======================================
| xx__-> [    2.241964] ------------[ cut here ]------------
| [    2.242056] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: peer.sh/158
| [    2.242153] Modules linked in: netdevsim
| [    2.242305] Tainted: [W]=WARN
[    2.242362] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.242434] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.242503] 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
[    2.242628] RSP: 0018:ff57c8f2403df9d0 EFLAGS: 00010286
[    2.242696] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.242780] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff2aa4ab81842500
[    2.242860] RBP: 0000000000000000 R08: ff2aa4ab83757ad0 R09: ff2aa4ab82e8e030
[    2.242948] R10: ff2aa4ab82d6c118 R11: fefefefefefefeff R12: 0000000000000000
[    2.243028] R13: 0000000000000010 R14: ff2aa4ab82d6c000 R15: ff2aa4ab81842500
[    2.243110] FS:  00007feb93b05b80(0000) GS:ff2aa4ac26d5a000(0000) knlGS:0000000000000000
[    2.243183] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.243252] CR2: 00005597eb63fff8 CR3: 0000000003506002 CR4: 0000000000771ef0
[    2.243331] PKRU: 55555554
[    2.243380] Call Trace:
[    2.243432]  <TASK>
[    2.243482]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.243544]  register_netdevice (net/core/dev.c:11488)
[    2.243606] nsim_create (drivers/net/netdevsim/netdev.c:1069 drivers/net/netdevsim/netdev.c:1151) netdevsim
[    2.243673] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[    2.243738] nsim_drv_probe (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1731) netdevsim
[    2.243813]  really_probe (drivers/base/dd.c:631 drivers/base/dd.c:709)
[    2.243875]  ? driver_probe_device (./include/linux/list.h:164 (discriminator 3))
[    2.243949]  __driver_probe_device (drivers/base/dd.c:871)
[    2.244016]  driver_probe_device (drivers/base/dd.c:901)
[    2.244075]  __device_attach_driver (drivers/base/dd.c:1029)
[    2.244141]  bus_for_each_drv (drivers/base/bus.c:500)
[    2.244199]  __device_attach (drivers/base/dd.c:1101)
[    2.244261]  device_initial_probe (drivers/base/dd.c:1156)
[    2.244320]  bus_probe_device (drivers/base/bus.c:613)
[    2.244378]  device_add (drivers/base/core.c:3706)
[    2.244438] new_device_store (drivers/net/netdevsim/bus.c:471 drivers/net/netdevsim/bus.c:191) netdevsim
[    2.244505]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[    2.244576]  vfs_write (fs/read_write.c:595 fs/read_write.c:688)
[    2.244641]  ksys_write (fs/read_write.c:740)
[    2.244702]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.244772]  ? __sysvec_call_function_single (arch/x86/kernel/smp.c:272)
[    2.244842]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.244909] RIP: 0033:0x7feb93b7708e
[    2.244975] 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
[    2.245100] RSP: 002b:00007ffe99188fd0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    2.245177] RAX: ffffffffffffffda RBX: 00007feb93cf9580 RCX: 00007feb93b7708e
[    2.245255] RDX: 0000000000000004 RSI: 00005597eb63eff0 RDI: 0000000000000001
[    2.245332] RBP: 00007ffe99188fe0 R08: 0000000000000000 R09: 0000000000000000
[    2.245407] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[    2.245485] R13: 0000000000000004 R14: 00005597eb63eff0 R15: 0000000000000000
| [    2.245981] ------------[ cut here ]------------
| [    2.246051] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: peer.sh/158
| [    2.246143] Modules linked in: netdevsim
| [    2.246301] Tainted: [W]=WARN
[    2.246362] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.246434] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.246499] 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
[    2.246630] RSP: 0018:ff57c8f2403df9d0 EFLAGS: 00010286
[    2.246696] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.246780] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff2aa4ab83432500
[    2.246858] RBP: 0000000000000000 R08: ff2aa4ab837a3ad0 R09: ff2aa4ab82e8c030
[    2.246946] R10: ff2aa4ab82d68118 R11: fefefefefefefeff R12: 0000000000000000
[    2.247024] R13: 0000000000000010 R14: ff2aa4ab82d68000 R15: ff2aa4ab83432500
[    2.247104] FS:  00007feb93b05b80(0000) GS:ff2aa4ac26d5a000(0000) knlGS:0000000000000000
[    2.247180] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.247250] CR2: 00005597eb63fff8 CR3: 0000000003506002 CR4: 0000000000771ef0
[    2.247326] PKRU: 55555554
[    2.247377] Call Trace:
[    2.247427]  <TASK>
[    2.247476]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.247538]  register_netdevice (net/core/dev.c:11488)
[    2.247597] nsim_create (drivers/net/netdevsim/netdev.c:1069 drivers/net/netdevsim/netdev.c:1151) netdevsim
[    2.247665] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[    2.247735] nsim_drv_probe (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1731) netdevsim
[    2.247805]  really_probe (drivers/base/dd.c:631 drivers/base/dd.c:709)
[    2.247868]  ? driver_probe_device (./include/linux/list.h:164 (discriminator 3))
[    2.247941]  __driver_probe_device (drivers/base/dd.c:871)
[    2.248020]  driver_probe_device (drivers/base/dd.c:901)
[    2.248086]  __device_attach_driver (drivers/base/dd.c:1029)
[    2.248153]  bus_for_each_drv (drivers/base/bus.c:500)
[    2.248216]  __device_attach (drivers/base/dd.c:1101)
[    2.248282]  device_initial_probe (drivers/base/dd.c:1156)
[    2.248348]  bus_probe_device (drivers/base/bus.c:613)
[    2.248411]  device_add (drivers/base/core.c:3706)
[    2.248477] new_device_store (drivers/net/netdevsim/bus.c:471 drivers/net/netdevsim/bus.c:191) netdevsim
[    2.248548]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[    2.248620]  vfs_write (fs/read_write.c:595 fs/read_write.c:688)
[    2.248686]  ksys_write (fs/read_write.c:740)
[    2.248760]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.248822]  ? __sysvec_call_function_single (arch/x86/kernel/smp.c:272)
[    2.248898]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.248977] RIP: 0033:0x7feb93b7708e
[    2.249041] 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
[    2.249185] RSP: 002b:00007ffe99188fd0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    2.249273] RAX: ffffffffffffffda RBX: 00007feb93cf9580 RCX: 00007feb93b7708e
[    2.249354] RDX: 0000000000000004 RSI: 00005597eb63eff0 RDI: 0000000000000001
[    2.249436] RBP: 00007ffe99188fe0 R08: 0000000000000000 R09: 0000000000000000
[    2.249523] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[    2.249612] R13: 0000000000000004 R14: 00005597eb63eff0 R15: 0000000000000000
| [    2.266135] ------------[ cut here ]------------
| [    2.266177] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/171
| [    2.266228] Modules linked in: netdevsim
| [    2.266312] Tainted: [W]=WARN
[    2.266330] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.266363] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.266394] 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
[    2.266486] RSP: 0018:ff57c8f24028bcc8 EFLAGS: 00010286
[    2.266513] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.266550] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff2aa4ab83509500
[    2.266592] RBP: 0000000000000000 R08: ff2aa4ab8375b890 R09: ff2aa4ab84ffa02c
[    2.266633] R10: ff2aa4ab84e15118 R11: fefefefefefefeff R12: 0000000000000000
[    2.266672] R13: 0000000000000010 R14: ff2aa4ab84e15000 R15: ff2aa4ab83509500
[    2.266716] FS:  00007f16aa2b4840(0000) GS:ff2aa4ac26dda000(0000) knlGS:0000000000000000
[    2.266765] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.266800] CR2: 0000000000479648 CR3: 0000000004ea3004 CR4: 0000000000771ef0
[    2.266844] PKRU: 55555554
[    2.266859] Call Trace:
[    2.266873]  <TASK>
[    2.266888]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.266911]  register_netdevice (net/core/dev.c:11488)
[    2.266936]  register_netdev (net/core/dev.c:11552)
[    2.266959]  loopback_net_init (drivers/net/loopback.c:218)
[    2.266984]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[    2.267018]  ops_init (net/core/net_namespace.c:137)
[    2.267040]  setup_net (net/core/net_namespace.c:446)
[    2.267059]  copy_net_ns (net/core/net_namespace.c:579)
[    2.267080]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.267112]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.267143]  ksys_unshare (kernel/fork.c:3243)
[    2.267165]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.267187]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.267210]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.267240] RIP: 0033:0x7f16aa576bcb
[    2.267258] 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
[    2.267354] RSP: 002b:00007ffe98286598 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    2.267396] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f16aa576bcb
[    2.267438] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.267476] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    2.267515] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe982887c0
[    2.267553] R13: 0000000000000001 R14: 00007f16aa2b46f8 R15: 00007ffe9828986c
| [    2.270863] ------------[ cut here ]------------
| [    2.270894] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/172
| [    2.270947] Modules linked in: netdevsim
| [    2.271022] Tainted: [W]=WARN
[    2.271040] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.271071] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.271097] 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
[    2.271188] RSP: 0018:ff57c8f240283cc8 EFLAGS: 00010286
[    2.271216] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.271256] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff2aa4ab83509500
[    2.271294] RBP: 0000000000000000 R08: ff2aa4ab836e7390 R09: ff2aa4ab86b0902c
[    2.271335] R10: ff2aa4ab84ffc118 R11: fefefefefefefeff R12: 0000000000000000
[    2.271375] R13: 0000000000000010 R14: ff2aa4ab84ffc000 R15: ff2aa4ab83509500
[    2.271423] FS:  00007fd54956b840(0000) GS:ff2aa4ac26dda000(0000) knlGS:0000000000000000
[    2.271467] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.271523] CR2: 00007fd54976cc20 CR3: 00000000036dc006 CR4: 0000000000771ef0
[    2.271562] PKRU: 55555554
[    2.271577] Call Trace:
[    2.271594]  <TASK>
[    2.271606]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.271627]  register_netdevice (net/core/dev.c:11488)
[    2.271650]  register_netdev (net/core/dev.c:11552)
[    2.271672]  loopback_net_init (drivers/net/loopback.c:218)
[    2.271696]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[    2.271723]  ops_init (net/core/net_namespace.c:137)
[    2.271745]  setup_net (net/core/net_namespace.c:446)
[    2.271786]  copy_net_ns (net/core/net_namespace.c:579)
[    2.271812]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.271840]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.271866]  ksys_unshare (kernel/fork.c:3243)
[    2.271888]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.271907]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.271931]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.271960] RIP: 0033:0x7fd54982dbcb
[    2.271979] 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
[    2.272067] RSP: 002b:00007ffe7ebf5008 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    2.272100] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fd54982dbcb
[    2.272142] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.272182] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.272222] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe7ebf7230
[    2.272260] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe7ebf886c
| [    2.290940] ------------[ cut here ]------------
| [    2.291055] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/177
| [    2.291139] Modules linked in: netdevsim
| [    2.291294] Tainted: [W]=WARN
[    2.291352] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.291421] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.291487] 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
[    2.291612] RSP: 0018:ff57c8f2403e76d8 EFLAGS: 00010286
[    2.291678] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.291765] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff2aa4ab81d9c200
[    2.291850] RBP: 0000000000000000 R08: ff2aa4ab83757ad0 R09: ff2aa4ab82e71830
[    2.291935] R10: ff2aa4ab82d6c118 R11: fefefefefefefeff R12: ff57c8f2403e778c
[    2.292010] R13: 0000000000000011 R14: ff2aa4ab82d6c000 R15: ff2aa4ab81d9c200
[    2.292091] FS:  00007fb24fecb840(0000) GS:ff2aa4ac26d5a000(0000) knlGS:0000000000000000
[    2.292173] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.292242] CR2: 0000000020980988 CR3: 00000000036af002 CR4: 0000000000771ef0
[    2.292324] PKRU: 55555554
[    2.292374] Call Trace:
[    2.292425]  <TASK>
[    2.292475]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[    2.292534]  __dev_change_net_namespace (net/core/dev.c:12635)
[    2.292599]  ? rtnl_getlink (net/core/rtnetlink.c:4296 (discriminator 3))
[    2.292655]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[    2.292712]  ? __nla_validate_parse (lib/nlattr.c:620)
[    2.292788]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    2.292850]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    2.292911]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    2.292983]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    2.293040]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    2.293100]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.293166]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.293226]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.293282]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.293345]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    2.293402]  ___sys_sendmsg (net/socket.c:2752)
[    2.293463]  __sys_sendmsg (net/socket.c:2784)
[    2.293522]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.293581]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.293646] RIP: 0033:0x7fb25010508e
[    2.293704] 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
[    2.293835] RSP: 002b:00007ffd679fb390 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.293914] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fb25010508e
[    2.293995] RDX: 0000000000000000 RSI: 00007ffd679fb440 RDI: 0000000000000005
[    2.294069] RBP: 00007ffd679fb3a0 R08: 0000000000000000 R09: 0000000000000000
[    2.294143] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dbfe
[    2.294217] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd679fbb00
| [    2.294453] ------------[ cut here ]------------
| [    2.294516] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/177
| [    2.294602] Modules linked in: netdevsim
| [    2.294755] Tainted: [W]=WARN
[    2.294815] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.294884] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.294953] 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
[    2.295079] RSP: 0018:ff57c8f2403e76c8 EFLAGS: 00010286
[    2.295143] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.295220] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff2aa4ab81d9c600
[    2.295297] RBP: 0000000000000000 R08: ff2aa4ab83757ad0 R09: ff2aa4ab82e8c030
[    2.295370] R10: ff2aa4ab82d6c118 R11: fefefefefefefeff R12: 0000000000000000
[    2.295447] R13: 0000000000000010 R14: ff2aa4ab82d6c000 R15: ff2aa4ab81d9c600
[    2.295525] FS:  00007fb24fecb840(0000) GS:ff2aa4ac26d5a000(0000) knlGS:0000000000000000
[    2.295636] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.295705] CR2: 0000000020980988 CR3: 00000000036af002 CR4: 0000000000771ef0
[    2.295789] PKRU: 55555554
[    2.295838] Call Trace:
[    2.295889]  <TASK>
[    2.295945]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.296004]  __dev_change_net_namespace (net/core/dev.c:12695)
[    2.296076]  ? rtnl_getlink (net/core/rtnetlink.c:4296 (discriminator 3))
[    2.296135]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[    2.296194]  ? __nla_validate_parse (lib/nlattr.c:620)
[    2.296260]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    2.296320]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    2.296382]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    2.296451]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    2.296510]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    2.296566]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.296633]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.296689]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.296745]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.296811]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    2.296873]  ___sys_sendmsg (net/socket.c:2752)
[    2.296940]  __sys_sendmsg (net/socket.c:2784)
[    2.296997]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.297054]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.297115] RIP: 0033:0x7fb25010508e
[    2.297172] 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
[    2.297299] RSP: 002b:00007ffd679fb390 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.297374] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fb25010508e
[    2.297449] RDX: 0000000000000000 RSI: 00007ffd679fb440 RDI: 0000000000000005
[    2.297525] RBP: 00007ffd679fb3a0 R08: 0000000000000000 R09: 0000000000000000
[    2.297600] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dbfe
[    2.297676] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd679fbb00
| [    2.311937] ------------[ cut here ]------------
| [    2.312004] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/178
| [    2.312058] Modules linked in: netdevsim
| [    2.312144] Tainted: [W]=WARN
[    2.312166] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.312202] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.312239] 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
[    2.312339] RSP: 0018:ff57c8f2403e76d8 EFLAGS: 00010286
[    2.312368] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.312415] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff2aa4ab83509500
[    2.312463] RBP: 0000000000000000 R08: ff2aa4ab837a3ad0 R09: ff2aa4ab82f5f030
[    2.312504] R10: ff2aa4ab82d68118 R11: fefefefefefefeff R12: ff57c8f2403e778c
[    2.312551] R13: 0000000000000011 R14: ff2aa4ab82d68000 R15: ff2aa4ab83509500
[    2.312596] FS:  00007eff0bfda840(0000) GS:ff2aa4ac26dda000(0000) knlGS:0000000000000000
[    2.312643] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.312679] CR2: 000000003d4d7988 CR3: 0000000004cc8001 CR4: 0000000000771ef0
[    2.312723] PKRU: 55555554
[    2.312741] Call Trace:
[    2.312758]  <TASK>
[    2.312783]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[    2.312809]  __dev_change_net_namespace (net/core/dev.c:12635)
[    2.312839]  ? rtnl_getlink (net/core/rtnetlink.c:4296 (discriminator 3))
[    2.312863]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[    2.312887]  ? __nla_validate_parse (lib/nlattr.c:620)
[    2.312920]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    2.312947]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    2.312971]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    2.313000]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    2.313022]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    2.313043]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.313071]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.313092]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.313117]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.313141]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    2.313163]  ___sys_sendmsg (net/socket.c:2752)
[    2.313185]  __sys_sendmsg (net/socket.c:2784)
[    2.313206]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.313227]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.313256] RIP: 0033:0x7eff0c21408e
[    2.313277] 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
[    2.313377] RSP: 002b:00007ffe25145e50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.313417] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007eff0c21408e
[    2.313460] RDX: 0000000000000000 RSI: 00007ffe25145f00 RDI: 0000000000000005
[    2.313507] RBP: 00007ffe25145e60 R08: 0000000000000000 R09: 0000000000000000
[    2.313547] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dbfe
[    2.313592] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe251465c0
| [    2.313715] ------------[ cut here ]------------
| [    2.313743] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/178
| [    2.313798] Modules linked in: netdevsim
| [    2.313878] Tainted: [W]=WARN
[    2.313903] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.313949] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.313979] 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
[    2.314081] RSP: 0018:ff57c8f2403e76c8 EFLAGS: 00010286
[    2.314110] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.314151] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff2aa4ab83509700
[    2.314192] RBP: 0000000000000000 R08: ff2aa4ab837a3ad0 R09: ff2aa4ab86b09030
[    2.314231] R10: ff2aa4ab82d68118 R11: fefefefefefefeff R12: 0000000000000000
[    2.314269] R13: 0000000000000010 R14: ff2aa4ab82d68000 R15: ff2aa4ab83509700
[    2.314317] FS:  00007eff0bfda840(0000) GS:ff2aa4ac26dda000(0000) knlGS:0000000000000000
[    2.314358] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.314394] CR2: 000000003d4d7988 CR3: 0000000004cc8001 CR4: 0000000000771ef0
[    2.314437] PKRU: 55555554
[    2.314452] Call Trace:
[    2.314467]  <TASK>
[    2.314487]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.314509]  __dev_change_net_namespace (net/core/dev.c:12695)
[    2.314536]  ? rtnl_getlink (net/core/rtnetlink.c:4296 (discriminator 3))
[    2.314558]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[    2.314581]  ? __nla_validate_parse (lib/nlattr.c:620)
[    2.314609]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    2.314632]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    2.314652]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    2.314682]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    2.314705]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    2.314727]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.314765]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.314788]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.314810]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.314832]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    2.314854]  ___sys_sendmsg (net/socket.c:2752)
[    2.314877]  __sys_sendmsg (net/socket.c:2784)
[    2.314899]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.314921]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.314953] RIP: 0033:0x7eff0c21408e
[    2.314975] 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
[    2.315073] RSP: 002b:00007ffe25145e50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.315116] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007eff0c21408e
[    2.315159] RDX: 0000000000000000 RSI: 00007ffe25145f00 RDI: 0000000000000005
[    2.315202] RBP: 00007ffe25145e60 R08: 0000000000000000 R09: 0000000000000000
[    2.315244] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dbfe
[    2.315285] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe251465c0
| [    2.332379] ------------[ cut here ]------------
| [    2.332417] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/181
| [    2.332474] Modules linked in: netdevsim
| [    2.332563] Tainted: [W]=WARN
[    2.332585] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.332621] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.332651] 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
[    2.332758] RSP: 0018:ff57c8f240327720 EFLAGS: 00010286
[    2.332789] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    2.332832] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff2aa4ab81d83500
[    2.332880] RBP: 0000000000000000 R08: ff2aa4ab83757ad0 R09: ff2aa4ab82e8b030
[    2.332922] R10: ff2aa4ab82d6c118 R11: fefefefefefefeff R12: 0000000000000000
[    2.332976] R13: 0000000000000010 R14: ff2aa4ab82d6c000 R15: ff2aa4ab81d83500
[    2.333023] FS:  00007fac4b858840(0000) GS:ff2aa4ac26c5a000(0000) knlGS:0000000000000000
[    2.333074] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.333111] CR2: 00000000355c8988 CR3: 00000000036d1003 CR4: 0000000000771ef0
[    2.333154] PKRU: 55555554
[    2.333168] Call Trace:
[    2.333188]  <TASK>
[    2.333204]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.333227]  __dev_notify_flags (net/core/dev.c:9787)
[    2.333251]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[    2.333274]  netif_change_flags (net/core/dev.c:9820)
[    2.333295]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    2.333317]  ? __nla_validate_parse (lib/nlattr.c:620)
[    2.333346]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    2.333370]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    2.333392]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    2.333424]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    2.333448]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    2.333469]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.333500]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.333523]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.333547]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.333572]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    2.333596]  ___sys_sendmsg (net/socket.c:2752)
[    2.333617]  __sys_sendmsg (net/socket.c:2784)
[    2.333640]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.333664]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.333696] RIP: 0033:0x7fac4ba9208e
[    2.333718] 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
[    2.333837] RSP: 002b:00007ffc8f0d9e50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.333883] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fac4ba9208e
[    2.333929] RDX: 0000000000000000 RSI: 00007ffc8f0d9f00 RDI: 0000000000000005
[    2.333979] RBP: 00007ffc8f0d9e60 R08: 0000000000000000 R09: 0000000000000000
[    2.334026] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dbfe
[    2.334071] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc8f0da5c0
| [    2.339553] ------------[ cut here ]------------
| [    2.339584] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/182
| [    2.339640] Modules linked in: netdevsim
| [    2.339753] Tainted: [W]=WARN
[    2.339774] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.339805] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.339836] 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
[    2.339943] RSP: 0018:ff57c8f24034f720 EFLAGS: 00010286
[    2.339977] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    2.340019] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff2aa4ab81d84100
[    2.340060] RBP: 0000000000000000 R08: ff2aa4ab837a3ad0 R09: ff2aa4ab86b09030
[    2.340101] R10: ff2aa4ab82d68118 R11: fefefefefefefeff R12: 0000000000000000
[    2.340146] R13: 0000000000000010 R14: ff2aa4ab82d68000 R15: ff2aa4ab81d84100
[    2.340192] FS:  00007ff73aae3840(0000) GS:ff2aa4ac26dda000(0000) knlGS:0000000000000000
[    2.340235] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.340264] CR2: 000000000ca5f988 CR3: 0000000004ee8002 CR4: 0000000000771ef0
[    2.340305] PKRU: 55555554
[    2.340320] Call Trace:
[    2.340336]  <TASK>
[    2.340351]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.340372]  __dev_notify_flags (net/core/dev.c:9787)
[    2.340397]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[    2.340419]  netif_change_flags (net/core/dev.c:9820)
[    2.340441]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    2.340463]  ? __nla_validate_parse (lib/nlattr.c:620)
[    2.340492]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    2.340516]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    2.340538]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    2.340565]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    2.340586]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    2.340608]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.340634]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.340655]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.340676]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.340697]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    2.340719]  ___sys_sendmsg (net/socket.c:2752)
[    2.340741]  __sys_sendmsg (net/socket.c:2784)
[    2.340766]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.340789]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.340816] RIP: 0033:0x7ff73ad1d08e
[    2.340838] 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
[    2.340934] RSP: 002b:00007ffd721bef90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.340974] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff73ad1d08e
[    2.341013] RDX: 0000000000000000 RSI: 00007ffd721bf040 RDI: 0000000000000005
[    2.341051] RBP: 00007ffd721befa0 R08: 0000000000000000 R09: 0000000000000000
[    2.341090] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dbfe
[    2.341131] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd721bf700
| [    2.358694] ------------[ cut here ]------------
| [    2.358763] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: 0/38
| [    2.358860] Modules linked in: netdevsim
| [    2.359023] Tainted: [W]=WARN
[    2.359077] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.359148] Workqueue: events_unbound linkwatch_event
[    2.359212] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.359275] 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
[    2.359418] RSP: 0018:ff57c8f24015bd50 EFLAGS: 00010286
[    2.359481] RAX: 00000000ffffffa6 RBX: 0000000000000000 RCX: 0000000000000000
[    2.359558] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff2aa4ab81d9c600
[    2.359635] RBP: 0000000000000000 R08: ff2aa4ab83757ad0 R09: ff2aa4ab82e8c030
[    2.359710] R10: ff2aa4ab82d6c118 R11: fefefefefefefeff R12: 0000000000000000
[    2.359791] R13: 0000000000000010 R14: ff2aa4ab82d6c000 R15: ff2aa4ab81d9c600
[    2.359870] FS:  0000000000000000(0000) GS:ff2aa4ac26d5a000(0000) knlGS:0000000000000000
[    2.359959] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.360029] CR2: 00005597eb63eff0 CR3: 0000000003506006 CR4: 0000000000771ef0
[    2.360109] PKRU: 55555554
[    2.360155] Call Trace:
[    2.360203]  <TASK>
[    2.360251]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.360307]  netif_state_change (net/core/dev.c:1605)
[    2.360364]  ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166)
[    2.360420]  __linkwatch_run_queue (net/core/link_watch.c:240)
[    2.360483]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[    2.360540]  process_one_work (kernel/workqueue.c:3314)
[    2.360598]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    2.360655]  ? rescuer_thread (kernel/workqueue.c:3672)
[    2.360712]  kthread (kernel/kthread.c:436)
[    2.360774]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    2.360836]  ret_from_fork (arch/x86/kernel/process.c:158)
[    2.360893]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    2.360955]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    2.361231] ------------[ cut here ]------------
| [    2.361298] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: 0/38
| [    2.361393] Modules linked in: netdevsim
| [    2.361572] Tainted: [W]=WARN
[    2.361654] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.361725] Workqueue: events_unbound linkwatch_event
[    2.361824] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.361916] 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
[    2.362083] RSP: 0018:ff57c8f24015bd50 EFLAGS: 00010286
[    2.362169] RAX: 00000000ffffffa6 RBX: 0000000000000000 RCX: 0000000000000000
[    2.362276] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff2aa4ab81d9c600
[    2.362398] RBP: 0000000000000000 R08: ff2aa4ab837a3ad0 R09: ff2aa4ab82e8c030
[    2.362489] R10: ff2aa4ab82d68118 R11: fefefefefefefeff R12: 0000000000000000
[    2.362567] R13: 0000000000000010 R14: ff2aa4ab82d68000 R15: ff2aa4ab81d9c600
[    2.362678] FS:  0000000000000000(0000) GS:ff2aa4ac26d5a000(0000) knlGS:0000000000000000
[    2.362773] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.362843] CR2: 00007ffe99186ef8 CR3: 0000000003506006 CR4: 0000000000771ef0
[    2.362959] PKRU: 55555554
[    2.363004] Call Trace:
[    2.363055]  <TASK>
[    2.363100]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.363157]  netif_state_change (net/core/dev.c:1605)
[    2.363216]  ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166)
[    2.363298]  __linkwatch_run_queue (net/core/link_watch.c:240)
[    2.363389]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[    2.363447]  process_one_work (kernel/workqueue.c:3314)
[    2.363505]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    2.363563]  ? rescuer_thread (kernel/workqueue.c:3672)
[    2.363621]  kthread (kernel/kthread.c:436)
[    2.363678]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    2.363730]  ret_from_fork (arch/x86/kernel/process.c:158)
[    2.363823]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    2.363907]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    2.375568] ------------[ cut here ]------------
| [    2.375605] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/193
| [    2.375668] Modules linked in: netdevsim
| [    2.375760] Tainted: [W]=WARN
[    2.375784] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.375828] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.375862] 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
[    2.375973] RSP: 0018:ff57c8f24036f720 EFLAGS: 00010286
[    2.376007] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    2.376055] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff2aa4ab81d83000
[    2.376097] RBP: 0000000000000000 R08: ff2aa4ab83757ad0 R09: ff2aa4ab82e8b030
[    2.376140] R10: ff2aa4ab82d6c118 R11: fefefefefefefeff R12: 0000000000000000
[    2.376190] R13: 0000000000000010 R14: ff2aa4ab82d6c000 R15: ff2aa4ab81d83000
[    2.376235] FS:  00007f88eecc8840(0000) GS:ff2aa4ac26c5a000(0000) knlGS:0000000000000000
[    2.376284] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.376327] CR2: 0000000015d61988 CR3: 0000000004ef3005 CR4: 0000000000771ef0
[    2.376366] PKRU: 55555554
[    2.376384] Call Trace:
[    2.376403]  <TASK>
[    2.376419]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.376445]  __dev_notify_flags (net/core/dev.c:9787)
[    2.376469]  netif_change_flags (net/core/dev.c:9820)
[    2.376493]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    2.376517]  ? __nla_validate_parse (lib/nlattr.c:620)
[    2.376554]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    2.376578]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    2.376606]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    2.376639]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    2.376667]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    2.376690]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.376718]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.376744]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.376774]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.376796]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    2.376818]  ___sys_sendmsg (net/socket.c:2752)
[    2.376842]  __sys_sendmsg (net/socket.c:2784)
[    2.376864]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.376891]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.376928] RIP: 0033:0x7f88eef0208e
[    2.376950] 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
[    2.377059] RSP: 002b:00007fff90036920 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.377105] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f88eef0208e
[    2.377155] RDX: 0000000000000000 RSI: 00007fff900369d0 RDI: 0000000000000005
[    2.377200] RBP: 00007fff90036930 R08: 0000000000000000 R09: 0000000000000000
[    2.377242] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dbfe
[    2.377293] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff90037090
| [    2.382866] ------------[ cut here ]------------
| [    2.382902] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/194
| [    2.382954] Modules linked in: netdevsim
| [    2.383030] Tainted: [W]=WARN
[    2.383051] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.383083] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.383111] 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
[    2.383201] RSP: 0018:ff57c8f240397720 EFLAGS: 00010286
[    2.383228] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    2.383274] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff2aa4ab81d83b00
[    2.383312] RBP: 0000000000000000 R08: ff2aa4ab83757ad0 R09: ff2aa4ab86b09030
[    2.383351] R10: ff2aa4ab82d6c118 R11: fefefefefefefeff R12: 0000000000000000
[    2.383388] R13: 0000000000000010 R14: ff2aa4ab82d6c000 R15: ff2aa4ab81d83b00
[    2.383429] FS:  00007f310da6c840(0000) GS:ff2aa4ac26dda000(0000) knlGS:0000000000000000
[    2.383472] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.383506] CR2: 0000000001f6c988 CR3: 0000000004e4d002 CR4: 0000000000771ef0
[    2.383545] PKRU: 55555554
[    2.383560] Call Trace:
[    2.383574]  <TASK>
[    2.383590]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.383612]  __dev_notify_flags (net/core/dev.c:9787)
[    2.383636]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[    2.383657]  netif_change_flags (net/core/dev.c:9820)
[    2.383680]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    2.383703]  ? __nla_validate_parse (lib/nlattr.c:620)
[    2.383733]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    2.383760]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    2.383784]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    2.383811]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    2.383832]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    2.383853]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.383881]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.383903]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.383927]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.383951]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    2.383973]  ___sys_sendmsg (net/socket.c:2752)
[    2.383996]  __sys_sendmsg (net/socket.c:2784)
[    2.384018]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.384039]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.384065] RIP: 0033:0x7f310dca608e
[    2.384086] 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
[    2.384176] RSP: 002b:00007ffc4749df60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.384215] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f310dca608e
[    2.384256] RDX: 0000000000000000 RSI: 00007ffc4749e010 RDI: 0000000000000005
[    2.384295] RBP: 00007ffc4749df70 R08: 0000000000000000 R09: 0000000000000000
[    2.384336] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dbfe
[    2.384376] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc4749e6d0
| [    2.393170] ------------[ cut here ]------------
| [    2.393240] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: 0/38
| [    2.393333] Modules linked in: netdevsim
| [    2.393486] Tainted: [W]=WARN
[    2.393548] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.393618] Workqueue: events_unbound linkwatch_event
[    2.393684] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.393758] 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
[    2.393886] RSP: 0018:ff57c8f24015bd50 EFLAGS: 00010286
[    2.393959] RAX: 00000000ffffffa6 RBX: 0000000000000000 RCX: 0000000000000000
[    2.394037] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff2aa4ab81d9c600
[    2.394115] RBP: 0000000000000000 R08: ff2aa4ab83757ad0 R09: ff2aa4ab82e8c030
[    2.394194] R10: ff2aa4ab82d6c118 R11: fefefefefefefeff R12: 0000000000000000
[    2.394271] R13: 0000000000000010 R14: ff2aa4ab82d6c000 R15: ff2aa4ab81d9c600
[    2.394351] FS:  0000000000000000(0000) GS:ff2aa4ac26d5a000(0000) knlGS:0000000000000000
[    2.394431] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.394503] CR2: 00007ffe99186ef8 CR3: 0000000003506002 CR4: 0000000000771ef0
[    2.394581] PKRU: 55555554
[    2.394629] Call Trace:
[    2.394680]  <TASK>
[    2.394732]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.394799]  netif_state_change (net/core/dev.c:1605)
[    2.394861]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[    2.394931]  __linkwatch_run_queue (net/core/link_watch.c:240)
[    2.394997]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[    2.395057]  process_one_work (kernel/workqueue.c:3314)
[    2.395120]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    2.395182]  ? rescuer_thread (kernel/workqueue.c:3672)
[    2.395242]  kthread (kernel/kthread.c:436)
[    2.395304]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    2.395366]  ret_from_fork (arch/x86/kernel/process.c:158)
[    2.395427]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    2.395488]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    2.395692] ------------[ cut here ]------------
| [    2.395760] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: 0/38
| [    2.395884] Modules linked in: netdevsim
| [    2.396074] Tainted: [W]=WARN
[    2.396163] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.396248] Workqueue: events_unbound linkwatch_event
[    2.396311] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.396382] 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
[    2.396509] RSP: 0018:ff57c8f24015bd50 EFLAGS: 00010286
[    2.396571] RAX: 00000000ffffffa6 RBX: 0000000000000000 RCX: 0000000000000000
[    2.396656] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff2aa4ab81d9c600
[    2.396729] RBP: 0000000000000000 R08: ff2aa4ab837a3ad0 R09: ff2aa4ab82e8c030
[    2.396816] R10: ff2aa4ab82d68118 R11: fefefefefefefeff R12: 0000000000000000
[    2.396904] R13: 0000000000000010 R14: ff2aa4ab82d68000 R15: ff2aa4ab81d9c600
[    2.397012] FS:  0000000000000000(0000) GS:ff2aa4ac26d5a000(0000) knlGS:0000000000000000
[    2.397094] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.397179] CR2: 00007ffe99186ef8 CR3: 0000000003506002 CR4: 0000000000771ef0
[    2.397253] PKRU: 55555554
[    2.397299] Call Trace:
[    2.397389]  <TASK>
[    2.397443]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.397533]  netif_state_change (net/core/dev.c:1605)
[    2.397633]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[    2.397687]  __linkwatch_run_queue (net/core/link_watch.c:240)
[    2.397765]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[    2.397827]  process_one_work (kernel/workqueue.c:3314)
[    2.397934]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    2.398026]  ? rescuer_thread (kernel/workqueue.c:3672)
[    2.398082]  kthread (kernel/kthread.c:436)
[    2.398143]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    2.398205]  ret_from_fork (arch/x86/kernel/process.c:158)
[    2.398292]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    2.398354]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    2.409381] ------------[ cut here ]------------
| [    2.409419] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/203
| [    2.409479] Modules linked in: netdevsim
| [    2.409563] Tainted: [W]=WARN
[    2.409587] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.409619] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.409652] 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
[    2.409753] RSP: 0018:ff57c8f2403af720 EFLAGS: 00010286
[    2.409783] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    2.409829] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff2aa4ab83424a00
[    2.409870] RBP: 0000000000000000 R08: ff2aa4ab83757ad0 R09: ff2aa4ab82e8b030
[    2.409914] R10: ff2aa4ab82d6c118 R11: fefefefefefefeff R12: 0000000000000000
[    2.409962] R13: 0000000000000010 R14: ff2aa4ab82d6c000 R15: ff2aa4ab83424a00
[    2.410007] FS:  00007fbd6d4a8840(0000) GS:ff2aa4ac26c5a000(0000) knlGS:0000000000000000
[    2.410051] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.410091] CR2: 000000002b6e9988 CR3: 0000000001fd1004 CR4: 0000000000771ef0
[    2.410137] PKRU: 55555554
[    2.410154] Call Trace:
[    2.410168]  <TASK>
[    2.410185]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.410213]  __dev_notify_flags (net/core/dev.c:9787)
[    2.410238]  netif_change_flags (net/core/dev.c:9820)
[    2.410273]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    2.410304]  ? __nla_validate_parse (lib/nlattr.c:620)
[    2.410335]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    2.410359]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    2.410380]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    2.410413]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    2.410441]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    2.410465]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.410499]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.410523]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.410549]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.410573]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    2.410598]  ___sys_sendmsg (net/socket.c:2752)
[    2.410624]  __sys_sendmsg (net/socket.c:2784)
[    2.410647]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.410670]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.410701] RIP: 0033:0x7fbd6d6e208e
[    2.410724] 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
[    2.410834] RSP: 002b:00007ffd1b7f4e50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.410878] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fbd6d6e208e
[    2.410920] RDX: 0000000000000000 RSI: 00007ffd1b7f4f00 RDI: 0000000000000005
[    2.410968] RBP: 00007ffd1b7f4e60 R08: 0000000000000000 R09: 0000000000000000
[    2.411011] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dbfe
[    2.411055] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd1b7f55c0
| [    2.411178] ------------[ cut here ]------------
| [    2.411209] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/36
| [    2.411267] Modules linked in: netdevsim
| [    2.411351] Tainted: [W]=WARN
[    2.411374] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.411415] Workqueue: events_unbound linkwatch_event
[    2.411448] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.411478] 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
[    2.411570] RSP: 0018:ff57c8f24014bd50 EFLAGS: 00010286
[    2.411608] RAX: 00000000ffffffa6 RBX: 0000000000000000 RCX: 0000000000000000
[    2.411648] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff2aa4ab83424800
[    2.411691] RBP: 0000000000000000 R08: ff2aa4ab837a3ad0 R09: ff2aa4ab82e8b030
[    2.411738] R10: ff2aa4ab82d68118 R11: fefefefefefefeff R12: 0000000000000000
[    2.411786] R13: 0000000000000010 R14: ff2aa4ab82d68000 R15: ff2aa4ab83424800
[    2.411835] FS:  0000000000000000(0000) GS:ff2aa4ac26c5a000(0000) knlGS:0000000000000000
[    2.411884] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.411919] CR2: 000000002b6e9988 CR3: 0000000001fd1004 CR4: 0000000000771ef0
[    2.411965] PKRU: 55555554
[    2.411980] Call Trace:
[    2.411997]  <TASK>
[    2.412013]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.412035]  netif_state_change (net/core/dev.c:1605)
[    2.412062]  ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166)
[    2.412085]  __linkwatch_run_queue (net/core/link_watch.c:240)
[    2.412121]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[    2.412144]  process_one_work (kernel/workqueue.c:3314)
[    2.412169]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    2.412192]  ? rescuer_thread (kernel/workqueue.c:3672)
[    2.412218]  kthread (kernel/kthread.c:436)
[    2.412242]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    2.412265]  ret_from_fork (arch/x86/kernel/process.c:158)
[    2.412289]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    2.412314]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    2.417936] ------------[ cut here ]------------
| [    2.417972] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/204
| [    2.418024] Modules linked in: netdevsim
| [    2.418110] Tainted: [W]=WARN
[    2.418131] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.418165] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.418193] 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
[    2.418298] RSP: 0018:ff57c8f24041f720 EFLAGS: 00010286
[    2.418327] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    2.418367] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff2aa4ab83509f00
[    2.418408] RBP: 0000000000000000 R08: ff2aa4ab83757ad0 R09: ff2aa4ab86b09030
[    2.418451] R10: ff2aa4ab82d6c118 R11: fefefefefefefeff R12: 0000000000000000
[    2.418495] R13: 0000000000000010 R14: ff2aa4ab82d6c000 R15: ff2aa4ab83509f00
[    2.418537] FS:  00007fb00b54d840(0000) GS:ff2aa4ac26dda000(0000) knlGS:0000000000000000
[    2.418584] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.418620] CR2: 000000000ac06988 CR3: 0000000004ea3002 CR4: 0000000000771ef0
[    2.418660] PKRU: 55555554
[    2.418674] Call Trace:
[    2.418688]  <TASK>
[    2.418705]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.418729]  __dev_notify_flags (net/core/dev.c:9787)
[    2.418758]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[    2.418782]  netif_change_flags (net/core/dev.c:9820)
[    2.418804]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    2.418828]  ? __nla_validate_parse (lib/nlattr.c:620)
[    2.418858]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    2.418882]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    2.418905]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    2.418936]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    2.418960]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    2.418984]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.419013]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.419035]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.419058]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.419078]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    2.419099]  ___sys_sendmsg (net/socket.c:2752)
[    2.419123]  __sys_sendmsg (net/socket.c:2784)
[    2.419146]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.419171]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.419200] RIP: 0033:0x7fb00b78708e
[    2.419220] 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
[    2.419313] RSP: 002b:00007ffee4a8ad20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.419353] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fb00b78708e
[    2.419397] RDX: 0000000000000000 RSI: 00007ffee4a8add0 RDI: 0000000000000005
[    2.419447] RBP: 00007ffee4a8ad30 R08: 0000000000000000 R09: 0000000000000000
[    2.419488] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dbfe
[    2.419529] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffee4a8b490
| [    2.419702] ------------[ cut here ]------------
| [    2.419734] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 0/39
| [    2.419801] Modules linked in: netdevsim
| [    2.419879] Tainted: [W]=WARN
[    2.419900] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.419941] Workqueue: events_unbound linkwatch_event
[    2.419973] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.419999] 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
[    2.420092] RSP: 0018:ff57c8f240163d50 EFLAGS: 00010286
[    2.420119] RAX: 00000000ffffffa6 RBX: 0000000000000000 RCX: 0000000000000000
[    2.420158] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff2aa4ab83424600
[    2.420195] RBP: 0000000000000000 R08: ff2aa4ab83757ad0 R09: ff2aa4ab86b09030
[    2.420234] R10: ff2aa4ab82d6c118 R11: fefefefefefefeff R12: 0000000000000000
[    2.420271] R13: 0000000000000010 R14: ff2aa4ab82d6c000 R15: ff2aa4ab83424600
[    2.420312] FS:  0000000000000000(0000) GS:ff2aa4ac26dda000(0000) knlGS:0000000000000000
[    2.420361] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.420400] CR2: 00007fb00b61a574 CR3: 000000001ba42005 CR4: 0000000000771ef0
[    2.420445] PKRU: 55555554
[    2.420458] Call Trace:
[    2.420470]  <TASK>
[    2.420483]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.420503]  netif_state_change (net/core/dev.c:1605)
[    2.420525]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[    2.420547]  __linkwatch_run_queue (net/core/link_watch.c:240)
[    2.420575]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[    2.420597]  process_one_work (kernel/workqueue.c:3314)
[    2.420618]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    2.420639]  ? rescuer_thread (kernel/workqueue.c:3672)
[    2.420662]  kthread (kernel/kthread.c:436)
[    2.420684]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    2.420706]  ret_from_fork (arch/x86/kernel/process.c:158)
[    2.420729]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    2.420758]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    2.420831] ------------[ cut here ]------------
| [    2.420860] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 0/39
| [    2.420913] Modules linked in: netdevsim
| [    2.420994] Tainted: [W]=WARN
[    2.421013] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.421049] Workqueue: events_unbound linkwatch_event
[    2.421082] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.421110] 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
[    2.421199] RSP: 0018:ff57c8f240163d50 EFLAGS: 00010286
[    2.421227] RAX: 00000000ffffffa6 RBX: 0000000000000000 RCX: 0000000000000000
[    2.421269] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff2aa4ab83424600
[    2.421309] RBP: 0000000000000000 R08: ff2aa4ab837a3ad0 R09: ff2aa4ab86b09030
[    2.421348] R10: ff2aa4ab82d68118 R11: fefefefefefefeff R12: 0000000000000000
[    2.421387] R13: 0000000000000010 R14: ff2aa4ab82d68000 R15: ff2aa4ab83424600
[    2.421432] FS:  0000000000000000(0000) GS:ff2aa4ac26dda000(0000) knlGS:0000000000000000
[    2.421478] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.421512] CR2: 00007fb00b61a574 CR3: 000000001ba42005 CR4: 0000000000771ef0
[    2.421553] PKRU: 55555554
[    2.421566] Call Trace:
[    2.421582]  <TASK>
[    2.421596]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.421620]  netif_state_change (net/core/dev.c:1605)
[    2.421640]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[    2.421663]  __linkwatch_run_queue (net/core/link_watch.c:240)
[    2.421688]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[    2.421711]  process_one_work (kernel/workqueue.c:3314)
[    2.421733]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    2.421759]  ? rescuer_thread (kernel/workqueue.c:3672)
[    2.421781]  kthread (kernel/kthread.c:436)
[    2.421805]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    2.421831]  ret_from_fork (arch/x86/kernel/process.c:158)
[    2.421853]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    2.421876]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    2.954005] ------------[ cut here ]------------
| [    2.954097] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: peer.sh/158
| [    2.954187] Modules linked in: netdevsim
| [    2.954338] Tainted: [W]=WARN
[    2.954393] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.954463] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.954527] 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
[    2.954665] RSP: 0018:ff57c8f2403dfb18 EFLAGS: 00010286
[    2.954727] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[    2.954810] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff2aa4ab81d9c600
[    2.954887] RBP: 0000000000000000 R08: ff2aa4ab837a3ad0 R09: ff2aa4ab82e8c030
[    2.954972] R10: ff2aa4ab82d68118 R11: fefefefefefefeff R12: 0000000000000000
[    2.955050] R13: 0000000000000010 R14: ff2aa4ab82d68000 R15: ff2aa4ab81d9c600
[    2.955131] FS:  00007feb93b05b80(0000) GS:ff2aa4ac26d5a000(0000) knlGS:0000000000000000
[    2.955211] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.955283] CR2: 00005597eb637efc CR3: 0000000003506006 CR4: 0000000000771ef0
[    2.955362] PKRU: 55555554
[    2.955410] Call Trace:
[    2.955459]  <TASK>
[    2.955508]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.955563]  netif_close_many (net/core/dev.c:1804)
[    2.955621]  unregister_netdevice_many_notify (net/core/dev.c:12330 net/core/dev.c:12400)
[    2.955686]  ? __destroy_inode (fs/inode.c:371)
[    2.955744]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309)
[    2.955815] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[    2.955882] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[    2.955954] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[    2.956022] nsim_drv_remove (drivers/net/netdevsim/dev.c:1800) netdevsim
[    2.956088]  device_release_driver_internal (drivers/base/dd.c:1352 drivers/base/dd.c:1375)
[    2.956154]  bus_remove_device (drivers/base/bus.c:657)
[    2.956211]  ? device_remove_attrs (drivers/base/core.c:2844 drivers/base/core.c:2977)
[    2.956273]  device_del (drivers/base/core.c:3895)
[    2.956330]  device_unregister (drivers/base/core.c:3936)
[    2.956385] del_device_store (drivers/net/netdevsim/bus.c:491 drivers/net/netdevsim/bus.c:244) netdevsim
[    2.956451]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[    2.956517]  vfs_write (fs/read_write.c:595 fs/read_write.c:688)
[    2.956575]  ksys_write (fs/read_write.c:740)
[    2.956631]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.956689]  ? __sysvec_call_function_single (arch/x86/kernel/smp.c:272)
[    2.956762]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.956828] RIP: 0033:0x7feb93b7708e
[    2.956884] 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
[    2.957023] RSP: 002b:00007ffe99188fd0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    2.957100] RAX: ffffffffffffffda RBX: 00007feb93cf9580 RCX: 00007feb93b7708e
[    2.957178] RDX: 0000000000000004 RSI: 00005597eb63eff0 RDI: 0000000000000001
[    2.957257] RBP: 00007ffe99188fe0 R08: 0000000000000000 R09: 0000000000000000
[    2.957334] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[    2.957411] R13: 0000000000000004 R14: 00005597eb63eff0 R15: 0000000000000000
| [    2.957683] ------------[ cut here ]------------
| [    2.957746] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: peer.sh/158
| [    2.957838] Modules linked in: netdevsim
| [    2.957997] Tainted: [W]=WARN
[    2.958049] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.958119] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.958184] 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
[    2.958319] RSP: 0018:ff57c8f2403dfb88 EFLAGS: 00010286
[    2.958381] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.958458] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff2aa4ab81d9c600
[    2.958533] RBP: 0000000000000000 R08: ff2aa4ab837a3ad0 R09: ff2aa4ab813cf030
[    2.958608] R10: ff2aa4ab82d68118 R11: fefefefefefefeff R12: 0000000000000000
[    2.958686] R13: 0000000000000011 R14: ff2aa4ab82d68000 R15: ff2aa4ab81d9c600
[    2.958772] FS:  00007feb93b05b80(0000) GS:ff2aa4ac26d5a000(0000) knlGS:0000000000000000
[    2.958848] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.958919] CR2: 00005597eb637efc CR3: 0000000003506006 CR4: 0000000000771ef0
[    2.959011] PKRU: 55555554
[    2.959059] Call Trace:
[    2.959107]  <TASK>
[    2.959155]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    2.959221]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309)
[    2.959286] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[    2.959357] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[    2.959422] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[    2.959489] nsim_drv_remove (drivers/net/netdevsim/dev.c:1800) netdevsim
[    2.959554]  device_release_driver_internal (drivers/base/dd.c:1352 drivers/base/dd.c:1375)
[    2.959620]  bus_remove_device (drivers/base/bus.c:657)
[    2.959677]  ? device_remove_attrs (drivers/base/core.c:2844 drivers/base/core.c:2977)
[    2.959744]  device_del (drivers/base/core.c:3895)
[    2.959807]  device_unregister (drivers/base/core.c:3936)
[    2.959863] del_device_store (drivers/net/netdevsim/bus.c:491 drivers/net/netdevsim/bus.c:244) netdevsim
[    2.959933]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[    2.959997]  vfs_write (fs/read_write.c:595 fs/read_write.c:688)
[    2.960055]  ksys_write (fs/read_write.c:740)
[    2.960113]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.960170]  ? __sysvec_call_function_single (arch/x86/kernel/smp.c:272)
[    2.960235]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.960299] RIP: 0033:0x7feb93b7708e
[    2.960358] 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
[    2.960499] RSP: 002b:00007ffe99188fd0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    2.960579] RAX: ffffffffffffffda RBX: 00007feb93cf9580 RCX: 00007feb93b7708e
[    2.960655] RDX: 0000000000000004 RSI: 00005597eb63eff0 RDI: 0000000000000001
[    2.960731] RBP: 00007ffe99188fe0 R08: 0000000000000000 R09: 0000000000000000
[    2.960812] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[    2.960891] R13: 0000000000000004 R14: 00005597eb63eff0 R15: 0000000000000000
| [    2.992221] ------------[ cut here ]------------
| [    2.992296] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: peer.sh/158
| [    2.992383] Modules linked in: netdevsim
| [    2.992567] Tainted: [W]=WARN
[    2.992623] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.992714] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.992792] 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
[    2.992957] RSP: 0018:ff57c8f2403dfb18 EFLAGS: 00010286
[    2.993043] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[    2.993170] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff2aa4ab81d9c600
[    2.993242] RBP: 0000000000000000 R08: ff2aa4ab83757ad0 R09: ff2aa4ab82e8e030
[    2.993338] R10: ff2aa4ab82d6c118 R11: fefefefefefefeff R12: 0000000000000000
[    2.993426] R13: 0000000000000010 R14: ff2aa4ab82d6c000 R15: ff2aa4ab81d9c600
[    2.993524] FS:  00007feb93b05b80(0000) GS:ff2aa4ac26d5a000(0000) knlGS:0000000000000000
[    2.993612] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.993686] CR2: 00005597d501f6e0 CR3: 0000000003506006 CR4: 0000000000771ef0
[    2.993783] PKRU: 55555554
[    2.993831] Call Trace:
[    2.993887]  <TASK>
[    2.993940]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.994011]  netif_close_many (net/core/dev.c:1804)
[    2.994101]  unregister_netdevice_many_notify (net/core/dev.c:12330 net/core/dev.c:12400)
[    2.994185]  ? __destroy_inode (fs/inode.c:371)
[    2.994260]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309)
[    2.994344] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[    2.994429] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[    2.994507] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[    2.994596] nsim_drv_remove (drivers/net/netdevsim/dev.c:1800) netdevsim
[    2.994661]  device_release_driver_internal (drivers/base/dd.c:1352 drivers/base/dd.c:1375)
[    2.994728]  bus_remove_device (drivers/base/bus.c:657)
[    2.994792]  ? device_remove_attrs (drivers/base/core.c:2844 drivers/base/core.c:2977)
[    2.994856]  device_del (drivers/base/core.c:3895)
[    2.994911]  device_unregister (drivers/base/core.c:3936)
[    2.994972] del_device_store (drivers/net/netdevsim/bus.c:491 drivers/net/netdevsim/bus.c:244) netdevsim
[    2.995036]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[    2.995099]  vfs_write (fs/read_write.c:595 fs/read_write.c:688)
[    2.995156]  ksys_write (fs/read_write.c:740)
[    2.995212]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.995268]  ? __sysvec_call_function_single (arch/x86/kernel/smp.c:272)
[    2.995333]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.995396] RIP: 0033:0x7feb93b7708e
[    2.995451] 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
[    2.995587] RSP: 002b:00007ffe99188fd0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    2.995666] RAX: ffffffffffffffda RBX: 00007feb93cf9580 RCX: 00007feb93b7708e
[    2.995743] RDX: 0000000000000004 RSI: 00005597eb63eff0 RDI: 0000000000000001
[    2.995826] RBP: 00007ffe99188fe0 R08: 0000000000000000 R09: 0000000000000000
[    2.995902] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[    2.995985] R13: 0000000000000004 R14: 00005597eb63eff0 R15: 0000000000000000
| [    2.996270] ------------[ cut here ]------------
| [    2.996335] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: peer.sh/158
| [    2.996423] Modules linked in: netdevsim
| [    2.996575] Tainted: [W]=WARN
[    2.996629] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.996698] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.996771] 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
[    2.996905] RSP: 0018:ff57c8f2403dfb88 EFLAGS: 00010286
[    2.996983] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.997063] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff2aa4ab81d9c600
[    2.997140] RBP: 0000000000000000 R08: ff2aa4ab83757ad0 R09: ff2aa4ab813cc830
[    2.997218] R10: ff2aa4ab82d6c118 R11: fefefefefefefeff R12: 0000000000000000
[    2.997297] R13: 0000000000000011 R14: ff2aa4ab82d6c000 R15: ff2aa4ab81d9c600
[    2.997377] FS:  00007feb93b05b80(0000) GS:ff2aa4ac26d5a000(0000) knlGS:0000000000000000
[    2.997456] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.997524] CR2: 00005597d501f6e0 CR3: 0000000003506006 CR4: 0000000000771ef0
[    2.997601] PKRU: 55555554
[    2.997648] Call Trace:
[    2.997697]  <TASK>
[    2.997746]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    2.997819]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309)
[    2.997883] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[    2.997957] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[    2.998022] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[    2.998087] nsim_drv_remove (drivers/net/netdevsim/dev.c:1800) netdevsim
[    2.998152]  device_release_driver_internal (drivers/base/dd.c:1352 drivers/base/dd.c:1375)
[    2.998219]  bus_remove_device (drivers/base/bus.c:657)
[    2.998275]  ? device_remove_attrs (drivers/base/core.c:2844 drivers/base/core.c:2977)
[    2.998339]  device_del (drivers/base/core.c:3895)
[    2.998396]  device_unregister (drivers/base/core.c:3936)
[    2.998452] del_device_store (drivers/net/netdevsim/bus.c:491 drivers/net/netdevsim/bus.c:244) netdevsim
[    2.998517]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[    2.998581]  vfs_write (fs/read_write.c:595 fs/read_write.c:688)
[    2.998639]  ksys_write (fs/read_write.c:740)
[    2.998695]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.998760]  ? __sysvec_call_function_single (arch/x86/kernel/smp.c:272)
[    2.998823]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.998887] RIP: 0033:0x7feb93b7708e
[    2.998949] 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
[    2.999085] RSP: 002b:00007ffe99188fd0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    2.999162] RAX: ffffffffffffffda RBX: 00007feb93cf9580 RCX: 00007feb93b7708e
[    2.999240] RDX: 0000000000000004 RSI: 00005597eb63eff0 RDI: 0000000000000001
[    2.999316] RBP: 00007ffe99188fe0 R08: 0000000000000000 R09: 0000000000000000
[    2.999391] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[    2.999464] R13: 0000000000000004 R14: 00005597eb63eff0 R15: 0000000000000000
| [    3.058427] ------------[ cut here ]------------
| [    3.058484] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/64
| [    3.058548] Modules linked in: [last unloaded: netdevsim]
| [    3.058635] Tainted: [W]=WARN
[    3.058654] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.058688] Workqueue: netns cleanup_net
[    3.058709] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.058737] 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
[    3.058836] RSP: 0018:ff57c8f240237c78 EFLAGS: 00010286
[    3.058860] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.058907] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff2aa4ab83424800
[    3.058959] RBP: 0000000000000000 R08: ff2aa4ab836e7390 R09: ff2aa4ab86b1502c
[    3.058996] R10: ff2aa4ab84ffc118 R11: fefefefefefefeff R12: 0000000000000000
[    3.059037] R13: 0000000000000011 R14: ff2aa4ab84ffc000 R15: ff2aa4ab83424800
[    3.059078] FS:  0000000000000000(0000) GS:ff2aa4ac26c5a000(0000) knlGS:0000000000000000
[    3.059122] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.059158] CR2: 00007f62160b3574 CR3: 000000001ba42002 CR4: 0000000000771ef0
[    3.059198] PKRU: 55555554
[    3.059211] Call Trace:
[    3.059223]  <TASK>
[    3.059239]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    3.059266]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    3.059292]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    3.059311]  cleanup_net (net/core/net_namespace.c:702)
[    3.059330]  process_one_work (kernel/workqueue.c:3314)
[    3.059355]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    3.059380]  ? rescuer_thread (kernel/workqueue.c:3672)
[    3.059402]  kthread (kernel/kthread.c:436)
[    3.059421]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    3.059441]  ret_from_fork (arch/x86/kernel/process.c:158)
[    3.059464]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    3.059485]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    3.059608] ------------[ cut here ]------------
| [    3.059635] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/64
| [    3.059685] Modules linked in: [last unloaded: netdevsim]
| [    3.059776] Tainted: [W]=WARN
[    3.059796] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.059834] Workqueue: netns cleanup_net
[    3.059858] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.059881] 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
[    3.059977] RSP: 0018:ff57c8f240237c78 EFLAGS: 00010286
[    3.060008] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.060044] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff2aa4ab83424800
[    3.060088] RBP: 0000000000000000 R08: ff2aa4ab8375b890 R09: ff2aa4ab84ff182c
[    3.060126] R10: ff2aa4ab84e15118 R11: fefefefefefefeff R12: 0000000000000000
[    3.060166] R13: 0000000000000011 R14: ff2aa4ab84e15000 R15: ff2aa4ab83424800
[    3.060214] FS:  0000000000000000(0000) GS:ff2aa4ac26c5a000(0000) knlGS:0000000000000000
[    3.060261] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.060295] CR2: 00007f62160b3574 CR3: 000000001ba42002 CR4: 0000000000771ef0
[    3.060336] PKRU: 55555554
[    3.060352] Call Trace:
[    3.060364]  <TASK>
[    3.060380]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    3.060405]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    3.060432]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    3.060456]  cleanup_net (net/core/net_namespace.c:702)
[    3.060475]  process_one_work (kernel/workqueue.c:3314)
[    3.060503]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    3.060521]  ? rescuer_thread (kernel/workqueue.c:3672)
[    3.060545]  kthread (kernel/kthread.c:436)
[    3.060564]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    3.060582]  ret_from_fork (arch/x86/kernel/process.c:158)
[    3.060601]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))


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