======================================
| xx__-> [    9.074598][  T185] ------------[ cut here ]------------
| [    9.074921][  T185] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/185
| [    9.075221][  T185] Modules linked in: veth
| [    9.075786][  T185] Tainted: [W]=WARN
[    9.075954][  T185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.076178][  T185] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.076415][  T185] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.076988][  T185] RSP: 0018:ffa00000008c6e30 EFLAGS: 00010286
[    9.077217][  T185] RAX: 00000000ffffffa6 RBX: ff1100000289f1c0 RCX: 1ff4000000118d8c
[    9.077486][  T185] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000289f278
[    9.077828][  T185] RBP: ff11000008984000 R08: 1fe2200000513e50 R09: ff1100000c8b8b80
[    9.078093][  T185] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.078471][  T185] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000bdf5900
[    9.078748][  T185] FS:  00007f0cc1da3840(0000) GS:ff1100008dab0000(0000) knlGS:0000000000000000
[    9.079143][  T185] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.079474][  T185] CR2: 000000000042ebe0 CR3: 000000000d1a7005 CR4: 0000000000771ef0
[    9.079751][  T185] PKRU: 55555554
[    9.079913][  T185] Call Trace:
[    9.080070][  T185]  <TASK>
[    9.080194][  T185]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.080422][  T185]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.080638][  T185]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.080824][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.081018][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.081210][  T185]  __dev_notify_flags (net/core/dev.c:9787)
[    9.081403][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.081607][  T185]  ? netif_change_name (net/core/dev.c:1495)
[    9.081823][  T185]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.082019][  T185]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.082209][  T185]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.082402][  T185]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.082602][  T185]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.082935][  T185]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.083319][  T185] veth_newlink (drivers/net/veth.c:1871) veth
[    9.083527][  T185]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.083767][  T185]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.083964][  T185]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.084156][  T185]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.084375][  T185]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.084585][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.084805][  T185]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.084997][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.085189][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.085381][  T185]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.085578][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.085888][  T185]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.086083][  T185]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.086282][  T185]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.086584][  T185]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.086798][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.086990][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.087276][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.087474][  T185]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.087678][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.087900][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.088097][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.088297][  T185]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.088590][  T185]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.088804][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.089091][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.089379][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.089581][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.089800][  T185]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.090086][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.090471][  T185]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.090794][  T185]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.090985][  T185]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.091178][  T185]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.091376][  T185]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.091575][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.091982][  T185]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.092282][  T185]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.092484][  T185]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.092796][  T185]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.092994][  T185]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.093192][  T185]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.093415][  T185]  ? move_addr_to_kernel (net/socket.c:258)
[    9.093623][  T185]  ___sys_sendmsg (net/socket.c:2752)
[    9.093833][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.094024][  T185]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.094230][  T185]  __sys_sendmsg (net/socket.c:2784)
[    9.094422][  T185]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.094639][  T185]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.095042][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.095335][  T185]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[    9.095536][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.095747][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.096038][  T185]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.096227][  T185]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.096522][  T185]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.096731][  T185]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.097056][  T185] RIP: 0033:0x7f0cc1fdd08e
[    9.097257][  T185] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.097832][  T185] RSP: 002b:00007ffc2cbb43c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.098283][  T185] RAX: ffffffffffffffda RBX: 00007ffc2cbb4b58 RCX: 00007f0cc1fdd08e
[    9.098650][  T185] RDX: 0000000000000000 RSI: 00007ffc2cbb4470 RDI: 0000000000000005
[    9.099026][  T185] RBP: 00007ffc2cbb43d0 R08: 0000000000000000 R09: 0000000000000000
[    9.099380][  T185] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c9ed
[    9.099643][  T185] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc2cbb4b30
| [    9.130314][  T185] ------------[ cut here ]------------
| [    9.130535][  T185] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/185
| [    9.130848][  T185] Modules linked in: veth
| [    9.131352][  T185] Tainted: [W]=WARN
[    9.131520][  T185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.131752][  T185] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.131982][  T185] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.132589][  T185] RSP: 0018:ffa00000008c71b0 EFLAGS: 00010286
[    9.132832][  T185] RAX: 00000000ffffffa6 RBX: ff1100000ca14c80 RCX: 1ff4000000118dfc
[    9.133084][  T185] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ca14d38
[    9.133337][  T185] RBP: ff11000008e11000 R08: 1fe22000019429a8 R09: ff1100000c8b8b80
[    9.133598][  T185] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.133878][  T185] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.134149][  T185] FS:  00007f0cc1da3840(0000) GS:ff1100008dab0000(0000) knlGS:0000000000000000
[    9.134436][  T185] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.134680][  T185] CR2: 000000000042ebe0 CR3: 000000000d1a7005 CR4: 0000000000771ef0
[    9.134948][  T185] PKRU: 55555554
[    9.135100][  T185] Call Trace:
[    9.135251][  T185]  <TASK>
[    9.135372][  T185]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.135571][  T185]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.135744][  T185]  __dev_notify_flags (net/core/dev.c:9787)
[    9.135937][  T185]  ? netif_change_name (net/core/dev.c:1495)
[    9.136123][  T185]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.136311][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.136508][  T185]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.136711][  T185]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.136908][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.137094][  T185]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.137279][  T185]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.137479][  T185]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.137684][  T185]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.137884][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.138074][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.138262][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.138445][  T185]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.138639][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.138854][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.139042][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.139227][  T185]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.139417][  T185]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.139607][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.139819][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.140007][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.140189][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.140377][  T185]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.140570][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.140775][  T185]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.140970][  T185]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.141153][  T185]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.141341][  T185]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.141536][  T185]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.141738][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.141939][  T185]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.142127][  T185]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.142316][  T185]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.142539][  T185]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.142741][  T185]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.142932][  T185]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.143149][  T185]  ? move_addr_to_kernel (net/socket.c:258)
[    9.143342][  T185]  ___sys_sendmsg (net/socket.c:2752)
[    9.143539][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.143746][  T185]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.143958][  T185]  __sys_sendmsg (net/socket.c:2784)
[    9.144144][  T185]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.144330][  T185]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.144524][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.144732][  T185]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[    9.144927][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.145117][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.145306][  T185]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.145501][  T185]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.145702][  T185]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.145898][  T185]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.146115][  T185] RIP: 0033:0x7f0cc1fdd08e
[    9.146307][  T185] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.146862][  T185] RSP: 002b:00007ffc2cbb43c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.147115][  T185] RAX: ffffffffffffffda RBX: 00007ffc2cbb4b58 RCX: 00007f0cc1fdd08e
[    9.147387][  T185] RDX: 0000000000000000 RSI: 00007ffc2cbb4470 RDI: 0000000000000005
[    9.147650][  T185] RBP: 00007ffc2cbb43d0 R08: 0000000000000000 R09: 0000000000000000
[    9.147926][  T185] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c9ed
[    9.148177][  T185] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc2cbb4b30
| [    9.396550][  T194] ------------[ cut here ]------------
| [    9.397305][  T194] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/194
| [    9.397609][  T194] Modules linked in: veth
| [    9.398223][  T194] Tainted: [W]=WARN
[    9.398382][  T194] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.398619][  T194] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.398880][  T194] 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
[    9.399426][  T194] RSP: 0018:ffa00000008c6e30 EFLAGS: 00010286
[    9.399679][  T194] RAX: 00000000ffffffa6 RBX: ff1100000b732200 RCX: 1ff4000000118d8c
[    9.399953][  T194] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b7322b8
[    9.400226][  T194] RBP: ff1100000f821000 R08: 1fe22000016e6458 R09: ff1100000d340b80
[    9.400496][  T194] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.400781][  T194] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ddd7880
[    9.401046][  T194] FS:  00007f489e3f7840(0000) GS:ff1100008dab0000(0000) knlGS:0000000000000000
[    9.401366][  T194] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.401611][  T194] CR2: 00007fffd748bff0 CR3: 000000000cbba003 CR4: 0000000000771ef0
[    9.401896][  T194] PKRU: 55555554
[    9.402054][  T194] Call Trace:
[    9.402211][  T194]  <TASK>
[    9.402335][  T194]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.402540][  T194]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.402716][  T194]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.402956][  T194]  __dev_notify_flags (net/core/dev.c:9787)
[    9.403151][  T194]  ? netif_change_name (net/core/dev.c:1495)
[    9.403342][  T194]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.403543][  T194]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.403750][  T194]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.403949][  T194]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[    9.404151][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.404346][  T194]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.404545][  T194]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.404788][  T194]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.404982][  T194]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.405179][  T194] veth_newlink (drivers/net/veth.c:1871) veth
[    9.405374][  T194]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.405607][  T194]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.405826][  T194]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.406019][  T194]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.406227][  T194]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.406450][  T194]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.406656][  T194]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.406884][  T194]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.407081][  T194]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.407275][  T194]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.407480][  T194]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.407689][  T194]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.407893][  T194]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.408091][  T194]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.408288][  T194]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.408490][  T194]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.408717][  T194]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.408925][  T194]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.409123][  T194]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.409326][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.409536][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.409746][  T194]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.409944][  T194]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.410136][  T194]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.410327][  T194]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.410557][  T194]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.410768][  T194]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.410965][  T194]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.411160][  T194]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.411352][  T194]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.411556][  T194]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.411769][  T194]  ? 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))
[    9.411961][  T194]  ? 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))
[    9.412155][  T194]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.412350][  T194]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.412568][  T194]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.412786][  T194]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.412982][  T194]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.413175][  T194]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.413371][  T194]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.413572][  T194]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.413784][  T194]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.414015][  T194]  ? move_addr_to_kernel (net/socket.c:258)
[    9.414211][  T194]  ? folio_add_lru_vma (mm/swap.c:536)
[    9.414406][  T194]  ___sys_sendmsg (net/socket.c:2752)
[    9.414609][  T194]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.414827][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.415029][  T194]  ? 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))
[    9.415225][  T194]  __sys_sendmsg (net/socket.c:2784)
[    9.415437][  T194]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.415735][  T194]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.415939][  T194]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.416133][  T194]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.416325][  T194]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.416554][  T194]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.416772][  T194]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.417025][  T194] RIP: 0033:0x7f489e63108e
[    9.417230][  T194] 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
[    9.417818][  T194] RSP: 002b:00007fffd748dd20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.418105][  T194] RAX: ffffffffffffffda RBX: 00007fffd748e4b8 RCX: 00007f489e63108e
[    9.418373][  T194] RDX: 0000000000000000 RSI: 00007fffd748ddd0 RDI: 0000000000000005
[    9.418646][  T194] RBP: 00007fffd748dd30 R08: 0000000000000000 R09: 0000000000000000
[    9.418932][  T194] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c9ed
[    9.419196][  T194] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffd748e490
| [    9.428049][  T194] ------------[ cut here ]------------
| [    9.428266][  T194] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/194
| [    9.428566][  T194] Modules linked in: veth
| [    9.429149][  T194] Tainted: [W]=WARN
[    9.429304][  T194] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.429543][  T194] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.429798][  T194] 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
[    9.430338][  T194] RSP: 0018:ffa00000008c71b0 EFLAGS: 00010286
[    9.430591][  T194] RAX: 00000000ffffffa6 RBX: ff1100000bd8b1c0 RCX: 1ff4000000118dfc
[    9.430874][  T194] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000bd8b278
[    9.431130][  T194] RBP: ff1100000f81c000 R08: 1fe22000017b1650 R09: ff1100000d340b80
[    9.431386][  T194] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.431738][  T194] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.432004][  T194] FS:  00007f489e3f7840(0000) GS:ff1100008dab0000(0000) knlGS:0000000000000000
[    9.432308][  T194] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.432564][  T194] CR2: 00007fffd748bff0 CR3: 000000000cbba003 CR4: 0000000000771ef0
[    9.432855][  T194] PKRU: 55555554
[    9.433012][  T194] Call Trace:
[    9.433168][  T194]  <TASK>
[    9.433290][  T194]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.433501][  T194]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.433675][  T194]  __dev_notify_flags (net/core/dev.c:9787)
[    9.433881][  T194]  ? netif_change_name (net/core/dev.c:1495)
[    9.434071][  T194]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.434266][  T194]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.434468][  T194]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.434675][  T194]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.434879][  T194]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.435081][  T194]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.435270][  T194]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.435493][  T194]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.435706][  T194]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.435909][  T194]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.436099][  T194]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.436292][  T194]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.436489][  T194]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.436695][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.436899][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.437097][  T194]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.437293][  T194]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.437491][  T194]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.437695][  T194]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.437892][  T194]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.438086][  T194]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.438275][  T194]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.438477][  T194]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.438682][  T194]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.438891][  T194]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.439086][  T194]  ? 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))
[    9.439276][  T194]  ? 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))
[    9.439479][  T194]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.439689][  T194]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.439890][  T194]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.440083][  T194]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.440281][  T194]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.440485][  T194]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.440692][  T194]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.440891][  T194]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.441080][  T194]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.441302][  T194]  ? move_addr_to_kernel (net/socket.c:258)
[    9.441503][  T194]  ? folio_add_lru_vma (mm/swap.c:536)
[    9.441715][  T194]  ___sys_sendmsg (net/socket.c:2752)
[    9.441918][  T194]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.442108][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.442306][  T194]  ? 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))
[    9.442508][  T194]  __sys_sendmsg (net/socket.c:2784)
[    9.442717][  T194]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.442923][  T194]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.443118][  T194]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.443309][  T194]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.443505][  T194]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.443710][  T194]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.443937][  T194]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.444160][  T194] RIP: 0033:0x7f489e63108e
[    9.444355][  T194] 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
[    9.444924][  T194] RSP: 002b:00007fffd748dd20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.445229][  T194] RAX: ffffffffffffffda RBX: 00007fffd748e4b8 RCX: 00007f489e63108e
[    9.445491][  T194] RDX: 0000000000000000 RSI: 00007fffd748ddd0 RDI: 0000000000000005
[    9.445770][  T194] RBP: 00007fffd748dd30 R08: 0000000000000000 R09: 0000000000000000
[    9.446071][  T194] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c9ed
[    9.446327][  T194] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffd748e490
| [    9.615850][  T200] ------------[ cut here ]------------
| [    9.616084][  T200] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/200
| [    9.616389][  T200] Modules linked in: veth
| [    9.616934][  T200] Tainted: [W]=WARN
[    9.617092][  T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.617324][  T200] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.617575][  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
[    9.618178][  T200] RSP: 0018:ffa00000008f6e30 EFLAGS: 00010286
[    9.618412][  T200] RAX: 00000000ffffffa6 RBX: ff1100000ab80e40 RCX: 1ff400000011ed8c
[    9.618696][  T200] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ab80ef8
[    9.618966][  T200] RBP: ff1100000f92c000 R08: 1fe22000015701e0 R09: ff1100000bdc5180
[    9.619261][  T200] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.619535][  T200] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f881c80
[    9.619826][  T200] FS:  00007fb05ac82840(0000) GS:ff1100008dab0000(0000) knlGS:0000000000000000
[    9.620128][  T200] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.620355][  T200] CR2: 000000000042ebe0 CR3: 000000000d219003 CR4: 0000000000771ef0
[    9.620627][  T200] PKRU: 55555554
[    9.620816][  T200] Call Trace:
[    9.620974][  T200]  <TASK>
[    9.621111][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.621306][  T200]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.621511][  T200]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.621689][  T200]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[    9.621896][  T200]  __dev_notify_flags (net/core/dev.c:9787)
[    9.622087][  T200]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[    9.622277][  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)
[    9.622479][  T200]  ? netif_change_name (net/core/dev.c:1495)
[    9.622685][  T200]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.622886][  T200]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.623079][  T200]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.623272][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.623474][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.623679][  T200]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.623884][  T200]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.624079][  T200]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.624271][  T200]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.624473][  T200] veth_newlink (drivers/net/veth.c:1871) veth
[    9.624686][  T200]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.624955][  T200]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.625152][  T200]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.625344][  T200]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.625560][  T200]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.625805][  T200]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.626003][  T200]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.626216][  T200]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.626412][  T200]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.626615][  T200]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.626832][  T200]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.627039][  T200]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.627234][  T200]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.627454][  T200]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.627674][  T200]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.627879][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.628069][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.628263][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.628455][  T200]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.628656][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.628880][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.629072][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.629264][  T200]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.629466][  T200]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.629657][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.629876][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.630072][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.630263][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.630497][  T200]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.630707][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.630912][  T200]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.631155][  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))
[    9.631348][  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))
[    9.631547][  T200]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.631757][  T200]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.631955][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.632149][  T200]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.632346][  T200]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.632548][  T200]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.632761][  T200]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.632959][  T200]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.633156][  T200]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.633381][  T200]  ? move_addr_to_kernel (net/socket.c:258)
[    9.633583][  T200]  ___sys_sendmsg (net/socket.c:2752)
[    9.633794][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.633986][  T200]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.634186][  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))
[    9.634383][  T200]  __sys_sendmsg (net/socket.c:2784)
[    9.634579][  T200]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.634798][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.634997][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.635189][  T200]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.635382][  T200]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.635579][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.635796][  T200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.636056][  T200] RIP: 0033:0x7fb05aebc08e
[    9.636254][  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
[    9.636832][  T200] RSP: 002b:00007ffc4f1a1ee0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.637097][  T200] RAX: ffffffffffffffda RBX: 00007ffc4f1a2678 RCX: 00007fb05aebc08e
[    9.637355][  T200] RDX: 0000000000000000 RSI: 00007ffc4f1a1f90 RDI: 0000000000000005
[    9.637623][  T200] RBP: 00007ffc4f1a1ef0 R08: 0000000000000000 R09: 0000000000000000
[    9.637901][  T200] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c9ee
[    9.638198][  T200] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc4f1a2650
| [    9.649886][  T200] ------------[ cut here ]------------
| [    9.650080][  T200] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/200
| [    9.650372][  T200] Modules linked in: veth
| [    9.653393][  T200] Tainted: [W]=WARN
[    9.653558][  T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.653807][  T200] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.654039][  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
[    9.654591][  T200] RSP: 0018:ffa00000008f71b0 EFLAGS: 00010286
[    9.654838][  T200] RAX: 00000000ffffffa6 RBX: ff110000095223c0 RCX: 1ff400000011edfc
[    9.655106][  T200] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009522478
[    9.655360][  T200] RBP: ff1100000f929000 R08: 1fe22000012a4490 R09: ff1100000bdc5180
[    9.655629][  T200] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.655906][  T200] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.656163][  T200] FS:  00007fb05ac82840(0000) GS:ff1100008dab0000(0000) knlGS:0000000000000000
[    9.656452][  T200] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.656701][  T200] CR2: 000000000042ebe0 CR3: 000000000d219003 CR4: 0000000000771ef0
[    9.656998][  T200] PKRU: 55555554
[    9.657151][  T200] Call Trace:
[    9.657304][  T200]  <TASK>
[    9.657426][  T200]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.657626][  T200]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.657846][  T200]  __dev_notify_flags (net/core/dev.c:9787)
[    9.658039][  T200]  ? netif_change_name (net/core/dev.c:1495)
[    9.658227][  T200]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.658414][  T200]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.658613][  T200]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.658829][  T200]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.659021][  T200]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.659244][  T200]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.659432][  T200]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.659635][  T200]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.659855][  T200]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.660044][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.660232][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.660422][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.660618][  T200]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.660862][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.661056][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.661246][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.661432][  T200]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.661631][  T200]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.661845][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.662056][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.662251][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.662438][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.662642][  T200]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.662858][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.663051][  T200]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.663243][  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))
[    9.663430][  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))
[    9.663634][  T200]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.663850][  T200]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.664042][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.664234][  T200]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.664424][  T200]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.664620][  T200]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.664835][  T200]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.665025][  T200]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.665216][  T200]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.665435][  T200]  ? move_addr_to_kernel (net/socket.c:258)
[    9.665636][  T200]  ___sys_sendmsg (net/socket.c:2752)
[    9.665849][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.666037][  T200]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.666234][  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))
[    9.666424][  T200]  __sys_sendmsg (net/socket.c:2784)
[    9.666623][  T200]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.666835][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.667026][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.667214][  T200]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.667401][  T200]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.667599][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.667812][  T200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.668037][  T200] RIP: 0033:0x7fb05aebc08e
[    9.668232][  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
[    9.668794][  T200] RSP: 002b:00007ffc4f1a1ee0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.669050][  T200] RAX: ffffffffffffffda RBX: 00007ffc4f1a2678 RCX: 00007fb05aebc08e
[    9.669306][  T200] RDX: 0000000000000000 RSI: 00007ffc4f1a1f90 RDI: 0000000000000005
[    9.669567][  T200] RBP: 00007ffc4f1a1ef0 R08: 0000000000000000 R09: 0000000000000000
[    9.669844][  T200] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c9ee


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