======================================
| xx__-> [    9.568389][  T185] ------------[ cut here ]------------
| [    9.568652][  T185] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/185
| [    9.569039][  T185] Modules linked in: veth
| [    9.569531][  T185] Tainted: [W]=WARN
[    9.569640][  T185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.569949][  T185] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.570145][  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
[    9.570674][  T185] RSP: 0018:ffa0000000936e30 EFLAGS: 00010286
[    9.570975][  T185] RAX: 00000000ffffffa6 RBX: ff11000009238900 RCX: 1ff4000000126d8c
[    9.571209][  T185] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000092389b8
[    9.571419][  T185] RBP: ff11000009061000 R08: 1fe2200001247138 R09: ff11000012740b80
[    9.571634][  T185] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.571973][  T185] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000aee7500
[    9.572204][  T185] FS:  00007f496b480840(0000) GS:ff110000a1bb0000(0000) knlGS:0000000000000000
[    9.572459][  T185] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.572642][  T185] CR2: 00007f9df5569808 CR3: 0000000012ca8006 CR4: 0000000000771ef0
[    9.572917][  T185] PKRU: 55555554
[    9.573022][  T185] Call Trace:
[    9.573127][  T185]  <TASK>
[    9.573221][  T185]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.573398][  T185]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.573545][  T185]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.573658][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.573882][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.574136][  T185]  __dev_notify_flags (net/core/dev.c:9787)
[    9.574294][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.574436][  T185]  ? netif_change_name (net/core/dev.c:1495)
[    9.574582][  T185]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.574789][  T185]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.574930][  T185]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.575070][  T185]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.575226][  T185]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.575367][  T185]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.575510][  T185] veth_newlink (drivers/net/veth.c:1871) veth
[    9.575653][  T185]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.575892][  T185]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.576037][  T185]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.576185][  T185]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.576343][  T185]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.576486][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.576631][  T185]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.576834][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.576979][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.577122][  T185]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.577281][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.577435][  T185]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.577592][  T185]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.577807][  T185]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.577958][  T185]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.578101][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.578264][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.578413][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.578555][  T185]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.578695][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.578903][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.579043][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.579202][  T185]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.579344][  T185]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.579485][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.579626][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.579834][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.579979][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.580130][  T185]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.580289][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.580433][  T185]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.580578][  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))
[    9.580778][  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))
[    9.580925][  T185]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.581069][  T185]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.581228][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.581376][  T185]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.581521][  T185]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.581662][  T185]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.581869][  T185]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.582011][  T185]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.582156][  T185]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.582345][  T185]  ? move_addr_to_kernel (net/socket.c:258)
[    9.582493][  T185]  ___sys_sendmsg (net/socket.c:2752)
[    9.582634][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.582839][  T185]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.582994][  T185]  __sys_sendmsg (net/socket.c:2784)
[    9.583138][  T185]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.583294][  T185]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.583434][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.583577][  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)
[    9.583781][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.583925][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.584067][  T185]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.584242][  T185]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.584390][  T185]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.584532][  T185]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.584708][  T185] RIP: 0033:0x7f496b6ba08e
[    9.585053][  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
[    9.585573][  T185] RSP: 002b:00007fff866280b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.585851][  T185] RAX: ffffffffffffffda RBX: 00007fff86628848 RCX: 00007f496b6ba08e
[    9.586062][  T185] RDX: 0000000000000000 RSI: 00007fff86628160 RDI: 0000000000000005
[    9.586293][  T185] RBP: 00007fff866280c0 R08: 0000000000000000 R09: 0000000000000000
[    9.586504][  T185] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c628
[    9.586799][  T185] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff86628820
| [    9.602670][  T185] ------------[ cut here ]------------
| [    9.602979][  T185] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/185
| [    9.603237][  T185] Modules linked in: veth
| [    9.603628][  T185] Tainted: [W]=WARN
[    9.603738][  T185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.603910][  T185] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.604092][  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
[    9.604608][  T185] RSP: 0018:ffa00000009371b0 EFLAGS: 00010286
[    9.604796][  T185] RAX: 00000000ffffffa6 RBX: ff110000124b4200 RCX: 1ff4000000126dfc
[    9.605006][  T185] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000124b42b8
[    9.605222][  T185] RBP: ff110000075c9000 R08: 1fe2200002496858 R09: ff11000012740b80
[    9.605429][  T185] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.605634][  T185] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.605846][  T185] FS:  00007f496b480840(0000) GS:ff110000a1bb0000(0000) knlGS:0000000000000000
[    9.606090][  T185] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.606280][  T185] CR2: 00007f9df5569808 CR3: 0000000012ca8006 CR4: 0000000000771ef0
[    9.606486][  T185] PKRU: 55555554
[    9.606589][  T185] Call Trace:
[    9.606692][  T185]  <TASK>
[    9.606770][  T185]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.606911][  T185]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.607016][  T185]  __dev_notify_flags (net/core/dev.c:9787)
[    9.607154][  T185]  ? netif_change_name (net/core/dev.c:1495)
[    9.607308][  T185]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.607446][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.607587][  T185]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.607731][  T185]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.607869][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.608006][  T185]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.608144][  T185]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.608298][  T185]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.608440][  T185]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.608580][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.608723][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.608861][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.608998][  T185]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.609133][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.609287][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.609425][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.609563][  T185]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.609700][  T185]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.609842][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.609978][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.610117][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.610266][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.610405][  T185]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.610542][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.610679][  T185]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.610826][  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))
[    9.610964][  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))
[    9.611103][  T185]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.611259][  T185]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.611396][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.611536][  T185]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.611673][  T185]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.611824][  T185]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.611967][  T185]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.612106][  T185]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.612256][  T185]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.612425][  T185]  ? move_addr_to_kernel (net/socket.c:258)
[    9.612568][  T185]  ___sys_sendmsg (net/socket.c:2752)
[    9.612705][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.612848][  T185]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.612998][  T185]  __sys_sendmsg (net/socket.c:2784)
[    9.613136][  T185]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.613287][  T185]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.613425][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.613566][  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)
[    9.613704][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.613848][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.613987][  T185]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.614123][  T185]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.614273][  T185]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.614410][  T185]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.614582][  T185] RIP: 0033:0x7f496b6ba08e
[    9.614733][  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
[    9.615234][  T185] RSP: 002b:00007fff866280b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.615445][  T185] RAX: ffffffffffffffda RBX: 00007fff86628848 RCX: 00007f496b6ba08e
[    9.615651][  T185] RDX: 0000000000000000 RSI: 00007fff86628160 RDI: 0000000000000005
[    9.615859][  T185] RBP: 00007fff866280c0 R08: 0000000000000000 R09: 0000000000000000
[    9.616064][  T185] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c628
[    9.616280][  T185] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff86628820
| [    9.753653][  T195] ------------[ cut here ]------------
| [    9.753851][  T195] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/195
| [    9.754106][  T195] Modules linked in: veth
| [    9.754632][  T195] Tainted: [W]=WARN
[    9.754753][  T195] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.754930][  T195] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.755153][  T195] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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
[    9.755839][  T195] RSP: 0018:ffa00000005b6e30 EFLAGS: 00010286
[    9.756030][  T195] RAX: 00000000ffffffa6 RBX: ff110000091dcc80 RCX: 1ff40000000b6d8c
[    9.756252][  T195] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000091dcd38
[    9.756460][  T195] RBP: ff110000059dc000 R08: 1fe220000123b9a8 R09: ff11000012e2d180
[    9.756669][  T195] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.756886][  T195] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000090bf180
[    9.757099][  T195] FS:  00007fb4fda41840(0000) GS:ff110000a1bb0000(0000) knlGS:0000000000000000
[    9.757355][  T195] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.757532][  T195] CR2: 000000000042ebe0 CR3: 000000000af1b005 CR4: 0000000000771ef0
[    9.757749][  T195] PKRU: 55555554
[    9.757857][  T195] Call Trace:
[    9.757966][  T195]  <TASK>
[    9.758040][  T195]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.758193][  T195]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.758306][  T195]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.758490][  T195]  __dev_notify_flags (net/core/dev.c:9787)
[    9.758633][  T195]  ? netif_change_name (net/core/dev.c:1495)
[    9.758780][  T195]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.758924][  T195]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.759064][  T195]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.759219][  T195]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[    9.759362][  T195]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.759512][  T195]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.759655][  T195]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.759804][  T195]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.759948][  T195]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.760094][  T195] veth_newlink (drivers/net/veth.c:1871) veth
[    9.760247][  T195]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.760427][  T195]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.760571][  T195]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.760717][  T195]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.760877][  T195]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.761021][  T195]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.761169][  T195]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.761312][  T195]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.761459][  T195]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.761607][  T195]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.761762][  T195]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.761905][  T195]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.762047][  T195]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.762201][  T195]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.762348][  T195]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.762493][  T195]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.762634][  T195]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.762785][  T195]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.762926][  T195]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.763066][  T195]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.763215][  T195]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.763360][  T195]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.763503][  T195]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.763648][  T195]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.763801][  T195]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.763944][  T195]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.764089][  T195]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.764245][  T195]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.764388][  T195]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.764530][  T195]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.764672][  T195]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.764823][  T195]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.764964][  T195]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.765109][  T195]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.765270][  T195]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.765412][  T195]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.765611][  T195]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.765855][  T195]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.766094][  T195]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.766350][  T195]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.766596][  T195]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.766808][  T195]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.766989][  T195]  ? move_addr_to_kernel (net/socket.c:258)
[    9.767169][  T195]  ___sys_sendmsg (net/socket.c:2752)
[    9.767325][  T195]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.767471][  T195]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.767624][  T195]  ? 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))
[    9.767778][  T195]  __sys_sendmsg (net/socket.c:2784)
[    9.767921][  T195]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.768068][  T195]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.768218][  T195]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.768362][  T195]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.768511][  T195]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.768653][  T195]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.768807][  T195]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.768987][  T195] RIP: 0033:0x7fb4fdc7b08e
[    9.769139][  T195] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.769663][  T195] RSP: 002b:00007ffcd87e9fb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.769893][  T195] RAX: ffffffffffffffda RBX: 00007ffcd87ea748 RCX: 00007fb4fdc7b08e
[    9.770110][  T195] RDX: 0000000000000000 RSI: 00007ffcd87ea060 RDI: 0000000000000005
[    9.770340][  T195] RBP: 00007ffcd87e9fc0 R08: 0000000000000000 R09: 0000000000000000
[    9.770552][  T195] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c629
[    9.770771][  T195] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcd87ea720
| [    9.779187][  T195] ------------[ cut here ]------------
| [    9.779351][  T195] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/195
| [    9.779594][  T195] Modules linked in: veth
| [    9.779996][  T195] Tainted: [W]=WARN
[    9.780101][  T195] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.780292][  T195] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.780476][  T195] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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
[    9.780980][  T195] RSP: 0018:ffa00000005b71b0 EFLAGS: 00010286
[    9.781157][  T195] RAX: 00000000ffffffa6 RBX: ff110000140d31c0 RCX: 1ff40000000b6dfc
[    9.781384][  T195] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000140d3278
[    9.781592][  T195] RBP: ff11000002591000 R08: 1fe220000281a650 R09: ff11000012e2d180
[    9.781804][  T195] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.782012][  T195] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.782234][  T195] FS:  00007fb4fda41840(0000) GS:ff110000a1bb0000(0000) knlGS:0000000000000000
[    9.782480][  T195] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.782656][  T195] CR2: 000000000042ebe0 CR3: 000000000af1b005 CR4: 0000000000771ef0
[    9.782872][  T195] PKRU: 55555554
[    9.782977][  T195] Call Trace:
[    9.783081][  T195]  <TASK>
[    9.783155][  T195]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.783310][  T195]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.783416][  T195]  __dev_notify_flags (net/core/dev.c:9787)
[    9.783555][  T195]  ? netif_change_name (net/core/dev.c:1495)
[    9.783696][  T195]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.783840][  T195]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.783983][  T195]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.784123][  T195]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.784265][  T195]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.784403][  T195]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.784542][  T195]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.784691][  T195]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.784839][  T195]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.784979][  T195]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.785119][  T195]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.785272][  T195]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.785409][  T195]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.785547][  T195]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.785689][  T195]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.785832][  T195]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.785970][  T195]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.786108][  T195]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.786258][  T195]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.786395][  T195]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.786535][  T195]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.786671][  T195]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.786819][  T195]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.786956][  T195]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.787094][  T195]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.787251][  T195]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.787389][  T195]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.787535][  T195]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.787672][  T195]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.787817][  T195]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.788072][  T195]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.788223][  T195]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.788365][  T195]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.788509][  T195]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.788650][  T195]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.788793][  T195]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.789058][  T195]  ? move_addr_to_kernel (net/socket.c:258)
[    9.789219][  T195]  ___sys_sendmsg (net/socket.c:2752)
[    9.789355][  T195]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.789495][  T195]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.789742][  T195]  ? 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))
[    9.789884][  T195]  __sys_sendmsg (net/socket.c:2784)
[    9.790023][  T195]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.790273][  T195]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.790475][  T195]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.790703][  T195]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.790934][  T195]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.796233][  T195]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.796474][  T195]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.796787][  T195] RIP: 0033:0x7fb4fdc7b08e
[    9.797041][  T195] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.797876][  T195] RSP: 002b:00007ffcd87e9fb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.798236][  T195] RAX: ffffffffffffffda RBX: 00007ffcd87ea748 RCX: 00007fb4fdc7b08e
[    9.798589][  T195] RDX: 0000000000000000 RSI: 00007ffcd87ea060 RDI: 0000000000000005
[    9.798956][  T195] RBP: 00007ffcd87e9fc0 R08: 0000000000000000 R09: 0000000000000000
[    9.799473][  T195] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c629
[    9.799830][  T195] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcd87ea720
| [   10.096671][  T208] ------------[ cut here ]------------
| [   10.096930][  T208] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/208
| [   10.097193][  T208] Modules linked in: veth
| [   10.097602][  T208] Tainted: [W]=WARN
[   10.097716][  T208] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.097895][  T208] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.098083][  T208] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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
[   10.098593][  T208] RSP: 0018:ffa0000000856e30 EFLAGS: 00010286
[   10.098775][  T208] RAX: 00000000ffffffa6 RBX: ff1100000575c040 RCX: 1ff400000010ad8c
[   10.098987][  T208] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000575c0f8
[   10.099210][  T208] RBP: ff11000005e49000 R08: 1fe2200000aeb820 R09: ff110000134c2e80
[   10.099418][  T208] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   10.099628][  T208] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000aee4e80
[   10.099841][  T208] FS:  00007f7896a91840(0000) GS:ff110000a1bb0000(0000) knlGS:0000000000000000
[   10.100087][  T208] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.100281][  T208] CR2: 000000000042ebe0 CR3: 0000000015856003 CR4: 0000000000771ef0
[   10.100489][  T208] PKRU: 55555554
[   10.100593][  T208] Call Trace:
[   10.100698][  T208]  <TASK>
[   10.100777][  T208]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.100921][  T208]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.101062][  T208]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.101176][  T208]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   10.101321][  T208]  __dev_notify_flags (net/core/dev.c:9787)
[   10.101463][  T208]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   10.101602][  T208]  ? 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)
[   10.101746][  T208]  ? netif_change_name (net/core/dev.c:1495)
[   10.101883][  T208]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.102022][  T208]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.102161][  T208]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.102318][  T208]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.102458][  T208]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.102598][  T208]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.102743][  T208]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.102881][  T208]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.103021][  T208]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   10.103168][  T208] veth_newlink (drivers/net/veth.c:1871) veth
[   10.103325][  T208]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   10.103498][  T208]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.103639][  T208]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.103786][  T208]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.103942][  T208]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   10.104082][  T208]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   10.104236][  T208]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.104374][  T208]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.104516][  T208]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   10.104660][  T208]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   10.104808][  T208]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.104947][  T208]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.105085][  T208]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.105244][  T208]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.105389][  T208]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.105530][  T208]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.105668][  T208]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.105815][  T208]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.105956][  T208]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.106094][  T208]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.106251][  T208]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.106394][  T208]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.106535][  T208]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.106675][  T208]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.106818][  T208]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.106955][  T208]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.107096][  T208]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.107246][  T208]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.107387][  T208]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.107525][  T208]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.107663][  T208]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.107812][  T208]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.107953][  T208]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.108093][  T208]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.108247][  T208]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.108386][  T208]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.108529][  T208]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.108668][  T208]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.108816][  T208]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.108959][  T208]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.109099][  T208]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.109255][  T208]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.109428][  T208]  ? move_addr_to_kernel (net/socket.c:258)
[   10.109572][  T208]  ___sys_sendmsg (net/socket.c:2752)
[   10.109717][  T208]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.109858][  T208]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.110007][  T208]  ? 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))
[   10.110154][  T208]  __sys_sendmsg (net/socket.c:2784)
[   10.110306][  T208]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.110450][  T208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.110591][  T208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.110736][  T208]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.110874][  T208]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.111015][  T208]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.111156][  T208]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.111341][  T208] RIP: 0033:0x7f7896ccb08e
[   10.111490][  T208] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.111992][  T208] RSP: 002b:00007ffd59f20690 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.112218][  T208] RAX: ffffffffffffffda RBX: 00007ffd59f20e28 RCX: 00007f7896ccb08e
[   10.112428][  T208] RDX: 0000000000000000 RSI: 00007ffd59f20740 RDI: 0000000000000005
[   10.112638][  T208] RBP: 00007ffd59f206a0 R08: 0000000000000000 R09: 0000000000000000
[   10.112855][  T208] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c629
[   10.113065][  T208] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd59f20e00
| [   10.122535][  T208] ------------[ cut here ]------------
| [   10.122703][  T208] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/208
| [   10.122961][  T208] Modules linked in: veth
| [   10.123386][  T208] Tainted: [W]=WARN
[   10.123498][  T208] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.123697][  T208] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.123914][  T208] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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
[   10.124507][  T208] RSP: 0018:ffa00000008571b0 EFLAGS: 00010286
[   10.124705][  T208] RAX: 00000000ffffffa6 RBX: ff11000012e98e40 RCX: 1ff400000010adfc
[   10.124941][  T208] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000012e98ef8
[   10.125174][  T208] RBP: ff11000007941000 R08: 1fe22000025d31e0 R09: ff110000134c2e80
[   10.125417][  T208] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   10.125644][  T208] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   10.125887][  T208] FS:  00007f7896a91840(0000) GS:ff110000a1bb0000(0000) knlGS:0000000000000000
[   10.126157][  T208] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.126349][  T208] CR2: 000000000042ebe0 CR3: 0000000015856003 CR4: 0000000000771ef0
[   10.126553][  T208] PKRU: 55555554
[   10.126669][  T208] Call Trace:
[   10.126783][  T208]  <TASK>
[   10.126855][  T208]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.126995][  T208]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.127100][  T208]  __dev_notify_flags (net/core/dev.c:9787)
[   10.127252][  T208]  ? netif_change_name (net/core/dev.c:1495)
[   10.127389][  T208]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.127528][  T208]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.127673][  T208]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.127827][  T208]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   10.127968][  T208]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.128105][  T208]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.128255][  T208]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.128401][  T208]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.128544][  T208]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.128686][  T208]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.128830][  T208]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.128972][  T208]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.129128][  T208]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.129301][  T208]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.129477][  T208]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.129642][  T208]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.129787][  T208]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.129927][  T208]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.130067][  T208]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.130221][  T208]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.130368][  T208]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.130507][  T208]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.130650][  T208]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.130799][  T208]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.130944][  T208]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.131088][  T208]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.131250][  T208]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.131403][  T208]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.131548][  T208]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.131692][  T208]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.131845][  T208]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.131991][  T208]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.132136][  T208]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.132295][  T208]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.132445][  T208]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.132586][  T208]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.132766][  T208]  ? move_addr_to_kernel (net/socket.c:258)
[   10.132905][  T208]  ___sys_sendmsg (net/socket.c:2752)
[   10.133039][  T208]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.133182][  T208]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.133329][  T208]  ? 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))
[   10.133471][  T208]  __sys_sendmsg (net/socket.c:2784)
[   10.133610][  T208]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.133769][  T208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.133914][  T208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.134060][  T208]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.134217][  T208]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.134368][  T208]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.134519][  T208]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.134701][  T208] RIP: 0033:0x7f7896ccb08e
[   10.134862][  T208] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.135383][  T208] RSP: 002b:00007ffd59f20690 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.135604][  T208] RAX: ffffffffffffffda RBX: 00007ffd59f20e28 RCX: 00007f7896ccb08e
[   10.135833][  T208] RDX: 0000000000000000 RSI: 00007ffd59f20740 RDI: 0000000000000005
[   10.136065][  T208] RBP: 00007ffd59f206a0 R08: 0000000000000000 R09: 0000000000000000
[   10.136294][  T208] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c629
[   10.136521][  T208] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd59f20e00
| [   10.269842][  T216] ------------[ cut here ]------------
| [   10.270031][  T216] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/216
| [   10.270289][  T216] Modules linked in: veth
| [   10.270692][  T216] Tainted: [W]=WARN
[   10.270810][  T216] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.270987][  T216] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.271187][  T216] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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
[   10.271689][  T216] RSP: 0018:ffa00000008c6e30 EFLAGS: 00010286
[   10.271881][  T216] RAX: 00000000ffffffa6 RBX: ff1100001428f8c0 RCX: 1ff4000000118d8c
[   10.272096][  T216] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100001428f978
[   10.272322][  T216] RBP: ff1100001388c000 R08: 1fe2200002851f30 R09: ff11000004ea5180
[   10.272536][  T216] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.272755][  T216] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000092d2380
[   10.272995][  T216] FS:  00007fabf7b4c840(0000) GS:ff110000a1d30000(0000) knlGS:0000000000000000
[   10.273250][  T216] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.273431][  T216] CR2: 000000000042ebe0 CR3: 0000000004f96006 CR4: 0000000000771ef0
[   10.273641][  T216] PKRU: 55555554
[   10.273752][  T216] Call Trace:
[   10.273859][  T216]  <TASK>
[   10.273931][  T216]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.274073][  T216]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.274220][  T216]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.274330][  T216]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   10.274474][  T216]  __dev_notify_flags (net/core/dev.c:9787)
[   10.274615][  T216]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   10.274762][  T216]  ? 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)
[   10.274904][  T216]  ? netif_change_name (net/core/dev.c:1495)
[   10.275045][  T216]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.275193][  T216]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.275334][  T216]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.275478][  T216]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.275624][  T216]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.275774][  T216]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.275919][  T216]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.276059][  T216]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.276207][  T216]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   10.276352][  T216] veth_newlink (drivers/net/veth.c:1871) veth
[   10.276495][  T216]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   10.276669][  T216]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.276819][  T216]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.276959][  T216]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.277117][  T216]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   10.277265][  T216]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   10.277421][  T216]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.277563][  T216]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.277706][  T216]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   10.277852][  T216]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   10.277994][  T216]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.278133][  T216]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.278282][  T216]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.278428][  T216]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.278577][  T216]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.278724][  T216]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.278872][  T216]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.279012][  T216]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.279154][  T216]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.279298][  T216]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.279447][  T216]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.279590][  T216]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.279737][  T216]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.279881][  T216]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.280026][  T216]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.280177][  T216]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.280328][  T216]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.280471][  T216]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.280614][  T216]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.280764][  T216]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.280907][  T216]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.281056][  T216]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.281205][  T216]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.281351][  T216]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.281507][  T216]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.281653][  T216]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.281805][  T216]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.281954][  T216]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.282102][  T216]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.282254][  T216]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.282400][  T216]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.282547][  T216]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.282727][  T216]  ? move_addr_to_kernel (net/socket.c:258)
[   10.282880][  T216]  ___sys_sendmsg (net/socket.c:2752)
[   10.283021][  T216]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.283165][  T216]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.283326][  T216]  ? 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))
[   10.283476][  T216]  __sys_sendmsg (net/socket.c:2784)
[   10.283624][  T216]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.283844][  T216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.283987][  T216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.284131][  T216]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.284282][  T216]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.284428][  T216]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.284575][  T216]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.284812][  T216] RIP: 0033:0x7fabf7d8608e
[   10.285028][  T216] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.285552][  T216] RSP: 002b:00007ffc946240e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.285829][  T216] RAX: ffffffffffffffda RBX: 00007ffc94624878 RCX: 00007fabf7d8608e
[   10.286046][  T216] RDX: 0000000000000000 RSI: 00007ffc94624190 RDI: 0000000000000005
[   10.286265][  T216] RBP: 00007ffc946240f0 R08: 0000000000000000 R09: 0000000000000000
[   10.286484][  T216] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c629
[   10.286694][  T216] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc94624850
| [   10.323100][  T216] ------------[ cut here ]------------
| [   10.323284][  T216] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/216
| [   10.323535][  T216] Modules linked in: veth
| [   10.323943][  T216] Tainted: [W]=WARN
[   10.324049][  T216] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.324231][  T216] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.324414][  T216] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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
[   10.324910][  T216] RSP: 0018:ffa00000008c71b0 EFLAGS: 00010286
[   10.325087][  T216] RAX: 00000000ffffffa6 RBX: ff11000005047a80 RCX: 1ff4000000118dfc
[   10.325299][  T216] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000005047b38
[   10.325503][  T216] RBP: ff11000013874000 R08: 1fe2200000a08f68 R09: ff11000004ea5180
[   10.325714][  T216] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.325919][  T216] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   10.326129][  T216] FS:  00007fabf7b4c840(0000) GS:ff110000a1d30000(0000) knlGS:0000000000000000
[   10.326379][  T216] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.326553][  T216] CR2: 00007fad6531cd80 CR3: 0000000004f96006 CR4: 0000000000771ef0
[   10.326858][  T216] PKRU: 55555554
[   10.326961][  T216] Call Trace:
[   10.327161][  T216]  <TASK>
[   10.327239][  T216]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.327380][  T216]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.327484][  T216]  __dev_notify_flags (net/core/dev.c:9787)
[   10.327625][  T216]  ? netif_change_name (net/core/dev.c:1495)
[   10.327837][  T216]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.327988][  T216]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.328136][  T216]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.328281][  T216]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   10.328422][  T216]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.328562][  T216]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.328700][  T216]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.328904][  T216]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.329046][  T216]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.329191][  T216]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.329329][  T216]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.329471][  T216]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.329607][  T216]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.329771][  T216]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.329913][  T216]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.330051][  T216]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.330196][  T216]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.330336][  T216]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.330476][  T216]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.330611][  T216]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.330755][  T216]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.330891][  T216]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.331028][  T216]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.331165][  T216]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.331317][  T216]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.331459][  T216]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.331593][  T216]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.331737][  T216]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.331875][  T216]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.332011][  T216]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.332148][  T216]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.332291][  T216]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.332433][  T216]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.332573][  T216]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.332719][  T216]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.332856][  T216]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.333025][  T216]  ? move_addr_to_kernel (net/socket.c:258)
[   10.333180][  T216]  ___sys_sendmsg (net/socket.c:2752)
[   10.333320][  T216]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.333460][  T216]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.333610][  T216]  ? 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))
[   10.333755][  T216]  __sys_sendmsg (net/socket.c:2784)
[   10.333895][  T216]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.334036][  T216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.334179][  T216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.334317][  T216]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.334455][  T216]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.334596][  T216]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.334738][  T216]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.334911][  T216] RIP: 0033:0x7fabf7d8608e
[   10.335057][  T216] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.335558][  T216] RSP: 002b:00007ffc946240e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.335773][  T216] RAX: ffffffffffffffda RBX: 00007ffc94624878 RCX: 00007fabf7d8608e
[   10.335982][  T216] RDX: 0000000000000000 RSI: 00007ffc94624190 RDI: 0000000000000005
[   10.336195][  T216] RBP: 00007ffc946240f0 R08: 0000000000000000 R09: 0000000000000000
[   10.336407][  T216] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c629
[   10.336611][  T216] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc94624850
| [   10.527673][  T222] ------------[ cut here ]------------
| [   10.527902][  T222] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/222
| [   10.528201][  T222] Modules linked in: veth
| [   10.528653][  T222] Tainted: [W]=WARN
[   10.528779][  T222] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.528974][  T222] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.529182][  T222] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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
[   10.530608][  T222] RSP: 0018:ffa00000008c6e30 EFLAGS: 00010286
[   10.530803][  T222] RAX: 00000000ffffffa6 RBX: ff1100001419c900 RCX: 1ff4000000118d8c
[   10.531024][  T222] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100001419c9b8
[   10.531261][  T222] RBP: ff11000008519000 R08: 1fe2200002833938 R09: ff110000139d0b80
[   10.531481][  T222] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   10.531694][  T222] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000004d26a80
[   10.531922][  T222] FS:  00007f810c0e4840(0000) GS:ff110000a1c30000(0000) knlGS:0000000000000000
[   10.532194][  T222] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.532380][  T222] CR2: 000000000042ebe0 CR3: 000000001381f006 CR4: 0000000000771ef0
[   10.532600][  T222] PKRU: 55555554
[   10.532715][  T222] Call Trace:
[   10.532826][  T222]  <TASK>
[   10.532905][  T222]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.533058][  T222]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.533217][  T222]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.533325][  T222]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   10.533472][  T222]  __dev_notify_flags (net/core/dev.c:9787)
[   10.533619][  T222]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   10.533769][  T222]  ? 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)
[   10.533915][  T222]  ? netif_change_name (net/core/dev.c:1495)
[   10.534056][  T222]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.534212][  T222]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.534355][  T222]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.534500][  T222]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.534641][  T222]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.534789][  T222]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.534931][  T222]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.535072][  T222]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.535228][  T222]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   10.535375][  T222] veth_newlink (drivers/net/veth.c:1871) veth
[   10.535519][  T222]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   10.535696][  T222]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.535844][  T222]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.535985][  T222]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.536143][  T222]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   10.536307][  T222]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   10.536454][  T222]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.536594][  T222]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.536742][  T222]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   10.536885][  T222]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   10.537031][  T222]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.537178][  T222]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.537331][  T222]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.537478][  T222]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.537628][  T222]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.537779][  T222]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.537922][  T222]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.538064][  T222]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.538217][  T222]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.538357][  T222]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.538502][  T222]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.538645][  T222]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.538792][  T222]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.538937][  T222]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.539081][  T222]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.539235][  T222]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.539380][  T222]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.539520][  T222]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.539677][  T222]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.539829][  T222]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.539970][  T222]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.540116][  T222]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.540267][  T222]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.540412][  T222]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.540554][  T222]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.540694][  T222]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.540845][  T222]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.540987][  T222]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.541129][  T222]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.541292][  T222]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.541433][  T222]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.541572][  T222]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.541754][  T222]  ? move_addr_to_kernel (net/socket.c:258)
[   10.541900][  T222]  ___sys_sendmsg (net/socket.c:2752)
[   10.542043][  T222]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.542200][  T222]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.542352][  T222]  ? 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))
[   10.542496][  T222]  __sys_sendmsg (net/socket.c:2784)
[   10.542640][  T222]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.542790][  T222]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.542935][  T222]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.543076][  T222]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.543230][  T222]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.543371][  T222]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.543517][  T222]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.543692][  T222] RIP: 0033:0x7f810c31e08e
[   10.543850][  T222] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.544396][  T222] RSP: 002b:00007ffce74b5c60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.544616][  T222] RAX: ffffffffffffffda RBX: 00007ffce74b63f8 RCX: 00007f810c31e08e
[   10.544836][  T222] RDX: 0000000000000000 RSI: 00007ffce74b5d10 RDI: 0000000000000005
[   10.545049][  T222] RBP: 00007ffce74b5c70 R08: 0000000000000000 R09: 0000000000000000
[   10.545274][  T222] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c629
[   10.545488][  T222] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffce74b63d0
| [   10.555459][  T222] ------------[ cut here ]------------
| [   10.555656][  T222] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/222
| [   10.556490][  T222] Modules linked in: veth
| [   10.556970][  T222] Tainted: [W]=WARN
[   10.557077][  T222] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.557267][  T222] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.557459][  T222] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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
[   10.558030][  T222] RSP: 0018:ffa00000008c71b0 EFLAGS: 00010286
[   10.558223][  T222] RAX: 00000000ffffffa6 RBX: ff1100001425b8c0 RCX: 1ff4000000118dfc
[   10.558439][  T222] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100001425b978
[   10.558648][  T222] RBP: ff1100000a131000 R08: 1fe220000284b730 R09: ff110000139d0b80
[   10.558922][  T222] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   10.559129][  T222] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   10.559356][  T222] FS:  00007f810c0e4840(0000) GS:ff110000a1c30000(0000) knlGS:0000000000000000
[   10.559605][  T222] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.559854][  T222] CR2: 000000000042ebe0 CR3: 000000001381f006 CR4: 0000000000771ef0
[   10.560063][  T222] PKRU: 55555554
[   10.560173][  T222] Call Trace:
[   10.560286][  T222]  <TASK>
[   10.560361][  T222]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.560504][  T222]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.560609][  T222]  __dev_notify_flags (net/core/dev.c:9787)
[   10.560816][  T222]  ? netif_change_name (net/core/dev.c:1495)
[   10.560956][  T222]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.561093][  T222]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.561248][  T222]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.561390][  T222]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   10.561530][  T222]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.561667][  T222]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.561872][  T222]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.562016][  T222]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.562159][  T222]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.562309][  T222]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.562446][  T222]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.562584][  T222]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.562781][  T222]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.562918][  T222]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.563061][  T222]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.563217][  T222]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.563357][  T222]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.563496][  T222]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.563632][  T222]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.563832][  T222]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.563973][  T222]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.564113][  T222]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.564261][  T222]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.564402][  T222]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.564539][  T222]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.564679][  T222]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.564874][  T222]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.565012][  T222]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.565151][  T222]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.565304][  T222]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.565445][  T222]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.565583][  T222]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.565782][  T222]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.565922][  T222]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.566061][  T222]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.566208][  T222]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.566384][  T222]  ? move_addr_to_kernel (net/socket.c:258)
[   10.566533][  T222]  ___sys_sendmsg (net/socket.c:2752)
[   10.566671][  T222]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.566872][  T222]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.567021][  T222]  ? 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))
[   10.567189][  T222]  __sys_sendmsg (net/socket.c:2784)
[   10.567332][  T222]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.567481][  T222]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.567622][  T222]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.567821][  T222]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.567958][  T222]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.568096][  T222]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.568249][  T222]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.568420][  T222] RIP: 0033:0x7f810c31e08e
[   10.568567][  T222] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.569128][  T222] RSP: 002b:00007ffce74b5c60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.569355][  T222] RAX: ffffffffffffffda RBX: 00007ffce74b63f8 RCX: 00007f810c31e08e
[   10.569564][  T222] RDX: 0000000000000000 RSI: 00007ffce74b5d10 RDI: 0000000000000005
[   10.569837][  T222] RBP: 00007ffce74b5c70 R08: 0000000000000000 R09: 0000000000000000
[   10.570045][  T222] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c629


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