======================================
| xx__-> [    2.504885] ------------[ cut here ]------------
| [    2.504944] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: fib_notificatio/157
| [    2.504985] Modules linked in: netdevsim
| [    2.505035] Tainted: [W]=WARN
[    2.505048] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.505068] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.505087] 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
[    2.505151] RSP: 0018:ff46632ec039f9d0 EFLAGS: 00010286
[    2.505173] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.505200] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1fdb57832ac900
[    2.505227] RBP: 0000000000000000 R08: ff1fdb57818c7e50 R09: ff1fdb57819bf030
[    2.505252] R10: ff1fdb578198a118 R11: fefefefefefefeff R12: 0000000000000000
[    2.505283] R13: 0000000000000010 R14: ff1fdb578198a000 R15: ff1fdb57832ac900
[    2.505382] FS:  00007f19c2004b80(0000) GS:ff1fdb58396da000(0000) knlGS:0000000000000000
[    2.505435] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.505459] CR2: 00005628a3e50078 CR3: 00000000050a1003 CR4: 0000000000771ef0
[    2.505491] PKRU: 55555554
[    2.505506] Call Trace:
[    2.505518]  <TASK>
[    2.505529]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.505547]  register_netdevice (net/core/dev.c:11488)
[    2.505561] nsim_create (drivers/net/netdevsim/netdev.c:1069 drivers/net/netdevsim/netdev.c:1151) netdevsim
[    2.505585] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[    2.505604] nsim_drv_probe (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1731) netdevsim
[    2.505623]  really_probe (drivers/base/dd.c:631 drivers/base/dd.c:709)
[    2.505642]  ? driver_probe_device (./include/linux/list.h:164 (discriminator 3))
[    2.505666]  __driver_probe_device (drivers/base/dd.c:871)
[    2.506870]  driver_probe_device (drivers/base/dd.c:901)
[    2.506889]  __device_attach_driver (drivers/base/dd.c:1029)
[    2.506913]  bus_for_each_drv (drivers/base/bus.c:500)
[    2.506928]  __device_attach (drivers/base/dd.c:1101)
[    2.506941]  device_initial_probe (drivers/base/dd.c:1156)
[    2.506960]  bus_probe_device (drivers/base/bus.c:613)
[    2.507377]  device_add (drivers/base/core.c:3706)
[    2.507396] new_device_store (drivers/net/netdevsim/bus.c:471 drivers/net/netdevsim/bus.c:191) netdevsim
[    2.507442]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[    2.507467]  vfs_write (fs/read_write.c:595 fs/read_write.c:688)
[    2.507489]  ksys_write (fs/read_write.c:740)
[    2.507504]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.507534]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.507556] RIP: 0033:0x7f19c207608e
[    2.507581] 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
[    2.507641] RSP: 002b:00007ffc9f7cb4f0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    2.507684] RAX: ffffffffffffffda RBX: 00007f19c21f8580 RCX: 00007f19c207608e
[    2.507750] RDX: 0000000000000007 RSI: 00005628a3e4f070 RDI: 0000000000000001
[    2.507780] RBP: 00007ffc9f7cb500 R08: 0000000000000000 R09: 0000000000000000
[    2.507894] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000007
[    2.507925] R13: 0000000000000007 R14: 00005628a3e4f070 R15: 0000000000000000
| [    2.514216] ------------[ cut here ]------------
| [    2.514379] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/172
| [    2.514562] Modules linked in: netdevsim
| [    2.514703] Tainted: [W]=WARN
[    2.514758] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.514812] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.514906] 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
[    2.515037] RSP: 0018:ff46632ec02fbcc8 EFLAGS: 00010286
[    2.515097] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.515172] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1fdb5781d7c900
[    2.515238] RBP: 0000000000000000 R08: ff1fdb57831952d0 R09: ff1fdb5786ea602c
[    2.515301] R10: ff1fdb5786ea1118 R11: fefefefefefefeff R12: 0000000000000000
[    2.515368] R13: 0000000000000010 R14: ff1fdb5786ea1000 R15: ff1fdb5781d7c900
[    2.515433] FS:  00007f566b4f0840(0000) GS:ff1fdb583975a000(0000) knlGS:0000000000000000
[    2.515497] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.515569] CR2: 0000000000479648 CR3: 0000000005283002 CR4: 0000000000771ef0
[    2.515639] PKRU: 55555554
[    2.515698] Call Trace:
[    2.515772]  <TASK>
[    2.515824]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.515878]  register_netdevice (net/core/dev.c:11488)
[    2.515932]  register_netdev (net/core/dev.c:11552)
[    2.516027]  loopback_net_init (drivers/net/loopback.c:218)
[    2.516082]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[    2.516142]  ops_init (net/core/net_namespace.c:137)
[    2.516195]  setup_net (net/core/net_namespace.c:446)
[    2.516247]  copy_net_ns (net/core/net_namespace.c:579)
[    2.516300]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.516365]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.516410]  ksys_unshare (kernel/fork.c:3243)
[    2.516460]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.516513]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.516565]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.516620] RIP: 0033:0x7f566b7b2bcb
[    2.516678] 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
[    2.520468] RSP: 002b:00007ffe39b72828 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.520536] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f566b7b2bcb
[    2.520598] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.520683] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    2.520771] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe39b74a50
[    2.520836] R13: 0000000000000001 R14: 00007f566b4f06f8 R15: 00007ffe39b7586d
| [    2.525761] ------------[ cut here ]------------
| [    2.525803] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: devlink/174
| [    2.525837] Modules linked in: netdevsim
| [    2.525893] Tainted: [W]=WARN
[    2.525906] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.525925] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.525945] 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
[    2.525995] RSP: 0018:ff46632ec032f908 EFLAGS: 00010286
[    2.526017] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.526040] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1fdb578306c900
[    2.526063] RBP: 0000000000000000 R08: ff1fdb57818c7e50 R09: ff1fdb57813c9030
[    2.526085] R10: ff1fdb578198a118 R11: fefefefefefefeff R12: 0000000000000000
[    2.526114] R13: 0000000000000011 R14: ff1fdb578198a000 R15: ff1fdb578306c900
[    2.526145] FS:  00007f1a224a7840(0000) GS:ff1fdb58397da000(0000) knlGS:0000000000000000
[    2.526177] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.526196] CR2: 00007f1a226b17d0 CR3: 0000000005136002 CR4: 0000000000771ef0
[    2.526219] PKRU: 55555554
[    2.526228] Call Trace:
[    2.526237]  <TASK>
[    2.526246]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    2.526263]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309)
[    2.526279] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[    2.526304] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[    2.526333] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[    2.526350] nsim_dev_reload_down (drivers/net/netdevsim/dev.c:1038) netdevsim
[    2.526370]  devlink_reload (net/devlink/dev.c:462)
[    2.526384]  devlink_nl_reload_doit (net/devlink/dev.c:585)
[    2.526403]  ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:112 net/devlink/devl_internal.h:118 net/devlink/netlink.c:235)
[    2.526421]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[    2.526441]  genl_rcv_msg (net/netlink/genetlink.c:1194 net/netlink/genetlink.c:1209)
[    2.526456]  ? devlink_nl_pre_doit_port (net/devlink/netlink.c:273)
[    2.526476]  ? devlink_reload (net/devlink/dev.c:486)
[    2.526488]  ? devlink_nl_post_doit (net/devlink/netlink.c:309)
[    2.526506]  ? genl_get_cmd (net/netlink/genetlink.c:314)
[    2.526519]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.526533]  genl_rcv (net/netlink/genetlink.c:1218)
[    2.526546]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.526560]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.526574]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[    2.526591]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[    2.526603]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.526618]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.526637] RIP: 0033:0x7f1a226e108e
[    2.526650] 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
[    2.526712] RSP: 002b:00007ffe6e6437c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[    2.526784] RAX: ffffffffffffffda RBX: 000000001bfcf980 RCX: 00007f1a226e108e
[    2.526813] RDX: 0000000000000040 RSI: 000000001bfcfba0 RDI: 0000000000000005
[    2.526836] RBP: 00007ffe6e6437d0 R08: 00007f1a22995980 R09: 000000000000000c
[    2.526868] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000040cd80
[    2.526896] R13: 000000001bfcf980 R14: 0000000000000000 R15: 0000000000000001
| [    2.558101] ------------[ cut here ]------------
| [    2.558200] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: devlink/174
| [    2.558365] Modules linked in: netdevsim
| [    2.558485] Tainted: [W]=WARN
[    2.558556] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.558631] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.558701] 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
[    2.558765] RSP: 0018:ff46632ec032f888 EFLAGS: 00010286
[    2.558848] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.558876] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1fdb57832ac200
[    2.558900] RBP: 0000000000000000 R08: ff1fdb57818c7e50 R09: ff1fdb578202a030
[    2.558931] R10: ff1fdb578198a118 R11: fefefefefefefeff R12: 0000000000000000
[    2.558958] R13: 0000000000000010 R14: ff1fdb578198a000 R15: ff1fdb57832ac200
[    2.558990] FS:  00007f1a224a7840(0000) GS:ff1fdb58397da000(0000) knlGS:0000000000000000
[    2.559021] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.559047] CR2: 00007f1a226b17d0 CR3: 0000000005136002 CR4: 0000000000771ef0
[    2.559073] PKRU: 55555554
[    2.559084] Call Trace:
[    2.559094]  <TASK>
[    2.559107]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.559131]  register_netdevice (net/core/dev.c:11488)
[    2.559149] nsim_create (drivers/net/netdevsim/netdev.c:1069 drivers/net/netdevsim/netdev.c:1151) netdevsim
[    2.559173] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[    2.559192] nsim_dev_reload_up (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1622 drivers/net/netdevsim/dev.c:1058) netdevsim
[    2.559212]  devlink_reload (net/devlink/dev.c:475)
[    2.559230]  devlink_nl_reload_doit (net/devlink/dev.c:585)
[    2.559248]  ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:112 net/devlink/devl_internal.h:118 net/devlink/netlink.c:235)
[    2.559267]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[    2.559287]  genl_rcv_msg (net/netlink/genetlink.c:1194 net/netlink/genetlink.c:1209)
[    2.559300]  ? devlink_nl_pre_doit_port (net/devlink/netlink.c:273)
[    2.559325]  ? devlink_reload (net/devlink/dev.c:486)
[    2.559342]  ? devlink_nl_post_doit (net/devlink/netlink.c:309)
[    2.559360]  ? genl_get_cmd (net/netlink/genetlink.c:314)
[    2.559374]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.559388]  genl_rcv (net/netlink/genetlink.c:1218)
[    2.559400]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.559416]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.559429]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[    2.559445]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[    2.559461]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.559479]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.559498] RIP: 0033:0x7f1a226e108e
[    2.559514] 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
[    2.559568] RSP: 002b:00007ffe6e6437c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[    2.559593] RAX: ffffffffffffffda RBX: 000000001bfcf980 RCX: 00007f1a226e108e
[    2.559620] RDX: 0000000000000040 RSI: 000000001bfcfba0 RDI: 0000000000000005
[    2.559644] RBP: 00007ffe6e6437d0 R08: 00007f1a22995980 R09: 000000000000000c
[    2.561406] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000040cd80
[    2.561439] R13: 000000001bfcf980 R14: 0000000000000000 R15: 0000000000000001
| [    2.566181] ------------[ cut here ]------------
| [    2.566223] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/176
| [    2.566287] Modules linked in: netdevsim
| [    2.566541] Tainted: [W]=WARN
[    2.566556] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.566576] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.566646] 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
[    2.566734] RSP: 0018:ff46632ec0347870 EFLAGS: 00010286
[    2.566797] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.566823] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1fdb578306da00
[    2.566848] RBP: 0000000000000000 R08: ff1fdb578339f850 R09: ff1fdb57819b8030
[    2.566876] R10: ff1fdb57819bb118 R11: fefefefefefefeff R12: 0000000000000000
[    2.566918] R13: 0000000000000010 R14: ff1fdb57819bb000 R15: ff1fdb578306da00
[    2.566950] FS:  00007efed1b16840(0000) GS:ff1fdb583965a000(0000) knlGS:0000000000000000
[    2.566994] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.567015] CR2: 00000000004a77b8 CR3: 0000000005286005 CR4: 0000000000771ef0
[    2.567043] PKRU: 55555554
[    2.567073] Call Trace:
[    2.567087]  <TASK>
[    2.567097]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.567113]  __dev_notify_flags (net/core/dev.c:9787)
[    2.567167]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    2.567182]  rtnl_newlink (net/core/rtnetlink.c:3914 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[    2.567198]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    2.567218]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    2.567247]  ? get_page_from_freelist (mm/page_alloc.c:1856 mm/page_alloc.c:1866 mm/page_alloc.c:3946)
[    2.567272]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.567290]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.567330]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.567344]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.567359]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    2.567377]  ___sys_sendmsg (net/socket.c:2752)
[    2.567410]  __sys_sendmsg (net/socket.c:2784)
[    2.567423]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.567442]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.567463] RIP: 0033:0x7efed1d5008e
[    2.567489] 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
[    2.567569] RSP: 002b:00007ffe2ddb54f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.567644] RAX: ffffffffffffffda RBX: 00007ffe2ddb5ca0 RCX: 00007efed1d5008e
[    2.567674] RDX: 0000000000000000 RSI: 00007ffe2ddb55a0 RDI: 0000000000000005
[    2.567696] RBP: 00007ffe2ddb5500 R08: 0000000000000000 R09: 0000000000000000
[    2.567725] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c7ac
[    2.567753] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe2ddb5c70
| [    2.572485] ------------[ cut here ]------------
| [    2.572549] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/177
| [    2.572593] Modules linked in: netdevsim
| [    2.574966] Tainted: [W]=WARN
[    2.575046] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.575072] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.575093] 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
[    2.575222] RSP: 0018:ff46632ec034f720 EFLAGS: 00010286
[    2.575328] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    2.575363] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1fdb57832ac200
[    2.575388] RBP: 0000000000000000 R08: ff1fdb578339f850 R09: ff1fdb578202a030
[    2.575414] R10: ff1fdb57819bb118 R11: fefefefefefefeff R12: 0000000000000000
[    2.575448] R13: 0000000000000010 R14: ff1fdb57819bb000 R15: ff1fdb57832ac200
[    2.575474] FS:  00007ff50ddae840(0000) GS:ff1fdb58397da000(0000) knlGS:0000000000000000
[    2.575549] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.575637] CR2: 0000000015564988 CR3: 00000000052cf004 CR4: 0000000000771ef0
[    2.575666] PKRU: 55555554
[    2.575716] Call Trace:
[    2.575735]  <TASK>
[    2.575792]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.575852]  __dev_notify_flags (net/core/dev.c:9787)
[    2.575903]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[    2.575917]  netif_change_flags (net/core/dev.c:9820)
[    2.575975]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    2.576627]  ? __nla_validate_parse (lib/nlattr.c:620)
[    2.576751]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    2.576776]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    2.576845]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    2.576865]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    2.576919]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    2.576958]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.576983]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.577023]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.577037]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.577050]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    2.577101]  ___sys_sendmsg (net/socket.c:2752)
[    2.577124]  __sys_sendmsg (net/socket.c:2784)
[    2.577164]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.577192]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.577216] RIP: 0033:0x7ff50dfe808e
[    2.577262] 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
[    2.577313] RSP: 002b:00007fffa5b2d1e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.577404] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff50dfe808e
[    2.577467] RDX: 0000000000000000 RSI: 00007fffa5b2d290 RDI: 0000000000000005
[    2.577502] RBP: 00007fffa5b2d1f0 R08: 0000000000000000 R09: 0000000000000000
[    2.577525] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c7ac
[    2.577601] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffa5b2d960
| [   14.702376] ------------[ cut here ]------------
| [   14.702471] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/262
| [   14.702566] Modules linked in: netdevsim
| [   14.702737] Tainted: [W]=WARN
[   14.702794] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.702867] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.702934] 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
[   14.703071] RSP: 0018:ff46632ec05df870 EFLAGS: 00010286
[   14.703138] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   14.703217] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1fdb57818fd800
[   14.703296] RBP: 0000000000000000 R08: ff1fdb5783172190 R09: ff1fdb5786e27030
[   14.703376] R10: ff1fdb5786ea6118 R11: fefefefefefefeff R12: 0000000000000000
[   14.703463] R13: 0000000000000010 R14: ff1fdb5786ea6000 R15: ff1fdb57818fd800
[   14.703547] FS:  00007f3e5da23840(0000) GS:ff1fdb583975a000(0000) knlGS:0000000000000000
[   14.703628] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.703708] CR2: 00000000004a77b8 CR3: 000000000312a003 CR4: 0000000000771ef0
[   14.703790] PKRU: 55555554
[   14.703839] Call Trace:
[   14.703893]  <TASK>
[   14.703943]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   14.704001]  __dev_notify_flags (net/core/dev.c:9787)
[   14.704062]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   14.704121]  rtnl_newlink (net/core/rtnetlink.c:3914 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[   14.704181]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[   14.704247]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.704306]  ? get_page_from_freelist (mm/page_alloc.c:1856 mm/page_alloc.c:1866 mm/page_alloc.c:3946)
[   14.704376]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   14.704451]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.704512]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.704572]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.704630]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.704695]  ___sys_sendmsg (net/socket.c:2752)
[   14.704755]  __sys_sendmsg (net/socket.c:2784)
[   14.704814]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.704877]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.704943] RIP: 0033:0x7f3e5dc5d08e
[   14.705001] 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
[   14.705139] RSP: 002b:00007fff49eca740 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.705217] RAX: ffffffffffffffda RBX: 00007fff49ecaef0 RCX: 00007f3e5dc5d08e
[   14.705294] RDX: 0000000000000000 RSI: 00007fff49eca7f0 RDI: 0000000000000005
[   14.705373] RBP: 00007fff49eca750 R08: 0000000000000000 R09: 0000000000000000
[   14.705456] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c7b8
[   14.705535] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff49ecaec0
| [   14.708768] ------------[ cut here ]------------
| [   14.708801] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/263
| [   14.708861] Modules linked in: netdevsim
| [   14.708948] Tainted: [W]=WARN
[   14.708970] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.709004] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.709037] 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
[   14.709135] RSP: 0018:ff46632ec05e7720 EFLAGS: 00010286
[   14.709166] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[   14.709208] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1fdb578306da00
[   14.709254] RBP: 0000000000000000 R08: ff1fdb5783172190 R09: ff1fdb57819b8030
[   14.709294] R10: ff1fdb5786ea6118 R11: fefefefefefefeff R12: 0000000000000000
[   14.709342] R13: 0000000000000010 R14: ff1fdb5786ea6000 R15: ff1fdb578306da00
[   14.709386] FS:  00007f66c4d62840(0000) GS:ff1fdb583965a000(0000) knlGS:0000000000000000
[   14.709450] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.709502] CR2: 00007f66c50321a0 CR3: 00000000030d7006 CR4: 0000000000771ef0
[   14.709549] PKRU: 55555554
[   14.709567] Call Trace:
[   14.709583]  <TASK>
[   14.709598]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   14.709622]  __dev_notify_flags (net/core/dev.c:9787)
[   14.709647]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[   14.709677]  netif_change_flags (net/core/dev.c:9820)
[   14.709700]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   14.709725]  ? __nla_validate_parse (lib/nlattr.c:620)
[   14.709756]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[   14.709782]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   14.709803]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[   14.709840]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.709863]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   14.709886]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   14.709918]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.709940]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.709964]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.709985]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.710006]  ___sys_sendmsg (net/socket.c:2752)
[   14.710031]  __sys_sendmsg (net/socket.c:2784)
[   14.710053]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.710073]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.710102] RIP: 0033:0x7f66c4f9c08e
[   14.710124] 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
[   14.710222] RSP: 002b:00007ffe33520d20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.710263] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f66c4f9c08e
[   14.710304] RDX: 0000000000000000 RSI: 00007ffe33520dd0 RDI: 0000000000000005
[   14.710346] RBP: 00007ffe33520d30 R08: 0000000000000000 R09: 0000000000000000
[   14.710386] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c7b8
[   14.710432] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe335214a0
| [   23.782555] ------------[ cut here ]------------
| [   23.782732] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/308
| [   23.782803] Modules linked in: netdevsim
| [   23.782960] Tainted: [W]=WARN
[   23.783012] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.783097] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.783164] 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
[   23.783377] RSP: 0018:ff46632ec071f670 EFLAGS: 00010286
[   23.783441] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   23.783538] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1fdb57832ac200
[   23.783631] RBP: 0000000000000000 R08: ff1fdb5783172190 R09: ff1fdb578202a030
[   23.783737] R10: ff1fdb5786ea6118 R11: fefefefefefefeff R12: 0000000000000000
[   23.783838] R13: 0000000000000010 R14: ff1fdb5786ea6000 R15: ff1fdb57832ac200
[   23.783933] FS:  00007fcecfc40840(0000) GS:ff1fdb58397da000(0000) knlGS:0000000000000000
[   23.784023] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.784100] CR2: 00007fcecff101a0 CR3: 0000000003357001 CR4: 0000000000771ef0
[   23.784192] PKRU: 55555554
[   23.784224] Call Trace:
[   23.784262]  <TASK>
[   23.784298]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   23.784346]  netif_close_many (net/core/dev.c:1804)
[   23.784368]  unregister_netdevice_many_notify (net/core/dev.c:12330 net/core/dev.c:12400)
[   23.784448]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[   23.784500]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   23.784524]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   23.784583]  ? rtnl_dellinkprop (net/core/rtnetlink.c:4408)
[   23.784634]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   23.784672]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   23.784721]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   23.784757]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   23.784785]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   23.784816]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   23.784839]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   23.784863]  ___sys_sendmsg (net/socket.c:2752)
[   23.784889]  __sys_sendmsg (net/socket.c:2784)
[   23.784912]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.784937]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.784967] RIP: 0033:0x7fcecfe7a08e
[   23.784989] 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
[   23.785071] RSP: 002b:00007ffc2db68800 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   23.785106] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fcecfe7a08e
[   23.785151] RDX: 0000000000000000 RSI: 00007ffc2db688b0 RDI: 0000000000000005
[   23.785190] RBP: 00007ffc2db68810 R08: 0000000000000000 R09: 0000000000000000
[   23.785231] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c7c1
[   23.785274] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc2db68f80
| [   23.785424] ------------[ cut here ]------------
| [   23.785452] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/308
| [   23.785511] Modules linked in: netdevsim
| [   23.785584] Tainted: [W]=WARN
[   23.785604] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.785641] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.785671] 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
[   23.785777] RSP: 0018:ff46632ec071f6e0 EFLAGS: 00010286
[   23.785806] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   23.785849] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1fdb57832ac200
[   23.785891] RBP: 0000000000000000 R08: ff1fdb5783172190 R09: ff1fdb578205e830
[   23.785935] R10: ff1fdb5786ea6118 R11: fefefefefefefeff R12: 0000000000000000
[   23.785981] R13: 0000000000000011 R14: ff1fdb5786ea6000 R15: ff1fdb57832ac200
[   23.786028] FS:  00007fcecfc40840(0000) GS:ff1fdb58397da000(0000) knlGS:0000000000000000
[   23.786077] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.786116] CR2: 00007fcecff101a0 CR3: 0000000003357001 CR4: 0000000000771ef0
[   23.786161] PKRU: 55555554
[   23.786176] Call Trace:
[   23.786192]  <TASK>
[   23.786206]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   23.786236]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   23.786262]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   23.786285]  ? rtnl_dellinkprop (net/core/rtnetlink.c:4408)
[   23.786305]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   23.786332]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   23.786354]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   23.786379]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   23.786404]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   23.786428]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   23.786451]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   23.786475]  ___sys_sendmsg (net/socket.c:2752)
[   23.786502]  __sys_sendmsg (net/socket.c:2784)
[   23.786526]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.786548]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.786578] RIP: 0033:0x7fcecfe7a08e
[   23.786600] 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
[   23.786707] RSP: 002b:00007ffc2db68800 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   23.786747] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fcecfe7a08e
[   23.786792] RDX: 0000000000000000 RSI: 00007ffc2db688b0 RDI: 0000000000000005
[   23.786837] RBP: 00007ffc2db68810 R08: 0000000000000000 R09: 0000000000000000
[   23.786881] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c7c1
[   23.786923] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc2db68f80
| [   41.985582] ------------[ cut here ]------------
| [   41.985634] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/450
| [   41.985701] Modules linked in: netdevsim
| [   41.985792] Tainted: [W]=WARN
[   41.985832] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   41.985867] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   41.985899] 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
[   41.986002] RSP: 0018:ff46632ec09ff870 EFLAGS: 00010286
[   41.986028] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   41.986073] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1fdb57832ad100
[   41.986119] RBP: 0000000000000000 R08: ff1fdb5783172450 R09: ff1fdb578202a030
[   41.986153] R10: ff1fdb5786ea6118 R11: fefefefefefefeff R12: 0000000000000000
[   41.986198] R13: 0000000000000010 R14: ff1fdb5786ea6000 R15: ff1fdb57832ad100
[   41.986246] FS:  00007f4868fb2840(0000) GS:ff1fdb58397da000(0000) knlGS:0000000000000000
[   41.986291] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.986325] CR2: 00000000004a77b8 CR3: 0000000001973001 CR4: 0000000000771ef0
[   41.986365] PKRU: 55555554
[   41.986379] Call Trace:
[   41.986394]  <TASK>
[   41.986410]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   41.986429]  __dev_notify_flags (net/core/dev.c:9787)
[   41.986453]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   41.986475]  rtnl_newlink (net/core/rtnetlink.c:3914 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[   41.986496]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[   41.986527]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   41.986551]  ? get_page_from_freelist (mm/page_alloc.c:1856 mm/page_alloc.c:1866 mm/page_alloc.c:3946)
[   41.986584]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   41.986612]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   41.986637]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   41.986664]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   41.986688]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   41.986714]  ___sys_sendmsg (net/socket.c:2752)
[   41.986736]  __sys_sendmsg (net/socket.c:2784)
[   41.986759]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   41.986781]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   41.986805] RIP: 0033:0x7f48691ec08e
[   41.986829] 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
[   41.986924] RSP: 002b:00007fff4e1dcaf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   41.986964] RAX: ffffffffffffffda RBX: 00007fff4e1dd2a0 RCX: 00007f48691ec08e
[   41.987003] RDX: 0000000000000000 RSI: 00007fff4e1dcba0 RDI: 0000000000000005
[   41.987045] RBP: 00007fff4e1dcb00 R08: 0000000000000000 R09: 0000000000000000
[   41.987083] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c7d4
[   41.987122] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff4e1dd270
| [   41.990245] ------------[ cut here ]------------
| [   41.990316] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/451
| [   41.990404] Modules linked in: netdevsim
| [   41.990556] Tainted: [W]=WARN
[   41.990612] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   41.990696] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   41.990765] 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
[   41.990900] RSP: 0018:ff46632ec0a07720 EFLAGS: 00010286
[   41.990965] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[   41.991043] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1fdb57832ad400
[   41.991120] RBP: 0000000000000000 R08: ff1fdb5783172450 R09: ff1fdb5786e27030
[   41.991197] R10: ff1fdb5786ea6118 R11: fefefefefefefeff R12: 0000000000000000
[   41.991274] R13: 0000000000000010 R14: ff1fdb5786ea6000 R15: ff1fdb57832ad400
[   41.991353] FS:  00007fa583b42840(0000) GS:ff1fdb583975a000(0000) knlGS:0000000000000000
[   41.991432] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.991502] CR2: 00007fa583e121a0 CR3: 0000000005013001 CR4: 0000000000771ef0
[   41.991579] PKRU: 55555554
[   41.991627] Call Trace:
[   41.991689]  <TASK>
[   41.991738]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   41.991796]  __dev_notify_flags (net/core/dev.c:9787)
[   41.991853]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[   41.991912]  netif_change_flags (net/core/dev.c:9820)
[   41.991970]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   41.992028]  ? __nla_validate_parse (lib/nlattr.c:620)
[   41.992094]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[   41.992173]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   41.992231]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[   41.992302]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   41.992361]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   41.992418]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   41.992483]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   41.992541]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   41.992599]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   41.992671]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   41.992730]  ___sys_sendmsg (net/socket.c:2752)
[   41.992790]  __sys_sendmsg (net/socket.c:2784)
[   41.992847]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   41.992906]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   41.992970] RIP: 0033:0x7fa583d7c08e
[   41.993026] 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
[   41.993170] RSP: 002b:00007ffff63f1170 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   41.993252] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fa583d7c08e
[   41.993331] RDX: 0000000000000000 RSI: 00007ffff63f1220 RDI: 0000000000000005
[   41.993410] RBP: 00007ffff63f1180 R08: 0000000000000000 R09: 0000000000000000
[   41.993489] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c7d4
[   41.993569] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffff63f18f0
| [   51.063701] ------------[ cut here ]------------
| [   51.063760] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/496
| [   51.063822] Modules linked in: netdevsim
| [   51.063908] Tainted: [W]=WARN
[   51.063930] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.063970] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.064003] 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
[   51.064094] RSP: 0018:ff46632ec0a57670 EFLAGS: 00010286
[   51.064124] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   51.064169] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1fdb578306cf00
[   51.064210] RBP: 0000000000000000 R08: ff1fdb5783172450 R09: ff1fdb57819b8030
[   51.064255] R10: ff1fdb5786ea6118 R11: fefefefefefefeff R12: 0000000000000000
[   51.064297] R13: 0000000000000010 R14: ff1fdb5786ea6000 R15: ff1fdb578306cf00
[   51.064344] FS:  00007f857fe77840(0000) GS:ff1fdb583965a000(0000) knlGS:0000000000000000
[   51.064396] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.064437] CR2: 0000000035691988 CR3: 0000000005026001 CR4: 0000000000771ef0
[   51.064483] PKRU: 55555554
[   51.064497] Call Trace:
[   51.064511]  <TASK>
[   51.064530]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   51.064587]  netif_close_many (net/core/dev.c:1804)
[   51.064611]  unregister_netdevice_many_notify (net/core/dev.c:12330 net/core/dev.c:12400)
[   51.064642]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[   51.064668]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   51.064692]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   51.064714]  ? rtnl_dellinkprop (net/core/rtnetlink.c:4408)
[   51.064744]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   51.064769]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   51.064793]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   51.064825]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   51.064847]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   51.064868]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   51.064891]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   51.064916]  ___sys_sendmsg (net/socket.c:2752)
[   51.064939]  __sys_sendmsg (net/socket.c:2784)
[   51.064962]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   51.064989]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   51.065019] RIP: 0033:0x7f85800b108e
[   51.065040] 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
[   51.065145] RSP: 002b:00007ffe39ee57a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   51.065190] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f85800b108e
[   51.065236] RDX: 0000000000000000 RSI: 00007ffe39ee5850 RDI: 0000000000000005
[   51.065281] RBP: 00007ffe39ee57b0 R08: 0000000000000000 R09: 0000000000000000
[   51.065328] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c7dd
[   51.065373] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe39ee5f20
| [   51.065524] ------------[ cut here ]------------
| [   51.065555] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/496
| [   51.065605] Modules linked in: netdevsim
| [   51.065684] Tainted: [W]=WARN
[   51.065706] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.065749] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.065781] 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
[   51.065884] RSP: 0018:ff46632ec0a576e0 EFLAGS: 00010286
[   51.065916] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.065964] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1fdb578306cf00
[   51.066012] RBP: 0000000000000000 R08: ff1fdb5783172450 R09: ff1fdb57851b3030
[   51.066060] R10: ff1fdb5786ea6118 R11: fefefefefefefeff R12: 0000000000000000
[   51.066104] R13: 0000000000000011 R14: ff1fdb5786ea6000 R15: ff1fdb578306cf00
[   51.066154] FS:  00007f857fe77840(0000) GS:ff1fdb583965a000(0000) knlGS:0000000000000000
[   51.066203] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.066240] CR2: 0000000035691988 CR3: 0000000005026001 CR4: 0000000000771ef0
[   51.066282] PKRU: 55555554
[   51.066296] Call Trace:
[   51.066313]  <TASK>
[   51.066329]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.066359]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   51.066385]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   51.066407]  ? rtnl_dellinkprop (net/core/rtnetlink.c:4408)
[   51.066429]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   51.066452]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   51.066475]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   51.066507]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   51.066529]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   51.066552]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   51.066574]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   51.066593]  ___sys_sendmsg (net/socket.c:2752)
[   51.066614]  __sys_sendmsg (net/socket.c:2784)
[   51.066634]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   51.066654]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   51.066688] RIP: 0033:0x7f85800b108e
[   51.066709] 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
[   51.066817] RSP: 002b:00007ffe39ee57a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   51.066863] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f85800b108e
[   51.066910] RDX: 0000000000000000 RSI: 00007ffe39ee5850 RDI: 0000000000000005
[   51.066952] RBP: 00007ffe39ee57b0 R08: 0000000000000000 R09: 0000000000000000
[   51.066998] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c7dd
[   51.067039] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe39ee5f20
| [   57.148534] ------------[ cut here ]------------
| [   57.148617] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/556
| [   57.148717] Modules linked in: netdevsim
| [   57.148880] Tainted: [W]=WARN
[   57.148936] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   57.149008] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   57.149073] 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
[   57.149217] RSP: 0018:ff46632ec0be3670 EFLAGS: 00010286
[   57.149281] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   57.149360] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1fdb57832ad500
[   57.149439] RBP: 0000000000000000 R08: ff1fdb578339f850 R09: ff1fdb5786e27030
[   57.149518] R10: ff1fdb57819bb118 R11: fefefefefefefeff R12: 0000000000000000
[   57.149597] R13: 0000000000000010 R14: ff1fdb57819bb000 R15: ff1fdb57832ad500
[   57.149695] FS:  00007ffb3cca1840(0000) GS:ff1fdb583975a000(0000) knlGS:0000000000000000
[   57.149785] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   57.149860] CR2: 00007ffb3cf711a0 CR3: 000000000311d004 CR4: 0000000000771ef0
[   57.149946] PKRU: 55555554
[   57.149995] Call Trace:
[   57.150044]  <TASK>
[   57.150092]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   57.150151]  netif_close_many (net/core/dev.c:1804)
[   57.150209]  unregister_netdevice_many_notify (net/core/dev.c:12330 net/core/dev.c:12400)
[   57.150274]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[   57.150332]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   57.150393]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   57.150451]  ? rtnl_dellinkprop (net/core/rtnetlink.c:4408)
[   57.150509]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   57.150568]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   57.150631]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   57.150703]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   57.150763]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   57.150828]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   57.150888]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   57.150946]  ___sys_sendmsg (net/socket.c:2752)
[   57.151005]  __sys_sendmsg (net/socket.c:2784)
[   57.151063]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   57.151120]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   57.151184] RIP: 0033:0x7ffb3cedb08e
[   57.151240] 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
[   57.151383] RSP: 002b:00007ffc2c5a37b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   57.151464] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007ffb3cedb08e
[   57.151545] RDX: 0000000000000000 RSI: 00007ffc2c5a3860 RDI: 0000000000000005
[   57.151624] RBP: 00007ffc2c5a37c0 R08: 0000000000000000 R09: 0000000000000000
[   57.151709] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c7e3
[   57.151800] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc2c5a3f30
| [   57.152056] ------------[ cut here ]------------
| [   57.152120] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/556
| [   57.152209] Modules linked in: netdevsim
| [   57.152363] Tainted: [W]=WARN
[   57.152418] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   57.152490] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   57.152556] 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
[   57.152704] RSP: 0018:ff46632ec0be36e0 EFLAGS: 00010286
[   57.152767] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   57.152858] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1fdb57832ad500
[   57.152938] RBP: 0000000000000000 R08: ff1fdb578339f850 R09: ff1fdb5782f2e830
[   57.153017] R10: ff1fdb57819bb118 R11: fefefefefefefeff R12: 0000000000000000
[   57.153096] R13: 0000000000000011 R14: ff1fdb57819bb000 R15: ff1fdb57832ad500
[   57.153177] FS:  00007ffb3cca1840(0000) GS:ff1fdb583975a000(0000) knlGS:0000000000000000
[   57.153256] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   57.153328] CR2: 00007ffb3cf711a0 CR3: 000000000311d004 CR4: 0000000000771ef0
[   57.153410] PKRU: 55555554
[   57.153458] Call Trace:
[   57.153507]  <TASK>
[   57.153555]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   57.153620]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   57.153693]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   57.153756]  ? rtnl_dellinkprop (net/core/rtnetlink.c:4408)
[   57.153821]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   57.153882]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   57.153940]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   57.154006]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   57.154064]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   57.154122]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   57.154183]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   57.154241]  ___sys_sendmsg (net/socket.c:2752)
[   57.154300]  __sys_sendmsg (net/socket.c:2784)
[   57.154358]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   57.154415]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   57.154478] RIP: 0033:0x7ffb3cedb08e
[   57.154535] 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
[   57.154678] RSP: 002b:00007ffc2c5a37b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   57.154759] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007ffb3cedb08e
[   57.154840] RDX: 0000000000000000 RSI: 00007ffc2c5a3860 RDI: 0000000000000005
[   57.154918] RBP: 00007ffc2c5a37c0 R08: 0000000000000000 R09: 0000000000000000
[   57.154996] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c7e3
[   57.155075] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc2c5a3f30
| [   57.170875] ------------[ cut here ]------------
| [   57.170923] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: fib_notificatio/157
| [   57.170991] Modules linked in: netdevsim
| [   57.171083] Tainted: [W]=WARN
[   57.171105] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   57.171147] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   57.171179] 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
[   57.171286] RSP: 0018:ff46632ec039fb88 EFLAGS: 00010286
[   57.171319] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   57.171360] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1fdb57832ad100
[   57.171399] RBP: 0000000000000000 R08: ff1fdb57818c7e50 R09: ff1fdb578124e830
[   57.171439] R10: ff1fdb578198a118 R11: fefefefefefefeff R12: 0000000000000000
[   57.171484] R13: 0000000000000011 R14: ff1fdb578198a000 R15: ff1fdb57832ad100
[   57.171533] FS:  00007f19c2004b80(0000) GS:ff1fdb58397da000(0000) knlGS:0000000000000000
[   57.171578] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   57.171615] CR2: 00005628810258e0 CR3: 00000000050a1003 CR4: 0000000000771ef0
[   57.171666] PKRU: 55555554
[   57.171683] Call Trace:
[   57.171699]  <TASK>
[   57.171714]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   57.171746]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309)
[   57.171781] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[   57.171816] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[   57.171847] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[   57.171879] nsim_drv_remove (drivers/net/netdevsim/dev.c:1800) netdevsim
[   57.171910]  device_release_driver_internal (drivers/base/dd.c:1352 drivers/base/dd.c:1375)
[   57.171938]  bus_remove_device (drivers/base/bus.c:657)
[   57.171963]  ? device_remove_attrs (drivers/base/core.c:2844 drivers/base/core.c:2977)
[   57.171995]  device_del (drivers/base/core.c:3895)
[   57.172016]  device_unregister (drivers/base/core.c:3936)
[   57.172037] del_device_store (drivers/net/netdevsim/bus.c:491 drivers/net/netdevsim/bus.c:244) netdevsim
[   57.172068]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[   57.172101]  vfs_write (fs/read_write.c:595 fs/read_write.c:688)
[   57.172122]  ksys_write (fs/read_write.c:740)
[   57.172145]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   57.172168]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   57.172200] RIP: 0033:0x7f19c207608e
[   57.172222] 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
[   57.172319] RSP: 002b:00007ffc9f7cba80 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   57.172363] RAX: ffffffffffffffda RBX: 00007f19c21f8580 RCX: 00007f19c207608e
[   57.172405] RDX: 0000000000000005 RSI: 00005628a3e4f070 RDI: 0000000000000001
[   57.172452] RBP: 00007ffc9f7cba90 R08: 0000000000000000 R09: 0000000000000000
[   57.172493] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000005
[   57.172536] R13: 0000000000000005 R14: 00005628a3e4f070 R15: 0000000000000000
| [   57.206802] ------------[ cut here ]------------
| [   57.206862] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 0/12
| [   57.206923] Modules linked in: netdevsim
| [   57.207016] Tainted: [W]=WARN
[   57.207036] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   57.207076] Workqueue: netns cleanup_net
[   57.207100] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   57.207131] 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
[   57.207223] RSP: 0018:ff46632ec0067c78 EFLAGS: 00010286
[   57.207252] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   57.207292] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1fdb57832ad100
[   57.207337] RBP: 0000000000000000 R08: ff1fdb57831952d0 R09: ff1fdb5786e9802c
[   57.207378] R10: ff1fdb5786ea1118 R11: fefefefefefefeff R12: 0000000000000000
[   57.207419] R13: 0000000000000011 R14: ff1fdb5786ea1000 R15: ff1fdb57832ad100
[   57.207465] FS:  0000000000000000(0000) GS:ff1fdb58397da000(0000) knlGS:0000000000000000
[   57.207518] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   57.207554] CR2: 0000562881024d5c CR3: 00000000050a1003 CR4: 0000000000771ef0
[   57.207599] PKRU: 55555554
[   57.207614] Call Trace:
[   57.207628]  <TASK>
[   57.207641]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   57.207680]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   57.207706]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   57.207730]  cleanup_net (net/core/net_namespace.c:702)
[   57.207753]  process_one_work (kernel/workqueue.c:3314)
[   57.207787]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   57.207813]  ? rescuer_thread (kernel/workqueue.c:3672)
[   57.207838]  kthread (kernel/kthread.c:436)
[   57.207865]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   57.207891]  ret_from_fork (arch/x86/kernel/process.c:158)
[   57.207915]  ? 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:rtnl_dellink
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:rtnl_configure_link:rtnl_newlink
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:unregister_netdevice_many_notify:rtnl_dellink:rtnetlink_rcv_msg:netlink_rcv_skb