======================================
| xx__-> [    9.170012][  T185] ------------[ cut here ]------------
| [    9.170243][  T185] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/185
| [    9.170516][  T185] Modules linked in: veth
| [    9.170953][  T185] Tainted: [W]=WARN
[    9.171061][  T185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.171258][  T185] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.171458][  T185] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  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 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   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 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.172034][  T185] RSP: 0018:ffa00000008c6e30 EFLAGS: 00010286
[    9.172216][  T185] RAX: 00000000ffffffa6 RBX: ff11000005135c40 RCX: 1ff4000000118d8c
[    9.172498][  T185] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000005135cf8
[    9.172855][  T185] RBP: ff11000009049000 R08: 1fe2200000a26ba0 R09: ff1100000d0f5180
[    9.173258][  T185] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.173604][  T185] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000b602700
[    9.173825][  T185] FS:  00007ff3e8375840(0000) GS:ff110000aad30000(0000) knlGS:0000000000000000
[    9.174077][  T185] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.174255][  T185] CR2: 000055a0dfafed5c CR3: 000000000c69f005 CR4: 0000000000771ef0
[    9.174507][  T185] PKRU: 55555554
[    9.174638][  T185] Call Trace:
[    9.174745][  T185]  <TASK>
[    9.174821][  T185]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.175095][  T185]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.175334][  T185]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.175481][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.175729][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.175975][  T185]  __dev_notify_flags (net/core/dev.c:9787)
[    9.176131][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.176271][  T185]  ? netif_change_name (net/core/dev.c:1495)
[    9.176420][  T185]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.176577][  T185]  ? preempt_schedule_notrace_thunk (arch/x86/entry/thunk.S:13)
[    9.176756][  T185]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:649 ./include/linux/cpumask.h:1231 ./include/trace/events/preemptirq.h:40)
[    9.176966][  T185]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.177120][  T185]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.177359][  T185]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.177499][  T185] veth_newlink (drivers/net/veth.c:1871) veth
[    9.177666][  T185]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.177845][  T185]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.178009][  T185]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.178150][  T185]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.178308][  T185]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.178453][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.178637][  T185]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.178779][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.178923][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.179064][  T185]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.179206][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.179352][  T185]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.179520][  T185]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.179701][  T185]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.179852][  T185]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.179996][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.180134][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.180273][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.180421][  T185]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.180602][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.180751][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.180895][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.181054][  T185]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.181198][  T185]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.181337][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.181518][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.181762][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.181905][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.182063][  T185]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.182208][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.182353][  T185]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.182495][  T185]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.182687][  T185]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.182839][  T185]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.182981][  T185]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.183119][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.183287][  T185]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.183435][  T185]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.183689][  T185]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.183836][  T185]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.183976][  T185]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.184127][  T185]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.184302][  T185]  ? move_addr_to_kernel (net/socket.c:258)
[    9.184451][  T185]  ___sys_sendmsg (net/socket.c:2752)
[    9.184595][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.184735][  T185]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.184908][  T185]  __sys_sendmsg (net/socket.c:2784)
[    9.185047][  T185]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.185188][  T185]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.185328][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.185489][  T185]  ? 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)
[    9.185643][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.185784][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.185928][  T185]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.186366][  T185]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.186513][  T185]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.186686][  T185]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.186863][  T185] RIP: 0033:0x7ff3e85af08e
[    9.187011][  T185] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.187508][  T185] RSP: 002b:00007ffdfce76220 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.187733][  T185] RAX: ffffffffffffffda RBX: 00007ffdfce769b8 RCX: 00007ff3e85af08e
[    9.187946][  T185] RDX: 0000000000000000 RSI: 00007ffdfce762d0 RDI: 0000000000000005
[    9.188152][  T185] RBP: 00007ffdfce76230 R08: 0000000000000000 R09: 0000000000000000
[    9.188367][  T185] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cfb3
[    9.188601][  T185] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdfce76990
| [    9.209901][  T185] ------------[ cut here ]------------
| [    9.210072][  T185] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/185
| [    9.210327][  T185] Modules linked in: veth
| [    9.210723][  T185] Tainted: [W]=WARN
[    9.210831][  T185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.211002][  T185] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.211178][  T185] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  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 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   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 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.211671][  T185] RSP: 0018:ffa00000008c71b0 EFLAGS: 00010286
[    9.211857][  T185] RAX: 00000000ffffffa6 RBX: ff1100000b73cc80 RCX: 1ff4000000118dfc
[    9.212080][  T185] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b73cd38
[    9.212300][  T185] RBP: ff11000009041000 R08: 1fe22000016e79a8 R09: ff1100000d0f5180
[    9.212529][  T185] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.212752][  T185] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.212972][  T185] FS:  00007ff3e8375840(0000) GS:ff110000aad30000(0000) knlGS:0000000000000000
[    9.213213][  T185] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.213416][  T185] CR2: 000055a0dfafed5c CR3: 000000000c69f005 CR4: 0000000000771ef0
[    9.213627][  T185] PKRU: 55555554
[    9.213731][  T185] Call Trace:
[    9.213840][  T185]  <TASK>
[    9.213914][  T185]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.214052][  T185]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.214154][  T185]  __dev_notify_flags (net/core/dev.c:9787)
[    9.214292][  T185]  ? netif_change_name (net/core/dev.c:1495)
[    9.214464][  T185]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.214627][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.214768][  T185]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.214929][  T185]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.215089][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.215223][  T185]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.215365][  T185]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.215507][  T185]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.215710][  T185]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.215854][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.216015][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.216155][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.216433][  T185]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.216661][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.216942][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.217107][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.217244][  T185]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.217386][  T185]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.217520][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.217765][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.217936][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.218073][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.218209][  T185]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.218344][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.218486][  T185]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.218720][  T185]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.218864][  T185]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.219002][  T185]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.219138][  T185]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.219275][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.219418][  T185]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.219555][  T185]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.219817][  T185]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.219957][  T185]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.220093][  T185]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.220228][  T185]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.220405][  T185]  ? move_addr_to_kernel (net/socket.c:258)
[    9.220547][  T185]  ___sys_sendmsg (net/socket.c:2752)
[    9.220783][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.220922][  T185]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.221083][  T185]  __sys_sendmsg (net/socket.c:2784)
[    9.221218][  T185]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.221363][  T185]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.221501][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.221729][  T185]  ? 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)
[    9.221869][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.222005][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.222140][  T185]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.222274][  T185]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.222415][  T185]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.222553][  T185]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.222736][  T185] RIP: 0033:0x7ff3e85af08e
[    9.222881][  T185] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.223366][  T185] RSP: 002b:00007ffdfce76220 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.223576][  T185] RAX: ffffffffffffffda RBX: 00007ffdfce769b8 RCX: 00007ff3e85af08e
[    9.223782][  T185] RDX: 0000000000000000 RSI: 00007ffdfce762d0 RDI: 0000000000000005
[    9.223990][  T185] RBP: 00007ffdfce76230 R08: 0000000000000000 R09: 0000000000000000
[    9.224192][  T185] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cfb3


Finger prints:
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:rtnl_configure_link:rtnl_newlink_create
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:rtnl_configure_link:veth_newlink