======================================
| xx__-> [   11.475222][  T186] ------------[ cut here ]------------
| [   11.475503][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/186
| [   11.475763][  T186] Modules linked in: veth
| [   11.476201][  T186] Tainted: [W]=WARN
[   11.476312][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.476530][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.476719][  T186] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.477240][  T186] RSP: 0018:ffa0000000956e30 EFLAGS: 00010286
[   11.477420][  T186] RAX: 00000000ffffffa6 RBX: ff11000008a7c040 RCX: 1ff400000012ad8c
[   11.477645][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008a7c0f8
[   11.477856][  T186] RBP: ff11000009cdc000 R08: 1fe220000114f820 R09: ff1100000c105180
[   11.478070][  T186] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   11.478286][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009b59c80
[   11.478504][  T186] FS:  00007efed6c32840(0000) GS:ff110000a6b30000(0000) knlGS:0000000000000000
[   11.478758][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.478940][  T186] CR2: 00005577f3e1acd0 CR3: 000000000cc56002 CR4: 0000000000771ef0
[   11.479160][  T186] PKRU: 55555554
[   11.479268][  T186] Call Trace:
[   11.479375][  T186]  <TASK>
[   11.479452][  T186]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   11.479643][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.479786][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.479895][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.480042][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.480189][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[   11.480332][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.480475][  T186]  ? netif_change_name (net/core/dev.c:1495)
[   11.480624][  T186]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   11.480770][  T186]  ? preempt_schedule_notrace_thunk (arch/x86/entry/thunk.S:13)
[   11.480949][  T186]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:649 ./include/linux/cpumask.h:1231 ./include/trace/events/preemptirq.h:40)
[   11.481137][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.481279][  T186]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.481423][  T186]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   11.481573][  T186] veth_newlink (drivers/net/veth.c:1871) veth
[   11.481718][  T186]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   11.481894][  T186]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.482039][  T186]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.482187][  T186]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.482346][  T186]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   11.482498][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   11.482649][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.482793][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.482953][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   11.483096][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   11.483243][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.483384][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.483530][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.483676][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.483822][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.483967][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.484111][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.484257][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.484398][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.484543][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.484690][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.484833][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.484975][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.485125][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.485268][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.485408][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.485561][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.485702][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.485844][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.485988][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.486138][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.486284][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.486427][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.486659][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.486802][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.486944][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.487086][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.487233][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.487377][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.487536][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.487682][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.487825][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.488002][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[   11.488152][  T186]  ___sys_sendmsg (net/socket.c:2752)
[   11.488292][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.488437][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.488597][  T186]  __sys_sendmsg (net/socket.c:2784)
[   11.488740][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.488882][  T186]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[   11.489023][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.489172][  T186]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[   11.489315][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.489459][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.489605][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.489747][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.489890][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.490032][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.490214][  T186] RIP: 0033:0x7efed6e6c08e
[   11.490364][  T186] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.490877][  T186] RSP: 002b:00007fffa5c252e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.491090][  T186] RAX: ffffffffffffffda RBX: 00007fffa5c25a78 RCX: 00007efed6e6c08e
[   11.491305][  T186] RDX: 0000000000000000 RSI: 00007fffa5c25390 RDI: 0000000000000005
[   11.491524][  T186] RBP: 00007fffa5c252f0 R08: 0000000000000000 R09: 0000000000000000
[   11.491736][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cc9d
[   11.491948][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffa5c25a50
| [   11.501650][  T186] ------------[ cut here ]------------
| [   11.501815][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/186
| [   11.502132][  T186] Modules linked in: veth
| [   11.502721][  T186] Tainted: [W]=WARN
[   11.502885][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.503140][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.503414][  T186] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.504108][  T186] RSP: 0018:ffa00000009571b0 EFLAGS: 00010286
[   11.504382][  T186] RAX: 00000000ffffffa6 RBX: ff110000049a23c0 RCX: 1ff400000012adfc
[   11.504712][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000049a2478
[   11.505023][  T186] RBP: ff11000007599000 R08: 1fe2200000934490 R09: ff1100000c105180
[   11.505335][  T186] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   11.505654][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   11.505969][  T186] FS:  00007efed6c32840(0000) GS:ff110000a6a30000(0000) knlGS:0000000000000000
[   11.506360][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.506638][  T186] CR2: 00005577f3d52100 CR3: 000000000cc56005 CR4: 0000000000771ef0
[   11.506985][  T186] PKRU: 55555554
[   11.507149][  T186] Call Trace:
[   11.507306][  T186]  <TASK>
[   11.507418][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.507759][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.507930][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[   11.508194][  T186]  ? netif_change_name (net/core/dev.c:1495)
[   11.508404][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.508656][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.508863][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.509069][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   11.509284][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.509500][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.509686][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.509830][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.509973][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.510111][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.510265][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.510405][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.510549][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.510685][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.510828][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.510966][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.511103][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.511247][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.511382][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.511523][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.511663][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.511799][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.511938][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.512078][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.512220][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.512373][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.512514][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.512653][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.512791][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.512935][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.513073][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.513232][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.513375][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.513523][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.513668][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.513804][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.513979][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[   11.514124][  T186]  ___sys_sendmsg (net/socket.c:2752)
[   11.514260][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.514399][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.514558][  T186]  __sys_sendmsg (net/socket.c:2784)
[   11.514699][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.514835][  T186]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[   11.514974][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.515113][  T186]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[   11.515260][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.515397][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.515548][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.515686][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.515823][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.515960][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.516134][  T186] RIP: 0033:0x7efed6e6c08e
[   11.516279][  T186] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.516780][  T186] RSP: 002b:00007fffa5c252e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.516993][  T186] RAX: ffffffffffffffda RBX: 00007fffa5c25a78 RCX: 00007efed6e6c08e
[   11.517209][  T186] RDX: 0000000000000000 RSI: 00007fffa5c25390 RDI: 0000000000000005
[   11.517416][  T186] RBP: 00007fffa5c252f0 R08: 0000000000000000 R09: 0000000000000000
[   11.517628][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cc9d
[   11.517834][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffa5c25a50
| [   11.674511][  T192] ------------[ cut here ]------------
| [   11.674710][  T192] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/192
| [   11.674969][  T192] Modules linked in: veth
| [   11.675390][  T192] Tainted: [W]=WARN
[   11.675507][  T192] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.675688][  T192] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.675883][  T192] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.676408][  T192] RSP: 0018:ffa0000000956e30 EFLAGS: 00010286
[   11.676598][  T192] RAX: 00000000ffffffa6 RBX: ff11000005668740 RCX: 1ff400000012ad8c
[   11.676814][  T192] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000056687f8
[   11.677029][  T192] RBP: ff11000008429000 R08: 1fe2200000acd100 R09: ff1100000c508b80
[   11.677252][  T192] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   11.677468][  T192] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ba67c00
[   11.678504][  T192] FS:  00007fc8fdc82840(0000) GS:ff110000a69b0000(0000) knlGS:0000000000000000
[   11.678759][  T192] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.678940][  T192] CR2: 000000000042ebe0 CR3: 000000000ce45005 CR4: 0000000000771ef0
[   11.679159][  T192] PKRU: 55555554
[   11.679267][  T192] Call Trace:
[   11.679374][  T192]  <TASK>
[   11.679449][  T192]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.679683][  T192]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.679881][  T192]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   11.680061][  T192]  __dev_notify_flags (net/core/dev.c:9787)
[   11.680212][  T192]  ? netif_change_name (net/core/dev.c:1495)
[   11.680351][  T192]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.680502][  T192]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.680645][  T192]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.680790][  T192]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   11.680944][  T192]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.681090][  T192]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.681260][  T192]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.681402][  T192]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.681550][  T192]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   11.681695][  T192] veth_newlink (drivers/net/veth.c:1871) veth
[   11.681841][  T192]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   11.682019][  T192]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.682167][  T192]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.682312][  T192]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.682471][  T192]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   11.682620][  T192]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   11.682764][  T192]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.682906][  T192]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.683050][  T192]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   11.683200][  T192]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   11.683345][  T192]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.683491][  T192]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.683640][  T192]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.683798][  T192]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.683945][  T192]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.684092][  T192]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.684241][  T192]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.684407][  T192]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.684565][  T192]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.684707][  T192]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.684852][  T192]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.684995][  T192]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.685143][  T192]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.685284][  T192]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.685425][  T192]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.685573][  T192]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.685716][  T192]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.685857][  T192]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.686000][  T192]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.686149][  T192]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.686293][  T192]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.686439][  T192]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.686586][  T192]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.686733][  T192]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.686877][  T192]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.687019][  T192]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.687169][  T192]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.687312][  T192]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.687457][  T192]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.687610][  T192]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.687756][  T192]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.687900][  T192]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.688075][  T192]  ? move_addr_to_kernel (net/socket.c:258)
[   11.688227][  T192]  ___sys_sendmsg (net/socket.c:2752)
[   11.688368][  T192]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.688524][  T192]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.688677][  T192]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   11.688823][  T192]  __sys_sendmsg (net/socket.c:2784)
[   11.688966][  T192]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.689115][  T192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.689281][  T192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.689424][  T192]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.689571][  T192]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.689714][  T192]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.689857][  T192]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.690034][  T192] RIP: 0033:0x7fc8fdebc08e
[   11.690200][  T192] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.690710][  T192] RSP: 002b:00007ffedd629af0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.690929][  T192] RAX: ffffffffffffffda RBX: 00007ffedd62a288 RCX: 00007fc8fdebc08e
[   11.691163][  T192] RDX: 0000000000000000 RSI: 00007ffedd629ba0 RDI: 0000000000000005
[   11.691377][  T192] RBP: 00007ffedd629b00 R08: 0000000000000000 R09: 0000000000000000
[   11.691595][  T192] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cc9d
[   11.691805][  T192] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffedd62a260
| [   11.701729][  T192] ------------[ cut here ]------------
| [   11.701882][  T192] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/192
| [   11.702131][  T192] Modules linked in: veth
| [   11.702629][  T192] Tainted: [W]=WARN
[   11.702735][  T192] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.702908][  T192] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.703098][  T192] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.703602][  T192] RSP: 0018:ffa00000009571b0 EFLAGS: 00010286
[   11.703777][  T192] RAX: 00000000ffffffa6 RBX: ff11000004ef83c0 RCX: 1ff400000012adfc
[   11.703985][  T192] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004ef8478
[   11.704195][  T192] RBP: ff1100000c171000 R08: 1fe22000009df090 R09: ff1100000c508b80
[   11.704402][  T192] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   11.704615][  T192] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   11.704827][  T192] FS:  00007fc8fdc82840(0000) GS:ff110000a69b0000(0000) knlGS:0000000000000000
[   11.705074][  T192] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.705254][  T192] CR2: 000000000042ebe0 CR3: 000000000ce45005 CR4: 0000000000771ef0
[   11.705461][  T192] PKRU: 55555554
[   11.705571][  T192] Call Trace:
[   11.705676][  T192]  <TASK>
[   11.705750][  T192]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.705897][  T192]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.706004][  T192]  __dev_notify_flags (net/core/dev.c:9787)
[   11.706153][  T192]  ? netif_change_name (net/core/dev.c:1495)
[   11.706299][  T192]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.706449][  T192]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.706599][  T192]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.706743][  T192]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   11.706888][  T192]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.707030][  T192]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.707176][  T192]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.707322][  T192]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.707466][  T192]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.707610][  T192]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.707751][  T192]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.707892][  T192]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.708034][  T192]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.708174][  T192]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.708317][  T192]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.708455][  T192]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.708846][  T192]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.708985][  T192]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.709130][  T192]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.709269][  T192]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.709414][  T192]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.709556][  T192]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.709696][  T192]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.709835][  T192]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.709973][  T192]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.710115][  T192]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.710257][  T192]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.710399][  T192]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.710547][  T192]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.710688][  T192]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.710830][  T192]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.710971][  T192]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.711112][  T192]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.711261][  T192]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.711400][  T192]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.711548][  T192]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.711721][  T192]  ? move_addr_to_kernel (net/socket.c:258)
[   11.711864][  T192]  ___sys_sendmsg (net/socket.c:2752)
[   11.712004][  T192]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.712148][  T192]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.712297][  T192]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   11.712442][  T192]  __sys_sendmsg (net/socket.c:2784)
[   11.712586][  T192]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.712730][  T192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.712870][  T192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.713008][  T192]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.713153][  T192]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.713292][  T192]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.713430][  T192]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.713609][  T192] RIP: 0033:0x7fc8fdebc08e
[   11.713773][  T192] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.714292][  T192] RSP: 002b:00007ffedd629af0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.714503][  T192] RAX: ffffffffffffffda RBX: 00007ffedd62a288 RCX: 00007fc8fdebc08e
[   11.714712][  T192] RDX: 0000000000000000 RSI: 00007ffedd629ba0 RDI: 0000000000000005
[   11.714922][  T192] RBP: 00007ffedd629b00 R08: 0000000000000000 R09: 0000000000000000
[   11.715131][  T192] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cc9d
[   11.715338][  T192] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffedd62a260
| [   11.978008][  T210] ------------[ cut here ]------------
| [   11.978209][  T210] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/210
| [   11.978469][  T210] Modules linked in: veth
| [   11.979087][  T210] Tainted: [W]=WARN
[   11.979204][  T210] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.979386][  T210] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.979588][  T210] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.980104][  T210] RSP: 0018:ffa00000008f6e30 EFLAGS: 00010286
[   11.980323][  T210] RAX: 00000000ffffffa6 RBX: ff110000049a2c80 RCX: 1ff400000011ed8c
[   11.980596][  T210] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000049a2d38
[   11.980951][  T210] RBP: ff1100000c559000 R08: 1fe22000009345a8 R09: ff1100000cd7d180
[   11.981287][  T210] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   11.981602][  T210] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a802a80
[   11.981902][  T210] FS:  00007f2eb8775840(0000) GS:ff110000a69b0000(0000) knlGS:0000000000000000
[   11.982267][  T210] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.982548][  T210] CR2: 00005577f3e52d78 CR3: 000000000a9c2002 CR4: 0000000000771ef0
[   11.982856][  T210] PKRU: 55555554
[   11.983011][  T210] Call Trace:
[   11.983168][  T210]  <TASK>
[   11.983274][  T210]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.983483][  T210]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.983701][  T210]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.983859][  T210]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   11.984060][  T210]  __dev_notify_flags (net/core/dev.c:9787)
[   11.984278][  T210]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   11.984512][  T210]  ? 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)
[   11.984752][  T210]  ? netif_change_name (net/core/dev.c:1495)
[   11.984986][  T210]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.985219][  T210]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.985422][  T210]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.985638][  T210]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.985861][  T210]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.986081][  T210]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.986310][  T210]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.986532][  T210]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.986754][  T210]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   11.986973][  T210] veth_newlink (drivers/net/veth.c:1871) veth
[   11.987193][  T210]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   11.987461][  T210]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.987697][  T210]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.987915][  T210]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.988155][  T210]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   11.988377][  T210]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   11.988606][  T210]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.988816][  T210]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.989024][  T210]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   11.989233][  T210]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   11.989454][  T210]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.989678][  T210]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.989884][  T210]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.990102][  T210]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.990331][  T210]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.990544][  T210]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.990762][  T210]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.990971][  T210]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.991185][  T210]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.991400][  T210]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.991627][  T210]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.991849][  T210]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.992063][  T210]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.993911][  T210]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.994086][  T210]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.994299][  T210]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.994473][  T210]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.994627][  T210]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.994774][  T210]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.994919][  T210]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.995066][  T210]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.995226][  T210]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.995368][  T210]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.995519][  T210]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.995662][  T210]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.995806][  T210]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.995948][  T210]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.996093][  T210]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.996242][  T210]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.996388][  T210]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.996535][  T210]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.996677][  T210]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.996855][  T210]  ? move_addr_to_kernel (net/socket.c:258)
[   11.997005][  T210]  ___sys_sendmsg (net/socket.c:2752)
[   11.997151][  T210]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.997296][  T210]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.997449][  T210]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   11.997603][  T210]  __sys_sendmsg (net/socket.c:2784)
[   11.997749][  T210]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.997895][  T210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.998037][  T210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.998185][  T210]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.998328][  T210]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.998507][  T210]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.998696][  T210]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.998873][  T210] RIP: 0033:0x7f2eb89af08e
[   11.999025][  T210] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.999541][  T210] RSP: 002b:00007ffcd4ba8f90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.999762][  T210] RAX: ffffffffffffffda RBX: 00007ffcd4ba9728 RCX: 00007f2eb89af08e
[   11.999979][  T210] RDX: 0000000000000000 RSI: 00007ffcd4ba9040 RDI: 0000000000000005
[   12.000201][  T210] RBP: 00007ffcd4ba8fa0 R08: 0000000000000000 R09: 0000000000000000
[   12.000419][  T210] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cc9e
[   12.000758][  T210] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcd4ba9700
| [   12.012756][  T210] ------------[ cut here ]------------
| [   12.012938][  T210] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/210
| [   12.013188][  T210] Modules linked in: veth
| [   12.013601][  T210] Tainted: [W]=WARN
[   12.013708][  T210] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.013884][  T210] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.014070][  T210] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.014590][  T210] RSP: 0018:ffa00000008f71b0 EFLAGS: 00010286
[   12.014835][  T210] RAX: 00000000ffffffa6 RBX: ff11000008f82ac0 RCX: 1ff400000011edfc
[   12.015073][  T210] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008f82b78
[   12.015309][  T210] RBP: ff11000007d51000 R08: 1fe22000011f0570 R09: ff1100000cd7d180
[   12.015523][  T210] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   12.015734][  T210] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   12.015959][  T210] FS:  00007f2eb8775840(0000) GS:ff110000a69b0000(0000) knlGS:0000000000000000
[   12.016210][  T210] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.016391][  T210] CR2: 00005577f3e52d78 CR3: 000000000a9c2002 CR4: 0000000000771ef0
[   12.016606][  T210] PKRU: 55555554
[   12.016712][  T210] Call Trace:
[   12.016818][  T210]  <TASK>
[   12.016891][  T210]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.017036][  T210]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.017149][  T210]  __dev_notify_flags (net/core/dev.c:9787)
[   12.017295][  T210]  ? netif_change_name (net/core/dev.c:1495)
[   12.017436][  T210]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   12.017582][  T210]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   12.017729][  T210]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   12.017873][  T210]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   12.018020][  T210]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.018167][  T210]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.018313][  T210]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.018461][  T210]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.018619][  T210]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.018763][  T210]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.018904][  T210]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.019045][  T210]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.019188][  T210]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.019327][  T210]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.019475][  T210]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.019622][  T210]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.019764][  T210]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.019904][  T210]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.020044][  T210]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.020187][  T210]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.020329][  T210]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.020471][  T210]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.020619][  T210]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.020762][  T210]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.020903][  T210]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.021047][  T210]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.021189][  T210]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.021332][  T210]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.021474][  T210]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.021623][  T210]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.021769][  T210]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.021909][  T210]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.022050][  T210]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.022200][  T210]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.022339][  T210]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.022478][  T210]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.022703][  T210]  ? move_addr_to_kernel (net/socket.c:258)
[   12.022921][  T210]  ___sys_sendmsg (net/socket.c:2752)
[   12.023140][  T210]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.023332][  T210]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.023482][  T210]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   12.023639][  T210]  __sys_sendmsg (net/socket.c:2784)
[   12.023780][  T210]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.023925][  T210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.024065][  T210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.024214][  T210]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.024352][  T210]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.024500][  T210]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.024640][  T210]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.024813][  T210] RIP: 0033:0x7f2eb89af08e
[   12.024960][  T210] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.025479][  T210] RSP: 002b:00007ffcd4ba8f90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.025699][  T210] RAX: ffffffffffffffda RBX: 00007ffcd4ba9728 RCX: 00007f2eb89af08e
[   12.025904][  T210] RDX: 0000000000000000 RSI: 00007ffcd4ba9040 RDI: 0000000000000005
[   12.026115][  T210] RBP: 00007ffcd4ba8fa0 R08: 0000000000000000 R09: 0000000000000000
[   12.026329][  T210] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cc9e
[   12.026544][  T210] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcd4ba9700
| [   12.222636][  T216] ------------[ cut here ]------------
| [   12.222828][  T216] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/216
| [   12.223086][  T216] Modules linked in: veth
| [   12.223512][  T216] Tainted: [W]=WARN
[   12.223625][  T216] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.223816][  T216] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.224006][  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
[   12.224528][  T216] RSP: 0018:ffa0000000626e30 EFLAGS: 00010286
[   12.224751][  T216] RAX: 00000000ffffffa6 RBX: ff11000004c8ba80 RCX: 1ff40000000c4d8c
[   12.225002][  T216] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004c8bb38
[   12.225224][  T216] RBP: ff11000005b49000 R08: 1fe2200000991768 R09: ff110000091f5180
[   12.225437][  T216] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   12.225661][  T216] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000cd05900
[   12.225876][  T216] FS:  00007f883132a840(0000) GS:ff110000a6a30000(0000) knlGS:0000000000000000
[   12.226133][  T216] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.226316][  T216] CR2: 00007f8831691f6d CR3: 0000000002531006 CR4: 0000000000771ef0
[   12.226538][  T216] PKRU: 55555554
[   12.226645][  T216] Call Trace:
[   12.226751][  T216]  <TASK>
[   12.226824][  T216]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.226974][  T216]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.227126][  T216]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.227233][  T216]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   12.227381][  T216]  __dev_notify_flags (net/core/dev.c:9787)
[   12.227528][  T216]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   12.227674][  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)
[   12.227818][  T216]  ? netif_change_name (net/core/dev.c:1495)
[   12.227965][  T216]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.228104][  T216]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.228249][  T216]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.228391][  T216]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.228919][  T216]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.229062][  T216]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.229210][  T216]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   12.229356][  T216]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   12.229510][  T216]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   12.229654][  T216] veth_newlink (drivers/net/veth.c:1871) veth
[   12.229797][  T216]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   12.229976][  T216]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.230122][  T216]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.230265][  T216]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   12.230423][  T216]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   12.230573][  T216]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   12.230730][  T216]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   12.230873][  T216]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   12.231016][  T216]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   12.231163][  T216]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   12.231308][  T216]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.231450][  T216]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.231602][  T216]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.231749][  T216]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.231899][  T216]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.232044][  T216]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.232187][  T216]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.232328][  T216]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.232475][  T216]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.232628][  T216]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.232778][  T216]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.232924][  T216]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.233065][  T216]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.233215][  T216]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.233356][  T216]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.233499][  T216]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.233642][  T216]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.233785][  T216]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.233928][  T216]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.234069][  T216]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.234257][  T216]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.234401][  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))
[   12.234546][  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))
[   12.234689][  T216]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.234831][  T216]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.234975][  T216]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.235115][  T216]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.235262][  T216]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.235405][  T216]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.235555][  T216]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.235699][  T216]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.235841][  T216]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.236017][  T216]  ? move_addr_to_kernel (net/socket.c:258)
[   12.236168][  T216]  ___sys_sendmsg (net/socket.c:2752)
[   12.236307][  T216]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.236448][  T216]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.236605][  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))
[   12.236748][  T216]  __sys_sendmsg (net/socket.c:2784)
[   12.236890][  T216]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.237038][  T216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.237198][  T216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.237341][  T216]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.237483][  T216]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.237633][  T216]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.237820][  T216]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.238022][  T216] RIP: 0033:0x7f883156408e
[   12.238175][  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
[   12.238684][  T216] RSP: 002b:00007ffd68bd5500 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.238898][  T216] RAX: ffffffffffffffda RBX: 00007ffd68bd5c98 RCX: 00007f883156408e
[   12.239107][  T216] RDX: 0000000000000000 RSI: 00007ffd68bd55b0 RDI: 0000000000000005
[   12.239324][  T216] RBP: 00007ffd68bd5510 R08: 0000000000000000 R09: 0000000000000000
[   12.239538][  T216] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cc9e
[   12.239748][  T216] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd68bd5c70
| [   12.250713][  T216] ------------[ cut here ]------------
| [   12.250875][  T216] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/216
| [   12.251126][  T216] Modules linked in: veth
| [   12.252169][  T216] Tainted: [W]=WARN
[   12.252285][  T216] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.252471][  T216] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.252665][  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
[   12.253181][  T216] RSP: 0018:ffa00000006271b0 EFLAGS: 00010286
[   12.253369][  T216] RAX: 00000000ffffffa6 RBX: ff1100000c6f91c0 RCX: 1ff40000000c4dfc
[   12.253594][  T216] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c6f9278
[   12.253809][  T216] RBP: ff1100000cd31000 R08: 1fe22000018df250 R09: ff110000091f5180
[   12.254026][  T216] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   12.254284][  T216] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   12.254533][  T216] FS:  00007f883132a840(0000) GS:ff110000a6a30000(0000) knlGS:0000000000000000
[   12.254776][  T216] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.254956][  T216] CR2: 00007f8831691f6d CR3: 0000000002531006 CR4: 0000000000771ef0
[   12.255170][  T216] PKRU: 55555554
[   12.255275][  T216] Call Trace:
[   12.255379][  T216]  <TASK>
[   12.255451][  T216]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.255602][  T216]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.255710][  T216]  __dev_notify_flags (net/core/dev.c:9787)
[   12.255851][  T216]  ? netif_change_name (net/core/dev.c:1495)
[   12.255996][  T216]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   12.256144][  T216]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   12.256292][  T216]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   12.256436][  T216]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   12.256609][  T216]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.256824][  T216]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.257012][  T216]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.257170][  T216]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.257317][  T216]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.257464][  T216]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.257611][  T216]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.257747][  T216]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.257885][  T216]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.258022][  T216]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.258169][  T216]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.258307][  T216]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.258474][  T216]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.258674][  T216]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.258873][  T216]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.259054][  T216]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.259203][  T216]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.259340][  T216]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.259480][  T216]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.259625][  T216]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.259768][  T216]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.259910][  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))
[   12.260045][  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))
[   12.260191][  T216]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.260329][  T216]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.260466][  T216]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.260609][  T216]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.260749][  T216]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.260888][  T216]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.261029][  T216]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.261187][  T216]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.261326][  T216]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.261562][  T216]  ? move_addr_to_kernel (net/socket.c:258)
[   12.261776][  T216]  ___sys_sendmsg (net/socket.c:2752)
[   12.261984][  T216]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.262208][  T216]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.262407][  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))
[   12.262563][  T216]  __sys_sendmsg (net/socket.c:2784)
[   12.262703][  T216]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.262844][  T216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.262982][  T216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.263119][  T216]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.263264][  T216]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.263401][  T216]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.263547][  T216]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.263718][  T216] RIP: 0033:0x7f883156408e
[   12.263864][  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
[   12.264366][  T216] RSP: 002b:00007ffd68bd5500 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.264580][  T216] RAX: ffffffffffffffda RBX: 00007ffd68bd5c98 RCX: 00007f883156408e
[   12.264786][  T216] RDX: 0000000000000000 RSI: 00007ffd68bd55b0 RDI: 0000000000000005
[   12.264992][  T216] RBP: 00007ffd68bd5510 R08: 0000000000000000 R09: 0000000000000000
[   12.265220][  T216] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cc9e
[   12.265427][  T216] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd68bd5c70
| [   12.453877][  T222] ------------[ cut here ]------------
| [   12.454114][  T222] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/222
| [   12.454429][  T222] Modules linked in: veth
| [   12.454954][  T222] Tainted: [W]=WARN
[   12.455112][  T222] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.455352][  T222] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.455607][  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
[   12.456181][  T222] RSP: 0018:ffa0000000626e30 EFLAGS: 00010286
[   12.456438][  T222] RAX: 00000000ffffffa6 RBX: ff11000004ef8ac0 RCX: 1ff40000000c4d8c
[   12.456718][  T222] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004ef8b78
[   12.456982][  T222] RBP: ff11000004ddc000 R08: 1fe22000009df170 R09: ff11000004d0ae80
[   12.457256][  T222] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   12.457980][  T222] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a9fd580
[   12.458268][  T222] FS:  00007fde98676840(0000) GS:ff110000a6ab0000(0000) knlGS:0000000000000000
[   12.458578][  T222] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.458821][  T222] CR2: 000000000042ebe0 CR3: 000000000c127005 CR4: 0000000000771ef0
[   12.459181][  T222] PKRU: 55555554
[   12.459336][  T222] Call Trace:
[   12.459506][  T222]  <TASK>
[   12.459630][  T222]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.459824][  T222]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.460019][  T222]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.460184][  T222]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   12.460378][  T222]  __dev_notify_flags (net/core/dev.c:9787)
[   12.460580][  T222]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   12.460773][  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)
[   12.460966][  T222]  ? netif_change_name (net/core/dev.c:1495)
[   12.461171][  T222]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.461367][  T222]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.461572][  T222]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.461763][  T222]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.461956][  T222]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.462154][  T222]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.462346][  T222]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   12.462549][  T222]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   12.462739][  T222]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   12.462935][  T222] veth_newlink (drivers/net/veth.c:1871) veth
[   12.463136][  T222]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   12.463396][  T222]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.463678][  T222]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.463947][  T222]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   12.464193][  T222]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   12.464386][  T222]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   12.464593][  T222]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   12.464783][  T222]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   12.464977][  T222]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   12.465175][  T222]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   12.465367][  T222]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.465571][  T222]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.465761][  T222]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.465960][  T222]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.466161][  T222]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.466357][  T222]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.466565][  T222]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.466760][  T222]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.466963][  T222]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.467235][  T222]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.467529][  T222]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.467799][  T222]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.468066][  T222]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.468325][  T222]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.468532][  T222]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.468724][  T222]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.468918][  T222]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.469108][  T222]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.469314][  T222]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.469519][  T222]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.469710][  T222]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.469903][  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))
[   12.470094][  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))
[   12.470298][  T222]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.470557][  T222]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.470826][  T222]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.471092][  T222]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.471389][  T222]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.471867][  T222]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.472063][  T222]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.472271][  T222]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.472461][  T222]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.472696][  T222]  ? move_addr_to_kernel (net/socket.c:258)
[   12.472893][  T222]  ___sys_sendmsg (net/socket.c:2752)
[   12.473083][  T222]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.473280][  T222]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.473478][  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))
[   12.473686][  T222]  __sys_sendmsg (net/socket.c:2784)
[   12.473879][  T222]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.474072][  T222]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.474271][  T222]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.474467][  T222]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.474672][  T222]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.474866][  T222]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.475057][  T222]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.475291][  T222] RIP: 0033:0x7fde988b008e
[   12.475506][  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
[   12.476054][  T222] RSP: 002b:00007ffc71a511b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.476325][  T222] RAX: ffffffffffffffda RBX: 00007ffc71a51948 RCX: 00007fde988b008e
[   12.476601][  T222] RDX: 0000000000000000 RSI: 00007ffc71a51260 RDI: 0000000000000005
[   12.476863][  T222] RBP: 00007ffc71a511c0 R08: 0000000000000000 R09: 0000000000000000
[   12.477132][  T222] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cc9e
[   12.477400][  T222] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc71a51920
| [   12.494569][  T222] ------------[ cut here ]------------
| [   12.495106][  T222] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/222
| [   12.495415][  T222] Modules linked in: veth
| [   12.495924][  T222] Tainted: [W]=WARN
[   12.496097][  T222] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.496327][  T222] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.496573][  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
[   12.497132][  T222] RSP: 0018:ffa00000006271b0 EFLAGS: 00010286
[   12.497355][  T222] RAX: 00000000ffffffa6 RBX: ff1100000ce24c80 RCX: 1ff40000000c4dfc
[   12.497625][  T222] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ce24d38
[   12.497881][  T222] RBP: ff11000004dd9000 R08: 1fe22000019c49a8 R09: ff11000004d0ae80
[   12.498152][  T222] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   12.498403][  T222] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   12.498822][  T222] FS:  00007fde98676840(0000) GS:ff110000a6ab0000(0000) knlGS:0000000000000000
[   12.499139][  T222] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.499373][  T222] CR2: 000000000042ebe0 CR3: 000000000c127005 CR4: 0000000000771ef0
[   12.499642][  T222] PKRU: 55555554
[   12.499793][  T222] Call Trace:
[   12.499948][  T222]  <TASK>
[   12.500067][  T222]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.500266][  T222]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.500421][  T222]  __dev_notify_flags (net/core/dev.c:9787)
[   12.500624][  T222]  ? netif_change_name (net/core/dev.c:1495)
[   12.500818][  T222]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   12.501009][  T222]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   12.501214][  T222]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   12.501406][  T222]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   12.501615][  T222]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.501873][  T222]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.502071][  T222]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.502285][  T222]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.502476][  T222]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.502684][  T222]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.502874][  T222]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.503064][  T222]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.503256][  T222]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.503441][  T222]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.503647][  T222]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.503845][  T222]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.504035][  T222]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.504231][  T222]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.504417][  T222]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.504612][  T222]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.504801][  T222]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.504986][  T222]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.505181][  T222]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.505378][  T222]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.505577][  T222]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.505765][  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))
[   12.505949][  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))
[   12.506145][  T222]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.506337][  T222]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.506543][  T222]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.506738][  T222]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.506927][  T222]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.507112][  T222]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.507313][  T222]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.507514][  T222]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.507702][  T222]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.507918][  T222]  ? move_addr_to_kernel (net/socket.c:258)
[   12.508112][  T222]  ___sys_sendmsg (net/socket.c:2752)
[   12.508331][  T222]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.508536][  T222]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.508735][  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))
[   12.508924][  T222]  __sys_sendmsg (net/socket.c:2784)
[   12.509111][  T222]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.509342][  T222]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.509550][  T222]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.509746][  T222]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.509938][  T222]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.510133][  T222]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.510321][  T222]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.510562][  T222] RIP: 0033:0x7fde988b008e
[   12.510755][  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
[   12.511310][  T222] RSP: 002b:00007ffc71a511b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.511625][  T222] RAX: ffffffffffffffda RBX: 00007ffc71a51948 RCX: 00007fde988b008e
[   12.511982][  T222] RDX: 0000000000000000 RSI: 00007ffc71a51260 RDI: 0000000000000005
[   12.512350][  T222] RBP: 00007ffc71a511c0 R08: 0000000000000000 R09: 0000000000000000
[   12.512686][  T222] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cc9e


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