======================================
| [    2.577055] ------------[ cut here ]------------
| [    2.577108] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/174
| [    2.577165] Modules linked in: netconsole netdevsim
| [    2.577256] Tainted: [W]=WARN
[    2.577280] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.577315] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.577347] 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
[    2.577447] RSP: 0018:ff791bc840377cc8 EFLAGS: 00010286
[    2.577479] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.577521] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff45efcd41ded000
[    2.577577] RBP: 0000000000000000 R08: ff45efcd412aa0d0 R09: ff45efcd4654602c
[    2.577621] R10: ff45efcd46541118 R11: fefefefefefefeff R12: 0000000000000000
[    2.577663] R13: 0000000000000010 R14: ff45efcd46541000 R15: ff45efcd41ded000
[    2.577706] FS:  00007f5491b5c840(0000) GS:ff45efcdd905a000(0000) knlGS:0000000000000000
[    2.577752] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.577788] CR2: 0000000000479648 CR3: 0000000004924002 CR4: 0000000000771ef0
[    2.577832] PKRU: 55555554
[    2.577846] Call Trace:
[    2.577861]  <TASK>
[    2.577878]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.577898]  register_netdevice (net/core/dev.c:11488)
[    2.577926]  register_netdev (net/core/dev.c:11552)
[    2.577948]  loopback_net_init (drivers/net/loopback.c:218)
[    2.577973]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[    2.578006]  ops_init (net/core/net_namespace.c:137)
[    2.578026]  setup_net (net/core/net_namespace.c:446)
[    2.578044]  copy_net_ns (net/core/net_namespace.c:579)
[    2.578066]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.578095]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.578124]  ksys_unshare (kernel/fork.c:3243)
[    2.578148]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.578175]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.578195]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.578226] RIP: 0033:0x7f5491e1ebcb
[    2.578245] 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
[    2.578344] RSP: 002b:00007ffdc7700d38 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    2.578386] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f5491e1ebcb
[    2.578427] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.578475] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    2.578516] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffdc7702f60
[    2.578562] R13: 0000000000000001 R14: 00007f5491b5c6f8 R15: 00007ffdc7703843
| [    2.582371] ------------[ cut here ]------------
| [    2.582450] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/175
| [    2.582544] Modules linked in: netconsole netdevsim
| [    2.582721] Tainted: [W]=WARN
[    2.582782] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.582856] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.582934] 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
[    2.583074] RSP: 0018:ff791bc84037f720 EFLAGS: 00010286
[    2.583142] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    2.583226] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff45efcd4313ee00
[    2.583307] RBP: 0000000000000000 R08: ff45efcd412aa0d0 R09: ff45efcd42ea702c
[    2.583388] R10: ff45efcd46541118 R11: fefefefefefefeff R12: 0000000000000000
[    2.583469] R13: 0000000000000010 R14: ff45efcd46541000 R15: ff45efcd4313ee00
[    2.583554] FS:  00007fbebbdeb840(0000) GS:ff45efcdd915a000(0000) knlGS:0000000000000000
[    2.583648] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.583723] CR2: 0000000021e5b988 CR3: 000000000339f001 CR4: 0000000000771ef0
[    2.583808] PKRU: 55555554
[    2.583860] Call Trace:
[    2.583913]  <TASK>
[    2.583975]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.584038]  __dev_notify_flags (net/core/dev.c:9787)
[    2.584101]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[    2.584162]  netif_change_flags (net/core/dev.c:9820)
[    2.584226]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    2.584290]  ? __nla_validate_parse (lib/nlattr.c:620)
[    2.584361]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    2.584424]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    2.584486]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    2.584566]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    2.584629]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    2.584692]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.584760]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.584822]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.584884]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.584954]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    2.585018]  ___sys_sendmsg (net/socket.c:2752)
[    2.585082]  __sys_sendmsg (net/socket.c:2784)
[    2.585144]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.585208]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.585276] RIP: 0033:0x7fbebc02508e
[    2.585338] 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
[    2.585478] RSP: 002b:00007ffd85c68b90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.585573] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fbebc02508e
[    2.585655] RDX: 0000000000000000 RSI: 00007ffd85c68c40 RDI: 0000000000000005
[    2.585736] RBP: 00007ffd85c68ba0 R08: 0000000000000000 R09: 0000000000000000
[    2.585818] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf03
[    2.585899] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd85c69310
| [    2.595969] ------------[ cut here ]------------
| [    2.596015] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: bash/149
| [    2.596087] Modules linked in: netconsole netdevsim
| [    2.596200] Tainted: [W]=WARN
[    2.596226] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.596266] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.596299] 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
[    2.596407] RSP: 0018:ff791bc8403a79d0 EFLAGS: 00010286
[    2.596439] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.596490] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff45efcd4313ea00
[    2.596535] RBP: 0000000000000000 R08: ff45efcd43398010 R09: ff45efcd419b7030
[    2.596584] R10: ff45efcd470fe118 R11: fefefefefefefeff R12: 0000000000000000
[    2.596628] R13: 0000000000000010 R14: ff45efcd470fe000 R15: ff45efcd4313ea00
[    2.596684] FS:  00007f20efb57b80(0000) GS:ff45efcdd91da000(0000) knlGS:0000000000000000
[    2.596730] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.596771] CR2: 000056001ad3da28 CR3: 00000000031e5004 CR4: 0000000000771ef0
[    2.596822] PKRU: 55555554
[    2.596839] Call Trace:
[    2.596855]  <TASK>
[    2.596870]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.596895]  register_netdevice (net/core/dev.c:11488)
[    2.596927] nsim_create (drivers/net/netdevsim/netdev.c:1069 drivers/net/netdevsim/netdev.c:1151) netdevsim
[    2.596963] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[    2.597001] nsim_drv_probe (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1731) netdevsim
[    2.597034]  really_probe (drivers/base/dd.c:631 drivers/base/dd.c:709)
[    2.597060]  ? driver_probe_device (./include/linux/list.h:164 (discriminator 3))
[    2.597092]  __driver_probe_device (drivers/base/dd.c:871)
[    2.597131]  driver_probe_device (drivers/base/dd.c:901)
[    2.597155]  __device_attach_driver (drivers/base/dd.c:1029)
[    2.597190]  bus_for_each_drv (drivers/base/bus.c:500)
[    2.597215]  __device_attach (drivers/base/dd.c:1101)
[    2.597241]  device_initial_probe (drivers/base/dd.c:1156)
[    2.597266]  bus_probe_device (drivers/base/bus.c:613)
[    2.597291]  device_add (drivers/base/core.c:3706)
[    2.597317] new_device_store (drivers/net/netdevsim/bus.c:471 drivers/net/netdevsim/bus.c:191) netdevsim
[    2.597350]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[    2.597386]  vfs_write (fs/read_write.c:595 fs/read_write.c:688)
[    2.597413]  ksys_write (fs/read_write.c:740)
[    2.597437]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.597463]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.597494] RIP: 0033:0x7f20efbc908e
[    2.597519] 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
[    2.597630] RSP: 002b:00007fff0c5e90d0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    2.597688] RAX: ffffffffffffffda RBX: 00007f20efd4b580 RCX: 00007f20efbc908e
[    2.597734] RDX: 0000000000000004 RSI: 000056001ad3ca20 RDI: 0000000000000001
[    2.597780] RBP: 00007fff0c5e90e0 R08: 0000000000000000 R09: 0000000000000000
[    2.597824] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[    2.597869] R13: 0000000000000004 R14: 000056001ad3ca20 R15: 0000000000000000
| [    2.598692] ------------[ cut here ]------------
| [    2.598727] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: bash/149
| [    2.598780] Modules linked in: netconsole netdevsim
| [    2.598878] Tainted: [W]=WARN
[    2.598901] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.598940] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.598971] 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
[    2.599074] RSP: 0018:ff791bc8403a79d0 EFLAGS: 00010286
[    2.599103] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.599150] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff45efcd41decc00
[    2.599194] RBP: 0000000000000000 R08: ff45efcd43398710 R09: ff45efcd419b5030
[    2.599238] R10: ff45efcd470fa118 R11: fefefefefefefeff R12: 0000000000000000
[    2.599279] R13: 0000000000000010 R14: ff45efcd470fa000 R15: ff45efcd41decc00
[    2.599327] FS:  00007f20efb57b80(0000) GS:ff45efcdd91da000(0000) knlGS:0000000000000000
[    2.599371] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.599408] CR2: 000056001ad3da28 CR3: 00000000031e5004 CR4: 0000000000771ef0
[    2.599456] PKRU: 55555554
[    2.599471] Call Trace:
[    2.599484]  <TASK>
[    2.599499]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.599528]  register_netdevice (net/core/dev.c:11488)
[    2.599549] nsim_create (drivers/net/netdevsim/netdev.c:1069 drivers/net/netdevsim/netdev.c:1151) netdevsim
[    2.599587] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[    2.599623] nsim_drv_probe (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1731) netdevsim
[    2.599652]  really_probe (drivers/base/dd.c:631 drivers/base/dd.c:709)
[    2.599679]  ? driver_probe_device (./include/linux/list.h:164 (discriminator 3))
[    2.599714]  __driver_probe_device (drivers/base/dd.c:871)
[    2.599746]  driver_probe_device (drivers/base/dd.c:901)
[    2.599774]  __device_attach_driver (drivers/base/dd.c:1029)
[    2.599802]  bus_for_each_drv (drivers/base/bus.c:500)
[    2.599825]  __device_attach (drivers/base/dd.c:1101)
[    2.599851]  device_initial_probe (drivers/base/dd.c:1156)
[    2.599878]  bus_probe_device (drivers/base/bus.c:613)
[    2.599901]  device_add (drivers/base/core.c:3706)
[    2.599929] new_device_store (drivers/net/netdevsim/bus.c:471 drivers/net/netdevsim/bus.c:191) netdevsim
[    2.599968]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[    2.600005]  vfs_write (fs/read_write.c:595 fs/read_write.c:688)
[    2.600030]  ksys_write (fs/read_write.c:740)
[    2.600059]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.600085]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.600113] RIP: 0033:0x7f20efbc908e
[    2.600140] 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
[    2.600237] RSP: 002b:00007fff0c5e9100 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    2.600283] RAX: ffffffffffffffda RBX: 00007f20efd4b580 RCX: 00007f20efbc908e
[    2.600330] RDX: 0000000000000004 RSI: 000056001ad3ca20 RDI: 0000000000000001
[    2.600382] RBP: 00007fff0c5e9110 R08: 0000000000000000 R09: 0000000000000000
[    2.600425] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[    2.600474] R13: 0000000000000004 R14: 000056001ad3ca20 R15: 0000000000000000
| [    2.638580] ------------[ cut here ]------------
| [    2.638661] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/190
| [    2.638729] Modules linked in: netconsole netdevsim
| [    2.638859] Tainted: [W]=WARN
[    2.638883] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.638924] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.638954] 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
[    2.639058] RSP: 0018:ff791bc8403276d8 EFLAGS: 00010286
[    2.639086] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.639131] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff45efcd41deca00
[    2.639172] RBP: 0000000000000000 R08: ff45efcd43398010 R09: ff45efcd47086030
[    2.639216] R10: ff45efcd470fe118 R11: fefefefefefefeff R12: ff791bc84032778c
[    2.639256] R13: 0000000000000011 R14: ff45efcd470fe000 R15: ff45efcd41deca00
[    2.639305] FS:  00007f078ae71840(0000) GS:ff45efcdd905a000(0000) knlGS:0000000000000000
[    2.639340] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.639372] CR2: 00007f078b1411a0 CR3: 0000000007147006 CR4: 0000000000771ef0
[    2.639416] PKRU: 55555554
[    2.639430] Call Trace:
[    2.639447]  <TASK>
[    2.639464]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[    2.639487]  __dev_change_net_namespace (net/core/dev.c:12635)
[    2.639519]  ? rtnl_getlink (net/core/rtnetlink.c:4296 (discriminator 3))
[    2.639542]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[    2.639570]  ? __nla_validate_parse (lib/nlattr.c:620)
[    2.639602]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    2.639624]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    2.639648]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    2.639677]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    2.639699]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    2.639718]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.639748]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.639772]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.639794]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.639851]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    2.639879]  ___sys_sendmsg (net/socket.c:2752)
[    2.639907]  __sys_sendmsg (net/socket.c:2784)
[    2.639939]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.639967]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.640001] RIP: 0033:0x7f078b0ab08e
[    2.640023] 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
[    2.640118] RSP: 002b:00007ffe27e3a9c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.640165] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f078b0ab08e
[    2.640207] RDX: 0000000000000000 RSI: 00007ffe27e3aa70 RDI: 0000000000000005
[    2.640250] RBP: 00007ffe27e3a9d0 R08: 0000000000000000 R09: 0000000000000000
[    2.640291] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf03
[    2.640334] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe27e3b130
| [    2.640492] ------------[ cut here ]------------
| [    2.640534] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/190
| [    2.640592] Modules linked in: netconsole netdevsim
| [    2.640681] Tainted: [W]=WARN
[    2.640703] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.640740] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.640771] 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
[    2.640873] RSP: 0018:ff791bc8403276c8 EFLAGS: 00010286
[    2.640903] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.640954] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff45efcd4313e900
[    2.640997] RBP: 0000000000000000 R08: ff45efcd43398010 R09: ff45efcd46546030
[    2.641040] R10: ff45efcd470fe118 R11: fefefefefefefeff R12: 0000000000000000
[    2.641089] R13: 0000000000000010 R14: ff45efcd470fe000 R15: ff45efcd4313e900
[    2.641133] FS:  00007f078ae71840(0000) GS:ff45efcdd905a000(0000) knlGS:0000000000000000
[    2.641178] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.641215] CR2: 00007f078b1411a0 CR3: 0000000007147006 CR4: 0000000000771ef0
[    2.641258] PKRU: 55555554
[    2.641272] Call Trace:
[    2.641288]  <TASK>
[    2.641303]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.641325]  __dev_change_net_namespace (net/core/dev.c:12695)
[    2.641358]  ? rtnl_getlink (net/core/rtnetlink.c:4296 (discriminator 3))
[    2.641380]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[    2.641403]  ? __nla_validate_parse (lib/nlattr.c:620)
[    2.641432]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    2.641453]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    2.641475]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    2.641509]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    2.641531]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    2.641552]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.641585]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.641607]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.641628]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.641650]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    2.641674]  ___sys_sendmsg (net/socket.c:2752)
[    2.641698]  __sys_sendmsg (net/socket.c:2784)
[    2.641720]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.641740]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.641770] RIP: 0033:0x7f078b0ab08e
[    2.641792] 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
[    2.641889] RSP: 002b:00007ffe27e3a9c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.641948] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f078b0ab08e
[    2.641988] RDX: 0000000000000000 RSI: 00007ffe27e3aa70 RDI: 0000000000000005
[    2.642031] RBP: 00007ffe27e3a9d0 R08: 0000000000000000 R09: 0000000000000000
[    2.642073] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf03
[    2.642114] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe27e3b130
| [    2.655669] ------------[ cut here ]------------
| [    2.655715] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/192
| [    2.655769] Modules linked in: netconsole netdevsim
| [    2.655859] Tainted: [W]=WARN
[    2.655879] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.655923] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.655953] 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
[    2.656054] RSP: 0018:ff791bc8404f3720 EFLAGS: 00010286
[    2.656088] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    2.656133] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff45efcd43179b00
[    2.656176] RBP: 0000000000000000 R08: ff45efcd43398010 R09: ff45efcd46546030
[    2.656219] R10: ff45efcd470fe118 R11: fefefefefefefeff R12: 0000000000000000
[    2.656264] R13: 0000000000000010 R14: ff45efcd470fe000 R15: ff45efcd43179b00
[    2.656314] FS:  00007fec675a1840(0000) GS:ff45efcdd905a000(0000) knlGS:0000000000000000
[    2.656359] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.656395] CR2: 00007fec678711a0 CR3: 0000000007042002 CR4: 0000000000771ef0
[    2.656439] PKRU: 55555554
[    2.656452] Call Trace:
[    2.656467]  <TASK>
[    2.656483]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.656506]  __dev_notify_flags (net/core/dev.c:9787)
[    2.656529]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[    2.656551]  netif_change_flags (net/core/dev.c:9820)
[    2.656577]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    2.656599]  ? __nla_validate_parse (lib/nlattr.c:620)
[    2.656629]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    2.656653]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    2.656676]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    2.656704]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    2.656728]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    2.656751]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.656780]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.656803]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.656825]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.656848]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    2.656871]  ___sys_sendmsg (net/socket.c:2752)
[    2.656900]  __sys_sendmsg (net/socket.c:2784)
[    2.656927]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.656952]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.656982] RIP: 0033:0x7fec677db08e
[    2.657003] 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
[    2.657101] RSP: 002b:00007ffc46217b60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.657134] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fec677db08e
[    2.657173] RDX: 0000000000000000 RSI: 00007ffc46217c10 RDI: 0000000000000005
[    2.657217] RBP: 00007ffc46217b70 R08: 0000000000000000 R09: 0000000000000000
[    2.657258] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf03
[    2.657300] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc462182d0
| [    2.664678] ------------[ cut here ]------------
| [    2.664763] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/194
| [    2.664859] Modules linked in: netconsole netdevsim
| [    2.665038] Tainted: [W]=WARN
[    2.665099] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.665173] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.665244] 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
[    2.665382] RSP: 0018:ff791bc840327720 EFLAGS: 00010286
[    2.665450] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    2.665531] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff45efcd41833100
[    2.665622] RBP: 0000000000000000 R08: ff45efcd43398710 R09: ff45efcd42ea7030
[    2.665706] R10: ff45efcd470fa118 R11: fefefefefefefeff R12: 0000000000000000
[    2.665788] R13: 0000000000000010 R14: ff45efcd470fa000 R15: ff45efcd41833100
[    2.665874] FS:  00007f931d5ce840(0000) GS:ff45efcdd915a000(0000) knlGS:0000000000000000
[    2.666008] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.666087] CR2: 000000001ed01988 CR3: 0000000004931001 CR4: 0000000000771ef0
[    2.666174] PKRU: 55555554
[    2.666228] Call Trace:
[    2.666282]  <TASK>
[    2.666335]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.666399]  __dev_notify_flags (net/core/dev.c:9787)
[    2.666462]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[    2.666524]  netif_change_flags (net/core/dev.c:9820)
[    2.666599]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    2.666670]  ? __nla_validate_parse (lib/nlattr.c:620)
[    2.666740]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    2.666804]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    2.666867]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    2.666961]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    2.667027]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    2.667115]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.667187]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.667252]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.667315]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.667378]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    2.667442]  ___sys_sendmsg (net/socket.c:2752)
[    2.667506]  __sys_sendmsg (net/socket.c:2784)
[    2.667579]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.667642]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.667713] RIP: 0033:0x7f931d80808e
[    2.667778] 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
[    2.667937] RSP: 002b:00007fff372d1090 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.668060] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f931d80808e
[    2.668143] RDX: 0000000000000000 RSI: 00007fff372d1140 RDI: 0000000000000005
[    2.668228] RBP: 00007fff372d10a0 R08: 0000000000000000 R09: 0000000000000000
[    2.668310] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf03
[    2.668396] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff372d1800
| [    2.680307] ------------[ cut here ]------------
| [    2.680368] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: bash/149
| [    2.680429] Modules linked in: netconsole netdevsim
| [    2.680731] Tainted: [W]=WARN
[    2.680754] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.680790] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.680822] 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
[    2.680931] RSP: 0018:ff791bc8403a7b18 EFLAGS: 00010286
[    2.680955] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[    2.680999] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff45efcd41833000
[    2.681040] RBP: 0000000000000000 R08: ff45efcd43398010 R09: ff45efcd46546030
[    2.681082] R10: ff45efcd470fe118 R11: fefefefefefefeff R12: 0000000000000000
[    2.681126] R13: 0000000000000010 R14: ff45efcd470fe000 R15: ff45efcd41833000
[    2.681168] FS:  00007f20efb57b80(0000) GS:ff45efcdd905a000(0000) knlGS:0000000000000000
[    2.681211] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.681247] CR2: 000056001ad29efc CR3: 00000000031e5001 CR4: 0000000000771ef0
[    2.681291] PKRU: 55555554
[    2.681307] Call Trace:
[    2.681323]  <TASK>
[    2.681337]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.681360]  netif_close_many (net/core/dev.c:1804)
[    2.681385]  unregister_netdevice_many_notify (net/core/dev.c:12330 net/core/dev.c:12400)
[    2.681417]  ? __destroy_inode (fs/inode.c:371)
[    2.681442]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309)
[    2.681471] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[    2.681502] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[    2.681532] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[    2.681571] nsim_drv_remove (drivers/net/netdevsim/dev.c:1800) netdevsim
[    2.681601]  device_release_driver_internal (drivers/base/dd.c:1352 drivers/base/dd.c:1375)
[    2.681634]  bus_remove_device (drivers/base/bus.c:657)
[    2.681658]  ? device_remove_attrs (drivers/base/core.c:2844 drivers/base/core.c:2977)
[    2.681690]  device_del (drivers/base/core.c:3895)
[    2.681710]  device_unregister (drivers/base/core.c:3936)
[    2.681730] del_device_store (drivers/net/netdevsim/bus.c:491 drivers/net/netdevsim/bus.c:244) netdevsim
[    2.681761]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[    2.681795]  vfs_write (fs/read_write.c:595 fs/read_write.c:688)
[    2.681818]  ksys_write (fs/read_write.c:740)
[    2.681841]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.681865]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.681894] RIP: 0033:0x7f20efbc908e
[    2.681940] 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
[    2.682043] RSP: 002b:00007fff0c5e9490 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    2.682088] RAX: ffffffffffffffda RBX: 00007f20efd4b580 RCX: 00007f20efbc908e
[    2.682132] RDX: 0000000000000004 RSI: 000056001ad3ca20 RDI: 0000000000000001
[    2.682171] RBP: 00007fff0c5e94a0 R08: 0000000000000000 R09: 0000000000000000
[    2.682214] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[    2.682265] R13: 0000000000000004 R14: 000056001ad3ca20 R15: 0000000000000000
| [    2.682427] ------------[ cut here ]------------
| [    2.682456] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: bash/149
| [    2.682502] Modules linked in: netconsole netdevsim
| [    2.682584] Tainted: [W]=WARN
[    2.682606] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.682642] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.682672] 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
[    2.682774] RSP: 0018:ff791bc8403a7b88 EFLAGS: 00010286
[    2.682803] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.682844] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff45efcd41decf00
[    2.682888] RBP: 0000000000000000 R08: ff45efcd43398010 R09: ff45efcd433e6030
[    2.682933] R10: ff45efcd470fe118 R11: fefefefefefefeff R12: 0000000000000000
[    2.682974] R13: 0000000000000011 R14: ff45efcd470fe000 R15: ff45efcd41decf00
[    2.683017] FS:  00007f20efb57b80(0000) GS:ff45efcdd905a000(0000) knlGS:0000000000000000
[    2.683062] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.683103] CR2: 000056001ad29efc CR3: 00000000031e5001 CR4: 0000000000771ef0
[    2.683346] PKRU: 55555554
[    2.683360] Call Trace:
[    2.683375]  <TASK>
[    2.683390]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    2.683421]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309)
[    2.683450] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[    2.683478] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[    2.683506] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[    2.683535] nsim_drv_remove (drivers/net/netdevsim/dev.c:1800) netdevsim
[    2.683565]  device_release_driver_internal (drivers/base/dd.c:1352 drivers/base/dd.c:1375)
[    2.683597]  bus_remove_device (drivers/base/bus.c:657)
[    2.683619]  ? device_remove_attrs (drivers/base/core.c:2844 drivers/base/core.c:2977)
[    2.683657]  device_del (drivers/base/core.c:3895)
[    2.683682]  device_unregister (drivers/base/core.c:3936)
[    2.683703] del_device_store (drivers/net/netdevsim/bus.c:491 drivers/net/netdevsim/bus.c:244) netdevsim
[    2.683733]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[    2.683764]  vfs_write (fs/read_write.c:595 fs/read_write.c:688)
[    2.683789]  ksys_write (fs/read_write.c:740)
[    2.683813]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.683838]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.683868] RIP: 0033:0x7f20efbc908e
[    2.683891] 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
[    2.683993] RSP: 002b:00007fff0c5e9490 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    2.684038] RAX: ffffffffffffffda RBX: 00007f20efd4b580 RCX: 00007f20efbc908e
[    2.684078] RDX: 0000000000000004 RSI: 000056001ad3ca20 RDI: 0000000000000001
[    2.684118] RBP: 00007fff0c5e94a0 R08: 0000000000000000 R09: 0000000000000000
[    2.684161] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[    2.684206] R13: 0000000000000004 R14: 000056001ad3ca20 R15: 0000000000000000
| [    2.708706] ------------[ cut here ]------------
| [    2.708806] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: bash/149
| [    2.708861] Modules linked in: netconsole netdevsim
| [    2.708948] Tainted: [W]=WARN
[    2.708971] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.709007] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.709037] 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
[    2.709135] RSP: 0018:ff791bc8403a7b18 EFLAGS: 00010286
[    2.709169] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[    2.709208] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff45efcd41decf00
[    2.709253] RBP: 0000000000000000 R08: ff45efcd43398710 R09: ff45efcd429cd030
[    2.709295] R10: ff45efcd470fa118 R11: fefefefefefefeff R12: 0000000000000000
[    2.709329] R13: 0000000000000010 R14: ff45efcd470fa000 R15: ff45efcd41decf00
[    2.709377] FS:  00007f20efb57b80(0000) GS:ff45efcdd905a000(0000) knlGS:0000000000000000
[    2.709427] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.709463] CR2: 000056001ad29efc CR3: 00000000031e5001 CR4: 0000000000771ef0
[    2.709506] PKRU: 55555554
[    2.709520] Call Trace:
[    2.709535]  <TASK>
[    2.709550]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.709577]  netif_close_many (net/core/dev.c:1804)
[    2.709602]  unregister_netdevice_many_notify (net/core/dev.c:12330 net/core/dev.c:12400)
[    2.709636]  ? __destroy_inode (fs/inode.c:371)
[    2.709660]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309)
[    2.709689] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[    2.709724] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[    2.709749] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[    2.709779] nsim_drv_remove (drivers/net/netdevsim/dev.c:1800) netdevsim
[    2.709807]  device_release_driver_internal (drivers/base/dd.c:1352 drivers/base/dd.c:1375)
[    2.709837]  bus_remove_device (drivers/base/bus.c:657)
[    2.709858]  ? device_remove_attrs (drivers/base/core.c:2844 drivers/base/core.c:2977)
[    2.709887]  device_del (drivers/base/core.c:3895)
[    2.709909]  device_unregister (drivers/base/core.c:3936)
[    2.709942] del_device_store (drivers/net/netdevsim/bus.c:491 drivers/net/netdevsim/bus.c:244) netdevsim
[    2.709970]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[    2.709999]  vfs_write (fs/read_write.c:595 fs/read_write.c:688)
[    2.710022]  ksys_write (fs/read_write.c:740)
[    2.710045]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.710070]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.710101] RIP: 0033:0x7f20efbc908e
[    2.710122] 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
[    2.710227] RSP: 002b:00007fff0c5e9590 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    2.710272] RAX: ffffffffffffffda RBX: 00007f20efd4b580 RCX: 00007f20efbc908e
[    2.710316] RDX: 0000000000000004 RSI: 000056001ad3ca20 RDI: 0000000000000001
[    2.710355] RBP: 00007fff0c5e95a0 R08: 0000000000000000 R09: 0000000000000000
[    2.710394] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[    2.710437] R13: 0000000000000004 R14: 000056001ad3ca20 R15: 0000000000000000
| [    2.710607] ------------[ cut here ]------------
| [    2.710634] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: bash/149
| [    2.710674] Modules linked in: netconsole netdevsim
| [    2.710762] Tainted: [W]=WARN
[    2.710782] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.710822] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.710851] 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
[    2.710948] RSP: 0018:ff791bc8403a7b88 EFLAGS: 00010286
[    2.710975] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.711016] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff45efcd41decf00
[    2.711059] RBP: 0000000000000000 R08: ff45efcd43398710 R09: ff45efcd47087030
[    2.711102] R10: ff45efcd470fa118 R11: fefefefefefefeff R12: 0000000000000000
[    2.711147] R13: 0000000000000011 R14: ff45efcd470fa000 R15: ff45efcd41decf00
[    2.711193] FS:  00007f20efb57b80(0000) GS:ff45efcdd905a000(0000) knlGS:0000000000000000
[    2.711235] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.711266] CR2: 000056001ad29efc CR3: 00000000031e5001 CR4: 0000000000771ef0
[    2.711308] PKRU: 55555554
[    2.711326] Call Trace:
[    2.711341]  <TASK>
[    2.711355]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    2.711386]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309)
[    2.711418] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[    2.711447] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[    2.711473] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[    2.711503] nsim_drv_remove (drivers/net/netdevsim/dev.c:1800) netdevsim
[    2.711532]  device_release_driver_internal (drivers/base/dd.c:1352 drivers/base/dd.c:1375)
[    2.711562]  bus_remove_device (drivers/base/bus.c:657)
[    2.711584]  ? device_remove_attrs (drivers/base/core.c:2844 drivers/base/core.c:2977)
[    2.711617]  device_del (drivers/base/core.c:3895)
[    2.711638]  device_unregister (drivers/base/core.c:3936)
[    2.711663] del_device_store (drivers/net/netdevsim/bus.c:491 drivers/net/netdevsim/bus.c:244) netdevsim
[    2.711692]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[    2.711722]  vfs_write (fs/read_write.c:595 fs/read_write.c:688)
[    2.711744]  ksys_write (fs/read_write.c:740)
[    2.711770]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.711791]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.711819] RIP: 0033:0x7f20efbc908e
[    2.711838] 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
[    2.711939] RSP: 002b:00007fff0c5e9590 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    2.711982] RAX: ffffffffffffffda RBX: 00007f20efd4b580 RCX: 00007f20efbc908e
[    2.712023] RDX: 0000000000000004 RSI: 000056001ad3ca20 RDI: 0000000000000001
[    2.712065] RBP: 00007fff0c5e95a0 R08: 0000000000000000 R09: 0000000000000000
[    2.712110] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[    2.712151] R13: 0000000000000004 R14: 000056001ad3ca20 R15: 0000000000000000
| [    2.758866] ------------[ cut here ]------------
| [    2.758930] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [    2.758998] Modules linked in: netconsole netdevsim
| [    2.759096] Tainted: [W]=WARN
[    2.759119] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.759156] Workqueue: netns cleanup_net
[    2.759181] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.759210] 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
[    2.759313] RSP: 0018:ff791bc84023fc08 EFLAGS: 00010286
[    2.759342] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[    2.759385] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff45efcd41ded300
[    2.759424] RBP: 0000000000000000 R08: ff45efcd412aa0d0 R09: ff45efcd419b702c
[    2.759469] R10: ff45efcd46541118 R11: fefefefefefefeff R12: 0000000000000000
[    2.759508] R13: 0000000000000010 R14: ff45efcd46541000 R15: ff45efcd41ded300
[    2.759548] FS:  0000000000000000(0000) GS:ff45efcdd905a000(0000) knlGS:0000000000000000
[    2.759600] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.759639] CR2: 00007f20efd68f98 CR3: 0000000029a42004 CR4: 0000000000771ef0
[    2.759690] PKRU: 55555554
[    2.759705] Call Trace:
[    2.759719]  <TASK>
[    2.759735]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.759757]  netif_close_many (net/core/dev.c:1804)
[    2.759786]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[    2.759816]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    2.759850]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    2.759870]  cleanup_net (net/core/net_namespace.c:702)
[    2.759892]  process_one_work (kernel/workqueue.c:3314)
[    2.759913]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    2.759938]  ? rescuer_thread (kernel/workqueue.c:3672)
[    2.759960]  kthread (kernel/kthread.c:436)
[    2.759980]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    2.760006]  ret_from_fork (arch/x86/kernel/process.c:158)
[    2.760033]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    2.760055]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    2.760198] ------------[ cut here ]------------
| [    2.760226] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [    2.760284] Modules linked in: netconsole netdevsim
| [    2.760373] Tainted: [W]=WARN
[    2.760393] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.760430] Workqueue: netns cleanup_net
[    2.760454] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.760486] 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
[    2.760591] RSP: 0018:ff791bc84023fc78 EFLAGS: 00010286
[    2.760618] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.760660] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff45efcd41ded300
[    2.760700] RBP: 0000000000000000 R08: ff45efcd412aa0d0 R09: ff45efcd4708302c
[    2.760743] R10: ff45efcd46541118 R11: fefefefefefefeff R12: 0000000000000000
[    2.760787] R13: 0000000000000011 R14: ff45efcd46541000 R15: ff45efcd41ded300
[    2.760833] FS:  0000000000000000(0000) GS:ff45efcdd905a000(0000) knlGS:0000000000000000
[    2.760878] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.760913] CR2: 00007f20efd68f98 CR3: 0000000029a42004 CR4: 0000000000771ef0
[    2.760960] PKRU: 55555554
[    2.760974] Call Trace:
[    2.760989]  <TASK>
[    2.761004]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    2.761034]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    2.761063]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    2.761086]  cleanup_net (net/core/net_namespace.c:702)
[    2.761108]  process_one_work (kernel/workqueue.c:3314)
[    2.761130]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    2.761152]  ? rescuer_thread (kernel/workqueue.c:3672)
[    2.761174]  kthread (kernel/kthread.c:436)
[    2.761196]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    2.761218]  ret_from_fork (arch/x86/kernel/process.c:158)
[    2.761238]  ? 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