======================================
| xx__-> [    9.350327][  T187] ------------[ cut here ]------------
| [    9.350565][  T187] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/187
| [    9.350819][  T187] Modules linked in: veth
| [    9.351255][  T187] Tainted: [W]=WARN
[    9.351377][  T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.351602][  T187] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.351790][  T187] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.352316][  T187] RSP: 0018:ffa00000008f6e30 EFLAGS: 00010286
[    9.352500][  T187] RAX: 00000000ffffffa6 RBX: ff1100000a720740 RCX: 1ff400000011ed8c
[    9.352713][  T187] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000a7207f8
[    9.352965][  T187] RBP: ff11000008a49000 R08: 1fe22000014e4100 R09: ff1100000ca38b80
[    9.353189][  T187] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.353408][  T187] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a7d6a80
[    9.353623][  T187] FS:  00007fd9af918840(0000) GS:ff110000837b0000(0000) knlGS:0000000000000000
[    9.353873][  T187] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.354057][  T187] CR2: 000000000042ebe0 CR3: 000000000c427001 CR4: 0000000000771ef0
[    9.354303][  T187] PKRU: 55555554
[    9.354418][  T187] Call Trace:
[    9.354527][  T187]  <TASK>
[    9.354605][  T187]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.354796][  T187]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.354938][  T187]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.355050][  T187]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.355205][  T187]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.355351][  T187]  __dev_notify_flags (net/core/dev.c:9787)
[    9.355495][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.355636][  T187]  ? netif_change_name (net/core/dev.c:1495)
[    9.355778][  T187]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.355923][  T187]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.356074][  T187]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.356229][  T187]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.356377][  T187]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.356520][  T187]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.356664][  T187] veth_newlink (drivers/net/veth.c:1871) veth
[    9.356807][  T187]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.356982][  T187]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.357136][  T187]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.357278][  T187]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.357443][  T187]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.357586][  T187]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.357728][  T187]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.357871][  T187]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.358014][  T187]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.358183][  T187]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.358345][  T187]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.358492][  T187]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.358636][  T187]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.358783][  T187]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.358929][  T187]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.359078][  T187]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.359224][  T187]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.359441][  T187]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.359585][  T187]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.359726][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.359870][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.360013][  T187]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.360164][  T187]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.360306][  T187]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.360454][  T187]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.360595][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.360739][  T187]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.360880][  T187]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.361024][  T187]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.361194][  T187]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.361350][  T187]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.361500][  T187]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.361643][  T187]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.361787][  T187]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.362032][  T187]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.362195][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.362344][  T187]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.362584][  T187]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.362732][  T187]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.362876][  T187]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.363018][  T187]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.363168][  T187]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.363351][  T187]  ? move_addr_to_kernel (net/socket.c:258)
[    9.363593][  T187]  ___sys_sendmsg (net/socket.c:2752)
[    9.363735][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.363893][  T187]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.364061][  T187]  __sys_sendmsg (net/socket.c:2784)
[    9.364210][  T187]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.364359][  T187]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.364601][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.364746][  T187]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[    9.364895][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.365054][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.365206][  T187]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.365364][  T187]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.365523][  T187]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.365680][  T187]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.365867][  T187] RIP: 0033:0x7fd9afb5208e
[    9.366021][  T187] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.366587][  T187] RSP: 002b:00007ffe1e503110 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.367215][  T187] RAX: ffffffffffffffda RBX: 00007ffe1e5038a8 RCX: 00007fd9afb5208e
[    9.367437][  T187] RDX: 0000000000000000 RSI: 00007ffe1e5031c0 RDI: 0000000000000005
[    9.367779][  T187] RBP: 00007ffe1e503120 R08: 0000000000000000 R09: 0000000000000000
[    9.368018][  T187] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cd70
[    9.368384][  T187] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe1e503880
| [    9.389876][  T187] ------------[ cut here ]------------
| [    9.390084][  T187] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/187
| [    9.390343][  T187] Modules linked in: veth
| [    9.390743][  T187] Tainted: [W]=WARN
[    9.390852][  T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.391028][  T187] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.391218][  T187] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.391856][  T187] RSP: 0018:ffa00000008f71b0 EFLAGS: 00010286
[    9.392072][  T187] RAX: 00000000ffffffa6 RBX: ff11000001f84200 RCX: 1ff400000011edfc
[    9.392292][  T187] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000001f842b8
[    9.392617][  T187] RBP: ff110000081f1000 R08: 1fe22000003f0858 R09: ff1100000ca38b80
[    9.392826][  T187] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    9.393041][  T187] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.393263][  T187] FS:  00007fd9af918840(0000) GS:ff11000083830000(0000) knlGS:0000000000000000
[    9.393624][  T187] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.393803][  T187] CR2: 00007f00598fa2a0 CR3: 000000000c427002 CR4: 0000000000771ef0
[    9.394082][  T187] PKRU: 55555554
[    9.394197][  T187] Call Trace:
[    9.394303][  T187]  <TASK>
[    9.394383][  T187]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.394534][  T187]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.394659][  T187]  __dev_notify_flags (net/core/dev.c:9787)
[    9.394803][  T187]  ? netif_change_name (net/core/dev.c:1495)
[    9.394943][  T187]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.395085][  T187]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.395236][  T187]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.395381][  T187]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.395527][  T187]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.395669][  T187]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.395808][  T187]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.395954][  T187]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.396104][  T187]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.396253][  T187]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.396400][  T187]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.396542][  T187]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.396682][  T187]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.396820][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.396966][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.397112][  T187]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.397258][  T187]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.397405][  T187]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.397546][  T187]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.397687][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.397830][  T187]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.397968][  T187]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.398114][  T187]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.398259][  T187]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.398416][  T187]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.398563][  T187]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.398704][  T187]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.398848][  T187]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.398988][  T187]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.399138][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.399301][  T187]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.399450][  T187]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.399592][  T187]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.399737][  T187]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.399882][  T187]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.400022][  T187]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.400206][  T187]  ? move_addr_to_kernel (net/socket.c:258)
[    9.400365][  T187]  ___sys_sendmsg (net/socket.c:2752)
[    9.400507][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.400648][  T187]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.400803][  T187]  __sys_sendmsg (net/socket.c:2784)
[    9.400947][  T187]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.401088][  T187]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.401235][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.401382][  T187]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[    9.401527][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.401671][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.401814][  T187]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.401955][  T187]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.402101][  T187]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.402247][  T187]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.402427][  T187] RIP: 0033:0x7fd9afb5208e
[    9.402576][  T187] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.403082][  T187] RSP: 002b:00007ffe1e503110 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.403321][  T187] RAX: ffffffffffffffda RBX: 00007ffe1e5038a8 RCX: 00007fd9afb5208e
[    9.403532][  T187] RDX: 0000000000000000 RSI: 00007ffe1e5031c0 RDI: 0000000000000005
[    9.403742][  T187] RBP: 00007ffe1e503120 R08: 0000000000000000 R09: 0000000000000000
[    9.403954][  T187] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cd70
[    9.404175][  T187] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe1e503880
| [    9.646688][  T193] ------------[ cut here ]------------
| [    9.646892][  T193] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/193
| [    9.647158][  T193] Modules linked in: veth
| [    9.647579][  T193] Tainted: [W]=WARN
[    9.647693][  T193] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.647875][  T193] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.648069][  T193] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.648604][  T193] RSP: 0018:ffa0000000796e30 EFLAGS: 00010286
[    9.648785][  T193] RAX: 00000000ffffffa6 RBX: ff1100000da78ac0 RCX: 1ff40000000f2d8c
[    9.649017][  T193] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000da78b78
[    9.649240][  T193] RBP: ff1100000753c000 R08: 1fe2200001b4f170 R09: ff1100000ccbd180
[    9.649548][  T193] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    9.649789][  T193] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000534ce80
[    9.650015][  T193] FS:  00007f3845c1c840(0000) GS:ff11000083830000(0000) knlGS:0000000000000000
[    9.650280][  T193] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.650471][  T193] CR2: 000000000042ebe0 CR3: 000000000da3b001 CR4: 0000000000771ef0
[    9.650686][  T193] PKRU: 55555554
[    9.650793][  T193] Call Trace:
[    9.650900][  T193]  <TASK>
[    9.650974][  T193]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.651129][  T193]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.651237][  T193]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.651425][  T193]  __dev_notify_flags (net/core/dev.c:9787)
[    9.651568][  T193]  ? netif_change_name (net/core/dev.c:1495)
[    9.651709][  T193]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.651850][  T193]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.651991][  T193]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.652143][  T193]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[    9.652285][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.652498][  T193]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.652646][  T193]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.652790][  T193]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.652933][  T193]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.653085][  T193] veth_newlink (drivers/net/veth.c:1871) veth
[    9.653232][  T193]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.653467][  T193]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.653610][  T193]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.653749][  T193]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.653906][  T193]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.654050][  T193]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.654200][  T193]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.654404][  T193]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.654604][  T193]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.654746][  T193]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.654886][  T193]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.655028][  T193]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.655175][  T193]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.655382][  T193]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.655527][  T193]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.655670][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.655809][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.655951][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.656093][  T193]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.656248][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.656453][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.656594][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.656735][  T193]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.656875][  T193]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.657013][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.657160][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.657302][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.657503][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.657645][  T193]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.657785][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.657924][  T193]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.658070][  T193]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.658214][  T193]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.658416][  T193]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.658560][  T193]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.658701][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.658844][  T193]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.658986][  T193]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.659137][  T193]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.659281][  T193]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.659482][  T193]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.659624][  T193]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.659799][  T193]  ? move_addr_to_kernel (net/socket.c:258)
[    9.659939][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.660081][  T193]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    9.660262][  T193]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.660413][  T193]  ___sys_sendmsg (net/socket.c:2752)
[    9.660555][  T193]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.660697][  T193]  ? trace_hrtimer_start (./include/trace/events/timer.h:223 (discriminator 22))
[    9.660840][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.660980][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.661135][  T193]  ? finish_task_switch.isra.0 (kernel/sched/sched.h:1644 kernel/sched/core.c:5125 kernel/sched/core.c:5243)
[    9.661404][  T193]  ? finish_task_switch.isra.0 (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:1383 ./include/linux/sched/mm.h:54 ./include/linux/sched/mm.h:83 ./include/linux/sched/mm.h:110 kernel/sched/core.c:5270)
[    9.661579][  T193]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[    9.661720][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.661865][  T193]  __sys_sendmsg (net/socket.c:2784)
[    9.662008][  T193]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.662162][  T193]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[    9.662303][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.662450][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.662592][  T193]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.662733][  T193]  ? irq_exit_rcu (kernel/softirq.c:754)
[    9.662872][  T193]  ? common_interrupt (arch/x86/kernel/irq.c:326 (discriminator 18))
[    9.663012][  T193]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.663196][  T193] RIP: 0033:0x7f3845e5608e
[    9.663351][  T193] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.663850][  T193] RSP: 002b:00007ffda9d23790 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.664069][  T193] RAX: ffffffffffffffda RBX: 00007ffda9d23f28 RCX: 00007f3845e5608e
[    9.664283][  T193] RDX: 0000000000000000 RSI: 00007ffda9d23840 RDI: 0000000000000005
[    9.664500][  T193] RBP: 00007ffda9d237a0 R08: 0000000000000000 R09: 0000000000000000
[    9.664711][  T193] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cd70
[    9.664921][  T193] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffda9d23f00
| [    9.682574][  T193] ------------[ cut here ]------------
| [    9.682736][  T193] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/193
| [    9.682980][  T193] Modules linked in: veth
| [    9.683398][  T193] Tainted: [W]=WARN
[    9.683503][  T193] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.683678][  T193] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.683861][  T193] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.684365][  T193] RSP: 0018:ffa00000007971b0 EFLAGS: 00010286
[    9.684544][  T193] RAX: 00000000ffffffa6 RBX: ff1100000dbc9c40 RCX: 1ff40000000f2dfc
[    9.684756][  T193] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000dbc9cf8
[    9.684966][  T193] RBP: ff11000007571000 R08: 1fe2200001b793a0 R09: ff1100000ccbd180
[    9.685182][  T193] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.685392][  T193] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.685598][  T193] FS:  00007f3845c1c840(0000) GS:ff11000083930000(0000) knlGS:0000000000000000
[    9.685839][  T193] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.686011][  T193] CR2: 000055792c50c788 CR3: 000000000da3b001 CR4: 0000000000771ef0
[    9.686227][  T193] PKRU: 55555554
[    9.686341][  T193] Call Trace:
[    9.686444][  T193]  <TASK>
[    9.686521][  T193]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.686662][  T193]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.686770][  T193]  __dev_notify_flags (net/core/dev.c:9787)
[    9.686911][  T193]  ? netif_change_name (net/core/dev.c:1495)
[    9.687054][  T193]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.687196][  T193]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.687342][  T193]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.687481][  T193]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.687620][  T193]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.687756][  T193]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.687894][  T193]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.688038][  T193]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.688186][  T193]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.688327][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.688467][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.688605][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.688741][  T193]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.688878][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.689021][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.689169][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.689306][  T193]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.689448][  T193]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.689584][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.689722][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.689861][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.690000][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.690148][  T193]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.690286][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.690436][  T193]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.690576][  T193]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.690713][  T193]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.690852][  T193]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.690989][  T193]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.691138][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.691277][  T193]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.691421][  T193]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.691564][  T193]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.691708][  T193]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.691848][  T193]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.691987][  T193]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.692170][  T193]  ? move_addr_to_kernel (net/socket.c:258)
[    9.692315][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.692457][  T193]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    9.692635][  T193]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.692775][  T193]  ___sys_sendmsg (net/socket.c:2752)
[    9.692926][  T193]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.693078][  T193]  ? trace_hrtimer_start (./include/trace/events/timer.h:223 (discriminator 22))
[    9.693235][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.693383][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.693537][  T193]  ? finish_task_switch.isra.0 (kernel/sched/sched.h:1644 kernel/sched/core.c:5125 kernel/sched/core.c:5243)
[    9.693716][  T193]  ? finish_task_switch.isra.0 (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:1383 ./include/linux/sched/mm.h:54 ./include/linux/sched/mm.h:83 ./include/linux/sched/mm.h:110 kernel/sched/core.c:5270)
[    9.693894][  T193]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[    9.694047][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.694207][  T193]  __sys_sendmsg (net/socket.c:2784)
[    9.694428][  T193]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.694578][  T193]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[    9.694723][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.694866][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.695010][  T193]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.695166][  T193]  ? irq_exit_rcu (kernel/softirq.c:754)
[    9.695391][  T193]  ? common_interrupt (arch/x86/kernel/irq.c:326 (discriminator 18))
[    9.695534][  T193]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.695718][  T193] RIP: 0033:0x7f3845e5608e
[    9.695871][  T193] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.696508][  T193] RSP: 002b:00007ffda9d23790 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.696723][  T193] RAX: ffffffffffffffda RBX: 00007ffda9d23f28 RCX: 00007f3845e5608e
[    9.696932][  T193] RDX: 0000000000000000 RSI: 00007ffda9d23840 RDI: 0000000000000005
[    9.697157][  T193] RBP: 00007ffda9d237a0 R08: 0000000000000000 R09: 0000000000000000
[    9.697482][  T193] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cd70
[    9.697691][  T193] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffda9d23f00
| [    9.908561][  T200] ------------[ cut here ]------------
| [    9.908780][  T200] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/200
| [    9.909033][  T200] Modules linked in: veth
| [    9.909454][  T200] Tainted: [W]=WARN
[    9.909563][  T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.909764][  T200] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.909959][  T200] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.910485][  T200] RSP: 0018:ffa0000000516e30 EFLAGS: 00010286
[    9.910664][  T200] RAX: 00000000ffffffa6 RBX: ff1100000a720ac0 RCX: 1ff40000000a2d8c
[    9.910877][  T200] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000a720b78
[    9.911091][  T200] RBP: ff11000009e34000 R08: 1fe22000014e4170 R09: ff1100000bff5180
[    9.911324][  T200] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.911542][  T200] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a7cd200
[    9.911754][  T200] FS:  00007f1df0dd6840(0000) GS:ff110000837b0000(0000) knlGS:0000000000000000
[    9.912003][  T200] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.912191][  T200] CR2: 000000000042ebe0 CR3: 000000000c403005 CR4: 0000000000771ef0
[    9.912804][  T200] PKRU: 55555554
[    9.912910][  T200] Call Trace:
[    9.913015][  T200]  <TASK>
[    9.913091][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.913238][  T200]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.913388][  T200]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.913496][  T200]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[    9.913637][  T200]  __dev_notify_flags (net/core/dev.c:9787)
[    9.913778][  T200]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[    9.913920][  T200]  ? linkwatch_fire_event (./include/linux/netdevice.h:4482 ./include/linux/netdevice.h:4511 net/core/link_watch.c:131 net/core/link_watch.c:324)
[    9.914067][  T200]  ? netif_change_name (net/core/dev.c:1495)
[    9.914213][  T200]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.914359][  T200]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.914499][  T200]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.914642][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.914785][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.914928][  T200]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.915075][  T200]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.915217][  T200]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.915362][  T200]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.915503][  T200] veth_newlink (drivers/net/veth.c:1871) veth
[    9.915649][  T200]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.915822][  T200]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.915977][  T200]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.916127][  T200]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.916284][  T200]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.916432][  T200]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.916577][  T200]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.916716][  T200]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.916857][  T200]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.916999][  T200]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.917151][  T200]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.917290][  T200]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.917437][  T200]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.917585][  T200]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.917729][  T200]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.917872][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.918013][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.918160][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.918298][  T200]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.918444][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.918591][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.918731][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.918874][  T200]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.919014][  T200]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.919161][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.919301][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.919448][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.919589][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.919731][  T200]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.919871][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.920011][  T200]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.920162][  T200]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.920302][  T200]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.920451][  T200]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.920594][  T200]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.920735][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.920876][  T200]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.921017][  T200]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.921168][  T200]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.921317][  T200]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.921461][  T200]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.921601][  T200]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.921776][  T200]  ? move_addr_to_kernel (net/socket.c:258)
[    9.921920][  T200]  ___sys_sendmsg (net/socket.c:2752)
[    9.922067][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.922236][  T200]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.922394][  T200]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[    9.922539][  T200]  __sys_sendmsg (net/socket.c:2784)
[    9.922680][  T200]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.922826][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.922969][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.923123][  T200]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.923268][  T200]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.923422][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.923585][  T200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.923767][  T200] RIP: 0033:0x7f1df101008e
[    9.923933][  T200] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.924489][  T200] RSP: 002b:00007ffcf52bf4e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.924705][  T200] RAX: ffffffffffffffda RBX: 00007ffcf52bfc78 RCX: 00007f1df101008e
[    9.924929][  T200] RDX: 0000000000000000 RSI: 00007ffcf52bf590 RDI: 0000000000000005
[    9.925159][  T200] RBP: 00007ffcf52bf4f0 R08: 0000000000000000 R09: 0000000000000000
[    9.925378][  T200] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cd71
[    9.925594][  T200] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcf52bfc50
| [    9.935377][  T200] ------------[ cut here ]------------
| [    9.935548][  T200] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/200
| [    9.935794][  T200] Modules linked in: veth
| [    9.936190][  T200] Tainted: [W]=WARN
[    9.936297][  T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.936476][  T200] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.936663][  T200] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.937167][  T200] RSP: 0018:ffa00000005171b0 EFLAGS: 00010286
[    9.937345][  T200] RAX: 00000000ffffffa6 RBX: ff1100000b0ea740 RCX: 1ff40000000a2dfc
[    9.937552][  T200] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b0ea7f8
[    9.937757][  T200] RBP: ff11000005209000 R08: 1fe220000161d500 R09: ff1100000bff5180
[    9.937962][  T200] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.938194][  T200] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.938412][  T200] FS:  00007f1df0dd6840(0000) GS:ff110000837b0000(0000) knlGS:0000000000000000
[    9.938654][  T200] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.938825][  T200] CR2: 000000000042ebe0 CR3: 000000000c403005 CR4: 0000000000771ef0
[    9.939028][  T200] PKRU: 55555554
[    9.939143][  T200] Call Trace:
[    9.939246][  T200]  <TASK>
[    9.939323][  T200]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.939468][  T200]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.939573][  T200]  __dev_notify_flags (net/core/dev.c:9787)
[    9.939711][  T200]  ? netif_change_name (net/core/dev.c:1495)
[    9.939849][  T200]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.939984][  T200]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.940166][  T200]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.940306][  T200]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.940455][  T200]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.940593][  T200]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.940737][  T200]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.940885][  T200]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.941031][  T200]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.941186][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.941377][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.941520][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.941657][  T200]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.941793][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.941936][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.942084][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.942230][  T200]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.942374][  T200]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.942512][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.942650][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.942789][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.942925][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.943067][  T200]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.943210][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.943353][  T200]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.943516][  T200]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.943653][  T200]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.943791][  T200]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.943931][  T200]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.944077][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.944223][  T200]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.944370][  T200]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.944513][  T200]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.944659][  T200]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.944798][  T200]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.944936][  T200]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.945113][  T200]  ? move_addr_to_kernel (net/socket.c:258)
[    9.945262][  T200]  ___sys_sendmsg (net/socket.c:2752)
[    9.945406][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.945543][  T200]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.945694][  T200]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[    9.945839][  T200]  __sys_sendmsg (net/socket.c:2784)
[    9.945985][  T200]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.946138][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.946276][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.946423][  T200]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.946563][  T200]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.946701][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.946840][  T200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.947010][  T200] RIP: 0033:0x7f1df101008e
[    9.947171][  T200] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.947668][  T200] RSP: 002b:00007ffcf52bf4e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.947875][  T200] RAX: ffffffffffffffda RBX: 00007ffcf52bfc78 RCX: 00007f1df101008e
[    9.948085][  T200] RDX: 0000000000000000 RSI: 00007ffcf52bf590 RDI: 0000000000000005
[    9.948293][  T200] RBP: 00007ffcf52bf4f0 R08: 0000000000000000 R09: 0000000000000000
[    9.948503][  T200] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cd71


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