======================================
| [    2.414591] ------------[ cut here ]------------
| [    2.414649] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/176
| [    2.414708] Modules linked in: netconsole netdevsim
| [    2.414810] Tainted: [W]=WARN
[    2.414832] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.414872] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.414905] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 56 a6 fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 56 a6 fb ff       	call   0xfffffffffffba692
  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:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 56 a6 fb ff       	call   0xfffffffffffba668
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.415006] RSP: 0018:ff2a69b64036fcc8 EFLAGS: 00010286
[    2.415036] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.415077] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff129b0081891b00
[    2.415117] RBP: 0000000000000000 R08: ff129b0081ceb210 R09: ff129b008721202c
[    2.415156] R10: ff129b0082fc5118 R11: fefefefefefefeff R12: 0000000000000000
[    2.415196] R13: 0000000000000010 R14: ff129b0082fc5000 R15: ff129b0081891b00
[    2.415245] FS:  00007f41e82e3840(0000) GS:ff129b0103bda000(0000) knlGS:0000000000000000
[    2.415292] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.415327] CR2: 0000000000479648 CR3: 0000000003f2c001 CR4: 0000000000771ef0
[    2.415377] PKRU: 55555554
[    2.415393] Call Trace:
[    2.415409]  <TASK>
[    2.415427]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.415451]  register_netdevice (net/core/dev.c:11488)
[    2.415475]  register_netdev (net/core/dev.c:11552)
[    2.415497]  loopback_net_init (drivers/net/loopback.c:218)
[    2.415522]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[    2.415557]  ops_init (net/core/net_namespace.c:137)
[    2.415585]  setup_net (net/core/net_namespace.c:446)
[    2.415608]  copy_net_ns (net/core/net_namespace.c:579)
[    2.415632]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.415667]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.415692]  ksys_unshare (kernel/fork.c:3243)
[    2.415714]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.415738]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.415762]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.415794] RIP: 0033:0x7f41e85a5bcb
[    2.415817] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.415920] RSP: 002b:00007ffe5712d238 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    2.415968] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f41e85a5bcb
[    2.416013] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.416058] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    2.416101] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe5712f460
[    2.416147] R13: 0000000000000001 R14: 00007f41e82e36f8 R15: 00007ffe5712f845
| [    2.420023] ------------[ cut here ]------------
| [    2.420101] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/177
| [    2.420193] Modules linked in: netconsole netdevsim
| [    2.420363] Tainted: [W]=WARN
[    2.420420] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.420494] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.420562] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 56 a6 fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 56 a6 fb ff       	call   0xfffffffffffba692
  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:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 56 a6 fb ff       	call   0xfffffffffffba668
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.420710] RSP: 0018:ff2a69b640377720 EFLAGS: 00010286
[    2.420779] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    2.420872] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff129b0081890d00
[    2.420951] RBP: 0000000000000000 R08: ff129b0081ceb210 R09: ff129b0082d2702c
[    2.421034] R10: ff129b0082fc5118 R11: fefefefefefefeff R12: 0000000000000000
[    2.421113] R13: 0000000000000010 R14: ff129b0082fc5000 R15: ff129b0081890d00
[    2.421199] FS:  00007f9c3f4a7840(0000) GS:ff129b0103b5a000(0000) knlGS:0000000000000000
[    2.421282] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.421376] CR2: 000000001248b988 CR3: 00000000066fa002 CR4: 0000000000771ef0
[    2.421458] PKRU: 55555554
[    2.421508] Call Trace:
[    2.421557]  <TASK>
[    2.421607]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.421666]  __dev_notify_flags (net/core/dev.c:9787)
[    2.421726]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[    2.421785]  netif_change_flags (net/core/dev.c:9820)
[    2.421844]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    2.421909]  ? __nla_validate_parse (lib/nlattr.c:620)
[    2.421978]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    2.422037]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    2.422097]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    2.422169]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    2.422234]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    2.422300]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.422376]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.422441]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.422505]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.422569]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    2.422630]  ___sys_sendmsg (net/socket.c:2752)
[    2.422690]  __sys_sendmsg (net/socket.c:2784)
[    2.422750]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.422810]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.422886] RIP: 0033:0x7f9c3f6e108e
[    2.422944] 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
[    2.423088] RSP: 002b:00007ffe57e540d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.423167] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f9c3f6e108e
[    2.423249] RDX: 0000000000000000 RSI: 00007ffe57e54180 RDI: 0000000000000005
[    2.423339] RBP: 00007ffe57e540e0 R08: 0000000000000000 R09: 0000000000000000
[    2.423425] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cfce
[    2.423509] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe57e54850
| [    2.434640] ------------[ cut here ]------------
| [    2.434700] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: bash/150
| [    2.434759] Modules linked in: netconsole netdevsim
| [    2.434867] Tainted: [W]=WARN
[    2.434888] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.434926] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.434956] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 56 a6 fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 56 a6 fb ff       	call   0xfffffffffffba692
  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:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 56 a6 fb ff       	call   0xfffffffffffba668
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.435060] RSP: 0018:ff2a69b6403e79d0 EFLAGS: 00010286
[    2.435090] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.435131] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff129b0083c3d900
[    2.435175] RBP: 0000000000000000 R08: ff129b0082fa6d10 R09: ff129b0087217030
[    2.435220] R10: ff129b00828ca118 R11: fefefefefefefeff R12: 0000000000000000
[    2.435265] R13: 0000000000000010 R14: ff129b00828ca000 R15: ff129b0083c3d900
[    2.435313] FS:  00007f1dc757db80(0000) GS:ff129b0103a5a000(0000) knlGS:0000000000000000
[    2.435362] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.435401] CR2: 0000557f811298e0 CR3: 0000000003303001 CR4: 0000000000771ef0
[    2.435447] PKRU: 55555554
[    2.435461] Call Trace:
[    2.435478]  <TASK>
[    2.435494]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.435517]  register_netdevice (net/core/dev.c:11488)
[    2.435547] nsim_create (drivers/net/netdevsim/netdev.c:1069 drivers/net/netdevsim/netdev.c:1151) netdevsim
[    2.435582] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[    2.435620] nsim_drv_probe (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1731) netdevsim
[    2.435653]  really_probe (drivers/base/dd.c:631 drivers/base/dd.c:709)
[    2.435681]  ? driver_probe_device (./include/linux/list.h:164 (discriminator 3))
[    2.435714]  __driver_probe_device (drivers/base/dd.c:871)
[    2.435748]  driver_probe_device (drivers/base/dd.c:901)
[    2.435775]  __device_attach_driver (drivers/base/dd.c:1029)
[    2.435806]  bus_for_each_drv (drivers/base/bus.c:500)
[    2.435832]  __device_attach (drivers/base/dd.c:1101)
[    2.435861]  device_initial_probe (drivers/base/dd.c:1156)
[    2.435885]  bus_probe_device (drivers/base/bus.c:613)
[    2.435906]  device_add (drivers/base/core.c:3706)
[    2.435931] new_device_store (drivers/net/netdevsim/bus.c:471 drivers/net/netdevsim/bus.c:191) netdevsim
[    2.435965]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[    2.435998]  vfs_write (fs/read_write.c:595 fs/read_write.c:688)
[    2.436025]  ksys_write (fs/read_write.c:740)
[    2.436052]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.436078]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.436111] RIP: 0033:0x7f1dc75ef08e
[    2.436133] 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
[    2.436239] RSP: 002b:00007ffd497e7140 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    2.436283] RAX: ffffffffffffffda RBX: 00007f1dc7771580 RCX: 00007f1dc75ef08e
[    2.436328] RDX: 0000000000000004 RSI: 0000557f9cf7b660 RDI: 0000000000000001
[    2.436374] RBP: 00007ffd497e7150 R08: 0000000000000000 R09: 0000000000000000
[    2.436418] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[    2.436462] R13: 0000000000000004 R14: 0000557f9cf7b660 R15: 0000000000000000
| [    2.436957] ------------[ cut here ]------------
| [    2.437007] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: bash/150
| [    2.437068] Modules linked in: netconsole netdevsim
| [    2.437164] Tainted: [W]=WARN
[    2.437189] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.437227] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.437258] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 56 a6 fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 56 a6 fb ff       	call   0xfffffffffffba692
  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:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 56 a6 fb ff       	call   0xfffffffffffba668
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.437369] RSP: 0018:ff2a69b6403e79d0 EFLAGS: 00010286
[    2.437399] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.437445] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff129b0083c3d800
[    2.437490] RBP: 0000000000000000 R08: ff129b0083d32550 R09: ff129b0087215030
[    2.437535] R10: ff129b0083f6e118 R11: fefefefefefefeff R12: 0000000000000000
[    2.437581] R13: 0000000000000010 R14: ff129b0083f6e000 R15: ff129b0083c3d800
[    2.437628] FS:  00007f1dc757db80(0000) GS:ff129b0103a5a000(0000) knlGS:0000000000000000
[    2.437674] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.437711] CR2: 0000557f811298e0 CR3: 0000000003303001 CR4: 0000000000771ef0
[    2.437757] PKRU: 55555554
[    2.437776] Call Trace:
[    2.437791]  <TASK>
[    2.437806]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.437827]  register_netdevice (net/core/dev.c:11488)
[    2.437861] nsim_create (drivers/net/netdevsim/netdev.c:1069 drivers/net/netdevsim/netdev.c:1151) netdevsim
[    2.437895] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[    2.437931] nsim_drv_probe (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1731) netdevsim
[    2.437964]  really_probe (drivers/base/dd.c:631 drivers/base/dd.c:709)
[    2.437991]  ? driver_probe_device (./include/linux/list.h:164 (discriminator 3))
[    2.438023]  __driver_probe_device (drivers/base/dd.c:871)
[    2.438055]  driver_probe_device (drivers/base/dd.c:901)
[    2.438079]  __device_attach_driver (drivers/base/dd.c:1029)
[    2.438111]  bus_for_each_drv (drivers/base/bus.c:500)
[    2.438134]  __device_attach (drivers/base/dd.c:1101)
[    2.438159]  device_initial_probe (drivers/base/dd.c:1156)
[    2.438185]  bus_probe_device (drivers/base/bus.c:613)
[    2.438210]  device_add (drivers/base/core.c:3706)
[    2.438235] new_device_store (drivers/net/netdevsim/bus.c:471 drivers/net/netdevsim/bus.c:191) netdevsim
[    2.438269]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[    2.438304]  vfs_write (fs/read_write.c:595 fs/read_write.c:688)
[    2.438334]  ksys_write (fs/read_write.c:740)
[    2.438359]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.438391]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.438425] RIP: 0033:0x7f1dc75ef08e
[    2.438449] 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
[    2.438548] RSP: 002b:00007ffd497e7170 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    2.438593] RAX: ffffffffffffffda RBX: 00007f1dc7771580 RCX: 00007f1dc75ef08e
[    2.438639] RDX: 0000000000000004 RSI: 0000557f9cf7b660 RDI: 0000000000000001
[    2.438684] RBP: 00007ffd497e7180 R08: 0000000000000000 R09: 0000000000000000
[    2.438732] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[    2.438776] R13: 0000000000000004 R14: 0000557f9cf7b660 R15: 0000000000000000
| [    2.484901] ------------[ cut here ]------------
| [    2.485036] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/193
| [    2.485139] Modules linked in: netconsole netdevsim
| [    2.485311] Tainted: [W]=WARN
[    2.485377] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.485454] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.485543] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 56 a6 fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 56 a6 fb ff       	call   0xfffffffffffba692
  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:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 56 a6 fb ff       	call   0xfffffffffffba668
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.485689] RSP: 0018:ff2a69b6405136d8 EFLAGS: 00010286
[    2.485758] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.485840] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff129b0081890d00
[    2.485927] RBP: 0000000000000000 R08: ff129b0082fa6d10 R09: ff129b0083fb6830
[    2.486008] R10: ff129b00828ca118 R11: fefefefefefefeff R12: ff2a69b64051378c
[    2.486091] R13: 0000000000000011 R14: ff129b00828ca000 R15: ff129b0081890d00
[    2.486181] FS:  00007ff536279840(0000) GS:ff129b0103b5a000(0000) knlGS:0000000000000000
[    2.486267] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.486350] CR2: 00000000229b1988 CR3: 00000000067d4005 CR4: 0000000000771ef0
[    2.486434] PKRU: 55555554
[    2.486486] Call Trace:
[    2.486540]  <TASK>
[    2.486594]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[    2.486657]  __dev_change_net_namespace (net/core/dev.c:12635)
[    2.486728]  ? rtnl_getlink (net/core/rtnetlink.c:4296 (discriminator 3))
[    2.486790]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[    2.486860]  ? __nla_validate_parse (lib/nlattr.c:620)
[    2.486932]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    2.487001]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    2.487063]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    2.487134]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    2.487202]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    2.487264]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.487336]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.487396]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.487478]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.487543]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    2.487609]  ___sys_sendmsg (net/socket.c:2752)
[    2.487673]  __sys_sendmsg (net/socket.c:2784)
[    2.487736]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.487800]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.487877] RIP: 0033:0x7ff5364b308e
[    2.487936] 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
[    2.488074] RSP: 002b:00007ffcd48e3640 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.488163] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff5364b308e
[    2.488249] RDX: 0000000000000000 RSI: 00007ffcd48e36f0 RDI: 0000000000000005
[    2.488340] RBP: 00007ffcd48e3650 R08: 0000000000000000 R09: 0000000000000000
[    2.488424] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cfce
[    2.488507] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcd48e3db0
| [    2.488829] ------------[ cut here ]------------
| [    2.488909] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/193
| [    2.489001] Modules linked in: netconsole netdevsim
| [    2.489174] Tainted: [W]=WARN
[    2.489233] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.489307] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.489381] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 56 a6 fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 56 a6 fb ff       	call   0xfffffffffffba692
  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:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 56 a6 fb ff       	call   0xfffffffffffba668
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.489518] RSP: 0018:ff2a69b6405136c8 EFLAGS: 00010286
[    2.489582] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.489677] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff129b0081890c00
[    2.489757] RBP: 0000000000000000 R08: ff129b0082fa6d10 R09: ff129b0082d27030
[    2.489839] R10: ff129b00828ca118 R11: fefefefefefefeff R12: 0000000000000000
[    2.489927] R13: 0000000000000010 R14: ff129b00828ca000 R15: ff129b0081890c00
[    2.490011] FS:  00007ff536279840(0000) GS:ff129b0103b5a000(0000) knlGS:0000000000000000
[    2.490090] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.490161] CR2: 00000000229b1988 CR3: 00000000067d4005 CR4: 0000000000771ef0
[    2.490243] PKRU: 55555554
[    2.490296] Call Trace:
[    2.490366]  <TASK>
[    2.490419]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.490482]  __dev_change_net_namespace (net/core/dev.c:12695)
[    2.490550]  ? rtnl_getlink (net/core/rtnetlink.c:4296 (discriminator 3))
[    2.490611]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[    2.490670]  ? __nla_validate_parse (lib/nlattr.c:620)
[    2.490737]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    2.490799]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    2.490871]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    2.490962]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    2.491024]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    2.491088]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.491158]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.491224]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.491286]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.491356]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    2.491421]  ___sys_sendmsg (net/socket.c:2752)
[    2.491485]  __sys_sendmsg (net/socket.c:2784)
[    2.491549]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.491614]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.491683] RIP: 0033:0x7ff5364b308e
[    2.491745] 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
[    2.491891] RSP: 002b:00007ffcd48e3640 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.491975] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff5364b308e
[    2.492059] RDX: 0000000000000000 RSI: 00007ffcd48e36f0 RDI: 0000000000000005
[    2.492138] RBP: 00007ffcd48e3650 R08: 0000000000000000 R09: 0000000000000000
[    2.492247] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cfce
[    2.492337] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcd48e3db0
| [    2.507026] ------------[ cut here ]------------
| [    2.507076] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/195
| [    2.507136] Modules linked in: netconsole netdevsim
| [    2.507233] Tainted: [W]=WARN
[    2.507259] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.507299] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.507336] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 56 a6 fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 56 a6 fb ff       	call   0xfffffffffffba692
  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:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 56 a6 fb ff       	call   0xfffffffffffba668
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.507473] RSP: 0018:ff2a69b640523720 EFLAGS: 00010286
[    2.507523] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    2.507572] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff129b0082f53200
[    2.507618] RBP: 0000000000000000 R08: ff129b0082fa6d10 R09: ff129b0087212030
[    2.507661] R10: ff129b00828ca118 R11: fefefefefefefeff R12: 0000000000000000
[    2.507706] R13: 0000000000000010 R14: ff129b00828ca000 R15: ff129b0082f53200
[    2.507760] FS:  00007f5d75b44840(0000) GS:ff129b0103bda000(0000) knlGS:0000000000000000
[    2.507809] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.507848] CR2: 00000000062fb988 CR3: 0000000003fd2002 CR4: 0000000000771ef0
[    2.507897] PKRU: 55555554
[    2.507913] Call Trace:
[    2.507931]  <TASK>
[    2.507948]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.507975]  __dev_notify_flags (net/core/dev.c:9787)
[    2.508000]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[    2.508024]  netif_change_flags (net/core/dev.c:9820)
[    2.508045]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    2.508075]  ? __nla_validate_parse (lib/nlattr.c:620)
[    2.508108]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    2.508134]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    2.508158]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    2.508192]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    2.508217]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    2.508238]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.508270]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.508294]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.508316]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.508346]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    2.508373]  ___sys_sendmsg (net/socket.c:2752)
[    2.508397]  __sys_sendmsg (net/socket.c:2784)
[    2.508422]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.508449]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.508477] RIP: 0033:0x7f5d75d7e08e
[    2.508514] 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
[    2.508614] RSP: 002b:00007ffc9f19a0f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.508658] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f5d75d7e08e
[    2.508706] RDX: 0000000000000000 RSI: 00007ffc9f19a1a0 RDI: 0000000000000005
[    2.508746] RBP: 00007ffc9f19a100 R08: 0000000000000000 R09: 0000000000000000
[    2.508792] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cfce
[    2.508838] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc9f19a860
| [    2.515795] ------------[ cut here ]------------
| [    2.515876] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/197
| [    2.515968] Modules linked in: netconsole netdevsim
| [    2.516133] Tainted: [W]=WARN
[    2.516190] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.516261] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.516345] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 56 a6 fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 56 a6 fb ff       	call   0xfffffffffffba692
  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:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 56 a6 fb ff       	call   0xfffffffffffba668
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.516511] RSP: 0018:ff2a69b640533720 EFLAGS: 00010286
[    2.516578] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    2.516658] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff129b0083c3a400
[    2.516735] RBP: 0000000000000000 R08: ff129b0083d32550 R09: ff129b0082d27030
[    2.516816] R10: ff129b0083f6e118 R11: fefefefefefefeff R12: 0000000000000000
[    2.516899] R13: 0000000000000010 R14: ff129b0083f6e000 R15: ff129b0083c3a400
[    2.516984] FS:  00007fbd8dc51840(0000) GS:ff129b0103b5a000(0000) knlGS:0000000000000000
[    2.517064] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.517136] CR2: 00007fbd8df211a0 CR3: 0000000003f27001 CR4: 0000000000771ef0
[    2.517215] PKRU: 55555554
[    2.517263] Call Trace:
[    2.517314]  <TASK>
[    2.517388]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.517449]  __dev_notify_flags (net/core/dev.c:9787)
[    2.517510]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[    2.517569]  netif_change_flags (net/core/dev.c:9820)
[    2.517627]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    2.517689]  ? __nla_validate_parse (lib/nlattr.c:620)
[    2.517756]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    2.517821]  ? kmem_cache_alloc_node_noprof (mm/slub.c:4749 mm/slub.c:4883 mm/slub.c:4950)
[    2.517893]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    2.517956]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    2.518021]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    2.518079]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    2.518138]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.518206]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.518266]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.518332]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.518416]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    2.518479]  ___sys_sendmsg (net/socket.c:2752)
[    2.518539]  __sys_sendmsg (net/socket.c:2784)
[    2.518597]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.518656]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.518722] RIP: 0033:0x7fbd8de8b08e
[    2.518780] 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
[    2.518928] RSP: 002b:00007ffc13f15c50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.519007] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fbd8de8b08e
[    2.519085] RDX: 0000000000000000 RSI: 00007ffc13f15d00 RDI: 0000000000000005
[    2.519164] RBP: 00007ffc13f15c60 R08: 0000000000000000 R09: 0000000000000000
[    2.519257] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cfce
[    2.519344] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc13f163c0
| [    2.530969] ------------[ cut here ]------------
| [    2.531029] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: bash/150
| [    2.531107] Modules linked in: netconsole netdevsim
| [    2.531216] Tainted: [W]=WARN
[    2.531246] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.531279] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.531312] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 56 a6 fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 56 a6 fb ff       	call   0xfffffffffffba692
  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:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 56 a6 fb ff       	call   0xfffffffffffba668
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.531403] RSP: 0018:ff2a69b6403e7b18 EFLAGS: 00010286
[    2.531428] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[    2.531468] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff129b0081890d00
[    2.531526] RBP: 0000000000000000 R08: ff129b0082fa6d10 R09: ff129b0081d83030
[    2.531576] R10: ff129b00828ca118 R11: fefefefefefefeff R12: 0000000000000000
[    2.531627] R13: 0000000000000010 R14: ff129b00828ca000 R15: ff129b0081890d00
[    2.531670] FS:  00007f1dc757db80(0000) GS:ff129b0103ada000(0000) knlGS:0000000000000000
[    2.531722] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.531753] CR2: 0000557f9cf715c8 CR3: 0000000003303005 CR4: 0000000000771ef0
[    2.531808] PKRU: 55555554
[    2.531821] Call Trace:
[    2.531844]  <TASK>
[    2.531866]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.531895]  netif_close_many (net/core/dev.c:1804)
[    2.531920]  unregister_netdevice_many_notify (net/core/dev.c:12330 net/core/dev.c:12400)
[    2.531949]  ? __destroy_inode (fs/inode.c:371)
[    2.531984]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309)
[    2.532017] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[    2.532050] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[    2.532079] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[    2.532110] nsim_drv_remove (drivers/net/netdevsim/dev.c:1800) netdevsim
[    2.532147]  device_release_driver_internal (drivers/base/dd.c:1352 drivers/base/dd.c:1375)
[    2.532188]  bus_remove_device (drivers/base/bus.c:657)
[    2.532217]  ? device_remove_attrs (drivers/base/core.c:2844 drivers/base/core.c:2977)
[    2.532246]  device_del (drivers/base/core.c:3895)
[    2.532282]  device_unregister (drivers/base/core.c:3936)
[    2.532302] del_device_store (drivers/net/netdevsim/bus.c:491 drivers/net/netdevsim/bus.c:244) netdevsim
[    2.532343]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[    2.532385]  vfs_write (fs/read_write.c:595 fs/read_write.c:688)
[    2.532411]  ksys_write (fs/read_write.c:740)
[    2.532437]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.532461]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.532491] RIP: 0033:0x7f1dc75ef08e
[    2.532511] 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
[    2.532587] RSP: 002b:00007ffd497e7500 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    2.532650] RAX: ffffffffffffffda RBX: 00007f1dc7771580 RCX: 00007f1dc75ef08e
[    2.532696] RDX: 0000000000000004 RSI: 0000557f9cf7b660 RDI: 0000000000000001
[    2.532748] RBP: 00007ffd497e7510 R08: 0000000000000000 R09: 0000000000000000
[    2.532785] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[    2.532831] R13: 0000000000000004 R14: 0000557f9cf7b660 R15: 0000000000000000
| [    2.532999] ------------[ cut here ]------------
| [    2.533036] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: bash/150
| [    2.533082] Modules linked in: netconsole netdevsim
| [    2.533184] Tainted: [W]=WARN
[    2.533207] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.533243] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.533276] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 56 a6 fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 56 a6 fb ff       	call   0xfffffffffffba692
  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:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 56 a6 fb ff       	call   0xfffffffffffba668
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.533364] RSP: 0018:ff2a69b6403e7b88 EFLAGS: 00010286
[    2.533399] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.533447] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff129b0081890d00
[    2.533489] RBP: 0000000000000000 R08: ff129b0082fa6d10 R09: ff129b0083fb0830
[    2.533523] R10: ff129b00828ca118 R11: fefefefefefefeff R12: 0000000000000000
[    2.533557] R13: 0000000000000011 R14: ff129b00828ca000 R15: ff129b0081890d00
[    2.533592] FS:  00007f1dc757db80(0000) GS:ff129b0103ada000(0000) knlGS:0000000000000000
[    2.533833] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.533904] CR2: 0000557f9cf715c8 CR3: 0000000003303005 CR4: 0000000000771ef0
[    2.533958] PKRU: 55555554
[    2.533971] Call Trace:
[    2.533983]  <TASK>
[    2.533998]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    2.534032]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309)
[    2.534067] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[    2.534119] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[    2.534154] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[    2.534186] nsim_drv_remove (drivers/net/netdevsim/dev.c:1800) netdevsim
[    2.534210]  device_release_driver_internal (drivers/base/dd.c:1352 drivers/base/dd.c:1375)
[    2.534234]  bus_remove_device (drivers/base/bus.c:657)
[    2.534265]  ? device_remove_attrs (drivers/base/core.c:2844 drivers/base/core.c:2977)
[    2.534290]  device_del (drivers/base/core.c:3895)
[    2.534311]  device_unregister (drivers/base/core.c:3936)
[    2.534435] del_device_store (drivers/net/netdevsim/bus.c:491 drivers/net/netdevsim/bus.c:244) netdevsim
[    2.534466]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[    2.534513]  vfs_write (fs/read_write.c:595 fs/read_write.c:688)
[    2.534536]  ksys_write (fs/read_write.c:740)
[    2.534562]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.534583]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.534623] RIP: 0033:0x7f1dc75ef08e
[    2.534642] 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
[    2.534717] RSP: 002b:00007ffd497e7500 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    2.534758] RAX: ffffffffffffffda RBX: 00007f1dc7771580 RCX: 00007f1dc75ef08e
[    2.534807] RDX: 0000000000000004 RSI: 0000557f9cf7b660 RDI: 0000000000000001
[    2.534846] RBP: 00007ffd497e7510 R08: 0000000000000000 R09: 0000000000000000
[    2.534900] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[    2.534938] R13: 0000000000000004 R14: 0000557f9cf7b660 R15: 0000000000000000
| [    2.589340] ------------[ cut here ]------------
| [    2.589453] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: bash/150
| [    2.589512] Modules linked in: netconsole netdevsim
| [    2.589612] Tainted: [W]=WARN
[    2.589635] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.589671] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.589702] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 56 a6 fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 56 a6 fb ff       	call   0xfffffffffffba692
  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:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 56 a6 fb ff       	call   0xfffffffffffba668
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.589808] RSP: 0018:ff2a69b6403e7b18 EFLAGS: 00010286
[    2.589837] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[    2.589890] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff129b0081890d00
[    2.589933] RBP: 0000000000000000 R08: ff129b0083d32550 R09: ff129b0082fc1030
[    2.589976] R10: ff129b0083f6e118 R11: fefefefefefefeff R12: 0000000000000000
[    2.590020] R13: 0000000000000010 R14: ff129b0083f6e000 R15: ff129b0081890d00
[    2.590066] FS:  00007f1dc757db80(0000) GS:ff129b0103ada000(0000) knlGS:0000000000000000
[    2.590112] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.590149] CR2: 0000557f9cf715c8 CR3: 0000000003303005 CR4: 0000000000771ef0
[    2.590199] PKRU: 55555554
[    2.590215] Call Trace:
[    2.590232]  <TASK>
[    2.590246]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.590268]  netif_close_many (net/core/dev.c:1804)
[    2.590289]  unregister_netdevice_many_notify (net/core/dev.c:12330 net/core/dev.c:12400)
[    2.590316]  ? __destroy_inode (fs/inode.c:371)
[    2.590351]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309)
[    2.590385] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[    2.590418] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[    2.590452] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[    2.590482] nsim_drv_remove (drivers/net/netdevsim/dev.c:1800) netdevsim
[    2.590514]  device_release_driver_internal (drivers/base/dd.c:1352 drivers/base/dd.c:1375)
[    2.590545]  bus_remove_device (drivers/base/bus.c:657)
[    2.590568]  ? device_remove_attrs (drivers/base/core.c:2844 drivers/base/core.c:2977)
[    2.590594]  device_del (drivers/base/core.c:3895)
[    2.590616]  device_unregister (drivers/base/core.c:3936)
[    2.590637] del_device_store (drivers/net/netdevsim/bus.c:491 drivers/net/netdevsim/bus.c:244) netdevsim
[    2.590666]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[    2.590697]  vfs_write (fs/read_write.c:595 fs/read_write.c:688)
[    2.590721]  ksys_write (fs/read_write.c:740)
[    2.590741]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.590768]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.590797] RIP: 0033:0x7f1dc75ef08e
[    2.590818] 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
[    2.590918] RSP: 002b:00007ffd497e7600 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    2.590963] RAX: ffffffffffffffda RBX: 00007f1dc7771580 RCX: 00007f1dc75ef08e
[    2.591004] RDX: 0000000000000004 RSI: 0000557f9cf7b660 RDI: 0000000000000001
[    2.591047] RBP: 00007ffd497e7610 R08: 0000000000000000 R09: 0000000000000000
[    2.591091] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[    2.591129] R13: 0000000000000004 R14: 0000557f9cf7b660 R15: 0000000000000000
| [    2.591439] ------------[ cut here ]------------
| [    2.591500] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: bash/150
| [    2.591555] Modules linked in: netconsole netdevsim
| [    2.591642] Tainted: [W]=WARN
[    2.591663] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.591701] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.591729] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 56 a6 fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 56 a6 fb ff       	call   0xfffffffffffba692
  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:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 56 a6 fb ff       	call   0xfffffffffffba668
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.591831] RSP: 0018:ff2a69b6403e7b88 EFLAGS: 00010286
[    2.591864] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.591907] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff129b0082f52900
[    2.591949] RBP: 0000000000000000 R08: ff129b0083d32550 R09: ff129b008720c830
[    2.591992] R10: ff129b0083f6e118 R11: fefefefefefefeff R12: 0000000000000000
[    2.592031] R13: 0000000000000011 R14: ff129b0083f6e000 R15: ff129b0082f52900
[    2.592080] FS:  00007f1dc757db80(0000) GS:ff129b0103ada000(0000) knlGS:0000000000000000
[    2.592125] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.592164] CR2: 0000557f9cf715c8 CR3: 0000000003303005 CR4: 0000000000771ef0
[    2.592204] PKRU: 55555554
[    2.592219] Call Trace:
[    2.592235]  <TASK>
[    2.592251]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    2.592279]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309)
[    2.592306] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[    2.592346] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[    2.592380] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[    2.592409] nsim_drv_remove (drivers/net/netdevsim/dev.c:1800) netdevsim
[    2.592440]  device_release_driver_internal (drivers/base/dd.c:1352 drivers/base/dd.c:1375)
[    2.592471]  bus_remove_device (drivers/base/bus.c:657)
[    2.592493]  ? device_remove_attrs (drivers/base/core.c:2844 drivers/base/core.c:2977)
[    2.592521]  device_del (drivers/base/core.c:3895)
[    2.592545]  device_unregister (drivers/base/core.c:3936)
[    2.592567] del_device_store (drivers/net/netdevsim/bus.c:491 drivers/net/netdevsim/bus.c:244) netdevsim
[    2.592599]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[    2.592628]  vfs_write (fs/read_write.c:595 fs/read_write.c:688)
[    2.592653]  ksys_write (fs/read_write.c:740)
[    2.592676]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.592699]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.592728] RIP: 0033:0x7f1dc75ef08e
[    2.592749] 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
[    2.592847] RSP: 002b:00007ffd497e7600 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    2.592892] RAX: ffffffffffffffda RBX: 00007f1dc7771580 RCX: 00007f1dc75ef08e
[    2.592937] RDX: 0000000000000004 RSI: 0000557f9cf7b660 RDI: 0000000000000001
[    2.592979] RBP: 00007ffd497e7610 R08: 0000000000000000 R09: 0000000000000000
[    2.593021] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[    2.593063] R13: 0000000000000004 R14: 0000557f9cf7b660 R15: 0000000000000000
| [    2.649614] ------------[ cut here ]------------
| [    2.649702] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/64
| [    2.649776] Modules linked in: netconsole netdevsim
| [    2.649898] Tainted: [W]=WARN
[    2.649926] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.649966] Workqueue: netns cleanup_net
[    2.649995] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.650030] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 56 a6 fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 56 a6 fb ff       	call   0xfffffffffffba692
  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:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 56 a6 fb ff       	call   0xfffffffffffba668
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.650129] RSP: 0018:ff2a69b640237c08 EFLAGS: 00010286
[    2.650166] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[    2.650213] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff129b0082f52900
[    2.650265] RBP: 0000000000000000 R08: ff129b0081ceb210 R09: ff129b008721702c
[    2.650308] R10: ff129b0082fc5118 R11: fefefefefefefeff R12: 0000000000000000
[    2.650358] R13: 0000000000000010 R14: ff129b0082fc5000 R15: ff129b0082f52900
[    2.650407] FS:  0000000000000000(0000) GS:ff129b0103ada000(0000) knlGS:0000000000000000
[    2.650455] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.650493] CR2: 00007f1dc778ef98 CR3: 0000000016442002 CR4: 0000000000771ef0
[    2.650539] PKRU: 55555554
[    2.650554] Call Trace:
[    2.650573]  <TASK>
[    2.650590]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.650614]  netif_close_many (net/core/dev.c:1804)
[    2.650642]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[    2.650674]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    2.650710]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    2.650735]  cleanup_net (net/core/net_namespace.c:702)
[    2.650763]  process_one_work (kernel/workqueue.c:3314)
[    2.650802]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    2.650828]  ? rescuer_thread (kernel/workqueue.c:3672)
[    2.650857]  kthread (kernel/kthread.c:436)
[    2.650885]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    2.650910]  ret_from_fork (arch/x86/kernel/process.c:158)
[    2.650939]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    2.650966]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    2.651174] ------------[ cut here ]------------
| [    2.651215] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/64
| [    2.651291] Modules linked in: netconsole netdevsim
| [    2.651394] Tainted: [W]=WARN
[    2.651415] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.651452] Workqueue: netns cleanup_net
[    2.651477] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.651510] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 56 a6 fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 56 a6 fb ff       	call   0xfffffffffffba692
  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:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 56 a6 fb ff       	call   0xfffffffffffba668
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.651618] RSP: 0018:ff2a69b640237c78 EFLAGS: 00010286
[    2.651650] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.651702] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff129b0082f52900
[    2.651758] RBP: 0000000000000000 R08: ff129b0081ceb210 R09: ff129b008720882c
[    2.651805] R10: ff129b0082fc5118 R11: fefefefefefefeff R12: 0000000000000000
[    2.651862] R13: 0000000000000011 R14: ff129b0082fc5000 R15: ff129b0082f52900
[    2.651913] FS:  0000000000000000(0000) GS:ff129b0103ada000(0000) knlGS:0000000000000000
[    2.651961] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.652003] CR2: 00007f1dc778ef98 CR3: 0000000016442002 CR4: 0000000000771ef0
[    2.652053] PKRU: 55555554
[    2.652071] Call Trace:
[    2.652090]  <TASK>
[    2.652107]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    2.652140]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    2.652173]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    2.652199]  cleanup_net (net/core/net_namespace.c:702)
[    2.652224]  process_one_work (kernel/workqueue.c:3314)
[    2.652257]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    2.652282]  ? rescuer_thread (kernel/workqueue.c:3672)
[    2.652305]  kthread (kernel/kthread.c:436)
[    2.652333]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    2.652358]  ret_from_fork (arch/x86/kernel/process.c:158)
[    2.652381]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))


Finger prints:
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:netif_change_flags:rtnl_newlink
rtmsg_ifinfo_build_skb:unregister_netdevice_many_notify:unregister_netdevice_queue:nsim_destroy:__nsim_dev_port_del
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:nsim_create:__nsim_dev_port_add
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:netif_close_many:unregister_netdevice_many_notify:unregister_netdevice_queue
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_change_net_namespace:rtnl_newlink:rtnetlink_rcv_msg
rtmsg_ifinfo_build_skb:rtmsg_ifinfo_newnet:__dev_change_net_namespace:rtnl_newlink:rtnetlink_rcv_msg
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:register_netdev:loopback_net_init
rtmsg_ifinfo_build_skb:unregister_netdevice_many_notify:default_device_exit_batch:ops_undo_list:cleanup_net
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:netif_close_many:unregister_netdevice_many_notify:default_device_exit_batch