======================================
| [    2.573284] ------------[ cut here ]------------
| [    2.573341] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/174
| [    2.573407] Modules linked in: netconsole netdevsim
| [    2.573506] Tainted: [W]=WARN
[    2.573527] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.573564] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.573589] 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
[    2.573698] RSP: 0018:ff868fd2c035fcc8 EFLAGS: 00010286
[    2.573731] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.573778] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff36dcde0325d900
[    2.573822] RBP: 0000000000000000 R08: ff36dcde0294c5d0 R09: ff36dcde0755702c
[    2.573866] R10: ff36dcde07552118 R11: fefefefefefefeff R12: 0000000000000000
[    2.573904] R13: 0000000000000010 R14: ff36dcde07552000 R15: ff36dcde0325d900
[    2.573954] FS:  00007f63b79b6840(0000) GS:ff36dcde9625a000(0000) knlGS:0000000000000000
[    2.574001] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.574040] CR2: 0000000000479648 CR3: 0000000004dc1002 CR4: 0000000000771ef0
[    2.574088] PKRU: 55555554
[    2.574103] Call Trace:
[    2.574122]  <TASK>
[    2.574138]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.574167]  register_netdevice (net/core/dev.c:11488)
[    2.574195]  register_netdev (net/core/dev.c:11552)
[    2.574218]  loopback_net_init (drivers/net/loopback.c:218)
[    2.574245]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[    2.574283]  ops_init (net/core/net_namespace.c:137)
[    2.574312]  setup_net (net/core/net_namespace.c:446)
[    2.574336]  copy_net_ns (net/core/net_namespace.c:579)
[    2.574355]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.574389]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.574420]  ksys_unshare (kernel/fork.c:3243)
[    2.574444]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.574468]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.574495]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.574527] RIP: 0033:0x7f63b7c78bcb
[    2.574551] 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
[    2.574655] RSP: 002b:00007ffd8320fce8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.574703] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f63b7c78bcb
[    2.574749] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.574793] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    2.574835] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd83211f10
[    2.574880] R13: 0000000000000001 R14: 00007f63b79b66f8 R15: 00007ffd83213845
| [    2.578838] ------------[ cut here ]------------
| [    2.578926] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/175
| [    2.579020] Modules linked in: netconsole netdevsim
| [    2.579216] Tainted: [W]=WARN
[    2.579276] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.579348] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.579417] 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
[    2.579555] RSP: 0018:ff868fd2c035f720 EFLAGS: 00010286
[    2.579635] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    2.579718] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff36dcde03264600
[    2.579797] RBP: 0000000000000000 R08: ff36dcde0294c5d0 R09: ff36dcde02db702c
[    2.579886] R10: ff36dcde07552118 R11: fefefefefefefeff R12: 0000000000000000
[    2.579969] R13: 0000000000000010 R14: ff36dcde07552000 R15: ff36dcde03264600
[    2.580054] FS:  00007fe32396c840(0000) GS:ff36dcde9635a000(0000) knlGS:0000000000000000
[    2.580136] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.580212] CR2: 000000000bf6e988 CR3: 0000000004ef7006 CR4: 0000000000771ef0
[    2.580293] PKRU: 55555554
[    2.580344] Call Trace:
[    2.580397]  <TASK>
[    2.580449]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.580512]  __dev_notify_flags (net/core/dev.c:9787)
[    2.580574]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[    2.580641]  netif_change_flags (net/core/dev.c:9820)
[    2.580703]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    2.580768]  ? __nla_validate_parse (lib/nlattr.c:620)
[    2.580838]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    2.580912]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    2.580974]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    2.581044]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    2.581106]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    2.581166]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.581237]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.581299]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.581361]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.581422]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    2.581485]  ___sys_sendmsg (net/socket.c:2752)
[    2.581547]  __sys_sendmsg (net/socket.c:2784)
[    2.581620]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.581684]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.581753] RIP: 0033:0x7fe323ba608e
[    2.581813] 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
[    2.581952] RSP: 002b:00007fff8acac250 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.582037] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fe323ba608e
[    2.582120] RDX: 0000000000000000 RSI: 00007fff8acac300 RDI: 0000000000000005
[    2.582204] RBP: 00007fff8acac260 R08: 0000000000000000 R09: 0000000000000000
[    2.582287] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce6f
[    2.582370] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff8acac9d0
| [    2.592986] ------------[ cut here ]------------
| [    2.593034] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: bash/149
| [    2.593104] Modules linked in: netconsole netdevsim
| [    2.593199] Tainted: [W]=WARN
[    2.593226] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.593263] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.593293] 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
[    2.593400] RSP: 0018:ff868fd2c038f9d0 EFLAGS: 00010286
[    2.593426] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.593470] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff36dcde03264100
[    2.593514] RBP: 0000000000000000 R08: ff36dcde0293f550 R09: ff36dcde07555030
[    2.593558] R10: ff36dcde0754a118 R11: fefefefefefefeff R12: 0000000000000000
[    2.593606] R13: 0000000000000010 R14: ff36dcde0754a000 R15: ff36dcde03264100
[    2.593652] FS:  00007fb9e847db80(0000) GS:ff36dcde9625a000(0000) knlGS:0000000000000000
[    2.593700] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.593740] CR2: 00005564db8f18e0 CR3: 000000000296c006 CR4: 0000000000771ef0
[    2.593785] PKRU: 55555554
[    2.593800] Call Trace:
[    2.593815]  <TASK>
[    2.593836]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.593864]  register_netdevice (net/core/dev.c:11488)
[    2.593894] nsim_create (drivers/net/netdevsim/netdev.c:1069 drivers/net/netdevsim/netdev.c:1151) netdevsim
[    2.593929] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[    2.593962] nsim_drv_probe (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1731) netdevsim
[    2.593995]  really_probe (drivers/base/dd.c:631 drivers/base/dd.c:709)
[    2.594020]  ? driver_probe_device (./include/linux/list.h:164 (discriminator 3))
[    2.594050]  __driver_probe_device (drivers/base/dd.c:871)
[    2.594080]  driver_probe_device (drivers/base/dd.c:901)
[    2.594104]  __device_attach_driver (drivers/base/dd.c:1029)
[    2.594134]  bus_for_each_drv (drivers/base/bus.c:500)
[    2.594156]  __device_attach (drivers/base/dd.c:1101)
[    2.594180]  device_initial_probe (drivers/base/dd.c:1156)
[    2.594203]  bus_probe_device (drivers/base/bus.c:613)
[    2.594227]  device_add (drivers/base/core.c:3706)
[    2.594251] new_device_store (drivers/net/netdevsim/bus.c:471 drivers/net/netdevsim/bus.c:191) netdevsim
[    2.594284]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[    2.594318]  vfs_write (fs/read_write.c:595 fs/read_write.c:688)
[    2.594342]  ksys_write (fs/read_write.c:740)
[    2.594370]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.594396]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.594427] RIP: 0033:0x7fb9e84ef08e
[    2.594448] 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
[    2.594549] RSP: 002b:00007fff36cf38e0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    2.594602] RAX: ffffffffffffffda RBX: 00007fb9e8671580 RCX: 00007fb9e84ef08e
[    2.594644] RDX: 0000000000000004 RSI: 00005564ea6da920 RDI: 0000000000000001
[    2.594691] RBP: 00007fff36cf38f0 R08: 0000000000000000 R09: 0000000000000000
[    2.594735] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[    2.594781] R13: 0000000000000004 R14: 00005564ea6da920 R15: 0000000000000000
| [    2.595277] ------------[ cut here ]------------
| [    2.595344] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: bash/149
| [    2.595403] Modules linked in: netconsole netdevsim
| [    2.595500] Tainted: [W]=WARN
[    2.595523] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.595562] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.595599] 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
[    2.595709] RSP: 0018:ff868fd2c038f9d0 EFLAGS: 00010286
[    2.595743] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.595789] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff36dcde0325fb00
[    2.595837] RBP: 0000000000000000 R08: ff36dcde032f4c10 R09: ff36dcde0756b030
[    2.595891] R10: ff36dcde07566118 R11: fefefefefefefeff R12: 0000000000000000
[    2.595937] R13: 0000000000000010 R14: ff36dcde07566000 R15: ff36dcde0325fb00
[    2.595983] FS:  00007fb9e847db80(0000) GS:ff36dcde9625a000(0000) knlGS:0000000000000000
[    2.596029] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.596066] CR2: 00005564db8f18e0 CR3: 000000000296c006 CR4: 0000000000771ef0
[    2.596109] PKRU: 55555554
[    2.596122] Call Trace:
[    2.596137]  <TASK>
[    2.596152]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.596176]  register_netdevice (net/core/dev.c:11488)
[    2.596201] nsim_create (drivers/net/netdevsim/netdev.c:1069 drivers/net/netdevsim/netdev.c:1151) netdevsim
[    2.596234] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[    2.596268] nsim_drv_probe (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1731) netdevsim
[    2.596301]  really_probe (drivers/base/dd.c:631 drivers/base/dd.c:709)
[    2.596326]  ? driver_probe_device (./include/linux/list.h:164 (discriminator 3))
[    2.596357]  __driver_probe_device (drivers/base/dd.c:871)
[    2.596396]  driver_probe_device (drivers/base/dd.c:901)
[    2.596421]  __device_attach_driver (drivers/base/dd.c:1029)
[    2.596452]  bus_for_each_drv (drivers/base/bus.c:500)
[    2.596477]  __device_attach (drivers/base/dd.c:1101)
[    2.596500]  device_initial_probe (drivers/base/dd.c:1156)
[    2.596523]  bus_probe_device (drivers/base/bus.c:613)
[    2.596547]  device_add (drivers/base/core.c:3706)
[    2.596570] new_device_store (drivers/net/netdevsim/bus.c:471 drivers/net/netdevsim/bus.c:191) netdevsim
[    2.596610]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[    2.596645]  vfs_write (fs/read_write.c:595 fs/read_write.c:688)
[    2.596672]  ksys_write (fs/read_write.c:740)
[    2.596696]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.596720]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.596750] RIP: 0033:0x7fb9e84ef08e
[    2.596773] 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
[    2.596882] RSP: 002b:00007fff36cf3910 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    2.596924] RAX: ffffffffffffffda RBX: 00007fb9e8671580 RCX: 00007fb9e84ef08e
[    2.596968] RDX: 0000000000000004 RSI: 00005564ea6da920 RDI: 0000000000000001
[    2.597012] RBP: 00007fff36cf3920 R08: 0000000000000000 R09: 0000000000000000
[    2.597055] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[    2.597094] R13: 0000000000000004 R14: 00005564ea6da920 R15: 0000000000000000
| [    2.641640] ------------[ cut here ]------------
| [    2.641732] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/191
| [    2.641794] Modules linked in: netconsole netdevsim
| [    2.641899] Tainted: [W]=WARN
[    2.641922] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.641960] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.641984] 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
[    2.642083] RSP: 0018:ff868fd2c05036d8 EFLAGS: 00010286
[    2.642115] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.642162] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff36dcde01892100
[    2.642203] RBP: 0000000000000000 R08: ff36dcde0293f550 R09: ff36dcde0755d030
[    2.642240] R10: ff36dcde0754a118 R11: fefefefefefefeff R12: ff868fd2c050378c
[    2.642285] R13: 0000000000000011 R14: ff36dcde0754a000 R15: ff36dcde01892100
[    2.642335] FS:  00007f330bffe840(0000) GS:ff36dcde963da000(0000) knlGS:0000000000000000
[    2.642380] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.642417] CR2: 000000000e9fb988 CR3: 0000000004ef1005 CR4: 0000000000771ef0
[    2.642461] PKRU: 55555554
[    2.642476] Call Trace:
[    2.642492]  <TASK>
[    2.642507]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[    2.642532]  __dev_change_net_namespace (net/core/dev.c:12635)
[    2.642561]  ? rtnl_getlink (net/core/rtnetlink.c:4296 (discriminator 3))
[    2.642583]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[    2.642613]  ? __nla_validate_parse (lib/nlattr.c:620)
[    2.642646]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    2.642669]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    2.642690]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    2.642721]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    2.642746]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    2.642767]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.642797]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.642821]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.642844]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.642874]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    2.642903]  ___sys_sendmsg (net/socket.c:2752)
[    2.642926]  __sys_sendmsg (net/socket.c:2784)
[    2.642947]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.642972]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.643003] RIP: 0033:0x7f330c23808e
[    2.643026] 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
[    2.643126] RSP: 002b:00007ffe08eb8b70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.643171] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f330c23808e
[    2.643215] RDX: 0000000000000000 RSI: 00007ffe08eb8c20 RDI: 0000000000000005
[    2.643258] RBP: 00007ffe08eb8b80 R08: 0000000000000000 R09: 0000000000000000
[    2.643305] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce6f
[    2.643346] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe08eb92e0
| [    2.643522] ------------[ cut here ]------------
| [    2.643561] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/191
| [    2.643619] Modules linked in: netconsole netdevsim
| [    2.643715] Tainted: [W]=WARN
[    2.643738] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.643773] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.643798] 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
[    2.643901] RSP: 0018:ff868fd2c05036c8 EFLAGS: 00010286
[    2.643932] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.643978] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff36dcde01dea500
[    2.644019] RBP: 0000000000000000 R08: ff36dcde0293f550 R09: ff36dcde01ca9030
[    2.644060] R10: ff36dcde0754a118 R11: fefefefefefefeff R12: 0000000000000000
[    2.644099] R13: 0000000000000010 R14: ff36dcde0754a000 R15: ff36dcde01dea500
[    2.644147] FS:  00007f330bffe840(0000) GS:ff36dcde963da000(0000) knlGS:0000000000000000
[    2.644191] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.644228] CR2: 000000000e9fb988 CR3: 0000000004ef1005 CR4: 0000000000771ef0
[    2.644274] PKRU: 55555554
[    2.644288] Call Trace:
[    2.644302]  <TASK>
[    2.644317]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.644340]  __dev_change_net_namespace (net/core/dev.c:12695)
[    2.644369]  ? rtnl_getlink (net/core/rtnetlink.c:4296 (discriminator 3))
[    2.644387]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[    2.644412]  ? __nla_validate_parse (lib/nlattr.c:620)
[    2.644444]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    2.644473]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    2.644499]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    2.644531]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    2.644551]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    2.644573]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.644607]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.644631]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.644660]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.644683]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    2.644706]  ___sys_sendmsg (net/socket.c:2752)
[    2.644735]  __sys_sendmsg (net/socket.c:2784)
[    2.644758]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.644782]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.644811] RIP: 0033:0x7f330c23808e
[    2.644833] 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
[    2.644968] RSP: 002b:00007ffe08eb8b70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.645011] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f330c23808e
[    2.645052] RDX: 0000000000000000 RSI: 00007ffe08eb8c20 RDI: 0000000000000005
[    2.645095] RBP: 00007ffe08eb8b80 R08: 0000000000000000 R09: 0000000000000000
[    2.645134] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce6f
[    2.645173] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe08eb92e0
| [    2.660313] ------------[ cut here ]------------
| [    2.660368] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/193
| [    2.660429] Modules linked in: netconsole netdevsim
| [    2.660526] Tainted: [W]=WARN
[    2.660546] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.660584] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.660619] 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
[    2.660717] RSP: 0018:ff868fd2c0513720 EFLAGS: 00010286
[    2.660747] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    2.660787] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff36dcde0325d700
[    2.660827] RBP: 0000000000000000 R08: ff36dcde0293f550 R09: ff36dcde01ca9030
[    2.660875] R10: ff36dcde0754a118 R11: fefefefefefefeff R12: 0000000000000000
[    2.660917] R13: 0000000000000010 R14: ff36dcde0754a000 R15: ff36dcde0325d700
[    2.660964] FS:  00007f18d856d840(0000) GS:ff36dcde963da000(0000) knlGS:0000000000000000
[    2.661006] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.661042] CR2: 000000000884f988 CR3: 0000000007599002 CR4: 0000000000771ef0
[    2.661081] PKRU: 55555554
[    2.661097] Call Trace:
[    2.661120]  <TASK>
[    2.661134]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.661156]  __dev_notify_flags (net/core/dev.c:9787)
[    2.661182]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[    2.661205]  netif_change_flags (net/core/dev.c:9820)
[    2.661230]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    2.661251]  ? __nla_validate_parse (lib/nlattr.c:620)
[    2.661281]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    2.661304]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    2.661333]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    2.661363]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    2.661383]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    2.661404]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.661429]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.661450]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.661472]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.661498]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    2.661521]  ___sys_sendmsg (net/socket.c:2752)
[    2.661542]  __sys_sendmsg (net/socket.c:2784)
[    2.661566]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.661586]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.661616] RIP: 0033:0x7f18d87a708e
[    2.661639] 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
[    2.661738] RSP: 002b:00007fff8e3cee70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.661780] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f18d87a708e
[    2.661825] RDX: 0000000000000000 RSI: 00007fff8e3cef20 RDI: 0000000000000005
[    2.661874] RBP: 00007fff8e3cee80 R08: 0000000000000000 R09: 0000000000000000
[    2.661912] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce6f
[    2.661952] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff8e3cf5e0
| [    2.669430] ------------[ cut here ]------------
| [    2.669484] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/195
| [    2.669540] Modules linked in: netconsole netdevsim
| [    2.669636] Tainted: [W]=WARN
[    2.669663] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.669702] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.669733] 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
[    2.669833] RSP: 0018:ff868fd2c0523720 EFLAGS: 00010286
[    2.669863] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    2.669917] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff36dcde01deb800
[    2.669961] RBP: 0000000000000000 R08: ff36dcde032f4c10 R09: ff36dcde01ca9030
[    2.670003] R10: ff36dcde07566118 R11: fefefefefefefeff R12: 0000000000000000
[    2.670045] R13: 0000000000000010 R14: ff36dcde07566000 R15: ff36dcde01deb800
[    2.670092] FS:  00007fb534f90840(0000) GS:ff36dcde963da000(0000) knlGS:0000000000000000
[    2.670138] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.670170] CR2: 00007fb5352601a0 CR3: 00000000075ee005 CR4: 0000000000771ef0
[    2.670213] PKRU: 55555554
[    2.670227] Call Trace:
[    2.670244]  <TASK>
[    2.670258]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.670280]  __dev_notify_flags (net/core/dev.c:9787)
[    2.670304]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[    2.670325]  netif_change_flags (net/core/dev.c:9820)
[    2.670344]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    2.670369]  ? __nla_validate_parse (lib/nlattr.c:620)
[    2.670395]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    2.670418]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    2.670443]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    2.670478]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    2.670500]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    2.670527]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.670559]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.670581]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.670608]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.670632]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    2.670657]  ___sys_sendmsg (net/socket.c:2752)
[    2.670679]  __sys_sendmsg (net/socket.c:2784)
[    2.670702]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.670726]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.670757] RIP: 0033:0x7fb5351ca08e
[    2.670778] 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
[    2.670885] RSP: 002b:00007ffdddc90ec0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.670928] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fb5351ca08e
[    2.670970] RDX: 0000000000000000 RSI: 00007ffdddc90f70 RDI: 0000000000000005
[    2.671010] RBP: 00007ffdddc90ed0 R08: 0000000000000000 R09: 0000000000000000
[    2.671054] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce6f
[    2.671094] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdddc91630
| [    2.684331] ------------[ cut here ]------------
| [    2.684387] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: bash/149
| [    2.684449] Modules linked in: netconsole netdevsim
| [    2.684550] Tainted: [W]=WARN
[    2.684572] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.684620] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.684651] 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
[    2.684759] RSP: 0018:ff868fd2c038fb18 EFLAGS: 00010286
[    2.684790] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[    2.684837] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff36dcde01892100
[    2.684884] RBP: 0000000000000000 R08: ff36dcde0293f550 R09: ff36dcde0756b030
[    2.684924] R10: ff36dcde0754a118 R11: fefefefefefefeff R12: 0000000000000000
[    2.684973] R13: 0000000000000010 R14: ff36dcde0754a000 R15: ff36dcde01892100
[    2.685021] FS:  00007fb9e847db80(0000) GS:ff36dcde9625a000(0000) knlGS:0000000000000000
[    2.685069] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.685105] CR2: 00005564db8f1620 CR3: 000000000296c004 CR4: 0000000000771ef0
[    2.685147] PKRU: 55555554
[    2.685162] Call Trace:
[    2.685179]  <TASK>
[    2.685195]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.685224]  netif_close_many (net/core/dev.c:1804)
[    2.685250]  unregister_netdevice_many_notify (net/core/dev.c:12330 net/core/dev.c:12400)
[    2.685281]  ? __destroy_inode (fs/inode.c:371)
[    2.685309]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309)
[    2.685340] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[    2.685374] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[    2.685407] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[    2.685438] nsim_drv_remove (drivers/net/netdevsim/dev.c:1800) netdevsim
[    2.685473]  device_release_driver_internal (drivers/base/dd.c:1352 drivers/base/dd.c:1375)
[    2.685513]  bus_remove_device (drivers/base/bus.c:657)
[    2.685538]  ? device_remove_attrs (drivers/base/core.c:2844 drivers/base/core.c:2977)
[    2.685569]  device_del (drivers/base/core.c:3895)
[    2.685601]  device_unregister (drivers/base/core.c:3936)
[    2.685625] del_device_store (drivers/net/netdevsim/bus.c:491 drivers/net/netdevsim/bus.c:244) netdevsim
[    2.685659]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[    2.685691]  vfs_write (fs/read_write.c:595 fs/read_write.c:688)
[    2.685717]  ksys_write (fs/read_write.c:740)
[    2.685741]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.685768]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.685799] RIP: 0033:0x7fb9e84ef08e
[    2.685822] 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
[    2.685941] RSP: 002b:00007fff36cf3ca0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    2.685984] RAX: ffffffffffffffda RBX: 00007fb9e8671580 RCX: 00007fb9e84ef08e
[    2.686029] RDX: 0000000000000004 RSI: 00005564ea6da920 RDI: 0000000000000001
[    2.686074] RBP: 00007fff36cf3cb0 R08: 0000000000000000 R09: 0000000000000000
[    2.686118] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[    2.686164] R13: 0000000000000004 R14: 00005564ea6da920 R15: 0000000000000000
| [    2.686335] ------------[ cut here ]------------
| [    2.686362] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: bash/149
| [    2.686422] Modules linked in: netconsole netdevsim
| [    2.686518] Tainted: [W]=WARN
[    2.686540] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.686577] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.686613] 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
[    2.686720] RSP: 0018:ff868fd2c038fb88 EFLAGS: 00010286
[    2.686752] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.686799] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff36dcde01892100
[    2.686842] RBP: 0000000000000000 R08: ff36dcde0293f550 R09: ff36dcde07558030
[    2.686893] R10: ff36dcde0754a118 R11: fefefefefefefeff R12: 0000000000000000
[    2.686938] R13: 0000000000000011 R14: ff36dcde0754a000 R15: ff36dcde01892100
[    2.686986] FS:  00007fb9e847db80(0000) GS:ff36dcde9625a000(0000) knlGS:0000000000000000
[    2.687036] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.687070] CR2: 00005564db8f1620 CR3: 000000000296c004 CR4: 0000000000771ef0
[    2.687117] PKRU: 55555554
[    2.687133] Call Trace:
[    2.687149]  <TASK>
[    2.687163]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    2.687198]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309)
[    2.687231] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[    2.687261] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[    2.687293] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[    2.687327] nsim_drv_remove (drivers/net/netdevsim/dev.c:1800) netdevsim
[    2.687359]  device_release_driver_internal (drivers/base/dd.c:1352 drivers/base/dd.c:1375)
[    2.687391]  bus_remove_device (drivers/base/bus.c:657)
[    2.687416]  ? device_remove_attrs (drivers/base/core.c:2844 drivers/base/core.c:2977)
[    2.687454]  device_del (drivers/base/core.c:3895)
[    2.687478]  device_unregister (drivers/base/core.c:3936)
[    2.687501] del_device_store (drivers/net/netdevsim/bus.c:491 drivers/net/netdevsim/bus.c:244) netdevsim
[    2.687533]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[    2.687565]  vfs_write (fs/read_write.c:595 fs/read_write.c:688)
[    2.687598]  ksys_write (fs/read_write.c:740)
[    2.687622]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.687647]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.687678] RIP: 0033:0x7fb9e84ef08e
[    2.687699] 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
[    2.687808] RSP: 002b:00007fff36cf3ca0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    2.687853] RAX: ffffffffffffffda RBX: 00007fb9e8671580 RCX: 00007fb9e84ef08e
[    2.687902] RDX: 0000000000000004 RSI: 00005564ea6da920 RDI: 0000000000000001
[    2.687947] RBP: 00007fff36cf3cb0 R08: 0000000000000000 R09: 0000000000000000
[    2.687991] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[    2.688036] R13: 0000000000000004 R14: 00005564ea6da920 R15: 0000000000000000
| [    2.723254] ------------[ cut here ]------------
| [    2.723338] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: bash/149
| [    2.723399] Modules linked in: netconsole netdevsim
| [    2.723492] Tainted: [W]=WARN
[    2.723513] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.723551] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.723580] 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
[    2.723686] RSP: 0018:ff868fd2c038fb18 EFLAGS: 00010286
[    2.723715] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[    2.723754] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff36dcde01892100
[    2.723798] RBP: 0000000000000000 R08: ff36dcde032f4c10 R09: ff36dcde07557030
[    2.723841] R10: ff36dcde07566118 R11: fefefefefefefeff R12: 0000000000000000
[    2.723889] R13: 0000000000000010 R14: ff36dcde07566000 R15: ff36dcde01892100
[    2.723936] FS:  00007fb9e847db80(0000) GS:ff36dcde9625a000(0000) knlGS:0000000000000000
[    2.723982] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.724018] CR2: 00005564db8f1620 CR3: 000000000296c004 CR4: 0000000000771ef0
[    2.724060] PKRU: 55555554
[    2.724077] Call Trace:
[    2.724093]  <TASK>
[    2.724109]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.724130]  netif_close_many (net/core/dev.c:1804)
[    2.724155]  unregister_netdevice_many_notify (net/core/dev.c:12330 net/core/dev.c:12400)
[    2.724184]  ? __destroy_inode (fs/inode.c:371)
[    2.724209]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309)
[    2.724244] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[    2.724280] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[    2.724313] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[    2.724343] nsim_drv_remove (drivers/net/netdevsim/dev.c:1800) netdevsim
[    2.724366]  device_release_driver_internal (drivers/base/dd.c:1352 drivers/base/dd.c:1375)
[    2.724399]  bus_remove_device (drivers/base/bus.c:657)
[    2.724420]  ? device_remove_attrs (drivers/base/core.c:2844 drivers/base/core.c:2977)
[    2.724451]  device_del (drivers/base/core.c:3895)
[    2.724475]  device_unregister (drivers/base/core.c:3936)
[    2.724495] del_device_store (drivers/net/netdevsim/bus.c:491 drivers/net/netdevsim/bus.c:244) netdevsim
[    2.724527]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[    2.724561]  vfs_write (fs/read_write.c:595 fs/read_write.c:688)
[    2.724585]  ksys_write (fs/read_write.c:740)
[    2.724615]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.724639]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.724671] RIP: 0033:0x7fb9e84ef08e
[    2.724696] 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
[    2.724801] RSP: 002b:00007fff36cf3da0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    2.724847] RAX: ffffffffffffffda RBX: 00007fb9e8671580 RCX: 00007fb9e84ef08e
[    2.724898] RDX: 0000000000000004 RSI: 00005564ea6da920 RDI: 0000000000000001
[    2.724944] RBP: 00007fff36cf3db0 R08: 0000000000000000 R09: 0000000000000000
[    2.724983] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[    2.725027] R13: 0000000000000004 R14: 00005564ea6da920 R15: 0000000000000000
| [    2.725419] ------------[ cut here ]------------
| [    2.725450] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: bash/149
| [    2.725494] Modules linked in: netconsole netdevsim
| [    2.725589] Tainted: [W]=WARN
[    2.725612] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.725652] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.725682] 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
[    2.725774] RSP: 0018:ff868fd2c038fb88 EFLAGS: 00010286
[    2.725799] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.725843] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff36dcde01891700
[    2.725889] RBP: 0000000000000000 R08: ff36dcde032f4c10 R09: ff36dcde04e64030
[    2.725931] R10: ff36dcde07566118 R11: fefefefefefefeff R12: 0000000000000000
[    2.725974] R13: 0000000000000011 R14: ff36dcde07566000 R15: ff36dcde01891700
[    2.726022] FS:  00007fb9e847db80(0000) GS:ff36dcde9625a000(0000) knlGS:0000000000000000
[    2.726069] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.726105] CR2: 00005564db8f1620 CR3: 000000000296c004 CR4: 0000000000771ef0
[    2.726152] PKRU: 55555554
[    2.726167] Call Trace:
[    2.726182]  <TASK>
[    2.726202]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    2.726234]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309)
[    2.726265] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[    2.726301] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[    2.726337] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[    2.726370] nsim_drv_remove (drivers/net/netdevsim/dev.c:1800) netdevsim
[    2.726403]  device_release_driver_internal (drivers/base/dd.c:1352 drivers/base/dd.c:1375)
[    2.726437]  bus_remove_device (drivers/base/bus.c:657)
[    2.726462]  ? device_remove_attrs (drivers/base/core.c:2844 drivers/base/core.c:2977)
[    2.726493]  device_del (drivers/base/core.c:3895)
[    2.726517]  device_unregister (drivers/base/core.c:3936)
[    2.726540] del_device_store (drivers/net/netdevsim/bus.c:491 drivers/net/netdevsim/bus.c:244) netdevsim
[    2.726575]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[    2.726615]  vfs_write (fs/read_write.c:595 fs/read_write.c:688)
[    2.726638]  ksys_write (fs/read_write.c:740)
[    2.726663]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.726688]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.726720] RIP: 0033:0x7fb9e84ef08e
[    2.726744] 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
[    2.726848] RSP: 002b:00007fff36cf3da0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    2.726900] RAX: ffffffffffffffda RBX: 00007fb9e8671580 RCX: 00007fb9e84ef08e
[    2.726944] RDX: 0000000000000004 RSI: 00005564ea6da920 RDI: 0000000000000001
[    2.726985] RBP: 00007fff36cf3db0 R08: 0000000000000000 R09: 0000000000000000
[    2.727028] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[    2.727069] R13: 0000000000000004 R14: 00005564ea6da920 R15: 0000000000000000
| [    2.769862] ------------[ cut here ]------------
| [    2.769919] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/65
| [    2.769985] Modules linked in: netconsole netdevsim
| [    2.770082] Tainted: [W]=WARN
[    2.770108] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.770148] Workqueue: netns cleanup_net
[    2.770169] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.770201] 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
[    2.770305] RSP: 0018:ff868fd2c023fc08 EFLAGS: 00010286
[    2.770339] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[    2.770384] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff36dcde0325d200
[    2.770429] RBP: 0000000000000000 R08: ff36dcde0294c5d0 R09: ff36dcde01ca902c
[    2.770471] R10: ff36dcde07552118 R11: fefefefefefefeff R12: 0000000000000000
[    2.770513] R13: 0000000000000010 R14: ff36dcde07552000 R15: ff36dcde0325d200
[    2.770559] FS:  0000000000000000(0000) GS:ff36dcde963da000(0000) knlGS:0000000000000000
[    2.770613] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.770649] CR2: 00007f87185e1ab0 CR3: 0000000002932002 CR4: 0000000000771ef0
[    2.770698] PKRU: 55555554
[    2.770715] Call Trace:
[    2.770734]  <TASK>
[    2.770752]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.770779]  netif_close_many (net/core/dev.c:1804)
[    2.770803]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[    2.770837]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    2.770867]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    2.770897]  cleanup_net (net/core/net_namespace.c:702)
[    2.770932]  process_one_work (kernel/workqueue.c:3314)
[    2.770960]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    2.770985]  ? rescuer_thread (kernel/workqueue.c:3672)
[    2.771007]  kthread (kernel/kthread.c:436)
[    2.771029]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    2.771051]  ret_from_fork (arch/x86/kernel/process.c:158)
[    2.771082]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    2.771105]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    2.771416] ------------[ cut here ]------------
| [    2.771452] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/65
| [    2.771516] Modules linked in: netconsole netdevsim
| [    2.771605] Tainted: [W]=WARN
[    2.771627] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.771665] Workqueue: netns cleanup_net
[    2.771689] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.771721] 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
[    2.771822] RSP: 0018:ff868fd2c023fc78 EFLAGS: 00010286
[    2.771851] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.771899] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff36dcde0325de00
[    2.771941] RBP: 0000000000000000 R08: ff36dcde0294c5d0 R09: ff36dcde04e4e02c
[    2.771980] R10: ff36dcde07552118 R11: fefefefefefefeff R12: 0000000000000000
[    2.772026] R13: 0000000000000011 R14: ff36dcde07552000 R15: ff36dcde0325de00
[    2.772071] FS:  0000000000000000(0000) GS:ff36dcde963da000(0000) knlGS:0000000000000000
[    2.772122] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.772157] CR2: 00007fc178be9f98 CR3: 0000000025042004 CR4: 0000000000771ef0
[    2.772202] PKRU: 55555554
[    2.772215] Call Trace:
[    2.772231]  <TASK>
[    2.772247]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    2.772279]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    2.772309]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    2.772334]  cleanup_net (net/core/net_namespace.c:702)
[    2.772354]  process_one_work (kernel/workqueue.c:3314)
[    2.772378]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    2.772403]  ? rescuer_thread (kernel/workqueue.c:3672)
[    2.772425]  kthread (kernel/kthread.c:436)
[    2.772446]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    2.772466]  ret_from_fork (arch/x86/kernel/process.c:158)
[    2.772489]  ? 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