======================================
| xx__-> [    2.258485] ------------[ cut here ]------------
| [    2.258545] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: tc-mq-visibilit/159
| [    2.258609] Modules linked in: netdevsim
| [    2.258693] Tainted: [W]=WARN
[    2.258720] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.258755] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.258783] 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
[    2.258871] RSP: 0018:ff767cb8c03ef9d0 EFLAGS: 00010286
[    2.258900] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.258939] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff13541dc1d71600
[    2.258979] RBP: 0000000000000000 R08: ff13541dc3129e10 R09: ff13541dc19bf030
[    2.259020] R10: ff13541dc31ce118 R11: fefefefefefefeff R12: 0000000000000000
[    2.259060] R13: 0000000000000010 R14: ff13541dc31ce000 R15: ff13541dc1d71600
[    2.259110] FS:  00007f0538c90b80(0000) GS:ff13541e59dda000(0000) knlGS:0000000000000000
[    2.259154] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.259192] CR2: 000055b450467da8 CR3: 00000000033ec003 CR4: 0000000000771ef0
[    2.259235] PKRU: 55555554
[    2.259251] Call Trace:
[    2.259272]  <TASK>
[    2.259288]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.259307]  register_netdevice (net/core/dev.c:11488)
[    2.259329] nsim_create (drivers/net/netdevsim/netdev.c:1069 drivers/net/netdevsim/netdev.c:1151) netdevsim
[    2.259361] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[    2.259393] nsim_drv_probe (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1731) netdevsim
[    2.259421]  really_probe (drivers/base/dd.c:631 drivers/base/dd.c:709)
[    2.259446]  ? driver_probe_device (./include/linux/list.h:164 (discriminator 3))
[    2.259474]  __driver_probe_device (drivers/base/dd.c:871)
[    2.259504]  driver_probe_device (drivers/base/dd.c:901)
[    2.259525]  __device_attach_driver (drivers/base/dd.c:1029)
[    2.259558]  bus_for_each_drv (drivers/base/bus.c:500)
[    2.259580]  __device_attach (drivers/base/dd.c:1101)
[    2.259602]  device_initial_probe (drivers/base/dd.c:1156)
[    2.259627]  bus_probe_device (drivers/base/bus.c:613)
[    2.259647]  device_add (drivers/base/core.c:3706)
[    2.259667] new_device_store (drivers/net/netdevsim/bus.c:471 drivers/net/netdevsim/bus.c:191) netdevsim
[    2.259697]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[    2.259732]  vfs_write (fs/read_write.c:595 fs/read_write.c:688)
[    2.259754]  ksys_write (fs/read_write.c:740)
[    2.259776]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.259796]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.259827] RIP: 0033:0x7f0538d0208e
[    2.259851] 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
[    2.259943] RSP: 002b:00007ffdf9357b20 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    2.259984] RAX: ffffffffffffffda RBX: 00007f0538e84580 RCX: 00007f0538d0208e
[    2.260028] RDX: 0000000000000008 RSI: 000055b450466da0 RDI: 0000000000000001
[    2.260069] RBP: 00007ffdf9357b30 R08: 0000000000000000 R09: 0000000000000000
[    2.260110] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000008
[    2.260156] R13: 0000000000000008 R14: 000055b450466da0 R15: 0000000000000000
| [    2.321051] ------------[ cut here ]------------
| [    2.321099] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/223
| [    2.321153] Modules linked in: netdevsim
| [    2.321239] Tainted: [W]=WARN
[    2.321267] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.321303] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.321328] 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
[    2.321426] RSP: 0018:ff767cb8c042f720 EFLAGS: 00010286
[    2.321456] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    2.321502] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff13541dc3103000
[    2.321540] RBP: 0000000000000000 R08: ff13541dc3129e10 R09: ff13541dc19be030
[    2.321580] R10: ff13541dc31ce118 R11: fefefefefefefeff R12: 0000000000000000
[    2.321620] R13: 0000000000000010 R14: ff13541dc31ce000 R15: ff13541dc3103000
[    2.321664] FS:  00007f752f57f840(0000) GS:ff13541e59dda000(0000) knlGS:0000000000000000
[    2.321707] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.321741] CR2: 0000000015813988 CR3: 00000000074cf001 CR4: 0000000000771ef0
[    2.321777] PKRU: 55555554
[    2.321793] Call Trace:
[    2.321811]  <TASK>
[    2.321825]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.321849]  __dev_notify_flags (net/core/dev.c:9787)
[    2.321870]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[    2.321890]  netif_change_flags (net/core/dev.c:9820)
[    2.321913]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    2.321937]  ? __nla_validate_parse (lib/nlattr.c:620)
[    2.321969]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    2.321995]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    2.322019]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    2.322046]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    2.322066]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    2.322090]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.322120]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.322140]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.322164]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.322186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    2.322206]  ___sys_sendmsg (net/socket.c:2752)
[    2.322230]  __sys_sendmsg (net/socket.c:2784)
[    2.322252]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.322279]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.322308] RIP: 0033:0x7f752f7b908e
[    2.322329] 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
[    2.322419] RSP: 002b:00007fffb2dcff60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.322460] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f752f7b908e
[    2.322502] RDX: 0000000000000000 RSI: 00007fffb2dd0010 RDI: 0000000000000005
[    2.322543] RBP: 00007fffb2dcff70 R08: 0000000000000000 R09: 0000000000000000
[    2.322586] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d2ba
[    2.322628] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffb2dd06d0
| [    2.396046] ------------[ cut here ]------------
| [    2.396142] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: tc-mq-visibilit/158
| [    2.396249] Modules linked in: netdevsim
| [    2.396418] Tainted: [W]=WARN
[    2.396475] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.396552] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.396617] 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
[    2.396749] RSP: 0018:ff767cb8c0387b18 EFLAGS: 00010286
[    2.396813] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[    2.396891] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff13541dc1d73400
[    2.396968] RBP: 0000000000000000 R08: ff13541dc3129e10 R09: ff13541dc2dff030
[    2.397044] R10: ff13541dc31ce118 R11: fefefefefefefeff R12: 0000000000000000
[    2.397120] R13: 0000000000000010 R14: ff13541dc31ce000 R15: ff13541dc1d73400
[    2.397203] FS:  00007f0538c90b80(0000) GS:ff13541e59d5a000(0000) knlGS:0000000000000000
[    2.397292] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.397363] CR2: 000055b450469608 CR3: 0000000004880001 CR4: 0000000000771ef0
[    2.397444] PKRU: 55555554
[    2.397493] Call Trace:
[    2.397553]  <TASK>
[    2.397605]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.397664]  netif_close_many (net/core/dev.c:1804)
[    2.397723]  unregister_netdevice_many_notify (net/core/dev.c:12330 net/core/dev.c:12400)
[    2.397788]  ? __destroy_inode (fs/inode.c:371)
[    2.397847]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309)
[    2.397911] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[    2.397980] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[    2.398047] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[    2.398113] nsim_drv_remove (drivers/net/netdevsim/dev.c:1800) netdevsim
[    2.398184]  device_release_driver_internal (drivers/base/dd.c:1352 drivers/base/dd.c:1375)
[    2.398251]  bus_remove_device (drivers/base/bus.c:657)
[    2.398315]  ? device_remove_attrs (drivers/base/core.c:2844 drivers/base/core.c:2977)
[    2.398381]  device_del (drivers/base/core.c:3895)
[    2.398438]  device_unregister (drivers/base/core.c:3936)
[    2.398504] del_device_store (drivers/net/netdevsim/bus.c:491 drivers/net/netdevsim/bus.c:244) netdevsim
[    2.398576]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[    2.398643]  vfs_write (fs/read_write.c:595 fs/read_write.c:688)
[    2.398700]  ksys_write (fs/read_write.c:740)
[    2.398757]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.398816]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.398880] RIP: 0033:0x7f0538d0208e
[    2.398937] 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
[    2.399068] RSP: 002b:00007ffdf9359730 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    2.399145] RAX: ffffffffffffffda RBX: 00007f0538e84580 RCX: 00007f0538d0208e
[    2.399221] RDX: 0000000000000004 RSI: 000055b450468600 RDI: 0000000000000001
[    2.399303] RBP: 00007ffdf9359740 R08: 0000000000000000 R09: 0000000000000000
[    2.399380] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[    2.399456] R13: 0000000000000004 R14: 000055b450468600 R15: 0000000000000000
| [    2.399731] ------------[ cut here ]------------
| [    2.399793] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: tc-mq-visibilit/158
| [    2.399885] Modules linked in: netdevsim
| [    2.400033] Tainted: [W]=WARN
[    2.400093] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.400165] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.400233] 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
[    2.400369] RSP: 0018:ff767cb8c0387b88 EFLAGS: 00010286
[    2.400435] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.400521] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff13541dc1d73400
[    2.400599] RBP: 0000000000000000 R08: ff13541dc3129e10 R09: ff13541dc31ab830
[    2.400677] R10: ff13541dc31ce118 R11: fefefefefefefeff R12: 0000000000000000
[    2.400755] R13: 0000000000000011 R14: ff13541dc31ce000 R15: ff13541dc1d73400
[    2.400833] FS:  00007f0538c90b80(0000) GS:ff13541e59d5a000(0000) knlGS:0000000000000000
[    2.400911] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.400980] CR2: 000055b450469608 CR3: 0000000004880001 CR4: 0000000000771ef0
[    2.401060] PKRU: 55555554
[    2.401108] Call Trace:
[    2.401156]  <TASK>
[    2.401204]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    2.401278]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309)
[    2.401342] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[    2.401407] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[    2.401472] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[    2.401546] nsim_drv_remove (drivers/net/netdevsim/dev.c:1800) netdevsim
[    2.401614]  device_release_driver_internal (drivers/base/dd.c:1352 drivers/base/dd.c:1375)
[    2.401684]  bus_remove_device (drivers/base/bus.c:657)
[    2.401747]  ? device_remove_attrs (drivers/base/core.c:2844 drivers/base/core.c:2977)
[    2.401820]  device_del (drivers/base/core.c:3895)
[    2.401880]  device_unregister (drivers/base/core.c:3936)
[    2.401938] del_device_store (drivers/net/netdevsim/bus.c:491 drivers/net/netdevsim/bus.c:244) netdevsim
[    2.402003]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[    2.402068]  vfs_write (fs/read_write.c:595 fs/read_write.c:688)
[    2.402126]  ksys_write (fs/read_write.c:740)
[    2.402183]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.402240]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.402310] RIP: 0033:0x7f0538d0208e
[    2.402366] 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
[    2.402506] RSP: 002b:00007ffdf9359730 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    2.402584] RAX: ffffffffffffffda RBX: 00007f0538e84580 RCX: 00007f0538d0208e
[    2.402667] RDX: 0000000000000004 RSI: 000055b450468600 RDI: 0000000000000001
[    2.402743] RBP: 00007ffdf9359740 R08: 0000000000000000 R09: 0000000000000000
[    2.402823] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[    2.402902] R13: 0000000000000004 R14: 000055b450468600 R15: 0000000000000000
| [    2.438720] ------------[ cut here ]------------
| [    2.438770] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: tc-mq-visibilit/304
| [    2.438841] Modules linked in: netdevsim
| [    2.438938] Tainted: [W]=WARN
[    2.438961] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.438996] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.439028] 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
[    2.439123] RSP: 0018:ff767cb8c04ff9d0 EFLAGS: 00010286
[    2.439153] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.439201] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff13541dc30f4f00
[    2.439247] RBP: 0000000000000000 R08: ff13541dc485e310 R09: ff13541dc19b8030
[    2.439299] R10: ff13541dc31de118 R11: fefefefefefefeff R12: 0000000000000000
[    2.439344] R13: 0000000000000010 R14: ff13541dc31de000 R15: ff13541dc30f4f00
[    2.439389] FS:  00007f0538c90b80(0000) GS:ff13541e59c5a000(0000) knlGS:0000000000000000
[    2.439435] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.439475] CR2: 00007f0538e41493 CR3: 00000000076fe005 CR4: 0000000000771ef0
[    2.439525] PKRU: 55555554
[    2.439540] Call Trace:
[    2.439557]  <TASK>
[    2.439573]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.439596]  register_netdevice (net/core/dev.c:11488)
[    2.439621] nsim_create (drivers/net/netdevsim/netdev.c:1069 drivers/net/netdevsim/netdev.c:1151) netdevsim
[    2.439653] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[    2.439683] nsim_drv_probe (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1731) netdevsim
[    2.439713]  really_probe (drivers/base/dd.c:631 drivers/base/dd.c:709)
[    2.439736]  ? driver_probe_device (./include/linux/list.h:164 (discriminator 3))
[    2.439766]  __driver_probe_device (drivers/base/dd.c:871)
[    2.439796]  driver_probe_device (drivers/base/dd.c:901)
[    2.439819]  __device_attach_driver (drivers/base/dd.c:1029)
[    2.439848]  bus_for_each_drv (drivers/base/bus.c:500)
[    2.439871]  __device_attach (drivers/base/dd.c:1101)
[    2.439894]  device_initial_probe (drivers/base/dd.c:1156)
[    2.439917]  bus_probe_device (drivers/base/bus.c:613)
[    2.439944]  device_add (drivers/base/core.c:3706)
[    2.439968] new_device_store (drivers/net/netdevsim/bus.c:471 drivers/net/netdevsim/bus.c:191) netdevsim
[    2.439999]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[    2.440028]  vfs_write (fs/read_write.c:595 fs/read_write.c:688)
[    2.440053]  ksys_write (fs/read_write.c:740)
[    2.440076]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.440098]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.440130] RIP: 0033:0x7f0538d0208e
[    2.440150] 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
[    2.440246] RSP: 002b:00007ffdf9357b20 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    2.440293] RAX: ffffffffffffffda RBX: 00007f0538e84580 RCX: 00007f0538d0208e
[    2.440335] RDX: 0000000000000008 RSI: 000055b450468600 RDI: 0000000000000001
[    2.440380] RBP: 00007ffdf9357b30 R08: 0000000000000000 R09: 0000000000000000
[    2.440433] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000008
[    2.440478] R13: 0000000000000008 R14: 000055b450468600 R15: 0000000000000000
| [    2.497075] ------------[ cut here ]------------
| [    2.497151] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/367
| [    2.497241] Modules linked in: netdevsim
| [    2.497397] Tainted: [W]=WARN
[    2.497452] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.497528] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.497591] 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
[    2.497722] RSP: 0018:ff767cb8c0627720 EFLAGS: 00010286
[    2.497784] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    2.497860] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff13541dc30f9200
[    2.497939] RBP: 0000000000000000 R08: ff13541dc485e310 R09: ff13541dc2fcd030
[    2.498016] R10: ff13541dc31de118 R11: fefefefefefefeff R12: 0000000000000000
[    2.498092] R13: 0000000000000010 R14: ff13541dc31de000 R15: ff13541dc30f9200
[    2.498172] FS:  00007f5bcbc8a840(0000) GS:ff13541e59d5a000(0000) knlGS:0000000000000000
[    2.498251] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.498329] CR2: 0000000009460988 CR3: 0000000007cfe003 CR4: 0000000000771ef0
[    2.498408] PKRU: 55555554
[    2.498456] Call Trace:
[    2.498511]  <TASK>
[    2.498561]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.498618]  __dev_notify_flags (net/core/dev.c:9787)
[    2.498676]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[    2.498733]  netif_change_flags (net/core/dev.c:9820)
[    2.498790]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    2.498850]  ? __nla_validate_parse (lib/nlattr.c:620)
[    2.498916]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    2.498974]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    2.499031]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    2.499101]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    2.499158]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    2.499216]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.499285]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.499343]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.499401]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.499457]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    2.499521]  ___sys_sendmsg (net/socket.c:2752)
[    2.499580]  __sys_sendmsg (net/socket.c:2784)
[    2.499656]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.499716]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.499779] RIP: 0033:0x7f5bcbec408e
[    2.499835] 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
[    2.499965] RSP: 002b:00007fff874358d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.500043] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f5bcbec408e
[    2.500118] RDX: 0000000000000000 RSI: 00007fff87435980 RDI: 0000000000000005
[    2.500195] RBP: 00007fff874358e0 R08: 0000000000000000 R09: 0000000000000000
[    2.500283] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d2ba
[    2.500363] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff87436040
| [    2.570890] ------------[ cut here ]------------
| [    2.570959] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: tc-mq-visibilit/158
| [    2.571054] Modules linked in: netdevsim
| [    2.571205] Tainted: [W]=WARN
[    2.571273] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.571342] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.571406] 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
[    2.571544] RSP: 0018:ff767cb8c0387b18 EFLAGS: 00010286
[    2.571607] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[    2.571684] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff13541dc18e5f00
[    2.571761] RBP: 0000000000000000 R08: ff13541dc485e310 R09: ff13541dc2fcd030
[    2.571836] R10: ff13541dc31de118 R11: fefefefefefefeff R12: 0000000000000000
[    2.571912] R13: 0000000000000010 R14: ff13541dc31de000 R15: ff13541dc18e5f00
[    2.571992] FS:  00007f0538c90b80(0000) GS:ff13541e59d5a000(0000) knlGS:0000000000000000
[    2.572070] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.572140] CR2: 00007ffdf935a004 CR3: 0000000004880003 CR4: 0000000000771ef0
[    2.572218] PKRU: 55555554
[    2.572272] Call Trace:
[    2.572321]  <TASK>
[    2.572370]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.572427]  netif_close_many (net/core/dev.c:1804)
[    2.572485]  unregister_netdevice_many_notify (net/core/dev.c:12330 net/core/dev.c:12400)
[    2.572552]  ? __destroy_inode (fs/inode.c:371)
[    2.572610]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309)
[    2.572673] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[    2.572740] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[    2.572804] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[    2.572870] nsim_drv_remove (drivers/net/netdevsim/dev.c:1800) netdevsim
[    2.572934]  device_release_driver_internal (drivers/base/dd.c:1352 drivers/base/dd.c:1375)
[    2.573000]  bus_remove_device (drivers/base/bus.c:657)
[    2.573057]  ? device_remove_attrs (drivers/base/core.c:2844 drivers/base/core.c:2977)
[    2.573121]  device_del (drivers/base/core.c:3895)
[    2.573178]  device_unregister (drivers/base/core.c:3936)
[    2.573235] del_device_store (drivers/net/netdevsim/bus.c:491 drivers/net/netdevsim/bus.c:244) netdevsim
[    2.573306]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[    2.573370]  vfs_write (fs/read_write.c:595 fs/read_write.c:688)
[    2.573428]  ksys_write (fs/read_write.c:740)
[    2.573485]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.573548]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.573611] RIP: 0033:0x7f0538d0208e
[    2.573667] 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
[    2.573800] RSP: 002b:00007ffdf9359730 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    2.573878] RAX: ffffffffffffffda RBX: 00007f0538e84580 RCX: 00007f0538d0208e
[    2.573954] RDX: 0000000000000004 RSI: 000055b450468600 RDI: 0000000000000001
[    2.574030] RBP: 00007ffdf9359740 R08: 0000000000000000 R09: 0000000000000000
[    2.574108] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[    2.574184] R13: 0000000000000004 R14: 000055b450468600 R15: 0000000000000000
| [    2.574447] ------------[ cut here ]------------
| [    2.574517] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: tc-mq-visibilit/158
| [    2.574609] Modules linked in: netdevsim
| [    2.574758] Tainted: [W]=WARN
[    2.574812] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.574881] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.574943] 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
[    2.575074] RSP: 0018:ff767cb8c0387b88 EFLAGS: 00010286
[    2.575136] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.575212] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff13541dc18e5f00
[    2.575296] RBP: 0000000000000000 R08: ff13541dc485e310 R09: ff13541dc49b8030
[    2.575372] R10: ff13541dc31de118 R11: fefefefefefefeff R12: 0000000000000000
[    2.575447] R13: 0000000000000011 R14: ff13541dc31de000 R15: ff13541dc18e5f00
[    2.575532] FS:  00007f0538c90b80(0000) GS:ff13541e59d5a000(0000) knlGS:0000000000000000
[    2.575611] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.575680] CR2: 00007ffdf935a004 CR3: 0000000004880003 CR4: 0000000000771ef0
[    2.575757] PKRU: 55555554
[    2.575804] Call Trace:
[    2.575852]  <TASK>
[    2.575900]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    2.575963]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309)
[    2.576027] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[    2.576092] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[    2.576157] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[    2.576221] nsim_drv_remove (drivers/net/netdevsim/dev.c:1800) netdevsim
[    2.576298]  device_release_driver_internal (drivers/base/dd.c:1352 drivers/base/dd.c:1375)
[    2.576362]  bus_remove_device (drivers/base/bus.c:657)
[    2.576419]  ? device_remove_attrs (drivers/base/core.c:2844 drivers/base/core.c:2977)
[    2.576483]  device_del (drivers/base/core.c:3895)
[    2.576549]  device_unregister (drivers/base/core.c:3936)
[    2.576606] del_device_store (drivers/net/netdevsim/bus.c:491 drivers/net/netdevsim/bus.c:244) netdevsim
[    2.576670]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[    2.576733]  vfs_write (fs/read_write.c:595 fs/read_write.c:688)
[    2.576790]  ksys_write (fs/read_write.c:740)
[    2.576847]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.576903]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.576967] RIP: 0033:0x7f0538d0208e
[    2.577023] 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
[    2.577154] RSP: 002b:00007ffdf9359730 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    2.577231] RAX: ffffffffffffffda RBX: 00007f0538e84580 RCX: 00007f0538d0208e
[    2.577314] RDX: 0000000000000004 RSI: 000055b450468600 RDI: 0000000000000001
[    2.577390] RBP: 00007ffdf9359740 R08: 0000000000000000 R09: 0000000000000000
[    2.577465] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004


Finger prints:
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:netif_close_many:unregister_netdevice_many_notify:unregister_netdevice_queue
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