======================================
| xx__-> [    9.022050][  T182] ------------[ cut here ]------------
| [    9.022303][  T182] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/182
| [    9.022584][  T182] Modules linked in:
| [    9.022996][  T182] Tainted: [W]=WARN
[    9.023100][  T182] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.023275][  T182] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.023457][  T182] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e5 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e5 f0 ff       	call   0xfffffffffff0e574
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e5 f0 ff       	call   0xfffffffffff0e54a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.023946][  T182] RSP: 0018:ffa0000000917ab0 EFLAGS: 00010286
[    9.024153][  T182] RAX: 00000000ffffffa6 RBX: ff11000004b16740 RCX: 1ff4000000122f1c
[    9.024369][  T182] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004b167f8
[    9.024575][  T182] RBP: ff11000008b59000 R08: 1fe2200000962d00 R09: ff1100000c265180
[    9.024776][  T182] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.024976][  T182] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008b59000
[    9.025179][  T182] FS:  00007f5b97f57840(0000) GS:ff1100008cac3000(0000) knlGS:0000000000000000
[    9.025424][  T182] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.025600][  T182] CR2: 0000000000479648 CR3: 000000000b1c3006 CR4: 0000000000771ef0
[    9.025803][  T182] PKRU: 55555554
[    9.025903][  T182] Call Trace:
[    9.026003][  T182]  <TASK>
[    9.026074][  T182]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.026210][  T182]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.026355][  T182]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.026459][  T182]  register_netdevice (net/core/dev.c:11488)
[    9.026598][  T182]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.026768][  T182]  register_netdev (net/core/dev.c:11552)
[    9.026903][  T182]  loopback_net_init (drivers/net/loopback.c:218)
[    9.027038][  T182]  ops_init (net/core/net_namespace.c:137)
[    9.027142][  T182]  setup_net (net/core/net_namespace.c:446)
[    9.027246][  T182]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.027379][  T182]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.027513][  T182]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.027656][  T182]  copy_net_ns (net/core/net_namespace.c:579)
[    9.027790][  T182]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.027927][  T182]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.028062][  T182]  ksys_unshare (kernel/fork.c:3243)
[    9.028196][  T182]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.028337][  T182]  ? __ia32_sys_open (fs/open.c:1374)
[    9.028474][  T182]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.028615][  T182]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.028751][  T182]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.028884][  T182]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.029019][  T182]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.029153][  T182]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.029327][  T182] RIP: 0033:0x7f5b98219bcb
[    9.029469][  T182] 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
[    9.029958][  T182] RSP: 002b:00007ffd06480898 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.030159][  T182] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f5b98219bcb
[    9.030362][  T182] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.030558][  T182] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.030761][  T182] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd06482ac0
[    9.030958][  T182] R13: 0000000000000001 R14: 00007f5b97f576f8 R15: 00007ffd0648370e
| [    9.063905][  T183] ------------[ cut here ]------------
| [    9.064059][  T183] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/183
| [    9.064303][  T183] Modules linked in:
| [    9.064697][  T183] Tainted: [W]=WARN
[    9.064797][  T183] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.064960][  T183] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.065132][  T183] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e5 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e5 f0 ff       	call   0xfffffffffff0e574
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e5 f0 ff       	call   0xfffffffffff0e54a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.065609][  T183] RSP: 0018:ffa0000000927030 EFLAGS: 00010286
[    9.065776][  T183] RAX: 00000000ffffffa6 RBX: ff11000004b16040 RCX: 1ff4000000124dcc
[    9.065994][  T183] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004b160f8
[    9.066190][  T183] RBP: ff11000008b59000 R08: 1fe2200000962c20 R09: ff1100000cb88b58
[    9.066392][  T183] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[    9.066592][  T183] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008b59cd1
[    9.066789][  T183] FS:  00007fc8032fc840(0000) GS:ff1100008cac3000(0000) knlGS:0000000000000000
[    9.067019][  T183] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.067185][  T183] CR2: 0000000003174988 CR3: 000000000b1c3003 CR4: 0000000000771ef0
[    9.067388][  T183] PKRU: 55555554
[    9.067488][  T183] Call Trace:
[    9.067590][  T183]  <TASK>
[    9.067660][  T183]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.067797][  T183]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.067897][  T183]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.068032][  T183]  __dev_notify_flags (net/core/dev.c:9787)
[    9.068165][  T183]  ? netif_change_name (net/core/dev.c:1495)
[    9.068310][  T183]  ? __dev_change_flags (net/core/dev.c:9752)
[    9.068441][  T183]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[    9.068579][  T183]  ? 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))
[    9.068712][  T183]  netif_change_flags (net/core/dev.c:9820)
[    9.068845][  T183]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    9.068981][  T183]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    9.069113][  T183]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    9.069285][  T183]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.069417][  T183]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.069548][  T183]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    9.069682][  T183]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.069816][  T183]  ? __kernel_text_address (kernel/extable.c:79)
[    9.069950][  T183]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.070083][  T183]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.070214][  T183]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.070352][  T183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.070483][  T183]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.070619][  T183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.070750][  T183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.070883][  T183]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    9.071015][  T183]  ? __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)
[    9.071147][  T183]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    9.071282][  T183]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.071415][  T183]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.071548][  T183]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    9.071687][  T183]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.071821][  T183]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.071954][  T183]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.072089][  T183]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.072221][  T183]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.072358][  T183]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.072492][  T183]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.072629][  T183]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.072761][  T183]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.072894][  T183]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.073027][  T183]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.073160][  T183]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.073300][  T183]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.073433][  T183]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.073569][  T183]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.073703][  T183]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.073836][  T183]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.073971][  T183]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.074102][  T183]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.074240][  T183]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.074376][  T183]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.074507][  T183]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.074644][  T183]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.074777][  T183]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.074915][  T183]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.075049][  T183]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.075181][  T183]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.075321][  T183]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.075456][  T183]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.075592][  T183]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.075725][  T183]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.075887][  T183]  ? move_addr_to_kernel (net/socket.c:258)
[    9.076018][  T183]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.076150][  T183]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.076287][  T183]  ___sys_sendmsg (net/socket.c:2752)
[    9.076418][  T183]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    9.076586][  T183]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.076730][  T183]  __sys_sendmsg (net/socket.c:2784)
[    9.076862][  T183]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.076993][  T183]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    9.077160][  T183]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    9.077297][  T183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.077430][  T183]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.077560][  T183]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.077697][  T183]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.077829][  T183]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.077994][  T183] RIP: 0033:0x7fc80353608e
[    9.078132][  T183] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.078609][  T183] RSP: 002b:00007fffe6befe90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.078807][  T183] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fc80353608e
[    9.079005][  T183] RDX: 0000000000000000 RSI: 00007fffe6beff40 RDI: 0000000000000005
[    9.079204][  T183] RBP: 00007fffe6befea0 R08: 0000000000000000 R09: 0000000000000000
[    9.079408][  T183] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ea45
[    9.079608][  T183] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffe6bf0610
| [    9.204401][  T187] ------------[ cut here ]------------
| [    9.204589][  T187] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/187
| [    9.204836][  T187] Modules linked in:
| [    9.205227][  T187] Tainted: [W]=WARN
[    9.205339][  T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.205514][  T187] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.205730][  T187] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e5 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e5 f0 ff       	call   0xfffffffffff0e574
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e5 f0 ff       	call   0xfffffffffff0e54a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.206238][  T187] RSP: 0018:ffa0000000967ab0 EFLAGS: 00010286
[    9.206411][  T187] RAX: 00000000ffffffa6 RBX: ff11000008a68ac0 RCX: 1ff400000012cf1c
[    9.206622][  T187] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008a68b78
[    9.206827][  T187] RBP: ff1100000a2b4000 R08: 1fe220000114d170 R09: ff1100000c2a2e80
[    9.207028][  T187] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.207240][  T187] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a2b4000
[    9.207451][  T187] FS:  00007fb7dab98840(0000) GS:ff1100008cac3000(0000) knlGS:0000000000000000
[    9.207702][  T187] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.207873][  T187] CR2: 00007fb7dada27d0 CR3: 000000000b1c3001 CR4: 0000000000771ef0
[    9.208078][  T187] PKRU: 55555554
[    9.208183][  T187] Call Trace:
[    9.208291][  T187]  <TASK>
[    9.208363][  T187]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.208502][  T187]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.208645][  T187]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.208749][  T187]  register_netdevice (net/core/dev.c:11488)
[    9.208886][  T187]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.209059][  T187]  register_netdev (net/core/dev.c:11552)
[    9.209194][  T187]  loopback_net_init (drivers/net/loopback.c:218)
[    9.209337][  T187]  ops_init (net/core/net_namespace.c:137)
[    9.209442][  T187]  setup_net (net/core/net_namespace.c:446)
[    9.209546][  T187]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.209684][  T187]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.209821][  T187]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.209959][  T187]  copy_net_ns (net/core/net_namespace.c:579)
[    9.210095][  T187]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.210239][  T187]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.210375][  T187]  ksys_unshare (kernel/fork.c:3243)
[    9.210514][  T187]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.210655][  T187]  ? __ia32_sys_open (fs/open.c:1374)
[    9.210796][  T187]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.210932][  T187]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.211069][  T187]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.211204][  T187]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.211345][  T187]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.211483][  T187]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.211660][  T187] RIP: 0033:0x7fb7dae5abcb
[    9.211803][  T187] 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
[    9.212292][  T187] RSP: 002b:00007ffeeca2fb18 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.212499][  T187] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fb7dae5abcb
[    9.212706][  T187] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.212908][  T187] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.213109][  T187] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffeeca31d40
[    9.213315][  T187] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffeeca3270e
| [    9.244360][  T188] ------------[ cut here ]------------
| [    9.244536][  T188] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/188
| [    9.244777][  T188] Modules linked in:
| [    9.245161][  T188] Tainted: [W]=WARN
[    9.245909][  T188] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.246091][  T188] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.246362][  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 38 e5 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e5 f0 ff       	call   0xfffffffffff0e574
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e5 f0 ff       	call   0xfffffffffff0e54a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.246832][  T188] RSP: 0018:ffa0000000977030 EFLAGS: 00010286
[    9.247002][  T188] RAX: 00000000ffffffa6 RBX: ff11000008a683c0 RCX: 1ff400000012edcc
[    9.247202][  T188] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008a68478
[    9.247427][  T188] RBP: ff1100000a2b4000 R08: 1fe220000114d090 R09: ff1100000c2a5158
[    9.247627][  T188] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[    9.247823][  T188] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a2b4cd1
[    9.248051][  T188] FS:  00007f94c0793840(0000) GS:ff1100008cac3000(0000) knlGS:0000000000000000
[    9.248291][  T188] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.248455][  T188] CR2: 000000000d163988 CR3: 000000000b1c3004 CR4: 0000000000771ef0
[    9.248674][  T188] PKRU: 55555554
[    9.248799][  T188] Call Trace:
[    9.248921][  T188]  <TASK>
[    9.248991][  T188]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.249129][  T188]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.249236][  T188]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.249373][  T188]  __dev_notify_flags (net/core/dev.c:9787)
[    9.249511][  T188]  ? netif_change_name (net/core/dev.c:1495)
[    9.249652][  T188]  ? __dev_change_flags (net/core/dev.c:9752)
[    9.249787][  T188]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[    9.249923][  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))
[    9.250060][  T188]  netif_change_flags (net/core/dev.c:9820)
[    9.250198][  T188]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    9.250340][  T188]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    9.250475][  T188]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    9.250656][  T188]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.250792][  T188]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.250930][  T188]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    9.251065][  T188]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.251201][  T188]  ? __kernel_text_address (kernel/extable.c:79)
[    9.251343][  T188]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.251480][  T188]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.251623][  T188]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.251762][  T188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.251897][  T188]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.252032][  T188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.252168][  T188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.252308][  T188]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    9.252444][  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)
[    9.252589][  T188]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    9.252724][  T188]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.252861][  T188]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.252998][  T188]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    9.253138][  T188]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.253280][  T188]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.253414][  T188]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.253550][  T188]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.253690][  T188]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.253825][  T188]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.253963][  T188]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.254097][  T188]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.254236][  T188]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.254374][  T188]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.254510][  T188]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.254651][  T188]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.254788][  T188]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.254924][  T188]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.255059][  T188]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.255197][  T188]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.255336][  T188]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.255474][  T188]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.255615][  T188]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.255752][  T188]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.255890][  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))
[    9.256024][  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))
[    9.256160][  T188]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.256301][  T188]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.256460][  T188]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.256605][  T188]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.256739][  T188]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.256871][  T188]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.257006][  T188]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.257138][  T188]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.257273][  T188]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.257433][  T188]  ? move_addr_to_kernel (net/socket.c:258)
[    9.257568][  T188]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.257697][  T188]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.257829][  T188]  ___sys_sendmsg (net/socket.c:2752)
[    9.257957][  T188]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    9.258120][  T188]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.258267][  T188]  __sys_sendmsg (net/socket.c:2784)
[    9.258398][  T188]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.258527][  T188]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    9.258694][  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)
[    9.258824][  T188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.258955][  T188]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.259085][  T188]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.259216][  T188]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.259351][  T188]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.259512][  T188] RIP: 0033:0x7f94c09cd08e
[    9.259655][  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
[    9.260122][  T188] RSP: 002b:00007ffcda91f1a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.260325][  T188] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f94c09cd08e
[    9.260522][  T188] RDX: 0000000000000000 RSI: 00007ffcda91f250 RDI: 0000000000000005
[    9.260721][  T188] RBP: 00007ffcda91f1b0 R08: 0000000000000000 R09: 0000000000000000
[    9.260915][  T188] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ea45
[    9.261110][  T188] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcda91f920
| [    9.387693][  T192] ------------[ cut here ]------------
| [    9.387917][  T192] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/192
| [    9.388209][  T192] Modules linked in:
| [    9.389083][  T192] Tainted: [W]=WARN
[    9.389247][  T192] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.389465][  T192] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.389702][  T192] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e5 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e5 f0 ff       	call   0xfffffffffff0e574
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e5 f0 ff       	call   0xfffffffffff0e54a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.390246][  T192] RSP: 0018:ffa0000000997ab0 EFLAGS: 00010286
[    9.390466][  T192] RAX: 00000000ffffffa6 RBX: ff1100000a18c900 RCX: 1ff4000000132f1c
[    9.390721][  T192] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000a18c9b8
[    9.390966][  T192] RBP: ff11000007529000 R08: 1fe2200001431938 R09: ff1100000d0fd180
[    9.391214][  T192] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.391475][  T192] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000007529000
[    9.391735][  T192] FS:  00007f92c8669840(0000) GS:ff1100008ca43000(0000) knlGS:0000000000000000
[    9.392018][  T192] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.392316][  T192] CR2: 00007f92c886ac20 CR3: 000000000d2cd003 CR4: 0000000000771ef0
[    9.392578][  T192] PKRU: 55555554
[    9.392735][  T192] Call Trace:
[    9.392884][  T192]  <TASK>
[    9.392999][  T192]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.393252][  T192]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.393501][  T192]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.393715][  T192]  register_netdevice (net/core/dev.c:11488)
[    9.393971][  T192]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.394256][  T192]  register_netdev (net/core/dev.c:11552)
[    9.394439][  T192]  loopback_net_init (drivers/net/loopback.c:218)
[    9.394633][  T192]  ops_init (net/core/net_namespace.c:137)
[    9.394784][  T192]  setup_net (net/core/net_namespace.c:446)
[    9.394936][  T192]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.395118][  T192]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.395316][  T192]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.395504][  T192]  copy_net_ns (net/core/net_namespace.c:579)
[    9.395696][  T192]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.395880][  T192]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.396063][  T192]  ksys_unshare (kernel/fork.c:3243)
[    9.396258][  T192]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.396440][  T192]  ? __ia32_sys_open (fs/open.c:1374)
[    9.396636][  T192]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.396819][  T192]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.397001][  T192]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.397182][  T192]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.397377][  T192]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.397560][  T192]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.397783][  T192] RIP: 0033:0x7f92c892bbcb
[    9.397972][  T192] 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
[    9.398513][  T192] RSP: 002b:00007ffd50390c68 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.398771][  T192] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f92c892bbcb
[    9.399017][  T192] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.399279][  T192] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.399526][  T192] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd50392e90
[    9.399794][  T192] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd5039370e
| [    9.424790][  T193] ------------[ cut here ]------------
| [    9.424963][  T193] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/193
| [    9.425202][  T193] Modules linked in:
| [    9.425709][  T193] Tainted: [W]=WARN
[    9.425812][  T193] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.425985][  T193] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.426164][  T193] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e5 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e5 f0 ff       	call   0xfffffffffff0e574
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e5 f0 ff       	call   0xfffffffffff0e54a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.426656][  T193] RSP: 0018:ffa00000009a7030 EFLAGS: 00010286
[    9.426831][  T193] RAX: 00000000ffffffa6 RBX: ff1100000a18d700 RCX: 1ff4000000134dcc
[    9.427033][  T193] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000a18d7b8
[    9.427241][  T193] RBP: ff11000007529000 R08: 1fe2200001431af8 R09: ff1100000c30d158
[    9.427443][  T193] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[    9.427649][  T193] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000007529cd1
[    9.427855][  T193] FS:  00007fbfe8bef840(0000) GS:ff1100008cac3000(0000) knlGS:0000000000000000
[    9.428096][  T193] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.428270][  T193] CR2: 0000000035143988 CR3: 0000000005cd2003 CR4: 0000000000771ef0
[    9.428471][  T193] PKRU: 55555554
[    9.428576][  T193] Call Trace:
[    9.428678][  T193]  <TASK>
[    9.428749][  T193]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.428887][  T193]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.428990][  T193]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.429127][  T193]  __dev_notify_flags (net/core/dev.c:9787)
[    9.429269][  T193]  ? netif_change_name (net/core/dev.c:1495)
[    9.429403][  T193]  ? __dev_change_flags (net/core/dev.c:9752)
[    9.429537][  T193]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[    9.429680][  T193]  ? 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))
[    9.429816][  T193]  netif_change_flags (net/core/dev.c:9820)
[    9.429952][  T193]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    9.430089][  T193]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    9.430226][  T193]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    9.430399][  T193]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.430537][  T193]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.430678][  T193]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    9.430813][  T193]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.430948][  T193]  ? __kernel_text_address (kernel/extable.c:79)
[    9.431083][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.431220][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.431781][  T193]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.431928][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.432063][  T193]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.432197][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.432339][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.432472][  T193]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    9.432613][  T193]  ? __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)
[    9.432749][  T193]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    9.432884][  T193]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.433023][  T193]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.433161][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    9.433305][  T193]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.433443][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.433581][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.433717][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.433851][  T193]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.433987][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.434127][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.434269][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.434404][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.434540][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.434680][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.434816][  T193]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.434954][  T193]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.435091][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.435226][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.435369][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.435505][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.435647][  T193]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.435786][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.435922][  T193]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.436062][  T193]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.436198][  T193]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.436339][  T193]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.436475][  T193]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.436614][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.436751][  T193]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.436887][  T193]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.437024][  T193]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.437162][  T193]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.437303][  T193]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.437439][  T193]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.437615][  T193]  ? move_addr_to_kernel (net/socket.c:258)
[    9.437751][  T193]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.437887][  T193]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.438024][  T193]  ___sys_sendmsg (net/socket.c:2752)
[    9.438159][  T193]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    9.438334][  T193]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.438479][  T193]  __sys_sendmsg (net/socket.c:2784)
[    9.438619][  T193]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.438755][  T193]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    9.438927][  T193]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    9.439061][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.439197][  T193]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.439339][  T193]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.439474][  T193]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.439615][  T193]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.439784][  T193] RIP: 0033:0x7fbfe8e2908e
[    9.439927][  T193] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.440416][  T193] RSP: 002b:00007ffc35fd4ca0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.440624][  T193] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fbfe8e2908e
[    9.440825][  T193] RDX: 0000000000000000 RSI: 00007ffc35fd4d50 RDI: 0000000000000005
[    9.441028][  T193] RBP: 00007ffc35fd4cb0 R08: 0000000000000000 R09: 0000000000000000
[    9.441230][  T193] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ea45
[    9.441448][  T193] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc35fd5420
| [    9.678138][  T199] ------------[ cut here ]------------
| [    9.678414][  T199] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/199
| [    9.678672][  T199] Modules linked in:
| [    9.679097][  T199] Tainted: [W]=WARN
[    9.679203][  T199] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.679387][  T199] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.679574][  T199] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e5 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e5 f0 ff       	call   0xfffffffffff0e574
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e5 f0 ff       	call   0xfffffffffff0e54a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.680076][  T199] RSP: 0018:ffa00000009f6e30 EFLAGS: 00010286
[    9.680260][  T199] RAX: 00000000ffffffa6 RBX: ff11000008fa03c0 RCX: 1ff400000013ed8c
[    9.680470][  T199] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008fa0478
[    9.680680][  T199] RBP: ff1100000d2c4000 R08: 1fe22000011f4090 R09: ff1100000bf92e80
[    9.680889][  T199] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.681096][  T199] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008edf888
[    9.681370][  T199] FS:  00007f69146de840(0000) GS:ff1100008cac3000(0000) knlGS:0000000000000000
[    9.681621][  T199] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.681799][  T199] CR2: 000000000042ebe0 CR3: 000000000cbd3005 CR4: 0000000000771ef0
[    9.682011][  T199] PKRU: 55555554
[    9.682116][  T199] Call Trace:
[    9.682220][  T199]  <TASK>
[    9.682300][  T199]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.682476][  T199]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.682629][  T199]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.682735][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.682875][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.683041][  T199]  __dev_notify_flags (net/core/dev.c:9787)
[    9.683181][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.683326][  T199]  ? netif_change_name (net/core/dev.c:1495)
[    9.683465][  T199]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.683611][  T199]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.683751][  T199]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.683892][  T199]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.684030][  T199]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.684169][  T199]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.684314][  T199]  veth_newlink (drivers/net/veth.c:1871)
[    9.684456][  T199]  ? veth_poll_controller (drivers/net/veth.c:1470)
[    9.684600][  T199]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.684742][  T199]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.684882][  T199]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.685037][  T199]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.685177][  T199]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.685321][  T199]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.685459][  T199]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.685601][  T199]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.685744][  T199]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.685884][  T199]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.686021][  T199]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.686161][  T199]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.686311][  T199]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.686454][  T199]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.686598][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.686737][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.686880][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.687021][  T199]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.687160][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.687310][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.687451][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.687594][  T199]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.687733][  T199]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.687873][  T199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.688014][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.688156][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.688300][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.688439][  T199]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.688583][  T199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.688723][  T199]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.688866][  T199]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.689004][  T199]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.689145][  T199]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.689290][  T199]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.689429][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.689572][  T199]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.689712][  T199]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.689851][  T199]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.689994][  T199]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.690135][  T199]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.690278][  T199]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.690449][  T199]  ? move_addr_to_kernel (net/socket.c:258)
[    9.690597][  T199]  ___sys_sendmsg (net/socket.c:2752)
[    9.690736][  T199]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.690879][  T199]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    9.691057][  T199]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[    9.691199][  T199]  __sys_sendmsg (net/socket.c:2784)
[    9.691346][  T199]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.691489][  T199]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[    9.691634][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.691776][  T199]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.691916][  T199]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.692051][  T199]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.692190][  T199]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.692370][  T199] RIP: 0033:0x7f691491808e
[    9.692517][  T199] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.693019][  T199] RSP: 002b:00007ffe16381320 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.693235][  T199] RAX: ffffffffffffffda RBX: 00007ffe16381ac8 RCX: 00007f691491808e
[    9.693443][  T199] RDX: 0000000000000000 RSI: 00007ffe163813d0 RDI: 0000000000000005
[    9.693654][  T199] RBP: 00007ffe16381330 R08: 0000000000000000 R09: 0000000000000000
[    9.693862][  T199] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ea46
[    9.694070][  T199] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe16381a90
| [    9.709926][  T199] ------------[ cut here ]------------
| [    9.710096][  T199] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/199
| [    9.710349][  T199] Modules linked in:
| [    9.710747][  T199] Tainted: [W]=WARN
[    9.710850][  T199] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.711021][  T199] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.711198][  T199] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e5 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e5 f0 ff       	call   0xfffffffffff0e574
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e5 f0 ff       	call   0xfffffffffff0e54a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.711693][  T199] RSP: 0018:ffa00000009f71b0 EFLAGS: 00010286
[    9.711865][  T199] RAX: 00000000ffffffa6 RBX: ff1100000d16d1c0 RCX: 1ff400000013edfc
[    9.712068][  T199] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d16d278
[    9.712275][  T199] RBP: ff1100000d2c1000 R08: 1fe2200001a2da50 R09: ff1100000bf92e80
[    9.712479][  T199] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.712687][  T199] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.712892][  T199] FS:  00007f69146de840(0000) GS:ff1100008cac3000(0000) knlGS:0000000000000000
[    9.713129][  T199] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.713305][  T199] CR2: 000000000042ebe0 CR3: 000000000cbd3005 CR4: 0000000000771ef0
[    9.713511][  T199] PKRU: 55555554
[    9.713616][  T199] Call Trace:
[    9.713718][  T199]  <TASK>
[    9.713789][  T199]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.713928][  T199]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.714033][  T199]  __dev_notify_flags (net/core/dev.c:9787)
[    9.714169][  T199]  ? netif_change_name (net/core/dev.c:1495)
[    9.714367][  T199]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.714505][  T199]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.714645][  T199]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.714782][  T199]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.714919][  T199]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.715055][  T199]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.715191][  T199]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.715368][  T199]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.715510][  T199]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.715651][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.715788][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.715925][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.716060][  T199]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.716196][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.716344][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.716486][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.716627][  T199]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.716765][  T199]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.716902][  T199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.717037][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.717176][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.717314][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.717451][  T199]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.717594][  T199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.717731][  T199]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.717871][  T199]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.718008][  T199]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.718146][  T199]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.718289][  T199]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.718426][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.718563][  T199]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.718705][  T199]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.718844][  T199]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.718983][  T199]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.719120][  T199]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.719262][  T199]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.719430][  T199]  ? move_addr_to_kernel (net/socket.c:258)
[    9.719574][  T199]  ___sys_sendmsg (net/socket.c:2752)
[    9.719713][  T199]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.719854][  T199]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    9.720029][  T199]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[    9.720169][  T199]  __sys_sendmsg (net/socket.c:2784)
[    9.720310][  T199]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.720452][  T199]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[    9.720591][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.720731][  T199]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.720866][  T199]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.721001][  T199]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.721139][  T199]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.721312][  T199] RIP: 0033:0x7f691491808e
[    9.721456][  T199] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.721945][  T199] RSP: 002b:00007ffe16381320 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.722151][  T199] RAX: ffffffffffffffda RBX: 00007ffe16381ac8 RCX: 00007f691491808e
[    9.722360][  T199] RDX: 0000000000000000 RSI: 00007ffe163813d0 RDI: 0000000000000005
[    9.722563][  T199] RBP: 00007ffe16381330 R08: 0000000000000000 R09: 0000000000000000
[    9.722770][  T199] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ea46
[    9.722974][  T199] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe16381a90
| [    9.761445][  T201] ------------[ cut here ]------------
| [    9.761609][  T201] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/201
| [    9.761858][  T201] Modules linked in:
| [    9.762789][  T201] Tainted: [W]=WARN
[    9.762906][  T201] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.763078][  T201] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.763264][  T201] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e5 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e5 f0 ff       	call   0xfffffffffff0e574
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e5 f0 ff       	call   0xfffffffffff0e54a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.763755][  T201] RSP: 0018:ffa0000000a06e30 EFLAGS: 00010286
[    9.763926][  T201] RAX: 00000000ffffffa6 RBX: ff1100000c954e40 RCX: 1ff4000000140d8c
[    9.764128][  T201] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c954ef8
[    9.764339][  T201] RBP: ff11000016914000 R08: 1fe220000192a9e0 R09: ff1100000c15ae80
[    9.764541][  T201] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.764748][  T201] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000569ee08
[    9.764953][  T201] FS:  00007ff0ce391840(0000) GS:ff1100008cac3000(0000) knlGS:0000000000000000
[    9.765196][  T201] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.765371][  T201] CR2: 000000000042ebe0 CR3: 000000000cbd3002 CR4: 0000000000771ef0
[    9.765577][  T201] PKRU: 55555554
[    9.765681][  T201] Call Trace:
[    9.765782][  T201]  <TASK>
[    9.765852][  T201]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.765993][  T201]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.766095][  T201]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.766269][  T201]  __dev_notify_flags (net/core/dev.c:9787)
[    9.766404][  T201]  ? netif_change_name (net/core/dev.c:1495)
[    9.766537][  T201]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.766673][  T201]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.766807][  T201]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.766944][  T201]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[    9.767095][  T201]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.767240][  T201]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.767380][  T201]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.767518][  T201]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.767660][  T201]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.767801][  T201]  veth_newlink (drivers/net/veth.c:1871)
[    9.767941][  T201]  ? veth_poll_controller (drivers/net/veth.c:1470)
[    9.768079][  T201]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.768218][  T201]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.768361][  T201]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.768514][  T201]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.768656][  T201]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.768795][  T201]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.768935][  T201]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.769076][  T201]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.769217][  T201]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.769362][  T201]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.769499][  T201]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.769639][  T201]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.769784][  T201]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.769927][  T201]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.770067][  T201]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.770204][  T201]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.770347][  T201]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.770484][  T201]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.770625][  T201]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.770767][  T201]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.770906][  T201]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.771045][  T201]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.771185][  T201]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.771328][  T201]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.771466][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.771611][  T201]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.771749][  T201]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.771887][  T201]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.772025][  T201]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.772165][  T201]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.772313][  T201]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.772451][  T201]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.772597][  T201]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.772735][  T201]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.772874][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.773014][  T201]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.773156][  T201]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.773300][  T201]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.773441][  T201]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.773584][  T201]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.773723][  T201]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.773895][  T201]  ? move_addr_to_kernel (net/socket.c:258)
[    9.774036][  T201]  ___sys_sendmsg (net/socket.c:2752)
[    9.774173][  T201]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.774320][  T201]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    9.774499][  T201]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[    9.774645][  T201]  __sys_sendmsg (net/socket.c:2784)
[    9.774784][  T201]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.774926][  T201]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[    9.775065][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.775205][  T201]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.775348][  T201]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.775485][  T201]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.775627][  T201]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.775799][  T201] RIP: 0033:0x7ff0ce5cb08e
[    9.775945][  T201] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.776444][  T201] RSP: 002b:00007ffee618f160 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.776656][  T201] RAX: ffffffffffffffda RBX: 00007ffee618f908 RCX: 00007ff0ce5cb08e
[    9.776862][  T201] RDX: 0000000000000000 RSI: 00007ffee618f210 RDI: 0000000000000005
[    9.777070][  T201] RBP: 00007ffee618f170 R08: 0000000000000000 R09: 0000000000000000
[    9.777281][  T201] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ea46
[    9.777488][  T201] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffee618f8d0
| [    9.785105][  T201] ------------[ cut here ]------------
| [    9.785711][  T201] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/201
| [    9.785945][  T201] Modules linked in:
| [    9.786321][  T201] Tainted: [W]=WARN
[    9.786424][  T201] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.786596][  T201] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.786770][  T201] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e5 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e5 f0 ff       	call   0xfffffffffff0e574
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e5 f0 ff       	call   0xfffffffffff0e54a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.787249][  T201] RSP: 0018:ffa0000000a071b0 EFLAGS: 00010286
[    9.787424][  T201] RAX: 00000000ffffffa6 RBX: ff1100000ca2bc40 RCX: 1ff4000000140dfc
[    9.787643][  T201] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ca2bcf8
[    9.787853][  T201] RBP: ff11000016911000 R08: 1fe22000019457a0 R09: ff1100000c15ae80
[    9.788058][  T201] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.788362][  T201] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.788572][  T201] FS:  00007ff0ce391840(0000) GS:ff1100008cac3000(0000) knlGS:0000000000000000
[    9.788904][  T201] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.789076][  T201] CR2: 000000000042ebe0 CR3: 000000000cbd3002 CR4: 0000000000771ef0
[    9.789288][  T201] PKRU: 55555554
[    9.789479][  T201] Call Trace:
[    9.789586][  T201]  <TASK>
[    9.789659][  T201]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.789799][  T201]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.789904][  T201]  __dev_notify_flags (net/core/dev.c:9787)
[    9.790130][  T201]  ? netif_change_name (net/core/dev.c:1495)
[    9.790273][  T201]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.790410][  T201]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.790552][  T201]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.790785][  T201]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.790925][  T201]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.791062][  T201]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.791202][  T201]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.791438][  T201]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.791584][  T201]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.791722][  T201]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.791860][  T201]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.792086][  T201]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.792224][  T201]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.792366][  T201]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.792509][  T201]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.792738][  T201]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.792876][  T201]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.793013][  T201]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.793151][  T201]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.793295][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.793434][  T201]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.793574][  T201]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.793712][  T201]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.793937][  T201]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.794076][  T201]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.794217][  T201]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.794358][  T201]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.794590][  T201]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.794729][  T201]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.794866][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.795005][  T201]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.795235][  T201]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.795375][  T201]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.795514][  T201]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.795656][  T201]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.795881][  T201]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.796050][  T201]  ? move_addr_to_kernel (net/socket.c:258)
[    9.796192][  T201]  ___sys_sendmsg (net/socket.c:2752)
[    9.796336][  T201]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.796571][  T201]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    9.796749][  T201]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[    9.796888][  T201]  __sys_sendmsg (net/socket.c:2784)
[    9.797026][  T201]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.797259][  T201]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[    9.797397][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.797536][  T201]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.797676][  T201]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.797903][  T201]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.798039][  T201]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.798208][  T201] RIP: 0033:0x7ff0ce5cb08e
[    9.798446][  T201] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.798939][  T201] RSP: 002b:00007ffee618f160 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.799241][  T201] RAX: ffffffffffffffda RBX: 00007ffee618f908 RCX: 00007ff0ce5cb08e
[    9.799445][  T201] RDX: 0000000000000000 RSI: 00007ffee618f210 RDI: 0000000000000005
[    9.799652][  T201] RBP: 00007ffee618f170 R08: 0000000000000000 R09: 0000000000000000
[    9.799950][  T201] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ea46
[    9.800154][  T201] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffee618f8d0
| [    9.840161][  T202] ------------[ cut here ]------------
| [    9.840396][  T202] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/202
| [    9.840696][  T202] Modules linked in:
| [    9.841176][  T202] Tainted: [W]=WARN
[    9.841352][  T202] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.841590][  T202] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.841821][  T202] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e5 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e5 f0 ff       	call   0xfffffffffff0e574
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e5 f0 ff       	call   0xfffffffffff0e54a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.842364][  T202] RSP: 0018:ffa0000000a16e30 EFLAGS: 00010286
[    9.842593][  T202] RAX: 00000000ffffffa6 RBX: ff1100000b2c38c0 RCX: 1ff4000000142d8c
[    9.842845][  T202] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b2c3978
[    9.843096][  T202] RBP: ff1100000d329000 R08: 1fe2200001658730 R09: ff1100000c1c8b80
[    9.843362][  T202] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.843625][  T202] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100001688fc08
[    9.843878][  T202] FS:  00007f5837000840(0000) GS:ff1100008ca43000(0000) knlGS:0000000000000000
[    9.844169][  T202] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.844478][  T202] CR2: 000000000042ebe0 CR3: 000000000c8d0002 CR4: 0000000000771ef0
[    9.844823][  T202] PKRU: 55555554
[    9.845030][  T202] Call Trace:
[    9.845248][  T202]  <TASK>
[    9.845387][  T202]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.845580][  T202]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.845769][  T202]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.845920][  T202]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[    9.846105][  T202]  __dev_notify_flags (net/core/dev.c:9787)
[    9.846304][  T202]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[    9.846501][  T202]  ? linkwatch_fire_event (./include/linux/netdevice.h:4482 ./include/linux/netdevice.h:4511 net/core/link_watch.c:131 net/core/link_watch.c:324)
[    9.846698][  T202]  ? netif_change_name (net/core/dev.c:1495)
[    9.846883][  T202]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.847067][  T202]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.847265][  T202]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.847453][  T202]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.847646][  T202]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.847835][  T202]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.848019][  T202]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.848202][  T202]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.848401][  T202]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.848597][  T202]  veth_newlink (drivers/net/veth.c:1871)
[    9.848786][  T202]  ? veth_poll_controller (drivers/net/veth.c:1470)
[    9.848968][  T202]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.849156][  T202]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.849351][  T202]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.849551][  T202]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.849743][  T202]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.849930][  T202]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.850115][  T202]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.850313][  T202]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.850502][  T202]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.850697][  T202]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.850884][  T202]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.851069][  T202]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.851272][  T202]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.851461][  T202]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.851654][  T202]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.851838][  T202]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.852026][  T202]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.852211][  T202]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.852409][  T202]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.852606][  T202]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.852792][  T202]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.852979][  T202]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.853163][  T202]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.853356][  T202]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.853543][  T202]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.853737][  T202]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.853920][  T202]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.854107][  T202]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.854306][  T202]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.854494][  T202]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.854685][  T202]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.854872][  T202]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.855060][  T202]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.855259][  T202]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.855445][  T202]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.855639][  T202]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.855829][  T202]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.856015][  T202]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.856204][  T202]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.856407][  T202]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.856598][  T202]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.856815][  T202]  ? move_addr_to_kernel (net/socket.c:258)
[    9.857005][  T202]  ___sys_sendmsg (net/socket.c:2752)
[    9.857191][  T202]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.857393][  T202]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    9.857629][  T202]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[    9.857821][  T202]  __sys_sendmsg (net/socket.c:2784)
[    9.858010][  T202]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.858201][  T202]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[    9.858400][  T202]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.858597][  T202]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.858785][  T202]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.858968][  T202]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.859155][  T202]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.859387][  T202] RIP: 0033:0x7f583723a08e
[    9.859588][  T202] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.860124][  T202] RSP: 002b:00007ffdeffed780 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.860397][  T202] RAX: ffffffffffffffda RBX: 00007ffdeffedf28 RCX: 00007f583723a08e
[    9.860682][  T202] RDX: 0000000000000000 RSI: 00007ffdeffed830 RDI: 0000000000000005
[    9.860934][  T202] RBP: 00007ffdeffed790 R08: 0000000000000000 R09: 0000000000000000
[    9.861189][  T202] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ea46
[    9.861459][  T202] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdeffedef0
| [    9.875148][  T202] ------------[ cut here ]------------
| [    9.875371][  T202] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/202
| [    9.875626][  T202] Modules linked in:
| [    9.876020][  T202] Tainted: [W]=WARN
[    9.876124][  T202] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.876303][  T202] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.876487][  T202] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e5 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e5 f0 ff       	call   0xfffffffffff0e574
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e5 f0 ff       	call   0xfffffffffff0e54a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.876980][  T202] RSP: 0018:ffa0000000a171b0 EFLAGS: 00010286
[    9.877154][  T202] RAX: 00000000ffffffa6 RBX: ff1100000cbac740 RCX: 1ff4000000142dfc
[    9.877366][  T202] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000cbac7f8
[    9.877576][  T202] RBP: ff1100000d324000 R08: 1fe2200001975900 R09: ff1100000c1c8b80
[    9.877781][  T202] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    9.877985][  T202] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.878194][  T202] FS:  00007f5837000840(0000) GS:ff1100008c9c3000(0000) knlGS:0000000000000000
[    9.878440][  T202] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.878619][  T202] CR2: 000056456ac3b130 CR3: 000000000c8d0004 CR4: 0000000000771ef0
[    9.878825][  T202] PKRU: 55555554
[    9.878928][  T202] Call Trace:
[    9.879031][  T202]  <TASK>
[    9.879102][  T202]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.879249][  T202]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.879354][  T202]  __dev_notify_flags (net/core/dev.c:9787)
[    9.879490][  T202]  ? netif_change_name (net/core/dev.c:1495)
[    9.879632][  T202]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.879768][  T202]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.879906][  T202]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.880045][  T202]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.880184][  T202]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.880325][  T202]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.880463][  T202]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.880611][  T202]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.880751][  T202]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.880890][  T202]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.881027][  T202]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.881165][  T202]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.881305][  T202]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.881440][  T202]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.881583][  T202]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.881721][  T202]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.881859][  T202]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.881996][  T202]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.882133][  T202]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.882277][  T202]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.882415][  T202]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.882551][  T202]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.882695][  T202]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.882833][  T202]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.882970][  T202]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.883110][  T202]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.883249][  T202]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.883390][  T202]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.883527][  T202]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.883670][  T202]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.883809][  T202]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.883947][  T202]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.884084][  T202]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.884226][  T202]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.884371][  T202]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.884506][  T202]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.884680][  T202]  ? move_addr_to_kernel (net/socket.c:258)
[    9.884821][  T202]  ___sys_sendmsg (net/socket.c:2752)
[    9.884957][  T202]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.885098][  T202]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    9.885279][  T202]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[    9.885420][  T202]  __sys_sendmsg (net/socket.c:2784)
[    9.885557][  T202]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.885710][  T202]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[    9.885846][  T202]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.885985][  T202]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.886121][  T202]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.886262][  T202]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.886398][  T202]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.886572][  T202] RIP: 0033:0x7f583723a08e
[    9.886716][  T202] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.887205][  T202] RSP: 002b:00007ffdeffed780 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.887417][  T202] RAX: ffffffffffffffda RBX: 00007ffdeffedf28 RCX: 00007f583723a08e
[    9.887628][  T202] RDX: 0000000000000000 RSI: 00007ffdeffed830 RDI: 0000000000000005
[    9.887832][  T202] RBP: 00007ffdeffed790 R08: 0000000000000000 R09: 0000000000000000
[    9.888035][  T202] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ea46
[    9.888277][  T202] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdeffedef0
| [    9.977216][  T205] ------------[ cut here ]------------
| [    9.977402][  T205] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/205
| [    9.977646][  T205] Modules linked in:
| [    9.978029][  T205] Tainted: [W]=WARN
[    9.978137][  T205] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.978312][  T205] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.978489][  T205] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e5 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e5 f0 ff       	call   0xfffffffffff0e574
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e5 f0 ff       	call   0xfffffffffff0e54a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.978972][  T205] RSP: 0018:ffa0000000a47030 EFLAGS: 00010286
[    9.979142][  T205] RAX: 00000000ffffffa6 RBX: ff1100001680ac80 RCX: 1ff4000000148dcc
[    9.979344][  T205] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100001680ad38
[    9.979546][  T205] RBP: ff1100000d2c1000 R08: 1fe2200002d015a8 R09: ff11000008d02e58
[    9.979751][  T205] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000001
[    9.979949][  T205] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000d2c1cd1
[    9.980152][  T205] FS:  00007f561257f840(0000) GS:ff1100008c9c3000(0000) knlGS:0000000000000000
[    9.980394][  T205] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.980561][  T205] CR2: 0000000012fe4988 CR3: 000000000d3d8006 CR4: 0000000000771ef0
[    9.980766][  T205] PKRU: 55555554
[    9.980868][  T205] Call Trace:
[    9.980968][  T205]  <TASK>
[    9.981038][  T205]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.981176][  T205]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.981282][  T205]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.981419][  T205]  __dev_notify_flags (net/core/dev.c:9787)
[    9.981555][  T205]  ? netif_change_name (net/core/dev.c:1495)
[    9.981693][  T205]  ? __dev_change_flags (net/core/dev.c:9752)
[    9.981826][  T205]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[    9.981960][  T205]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[    9.982097][  T205]  netif_change_flags (net/core/dev.c:9820)
[    9.982238][  T205]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    9.982376][  T205]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    9.982511][  T205]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    9.982682][  T205]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.982816][  T205]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.982951][  T205]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    9.983086][  T205]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.983221][  T205]  ? __kernel_text_address (kernel/extable.c:79)
[    9.983363][  T205]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.983499][  T205]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.983639][  T205]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.983774][  T205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.983908][  T205]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.984041][  T205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.984175][  T205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.984312][  T205]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    9.984448][  T205]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[    9.984586][  T205]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    9.984722][  T205]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.984858][  T205]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.984991][  T205]  ? nla_get_range_signed (lib/nlattr.c:270)
[    9.985128][  T205]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    9.985276][  T205]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.985411][  T205]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.985545][  T205]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.985683][  T205]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.985816][  T205]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.985950][  T205]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.986087][  T205]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.986220][  T205]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.986361][  T205]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.986495][  T205]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.986637][  T205]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.986772][  T205]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.986906][  T205]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.987039][  T205]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.987173][  T205]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.987314][  T205]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.987450][  T205]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.987588][  T205]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.987722][  T205]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.987856][  T205]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.987995][  T205]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.988128][  T205]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.988270][  T205]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.988408][  T205]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.988542][  T205]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.988681][  T205]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.988815][  T205]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.988950][  T205]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.989086][  T205]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.989219][  T205]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.989359][  T205]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.989526][  T205]  ? move_addr_to_kernel (net/socket.c:258)
[    9.989663][  T205]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.989797][  T205]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.989934][  T205]  ___sys_sendmsg (net/socket.c:2752)
[    9.990067][  T205]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    9.990240][  T205]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.990385][  T205]  __sys_sendmsg (net/socket.c:2784)
[    9.990521][  T205]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.990658][  T205]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    9.990825][  T205]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    9.990959][  T205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.991093][  T205]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.991226][  T205]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.991366][  T205]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.991503][  T205]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.991673][  T205] RIP: 0033:0x7f56127b908e
[    9.991814][  T205] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.992296][  T205] RSP: 002b:00007ffd6c0618d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.992500][  T205] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f56127b908e
[    9.992705][  T205] RDX: 0000000000000000 RSI: 00007ffd6c061980 RDI: 0000000000000005
[    9.992902][  T205] RBP: 00007ffd6c0618e0 R08: 0000000000000000 R09: 0000000000000000
[    9.993101][  T205] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ea46
[    9.993306][  T205] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd6c062050
| [   10.173292][  T210] ------------[ cut here ]------------
| [   10.173472][  T210] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/210
| [   10.173718][  T210] Modules linked in:
| [   10.174181][  T210] Tainted: [W]=WARN
[   10.174529][  T210] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.174706][  T210] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.174881][  T210] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e5 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e5 f0 ff       	call   0xfffffffffff0e574
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e5 f0 ff       	call   0xfffffffffff0e54a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.175362][  T210] RSP: 0018:ffa00000008a7030 EFLAGS: 00010286
[   10.175531][  T210] RAX: 00000000ffffffa6 RBX: ff11000009108580 RCX: 1ff4000000114dcc
[   10.175738][  T210] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009108638
[   10.175934][  T210] RBP: ff11000016911000 R08: 1fe22000012210c8 R09: ff1100000bdb5158
[   10.176132][  T210] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   10.176336][  T210] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000016911cd1
[   10.176538][  T210] FS:  00007feb42cb3840(0000) GS:ff1100008c943000(0000) knlGS:0000000000000000
[   10.176777][  T210] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.176944][  T210] CR2: 000000000f657988 CR3: 000000000d250001 CR4: 0000000000771ef0
[   10.177143][  T210] PKRU: 55555554
[   10.177246][  T210] Call Trace:
[   10.177346][  T210]  <TASK>
[   10.177415][  T210]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.177555][  T210]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.177664][  T210]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.177799][  T210]  __dev_notify_flags (net/core/dev.c:9787)
[   10.177934][  T210]  ? netif_change_name (net/core/dev.c:1495)
[   10.178069][  T210]  ? __dev_change_flags (net/core/dev.c:9752)
[   10.178204][  T210]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   10.178345][  T210]  ? 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))
[   10.178482][  T210]  netif_change_flags (net/core/dev.c:9820)
[   10.178620][  T210]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   10.178755][  T210]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.178890][  T210]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.179058][  T210]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.179193][  T210]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.179333][  T210]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.179465][  T210]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.179605][  T210]  ? __kernel_text_address (kernel/extable.c:79)
[   10.179741][  T210]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.179877][  T210]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.180015][  T210]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.180148][  T210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.180288][  T210]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.180422][  T210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.180556][  T210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.180693][  T210]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.180828][  T210]  ? __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)
[   10.180961][  T210]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.181096][  T210]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.181240][  T210]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.181376][  T210]  ? nla_get_range_signed (lib/nlattr.c:270)
[   10.181514][  T210]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.181655][  T210]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.181792][  T210]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.181927][  T210]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.182064][  T210]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.182197][  T210]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.182337][  T210]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.182473][  T210]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.182615][  T210]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.182750][  T210]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.182883][  T210]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.183020][  T210]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.183154][  T210]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.183295][  T210]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.183428][  T210]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.183562][  T210]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.183706][  T210]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.183839][  T210]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.183974][  T210]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.184108][  T210]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.184247][  T210]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.184387][  T210]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.184522][  T210]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.184662][  T210]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.184800][  T210]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.184934][  T210]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.185069][  T210]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.185205][  T210]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.185344][  T210]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.185482][  T210]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.185624][  T210]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.185758][  T210]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.185925][  T210]  ? move_addr_to_kernel (net/socket.c:258)
[   10.186060][  T210]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.186194][  T210]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.186337][  T210]  ___sys_sendmsg (net/socket.c:2752)
[   10.186470][  T210]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.186645][  T210]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.186793][  T210]  __sys_sendmsg (net/socket.c:2784)
[   10.186929][  T210]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.187064][  T210]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.187239][  T210]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.187376][  T210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.187514][  T210]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.187653][  T210]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.187789][  T210]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.187925][  T210]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.188094][  T210] RIP: 0033:0x7feb42eed08e
[   10.188242][  T210] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.188729][  T210] RSP: 002b:00007ffd45494910 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.188934][  T210] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007feb42eed08e
[   10.189136][  T210] RDX: 0000000000000000 RSI: 00007ffd454949c0 RDI: 0000000000000005
[   10.189341][  T210] RBP: 00007ffd45494920 R08: 0000000000000000 R09: 0000000000000000
[   10.189542][  T210] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ea46
[   10.189748][  T210] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd45495090
| [   10.391668][  T217] ------------[ cut here ]------------
| [   10.391843][  T217] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/217
| [   10.392086][  T217] Modules linked in:
| [   10.392481][  T217] Tainted: [W]=WARN
[   10.392587][  T217] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.392760][  T217] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.392937][  T217] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e5 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e5 f0 ff       	call   0xfffffffffff0e574
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e5 f0 ff       	call   0xfffffffffff0e54a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.393421][  T217] RSP: 0018:ffa0000000ad7030 EFLAGS: 00010286
[   10.393597][  T217] RAX: 00000000ffffffa6 RBX: ff1100000a18d1c0 RCX: 1ff400000015adcc
[   10.393802][  T217] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000a18d278
[   10.394004][  T217] RBP: ff1100000d2c4000 R08: 1fe2200001431a50 R09: ff11000004b40b58
[   10.394204][  T217] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   10.394407][  T217] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000d2c4cd1
[   10.394612][  T217] FS:  00007fd46e2c3840(0000) GS:ff1100008cac3000(0000) knlGS:0000000000000000
[   10.394846][  T217] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.395016][  T217] CR2: 00000000213b4988 CR3: 0000000016a7d002 CR4: 0000000000771ef0
[   10.395220][  T217] PKRU: 55555554
[   10.395326][  T217] Call Trace:
[   10.395426][  T217]  <TASK>
[   10.395496][  T217]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.395637][  T217]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.395739][  T217]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.395877][  T217]  __dev_notify_flags (net/core/dev.c:9787)
[   10.396008][  T217]  ? netif_change_name (net/core/dev.c:1495)
[   10.396138][  T217]  ? __dev_change_flags (net/core/dev.c:9752)
[   10.396272][  T217]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   10.396403][  T217]  ? 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))
[   10.396534][  T217]  netif_change_flags (net/core/dev.c:9820)
[   10.396687][  T217]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   10.396829][  T217]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.396965][  T217]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.397133][  T217]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.397274][  T217]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.397408][  T217]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.397541][  T217]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.397681][  T217]  ? __kernel_text_address (kernel/extable.c:79)
[   10.397817][  T217]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.397952][  T217]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.398087][  T217]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.398220][  T217]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.398361][  T217]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.398493][  T217]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.398630][  T217]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.398765][  T217]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.398899][  T217]  ? __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)
[   10.399035][  T217]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.399167][  T217]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.399306][  T217]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.399437][  T217]  ? nla_get_range_signed (lib/nlattr.c:270)
[   10.399576][  T217]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.399712][  T217]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.399848][  T217]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.399989][  T217]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.400124][  T217]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.400260][  T217]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.400393][  T217]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.400528][  T217]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.400665][  T217]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.400801][  T217]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.400934][  T217]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.401070][  T217]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.401202][  T217]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.401341][  T217]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.401473][  T217]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.401606][  T217]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.401741][  T217]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.401873][  T217]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.402007][  T217]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.402145][  T217]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.402286][  T217]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.402424][  T217]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.402556][  T217]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.402695][  T217]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.402830][  T217]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.402965][  T217]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.403101][  T217]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.403245][  T217]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.403383][  T217]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.403520][  T217]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.403660][  T217]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.403793][  T217]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.403959][  T217]  ? move_addr_to_kernel (net/socket.c:258)
[   10.404094][  T217]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.404228][  T217]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.404369][  T217]  ___sys_sendmsg (net/socket.c:2752)
[   10.404501][  T217]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.404671][  T217]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.404817][  T217]  __sys_sendmsg (net/socket.c:2784)
[   10.404950][  T217]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.405084][  T217]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.405260][  T217]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.405394][  T217]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.405532][  T217]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.405667][  T217]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.405803][  T217]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.405937][  T217]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.406105][  T217] RIP: 0033:0x7fd46e4fd08e
[   10.406248][  T217] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.406731][  T217] RSP: 002b:00007fffe7961bd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.406933][  T217] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fd46e4fd08e
[   10.407135][  T217] RDX: 0000000000000000 RSI: 00007fffe7961c80 RDI: 0000000000000005
[   10.407339][  T217] RBP: 00007fffe7961be0 R08: 0000000000000000 R09: 0000000000000000
[   10.407538][  T217] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ea46
[   10.407740][  T217] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffe7962350
| [   10.410611][   T39] ------------[ cut here ]------------
| [   10.410789][   T39] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/39
| [   10.411037][   T39] Modules linked in:
| [   10.411620][   T39] Tainted: [W]=WARN
[   10.411717][   T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.411874][   T39] Workqueue: events_unbound linkwatch_event
[   10.412044][   T39] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.412206][   T39] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e5 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e5 f0 ff       	call   0xfffffffffff0e574
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e5 f0 ff       	call   0xfffffffffff0e54a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.412745][   T39] RSP: 0018:ffa00000002bf9e0 EFLAGS: 00010286
[   10.412904][   T39] RAX: 00000000ffffffa6 RBX: ff1100000a18ce40 RCX: 1ff4000000057f02
[   10.413089][   T39] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000a18cef8
[   10.413280][   T39] RBP: ff1100000d2c1000 R08: 1fe22000014319e0 R09: ff11000001d8d1a8
[   10.413463][   T39] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   10.413649][   T39] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   10.413835][   T39] FS:  0000000000000000(0000) GS:ff1100008c9c3000(0000) knlGS:0000000000000000
[   10.414052][   T39] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.414204][   T39] CR2: 000056297e528200 CR3: 0000000011d5d006 CR4: 0000000000771ef0
[   10.414399][   T39] PKRU: 55555554
[   10.414493][   T39] Call Trace:
[   10.414589][   T39]  <TASK>
[   10.414655][   T39]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.414785][   T39]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.414912][   T39]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.415006][   T39]  netif_state_change (net/core/dev.c:1605)
[   10.415133][   T39]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   10.415295][   T39]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   10.415419][   T39]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   10.415543][   T39]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.415675][   T39]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   10.415802][   T39]  ? __linkwatch_run_queue (./include/linux/list.h:561)
[   10.415928][   T39]  process_one_work (kernel/workqueue.c:3314)
[   10.416055][   T39]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   10.416176][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.416309][   T39]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.416436][   T39]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   10.416560][   T39]  kthread (kernel/kthread.c:436)
[   10.416657][   T39]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.416812][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.416935][   T39]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.417061][   T39]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   10.417214][   T39]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   10.417344][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.417466][   T39]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.508947][  T220] ------------[ cut here ]------------
| [   10.509170][  T220] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/220
| [   10.509503][  T220] Modules linked in:
| [   10.509971][  T220] Tainted: [W]=WARN
[   10.510118][  T220] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.510343][  T220] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.510563][  T220] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e5 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e5 f0 ff       	call   0xfffffffffff0e574
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e5 f0 ff       	call   0xfffffffffff0e54a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.511078][  T220] RSP: 0018:ffa0000000af7030 EFLAGS: 00010286
[   10.511302][  T220] RAX: 00000000ffffffa6 RBX: ff1100000750d700 RCX: 1ff400000015edcc
[   10.511549][  T220] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000750d7b8
[   10.511801][  T220] RBP: ff11000016914000 R08: 1fe2200000ea1af8 R09: ff1100000c262e58
[   10.512044][  T220] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   10.512298][  T220] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000016914cd1
[   10.512540][  T220] FS:  00007f724bb9e840(0000) GS:ff1100008ca43000(0000) knlGS:0000000000000000
[   10.512818][  T220] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.513028][  T220] CR2: 0000000032c75988 CR3: 0000000005cd2005 CR4: 0000000000771ef0
[   10.513289][  T220] PKRU: 55555554
[   10.513433][  T220] Call Trace:
[   10.513584][  T220]  <TASK>
[   10.513700][  T220]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.513880][  T220]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.514028][  T220]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.514207][  T220]  __dev_notify_flags (net/core/dev.c:9787)
[   10.514397][  T220]  ? netif_change_name (net/core/dev.c:1495)
[   10.514581][  T220]  ? __dev_change_flags (net/core/dev.c:9752)
[   10.514758][  T220]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   10.514934][  T220]  ? 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))
[   10.515115][  T220]  netif_change_flags (net/core/dev.c:9820)
[   10.515305][  T220]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   10.515483][  T220]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.515667][  T220]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.515877][  T220]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.516055][  T220]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.516248][  T220]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.516426][  T220]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.516613][  T220]  ? __kernel_text_address (kernel/extable.c:79)
[   10.516792][  T220]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.516972][  T220]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.517150][  T220]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.517341][  T220]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.517520][  T220]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.518860][  T220]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.519040][  T220]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.519218][  T220]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.519408][  T220]  ? __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)
[   10.519592][  T220]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.519770][  T220]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.519949][  T220]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.520123][  T220]  ? nla_get_range_signed (lib/nlattr.c:270)
[   10.520316][  T220]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.520498][  T220]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.520682][  T220]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.520857][  T220]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.521034][  T220]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.521209][  T220]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.521400][  T220]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.521586][  T220]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.521764][  T220]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.521941][  T220]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.522117][  T220]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.522308][  T220]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.522485][  T220]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.522670][  T220]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.522847][  T220]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.523035][  T220]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.523225][  T220]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.523415][  T220]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.523601][  T220]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.523779][  T220]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.523955][  T220]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.524137][  T220]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.524325][  T220]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.524504][  T220]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.524694][  T220]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.524871][  T220]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.525051][  T220]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.525244][  T220]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.525421][  T220]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.525608][  T220]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.525979][  T220]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.526157][  T220]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.526376][  T220]  ? move_addr_to_kernel (net/socket.c:258)
[   10.526555][  T220]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.526741][  T220]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.526920][  T220]  ___sys_sendmsg (net/socket.c:2752)
[   10.527095][  T220]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.527317][  T220]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.527507][  T220]  __sys_sendmsg (net/socket.c:2784)
[   10.527693][  T220]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.527867][  T220]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.528077][  T220]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.528266][  T220]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.528443][  T220]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.528625][  T220]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.528801][  T220]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.528980][  T220]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.529186][  T220] RIP: 0033:0x7f724bdd808e
[   10.529380][  T220] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.529890][  T220] RSP: 002b:00007ffcf7f2a880 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.530133][  T220] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f724bdd808e
[   10.530386][  T220] RDX: 0000000000000000 RSI: 00007ffcf7f2a930 RDI: 0000000000000005
[   10.530634][  T220] RBP: 00007ffcf7f2a890 R08: 0000000000000000 R09: 0000000000000000
[   10.530872][  T220] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ea46
[   10.531111][  T220] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcf7f2b000
| [   10.540447][   T38] ------------[ cut here ]------------
| [   10.540586][   T38] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/38
| [   10.540834][   T38] Modules linked in:
| [   10.541205][   T38] Tainted: [W]=WARN
[   10.541304][   T38] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.541454][   T38] Workqueue: events_unbound linkwatch_event
[   10.541620][   T38] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.541778][   T38] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e5 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e5 f0 ff       	call   0xfffffffffff0e574
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e5 f0 ff       	call   0xfffffffffff0e54a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.542207][   T38] RSP: 0018:ffa00000002af9e0 EFLAGS: 00010286
[   10.542365][   T38] RAX: 00000000ffffffa6 RBX: ff1100000a443700 RCX: 1ff4000000055f02
[   10.542544][   T38] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000a4437b8
[   10.542728][   T38] RBP: ff11000016911000 R08: 1fe22000014886f8 R09: ff11000001d8aea8
[   10.542906][   T38] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   10.543084][   T38] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   10.543271][   T38] FS:  0000000000000000(0000) GS:ff1100008cac3000(0000) knlGS:0000000000000000
[   10.543486][   T38] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.543642][   T38] CR2: 00005645a7fea1c8 CR3: 0000000011d5d006 CR4: 0000000000771ef0
[   10.543822][   T38] PKRU: 55555554
[   10.543913][   T38] Call Trace:
[   10.544004][   T38]  <TASK>
[   10.544066][   T38]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.544189][   T38]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.544317][   T38]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.544411][   T38]  netif_state_change (net/core/dev.c:1605)
[   10.544533][   T38]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   10.544690][   T38]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   10.544810][   T38]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   10.544931][   T38]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.545054][   T38]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   10.545175][   T38]  ? __linkwatch_run_queue (./include/linux/list.h:561)
[   10.545301][   T38]  process_one_work (kernel/workqueue.c:3314)
[   10.545430][   T38]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   10.545551][   T38]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.545687][   T38]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.545811][   T38]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   10.545931][   T38]  kthread (kernel/kthread.c:436)
[   10.546021][   T38]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.546172][   T38]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.546296][   T38]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.546419][   T38]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   10.546577][   T38]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   10.546697][   T38]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.546820][   T38]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.615701][  T223] ------------[ cut here ]------------
| [   10.615895][  T223] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/223
| [   10.616170][  T223] Modules linked in:
| [   10.616645][  T223] Tainted: [W]=WARN
[   10.616790][  T223] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.617008][  T223] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.617223][  T223] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e5 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e5 f0 ff       	call   0xfffffffffff0e574
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e5 f0 ff       	call   0xfffffffffff0e54a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.617857][  T223] RSP: 0018:ffa00000007d7030 EFLAGS: 00010286
[   10.618155][  T223] RAX: 00000000ffffffa6 RBX: ff11000008fa0200 RCX: 1ff40000000fadcc
[   10.618480][  T223] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008fa02b8
[   10.618813][  T223] RBP: ff1100000d324000 R08: 1fe22000011f4058 R09: ff1100000cb8ae58
[   10.619136][  T223] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   10.619419][  T223] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000d324cd1
[   10.619662][  T223] FS:  00007fce693ac840(0000) GS:ff1100008ca43000(0000) knlGS:0000000000000000
[   10.619935][  T223] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.620144][  T223] CR2: 000000002abbf988 CR3: 000000000d3ce001 CR4: 0000000000771ef0
[   10.620396][  T223] PKRU: 55555554
[   10.620539][  T223] Call Trace:
[   10.620686][  T223]  <TASK>
[   10.620799][  T223]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.620978][  T223]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.621125][  T223]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.621313][  T223]  __dev_notify_flags (net/core/dev.c:9787)
[   10.621491][  T223]  ? netif_change_name (net/core/dev.c:1495)
[   10.621674][  T223]  ? __dev_change_flags (net/core/dev.c:9752)
[   10.621850][  T223]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   10.622026][  T223]  ? 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))
[   10.622205][  T223]  netif_change_flags (net/core/dev.c:9820)
[   10.622401][  T223]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   10.622584][  T223]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.622761][  T223]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.622969][  T223]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.623146][  T223]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.623336][  T223]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.623511][  T223]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.623698][  T223]  ? __kernel_text_address (kernel/extable.c:79)
[   10.623878][  T223]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.624055][  T223]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.624244][  T223]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.624419][  T223]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.624599][  T223]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.624774][  T223]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.624952][  T223]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.625128][  T223]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.625315][  T223]  ? __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)
[   10.625489][  T223]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.625671][  T223]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.625849][  T223]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.626023][  T223]  ? nla_get_range_signed (lib/nlattr.c:270)
[   10.626202][  T223]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.626395][  T223]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.626580][  T223]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.626754][  T223]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.626930][  T223]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.627105][  T223]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.627293][  T223]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.627473][  T223]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.627659][  T223]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.627840][  T223]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.628016][  T223]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.628194][  T223]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.628382][  T223]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.628559][  T223]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.628742][  T223]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.628918][  T223]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.629100][  T223]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.629284][  T223]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.629462][  T223]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.629645][  T223]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.629822][  T223]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.630002][  T223]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.630176][  T223]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.630370][  T223]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.630548][  T223]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.630731][  T223]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.630909][  T223]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.631086][  T223]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.631276][  T223]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.631456][  T223]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.631639][  T223]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.631817][  T223]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.632022][  T223]  ? move_addr_to_kernel (net/socket.c:258)
[   10.632200][  T223]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.632387][  T223]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.632565][  T223]  ___sys_sendmsg (net/socket.c:2752)
[   10.632749][  T223]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.632958][  T223]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.633148][  T223]  __sys_sendmsg (net/socket.c:2784)
[   10.633338][  T223]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.633512][  T223]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.633728][  T223]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.633903][  T223]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.634080][  T223]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.634266][  T223]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.634444][  T223]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.634627][  T223]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.634833][  T223] RIP: 0033:0x7fce695e608e
[   10.635017][  T223] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.635539][  T223] RSP: 002b:00007ffe7079bc00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.635793][  T223] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fce695e608e
[   10.636030][  T223] RDX: 0000000000000000 RSI: 00007ffe7079bcb0 RDI: 0000000000000005
[   10.636281][  T223] RBP: 00007ffe7079bc10 R08: 0000000000000000 R09: 0000000000000000
[   10.636518][  T223] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ea47
[   10.636764][  T223] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe7079c380
| [   10.730268][   T39] ------------[ cut here ]------------
| [   10.730429][   T39] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/39
| [   10.730676][   T39] Modules linked in:
| [   10.731050][   T39] Tainted: [W]=WARN
[   10.731141][   T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.731297][   T39] Workqueue: events_unbound linkwatch_event
[   10.731456][   T39] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.731624][   T39] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e5 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e5 f0 ff       	call   0xfffffffffff0e574
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e5 f0 ff       	call   0xfffffffffff0e54a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.732059][   T39] RSP: 0018:ffa00000002bf9e0 EFLAGS: 00010286
[   10.732213][   T39] RAX: 00000000ffffffa6 RBX: ff1100000cbace40 RCX: 1ff4000000057f02
[   10.732452][   T39] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000cbacef8
[   10.732636][   T39] RBP: ff1100000d2c4000 R08: 1fe22000019759e0 R09: ff11000001d8d1a8
[   10.732816][   T39] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   10.732992][   T39] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   10.733178][   T39] FS:  0000000000000000(0000) GS:ff1100008cac3000(0000) knlGS:0000000000000000
[   10.733435][   T39] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.733594][   T39] CR2: 00007ff9b74d5668 CR3: 000000000cb46006 CR4: 0000000000771ef0
[   10.733777][   T39] PKRU: 55555554
[   10.733866][   T39] Call Trace:
[   10.733958][   T39]  <TASK>
[   10.734021][   T39]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.734147][   T39]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.734319][   T39]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.734413][   T39]  netif_state_change (net/core/dev.c:1605)
[   10.734535][   T39]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   10.734692][   T39]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   10.734812][   T39]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   10.734933][   T39]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.735057][   T39]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   10.735179][   T39]  ? __linkwatch_run_queue (./include/linux/list.h:561)
[   10.735347][   T39]  process_one_work (kernel/workqueue.c:3314)
[   10.735472][   T39]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   10.735596][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.735722][   T39]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.735851][   T39]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   10.735970][   T39]  kthread (kernel/kthread.c:436)
[   10.736063][   T39]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.736215][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.736402][   T39]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.736525][   T39]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   10.736682][   T39]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   10.736809][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.736935][   T39]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.739693][   T39] ------------[ cut here ]------------
| [   10.739834][   T39] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/39
| [   10.740130][   T39] Modules linked in:
| [   10.740638][   T39] Tainted: [W]=WARN
[   10.740730][   T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.740881][   T39] Workqueue: events_unbound linkwatch_event
[   10.741039][   T39] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.741196][   T39] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e5 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e5 f0 ff       	call   0xfffffffffff0e574
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e5 f0 ff       	call   0xfffffffffff0e54a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.741670][   T39] RSP: 0018:ffa00000002bf9e0 EFLAGS: 00010286
[   10.741820][   T39] RAX: 00000000ffffffa6 RBX: ff1100000cbada80 RCX: 1ff4000000057f02
[   10.741999][   T39] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000cbadb38
[   10.742175][   T39] RBP: ff11000016914000 R08: 1fe2200001975b68 R09: ff11000001d8d1a8
[   10.742361][   T39] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   10.742544][   T39] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   10.742729][   T39] FS:  0000000000000000(0000) GS:ff1100008c9c3000(0000) knlGS:0000000000000000
[   10.742938][   T39] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.743089][   T39] CR2: 000056456ad8cd5c CR3: 0000000011d5d006 CR4: 0000000000771ef0
[   10.743279][   T39] PKRU: 55555554
[   10.743367][   T39] Call Trace:
[   10.743456][   T39]  <TASK>
[   10.743519][   T39]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.743645][   T39]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.743766][   T39]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.743859][   T39]  netif_state_change (net/core/dev.c:1605)
[   10.743979][   T39]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   10.744130][   T39]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   10.744256][   T39]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   10.744377][   T39]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.744497][   T39]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   10.744621][   T39]  ? __linkwatch_run_queue (./include/linux/list.h:561)
[   10.744745][   T39]  process_one_work (kernel/workqueue.c:3314)
[   10.744869][   T39]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   10.744988][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.745111][   T39]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.745282][   T39]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   10.745402][   T39]  kthread (kernel/kthread.c:436)
[   10.745492][   T39]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.745648][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.745769][   T39]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.745888][   T39]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   10.746035][   T39]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   10.746153][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.746310][   T39]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.804776][  T228] ------------[ cut here ]------------
| [   10.804957][  T228] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/228
| [   10.805199][  T228] Modules linked in:
| [   10.805849][  T228] Tainted: [W]=WARN
[   10.805952][  T228] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.806122][  T228] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.806396][  T228] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e5 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e5 f0 ff       	call   0xfffffffffff0e574
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e5 f0 ff       	call   0xfffffffffff0e54a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.806868][  T228] RSP: 0018:ffa0000000b27030 EFLAGS: 00010286
[   10.807034][  T228] RAX: 00000000ffffffa6 RBX: ff1100000c934580 RCX: 1ff4000000164dcc
[   10.807311][  T228] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c934638
[   10.807507][  T228] RBP: ff1100000d329000 R08: 1fe22000019268c8 R09: ff1100000d0fae58
[   10.807784][  T228] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   10.807989][  T228] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000d329cd1
[   10.808197][  T228] FS:  00007fd614fb8840(0000) GS:ff1100008cac3000(0000) knlGS:0000000000000000
[   10.808482][  T228] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.808657][  T228] CR2: 000000003dffa988 CR3: 000000000cb46005 CR4: 0000000000771ef0
[   10.808853][  T228] PKRU: 55555554
[   10.808953][  T228] Call Trace:
[   10.809051][  T228]  <TASK>
[   10.809119][  T228]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.809260][  T228]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.809362][  T228]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.809497][  T228]  __dev_notify_flags (net/core/dev.c:9787)
[   10.809636][  T228]  ? netif_change_name (net/core/dev.c:1495)
[   10.809765][  T228]  ? __dev_change_flags (net/core/dev.c:9752)
[   10.809895][  T228]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   10.810031][  T228]  ? 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))
[   10.810171][  T228]  netif_change_flags (net/core/dev.c:9820)
[   10.810313][  T228]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   10.810449][  T228]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.810597][  T228]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.810767][  T228]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.810899][  T228]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.811032][  T228]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.811161][  T228]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.811299][  T228]  ? __kernel_text_address (kernel/extable.c:79)
[   10.811434][  T228]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.811577][  T228]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.811709][  T228]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.811839][  T228]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.811970][  T228]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.812100][  T228]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.812227][  T228]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.812366][  T228]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.812504][  T228]  ? __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)
[   10.812645][  T228]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.812774][  T228]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.812906][  T228]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.813037][  T228]  ? nla_get_range_signed (lib/nlattr.c:270)
[   10.813172][  T228]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.813316][  T228]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.813451][  T228]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.813585][  T228]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.813714][  T228]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.813845][  T228]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.813975][  T228]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.814109][  T228]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.814247][  T228]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.814377][  T228]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.814510][  T228]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.814647][  T228]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.814779][  T228]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.814916][  T228]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.815052][  T228]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.815180][  T228]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.815320][  T228]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.815449][  T228]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.815586][  T228]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.815720][  T228]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.815856][  T228]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.815990][  T228]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.816120][  T228]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.816258][  T228]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.816391][  T228]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.816525][  T228]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.816670][  T228]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.816803][  T228]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.816935][  T228]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.817069][  T228]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.817200][  T228]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.817336][  T228]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.817503][  T228]  ? move_addr_to_kernel (net/socket.c:258)
[   10.817642][  T228]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.817773][  T228]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.817904][  T228]  ___sys_sendmsg (net/socket.c:2752)
[   10.818033][  T228]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.818199][  T228]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.818351][  T228]  __sys_sendmsg (net/socket.c:2784)
[   10.818482][  T228]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.818620][  T228]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.818785][  T228]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.818917][  T228]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.819047][  T228]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.819177][  T228]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.819312][  T228]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.819443][  T228]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.819610][  T228] RIP: 0033:0x7fd6151f208e
[   10.819750][  T228] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.820226][  T228] RSP: 002b:00007ffe19cf59a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.820429][  T228] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fd6151f208e
[   10.820630][  T228] RDX: 0000000000000000 RSI: 00007ffe19cf5a50 RDI: 0000000000000005
[   10.820835][  T228] RBP: 00007ffe19cf59b0 R08: 0000000000000000 R09: 0000000000000000
[   10.821032][  T228] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ea47
[   10.821226][  T228] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe19cf6120
| [   10.823809][   T39] ------------[ cut here ]------------
| [   10.823953][   T39] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/39
| [   10.824197][   T39] Modules linked in:
| [   10.824728][   T39] Tainted: [W]=WARN
[   10.824822][   T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.824976][   T39] Workqueue: events_unbound linkwatch_event
[   10.825134][   T39] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.825300][   T39] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e5 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e5 f0 ff       	call   0xfffffffffff0e574
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e5 f0 ff       	call   0xfffffffffff0e54a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.825752][   T39] RSP: 0018:ffa00000002bf9e0 EFLAGS: 00010286
[   10.825904][   T39] RAX: 00000000ffffffa6 RBX: ff1100000c935540 RCX: 1ff4000000057f02
[   10.826086][   T39] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c9355f8
[   10.826288][   T39] RBP: ff1100000d329000 R08: 1fe2200001926ac0 R09: ff11000001d8d1a8
[   10.826473][   T39] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   10.826686][   T39] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   10.826870][   T39] FS:  0000000000000000(0000) GS:ff1100008c943000(0000) knlGS:0000000000000000
[   10.827081][   T39] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.827246][   T39] CR2: 000056456ad8cd5c CR3: 000000000d1f9006 CR4: 0000000000771ef0
[   10.827428][   T39] PKRU: 55555554
[   10.827521][   T39] Call Trace:
[   10.827616][   T39]  <TASK>
[   10.827680][   T39]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.827832][   T39]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.827957][   T39]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.828051][   T39]  netif_state_change (net/core/dev.c:1605)
[   10.828176][   T39]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   10.828344][   T39]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   10.828472][   T39]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   10.828604][   T39]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.828729][   T39]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   10.828850][   T39]  ? __linkwatch_run_queue (./include/linux/list.h:561)
[   10.828973][   T39]  process_one_work (kernel/workqueue.c:3314)
[   10.829099][   T39]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   10.829221][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.829357][   T39]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.829485][   T39]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   10.829612][   T39]  kthread (kernel/kthread.c:436)
[   10.829719][   T39]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.829872][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.829994][   T39]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.830121][   T39]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   10.830277][   T39]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   10.830398][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.830520][   T39]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.832326][   T39] ------------[ cut here ]------------
| [   10.832495][   T39] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/39
| [   10.832790][   T39] Modules linked in:
| [   10.833270][   T39] Tainted: [W]=WARN
[   10.833414][   T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.833622][   T39] Workqueue: events_unbound linkwatch_event
[   10.833825][   T39] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.834036][   T39] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e5 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e5 f0 ff       	call   0xfffffffffff0e574
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e5 f0 ff       	call   0xfffffffffff0e54a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.834552][   T39] RSP: 0018:ffa00000002bf9e0 EFLAGS: 00010286
[   10.834762][   T39] RAX: 00000000ffffffa6 RBX: ff1100000c935e00 RCX: 1ff4000000057f02
[   10.834989][   T39] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c935eb8
[   10.835218][   T39] RBP: ff1100000d324000 R08: 1fe2200001926bd8 R09: ff11000001d8d1a8
[   10.835458][   T39] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   10.835700][   T39] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   10.835936][   T39] FS:  0000000000000000(0000) GS:ff1100008ca43000(0000) knlGS:0000000000000000
[   10.836212][   T39] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.836430][   T39] CR2: 00007f478d731000 CR3: 0000000011d5d002 CR4: 0000000000771ef0
[   10.836676][   T39] PKRU: 55555554
[   10.836817][   T39] Call Trace:
[   10.836954][   T39]  <TASK>
[   10.837063][   T39]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.837246][   T39]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.837416][   T39]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.837558][   T39]  netif_state_change (net/core/dev.c:1605)
[   10.837765][   T39]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   10.837969][   T39]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   10.838137][   T39]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   10.838322][   T39]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.838495][   T39]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   10.838670][   T39]  ? __linkwatch_run_queue (./include/linux/list.h:561)
[   10.838841][   T39]  process_one_work (kernel/workqueue.c:3314)
[   10.839042][   T39]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   10.839214][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.839402][   T39]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.839589][   T39]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   10.839758][   T39]  kthread (kernel/kthread.c:436)
[   10.839896][   T39]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.840106][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.840291][   T39]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.840469][   T39]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   10.840677][   T39]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   10.840850][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.841023][   T39]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  116.866175][   T12] ------------[ cut here ]------------
| [  116.866494][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [  116.866765][   T12] Modules linked in: sch_netem
| [  116.867295][   T12] Tainted: [W]=WARN
[  116.867396][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  116.867559][   T12] Workqueue: netns cleanup_net
[  116.867698][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  116.867869][   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 38 e5 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e5 f0 ff       	call   0xfffffffffff0e574
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e5 f0 ff       	call   0xfffffffffff0e54a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  116.868349][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[  116.868517][   T12] RAX: 00000000ffffffa6 RBX: ff11000005093540 RCX: 1ff4000000018eaf
[  116.868713][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000050935f8
[  116.868916][   T12] RBP: ff11000016911000 R08: 1fe2200000a126c0 R09: ff11000001b051d0
[  116.869112][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[  116.869311][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000016914000
[  116.869508][   T12] FS:  0000000000000000(0000) GS:ff1100008cac3000(0000) knlGS:0000000000000000
[  116.869738][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  116.869904][   T12] CR2: 000056456ad8cd5c CR3: 000000000d1f9006 CR4: 0000000000771ef0
[  116.870103][   T12] PKRU: 55555554
[  116.870200][   T12] Call Trace:
[  116.870304][   T12]  <TASK>
[  116.870374][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  116.870564][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  116.870665][   T12]  netif_close_many (net/core/dev.c:1804)
[  116.870795][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  116.870932][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  116.871065][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  116.871195][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  116.871334][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[  116.871498][   T12]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[  116.871629][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[  116.871791][   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)
[  116.871924][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  116.872084][   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)
[  116.872213][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  116.872351][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  116.872514][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[  116.872646][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  116.872776][   T12]  ? generic_xdp_install (./include/linux/netdevice.h:5659)
[  116.872904][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  116.873039][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  116.873170][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  116.873306][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  116.873438][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  116.873568][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[  116.873697][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  116.873833][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  116.873969][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  116.874099][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  116.874239][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  116.874368][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  116.874498][   T12]  process_one_work (kernel/workqueue.c:3314)
[  116.874631][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  116.874763][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  116.874899][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  116.875039][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  116.875168][   T12]  kthread (kernel/kthread.c:436)
[  116.875272][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  116.875437][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  116.875566][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  116.875697][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  116.875861][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  116.875999][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  116.876131][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  116.879824][   T12] ------------[ cut here ]------------
| [  116.879971][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [  116.880237][   T12] Modules linked in: sch_netem
| [  116.880670][   T12] Tainted: [W]=WARN
[  116.880770][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  116.880939][   T12] Workqueue: netns cleanup_net
[  116.881074][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  116.881256][   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 38 e5 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e5 f0 ff       	call   0xfffffffffff0e574
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e5 f0 ff       	call   0xfffffffffff0e54a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  116.881804][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[  116.882055][   T12] RAX: 00000000ffffffa6 RBX: ff110000058cfe00 RCX: 1ff4000000018eaf
[  116.882254][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000058cfeb8
[  116.882451][   T12] RBP: ff11000016914000 R08: 1fe2200000b19fd8 R09: ff11000001b051d0
[  116.882730][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[  116.882930][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000d2c1000
[  116.883127][   T12] FS:  0000000000000000(0000) GS:ff1100008cac3000(0000) knlGS:0000000000000000
[  116.883362][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  116.883526][   T12] CR2: 000056456ad8cd5c CR3: 000000000d1f9006 CR4: 0000000000771ef0
[  116.883721][   T12] PKRU: 55555554
[  116.883818][   T12] Call Trace:
[  116.883920][   T12]  <TASK>
[  116.883988][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  116.884121][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[  116.884259][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  116.884359][   T12]  netif_close_many (net/core/dev.c:1804)
[  116.884490][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  116.884620][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  116.884750][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  116.884879][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  116.885014][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[  116.885173][   T12]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[  116.885309][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[  116.885473][   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)
[  116.885604][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  116.885763][   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)
[  116.885892][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  116.886026][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  116.886188][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[  116.886326][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  116.886456][   T12]  ? generic_xdp_install (./include/linux/netdevice.h:5659)
[  116.886587][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  116.886718][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  116.886848][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  116.886983][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  116.887115][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  116.887251][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[  116.887382][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  116.887515][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  116.887644][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  116.887772][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  116.887904][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  116.888041][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  116.888171][   T12]  process_one_work (kernel/workqueue.c:3314)
[  116.888312][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  116.888453][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  116.888587][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  116.888720][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  116.888847][   T12]  kthread (kernel/kthread.c:436)
[  116.888948][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  116.889108][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  116.889240][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  116.889373][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  116.889658][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  116.889786][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  116.889918][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  116.894726][   T12] ------------[ cut here ]------------
| [  116.894866][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [  116.895126][   T12] Modules linked in: sch_netem
| [  116.895555][   T12] Tainted: [W]=WARN
[  116.895653][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  116.895812][   T12] Workqueue: netns cleanup_net
[  116.895948][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  116.896115][   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 38 e5 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e5 f0 ff       	call   0xfffffffffff0e574
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e5 f0 ff       	call   0xfffffffffff0e54a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  116.896730][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[  116.896894][   T12] RAX: 00000000ffffffa6 RBX: ff11000004b97380 RCX: 1ff4000000018eaf
[  116.897094][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004b97438
[  116.897355][   T12] RBP: ff1100000d2c1000 R08: 1fe2200000972e88 R09: ff11000001b051d0
[  116.897549][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[  116.897740][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000d2c4000
[  116.897937][   T12] FS:  0000000000000000(0000) GS:ff1100008cac3000(0000) knlGS:0000000000000000
[  116.898162][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  116.898395][   T12] CR2: 000056456ad8cd5c CR3: 000000000d1f9006 CR4: 0000000000771ef0
[  116.898590][   T12] PKRU: 55555554
[  116.898685][   T12] Call Trace:
[  116.898781][   T12]  <TASK>
[  116.898848][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  116.898981][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[  116.899111][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  116.899209][   T12]  netif_close_many (net/core/dev.c:1804)
[  116.899386][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  116.899513][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  116.899640][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  116.899769][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  116.899897][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[  116.900060][   T12]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[  116.900189][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[  116.900398][   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)
[  116.900529][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  116.900687][   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)
[  116.900815][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  116.900946][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  116.901108][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[  116.901288][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  116.901419][   T12]  ? generic_xdp_install (./include/linux/netdevice.h:5659)
[  116.901549][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  116.901678][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  116.901806][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  116.901939][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  116.902069][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  116.902198][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[  116.902377][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  116.902509][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  116.902639][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  116.902766][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  116.902895][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  116.903029][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  116.903159][   T12]  process_one_work (kernel/workqueue.c:3314)
[  116.903340][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  116.903469][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  116.903603][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  116.903735][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  116.903864][   T12]  kthread (kernel/kthread.c:436)
[  116.903966][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  116.904125][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  116.904302][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  116.904434][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  116.904597][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  116.904727][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  116.904857][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  116.907521][   T12] ------------[ cut here ]------------
| [  116.907666][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [  116.907925][   T12] Modules linked in: sch_netem
| [  116.908362][   T12] Tainted: [W]=WARN
[  116.908464][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  116.908626][   T12] Workqueue: netns cleanup_net
[  116.908760][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  116.908934][   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 38 e5 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e5 f0 ff       	call   0xfffffffffff0e574
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e5 f0 ff       	call   0xfffffffffff0e54a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  116.909403][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[  116.909566][   T12] RAX: 00000000ffffffa6 RBX: ff11000009524740 RCX: 1ff4000000018eaf
[  116.909759][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000095247f8
[  116.909960][   T12] RBP: ff1100000d2c4000 R08: 1fe22000012a4900 R09: ff11000001b051d0
[  116.910154][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[  116.910353][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008b59000
[  116.910546][   T12] FS:  0000000000000000(0000) GS:ff1100008c943000(0000) knlGS:0000000000000000
[  116.910772][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  116.910938][   T12] CR2: 000056456ac98480 CR3: 0000000011d5d004 CR4: 0000000000771ef0
[  116.911132][   T12] PKRU: 55555554
[  116.911229][   T12] Call Trace:
[  116.911395][   T12]  <TASK>
[  116.911462][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  116.911592][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[  116.911721][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  116.911820][   T12]  netif_close_many (net/core/dev.c:1804)
[  116.911954][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  116.912085][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  116.912213][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  116.912350][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  116.912478][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[  116.912636][   T12]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[  116.912767][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[  116.912935][   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)
[  116.913064][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  116.913226][   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)
[  116.913368][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  116.913495][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  116.913654][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[  116.913787][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  116.913921][   T12]  ? generic_xdp_install (./include/linux/netdevice.h:5659)
[  116.914052][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  116.914181][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  116.914317][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  116.914445][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  116.914577][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  116.914706][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[  116.914834][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  116.914971][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  116.915103][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  116.915237][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  116.915367][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  116.915496][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  116.915626][   T12]  process_one_work (kernel/workqueue.c:3314)
[  116.915759][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  116.915886][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  116.916027][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  116.916159][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  116.916295][   T12]  kthread (kernel/kthread.c:436)
[  116.916392][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  116.916551][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  116.916679][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  116.916810][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  116.916977][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  116.917107][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  116.917241][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  116.919967][   T12] ------------[ cut here ]------------
| [  116.920103][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [  116.920370][   T12] Modules linked in: sch_netem
| [  116.920802][   T12] Tainted: [W]=WARN
[  116.920903][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  116.921083][   T12] Workqueue: netns cleanup_net
[  116.921220][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  116.921396][   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 38 e5 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e5 f0 ff       	call   0xfffffffffff0e574
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e5 f0 ff       	call   0xfffffffffff0e54a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  116.921859][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[  116.922027][   T12] RAX: 00000000ffffffa6 RBX: ff110000051eba80 RCX: 1ff4000000018eaf
[  116.922219][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000051ebb38
[  116.922417][   T12] RBP: ff11000008b59000 R08: 1fe2200000a3d768 R09: ff11000001b051d0
[  116.922610][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[  116.922803][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[  116.923002][   T12] FS:  0000000000000000(0000) GS:ff1100008c943000(0000) knlGS:0000000000000000
[  116.923227][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  116.923396][   T12] CR2: 000056456ac98480 CR3: 0000000011d5d004 CR4: 0000000000771ef0
[  116.923593][   T12] PKRU: 55555554
[  116.923691][   T12] Call Trace:
[  116.923790][   T12]  <TASK>
[  116.923858][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  116.923992][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[  116.924122][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  116.924222][   T12]  netif_close_many (net/core/dev.c:1804)
[  116.924358][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  116.924489][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  116.924618][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  116.924747][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  116.924877][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[  116.925042][   T12]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[  116.925171][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[  116.925340][   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)
[  116.925470][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  116.925630][   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)
[  116.925758][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  116.925884][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  116.926051][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[  116.926182][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  116.926322][   T12]  ? generic_xdp_install (./include/linux/netdevice.h:5659)
[  116.926452][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  116.926580][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  116.926708][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  116.926836][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  116.926975][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  116.927105][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[  116.927237][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  116.927370][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  116.927503][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  116.927630][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  116.927761][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  116.927888][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  116.928020][   T12]  process_one_work (kernel/workqueue.c:3314)
[  116.928151][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  116.928290][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  116.928426][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  116.928558][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  116.928686][   T12]  kthread (kernel/kthread.c:436)
[  116.928782][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  116.928946][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  116.929075][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  116.929205][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  116.929373][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  116.929500][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  116.929629][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  116.941917][   T12] ------------[ cut here ]------------
| [  116.942095][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  116.942399][   T12] Modules linked in: sch_netem
| [  116.942896][   T12] Tainted: [W]=WARN
[  116.943046][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  116.943265][   T12] Workqueue: netns cleanup_net
[  116.943441][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  116.943650][   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 38 e5 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e5 f0 ff       	call   0xfffffffffff0e574
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e5 f0 ff       	call   0xfffffffffff0e54a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  116.944156][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[  116.944458][   T12] RAX: 00000000ffffffa6 RBX: ff110000093ad700 RCX: 1ff4000000018ed5
[  116.944753][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000093ad7b8
[  116.945053][   T12] RBP: ff11000016911000 R08: 1fe2200001275af8 R09: ff11000001b051d0
[  116.945369][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  116.945638][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  116.945917][   T12] FS:  0000000000000000(0000) GS:ff1100008ca43000(0000) knlGS:0000000000000000
[  116.946176][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  116.946388][   T12] CR2: 00007f3206494db0 CR3: 0000000011d5d004 CR4: 0000000000771ef0
[  116.946622][   T12] PKRU: 55555554
[  116.946759][   T12] Call Trace:
[  116.946897][   T12]  <TASK>
[  116.947017][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  116.947225][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  116.947437][   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)
[  116.947607][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  116.947776][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  116.947993][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  116.948167][   T12]  ? generic_xdp_install (./include/linux/netdevice.h:5659)
[  116.948345][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  116.948518][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  116.948698][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  116.948875][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  116.949054][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  116.949243][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[  116.949412][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  116.949588][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  116.949786][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  116.950021][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  116.950209][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  116.950395][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  116.950572][   T12]  process_one_work (kernel/workqueue.c:3314)
[  116.950748][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  116.950925][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  116.951102][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  116.951290][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  116.951465][   T12]  kthread (kernel/kthread.c:436)
[  116.951606][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  116.951811][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  116.951988][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  116.952162][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  116.952373][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  116.952553][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  116.952723][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  116.963794][   T12] ------------[ cut here ]------------
| [  116.963976][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  116.964276][   T12] Modules linked in: sch_netem
| [  116.964773][   T12] Tainted: [W]=WARN
[  116.964918][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  116.965120][   T12] Workqueue: netns cleanup_net
[  116.965309][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  116.965516][   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 38 e5 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e5 f0 ff       	call   0xfffffffffff0e574
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e5 f0 ff       	call   0xfffffffffff0e54a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  116.966011][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[  116.966221][   T12] RAX: 00000000ffffffa6 RBX: ff1100000bc2c900 RCX: 1ff4000000018ed5
[  116.966496][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000bc2c9b8
[  116.966800][   T12] RBP: ff11000016914000 R08: 1fe2200001785938 R09: ff11000001b051d0
[  116.967036][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  116.967280][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  116.967512][   T12] FS:  0000000000000000(0000) GS:ff1100008ca43000(0000) knlGS:0000000000000000
[  116.967775][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  116.967986][   T12] CR2: 00007f3206494db0 CR3: 0000000011d5d004 CR4: 0000000000771ef0
[  116.968216][   T12] PKRU: 55555554
[  116.968370][   T12] Call Trace:
[  116.968510][   T12]  <TASK>
[  116.968620][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  116.968825][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  116.969032][   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)
[  116.969205][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  116.969389][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  116.969596][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  116.969774][   T12]  ? generic_xdp_install (./include/linux/netdevice.h:5659)
[  116.969954][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  116.970128][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  116.970313][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  116.970484][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  116.970657][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  116.970828][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[  116.971009][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  116.971185][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  116.971371][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  116.971566][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  116.971740][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  116.971919][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  116.972093][   T12]  process_one_work (kernel/workqueue.c:3314)
[  116.972285][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  116.972512][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  116.972724][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  116.972902][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  116.973105][   T12]  kthread (kernel/kthread.c:436)
[  116.973259][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  116.973508][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  116.973737][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  116.973973][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  116.974265][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  116.974500][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  116.974729][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  116.980097][   T12] ------------[ cut here ]------------
| [  116.980293][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  116.980684][   T12] Modules linked in: sch_netem
| [  116.981937][   T12] Tainted: [W]=WARN
[  116.982131][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  116.982389][   T12] Workqueue: netns cleanup_net
[  116.982612][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  116.982875][   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 38 e5 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e5 f0 ff       	call   0xfffffffffff0e574
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e5 f0 ff       	call   0xfffffffffff0e54a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  116.983425][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[  116.983703][   T12] RAX: 00000000ffffffa6 RBX: ff1100000caa4ac0 RCX: 1ff4000000018ed5
[  116.983991][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000caa4b78
[  116.984291][   T12] RBP: ff1100000d2c1000 R08: 1fe2200001954970 R09: ff11000001b051d0
[  116.984569][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  116.984846][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  116.985138][   T12] FS:  0000000000000000(0000) GS:ff1100008ca43000(0000) knlGS:0000000000000000
[  116.985459][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  116.985707][   T12] CR2: 00007f3206494db0 CR3: 0000000011d5d004 CR4: 0000000000771ef0
[  116.985992][   T12] PKRU: 55555554
[  116.986209][   T12] Call Trace:
[  116.986407][   T12]  <TASK>
[  116.986561][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  116.986809][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  116.987060][   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)
[  116.987291][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  116.987505][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  116.987755][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  116.987981][   T12]  ? generic_xdp_install (./include/linux/netdevice.h:5659)
[  116.988198][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  116.988426][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  116.988643][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  116.988857][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  116.989095][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  116.989367][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[  116.989621][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  116.989902][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  116.990337][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  116.990600][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  116.990868][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  116.991227][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  116.991552][   T12]  process_one_work (kernel/workqueue.c:3314)
[  116.991723][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  116.991978][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  116.992156][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  116.992347][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  116.992517][   T12]  kthread (kernel/kthread.c:436)
[  116.992658][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  116.992938][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  116.993110][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  116.993300][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  116.993504][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  116.993750][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  116.993930][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  117.008696][   T12] ------------[ cut here ]------------
| [  117.008840][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [  117.009090][   T12] Modules linked in: sch_netem
| [  117.009527][   T12] Tainted: [W]=WARN
[  117.009620][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  117.009776][   T12] Workqueue: netns cleanup_net
[  117.009905][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  117.010073][   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 38 e5 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e5 f0 ff       	call   0xfffffffffff0e574
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e5 f0 ff       	call   0xfffffffffff0e54a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  117.010570][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[  117.010728][   T12] RAX: 00000000ffffffa6 RBX: ff1100000caa5a80 RCX: 1ff4000000018ed5
[  117.010918][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000caa5b38
[  117.011104][   T12] RBP: ff1100000d2c4000 R08: 1fe2200001954b68 R09: ff11000001b051d0
[  117.011338][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[  117.011521][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  117.011754][   T12] FS:  0000000000000000(0000) GS:ff1100008cac3000(0000) knlGS:0000000000000000
[  117.011974][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  117.012132][   T12] CR2: 00007f52fb69c574 CR3: 0000000011d5d004 CR4: 0000000000771ef0
[  117.012365][   T12] PKRU: 55555554
[  117.012458][   T12] Call Trace:
[  117.012550][   T12]  <TASK>
[  117.012614][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  117.012774][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  117.012932][   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)
[  117.013060][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  117.013183][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  117.013388][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  117.013512][   T12]  ? generic_xdp_install (./include/linux/netdevice.h:5659)
[  117.013635][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  117.013760][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  117.013885][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  117.014016][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  117.014143][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  117.014317][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[  117.014439][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  117.014566][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  117.014690][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  117.014814][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  117.014944][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  117.015068][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  117.015197][   T12]  process_one_work (kernel/workqueue.c:3314)
[  117.015371][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  117.015494][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  117.015623][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  117.015753][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  117.015886][   T12]  kthread (kernel/kthread.c:436)
[  117.015987][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  117.016144][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  117.016317][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  117.016442][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  117.016596][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  117.016721][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  117.016845][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  117.019894][   T12] ------------[ cut here ]------------
| [  117.020043][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [  117.020301][   T12] Modules linked in: sch_netem
| [  117.020711][   T12] Tainted: [W]=WARN
[  117.020804][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  117.020963][   T12] Workqueue: netns cleanup_net
[  117.021092][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  117.021267][   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 38 e5 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e5 f0 ff       	call   0xfffffffffff0e574
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e5 f0 ff       	call   0xfffffffffff0e54a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  117.021706][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[  117.021861][   T12] RAX: 00000000ffffffa6 RBX: ff11000001ee91c0 RCX: 1ff4000000018ed5
[  117.022054][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000001ee9278
[  117.022245][   T12] RBP: ff11000008b59000 R08: 1fe22000003dd250 R09: ff11000001b051d0
[  117.022429][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[  117.022614][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  117.022802][   T12] FS:  0000000000000000(0000) GS:ff1100008c9c3000(0000) knlGS:0000000000000000
[  117.023022][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  117.023179][   T12] CR2: 000056456ad8cd5c CR3: 000000000d1f9005 CR4: 0000000000771ef0
[  117.023370][   T12] PKRU: 55555554
[  117.023463][   T12] Call Trace:
[  117.023555][   T12]  <TASK>
[  117.023620][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  117.023780][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  117.023937][   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)
[  117.024063][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  117.024186][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  117.024351][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  117.024475][   T12]  ? generic_xdp_install (./include/linux/netdevice.h:5659)
[  117.024597][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  117.024724][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  117.024849][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  117.024975][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  117.025107][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  117.025248][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[  117.025373][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  117.025504][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  117.025630][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  117.025753][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  117.025882][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  117.026009][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  117.026136][   T12]  process_one_work (kernel/workqueue.c:3314)
[  117.026271][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  117.026395][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  117.026526][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  117.026654][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  117.026778][   T12]  kthread (kernel/kthread.c:436)
[  117.026871][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  117.027032][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  117.027157][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  117.027290][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  117.027448][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  117.027571][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  117.027694][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  117.067398][   T12] ------------[ cut here ]------------
| [  117.067560][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [  117.067867][   T12] Modules linked in: sch_netem
| [  117.068339][   T12] Tainted: [W]=WARN
[  117.068437][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  117.068598][   T12] Workqueue: netns cleanup_net
[  117.068738][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  117.068905][   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 38 e5 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e5 f0 ff       	call   0xfffffffffff0e574
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e5 f0 ff       	call   0xfffffffffff0e54a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  117.069373][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[  117.069535][   T12] RAX: 00000000ffffffa6 RBX: ff11000001ee8580 RCX: 1ff4000000018eaf
[  117.069728][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000001ee8638
[  117.069923][   T12] RBP: ff1100000d324000 R08: 1fe22000003dd0c8 R09: ff11000001b051d0
[  117.070112][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[  117.070308][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000d329000
[  117.070501][   T12] FS:  0000000000000000(0000) GS:ff1100008c9c3000(0000) knlGS:0000000000000000
[  117.070723][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  117.070885][   T12] CR2: 000056456ad8cd5c CR3: 0000000011d5d001 CR4: 0000000000771ef0
[  117.071078][   T12] PKRU: 55555554
[  117.071173][   T12] Call Trace:
[  117.071276][   T12]  <TASK>
[  117.071346][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  117.071477][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  117.071574][   T12]  netif_close_many (net/core/dev.c:1804)
[  117.071702][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  117.071833][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  117.071967][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  117.072094][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  117.072222][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[  117.072443][   T12]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[  117.072574][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[  117.072733][   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)
[  117.072863][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  117.073024][   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)
[  117.073151][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  117.073330][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  117.073489][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[  117.073618][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  117.073746][   T12]  ? generic_xdp_install (./include/linux/netdevice.h:5659)
[  117.073874][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  117.074007][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  117.074135][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  117.074315][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  117.074448][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  117.074629][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[  117.074757][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  117.074888][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  117.075020][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  117.075151][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  117.075331][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  117.075462][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  117.075594][   T12]  process_one_work (kernel/workqueue.c:3314)
[  117.075728][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  117.075857][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  117.075994][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  117.076127][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  117.076280][   T12]  kthread (kernel/kthread.c:436)
[  117.076378][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  117.076546][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  117.076677][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  117.076807][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  117.076972][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  117.077100][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  117.077229][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  117.080878][   T12] ------------[ cut here ]------------
| [  117.081024][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [  117.081419][   T12] Modules linked in: sch_netem
| [  117.081857][   T12] Tainted: [W]=WARN
[  117.081958][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  117.082119][   T12] Workqueue: netns cleanup_net
[  117.082314][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  117.082483][   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 38 e5 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e5 f0 ff       	call   0xfffffffffff0e574
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e5 f0 ff       	call   0xfffffffffff0e54a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  117.082996][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[  117.083158][   T12] RAX: 00000000ffffffa6 RBX: ff11000009b55e00 RCX: 1ff4000000018eaf
[  117.083402][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009b55eb8
[  117.083591][   T12] RBP: ff1100000d329000 R08: 1fe220000136abd8 R09: ff11000001b051d0
[  117.083781][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[  117.083976][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a2b4000
[  117.084167][   T12] FS:  0000000000000000(0000) GS:ff1100008c9c3000(0000) knlGS:0000000000000000
[  117.084445][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  117.084604][   T12] CR2: 000056456ad8cd5c CR3: 0000000011d5d001 CR4: 0000000000771ef0
[  117.084794][   T12] PKRU: 55555554
[  117.084889][   T12] Call Trace:
[  117.084988][   T12]  <TASK>
[  117.085055][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  117.085186][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[  117.085365][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  117.085463][   T12]  netif_close_many (net/core/dev.c:1804)
[  117.085592][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  117.085720][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  117.085848][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  117.085981][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  117.086109][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[  117.086382][   T12]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[  117.086514][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[  117.086674][   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)
[  117.086802][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  117.086963][   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)
[  117.087091][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  117.087217][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  117.087385][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[  117.087520][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  117.087648][   T12]  ? generic_xdp_install (./include/linux/netdevice.h:5659)
[  117.087776][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  117.087903][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  117.088033][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  117.088160][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  117.088299][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  117.088428][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[  117.088555][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  117.088685][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  117.088813][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  117.088943][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  117.089071][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  117.089200][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  117.089335][   T12]  process_one_work (kernel/workqueue.c:3314)
[  117.089466][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  117.089593][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  117.089725][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  117.089858][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  117.089989][   T12]  kthread (kernel/kthread.c:436)
[  117.090085][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  117.090249][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  117.090376][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  117.090508][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  117.090672][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  117.090800][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  117.090932][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  117.093376][   T12] ------------[ cut here ]------------
| [  117.093532][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [  117.093776][   T12] Modules linked in: sch_netem
| [  117.094329][   T12] Tainted: [W]=WARN
[  117.094497][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  117.094658][   T12] Workqueue: netns cleanup_net
[  117.094793][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  117.094963][   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 38 e5 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e5 f0 ff       	call   0xfffffffffff0e574
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e5 f0 ff       	call   0xfffffffffff0e54a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  117.095473][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[  117.095634][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d0e43c0 RCX: 1ff4000000018eaf
[  117.095825][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d0e4478
[  117.096020][   T12] RBP: ff1100000a2b4000 R08: 1fe2200001a1c890 R09: ff11000001b051d0
[  117.096222][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[  117.096456][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[  117.096641][   T12] FS:  0000000000000000(0000) GS:ff1100008c9c3000(0000) knlGS:0000000000000000
[  117.096857][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  117.097018][   T12] CR2: 000056456ad8cd5c CR3: 0000000011d5d001 CR4: 0000000000771ef0
[  117.097212][   T12] PKRU: 55555554
[  117.097354][   T12] Call Trace:
[  117.097451][   T12]  <TASK>
[  117.097518][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  117.097647][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[  117.097778][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  117.097875][   T12]  netif_close_many (net/core/dev.c:1804)
[  117.098005][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  117.098132][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  117.098311][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  117.098439][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  117.098570][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[  117.098732][   T12]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[  117.098887][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[  117.099047][   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)
[  117.099177][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  117.099384][   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)
[  117.099511][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  117.099638][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  117.099798][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[  117.099934][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  117.100063][   T12]  ? generic_xdp_install (./include/linux/netdevice.h:5659)
[  117.100190][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  117.100371][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  117.100500][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  117.100627][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  117.100758][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  117.100890][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[  117.101020][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  117.101152][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  117.101329][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  117.101456][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  117.101585][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  117.101712][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  117.101842][   T12]  process_one_work (kernel/workqueue.c:3314)
[  117.101979][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  117.102106][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  117.102288][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  117.102423][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  117.102551][   T12]  kthread (kernel/kthread.c:436)
[  117.102650][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  117.102813][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  117.102944][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  117.103073][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  117.103281][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  117.103411][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  117.103538][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  117.106846][   T12] ------------[ cut here ]------------
| [  117.106995][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [  117.107251][   T12] Modules linked in: sch_netem
| [  117.107673][   T12] Tainted: [W]=WARN
[  117.107767][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  117.107925][   T12] Workqueue: netns cleanup_net
[  117.108055][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  117.108217][   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 38 e5 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e5 f0 ff       	call   0xfffffffffff0e574
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e5 f0 ff       	call   0xfffffffffff0e54a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  117.108675][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[  117.108844][   T12] RAX: 00000000ffffffa6 RBX: ff11000009b4ae40 RCX: 1ff4000000018ed5
[  117.109033][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009b4aef8
[  117.109218][   T12] RBP: ff1100000d324000 R08: 1fe22000013695e0 R09: ff11000001b051d0
[  117.109413][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[  117.109598][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  117.109784][   T12] FS:  0000000000000000(0000) GS:ff1100008c943000(0000) knlGS:0000000000000000
[  117.110010][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  117.110169][   T12] CR2: 00007f02cc63f680 CR3: 0000000011d5d005 CR4: 0000000000771ef0
[  117.110368][   T12] PKRU: 55555554
[  117.110461][   T12] Call Trace:
[  117.110554][   T12]  <TASK>
[  117.110620][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  117.110783][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  117.110944][   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)
[  117.111069][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  117.111196][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  117.111362][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  117.111488][   T12]  ? generic_xdp_install (./include/linux/netdevice.h:5659)
[  117.111612][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  117.111737][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  117.111861][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  117.111992][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  117.112120][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  117.112250][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[  117.112374][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  117.112503][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  117.112629][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  117.112753][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  117.112877][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  117.113008][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  117.113135][   T12]  process_one_work (kernel/workqueue.c:3314)
[  117.113270][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  117.113394][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  117.113524][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  117.113653][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  117.113777][   T12]  kthread (kernel/kthread.c:436)
[  117.113871][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  117.114033][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  117.114157][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  117.114289][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  117.114447][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  117.114572][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  117.114697][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  117.117903][   T12] ------------[ cut here ]------------
| [  117.118038][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [  117.118290][   T12] Modules linked in: sch_netem
| [  117.118701][   T12] Tainted: [W]=WARN
[  117.118794][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  117.118954][   T12] Workqueue: netns cleanup_net
[  117.119083][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  117.119249][   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 38 e5 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e5 f0 ff       	call   0xfffffffffff0e574
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e5 f0 ff       	call   0xfffffffffff0e54a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  117.119692][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[  117.119848][   T12] RAX: 00000000ffffffa6 RBX: ff11000009b4a200 RCX: 1ff4000000018ed5
[  117.120039][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009b4a2b8
[  117.120224][   T12] RBP: ff1100000d329000 R08: 1fe2200001369458 R09: ff11000001b051d0
[  117.120416][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[  117.120600][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  117.120786][   T12] FS:  0000000000000000(0000) GS:ff1100008c943000(0000) knlGS:0000000000000000
[  117.121010][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  117.121165][   T12] CR2: 00007f02cc63f680 CR3: 0000000011d5d005 CR4: 0000000000771ef0
[  117.121357][   T12] PKRU: 55555554
[  117.121449][   T12] Call Trace:
[  117.121541][   T12]  <TASK>
[  117.121605][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  117.121763][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  117.121923][   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)
[  117.122046][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  117.122170][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  117.122334][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  117.122459][   T12]  ? generic_xdp_install (./include/linux/netdevice.h:5659)
[  117.122582][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  117.122707][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  117.122830][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  117.122956][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  117.123082][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  117.123208][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[  117.123335][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  117.123461][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  117.123586][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  117.123711][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  117.123838][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  117.123966][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  117.124093][   T12]  process_one_work (kernel/workqueue.c:3314)
[  117.124220][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  117.124350][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  117.124478][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  117.124607][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  117.124733][   T12]  kthread (kernel/kthread.c:436)
[  117.124827][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  117.124986][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  117.125109][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  117.125240][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  117.125397][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  117.125521][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  117.125648][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  117.128360][   T12] ------------[ cut here ]------------
| [  117.128491][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [  117.128735][   T12] Modules linked in: sch_netem
| [  117.129148][   T12] Tainted: [W]=WARN
[  117.129249][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  117.129407][   T12] Workqueue: netns cleanup_net
[  117.129537][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  117.129701][   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 38 e5 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e5 f0 ff       	call   0xfffffffffff0e574
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e5 f0 ff       	call   0xfffffffffff0e54a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  117.130147][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[  117.130307][   T12] RAX: 00000000ffffffa6 RBX: ff1100000be95380 RCX: 1ff4000000018ed5
[  117.130542][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000be95438
[  117.130726][   T12] RBP: ff1100000a2b4000 R08: 1fe22000017d2a88 R09: ff11000001b051d0
[  117.130915][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[  117.131100][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  117.131293][   T12] FS:  0000000000000000(0000) GS:ff1100008c943000(0000) knlGS:0000000000000000
[  117.131519][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  117.131674][   T12] CR2: 00007f02cc63f680 CR3: 0000000011d5d005 CR4: 0000000000771ef0
[  117.131858][   T12] PKRU: 55555554
[  117.131955][   T12] Call Trace:
[  117.132049][   T12]  <TASK>
[  117.132118][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  117.132279][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  117.132435][   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)
[  117.132559][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  117.132685][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  117.132843][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  117.132972][   T12]  ? generic_xdp_install (./include/linux/netdevice.h:5659)
[  117.133097][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  117.133223][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  117.133361][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  117.133485][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  117.133611][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  117.133738][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[  117.133862][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  117.133997][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  117.134123][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  117.134252][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  117.134378][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  117.134504][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  117.134637][   T12]  process_one_work (kernel/workqueue.c:3314)
[  117.134766][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  117.134889][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  117.135023][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  117.135152][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  117.135280][   T12]  kthread (kernel/kthread.c:436)
[  117.135376][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  117.135529][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  117.135652][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  117.135777][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  117.135940][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  117.136067][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  117.136194][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  117.212226][   T12] ------------[ cut here ]------------
| [  117.212414][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [  117.212663][   T12] Modules linked in: sch_netem
| [  117.213088][   T12] Tainted: [W]=WARN
[  117.213180][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  117.213337][   T12] Workqueue: netns cleanup_net
[  117.213466][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  117.213626][   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 38 e5 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e5 f0 ff       	call   0xfffffffffff0e574
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e5 f0 ff       	call   0xfffffffffff0e54a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  117.214065][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[  117.214229][   T12] RAX: 00000000ffffffa6 RBX: ff1100000be95a80 RCX: 1ff4000000018eaf
[  117.214419][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000be95b38
[  117.214650][   T12] RBP: ff11000007529000 R08: 1fe22000017d2b68 R09: ff11000001b051d0
[  117.214854][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[  117.215049][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[  117.215247][   T12] FS:  0000000000000000(0000) GS:ff1100008c9c3000(0000) knlGS:0000000000000000
[  117.215462][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  117.215618][   T12] CR2: 00005645a7faa5a8 CR3: 0000000011d5d001 CR4: 0000000000771ef0
[  117.215800][   T12] PKRU: 55555554
[  117.215892][   T12] Call Trace:
[  117.216111][   T12]  <TASK>
[  117.216176][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  117.216320][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  117.216420][   T12]  netif_close_many (net/core/dev.c:1804)
[  117.216546][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  117.216674][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  117.216802][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  117.216933][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  117.217061][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[  117.217219][   T12]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[  117.217407][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[  117.217567][   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)
[  117.217692][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  117.217819][   T12]  ? default_device_exit_net (net/core/dev.c:13033 (discriminator 1))
[  117.217948][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  117.218109][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  117.218290][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  117.218417][   T12]  ? generic_xdp_install (./include/linux/netdevice.h:5659)
[  117.218541][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  117.218669][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  117.218795][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  117.218924][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  117.219057][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  117.219189][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[  117.219360][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  117.219495][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  117.219621][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  117.219748][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  117.219876][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  117.220005][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  117.220131][   T12]  process_one_work (kernel/workqueue.c:3314)
[  117.220266][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  117.220393][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  117.220525][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  117.220659][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  117.220786][   T12]  kthread (kernel/kthread.c:436)
[  117.220882][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  117.221042][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  117.221168][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  117.221304][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  117.221462][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  117.221590][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  117.221715][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  117.224152][   T12] ------------[ cut here ]------------
| [  117.224726][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [  117.224980][   T12] Modules linked in: sch_netem
| [  117.225443][   T12] Tainted: [W]=WARN
[  117.225537][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  117.225693][   T12] Workqueue: netns cleanup_net
[  117.225875][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  117.226042][   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 38 e5 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e5 f0 ff       	call   0xfffffffffff0e574
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e5 f0 ff       	call   0xfffffffffff0e54a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  117.226534][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[  117.226693][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c2df1c0 RCX: 1ff4000000018ed5
[  117.226880][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c2df278
[  117.227071][   T12] RBP: ff11000007529000 R08: 1fe220000185be50 R09: ff11000001b051d0
[  117.227304][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[  117.227489][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  117.227671][   T12] FS:  0000000000000000(0000) GS:ff1100008c943000(0000) knlGS:0000000000000000
[  117.227888][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  117.228048][   T12] CR2: 00007f7ac2b37574 CR3: 0000000011d5d005 CR4: 0000000000771ef0
[  117.228280][   T12] PKRU: 55555554
[  117.228377][   T12] Call Trace:
[  117.228471][   T12]  <TASK>
[  117.228535][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  117.228693][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  117.228848][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  117.228979][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  117.229101][   T12]  ? generic_xdp_install (./include/linux/netdevice.h:5659)
[  117.229226][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  117.229400][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  117.229523][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  117.229646][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  117.229770][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  117.229894][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[  117.230021][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  117.230146][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  117.230352][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  117.230479][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  117.230606][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  117.230731][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  117.230858][   T12]  process_one_work (kernel/workqueue.c:3314)
[  117.230991][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  117.231114][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  117.231345][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  117.231473][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  117.231595][   T12]  kthread (kernel/kthread.c:436)
[  117.231689][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  117.231844][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  117.231970][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  117.232094][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  117.232325][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  117.232449][   T12]  ? kthread_affine_node (kernel/kthread.c:378)


Finger prints:
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:netif_state_change:__linkwatch_run_queue:linkwatch_event
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:netif_close_many:unregister_netdevice_many_notify:default_device_exit_batch
rtmsg_ifinfo_build_skb:unregister_netdevice_many_notify:default_device_exit_batch:ops_undo_list:cleanup_net
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:rtnl_configure_link:veth_newlink
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:rtnl_configure_link:rtnl_newlink_create
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:netif_change_flags:rtnl_newlink
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:register_netdev:loopback_net_init