======================================
| xx__-> [   11.966662][  T164] ------------[ cut here ]------------
| [   11.967025][  T164] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: fib_notificatio/164
| [   11.967516][  T164] Modules linked in: netdevsim
| [   11.968242][  T164] Tainted: [W]=WARN
[   11.968488][  T164] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.968757][  T164] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.969040][  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
[   11.969743][  T164] RSP: 0018:ffa00000008074f8 EFLAGS: 00010286
[   11.970017][  T164] RAX: 00000000ffffffa6 RBX: ff11000009209e40 RCX: 1ff4000000100e65
[   11.970333][  T164] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009209ef0
[   11.970634][  T164] RBP: ff110000091c2000 R08: 1fe22000012413df R09: ff11000013965248
[   11.970947][  T164] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   11.971253][  T164] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000091c2000
[   11.971588][  T164] FS:  00007fa9d187eb80(0000) GS:ff110000a0a85000(0000) knlGS:0000000000000000
[   11.971948][  T164] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.972213][  T164] CR2: 00007f69f6fe1808 CR3: 0000000012e9e002 CR4: 0000000000771ef0
[   11.972530][  T164] PKRU: 55555554
[   11.972708][  T164] Call Trace:
[   11.972922][  T164]  <TASK>
[   11.973062][  T164]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.973300][  T164]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.973547][  T164]  register_netdevice (net/core/dev.c:11488)
[   11.973780][  T164]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.974048][  T164]  ? __debugfs_create_file (fs/debugfs/inode.c:412 fs/debugfs/inode.c:452)
[   11.974283][  T164] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[   11.974571][  T164] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[   11.974804][  T164] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[   11.975080][  T164]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   11.975302][  T164]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[   11.975582][  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))
[   11.975821][  T164]  ? static_obj (kernel/locking/lockdep.c:858)
[   11.976059][  T164]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.976375][  T164]  ? nsim_dev_hwstats_init (./include/linux/workqueue.h:713 ./include/linux/workqueue.h:855 drivers/net/netdevsim/hwstats.c:439) netdevsim
[   11.976650][  T164] nsim_drv_probe (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1731) netdevsim
[   11.976902][  T164]  ? driver_sysfs_add (drivers/base/dd.c:495)
[   11.977128][  T164]  call_driver_probe (drivers/base/dd.c:629)
[   11.977386][  T164]  really_probe (drivers/base/dd.c:709)
[   11.977612][  T164]  ? driver_probe_device (drivers/base/dd.c:135)
[   11.977845][  T164]  __driver_probe_device (drivers/base/dd.c:871)
[   11.978074][  T164]  driver_probe_device (drivers/base/dd.c:901)
[   11.978297][  T164]  __device_attach_driver (drivers/base/dd.c:1029)
[   11.978537][  T164]  bus_for_each_drv (drivers/base/bus.c:500)
[   11.978763][  T164]  ? bus_find_device_reverse (drivers/base/bus.c:442)
[   11.978999][  T164]  __device_attach (drivers/base/dd.c:1101)
[   11.979220][  T164]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   11.979452][  T164]  ? __driver_attach_async_helper (drivers/base/dd.c:1172 (discriminator 1))
[   11.979714][  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)
[   11.979947][  T164]  ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:169 (discriminator 1) kernel/locking/spinlock.c:190 (discriminator 1))
[   11.980169][  T164]  device_initial_probe (drivers/base/dd.c:1156)
[   11.980404][  T164]  bus_probe_device (drivers/base/bus.c:613)
[   11.980629][  T164]  device_add (drivers/base/core.c:3706)
[   11.980858][  T164]  ? __fw_devlink_link_to_consumers.isra.0 (./include/linux/property.h:226 (discriminator 3))
[   11.981123][  T164]  ? __init_waitqueue_head (kernel/sched/wait.c:12)
[   11.981363][  T164]  ? pm_runtime_init (drivers/base/power/runtime.c:1859)
[   11.981588][  T164] new_device_store (drivers/net/netdevsim/bus.c:471 drivers/net/netdevsim/bus.c:191) netdevsim
[   11.981915][  T164]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.982184][  T164]  ? new_port_store (drivers/net/netdevsim/bus.c:99) netdevsim
[   11.982466][  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))
[   11.982691][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[   11.982926][  T164]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[   11.983148][  T164]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[   11.983388][  T164]  ? kernfs_ops (fs/kernfs/file.c:128)
[   11.983567][  T164]  new_sync_write (fs/read_write.c:595)
[   11.983811][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.984039][  T164]  ? new_sync_read (./include/linux/ioprio.h:41)
[   11.984334][  T164]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.984580][  T164]  ? ksys_write (fs/read_write.c:740)
[   11.984822][  T164]  vfs_write (fs/read_write.c:688)
[   11.985055][  T164]  ksys_write (fs/read_write.c:740)
[   11.985235][  T164]  ? __ia32_sys_read (fs/read_write.c:724)
[   11.985474][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.985694][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.985920][  T164]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.986141][  T164]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.986378][  T164]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.986631][  T164]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.986905][  T164] RIP: 0033:0x7fa9d18f008e
[   11.987134][  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
[   11.987803][  T164] RSP: 002b:00007ffe89e8ad10 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   11.988111][  T164] RAX: ffffffffffffffda RBX: 00007fa9d1a72580 RCX: 00007fa9d18f008e
[   11.988432][  T164] RDX: 0000000000000007 RSI: 000055ff8477b320 RDI: 0000000000000001
[   11.988735][  T164] RBP: 00007ffe89e8ad20 R08: 0000000000000000 R09: 0000000000000000
[   11.989040][  T164] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000007
[   11.989354][  T164] R13: 0000000000000007 R14: 000055ff8477b320 R15: 0000000000000000
| [   12.031627][  T178] ------------[ cut here ]------------
| [   12.031914][  T178] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/178
| [   12.032164][  T178] Modules linked in: netdevsim
| [   12.032855][  T178] Tainted: [W]=WARN
[   12.032964][  T178] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.033153][  T178] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.033402][  T178] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.033931][  T178] RSP: 0018:ffa0000000507aa8 EFLAGS: 00010286
[   12.034117][  T178] RAX: 00000000ffffffa6 RBX: ff110000130bb9c0 RCX: 1ff40000000a0f1b
[   12.034341][  T178] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000130bba70
[   12.034555][  T178] RBP: ff11000005cb1000 R08: 1fe220000261774f R09: ff11000004dd5180
[   12.034794][  T178] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   12.035002][  T178] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005cb1000
[   12.035217][  T178] FS:  00007f61da770840(0000) GS:ff110000a0b05000(0000) knlGS:0000000000000000
[   12.035486][  T178] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.035670][  T178] CR2: 0000000000479648 CR3: 000000000a908006 CR4: 0000000000771ef0
[   12.035892][  T178] PKRU: 55555554
[   12.035995][  T178] Call Trace:
[   12.036098][  T178]  <TASK>
[   12.036171][  T178]  ? ip6_route_dev_notify (net/ipv6/route.c:6484)
[   12.036319][  T178]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.036460][  T178]  ? notifier_call_chain (kernel/notifier.c:85)
[   12.036602][  T178]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.036708][  T178]  register_netdevice (net/core/dev.c:11488)
[   12.036851][  T178]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   12.037030][  T178]  register_netdev (net/core/dev.c:11552)
[   12.037172][  T178]  loopback_net_init (drivers/net/loopback.c:218)
[   12.037319][  T178]  ops_init (net/core/net_namespace.c:137)
[   12.037427][  T178]  setup_net (net/core/net_namespace.c:446)
[   12.037534][  T178]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   12.037670][  T178]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   12.037825][  T178]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   12.037970][  T178]  copy_net_ns (net/core/net_namespace.c:579)
[   12.038114][  T178]  create_new_namespaces (kernel/nsproxy.c:132)
[   12.038258][  T178]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   12.038404][  T178]  ksys_unshare (kernel/fork.c:3243)
[   12.038545][  T178]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   12.038692][  T178]  ? __ia32_sys_open (fs/open.c:1374)
[   12.038858][  T178]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   12.039000][  T178]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   12.039145][  T178]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.039284][  T178]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.039428][  T178]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.039569][  T178]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.039747][  T178] RIP: 0033:0x7f61daa32bcb
[   12.039901][  T178] 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
[   12.040402][  T178] RSP: 002b:00007ffcc86a8038 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   12.040612][  T178] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f61daa32bcb
[   12.040911][  T178] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   12.041224][  T178] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[   12.041547][  T178] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcc86aa260
[   12.041854][  T178] R13: 0000000000000001 R14: 00007f61da7706f8 R15: 00007ffcc86ab832
| [   12.083569][  T179] ------------[ cut here ]------------
| [   12.083848][  T179] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: devlink/179
| [   12.084160][  T179] Modules linked in: netdevsim
| [   12.085277][  T179] Tainted: [W]=WARN
[   12.085519][  T179] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.085715][  T179] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.085922][  T179] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.086527][  T179] RSP: 0018:ffa0000000727310 EFLAGS: 00010286
[   12.086722][  T179] RAX: 00000000ffffffa6 RBX: ff110000130ba640 RCX: 1ff40000000e4e28
[   12.086958][  T179] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000130ba6f0
[   12.087207][  T179] RBP: ff110000091c2000 R08: 1fe22000026174df R09: ff11000013a42ed0
[   12.087438][  T179] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   12.087664][  T179] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   12.087900][  T179] FS:  00007f1da1d2d840(0000) GS:ff110000a0b05000(0000) knlGS:0000000000000000
[   12.088174][  T179] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.088376][  T179] CR2: 00007f1da1f2ec20 CR3: 0000000009323002 CR4: 0000000000771ef0
[   12.088606][  T179] PKRU: 55555554
[   12.088721][  T179] Call Trace:
[   12.088841][  T179]  <TASK>
[   12.088922][  T179]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   12.089118][  T179]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   12.089314][  T179]  ? nsim_destroy (drivers/net/netdevsim/netdev.c:1188) netdevsim
[   12.089471][  T179]  ? netdev_run_todo (net/core/dev.c:11703)
[   12.089626][  T179]  ? 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)
[   12.089787][  T179]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[   12.089940][  T179]  ? rtnl_net_dev_lock (./include/linux/rtnetlink.h:130 net/core/dev.c:2162)
[   12.090092][  T179]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.090244][  T179]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   12.090408][  T179] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[   12.090566][  T179]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.090719][  T179] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[   12.090915][  T179] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[   12.091109][  T179] nsim_dev_reload_down (drivers/net/netdevsim/dev.c:1038) netdevsim
[   12.091300][  T179]  devlink_reload (net/devlink/dev.c:462)
[   12.091503][  T179]  ? devlink_notify_unregister (net/devlink/dev.c:308)
[   12.091657][  T179]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1196 fs/file.c:1210)
[   12.091778][  T179]  ? ns_capable (./include/linux/security.h:701 kernel/capability.c:342 kernel/capability.c:363)
[   12.091898][  T179]  devlink_nl_reload_doit (net/devlink/dev.c:585)
[   12.092051][  T179]  ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:112 net/devlink/devl_internal.h:118 net/devlink/netlink.c:235)
[   12.092239][  T179]  ? __nla_validate_parse (lib/nlattr.c:635)
[   12.092396][  T179]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   12.092548][  T179]  ? __nla_parse (lib/nlattr.c:732)
[   12.092705][  T179]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   12.092865][  T179]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   12.093058][  T179]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.093212][  T179]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   12.093375][  T179]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   12.093532][  T179]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   12.093689][  T179]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   12.093881][  T179]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.094073][  T179]  ? devlink_nl_pre_doit_port (net/devlink/netlink.c:262)
[   12.094229][  T179]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   12.094386][  T179]  ? devlink_nl_post_doit (net/devlink/netlink.c:307)
[   12.094538][  T179]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.094693][  T179]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   12.094852][  T179]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.095003][  T179]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   12.095155][  T179]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.095316][  T179]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.095468][  T179]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.095625][  T179]  genl_rcv (net/netlink/genetlink.c:1218)
[   12.095740][  T179]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.095962][  T179]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.096189][  T179]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.096440][  T179]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.096683][  T179]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.096940][  T179]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.097171][  T179]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.097390][  T179]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[   12.097550][  T179]  ? __ia32_sys_getpeername (net/socket.c:2219)
[   12.097710][  T179]  ? build_open_flags (fs/open.c:1212)
[   12.097917][  T179]  ? exc_page_fault (arch/x86/mm/fault.c:1474 arch/x86/mm/fault.c:1527)
[   12.098125][  T179]  ? __ia32_sys_open (fs/open.c:1374)
[   12.098354][  T179]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[   12.098512][  T179]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.098704][  T179]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   12.098861][  T179]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   12.099013][  T179]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.099169][  T179]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.099325][  T179]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.099479][  T179]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.099670][  T179] RIP: 0033:0x7f1da1f6708e
[   12.099841][  T179] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.100401][  T179] RSP: 002b:00007ffc4ede5700 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   12.100647][  T179] RAX: ffffffffffffffda RBX: 000000003b376980 RCX: 00007f1da1f6708e
[   12.100883][  T179] RDX: 0000000000000040 RSI: 000000003b376ba0 RDI: 0000000000000005
[   12.101115][  T179] RBP: 00007ffc4ede5710 R08: 00007f1da221b980 R09: 000000000000000c
[   12.101352][  T179] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000040cd80
[   12.101581][  T179] R13: 000000003b376980 R14: 0000000000000000 R15: 0000000000000001
| [   12.162280][  T179] ------------[ cut here ]------------
| [   12.162488][  T179] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: devlink/179
| [   12.162854][  T179] Modules linked in: netdevsim
| [   12.163356][  T179] Tainted: [W]=WARN
[   12.163478][  T179] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.163677][  T179] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.163888][  T179] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.164457][  T179] RSP: 0018:ffa0000000727268 EFLAGS: 00010286
[   12.164658][  T179] RAX: 00000000ffffffa6 RBX: ff110000090b6f40 RCX: 1ff40000000e4e13
[   12.164901][  T179] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000090b6ff0
[   12.165138][  T179] RBP: ff110000140da000 R08: 1fe2200001216dff R09: ff11000013a42ed0
[   12.165379][  T179] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   12.165613][  T179] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000140da000
[   12.165860][  T179] FS:  00007f1da1d2d840(0000) GS:ff110000a0b05000(0000) knlGS:0000000000000000
[   12.166139][  T179] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.166347][  T179] CR2: 000055a66f2e1000 CR3: 0000000009323002 CR4: 0000000000771ef0
[   12.166592][  T179] PKRU: 55555554
[   12.166713][  T179] Call Trace:
[   12.166838][  T179]  <TASK>
[   12.166921][  T179]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.167083][  T179]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.167211][  T179]  register_netdevice (net/core/dev.c:11488)
[   12.167378][  T179]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   12.167572][  T179]  ? __debugfs_create_file (fs/debugfs/inode.c:412 fs/debugfs/inode.c:452)
[   12.167735][  T179] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[   12.167945][  T179] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[   12.168107][  T179] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[   12.168310][  T179]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   12.168471][  T179]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[   12.168669][  T179]  ? 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))
[   12.168831][  T179]  ? static_obj (kernel/locking/lockdep.c:858)
[   12.168951][  T179]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.169117][  T179]  ? nsim_dev_hwstats_init (./include/linux/workqueue.h:713 ./include/linux/workqueue.h:855 drivers/net/netdevsim/hwstats.c:439) netdevsim
[   12.169325][  T179] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1622) netdevsim
[   12.169525][  T179]  ? devlink_reload_reinit_sanity_check (net/devlink/dev.c:437 (discriminator 1))
[   12.169724][  T179]  devlink_reload (net/devlink/dev.c:475)
[   12.169885][  T179]  ? devlink_notify_unregister (net/devlink/dev.c:308)
[   12.170043][  T179]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1196 fs/file.c:1210)
[   12.170167][  T179]  ? ns_capable (./include/linux/security.h:701 kernel/capability.c:342 kernel/capability.c:363)
[   12.170289][  T179]  devlink_nl_reload_doit (net/devlink/dev.c:585)
[   12.170454][  T179]  ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:112 net/devlink/devl_internal.h:118 net/devlink/netlink.c:235)
[   12.170650][  T179]  ? __nla_validate_parse (lib/nlattr.c:635)
[   12.170812][  T179]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   12.170971][  T179]  ? __nla_parse (lib/nlattr.c:732)
[   12.171132][  T179]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   12.171297][  T179]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   12.171503][  T179]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.171667][  T179]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   12.171829][  T179]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   12.171990][  T179]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   12.172149][  T179]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   12.172349][  T179]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.172547][  T179]  ? devlink_nl_pre_doit_port (net/devlink/netlink.c:262)
[   12.172705][  T179]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[   12.172867][  T179]  ? devlink_nl_post_doit (net/devlink/netlink.c:307)
[   12.173027][  T179]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.173191][  T179]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   12.173364][  T179]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.173524][  T179]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   12.173682][  T179]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.173851][  T179]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.174009][  T179]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.174170][  T179]  genl_rcv (net/netlink/genetlink.c:1218)
[   12.174290][  T179]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.174454][  T179]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.174611][  T179]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.174767][  T179]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.174928][  T179]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.175083][  T179]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.175243][  T179]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.175404][  T179]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[   12.175567][  T179]  ? __ia32_sys_getpeername (net/socket.c:2219)
[   12.175729][  T179]  ? build_open_flags (fs/open.c:1212)
[   12.175898][  T179]  ? exc_page_fault (arch/x86/mm/fault.c:1474 arch/x86/mm/fault.c:1527)
[   12.176057][  T179]  ? __ia32_sys_open (fs/open.c:1374)
[   12.176215][  T179]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[   12.176378][  T179]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.176572][  T179]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   12.176731][  T179]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   12.176892][  T179]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.177047][  T179]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.177203][  T179]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.177363][  T179]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.177558][  T179] RIP: 0033:0x7f1da1f6708e
[   12.177722][  T179] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.178282][  T179] RSP: 002b:00007ffc4ede5700 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   12.178521][  T179] RAX: ffffffffffffffda RBX: 000000003b376980 RCX: 00007f1da1f6708e
[   12.178754][  T179] RDX: 0000000000000040 RSI: 000000003b376ba0 RDI: 0000000000000005
[   12.178993][  T179] RBP: 00007ffc4ede5710 R08: 00007f1da221b980 R09: 000000000000000c
[   12.179230][  T179] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000040cd80
[   12.179469][  T179] R13: 000000003b376980 R14: 0000000000000000 R15: 0000000000000001
| [   12.225389][  T186] ------------[ cut here ]------------
| [   12.225622][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/186
| [   12.225932][  T186] Modules linked in: netdevsim
| [   12.226804][  T186] Tainted: [W]=WARN
[   12.226912][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.227087][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.227275][  T186] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.227849][  T186] RSP: 0018:ffa00000008371b0 EFLAGS: 00010286
[   12.228036][  T186] RAX: 00000000ffffffa6 RBX: ff110000090b6ac0 RCX: 1ff4000000106dfc
[   12.228255][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000090b6b70
[   12.228499][  T186] RBP: ff1100000760c000 R08: 1fe2200001216d6f R09: ff110000133e8ba8
[   12.228714][  T186] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   12.228942][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   12.229161][  T186] FS:  00007f11634d7840(0000) GS:ff110000a0b05000(0000) knlGS:0000000000000000
[   12.229424][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.229603][  T186] CR2: 00000000004a77b8 CR3: 000000001386a006 CR4: 0000000000771ef0
[   12.229824][  T186] PKRU: 55555554
[   12.229933][  T186] Call Trace:
[   12.230039][  T186]  <TASK>
[   12.230114][  T186]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.230259][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.230407][  T186]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   12.230549][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.230657][  T186]  ? 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)
[   12.230802][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[   12.230948][  T186]  ? netif_change_name (net/core/dev.c:1495)
[   12.231091][  T186]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   12.231268][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   12.231418][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   12.231559][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.231697][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.231841][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.231995][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.232144][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.232286][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.232428][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.232568][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.232705][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.232847][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.232991][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.233130][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.233267][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.233411][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.233553][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.233691][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.233838][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.233977][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.234119][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.234258][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.234402][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.234547][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.234694][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.234842][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.234982][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.235122][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.235262][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.235406][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.235546][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.235688][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.235838][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.235983][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.236156][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[   12.236295][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.236439][  T186]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   12.236581][  T186]  ___sys_sendmsg (net/socket.c:2752)
[   12.236718][  T186]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   12.236902][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.237079][  T186]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   12.237228][  T186]  ? 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))
[   12.237383][  T186]  __sys_sendmsg (net/socket.c:2784)
[   12.237537][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.237715][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.237938][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.238090][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.238297][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.238528][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.238742][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.239010][  T186] RIP: 0033:0x7f116371108e
[   12.239169][  T186] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.239694][  T186] RSP: 002b:00007ffffd921900 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.239922][  T186] RAX: ffffffffffffffda RBX: 00007ffffd9220b0 RCX: 00007f116371108e
[   12.240138][  T186] RDX: 0000000000000000 RSI: 00007ffffd9219b0 RDI: 0000000000000005
[   12.240358][  T186] RBP: 00007ffffd921910 R08: 0000000000000000 R09: 0000000000000000
[   12.240573][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c987
[   12.240785][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffffd922080
| [   12.293649][  T188] ------------[ cut here ]------------
| [   12.293913][  T188] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/188
| [   12.294163][  T188] Modules linked in: netdevsim
| [   12.294712][  T188] Tainted: [W]=WARN
[   12.294827][  T188] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.295005][  T188] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.295189][  T188] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.295732][  T188] RSP: 0018:ffa0000000637020 EFLAGS: 00010286
[   12.295945][  T188] RAX: 00000000ffffffa6 RBX: ff11000001e2f0c0 RCX: 1ff40000000c6dca
[   12.296154][  T188] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000001e2f170
[   12.296368][  T188] RBP: ff1100000760c000 R08: 1fe22000003c5e2f R09: ff1100000b61ae80
[   12.296577][  T188] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   12.296792][  T188] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   12.297012][  T188] FS:  00007f019d38b840(0000) GS:ff110000a0b05000(0000) knlGS:0000000000000000
[   12.297265][  T188] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.297445][  T188] CR2: 0000000013c24988 CR3: 0000000004ac9002 CR4: 0000000000771ef0
[   12.297672][  T188] PKRU: 55555554
[   12.297784][  T188] Call Trace:
[   12.297887][  T188]  <TASK>
[   12.297960][  T188]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[   12.298101][  T188]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.298244][  T188]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.298354][  T188]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.298498][  T188]  __dev_notify_flags (net/core/dev.c:9787)
[   12.298642][  T188]  ? netif_change_name (net/core/dev.c:1495)
[   12.298786][  T188]  ? __dev_change_flags (net/core/dev.c:9752)
[   12.298924][  T188]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   12.299061][  T188]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.299202][  T188]  ? 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))
[   12.299354][  T188]  netif_change_flags (net/core/dev.c:9820)
[   12.299495][  T188]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   12.299637][  T188]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   12.299783][  T188]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.299960][  T188]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.300098][  T188]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.300236][  T188]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.300379][  T188]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.300522][  T188]  ? __kernel_text_address (kernel/extable.c:79)
[   12.300665][  T188]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.300808][  T188]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.300949][  T188]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.301100][  T188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.301236][  T188]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.301378][  T188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.301516][  T188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.301657][  T188]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   12.301888][  T188]  ? __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)
[   12.302027][  T188]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   12.302224][  T188]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.302420][  T188]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   12.302620][  T188]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   12.302845][  T188]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.302997][  T188]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.303142][  T188]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.303283][  T188]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.303428][  T188]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.303571][  T188]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.303713][  T188]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.303873][  T188]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.304045][  T188]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.304186][  T188]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.304336][  T188]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.304475][  T188]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.304612][  T188]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.304749][  T188]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.304935][  T188]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.305076][  T188]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.305215][  T188]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.305476][  T188]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.305616][  T188]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.305755][  T188]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.305904][  T188]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.306042][  T188]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.306183][  T188]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.306391][  T188]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.306616][  T188]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.306766][  T188]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.306917][  T188]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.307056][  T188]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.307197][  T188]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.307523][  T188]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.307659][  T188]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.307833][  T188]  ? move_addr_to_kernel (net/socket.c:258)
[   12.307972][  T188]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.308108][  T188]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.308247][  T188]  ___sys_sendmsg (net/socket.c:2752)
[   12.308420][  T188]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   12.308657][  T188]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.308814][  T188]  __sys_sendmsg (net/socket.c:2784)
[   12.308955][  T188]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.309094][  T188]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   12.309268][  T188]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.309414][  T188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.309555][  T188]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.309693][  T188]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.309837][  T188]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.309981][  T188]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.310161][  T188] RIP: 0033:0x7f019d5c508e
[   12.310313][  T188] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.310823][  T188] RSP: 002b:00007ffc64854850 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.311077][  T188] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f019d5c508e
[   12.311395][  T188] RDX: 0000000000000000 RSI: 00007ffc64854900 RDI: 0000000000000005
[   12.311708][  T188] RBP: 00007ffc64854860 R08: 0000000000000000 R09: 0000000000000000
[   12.312030][  T188] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c987
[   12.312263][  T188] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc64854fd0
| [   25.854337][  T274] ------------[ cut here ]------------
| [   25.854690][  T274] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/274
| [   25.855190][  T274] Modules linked in: netdevsim
| [   25.856979][  T274] Tainted: [W]=WARN
[   25.857200][  T274] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.857536][  T274] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.857911][  T274] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   25.858796][  T274] RSP: 0018:ffa0000000a771b0 EFLAGS: 00010286
[   25.859138][  T274] RAX: 00000000ffffffa6 RBX: ff11000009153b40 RCX: 1ff400000014edfc
[   25.859551][  T274] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009153bf0
[   25.859964][  T274] RBP: ff11000009d2c000 R08: 1fe220000122a77f R09: ff1100001384d1a8
[   25.860372][  T274] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   25.860750][  T274] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   25.861153][  T274] FS:  00007f29f269f840(0000) GS:ff110000a0a85000(0000) knlGS:0000000000000000
[   25.861608][  T274] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.861947][  T274] CR2: 00000000004a77b8 CR3: 0000000014077001 CR4: 0000000000771ef0
[   25.862348][  T274] PKRU: 55555554
[   25.862570][  T274] Call Trace:
[   25.862788][  T274]  <TASK>
[   25.862990][  T274]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   25.863269][  T274]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   25.863579][  T274]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   25.863864][  T274]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   25.864123][  T274]  ? 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)
[   25.864430][  T274]  __dev_notify_flags (net/core/dev.c:9787)
[   25.864708][  T274]  ? netif_change_name (net/core/dev.c:1495)
[   25.864989][  T274]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   25.865337][  T274]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   25.865666][  T274]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   25.865956][  T274]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   25.866233][  T274]  ? __dev_get_by_name (net/core/dev.c:883)
[   25.866526][  T274]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   25.866830][  T274]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   25.867124][  T274]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   25.867420][  T274]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.867693][  T274]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.868002][  T274]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.868298][  T274]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   25.868592][  T274]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.868906][  T274]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.869210][  T274]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.869563][  T274]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   25.869851][  T274]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.870151][  T274]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.870451][  T274]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.870751][  T274]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.871054][  T274]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.871357][  T274]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   25.871641][  T274]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.871940][  T274]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   25.872229][  T274]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   25.872523][  T274]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   25.872800][  T274]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   25.873089][  T274]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   25.873381][  T274]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.873658][  T274]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   25.873961][  T274]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   25.874247][  T274]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   25.874543][  T274]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   25.874846][  T274]  ? copy_msghdr_from_user (net/socket.c:2635)
[   25.875129][  T274]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   25.875480][  T274]  ? move_addr_to_kernel (net/socket.c:258)
[   25.875763][  T274]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.876047][  T274]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   25.876347][  T274]  ___sys_sendmsg (net/socket.c:2752)
[   25.876648][  T274]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   25.876945][  T274]  ? copy_msghdr_from_user (net/socket.c:2603)
[   25.877245][  T274]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   25.877552][  T274]  ? 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))
[   25.877833][  T274]  __sys_sendmsg (net/socket.c:2784)
[   25.878144][  T274]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   25.878442][  T274]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.878712][  T274]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.878997][  T274]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   25.879274][  T274]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   25.879570][  T274]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   25.879849][  T274]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.880208][  T274] RIP: 0033:0x7f29f28d908e
[   25.880512][  T274] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   25.881373][  T274] RSP: 002b:00007ffc18f2c690 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   25.881778][  T274] RAX: ffffffffffffffda RBX: 00007ffc18f2ce40 RCX: 00007f29f28d908e
[   25.882174][  T274] RDX: 0000000000000000 RSI: 00007ffc18f2c740 RDI: 0000000000000005
[   25.882595][  T274] RBP: 00007ffc18f2c6a0 R08: 0000000000000000 R09: 0000000000000000
[   25.883008][  T274] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c995
[   25.883417][  T274] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc18f2ce10
| [   25.922651][  T275] ------------[ cut here ]------------
| [   25.922852][  T275] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/275
| [   25.923150][  T275] Modules linked in: netdevsim
| [   25.923922][  T275] Tainted: [W]=WARN
[   25.924071][  T275] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.924471][  T275] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.924748][  T275] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   25.925435][  T275] RSP: 0018:ffa0000000a87020 EFLAGS: 00010286
[   25.925634][  T275] RAX: 00000000ffffffa6 RBX: ff11000009153240 RCX: 1ff4000000150dca
[   25.925842][  T275] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000091532f0
[   25.926058][  T275] RBP: ff11000009d2c000 R08: 1fe220000122a65f R09: ff11000016805180
[   25.926271][  T275] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   25.926491][  T275] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   25.926702][  T275] FS:  00007f0b0958c840(0000) GS:ff110000a0b05000(0000) knlGS:0000000000000000
[   25.926952][  T275] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.927127][  T275] CR2: 000000000d1b0988 CR3: 0000000013a3f005 CR4: 0000000000771ef0
[   25.927346][  T275] PKRU: 55555554
[   25.927450][  T275] Call Trace:
[   25.927562][  T275]  <TASK>
[   25.927634][  T275]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   25.927776][  T275]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   25.927883][  T275]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   25.928029][  T275]  __dev_notify_flags (net/core/dev.c:9787)
[   25.928171][  T275]  ? netif_change_name (net/core/dev.c:1495)
[   25.928316][  T275]  ? __dev_change_flags (net/core/dev.c:9752)
[   25.928454][  T275]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   25.928593][  T275]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.928731][  T275]  ? 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))
[   25.928872][  T275]  netif_change_flags (net/core/dev.c:9820)
[   25.929023][  T275]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   25.929186][  T275]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   25.929335][  T275]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   25.929540][  T275]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   25.929677][  T275]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.929816][  T275]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   25.929961][  T275]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   25.930109][  T275]  ? __kernel_text_address (kernel/extable.c:79)
[   25.930259][  T275]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.930406][  T275]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.930544][  T275]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   25.930682][  T275]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.930819][  T275]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   25.930974][  T275]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.931114][  T275]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.931252][  T275]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   25.931398][  T275]  ? __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)
[   25.931583][  T275]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   25.931722][  T275]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   25.931862][  T275]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   25.932008][  T275]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   25.932152][  T275]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   25.932295][  T275]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.932441][  T275]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.932582][  T275]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.932720][  T275]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   25.932858][  T275]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.933027][  T275]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.933168][  T275]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.933313][  T275]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.933454][  T275]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.933601][  T275]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.933754][  T275]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   25.933901][  T275]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.934040][  T275]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.934180][  T275]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.934324][  T275]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.934462][  T275]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.934599][  T275]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   25.934738][  T275]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.934900][  T275]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   25.935050][  T275]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   25.935200][  T275]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   25.935344][  T275]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   25.935483][  T275]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   25.935621][  T275]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.935768][  T275]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   25.935918][  T275]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   25.936063][  T275]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   25.936212][  T275]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   25.936356][  T275]  ? copy_msghdr_from_user (net/socket.c:2635)
[   25.936493][  T275]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   25.936669][  T275]  ? move_addr_to_kernel (net/socket.c:258)
[   25.936817][  T275]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   25.936961][  T275]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.937101][  T275]  ___sys_sendmsg (net/socket.c:2752)
[   25.937240][  T275]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   25.937438][  T275]  ? copy_msghdr_from_user (net/socket.c:2603)
[   25.937590][  T275]  __sys_sendmsg (net/socket.c:2784)
[   25.937730][  T275]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   25.937867][  T275]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   25.938048][  T275]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   25.938186][  T275]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.938327][  T275]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   25.938464][  T275]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   25.938623][  T275]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   25.938762][  T275]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.938945][  T275] RIP: 0033:0x7f0b097c608e
[   25.939111][  T275] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   25.939627][  T275] RSP: 002b:00007ffdb008e740 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   25.939849][  T275] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f0b097c608e
[   25.940063][  T275] RDX: 0000000000000000 RSI: 00007ffdb008e7f0 RDI: 0000000000000005
[   25.940270][  T275] RBP: 00007ffdb008e750 R08: 0000000000000000 R09: 0000000000000000
[   25.940482][  T275] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c995
[   25.940691][  T275] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdb008eec0
| [   35.914631][  T320] ------------[ cut here ]------------
| [   35.914881][  T320] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/320
| [   35.915206][  T320] Modules linked in: netdevsim
| [   35.916639][  T320] Tainted: [W]=WARN
[   35.916790][  T320] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.917029][  T320] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   35.917277][  T320] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   35.918062][  T320] RSP: 0018:ffa0000000c77010 EFLAGS: 00010286
[   35.918380][  T320] RAX: 00000000ffffffa6 RBX: ff11000004a72f40 RCX: 1ff400000018edc8
[   35.918631][  T320] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004a72ff0
[   35.918914][  T320] RBP: ff11000009d2c000 R08: 1fe220000094e5ff R09: ff1100001304d180
[   35.919179][  T320] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   35.919447][  T320] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000000c77100
[   35.919702][  T320] FS:  00007f7879c59840(0000) GS:ff110000a0a85000(0000) knlGS:0000000000000000
[   35.920000][  T320] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.920222][  T320] CR2: 000000003a1da988 CR3: 00000000143d4002 CR4: 0000000000771ef0
[   35.920491][  T320] PKRU: 55555554
[   35.920643][  T320] Call Trace:
[   35.920794][  T320]  <TASK>
[   35.920912][  T320]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   35.921111][  T320]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   35.921264][  T320]  netif_close_many (net/core/dev.c:1804)
[   35.921469][  T320]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.921659][  T320]  ? __dev_close_many (net/core/dev.c:1781)
[   35.921850][  T320]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.922047][  T320]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   35.922236][  T320]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   35.922429][  T320]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   35.922649][  T320]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   35.922835][  T320]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   35.923066][  T320]  ? 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)
[   35.923253][  T320]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   35.923454][  T320]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   35.923674][  T320]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   35.923861][  T320]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   35.924054][  T320]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   35.924242][  T320]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.924441][  T320]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.924625][  T320]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   35.924806][  T320]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   35.924995][  T320]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.925201][  T320]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.925398][  T320]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.925589][  T320]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   35.925773][  T320]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.925957][  T320]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   35.926153][  T320]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   35.926354][  T320]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.926539][  T320]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.926722][  T320]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   35.926907][  T320]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.927124][  T320]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   35.927324][  T320]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   35.927509][  T320]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   35.927695][  T320]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   35.927879][  T320]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   35.928157][  T320]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.928361][  T320]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.928552][  T320]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   35.928736][  T320]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   35.928923][  T320]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   35.929127][  T320]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   35.929328][  T320]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   35.929522][  T320]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   35.929711][  T320]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   35.929895][  T320]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   35.930094][  T320]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   35.930281][  T320]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   35.930480][  T320]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   35.930668][  T320]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   35.930856][  T320]  ? copy_msghdr_from_user (net/socket.c:2635)
[   35.931047][  T320]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   35.931267][  T320]  ? move_addr_to_kernel (net/socket.c:258)
[   35.931467][  T320]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   35.931654][  T320]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   35.931841][  T320]  ___sys_sendmsg (net/socket.c:2752)
[   35.932037][  T320]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   35.932257][  T320]  ? copy_msghdr_from_user (net/socket.c:2603)
[   35.932466][  T320]  __sys_sendmsg (net/socket.c:2784)
[   35.932653][  T320]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   35.932863][  T320]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   35.933097][  T320]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   35.933286][  T320]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.933493][  T320]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   35.933680][  T320]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   35.933866][  T320]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   35.934065][  T320]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   35.934281][  T320] RIP: 0033:0x7f7879e9308e
[   35.934487][  T320] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   35.935020][  T320] RSP: 002b:00007fff2c02b8b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   35.935278][  T320] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f7879e9308e
[   35.935546][  T320] RDX: 0000000000000000 RSI: 00007fff2c02b960 RDI: 0000000000000005
[   35.935792][  T320] RBP: 00007fff2c02b8c0 R08: 0000000000000000 R09: 0000000000000000
[   35.936049][  T320] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c99f
[   35.936302][  T320] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff2c02c030
| [   35.946832][  T320] ------------[ cut here ]------------
| [   35.946994][  T320] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/320
| [   35.947227][  T320] Modules linked in: netdevsim
| [   35.947643][  T320] Tainted: [W]=WARN
[   35.947743][  T320] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.947908][  T320] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   35.948085][  T320] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   35.948552][  T320] RSP: 0018:ffa0000000c77190 EFLAGS: 00010286
[   35.948720][  T320] RAX: 00000000ffffffa6 RBX: ff110000090b70c0 RCX: 1ff400000018edf8
[   35.948919][  T320] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000090b7170
[   35.949119][  T320] RBP: ff11000009d2c000 R08: 1fe2200001216e2f R09: ff1100001304d158
[   35.949316][  T320] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   35.949515][  T320] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   35.949712][  T320] FS:  00007f7879c59840(0000) GS:ff110000a0a05000(0000) knlGS:0000000000000000
[   35.949942][  T320] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.950114][  T320] CR2: 000055ff84779a88 CR3: 00000000143d4005 CR4: 0000000000771ef0
[   35.950320][  T320] PKRU: 55555554
[   35.950421][  T320] Call Trace:
[   35.950522][  T320]  <TASK>
[   35.950590][  T320]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   35.950756][  T320]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   35.950916][  T320]  ? 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)
[   35.951049][  T320]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   35.951183][  T320]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   35.951354][  T320]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   35.951484][  T320]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   35.951611][  T320]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.951738][  T320]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.951866][  T320]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   35.952000][  T320]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   35.952127][  T320]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.952283][  T320]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.952420][  T320]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.952549][  T320]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   35.952678][  T320]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.952809][  T320]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   35.952945][  T320]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   35.953089][  T320]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.953226][  T320]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.953422][  T320]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   35.953560][  T320]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.953695][  T320]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   35.953824][  T320]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   35.953956][  T320]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   35.954112][  T320]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   35.954244][  T320]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   35.954503][  T320]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.954720][  T320]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.954853][  T320]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   35.954993][  T320]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   35.955125][  T320]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   35.955255][  T320]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   35.955457][  T320]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   35.955587][  T320]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   35.955714][  T320]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   35.955840][  T320]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   35.955979][  T320]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   35.956109][  T320]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   35.956237][  T320]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   35.956417][  T320]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   35.956545][  T320]  ? copy_msghdr_from_user (net/socket.c:2635)
[   35.956674][  T320]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   35.956837][  T320]  ? move_addr_to_kernel (net/socket.c:258)
[   35.956966][  T320]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   35.957102][  T320]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   35.957232][  T320]  ___sys_sendmsg (net/socket.c:2752)
[   35.957380][  T320]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   35.957543][  T320]  ? copy_msghdr_from_user (net/socket.c:2603)
[   35.957690][  T320]  __sys_sendmsg (net/socket.c:2784)
[   35.957829][  T320]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   35.957961][  T320]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   35.958142][  T320]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   35.958271][  T320]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.958413][  T320]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   35.958543][  T320]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   35.958677][  T320]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   35.958808][  T320]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   35.958973][  T320] RIP: 0033:0x7f7879e9308e
[   35.959116][  T320] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   35.959596][  T320] RSP: 002b:00007fff2c02b8b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   35.959794][  T320] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f7879e9308e
[   35.959990][  T320] RDX: 0000000000000000 RSI: 00007fff2c02b960 RDI: 0000000000000005
[   35.960190][  T320] RBP: 00007fff2c02b8c0 R08: 0000000000000000 R09: 0000000000000000
[   35.960392][  T320] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c99f
[   35.960593][  T320] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff2c02c030
| [   56.379394][  T462] ------------[ cut here ]------------
| [   56.379663][  T462] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/462
| [   56.379967][  T462] Modules linked in: netdevsim
| [   56.380726][  T462] Tainted: [W]=WARN
[   56.380885][  T462] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   56.381112][  T462] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   56.381510][  T462] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   56.382131][  T462] RSP: 0018:ffa00000012c71b0 EFLAGS: 00010286
[   56.382524][  T462] RAX: 00000000ffffffa6 RBX: ff11000009209540 RCX: 1ff4000000258dfc
[   56.382860][  T462] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000092095f0
[   56.383256][  T462] RBP: ff11000009d3c000 R08: 1fe22000012412bf R09: ff11000012d32ea8
[   56.383629][  T462] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   56.383884][  T462] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   56.384151][  T462] FS:  00007f762294d840(0000) GS:ff110000a0a85000(0000) knlGS:0000000000000000
[   56.384465][  T462] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   56.384688][  T462] CR2: 00000000004a77b8 CR3: 0000000009f09002 CR4: 0000000000771ef0
[   56.384953][  T462] PKRU: 55555554
[   56.385110][  T462] Call Trace:
[   56.385277][  T462]  <TASK>
[   56.385412][  T462]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   56.385603][  T462]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   56.385803][  T462]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   56.385996][  T462]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   56.386161][  T462]  ? 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)
[   56.386365][  T462]  __dev_notify_flags (net/core/dev.c:9787)
[   56.386557][  T462]  ? netif_change_name (net/core/dev.c:1495)
[   56.386751][  T462]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   56.386973][  T462]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   56.387192][  T462]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   56.387401][  T462]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   56.387592][  T462]  ? __dev_get_by_name (net/core/dev.c:883)
[   56.387785][  T462]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   56.387988][  T462]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   56.388195][  T462]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   56.388404][  T462]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   56.388599][  T462]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   56.388790][  T462]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   56.388981][  T462]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   56.389181][  T462]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   56.389393][  T462]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   56.389585][  T462]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   56.389774][  T462]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   56.389964][  T462]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   56.390164][  T462]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   56.390367][  T462]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   56.390559][  T462]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   56.390746][  T462]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   56.390936][  T462]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   56.391127][  T462]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   56.391347][  T462]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   56.391542][  T462]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   56.391735][  T462]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   56.391928][  T462]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   56.392119][  T462]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   56.392333][  T462]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   56.392526][  T462]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   56.392749][  T462]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   56.392938][  T462]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   56.393129][  T462]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   56.393342][  T462]  ? copy_msghdr_from_user (net/socket.c:2635)
[   56.393532][  T462]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   56.393757][  T462]  ? move_addr_to_kernel (net/socket.c:258)
[   56.393947][  T462]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   56.394151][  T462]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   56.394358][  T462]  ___sys_sendmsg (net/socket.c:2752)
[   56.394545][  T462]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   56.394733][  T462]  ? copy_msghdr_from_user (net/socket.c:2603)
[   56.394926][  T462]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   56.395120][  T462]  ? 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))
[   56.395336][  T462]  __sys_sendmsg (net/socket.c:2784)
[   56.395528][  T462]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   56.395721][  T462]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   56.395909][  T462]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   56.396099][  T462]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   56.396292][  T462]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   56.396494][  T462]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   56.396684][  T462]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   56.396906][  T462] RIP: 0033:0x7f7622b8708e
[   56.397105][  T462] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   56.397675][  T462] RSP: 002b:00007ffd4a66e8a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   56.397938][  T462] RAX: ffffffffffffffda RBX: 00007ffd4a66f050 RCX: 00007f7622b8708e
[   56.398214][  T462] RDX: 0000000000000000 RSI: 00007ffd4a66e950 RDI: 0000000000000005
[   56.398488][  T462] RBP: 00007ffd4a66e8b0 R08: 0000000000000000 R09: 0000000000000000
[   56.398748][  T462] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c9b3
[   56.399011][  T462] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd4a66f020
| [   56.441409][  T463] ------------[ cut here ]------------
| [   56.441594][  T463] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/463
| [   56.441839][  T463] Modules linked in: netdevsim
| [   56.442287][  T463] Tainted: [W]=WARN
[   56.442397][  T463] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   56.442570][  T463] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   56.442755][  T463] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   56.443302][  T463] RSP: 0018:ffa00000012e7020 EFLAGS: 00010286
[   56.443490][  T463] RAX: 00000000ffffffa6 RBX: ff110000130badc0 RCX: 1ff400000025cdca
[   56.443696][  T463] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000130bae70
[   56.443906][  T463] RBP: ff11000009d3c000 R08: 1fe22000026175cf R09: ff1100001336d180
[   56.444120][  T463] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   56.444344][  T463] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   56.444560][  T463] FS:  00007f9e01968840(0000) GS:ff110000a0b05000(0000) knlGS:0000000000000000
[   56.444805][  T463] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   56.444982][  T463] CR2: 000000003bfd3988 CR3: 000000000940c006 CR4: 0000000000771ef0
[   56.445210][  T463] PKRU: 55555554
[   56.445334][  T463] Call Trace:
[   56.445449][  T463]  <TASK>
[   56.445525][  T463]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[   56.445670][  T463]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   56.445815][  T463]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   56.445921][  T463]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   56.446059][  T463]  __dev_notify_flags (net/core/dev.c:9787)
[   56.446211][  T463]  ? netif_change_name (net/core/dev.c:1495)
[   56.446359][  T463]  ? __dev_change_flags (net/core/dev.c:9752)
[   56.446497][  T463]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   56.446644][  T463]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   56.446801][  T463]  ? 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))
[   56.446945][  T463]  netif_change_flags (net/core/dev.c:9820)
[   56.447086][  T463]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   56.447237][  T463]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   56.447461][  T463]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   56.447652][  T463]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   56.447800][  T463]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   56.447940][  T463]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   56.448079][  T463]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   56.448222][  T463]  ? __kernel_text_address (kernel/extable.c:79)
[   56.448452][  T463]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   56.448596][  T463]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   56.448742][  T463]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   56.448885][  T463]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   56.449022][  T463]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   56.449166][  T463]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   56.449409][  T463]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   56.449548][  T463]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   56.449784][  T463]  ? __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)
[   56.449926][  T463]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   56.450066][  T463]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   56.450218][  T463]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   56.450432][  T463]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   56.450576][  T463]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   56.450716][  T463]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   56.450853][  T463]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   56.450991][  T463]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   56.451125][  T463]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   56.451276][  T463]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   56.451436][  T463]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   56.451573][  T463]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   56.451713][  T463]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   56.451849][  T463]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   56.451987][  T463]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   56.452125][  T463]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   56.452268][  T463]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   56.452410][  T463]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   56.452552][  T463]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   56.452691][  T463]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   56.452829][  T463]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   56.452972][  T463]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   56.453115][  T463]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   56.453257][  T463]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   56.453419][  T463]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   56.453558][  T463]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   56.453697][  T463]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   56.453837][  T463]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   56.453975][  T463]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   56.454121][  T463]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   56.454290][  T463]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   56.454441][  T463]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   56.454590][  T463]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   56.454732][  T463]  ? copy_msghdr_from_user (net/socket.c:2635)
[   56.454871][  T463]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   56.455048][  T463]  ? move_addr_to_kernel (net/socket.c:258)
[   56.455191][  T463]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   56.455334][  T463]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   56.455473][  T463]  ___sys_sendmsg (net/socket.c:2752)
[   56.455609][  T463]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   56.455780][  T463]  ? copy_msghdr_from_user (net/socket.c:2603)
[   56.455930][  T463]  __sys_sendmsg (net/socket.c:2784)
[   56.456065][  T463]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   56.456207][  T463]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   56.456386][  T463]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   56.456523][  T463]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   56.456668][  T463]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   56.456810][  T463]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   56.456949][  T463]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   56.457086][  T463]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   56.457267][  T463] RIP: 0033:0x7f9e01ba208e
[   56.457420][  T463] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   56.457914][  T463] RSP: 002b:00007ffd477c6b80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   56.458131][  T463] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f9e01ba208e
[   56.458362][  T463] RDX: 0000000000000000 RSI: 00007ffd477c6c30 RDI: 0000000000000005
[   56.458598][  T463] RBP: 00007ffd477c6b90 R08: 0000000000000000 R09: 0000000000000000
[   56.458820][  T463] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c9b3
[   56.459031][  T463] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd477c7300
| [   66.376140][  T508] ------------[ cut here ]------------
| [   66.376356][  T508] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/508
| [   66.376604][  T508] Modules linked in: netdevsim
| [   66.377034][  T508] Tainted: [W]=WARN
[   66.377138][  T508] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   66.377322][  T508] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   66.377504][  T508] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   66.377990][  T508] RSP: 0018:ffa00000014c7010 EFLAGS: 00010286
[   66.378166][  T508] RAX: 00000000ffffffa6 RBX: ff11000009208340 RCX: 1ff4000000298dc8
[   66.378387][  T508] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000092083f0
[   66.378596][  T508] RBP: ff11000009d3c000 R08: 1fe220000124107f R09: ff11000004dd2e80
[   66.378800][  T508] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   66.379007][  T508] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000014c7100
[   66.379218][  T508] FS:  00007ff0051da840(0000) GS:ff110000a0985000(0000) knlGS:0000000000000000
[   66.379474][  T508] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   66.379649][  T508] CR2: 0000000007178988 CR3: 000000000a83f002 CR4: 0000000000771ef0
[   66.379854][  T508] PKRU: 55555554
[   66.379956][  T508] Call Trace:
[   66.380058][  T508]  <TASK>
[   66.380132][  T508]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   66.380279][  T508]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   66.380389][  T508]  netif_close_many (net/core/dev.c:1804)
[   66.380526][  T508]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   66.380663][  T508]  ? __dev_close_many (net/core/dev.c:1781)
[   66.380799][  T508]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   66.380938][  T508]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   66.381078][  T508]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   66.381215][  T508]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   66.381406][  T508]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   66.381542][  T508]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   66.381709][  T508]  ? 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)
[   66.381844][  T508]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   66.381979][  T508]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   66.382149][  T508]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   66.382293][  T508]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   66.382771][  T508]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   66.382913][  T508]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   66.383051][  T508]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   66.383189][  T508]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   66.383337][  T508]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   66.383475][  T508]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   66.383633][  T508]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   66.383766][  T508]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   66.383904][  T508]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   66.384040][  T508]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   66.384175][  T508]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   66.384321][  T508]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   66.384461][  T508]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   66.384598][  T508]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   66.384735][  T508]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   66.384870][  T508]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   66.385009][  T508]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   66.385150][  T508]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   66.385296][  T508]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   66.385492][  T508]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   66.385698][  T508]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   66.385904][  T508]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   66.386066][  T508]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   66.386205][  T508]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   66.386357][  T508]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   66.386498][  T508]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   66.386637][  T508]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   66.386774][  T508]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   66.386914][  T508]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   66.387053][  T508]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   66.387190][  T508]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   66.387340][  T508]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   66.387478][  T508]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   66.387614][  T508]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   66.387752][  T508]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   66.387889][  T508]  ? copy_msghdr_from_user (net/socket.c:2635)
[   66.388023][  T508]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   66.388192][  T508]  ? move_addr_to_kernel (net/socket.c:258)
[   66.388342][  T508]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   66.388481][  T508]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   66.388622][  T508]  ___sys_sendmsg (net/socket.c:2752)
[   66.388759][  T508]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   66.388931][  T508]  ? copy_msghdr_from_user (net/socket.c:2603)
[   66.389079][  T508]  __sys_sendmsg (net/socket.c:2784)
[   66.389216][  T508]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   66.389361][  T508]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   66.389564][  T508]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   66.389702][  T508]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   66.389838][  T508]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   66.389975][  T508]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   66.390111][  T508]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   66.390252][  T508]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   66.390429][  T508] RIP: 0033:0x7ff00541408e
[   66.390577][  T508] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   66.391064][  T508] RSP: 002b:00007fffa0c04b10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   66.391280][  T508] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007ff00541408e
[   66.391498][  T508] RDX: 0000000000000000 RSI: 00007fffa0c04bc0 RDI: 0000000000000005
[   66.391713][  T508] RBP: 00007fffa0c04b20 R08: 0000000000000000 R09: 0000000000000000
[   66.391917][  T508] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c9bd
[   66.392128][  T508] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffa0c05290
| [   66.402271][  T508] ------------[ cut here ]------------
| [   66.402482][  T508] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/508
| [   66.402733][  T508] Modules linked in: netdevsim
| [   66.403139][  T508] Tainted: [W]=WARN
[   66.403247][  T508] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   66.403909][  T508] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   66.404087][  T508] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   66.404557][  T508] RSP: 0018:ffa00000014c7190 EFLAGS: 00010286
[   66.404724][  T508] RAX: 00000000ffffffa6 RBX: ff110000130ba7c0 RCX: 1ff4000000298df8
[   66.404917][  T508] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000130ba870
[   66.405195][  T508] RBP: ff11000009d3c000 R08: 1fe220000261750f R09: ff11000004dd2e58
[   66.405506][  T508] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   66.405820][  T508] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   66.406059][  T508] FS:  00007ff0051da840(0000) GS:ff110000a0985000(0000) knlGS:0000000000000000
[   66.406304][  T508] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   66.406485][  T508] CR2: 0000000007178988 CR3: 000000000a83f002 CR4: 0000000000771ef0
[   66.406746][  T508] PKRU: 55555554
[   66.406875][  T508] Call Trace:
[   66.406974][  T508]  <TASK>
[   66.407042][  T508]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   66.407215][  T508]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   66.407390][  T508]  ? 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)
[   66.407522][  T508]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   66.407651][  T508]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   66.407816][  T508]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   66.407952][  T508]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   66.408081][  T508]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   66.408213][  T508]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   66.408368][  T508]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   66.408498][  T508]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   66.408624][  T508]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   66.408772][  T508]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   66.408901][  T508]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   66.409031][  T508]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   66.409161][  T508]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   66.409297][  T508]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   66.409430][  T508]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   66.409563][  T508]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   66.409689][  T508]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   66.409818][  T508]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   66.409946][  T508]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   66.410076][  T508]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   66.410208][  T508]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   66.410349][  T508]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   66.410478][  T508]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   66.410608][  T508]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   66.410740][  T508]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   66.410869][  T508]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   66.410998][  T508]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   66.411126][  T508]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   66.411266][  T508]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   66.411403][  T508]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   66.411532][  T508]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   66.411663][  T508]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   66.411791][  T508]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   66.411920][  T508]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   66.412050][  T508]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   66.412181][  T508]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   66.412376][  T508]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   66.412570][  T508]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   66.412762][  T508]  ? copy_msghdr_from_user (net/socket.c:2635)
[   66.412913][  T508]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   66.413071][  T508]  ? move_addr_to_kernel (net/socket.c:258)
[   66.413203][  T508]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   66.413350][  T508]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   66.413486][  T508]  ___sys_sendmsg (net/socket.c:2752)
[   66.413613][  T508]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   66.413775][  T508]  ? copy_msghdr_from_user (net/socket.c:2603)
[   66.413916][  T508]  __sys_sendmsg (net/socket.c:2784)
[   66.414045][  T508]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   66.414174][  T508]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   66.414348][  T508]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   66.414567][  T508]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   66.414702][  T508]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   66.414830][  T508]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   66.414958][  T508]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   66.415168][  T508]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   66.415411][  T508] RIP: 0033:0x7ff00541408e
[   66.415570][  T508] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   66.416119][  T508] RSP: 002b:00007fffa0c04b10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   66.416415][  T508] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007ff00541408e
[   66.416606][  T508] RDX: 0000000000000000 RSI: 00007fffa0c04bc0 RDI: 0000000000000005
[   66.416803][  T508] RBP: 00007fffa0c04b20 R08: 0000000000000000 R09: 0000000000000000
[   66.417079][  T508] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c9bd
[   66.417280][  T508] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffa0c05290
| [   73.391399][  T568] ------------[ cut here ]------------
| [   73.391681][  T568] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/568
| [   73.392099][  T568] Modules linked in: netdevsim
| [   73.392859][  T568] Tainted: [W]=WARN
[   73.393065][  T568] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   73.393402][  T568] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   73.393727][  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
[   73.394520][  T568] RSP: 0018:ffa0000001717010 EFLAGS: 00010286
[   73.394835][  T568] RAX: 00000000ffffffa6 RBX: ff110000091527c0 RCX: 1ff40000002e2dc8
[   73.395194][  T568] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009152870
[   73.395576][  T568] RBP: ff1100000760c000 R08: 1fe220000122a50f R09: ff11000004d45180
[   73.395927][  T568] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   73.396288][  T568] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000001717100
[   73.396668][  T568] FS:  00007fbe3e34e840(0000) GS:ff110000a0a85000(0000) knlGS:0000000000000000
[   73.397100][  T568] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   73.397438][  T568] CR2: 0000000013c1c988 CR3: 0000000005fce003 CR4: 0000000000771ef0
[   73.397816][  T568] PKRU: 55555554
[   73.398016][  T568] Call Trace:
[   73.398225][  T568]  <TASK>
[   73.398408][  T568]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   73.398663][  T568]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   73.398866][  T568]  netif_close_many (net/core/dev.c:1804)
[   73.399140][  T568]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.399417][  T568]  ? __dev_close_many (net/core/dev.c:1781)
[   73.399671][  T568]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   73.399922][  T568]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   73.400186][  T568]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   73.400468][  T568]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   73.400773][  T568]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   73.401027][  T568]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   73.401349][  T568]  ? 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)
[   73.401610][  T568]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   73.401864][  T568]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   73.402171][  T568]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   73.402454][  T568]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   73.402738][  T568]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   73.402995][  T568]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.403264][  T568]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   73.403559][  T568]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   73.403814][  T568]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   73.404077][  T568]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   73.404396][  T568]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.404651][  T568]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   73.404908][  T568]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   73.405168][  T568]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   73.405448][  T568]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   73.405701][  T568]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   73.405963][  T568]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.406222][  T568]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   73.406528][  T568]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   73.406789][  T568]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   73.407047][  T568]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   73.407336][  T568]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   73.407598][  T568]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   73.407856][  T568]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   73.408119][  T568]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   73.408402][  T568]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.408655][  T568]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   73.408908][  T568]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   73.409159][  T568]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   73.409435][  T568]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   73.409698][  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))
[   73.409953][  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))
[   73.410213][  T568]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   73.410495][  T568]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   73.410752][  T568]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   73.411006][  T568]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   73.411268][  T568]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   73.411546][  T568]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   73.411818][  T568]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   73.412084][  T568]  ? copy_msghdr_from_user (net/socket.c:2635)
[   73.412373][  T568]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   73.412686][  T568]  ? move_addr_to_kernel (net/socket.c:258)
[   73.412958][  T568]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   73.413235][  T568]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   73.413548][  T568]  ___sys_sendmsg (net/socket.c:2752)
[   73.413806][  T568]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   73.414115][  T568]  ? copy_msghdr_from_user (net/socket.c:2603)
[   73.414437][  T568]  __sys_sendmsg (net/socket.c:2784)
[   73.414703][  T568]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   73.414959][  T568]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   73.415272][  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)
[   73.415556][  T568]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   73.415827][  T568]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   73.416110][  T568]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   73.416393][  T568]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   73.416677][  T568]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   73.417006][  T568] RIP: 0033:0x7fbe3e58808e
[   73.417285][  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
[   73.418081][  T568] RSP: 002b:00007ffe177b1360 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   73.418485][  T568] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fbe3e58808e
[   73.418846][  T568] RDX: 0000000000000000 RSI: 00007ffe177b1410 RDI: 0000000000000005
[   73.419195][  T568] RBP: 00007ffe177b1370 R08: 0000000000000000 R09: 0000000000000000
[   73.419571][  T568] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c9c4
[   73.419926][  T568] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe177b1ae0
| [   73.427247][  T568] ------------[ cut here ]------------
| [   73.427524][  T568] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/568
| [   73.427911][  T568] Modules linked in: netdevsim
| [   73.428644][  T568] Tainted: [W]=WARN
[   73.428843][  T568] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   73.429134][  T568] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   73.429490][  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
[   73.430391][  T568] RSP: 0018:ffa0000001717190 EFLAGS: 00010286
[   73.430833][  T568] RAX: 00000000ffffffa6 RBX: ff1100001411e7c0 RCX: 1ff40000002e2df8
[   73.431167][  T568] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100001411e870
[   73.431536][  T568] RBP: ff1100000760c000 R08: 1fe2200002823d0f R09: ff11000004d45158
[   73.432025][  T568] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   73.432373][  T568] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   73.432714][  T568] FS:  00007fbe3e34e840(0000) GS:ff110000a0a85000(0000) knlGS:0000000000000000
[   73.433241][  T568] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   73.433560][  T568] CR2: 0000000013c1c988 CR3: 0000000005fce003 CR4: 0000000000771ef0
[   73.434043][  T568] PKRU: 55555554
[   73.434238][  T568] Call Trace:
[   73.434461][  T568]  <TASK>
[   73.434610][  T568]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   73.434915][  T568]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   73.435366][  T568]  ? 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)
[   73.435609][  T568]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   73.435849][  T568]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   73.436144][  T568]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   73.436589][  T568]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   73.436839][  T568]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.437075][  T568]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   73.437342][  T568]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   73.437591][  T568]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   73.437826][  T568]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   73.438112][  T568]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.438377][  T568]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   73.438619][  T568]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   73.438865][  T568]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   73.439114][  T568]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   73.439540][  T568]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   73.439797][  T568]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.440056][  T568]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   73.440329][  T568]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   73.440568][  T568]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   73.440948][  T568]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   73.441190][  T568]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   73.441466][  T568]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   73.441708][  T568]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   73.442083][  T568]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   73.442356][  T568]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.442596][  T568]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   73.442841][  T568]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   73.443223][  T568]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   73.443495][  T568]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   73.443741][  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))
[   73.443979][  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))
[   73.444402][  T568]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   73.444646][  T568]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   73.444886][  T568]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   73.445129][  T568]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   73.445532][  T568]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   73.445772][  T568]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   73.446014][  T568]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   73.446263][  T568]  ? copy_msghdr_from_user (net/socket.c:2635)
[   73.446545][  T568]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   73.446833][  T568]  ? move_addr_to_kernel (net/socket.c:258)
[   73.447074][  T568]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   73.447475][  T568]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   73.447722][  T568]  ___sys_sendmsg (net/socket.c:2752)
[   73.447958][  T568]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   73.448248][  T568]  ? copy_msghdr_from_user (net/socket.c:2603)
[   73.448689][  T568]  __sys_sendmsg (net/socket.c:2784)
[   73.448940][  T568]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   73.449183][  T568]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   73.449536][  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)
[   73.449912][  T568]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   73.450158][  T568]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   73.450428][  T568]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   73.450676][  T568]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   73.451071][  T568]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   73.451387][  T568] RIP: 0033:0x7fbe3e58808e
[   73.451641][  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
[   73.452535][  T568] RSP: 002b:00007ffe177b1360 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   73.452883][  T568] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fbe3e58808e
[   73.453386][  T568] RDX: 0000000000000000 RSI: 00007ffe177b1410 RDI: 0000000000000005
[   73.453716][  T568] RBP: 00007ffe177b1370 R08: 0000000000000000 R09: 0000000000000000
[   73.454183][  T568] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c9c4
[   73.454553][  T568] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe177b1ae0
| [   73.529825][   T12] ------------[ cut here ]------------
| [   73.530125][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   73.530600][   T12] Modules linked in: netdevsim
| [   73.531155][   T12] Tainted: [W]=WARN
[   73.531286][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   73.531476][   T12] Workqueue: netns cleanup_net
[   73.531639][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   73.531830][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   73.532361][   T12] RSP: 0018:ffa00000000c7610 EFLAGS: 00010286
[   73.532686][   T12] RAX: 00000000ffffffa6 RBX: ff1100001411e340 RCX: 1ff4000000018e88
[   73.532961][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100001411e3f0
[   73.533204][   T12] RBP: ff110000140da000 R08: 1fe2200002823c7f R09: ff11000001b05220
[   73.533487][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   73.533758][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   73.533964][   T12] FS:  0000000000000000(0000) GS:ff110000a0a05000(0000) knlGS:0000000000000000
[   73.534292][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   73.534508][   T12] CR2: 000055ff84692c68 CR3: 0000000013a97001 CR4: 0000000000771ef0
[   73.534744][   T12] PKRU: 55555554
[   73.534859][   T12] Call Trace:
[   73.534973][   T12]  <TASK>
[   73.535052][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   73.535250][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   73.535453][   T12]  ? nsim_destroy (drivers/net/netdevsim/netdev.c:1188) netdevsim
[   73.535612][   T12]  ? netdev_run_todo (net/core/dev.c:11703)
[   73.535766][   T12]  ? 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)
[   73.535935][   T12]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[   73.536133][   T12]  ? rtnl_net_dev_lock (./include/linux/rtnetlink.h:130 net/core/dev.c:2162)
[   73.536294][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   73.536434][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   73.536569][   T12] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[   73.536724][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   73.536877][   T12] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[   73.537119][   T12] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[   73.537334][   T12] nsim_dev_reload_down (drivers/net/netdevsim/dev.c:1038) netdevsim
[   73.537501][   T12]  devlink_reload (net/devlink/dev.c:462)
[   73.537635][   T12]  ? xas_find_conflict (lib/xarray.c:207 lib/xarray.c:1568)
[   73.537768][   T12]  ? devlink_notify_unregister (net/devlink/dev.c:308)
[   73.537904][   T12]  ? __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))
[   73.538057][   T12]  devlink_pernet_pre_exit (net/devlink/core.c:558)
[   73.538219][   T12]  ? devlink_free (./include/linux/list.h:404 (discriminator 3))
[   73.538386][   T12]  ops_undo_list (net/core/net_namespace.c:161 net/core/net_namespace.c:234)
[   73.538537][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   73.538689][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   73.538845][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   73.538996][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   73.539170][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   73.539382][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   73.539560][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   73.539698][   T12]  process_one_work (kernel/workqueue.c:3314)
[   73.539839][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   73.539974][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.540113][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   73.540254][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   73.540416][   T12]  kthread (kernel/kthread.c:436)
[   73.540520][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   73.540692][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   73.540832][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   73.540995][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   73.541190][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   73.541362][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   73.541539][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   73.619135][   T12] ------------[ cut here ]------------
| [   73.619518][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   73.620040][   T12] Modules linked in: netdevsim
| [   73.620997][   T12] Tainted: [W]=WARN
[   73.621228][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   73.621600][   T12] Workqueue: netns cleanup_net
[   73.621906][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   73.622266][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   73.623156][   T12] RSP: 0018:ffa00000000c7568 EFLAGS: 00010286
[   73.623525][   T12] RAX: 00000000ffffffa6 RBX: ff110000092099c0 RCX: 1ff4000000018e73
[   73.623919][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009209a70
[   73.624340][   T12] RBP: ff11000002162000 R08: 1fe220000124134f R09: ff11000001b05220
[   73.624725][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   73.625501][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000002162000
[   73.625898][   T12] FS:  0000000000000000(0000) GS:ff110000a0a85000(0000) knlGS:0000000000000000
[   73.626547][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   73.626885][   T12] CR2: 00007fbe3e41b574 CR3: 000000000f739001 CR4: 0000000000771ef0
[   73.627290][   T12] PKRU: 55555554
[   73.627702][   T12] Call Trace:
[   73.627925][   T12]  <TASK>
[   73.628105][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   73.628418][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   73.628646][   T12]  register_netdevice (net/core/dev.c:11488)
[   73.628928][   T12]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   73.629262][   T12]  ? __debugfs_create_file (fs/debugfs/inode.c:412 fs/debugfs/inode.c:452)
[   73.629577][   T12] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[   73.629920][   T12] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[   73.630216][   T12] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[   73.630604][   T12]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   73.630891][   T12]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[   73.631438][   T12]  ? 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))
[   73.631726][   T12]  ? static_obj (kernel/locking/lockdep.c:858)
[   73.632296][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   73.632610][   T12]  ? nsim_dev_hwstats_init (./include/linux/workqueue.h:713 ./include/linux/workqueue.h:855 drivers/net/netdevsim/hwstats.c:439) netdevsim
[   73.633127][   T12] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1622) netdevsim
[   73.633493][   T12]  ? devlink_reload_reinit_sanity_check (net/devlink/dev.c:437 (discriminator 1))
[   73.633993][   T12]  devlink_reload (net/devlink/dev.c:475)
[   73.634278][   T12]  ? xas_find_conflict (lib/xarray.c:207 lib/xarray.c:1568)
[   73.634763][   T12]  ? devlink_notify_unregister (net/devlink/dev.c:308)
[   73.635044][   T12]  ? __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))
[   73.635361][   T12]  devlink_pernet_pre_exit (net/devlink/core.c:558)
[   73.635647][   T12]  ? devlink_free (./include/linux/list.h:404 (discriminator 3))
[   73.635931][   T12]  ops_undo_list (net/core/net_namespace.c:161 net/core/net_namespace.c:234)
[   73.636187][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   73.636468][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   73.636761][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   73.637048][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   73.637362][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   73.637807][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   73.638088][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   73.638411][   T12]  process_one_work (kernel/workqueue.c:3314)
[   73.638700][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   73.638980][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.639276][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   73.639614][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   73.639907][   T12]  kthread (kernel/kthread.c:436)
[   73.640141][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   73.640671][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   73.640958][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   73.641248][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   73.641614][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   73.641896][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   73.642181][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   73.660296][  T164] ------------[ cut here ]------------
| [   73.660739][  T164] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: fib_notificatio/164
| [   73.661263][  T164] Modules linked in: netdevsim
| [   73.662264][  T164] Tainted: [W]=WARN
[   73.662537][  T164] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   73.662921][  T164] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   73.663258][  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
[   73.664172][  T164] RSP: 0018:ffa0000000807728 EFLAGS: 00010286
[   73.664516][  T164] RAX: 00000000ffffffa6 RBX: ff110000092090c0 RCX: 1ff4000000100eab
[   73.664898][  T164] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009209170
[   73.665270][  T164] RBP: ff11000002162000 R08: 1fe220000124122f R09: ff11000013965248
[   73.665665][  T164] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   73.666040][  T164] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   73.666432][  T164] FS:  00007fa9d187eb80(0000) GS:ff110000a0b05000(0000) knlGS:0000000000000000
[   73.666881][  T164] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   73.667201][  T164] CR2: 0000556b7b43d018 CR3: 0000000012e9e006 CR4: 0000000000771ef0
[   73.667579][  T164] PKRU: 55555554
[   73.667761][  T164] Call Trace:
[   73.667950][  T164]  <TASK>
[   73.668079][  T164]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   73.668417][  T164]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   73.668719][  T164]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[   73.668962][  T164]  ? netdev_run_todo (net/core/dev.c:11703)
[   73.669203][  T164]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   73.669459][  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)
[   73.669708][  T164]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[   73.669954][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   73.670198][  T164]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   73.670464][  T164] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[   73.670718][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   73.670967][  T164] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[   73.671273][  T164] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[   73.671600][  T164] nsim_drv_remove (drivers/net/netdevsim/dev.c:1800) netdevsim
[   73.671847][  T164]  device_release_driver_internal (drivers/base/dd.c:1352 drivers/base/dd.c:1375)
[   73.672153][  T164]  bus_remove_device (drivers/base/bus.c:657)
[   73.672406][  T164]  ? bus_probe_device (drivers/base/bus.c:616 (discriminator 1))
[   73.672649][  T164]  ? device_remove_file (drivers/base/core.c:3073)
[   73.672897][  T164]  device_del (drivers/base/core.c:3895)
[   73.673085][  T164]  ? __device_link_del (./include/linux/kobject.h:89)
[   73.673351][  T164]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[   73.673596][  T164]  device_unregister (drivers/base/core.c:3936)
[   73.673834][  T164] del_device_store (drivers/net/netdevsim/bus.c:491 drivers/net/netdevsim/bus.c:244) netdevsim
[   73.674148][  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))
[   73.674407][  T164]  ? nsim_bus_dev_numvfs_show (drivers/net/netdevsim/bus.c:57) netdevsim
[   73.674712][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[   73.674953][  T164]  ? sysfs_kf_write (fs/sysfs/file.c:137)
[   73.675192][  T164]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[   73.675448][  T164]  ? kernfs_ops (fs/kernfs/file.c:128)
[   73.675633][  T164]  new_sync_write (fs/read_write.c:595)
[   73.675884][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   73.676129][  T164]  ? new_sync_read (./include/linux/ioprio.h:41)
[   73.676389][  T164]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.676628][  T164]  ? ksys_write (fs/read_write.c:740)
[   73.676882][  T164]  vfs_write (fs/read_write.c:688)
[   73.677063][  T164]  ksys_write (fs/read_write.c:740)
[   73.677251][  T164]  ? __ia32_sys_read (fs/read_write.c:724)
[   73.677507][  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)
[   73.677754][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   73.678001][  T164]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   73.678245][  T164]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   73.678505][  T164]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   73.678750][  T164]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   73.679055][  T164] RIP: 0033:0x7fa9d18f008e
[   73.679326][  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
[   73.680194][  T164] RSP: 002b:00007ffe89e8b2a0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   73.680577][  T164] RAX: ffffffffffffffda RBX: 00007fa9d1a72580 RCX: 00007fa9d18f008e
[   73.680938][  T164] RDX: 0000000000000005 RSI: 000055ff8477b320 RDI: 0000000000000001
[   73.681299][  T164] RBP: 00007ffe89e8b2b0 R08: 0000000000000000 R09: 0000000000000000
[   73.681674][  T164] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000005
[   73.682040][  T164] R13: 0000000000000005 R14: 000055ff8477b320 R15: 0000000000000000
| [   73.692368][   T12] ------------[ cut here ]------------
| [   73.692663][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   73.693129][   T12] Modules linked in: netdevsim
| [   73.695018][   T12] Tainted: [W]=WARN
[   73.695168][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   73.695588][   T12] Workqueue: netns cleanup_net
[   73.695785][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   73.696027][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   73.696875][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   73.697107][   T12] RAX: 00000000ffffffa6 RBX: ff110000092081c0 RCX: 1ff4000000018ed5
[   73.697474][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009208270
[   73.697845][   T12] RBP: ff11000005cb1000 R08: 1fe220000124104f R09: ff11000001b051d0
[   73.698117][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   73.698408][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   73.698690][   T12] FS:  0000000000000000(0000) GS:ff110000a0b05000(0000) knlGS:0000000000000000
[   73.699024][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   73.699257][   T12] CR2: 0000556b7b43d018 CR3: 0000000012e9e006 CR4: 0000000000771ef0
[   73.699546][   T12] PKRU: 55555554
[   73.699685][   T12] Call Trace:
[   73.699825][   T12]  <TASK>
[   73.699925][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   73.700163][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   73.700703][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   73.700895][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   73.701077][   T12]  ? generic_xdp_install (./include/linux/netdevice.h:5659)
[   73.701254][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   73.701550][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   73.701732][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   73.701913][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   73.702101][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   73.702289][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   73.702626][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   73.702817][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   73.703003][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   73.703187][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   73.703382][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   73.703567][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   73.703753][   T12]  process_one_work (kernel/workqueue.c:3314)
[   73.703943][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   73.704125][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.704327][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   73.704526][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   73.704712][   T12]  kthread (kernel/kthread.c:436)
[   73.704853][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   73.705097][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   73.705278][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   73.705488][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   73.705721][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   73.705905][   T12]  ? 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