======================================
| xx__-> [   11.356613][  T186] ------------[ cut here ]------------
| [   11.356965][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/186
| [   11.357460][  T186] Modules linked in: veth
| [   11.358262][  T186] Tainted: [W]=WARN
[   11.358440][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.358803][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.359123][  T186] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   11.359985][  T186] RSP: 0018:ffa0000000936e30 EFLAGS: 00010286
[   11.360296][  T186] RAX: 00000000ffffffa6 RBX: ff110000096b43c0 RCX: 1ff4000000126d8c
[   11.360650][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000096b4478
[   11.360992][  T186] RBP: ff11000005b89000 R08: 1fe22000012d6890 R09: ff1100000a342e80
[   11.361337][  T186] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   11.361678][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009076380
[   11.362026][  T186] FS:  00007f6bc920b840(0000) GS:ff11000081530000(0000) knlGS:0000000000000000
[   11.362456][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.362742][  T186] CR2: 00007fa727169574 CR3: 000000000cc5c006 CR4: 0000000000771ef0
[   11.363091][  T186] PKRU: 55555554
[   11.363274][  T186] Call Trace:
[   11.363451][  T186]  <TASK>
[   11.363572][  T186]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   11.363889][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.364151][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.364330][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.364567][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.364802][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[   11.365040][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.365339][  T186]  ? netif_change_name (net/core/dev.c:1495)
[   11.365588][  T186]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   11.365830][  T186]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   11.366064][  T186]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.366313][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.366546][  T186]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.366777][  T186]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   11.367011][  T186] veth_newlink (drivers/net/veth.c:1871) veth
[   11.367280][  T186]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   11.367577][  T186]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.367821][  T186]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.368060][  T186]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.368337][  T186]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   11.368567][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   11.368802][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.369031][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.369282][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   11.369522][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   11.369763][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.369994][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.370242][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.370486][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.370729][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.370970][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.371217][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.371500][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.371731][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.371960][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.372204][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.372436][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.372666][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.372897][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.373141][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.373371][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.373597][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.373814][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.374037][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.374335][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.374559][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.374794][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.375023][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.375276][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.375507][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.375764][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.376001][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.376259][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.376498][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.376736][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.376975][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.377247][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.377533][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[   11.377777][  T186]  ___sys_sendmsg (net/socket.c:2752)
[   11.378009][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.378258][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.378517][  T186]  __sys_sendmsg (net/socket.c:2784)
[   11.378747][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.378978][  T186]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[   11.379219][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.379467][  T186]  ? 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)
[   11.379709][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.379947][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.380217][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.380464][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.380711][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.380957][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.381277][  T186] RIP: 0033:0x7f6bc944508e
[   11.381552][  T186] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.382425][  T186] RSP: 002b:00007ffcc6c41b30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.382797][  T186] RAX: ffffffffffffffda RBX: 00007ffcc6c422c8 RCX: 00007f6bc944508e
[   11.383175][  T186] RDX: 0000000000000000 RSI: 00007ffcc6c41be0 RDI: 0000000000000005
[   11.383537][  T186] RBP: 00007ffcc6c41b40 R08: 0000000000000000 R09: 0000000000000000
[   11.383899][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cac7
[   11.384266][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcc6c422a0
| [   11.402711][  T186] ------------[ cut here ]------------
| [   11.402981][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/186
| [   11.404182][  T186] Modules linked in: veth
| [   11.404836][  T186] Tainted: [W]=WARN
[   11.405012][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.405333][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.405635][  T186] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   11.406454][  T186] RSP: 0018:ffa00000009371b0 EFLAGS: 00010286
[   11.406732][  T186] RAX: 00000000ffffffa6 RBX: ff110000057f8c80 RCX: 1ff4000000126dfc
[   11.407086][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000057f8d38
[   11.407409][  T186] RBP: ff110000087c9000 R08: 1fe2200000aff1a8 R09: ff1100000a342e80
[   11.407745][  T186] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   11.408072][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   11.408442][  T186] FS:  00007f6bc920b840(0000) GS:ff11000081530000(0000) knlGS:0000000000000000
[   11.408838][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.409130][  T186] CR2: 00007fa727169574 CR3: 000000000cc5c006 CR4: 0000000000771ef0
[   11.409471][  T186] PKRU: 55555554
[   11.409639][  T186] Call Trace:
[   11.409810][  T186]  <TASK>
[   11.409928][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.410174][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.410345][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[   11.410569][  T186]  ? netif_change_name (net/core/dev.c:1495)
[   11.410803][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.411024][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.411276][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.411505][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   11.411734][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.411958][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.412198][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.412435][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.412676][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.412907][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.413153][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.413384][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.413605][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.413829][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.414056][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.414324][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.414548][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.414773][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.414995][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.415230][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.415460][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.415682][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.415912][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.416149][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.416375][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.416613][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.416834][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.417060][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.417318][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.417545][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.417773][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.417997][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.418255][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.418487][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.418711][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.418934][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.419209][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[   11.419432][  T186]  ___sys_sendmsg (net/socket.c:2752)
[   11.419647][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.419861][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.420119][  T186]  __sys_sendmsg (net/socket.c:2784)
[   11.420333][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.420537][  T186]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[   11.420742][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.420953][  T186]  ? 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)
[   11.421184][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.421400][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.421609][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.421818][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.422040][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.422260][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.422526][  T186] RIP: 0033:0x7f6bc944508e
[   11.422749][  T186] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.423537][  T186] RSP: 002b:00007ffcc6c41b30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.423858][  T186] RAX: ffffffffffffffda RBX: 00007ffcc6c422c8 RCX: 00007f6bc944508e
[   11.424177][  T186] RDX: 0000000000000000 RSI: 00007ffcc6c41be0 RDI: 0000000000000005
[   11.424490][  T186] RBP: 00007ffcc6c41b40 R08: 0000000000000000 R09: 0000000000000000
[   11.424808][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cac7
[   11.425126][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcc6c422a0
| [   11.638244][  T197] ------------[ cut here ]------------
| [   11.638509][  T197] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/197
| [   11.638899][  T197] Modules linked in: veth
| [   11.639553][  T197] Tainted: [W]=WARN
[   11.639719][  T197] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.639969][  T197] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.640251][  T197] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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
[   11.640986][  T197] RSP: 0018:ffa00000004f6e30 EFLAGS: 00010286
[   11.641285][  T197] RAX: 00000000ffffffa6 RBX: ff11000005de63c0 RCX: 1ff400000009ed8c
[   11.641616][  T197] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000005de6478
[   11.641945][  T197] RBP: ff1100000ca49000 R08: 1fe2200000bbcc90 R09: ff1100000ce22e80
[   11.642288][  T197] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   11.642619][  T197] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a4f3180
[   11.642949][  T197] FS:  00007f2c44341840(0000) GS:ff11000081530000(0000) knlGS:0000000000000000
[   11.643358][  T197] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.643640][  T197] CR2: 000000000042ebe0 CR3: 000000000cc5c005 CR4: 0000000000771ef0
[   11.643972][  T197] PKRU: 55555554
[   11.644273][  T197] Call Trace:
[   11.644445][  T197]  <TASK>
[   11.644562][  T197]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.644791][  T197]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.644957][  T197]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.645194][  T197]  __dev_notify_flags (net/core/dev.c:9787)
[   11.645418][  T197]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.645641][  T197]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:164)
[   11.645861][  T197]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:164)
[   11.646087][  T197]  ? netif_change_name (net/core/dev.c:1495)
[   11.646312][  T197]  ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1061 (discriminator 37) arch/x86/kernel/apic/apic.c:1061 (discriminator 37))
[   11.646590][  T197]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.646825][  T197]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.647057][  T197] veth_newlink (drivers/net/veth.c:1871) veth
[   11.647299][  T197]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   11.647577][  T197]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.647808][  T197]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.648034][  T197]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.648320][  T197]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   11.648551][  T197]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   11.648785][  T197]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.649015][  T197]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.649258][  T197]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   11.649486][  T197]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   11.649721][  T197]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.649951][  T197]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.650191][  T197]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.650435][  T197]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.650661][  T197]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.650883][  T197]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.651113][  T197]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.651334][  T197]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.651552][  T197]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.651770][  T197]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.651982][  T197]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.652211][  T197]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.652430][  T197]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.652643][  T197]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.652860][  T197]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.653087][  T197]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.653315][  T197]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.653536][  T197]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.653762][  T197]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.653975][  T197]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.654322][  T197]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.654548][  T197]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.654764][  T197]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.654981][  T197]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.655214][  T197]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.655440][  T197]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.655663][  T197]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.655884][  T197]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.656104][  T197]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.656330][  T197]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.656547][  T197]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.656765][  T197]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.657041][  T197]  ? move_addr_to_kernel (net/socket.c:258)
[   11.657274][  T197]  ___sys_sendmsg (net/socket.c:2752)
[   11.657486][  T197]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.657706][  T197]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.657941][  T197]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   11.658179][  T197]  __sys_sendmsg (net/socket.c:2784)
[   11.658401][  T197]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.658628][  T197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.658841][  T197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.659056][  T197]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.659286][  T197]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.659506][  T197]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.659723][  T197]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.659988][  T197] RIP: 0033:0x7f2c4457b08e
[   11.660221][  T197] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.660988][  T197] RSP: 002b:00007ffdd645a900 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.661321][  T197] RAX: ffffffffffffffda RBX: 00007ffdd645b098 RCX: 00007f2c4457b08e
[   11.661649][  T197] RDX: 0000000000000000 RSI: 00007ffdd645a9b0 RDI: 0000000000000005
[   11.661975][  T197] RBP: 00007ffdd645a910 R08: 0000000000000000 R09: 0000000000000000
[   11.662310][  T197] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cac8
[   11.662637][  T197] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdd645b070
| [   11.697023][  T197] ------------[ cut here ]------------
| [   11.697296][  T197] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/197
| [   11.697665][  T197] Modules linked in: veth
| [   11.698289][  T197] Tainted: [W]=WARN
[   11.698458][  T197] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.698725][  T197] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.699001][  T197] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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
[   11.699766][  T197] RSP: 0018:ffa00000004f71b0 EFLAGS: 00010286
[   11.700036][  T197] RAX: 00000000ffffffa6 RBX: ff1100000a5651c0 RCX: 1ff400000009edfc
[   11.700464][  T197] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000a565278
[   11.700884][  T197] RBP: ff1100000a2a9000 R08: 1fe22000014aca50 R09: ff1100000ce22e80
[   11.701299][  T197] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   11.701615][  T197] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   11.701930][  T197] FS:  00007f2c44341840(0000) GS:ff11000081530000(0000) knlGS:0000000000000000
[   11.702397][  T197] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.702664][  T197] CR2: 00007fbacc7be0c8 CR3: 000000000cc5c005 CR4: 0000000000771ef0
[   11.702983][  T197] PKRU: 55555554
[   11.703252][  T197] Call Trace:
[   11.703421][  T197]  <TASK>
[   11.703538][  T197]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.703766][  T197]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.703939][  T197]  __dev_notify_flags (net/core/dev.c:9787)
[   11.704340][  T197]  ? netif_change_name (net/core/dev.c:1495)
[   11.704559][  T197]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.704783][  T197]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.705003][  T197]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.705372][  T197]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   11.705585][  T197]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.705793][  T197]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.706000][  T197]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.706387][  T197]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.706606][  T197]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.706817][  T197]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.707029][  T197]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.707273][  T197]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.707485][  T197]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.707692][  T197]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.707924][  T197]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.708154][  T197]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.708377][  T197]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.708589][  T197]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.708805][  T197]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.709011][  T197]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.709236][  T197]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.709447][  T197]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.709660][  T197]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.709877][  T197]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.710107][  T197]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.710345][  T197]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.710570][  T197]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.710794][  T197]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.711018][  T197]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.711248][  T197]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.711471][  T197]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.711697][  T197]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.711917][  T197]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.712145][  T197]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.712358][  T197]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.712567][  T197]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.712842][  T197]  ? move_addr_to_kernel (net/socket.c:258)
[   11.713062][  T197]  ___sys_sendmsg (net/socket.c:2752)
[   11.713286][  T197]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.713505][  T197]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.713735][  T197]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   11.713953][  T197]  __sys_sendmsg (net/socket.c:2784)
[   11.714177][  T197]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.714397][  T197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.714609][  T197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.714822][  T197]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.715045][  T197]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.715262][  T197]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.715468][  T197]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.715729][  T197] RIP: 0033:0x7f2c4457b08e
[   11.715950][  T197] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.716705][  T197] RSP: 002b:00007ffdd645a900 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.717023][  T197] RAX: ffffffffffffffda RBX: 00007ffdd645b098 RCX: 00007f2c4457b08e
[   11.717356][  T197] RDX: 0000000000000000 RSI: 00007ffdd645a9b0 RDI: 0000000000000005
[   11.717673][  T197] RBP: 00007ffdd645a910 R08: 0000000000000000 R09: 0000000000000000
[   11.717993][  T197] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cac8
[   11.718327][  T197] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdd645b070
| [   12.022126][  T211] ------------[ cut here ]------------
| [   12.022337][  T211] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/211
| [   12.022861][  T211] Modules linked in: veth
| [   12.023712][  T211] Tainted: [W]=WARN
[   12.023850][  T211] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.024135][  T211] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.024356][  T211] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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
[   12.024920][  T211] RSP: 0018:ffa00000006b6e30 EFLAGS: 00010286
[   12.025192][  T211] RAX: 00000000ffffffa6 RBX: ff110000096b4e40 RCX: 1ff40000000d6d8c
[   12.025507][  T211] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000096b4ef8
[   12.025726][  T211] RBP: ff11000008094000 R08: 1fe22000012d69e0 R09: ff11000004c4d180
[   12.025944][  T211] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   12.026173][  T211] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ce81200
[   12.026388][  T211] FS:  00007fb788e77840(0000) GS:ff11000081530000(0000) knlGS:0000000000000000
[   12.026648][  T211] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.026828][  T211] CR2: 000000000042ebe0 CR3: 000000000ce9e003 CR4: 0000000000771ef0
[   12.027058][  T211] PKRU: 55555554
[   12.027229][  T211] Call Trace:
[   12.027390][  T211]  <TASK>
[   12.027504][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.027716][  T211]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.027863][  T211]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.027973][  T211]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   12.028130][  T211]  __dev_notify_flags (net/core/dev.c:9787)
[   12.028280][  T211]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   12.028424][  T211]  ? 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)
[   12.028566][  T211]  ? netif_change_name (net/core/dev.c:1495)
[   12.028710][  T211]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.028851][  T211]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.028997][  T211]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.029154][  T211]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.029302][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.029448][  T211]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.029592][  T211]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   12.029740][  T211]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   12.029888][  T211]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   12.030036][  T211] veth_newlink (drivers/net/veth.c:1871) veth
[   12.030274][  T211]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   12.030456][  T211]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.030603][  T211]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.030763][  T211]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   12.030925][  T211]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   12.031069][  T211]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   12.031346][  T211]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   12.031558][  T211]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   12.031706][  T211]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   12.031851][  T211]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   12.031996][  T211]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.032150][  T211]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.032301][  T211]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.032460][  T211]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.032684][  T211]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.032888][  T211]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.033114][  T211]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.033338][  T211]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.033554][  T211]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.033777][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.033974][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.034199][  T211]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.034439][  T211]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.034663][  T211]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.034807][  T211]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.034951][  T211]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.035111][  T211]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.035265][  T211]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.035471][  T211]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.035618][  T211]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.035766][  T211]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.035912][  T211]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.036055][  T211]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.036230][  T211]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.036394][  T211]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.036578][  T211]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.036722][  T211]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.036869][  T211]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.037013][  T211]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.037173][  T211]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.037344][  T211]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.037489][  T211]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.037674][  T211]  ? move_addr_to_kernel (net/socket.c:258)
[   12.037878][  T211]  ___sys_sendmsg (net/socket.c:2752)
[   12.038073][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.038229][  T211]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.038455][  T211]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   12.038638][  T211]  __sys_sendmsg (net/socket.c:2784)
[   12.038790][  T211]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.039018][  T211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.039254][  T211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.039473][  T211]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.039629][  T211]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.039783][  T211]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.039933][  T211]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.040119][  T211] RIP: 0033:0x7fb7890b108e
[   12.040284][  T211] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.040852][  T211] RSP: 002b:00007fffa8da4140 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.041134][  T211] RAX: ffffffffffffffda RBX: 00007fffa8da48d8 RCX: 00007fb7890b108e
[   12.041423][  T211] RDX: 0000000000000000 RSI: 00007fffa8da41f0 RDI: 0000000000000005
[   12.041673][  T211] RBP: 00007fffa8da4150 R08: 0000000000000000 R09: 0000000000000000
[   12.041921][  T211] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cac8
[   12.042149][  T211] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffa8da48b0
| [   12.065440][  T211] ------------[ cut here ]------------
| [   12.065693][  T211] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/211
| [   12.066065][  T211] Modules linked in: veth
| [   12.066993][  T211] Tainted: [W]=WARN
[   12.067111][  T211] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.067299][  T211] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.067489][  T211] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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
[   12.067998][  T211] RSP: 0018:ffa00000006b71b0 EFLAGS: 00010286
[   12.068192][  T211] RAX: 00000000ffffffa6 RBX: ff11000004b3a200 RCX: 1ff40000000d6dfc
[   12.068403][  T211] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004b3a2b8
[   12.068614][  T211] RBP: ff110000085bc000 R08: 1fe2200000967458 R09: ff11000004c4d180
[   12.068830][  T211] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   12.069041][  T211] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   12.069268][  T211] FS:  00007fb788e77840(0000) GS:ff11000081530000(0000) knlGS:0000000000000000
[   12.069592][  T211] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.069768][  T211] CR2: 0000563fee44ee78 CR3: 000000000ce9e003 CR4: 0000000000771ef0
[   12.069975][  T211] PKRU: 55555554
[   12.070088][  T211] Call Trace:
[   12.070203][  T211]  <TASK>
[   12.070275][  T211]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.070420][  T211]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.070561][  T211]  __dev_notify_flags (net/core/dev.c:9787)
[   12.070777][  T211]  ? netif_change_name (net/core/dev.c:1495)
[   12.070929][  T211]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   12.071083][  T211]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   12.071231][  T211]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   12.071375][  T211]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   12.071521][  T211]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.071700][  T211]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.071905][  T211]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.072055][  T211]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.072237][  T211]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.072403][  T211]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.072546][  T211]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.072696][  T211]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.072909][  T211]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.073055][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.073213][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.073355][  T211]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.073493][  T211]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.073633][  T211]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.073806][  T211]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.074006][  T211]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.074241][  T211]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.074454][  T211]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.074678][  T211]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.074888][  T211]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.075042][  T211]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.075204][  T211]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.075344][  T211]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.075488][  T211]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.075631][  T211]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.075772][  T211]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.075915][  T211]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.076057][  T211]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.076210][  T211]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.076355][  T211]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.076501][  T211]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.076642][  T211]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.076817][  T211]  ? move_addr_to_kernel (net/socket.c:258)
[   12.076962][  T211]  ___sys_sendmsg (net/socket.c:2752)
[   12.077117][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.077287][  T211]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.077441][  T211]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   12.077583][  T211]  __sys_sendmsg (net/socket.c:2784)
[   12.077740][  T211]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.077968][  T211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.078129][  T211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.078277][  T211]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.078419][  T211]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.078560][  T211]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.078704][  T211]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.078909][  T211] RIP: 0033:0x7fb7890b108e
[   12.079122][  T211] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.079858][  T211] RSP: 002b:00007fffa8da4140 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.080108][  T211] RAX: ffffffffffffffda RBX: 00007fffa8da48d8 RCX: 00007fb7890b108e
[   12.080328][  T211] RDX: 0000000000000000 RSI: 00007fffa8da41f0 RDI: 0000000000000005
[   12.080542][  T211] RBP: 00007fffa8da4150 R08: 0000000000000000 R09: 0000000000000000
[   12.080810][  T211] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cac8


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