======================================
| xx__-> [    9.084592][  T164] ------------[ cut here ]------------
| [    9.084830][  T164] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: devlink_trap.sh/164
| [    9.085138][  T164] Modules linked in: netdevsim
| [    9.085721][  T164] Tainted: [W]=WARN
[    9.085840][  T164] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.086029][  T164] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.086227][  T164] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.086771][  T164] RSP: 0018:ffa0000000817858 EFLAGS: 00010286
[    9.086964][  T164] RAX: 00000000ffffffa6 RBX: ff1100000b175840 RCX: 1ff4000000102ed1
[    9.087192][  T164] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b1758f0
[    9.087425][  T164] RBP: ff11000008e6a000 R08: 1fe220000162eb1f R09: ff1100000c3aaef8
[    9.087653][  T164] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.087881][  T164] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008e6a000
[    9.088107][  T164] FS:  00007fd927d35b80(0000) GS:ff1100007af85000(0000) knlGS:0000000000000000
[    9.088496][  T164] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.088734][  T164] CR2: 000055924f4c40fc CR3: 00000000096a3004 CR4: 0000000000771ef0
[    9.088969][  T164] PKRU: 55555554
[    9.089082][  T164] Call Trace:
[    9.089196][  T164]  <TASK>
[    9.089275][  T164]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.089442][  T164]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.089559][  T164]  register_netdevice (net/core/dev.c:11488)
[    9.089716][  T164]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.089905][  T164]  ? __debugfs_create_file (fs/debugfs/inode.c:412 fs/debugfs/inode.c:452)
[    9.090061][  T164] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[    9.090261][  T164] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[    9.090422][  T164] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[    9.090709][  T164]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[    9.091002][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.091159][  T164]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[    9.091310][  T164] nsim_drv_port_add (drivers/net/netdevsim/dev.c:1839) netdevsim
[    9.091569][  T164] new_port_store (drivers/net/netdevsim/bus.c:96 (discriminator 3)) netdevsim
[    9.091722][  T164]  ? del_port_store (drivers/net/netdevsim/bus.c:120) netdevsim
[    9.091912][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[    9.092063][  T164]  ? sysfs_kf_write (fs/sysfs/file.c:137)
[    9.092216][  T164]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[    9.092369][  T164]  ? kernfs_ops (fs/kernfs/file.c:128)
[    9.092546][  T164]  new_sync_write (fs/read_write.c:595)
[    9.092697][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.092847][  T164]  ? new_sync_read (./include/linux/ioprio.h:41)
[    9.093007][  T164]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.093156][  T164]  ? ksys_write (fs/read_write.c:740)
[    9.093307][  T164]  vfs_write (fs/read_write.c:688)
[    9.093487][  T164]  ksys_write (fs/read_write.c:740)
[    9.093602][  T164]  ? __ia32_sys_read (fs/read_write.c:724)
[    9.093812][  T164]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    9.093960][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.094111][  T164]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.094261][  T164]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.094476][  T164]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.094628][  T164]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.094813][  T164] RIP: 0033:0x7fd927da708e
[    9.094971][  T164] 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
[    9.095512][  T164] RSP: 002b:00007ffca3d74000 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    9.095740][  T164] RAX: ffffffffffffffda RBX: 00007fd927f29580 RCX: 00007fd927da708e
[    9.095964][  T164] RDX: 0000000000000002 RSI: 000055924f5f4040 RDI: 0000000000000001
[    9.096184][  T164] RBP: 00007ffca3d74010 R08: 0000000000000000 R09: 0000000000000000
[    9.096414][  T164] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002
[    9.096740][  T164] R13: 0000000000000002 R14: 000055924f5f4040 R15: 0000000000000000
| [   13.704406][  T466] ------------[ cut here ]------------
| [   13.704802][  T466] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/466
| [   13.705047][  T466] Modules linked in: netdevsim
| [   13.705610][  T466] Tainted: [W]=WARN
[   13.705717][  T466] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.705888][  T466] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.706077][  T466] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.706568][  T466] RSP: 0018:ffa0000000f47020 EFLAGS: 00010286
[   13.706744][  T466] RAX: 00000000ffffffa6 RBX: ff1100000b2d5cc0 RCX: 1ff40000001e8dca
[   13.706948][  T466] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b2d5d70
[   13.707154][  T466] RBP: ff11000008e6a000 R08: 1fe220000165abaf R09: ff1100000cd35180
[   13.707360][  T466] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000001
[   13.707582][  T466] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   13.707795][  T466] FS:  00007fee847ef840(0000) GS:ff1100007b005000(0000) knlGS:0000000000000000
[   13.708036][  T466] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.708209][  T466] CR2: 0000000026757988 CR3: 000000000abc6001 CR4: 0000000000771ef0
[   13.708427][  T466] PKRU: 55555554
[   13.708532][  T466] Call Trace:
[   13.708636][  T466]  <TASK>
[   13.708707][  T466]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.708847][  T466]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.708953][  T466]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   13.709091][  T466]  __dev_notify_flags (net/core/dev.c:9787)
[   13.709229][  T466]  ? netif_change_name (net/core/dev.c:1495)
[   13.709364][  T466]  ? __dev_change_flags (net/core/dev.c:9752)
[   13.709512][  T466]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   13.709651][  T466]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.709788][  T466]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   13.709927][  T466]  netif_change_flags (net/core/dev.c:9820)
[   13.710065][  T466]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   13.710203][  T466]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   13.710341][  T466]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   13.710523][  T466]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.710659][  T466]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.710795][  T466]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.710930][  T466]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.711067][  T466]  ? __kernel_text_address (kernel/extable.c:79)
[   13.711204][  T466]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.711344][  T466]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.711491][  T466]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.711628][  T466]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.711766][  T466]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.711904][  T466]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.712038][  T466]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.712172][  T466]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   13.712309][  T466]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   13.712460][  T466]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   13.712595][  T466]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.712733][  T466]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   13.712874][  T466]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   13.713013][  T466]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.713151][  T466]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.713287][  T466]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.713489][  T466]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.713627][  T466]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.713762][  T466]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.713901][  T466]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.714036][  T466]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.714173][  T466]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.714311][  T466]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.714550][  T466]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.714687][  T466]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.714823][  T466]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.714960][  T466]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.715097][  T466]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.715237][  T466]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.715374][  T466]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.715579][  T466]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.715715][  T466]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.715851][  T466]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.715990][  T466]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.716128][  T466]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.716268][  T466]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.716405][  T466]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.716551][  T466]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.716690][  T466]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.716829][  T466]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.716966][  T466]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.717109][  T466]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.717247][  T466]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.717385][  T466]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.717565][  T466]  ? move_addr_to_kernel (net/socket.c:258)
[   13.717703][  T466]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.717841][  T466]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.717978][  T466]  ___sys_sendmsg (net/socket.c:2752)
[   13.718112][  T466]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   13.718281][  T466]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.718442][  T466]  __sys_sendmsg (net/socket.c:2784)
[   13.718581][  T466]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.718717][  T466]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   13.718888][  T466]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   13.719023][  T466]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.719160][  T466]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.719296][  T466]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.719445][  T466]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.719583][  T466]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.719752][  T466] RIP: 0033:0x7fee84a2908e
[   13.719895][  T466] 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
[   13.720377][  T466] RSP: 002b:00007ffd9bae4330 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.720593][  T466] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fee84a2908e
[   13.720799][  T466] RDX: 0000000000000000 RSI: 00007ffd9bae43e0 RDI: 0000000000000005
[   13.721002][  T466] RBP: 00007ffd9bae4340 R08: 0000000000000000 R09: 0000000000000000
[   13.721207][  T466] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e7e7
[   13.721435][  T466] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd9bae4aa0
| [   17.293228][  T508] ------------[ cut here ]------------
| [   17.293423][  T508] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/508
| [   17.293670][  T508] Modules linked in: netdevsim
| [   17.294088][  T508] Tainted: [W]=WARN
[   17.294188][  T508] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.294366][  T508] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   17.294556][  T508] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   17.295028][  T508] RSP: 0018:ffa0000000fa7020 EFLAGS: 00010286
[   17.295196][  T508] RAX: 00000000ffffffa6 RBX: ff11000005efd0c0 RCX: 1ff40000001f4dca
[   17.295395][  T508] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000005efd170
[   17.295602][  T508] RBP: ff11000008e6a000 R08: 1fe2200000bdfa2f R09: ff11000008d45180
[   17.295801][  T508] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   17.296001][  T508] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   17.296202][  T508] FS:  00007fcb2f9a7840(0000) GS:ff1100007b105000(0000) knlGS:0000000000000000
[   17.296445][  T508] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.296614][  T508] CR2: 000000003b2d7988 CR3: 000000000f39f005 CR4: 0000000000771ef0
[   17.296814][  T508] PKRU: 55555554
[   17.296914][  T508] Call Trace:
[   17.297014][  T508]  <TASK>
[   17.297083][  T508]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   17.297217][  T508]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   17.297320][  T508]  __dev_notify_flags (net/core/dev.c:9787)
[   17.297458][  T508]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[   17.297594][  T508]  ? netif_change_name (net/core/dev.c:1495)
[   17.297727][  T508]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   17.297860][  T508]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   17.297992][  T508]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.298126][  T508]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   17.298262][  T508]  netif_change_flags (net/core/dev.c:9820)
[   17.298395][  T508]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   17.298556][  T508]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   17.298695][  T508]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   17.298868][  T508]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.299001][  T508]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   17.299133][  T508]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   17.299265][  T508]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   17.299397][  T508]  ? __kernel_text_address (kernel/extable.c:79)
[   17.299545][  T508]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.299680][  T508]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.299813][  T508]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   17.299946][  T508]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.300076][  T508]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   17.300210][  T508]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.300342][  T508]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.300590][  T508]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   17.300801][  T508]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   17.300936][  T508]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   17.301067][  T508]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   17.301201][  T508]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   17.301336][  T508]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   17.301564][  T508]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   17.301713][  T508]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.301850][  T508]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.301986][  T508]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   17.302122][  T508]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   17.302257][  T508]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.302395][  T508]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.302597][  T508]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.302729][  T508]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   17.302876][  T508]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.303016][  T508]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   17.303152][  T508]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   17.303289][  T508]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   17.303433][  T508]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.303568][  T508]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.303714][  T508]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.303852][  T508]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.303992][  T508]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   17.304130][  T508]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.304266][  T508]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   17.304420][  T508]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   17.304558][  T508]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   17.304692][  T508]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   17.304825][  T508]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   17.304958][  T508]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.305091][  T508]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   17.305223][  T508]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   17.305355][  T508]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   17.305502][  T508]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   17.305635][  T508]  ? copy_msghdr_from_user (net/socket.c:2635)
[   17.305765][  T508]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   17.305927][  T508]  ? move_addr_to_kernel (net/socket.c:258)
[   17.306061][  T508]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   17.306192][  T508]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   17.306325][  T508]  ___sys_sendmsg (net/socket.c:2752)
[   17.306466][  T508]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   17.306631][  T508]  ? copy_msghdr_from_user (net/socket.c:2603)
[   17.306775][  T508]  __sys_sendmsg (net/socket.c:2784)
[   17.306920][  T508]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   17.307056][  T508]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   17.307229][  T508]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   17.307365][  T508]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.307523][  T508]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   17.307655][  T508]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   17.307789][  T508]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   17.307922][  T508]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.308085][  T508] RIP: 0033:0x7fcb2fbe108e
[   17.308227][  T508] 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
[   17.308703][  T508] RSP: 002b:00007ffe353a1020 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   17.308901][  T508] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fcb2fbe108e
[   17.309098][  T508] RDX: 0000000000000000 RSI: 00007ffe353a10d0 RDI: 0000000000000005
[   17.309295][  T508] RBP: 00007ffe353a1030 R08: 0000000000000000 R09: 0000000000000000
[   17.309505][  T508] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e7ea
[   17.309702][  T508] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe353a1790
| [   18.498856][  T523] ------------[ cut here ]------------
| [   18.499094][  T523] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/523
| [   18.499397][  T523] Modules linked in: netdevsim
| [   18.500274][  T523] Tainted: [W]=WARN
[   18.500443][  T523] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.500657][  T523] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.500883][  T523] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.501725][  T523] RSP: 0018:ffa0000000fa7020 EFLAGS: 00010286
[   18.501942][  T523] RAX: 00000000ffffffa6 RBX: ff11000008f0a640 RCX: 1ff40000001f4dca
[   18.502188][  T523] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008f0a6f0
[   18.502452][  T523] RBP: ff11000008e6a000 R08: 1fe22000011e14df R09: ff1100000cdcd180
[   18.502702][  T523] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   18.502946][  T523] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   18.503200][  T523] FS:  00007f94c7200840(0000) GS:ff1100007b085000(0000) knlGS:0000000000000000
[   18.503506][  T523] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.503722][  T523] CR2: 00007f94c74d01a0 CR3: 000000000d687004 CR4: 0000000000771ef0
[   18.503971][  T523] PKRU: 55555554
[   18.504117][  T523] Call Trace:
[   18.504265][  T523]  <TASK>
[   18.504381][  T523]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[   18.504589][  T523]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   18.504774][  T523]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   18.504923][  T523]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   18.505107][  T523]  __dev_notify_flags (net/core/dev.c:9787)
[   18.505291][  T523]  ? netif_change_name (net/core/dev.c:1495)
[   18.505488][  T523]  ? __dev_change_flags (net/core/dev.c:9752)
[   18.505671][  T523]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   18.505850][  T523]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.506030][  T523]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   18.506214][  T523]  netif_change_flags (net/core/dev.c:9820)
[   18.506396][  T523]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   18.506595][  T523]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   18.506779][  T523]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   18.506994][  T523]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.507172][  T523]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   18.507349][  T523]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   18.507548][  T523]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   18.507728][  T523]  ? __kernel_text_address (kernel/extable.c:79)
[   18.507911][  T523]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   18.508093][  T523]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.508269][  T523]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   18.508467][  T523]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.508647][  T523]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.508832][  T523]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.509010][  T523]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.509190][  T523]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   18.509369][  T523]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   18.509566][  T523]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   18.509746][  T523]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   18.509929][  T523]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   18.510112][  T523]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   18.510293][  T523]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   18.510490][  T523]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.510668][  T523]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   18.510863][  T523]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   18.511038][  T523]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   18.511217][  T523]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.511399][  T523]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.511595][  T523]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   18.511772][  T523]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   18.511948][  T523]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.512127][  T523]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   18.512305][  T523]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   18.512499][  T523]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   18.512677][  T523]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.512855][  T523]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   18.513052][  T523]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.513231][  T523]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   18.513428][  T523]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   18.513613][  T523]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.513792][  T523]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   18.513977][  T523]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   18.514154][  T523]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   18.514334][  T523]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   18.514536][  T523]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   18.514714][  T523]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   18.514893][  T523]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   18.515075][  T523]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   18.515254][  T523]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   18.515453][  T523]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   18.515633][  T523]  ? copy_msghdr_from_user (net/socket.c:2635)
[   18.515810][  T523]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   18.516018][  T523]  ? move_addr_to_kernel (net/socket.c:258)
[   18.516198][  T523]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   18.516379][  T523]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   18.516614][  T523]  ___sys_sendmsg (net/socket.c:2752)
[   18.516792][  T523]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   18.517001][  T523]  ? copy_msghdr_from_user (net/socket.c:2603)
[   18.517210][  T523]  __sys_sendmsg (net/socket.c:2784)
[   18.517394][  T523]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   18.517593][  T523]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   18.517810][  T523]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   18.517991][  T523]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.518173][  T523]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   18.518355][  T523]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   18.518558][  T523]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   18.518741][  T523]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.518955][  T523] RIP: 0033:0x7f94c743a08e
[   18.519144][  T523] 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
[   18.519682][  T523] RSP: 002b:00007ffee96ccb90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   18.519927][  T523] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f94c743a08e
[   18.520167][  T523] RDX: 0000000000000000 RSI: 00007ffee96ccc40 RDI: 0000000000000005
[   18.520444][  T523] RBP: 00007ffee96ccba0 R08: 0000000000000000 R09: 0000000000000000
[   18.520711][  T523] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e7eb
[   18.520955][  T523] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffee96cd300
| [   22.128066][  T564] ------------[ cut here ]------------
| [   22.128287][  T564] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/564
| [   22.128596][  T564] Modules linked in: netdevsim
| [   22.129095][  T564] Tainted: [W]=WARN
[   22.129241][  T564] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.129539][  T564] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.129843][  T564] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.130448][  T564] RSP: 0018:ffa00000010d7020 EFLAGS: 00010286
[   22.130715][  T564] RAX: 00000000ffffffa6 RBX: ff1100000ab5edc0 RCX: 1ff400000021adca
[   22.131010][  T564] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ab5ee70
[   22.131332][  T564] RBP: ff11000008e6a000 R08: 1fe220000156bdcf R09: ff1100000278ae80
[   22.131670][  T564] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   22.132001][  T564] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   22.132332][  T564] FS:  00007f45e2ec7840(0000) GS:ff1100007b085000(0000) knlGS:0000000000000000
[   22.132715][  T564] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.133006][  T564] CR2: 0000000020ac6988 CR3: 000000000beea002 CR4: 0000000000771ef0
[   22.133349][  T564] PKRU: 55555554
[   22.133588][  T564] Call Trace:
[   22.133793][  T564]  <TASK>
[   22.133961][  T564]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   22.134202][  T564]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   22.134438][  T564]  __dev_notify_flags (net/core/dev.c:9787)
[   22.134675][  T564]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[   22.134910][  T564]  ? netif_change_name (net/core/dev.c:1495)
[   22.135153][  T564]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   22.135338][  T564]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   22.135530][  T564]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.135714][  T564]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   22.135896][  T564]  netif_change_flags (net/core/dev.c:9820)
[   22.136075][  T564]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   22.136259][  T564]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   22.136462][  T564]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   22.136680][  T564]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.136860][  T564]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.137045][  T564]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   22.137223][  T564]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   22.137405][  T564]  ? __kernel_text_address (kernel/extable.c:79)
[   22.137629][  T564]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.137812][  T564]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.137990][  T564]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   22.138173][  T564]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.138352][  T564]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   22.138553][  T564]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.138733][  T564]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.138914][  T564]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   22.139092][  T564]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   22.139268][  T564]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   22.139467][  T564]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   22.139648][  T564]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   22.139832][  T564]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   22.140015][  T564]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   22.140196][  T564]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.140373][  T564]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.140568][  T564]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.140745][  T564]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   22.140926][  T564]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.141107][  T564]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.141286][  T564]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.141485][  T564]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.141665][  T564]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.141847][  T564]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.142028][  T564]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   22.142211][  T564]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.142393][  T564]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.142593][  T564]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.142775][  T564]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.142955][  T564]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.143150][  T564]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   22.143332][  T564]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.143533][  T564]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   22.143717][  T564]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   22.143901][  T564]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   22.144084][  T564]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   22.144262][  T564]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   22.144461][  T564]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.144641][  T564]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   22.144823][  T564]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   22.145001][  T564]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   22.145182][  T564]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   22.145362][  T564]  ? copy_msghdr_from_user (net/socket.c:2635)
[   22.145562][  T564]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   22.145777][  T564]  ? move_addr_to_kernel (net/socket.c:258)
[   22.145959][  T564]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   22.146137][  T564]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.146315][  T564]  ___sys_sendmsg (net/socket.c:2752)
[   22.146515][  T564]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   22.146725][  T564]  ? copy_msghdr_from_user (net/socket.c:2603)
[   22.146915][  T564]  __sys_sendmsg (net/socket.c:2784)
[   22.147092][  T564]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   22.147276][  T564]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   22.147540][  T564]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   22.147724][  T564]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.147903][  T564]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   22.148081][  T564]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   22.148257][  T564]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   22.148455][  T564]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.148667][  T564] RIP: 0033:0x7f45e310108e
[   22.148851][  T564] 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
[   22.149356][  T564] RSP: 002b:00007ffd3fda35a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   22.149621][  T564] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f45e310108e
[   22.149863][  T564] RDX: 0000000000000000 RSI: 00007ffd3fda3650 RDI: 0000000000000005
[   22.150127][  T564] RBP: 00007ffd3fda35b0 R08: 0000000000000000 R09: 0000000000000000
[   22.150373][  T564] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e7ef
[   22.150631][  T564] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd3fda3d10
| [   23.329275][  T578] ------------[ cut here ]------------
| [   23.329876][  T578] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/578
| [   23.330251][  T578] Modules linked in: netdevsim
| [   23.330931][  T578] Tainted: [W]=WARN
[   23.331075][  T578] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.331289][  T578] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.331536][  T578] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.332071][  T578] RSP: 0018:ffa0000001117020 EFLAGS: 00010286
[   23.332287][  T578] RAX: 00000000ffffffa6 RBX: ff1100000b2e87c0 RCX: 1ff4000000222dca
[   23.332569][  T578] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b2e8870
[   23.332819][  T578] RBP: ff11000008e6a000 R08: 1fe220000165d10f R09: ff1100000c7ad180
[   23.333072][  T578] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   23.333320][  T578] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   23.333598][  T578] FS:  00007f78ddde3840(0000) GS:ff1100007b085000(0000) knlGS:0000000000000000
[   23.333877][  T578] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.334091][  T578] CR2: 000000003f09a988 CR3: 000000000bcba005 CR4: 0000000000771ef0
[   23.334354][  T578] PKRU: 55555554
[   23.334527][  T578] Call Trace:
[   23.334678][  T578]  <TASK>
[   23.334796][  T578]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   23.334984][  T578]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   23.335135][  T578]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   23.335318][  T578]  __dev_notify_flags (net/core/dev.c:9787)
[   23.335532][  T578]  ? netif_change_name (net/core/dev.c:1495)
[   23.335718][  T578]  ? __dev_change_flags (net/core/dev.c:9752)
[   23.335902][  T578]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   23.336081][  T578]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.336264][  T578]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   23.336470][  T578]  netif_change_flags (net/core/dev.c:9820)
[   23.336657][  T578]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   23.336846][  T578]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   23.337028][  T578]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   23.337242][  T578]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.337437][  T578]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.337627][  T578]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   23.337809][  T578]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   23.337993][  T578]  ? __kernel_text_address (kernel/extable.c:79)
[   23.338181][  T578]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.338367][  T578]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.338570][  T578]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   23.338767][  T578]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.338948][  T578]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   23.339137][  T578]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.339318][  T578]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.339523][  T578]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   23.339710][  T578]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   23.339892][  T578]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   23.340075][  T578]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   23.340260][  T578]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   23.340467][  T578]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   23.340655][  T578]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   23.340840][  T578]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.341026][  T578]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.341211][  T578]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.341394][  T578]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   23.341597][  T578]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.341783][  T578]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.341964][  T578]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.342148][  T578]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.342331][  T578]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.342539][  T578]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.342722][  T578]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   23.342905][  T578]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.343087][  T578]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.343270][  T578]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.343470][  T578]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.343652][  T578]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.343836][  T578]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   23.344021][  T578]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.344204][  T578]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   23.344397][  T578]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   23.344601][  T578]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   23.344786][  T578]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   23.344969][  T578]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   23.345151][  T578]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.345337][  T578]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   23.345541][  T578]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   23.345724][  T578]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   23.345909][  T578]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   23.346092][  T578]  ? copy_msghdr_from_user (net/socket.c:2635)
[   23.346272][  T578]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   23.346501][  T578]  ? move_addr_to_kernel (net/socket.c:258)
[   23.346690][  T578]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   23.346874][  T578]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.347057][  T578]  ___sys_sendmsg (net/socket.c:2752)
[   23.347237][  T578]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   23.347470][  T578]  ? copy_msghdr_from_user (net/socket.c:2603)
[   23.347668][  T578]  __sys_sendmsg (net/socket.c:2784)
[   23.347850][  T578]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   23.348028][  T578]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   23.348250][  T578]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   23.348453][  T578]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.348636][  T578]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.348820][  T578]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   23.349003][  T578]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   23.349186][  T578]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.349402][  T578] RIP: 0033:0x7f78de01d08e
[   23.349617][  T578] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   23.350133][  T578] RSP: 002b:00007fff243cddd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   23.350385][  T578] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f78de01d08e
[   23.350657][  T578] RDX: 0000000000000000 RSI: 00007fff243cde80 RDI: 0000000000000005
[   23.350905][  T578] RBP: 00007fff243cdde0 R08: 0000000000000000 R09: 0000000000000000
[   23.351153][  T578] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e7f0
[   23.351398][  T578] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff243ce540
| [   26.899385][  T619] ------------[ cut here ]------------
| [   26.899634][  T619] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/619
| [   26.899898][  T619] Modules linked in: netdevsim
| [   26.900315][  T619] Tainted: [W]=WARN
[   26.900422][  T619] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.900597][  T619] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   26.900774][  T619] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   26.901255][  T619] RSP: 0018:ffa00000011d7020 EFLAGS: 00010286
[   26.901432][  T619] RAX: 00000000ffffffa6 RBX: ff1100000b2e6ac0 RCX: 1ff400000023adca
[   26.901641][  T619] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b2e6b70
[   26.901839][  T619] RBP: ff11000008e6a000 R08: 1fe220000165cd6f R09: ff1100000973d180
[   26.902051][  T619] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   26.902256][  T619] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   26.902465][  T619] FS:  00007ff5fbc0d840(0000) GS:ff1100007af85000(0000) knlGS:0000000000000000
[   26.902703][  T619] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.902873][  T619] CR2: 000000003c390988 CR3: 000000000a3d4003 CR4: 0000000000771ef0
[   26.903081][  T619] PKRU: 55555554
[   26.903182][  T619] Call Trace:
[   26.903295][  T619]  <TASK>
[   26.903365][  T619]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   26.903511][  T619]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   26.903615][  T619]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   26.903750][  T619]  __dev_notify_flags (net/core/dev.c:9787)
[   26.903885][  T619]  ? netif_change_name (net/core/dev.c:1495)
[   26.904018][  T619]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   26.904165][  T619]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   26.904298][  T619]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.904473][  T619]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   26.904619][  T619]  netif_change_flags (net/core/dev.c:9820)
[   26.904754][  T619]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   26.904889][  T619]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   26.905029][  T619]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   26.905199][  T619]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   26.905337][  T619]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.905547][  T619]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   26.905758][  T619]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   26.905893][  T619]  ? __kernel_text_address (kernel/extable.c:79)
[   26.906026][  T619]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.906163][  T619]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.906295][  T619]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   26.906539][  T619]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.906673][  T619]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   26.906805][  T619]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.906955][  T619]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.907088][  T619]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   26.907245][  T619]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   26.907383][  T619]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   26.907608][  T619]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   26.907761][  T619]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   26.907898][  T619]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   26.908062][  T619]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   26.908199][  T619]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.908333][  T619]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.908560][  T619]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   26.908712][  T619]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   26.908849][  T619]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.908987][  T619]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.909121][  T619]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.909254][  T619]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   26.909390][  T619]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.909577][  T619]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   26.909711][  T619]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   26.909843][  T619]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.909976][  T619]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.910138][  T619]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.910281][  T619]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.910420][  T619]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.910561][  T619]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   26.910693][  T619]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.910830][  T619]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   26.910975][  T619]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   26.911109][  T619]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   26.911245][  T619]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   26.911378][  T619]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   26.911529][  T619]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.911686][  T619]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   26.911840][  T619]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   26.911987][  T619]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   26.912128][  T619]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   26.912270][  T619]  ? copy_msghdr_from_user (net/socket.c:2635)
[   26.912401][  T619]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   26.912574][  T619]  ? move_addr_to_kernel (net/socket.c:258)
[   26.912708][  T619]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   26.912845][  T619]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.913001][  T619]  ___sys_sendmsg (net/socket.c:2752)
[   26.913141][  T619]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   26.913342][  T619]  ? copy_msghdr_from_user (net/socket.c:2603)
[   26.913528][  T619]  __sys_sendmsg (net/socket.c:2784)
[   26.913668][  T619]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   26.913802][  T619]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   26.913971][  T619]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   26.914106][  T619]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.914238][  T619]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   26.914371][  T619]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   26.914515][  T619]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   26.914649][  T619]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.914822][  T619] RIP: 0033:0x7ff5fbe4708e
[   26.914962][  T619] 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
[   26.915464][  T619] RSP: 002b:00007fffa6d44cb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   26.915674][  T619] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff5fbe4708e
[   26.915879][  T619] RDX: 0000000000000000 RSI: 00007fffa6d44d60 RDI: 0000000000000005
[   26.916083][  T619] RBP: 00007fffa6d44cc0 R08: 0000000000000000 R09: 0000000000000000
[   26.916288][  T619] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e7f4
[   26.916503][  T619] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffa6d45420
| [   28.095338][  T633] ------------[ cut here ]------------
| [   28.095943][  T633] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/633
| [   28.096197][  T633] Modules linked in: netdevsim
| [   28.096641][  T633] Tainted: [W]=WARN
[   28.096745][  T633] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.096919][  T633] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   28.097101][  T633] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   28.097622][  T633] RSP: 0018:ffa0000001267020 EFLAGS: 00010286
[   28.097799][  T633] RAX: 00000000ffffffa6 RBX: ff110000095d6940 RCX: 1ff400000024cdca
[   28.098004][  T633] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000095d69f0
[   28.098209][  T633] RBP: ff11000008e6a000 R08: 1fe22000012bad3f R09: ff1100000bec8b80
[   28.098420][  T633] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   28.098630][  T633] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   28.098838][  T633] FS:  00007f894b8d2840(0000) GS:ff1100007af85000(0000) knlGS:0000000000000000
[   28.099081][  T633] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.099252][  T633] CR2: 00007f894bba21a0 CR3: 000000000bf7f005 CR4: 0000000000771ef0
[   28.099469][  T633] PKRU: 55555554
[   28.099574][  T633] Call Trace:
[   28.099679][  T633]  <TASK>
[   28.099749][  T633]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[   28.099893][  T633]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   28.100032][  T633]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   28.100137][  T633]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   28.100275][  T633]  __dev_notify_flags (net/core/dev.c:9787)
[   28.100420][  T633]  ? netif_change_name (net/core/dev.c:1495)
[   28.100559][  T633]  ? __dev_change_flags (net/core/dev.c:9752)
[   28.100697][  T633]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   28.100837][  T633]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.100975][  T633]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   28.101114][  T633]  netif_change_flags (net/core/dev.c:9820)
[   28.101254][  T633]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   28.101394][  T633]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   28.101545][  T633]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   28.101718][  T633]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   28.101857][  T633]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   28.101994][  T633]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   28.102132][  T633]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   28.102271][  T633]  ? __kernel_text_address (kernel/extable.c:79)
[   28.102417][  T633]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   28.102562][  T633]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.102701][  T633]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   28.102838][  T633]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   28.102976][  T633]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   28.103113][  T633]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   28.103251][  T633]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   28.103388][  T633]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   28.103534][  T633]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   28.103673][  T633]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   28.103812][  T633]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   28.103952][  T633]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   28.104092][  T633]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   28.104232][  T633]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   28.104372][  T633]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.104531][  T633]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   28.104670][  T633]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   28.104805][  T633]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   28.104943][  T633]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.105083][  T633]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.105220][  T633]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   28.105359][  T633]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   28.105508][  T633]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.105647][  T633]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   28.105784][  T633]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   28.105921][  T633]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   28.106059][  T633]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.106198][  T633]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   28.106339][  T633]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.106487][  T633]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   28.106632][  T633]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   28.106769][  T633]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.106908][  T633]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   28.107048][  T633]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   28.107187][  T633]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   28.107328][  T633]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   28.107476][  T633]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   28.107613][  T633]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   28.107752][  T633]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   28.107891][  T633]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   28.108028][  T633]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   28.108168][  T633]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   28.108304][  T633]  ? copy_msghdr_from_user (net/socket.c:2635)
[   28.108446][  T633]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   28.108624][  T633]  ? move_addr_to_kernel (net/socket.c:258)
[   28.108763][  T633]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   28.108902][  T633]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   28.109043][  T633]  ___sys_sendmsg (net/socket.c:2752)
[   28.109181][  T633]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   28.109350][  T633]  ? copy_msghdr_from_user (net/socket.c:2603)
[   28.109509][  T633]  __sys_sendmsg (net/socket.c:2784)
[   28.109647][  T633]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   28.109783][  T633]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   28.109958][  T633]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   28.110097][  T633]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   28.110239][  T633]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   28.110378][  T633]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   28.110526][  T633]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   28.110665][  T633]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   28.110837][  T633] RIP: 0033:0x7f894bb0c08e
[   28.110986][  T633] 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
[   28.111483][  T633] RSP: 002b:00007fff31f7fdb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   28.111691][  T633] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f894bb0c08e
[   28.111896][  T633] RDX: 0000000000000000 RSI: 00007fff31f7fe60 RDI: 0000000000000005
[   28.112102][  T633] RBP: 00007fff31f7fdc0 R08: 0000000000000000 R09: 0000000000000000
[   28.112308][  T633] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e7f5
[   28.112526][  T633] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff31f80520
| [   31.697557][  T674] ------------[ cut here ]------------
| [   31.697758][  T674] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/674
| [   31.698023][  T674] Modules linked in: netdevsim
| [   31.698785][  T674] Tainted: [W]=WARN
[   31.698886][  T674] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   31.699057][  T674] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   31.699233][  T674] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   31.699718][  T674] RSP: 0018:ffa0000001297020 EFLAGS: 00010286
[   31.699889][  T674] RAX: 00000000ffffffa6 RBX: ff110000095a6940 RCX: 1ff4000000252dca
[   31.700088][  T674] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000095a69f0
[   31.700287][  T674] RBP: ff11000008e6a000 R08: 1fe22000012b4d3f R09: ff1100000278ae80
[   31.700494][  T674] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   31.700712][  T674] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   31.700916][  T674] FS:  00007f085c891840(0000) GS:ff1100007af85000(0000) knlGS:0000000000000000
[   31.701151][  T674] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   31.701320][  T674] CR2: 00007f085cb611a0 CR3: 000000000c7fc006 CR4: 0000000000771ef0
[   31.701530][  T674] PKRU: 55555554
[   31.701630][  T674] Call Trace:
[   31.701729][  T674]  <TASK>
[   31.701798][  T674]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   31.701934][  T674]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   31.702038][  T674]  __dev_notify_flags (net/core/dev.c:9787)
[   31.702171][  T674]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[   31.702307][  T674]  ? netif_change_name (net/core/dev.c:1495)
[   31.702449][  T674]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   31.702594][  T674]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   31.702738][  T674]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.702872][  T674]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   31.703007][  T674]  netif_change_flags (net/core/dev.c:9820)
[   31.703140][  T674]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   31.703277][  T674]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   31.703415][  T674]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   31.703590][  T674]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   31.703724][  T674]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   31.703858][  T674]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   31.703989][  T674]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   31.704122][  T674]  ? __kernel_text_address (kernel/extable.c:79)
[   31.704254][  T674]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.704387][  T674]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.704589][  T674]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   31.704722][  T674]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.704853][  T674]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   31.704987][  T674]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.705117][  T674]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.705248][  T674]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   31.705382][  T674]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   31.705607][  T674]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   31.705740][  T674]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   31.705873][  T674]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   31.706008][  T674]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   31.706142][  T674]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   31.706274][  T674]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.706407][  T674]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.706634][  T674]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   31.706842][  T674]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   31.706973][  T674]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.707134][  T674]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.707266][  T674]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.707397][  T674]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   31.707622][  T674]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.707771][  T674]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   31.707906][  T674]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   31.708038][  T674]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   31.708169][  T674]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.708299][  T674]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.708530][  T674]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.708671][  T674]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.708803][  T674]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   31.708935][  T674]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.709068][  T674]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   31.709203][  T674]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   31.709334][  T674]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   31.709541][  T674]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   31.709674][  T674]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   31.709806][  T674]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.709940][  T674]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   31.710072][  T674]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   31.710204][  T674]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   31.710338][  T674]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   31.710532][  T674]  ? copy_msghdr_from_user (net/socket.c:2635)
[   31.710666][  T674]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   31.710828][  T674]  ? move_addr_to_kernel (net/socket.c:258)
[   31.710961][  T674]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   31.711093][  T674]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   31.711226][  T674]  ___sys_sendmsg (net/socket.c:2752)
[   31.711358][  T674]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   31.711587][  T674]  ? copy_msghdr_from_user (net/socket.c:2603)
[   31.711732][  T674]  __sys_sendmsg (net/socket.c:2784)
[   31.711866][  T674]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   31.711998][  T674]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   31.712165][  T674]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   31.712298][  T674]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.712493][  T674]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   31.712627][  T674]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   31.712760][  T674]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   31.712892][  T674]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   31.713059][  T674] RIP: 0033:0x7f085cacb08e
[   31.713202][  T674] 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
[   31.713730][  T674] RSP: 002b:00007ffdff01e8e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   31.713934][  T674] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f085cacb08e
[   31.714140][  T674] RDX: 0000000000000000 RSI: 00007ffdff01e990 RDI: 0000000000000005
[   31.714343][  T674] RBP: 00007ffdff01e8f0 R08: 0000000000000000 R09: 0000000000000000
[   31.714555][  T674] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e7f9
[   31.714787][  T674] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdff01f050
| [   32.881881][  T688] ------------[ cut here ]------------
| [   32.882119][  T688] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/688
| [   32.882406][  T688] Modules linked in: netdevsim
| [   32.882944][  T688] Tainted: [W]=WARN
[   32.883094][  T688] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.883311][  T688] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   32.883557][  T688] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   32.884076][  T688] RSP: 0018:ffa00000013a7020 EFLAGS: 00010286
[   32.884291][  T688] RAX: 00000000ffffffa6 RBX: ff1100000d7f4040 RCX: 1ff4000000274dca
[   32.884556][  T688] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d7f40f0
[   32.884800][  T688] RBP: ff11000008e6a000 R08: 1fe2200001afe81f R09: ff1100000212ae80
[   32.885048][  T688] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   32.885291][  T688] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   32.885559][  T688] FS:  00007f69d99bc840(0000) GS:ff1100007b085000(0000) knlGS:0000000000000000
[   32.885840][  T688] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.886054][  T688] CR2: 000000003d53f988 CR3: 000000000a2a0003 CR4: 0000000000771ef0
[   32.886303][  T688] PKRU: 55555554
[   32.886460][  T688] Call Trace:
[   32.886616][  T688]  <TASK>
[   32.886733][  T688]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   32.886918][  T688]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   32.887066][  T688]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   32.887246][  T688]  __dev_notify_flags (net/core/dev.c:9787)
[   32.887440][  T688]  ? netif_change_name (net/core/dev.c:1495)
[   32.887626][  T688]  ? __dev_change_flags (net/core/dev.c:9752)
[   32.887806][  T688]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   32.887983][  T688]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.888164][  T688]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   32.888346][  T688]  netif_change_flags (net/core/dev.c:9820)
[   32.888553][  T688]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   32.888740][  T688]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   32.888921][  T688]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   32.889132][  T688]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   32.889312][  T688]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   32.889513][  T688]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   32.889693][  T688]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   32.889875][  T688]  ? __kernel_text_address (kernel/extable.c:79)
[   32.890060][  T688]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   32.890241][  T688]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.890433][  T688]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   32.890636][  T688]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.890816][  T688]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   32.890994][  T688]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.891172][  T688]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.891352][  T688]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   32.891561][  T688]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   32.891739][  T688]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   32.891917][  T688]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   32.892096][  T688]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   32.892276][  T688]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   32.892470][  T688]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   32.892660][  T688]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.892839][  T688]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.893018][  T688]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   32.893196][  T688]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   32.893375][  T688]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.893574][  T688]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.893751][  T688]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.893930][  T688]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   32.894108][  T688]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.894291][  T688]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   32.894489][  T688]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   32.894672][  T688]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   32.894855][  T688]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.895032][  T688]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   32.895210][  T688]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.895386][  T688]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.895587][  T688]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   32.895766][  T688]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.895943][  T688]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   32.896122][  T688]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   32.896299][  T688]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   32.896499][  T688]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   32.896678][  T688]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   32.896855][  T688]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   32.897040][  T688]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   32.897221][  T688]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   32.897399][  T688]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   32.897606][  T688]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   32.897791][  T688]  ? copy_msghdr_from_user (net/socket.c:2635)
[   32.897968][  T688]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   32.898176][  T688]  ? move_addr_to_kernel (net/socket.c:258)
[   32.898360][  T688]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   32.898562][  T688]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   32.898744][  T688]  ___sys_sendmsg (net/socket.c:2752)
[   32.898920][  T688]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   32.899137][  T688]  ? copy_msghdr_from_user (net/socket.c:2603)
[   32.899330][  T688]  __sys_sendmsg (net/socket.c:2784)
[   32.899536][  T688]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   32.899719][  T688]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   32.899939][  T688]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   32.900116][  T688]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.900294][  T688]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   32.900491][  T688]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   32.900670][  T688]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   32.900849][  T688]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   32.901056][  T688] RIP: 0033:0x7f69d9bf608e
[   32.901243][  T688] 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
[   32.901778][  T688] RSP: 002b:00007ffd356ac8a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   32.902023][  T688] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f69d9bf608e
[   32.902268][  T688] RDX: 0000000000000000 RSI: 00007ffd356ac950 RDI: 0000000000000005
[   32.902531][  T688] RBP: 00007ffd356ac8b0 R08: 0000000000000000 R09: 0000000000000000
[   32.902771][  T688] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e7fa
[   32.903012][  T688] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd356ad010
| [   36.479141][  T729] ------------[ cut here ]------------
| [   36.479319][  T729] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/729
| [   36.479584][  T729] Modules linked in: netdevsim
| [   36.479997][  T729] Tainted: [W]=WARN
[   36.480099][  T729] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.480267][  T729] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   36.480448][  T729] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   36.480922][  T729] RSP: 0018:ffa0000001487020 EFLAGS: 00010286
[   36.481090][  T729] RAX: 00000000ffffffa6 RBX: ff110000095a61c0 RCX: 1ff4000000290dca
[   36.481294][  T729] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000095a6270
[   36.481505][  T729] RBP: ff11000008e6a000 R08: 1fe22000012b4c4f R09: ff1100000cc05180
[   36.481707][  T729] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   36.481906][  T729] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   36.482108][  T729] FS:  00007f8219bf8840(0000) GS:ff1100007af85000(0000) knlGS:0000000000000000
[   36.482344][  T729] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.482528][  T729] CR2: 000000003f6bd988 CR3: 000000000e401001 CR4: 0000000000771ef0
[   36.482728][  T729] PKRU: 55555554
[   36.482829][  T729] Call Trace:
[   36.482930][  T729]  <TASK>
[   36.483000][  T729]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   36.483135][  T729]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   36.483235][  T729]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   36.483370][  T729]  __dev_notify_flags (net/core/dev.c:9787)
[   36.483520][  T729]  ? netif_change_name (net/core/dev.c:1495)
[   36.483652][  T729]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   36.483789][  T729]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   36.483958][  T729]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   36.484091][  T729]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   36.484226][  T729]  netif_change_flags (net/core/dev.c:9820)
[   36.484361][  T729]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   36.484585][  T729]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   36.484721][  T729]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   36.484887][  T729]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   36.485021][  T729]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   36.485156][  T729]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   36.485289][  T729]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   36.485515][  T729]  ? __kernel_text_address (kernel/extable.c:79)
[   36.485726][  T729]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   36.485862][  T729]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.485995][  T729]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   36.486128][  T729]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   36.486262][  T729]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   36.486394][  T729]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   36.486631][  T729]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   36.486765][  T729]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   36.486899][  T729]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   36.487033][  T729]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   36.487167][  T729]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   36.487301][  T729]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   36.487527][  T729]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   36.487663][  T729]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   36.487797][  T729]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.487928][  T729]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   36.488060][  T729]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   36.488192][  T729]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   36.488325][  T729]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   36.488477][  T729]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.488611][  T729]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   36.488743][  T729]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   36.488879][  T729]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   36.489014][  T729]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   36.489146][  T729]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   36.489277][  T729]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   36.489416][  T729]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.489553][  T729]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   36.489688][  T729]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.489820][  T729]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   36.489953][  T729]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   36.490086][  T729]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.490218][  T729]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   36.490355][  T729]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   36.490499][  T729]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   36.490658][  T729]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   36.490793][  T729]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   36.490927][  T729]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   36.491061][  T729]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   36.491194][  T729]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   36.491333][  T729]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   36.491475][  T729]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   36.491613][  T729]  ? copy_msghdr_from_user (net/socket.c:2635)
[   36.491746][  T729]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   36.491911][  T729]  ? move_addr_to_kernel (net/socket.c:258)
[   36.492047][  T729]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   36.492180][  T729]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   36.492314][  T729]  ___sys_sendmsg (net/socket.c:2752)
[   36.492450][  T729]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   36.492622][  T729]  ? copy_msghdr_from_user (net/socket.c:2603)
[   36.492768][  T729]  __sys_sendmsg (net/socket.c:2784)
[   36.492903][  T729]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   36.493036][  T729]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   36.493204][  T729]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   36.493338][  T729]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   36.493526][  T729]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   36.493663][  T729]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   36.493796][  T729]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   36.493928][  T729]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   36.494095][  T729] RIP: 0033:0x7f8219e3208e
[   36.494236][  T729] 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
[   36.494811][  T729] RSP: 002b:00007fff5bbe6fb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   36.495012][  T729] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f8219e3208e
[   36.495299][  T729] RDX: 0000000000000000 RSI: 00007fff5bbe7060 RDI: 0000000000000005
[   36.495511][  T729] RBP: 00007fff5bbe6fc0 R08: 0000000000000000 R09: 0000000000000000
[   36.495709][  T729] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e7fd
[   36.495995][  T729] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff5bbe7720
| [   37.666221][  T743] ------------[ cut here ]------------
| [   37.666461][  T743] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/743
| [   37.666766][  T743] Modules linked in: netdevsim
| [   37.667290][  T743] Tainted: [W]=WARN
[   37.667457][  T743] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.667681][  T743] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   37.667910][  T743] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   37.668561][  T743] RSP: 0018:ffa00000011f7020 EFLAGS: 00010286
[   37.668872][  T743] RAX: 00000000ffffffa6 RBX: ff1100000d7f4ac0 RCX: 1ff400000023edca
[   37.669211][  T743] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d7f4b70
[   37.669547][  T743] RBP: ff11000008e6a000 R08: 1fe2200001afe96f R09: ff1100000cd32e80
[   37.669899][  T743] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   37.670225][  T743] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   37.670584][  T743] FS:  00007fb309dca840(0000) GS:ff1100007b085000(0000) knlGS:0000000000000000
[   37.670961][  T743] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.671269][  T743] CR2: 00000000268c5988 CR3: 000000000e5f1003 CR4: 0000000000771ef0
[   37.671576][  T743] PKRU: 55555554
[   37.671722][  T743] Call Trace:
[   37.671872][  T743]  <TASK>
[   37.671990][  T743]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   37.672191][  T743]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   37.672342][  T743]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   37.672552][  T743]  __dev_notify_flags (net/core/dev.c:9787)
[   37.672738][  T743]  ? netif_change_name (net/core/dev.c:1495)
[   37.672921][  T743]  ? __dev_change_flags (net/core/dev.c:9752)
[   37.673103][  T743]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   37.673284][  T743]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.673484][  T743]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   37.673678][  T743]  netif_change_flags (net/core/dev.c:9820)
[   37.673864][  T743]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   37.674048][  T743]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   37.674231][  T743]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   37.674462][  T743]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   37.674654][  T743]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   37.674837][  T743]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   37.675018][  T743]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   37.675202][  T743]  ? __kernel_text_address (kernel/extable.c:79)
[   37.675386][  T743]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   37.675587][  T743]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.675770][  T743]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   37.675955][  T743]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.676137][  T743]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   37.676318][  T743]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.676518][  T743]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.676703][  T743]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   37.676884][  T743]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   37.677067][  T743]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   37.677248][  T743]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   37.677447][  T743]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   37.677638][  T743]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   37.677825][  T743]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   37.678008][  T743]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.678188][  T743]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   37.678372][  T743]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   37.678568][  T743]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   37.678749][  T743]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.678938][  T743]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.679118][  T743]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   37.679300][  T743]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   37.679500][  T743]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.679684][  T743]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   37.679867][  T743]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   37.680049][  T743]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   37.680233][  T743]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   37.680430][  T743]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   37.680624][  T743]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.680805][  T743]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   37.680989][  T743]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   37.681170][  T743]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   37.681354][  T743]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   37.681558][  T743]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   37.681744][  T743]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   37.681929][  T743]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   37.682111][  T743]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   37.682292][  T743]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   37.682499][  T743]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   37.682684][  T743]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   37.682869][  T743]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   37.683055][  T743]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   37.683241][  T743]  ? copy_msghdr_from_user (net/socket.c:2635)
[   37.683436][  T743]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   37.683656][  T743]  ? move_addr_to_kernel (net/socket.c:258)
[   37.683841][  T743]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   37.684024][  T743]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   37.684209][  T743]  ___sys_sendmsg (net/socket.c:2752)
[   37.684392][  T743]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   37.684629][  T743]  ? copy_msghdr_from_user (net/socket.c:2603)
[   37.684824][  T743]  __sys_sendmsg (net/socket.c:2784)
[   37.685006][  T743]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   37.685187][  T743]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   37.685703][  T743]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   37.685890][  T743]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.686074][  T743]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   37.686258][  T743]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   37.686455][  T743]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   37.686644][  T743]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   37.686859][  T743] RIP: 0033:0x7fb30a00408e
[   37.687047][  T743] 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
[   37.687594][  T743] RSP: 002b:00007ffe0a0f2cd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   37.687847][  T743] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fb30a00408e
[   37.688094][  T743] RDX: 0000000000000000 RSI: 00007ffe0a0f2d80 RDI: 0000000000000005
[   37.688342][  T743] RBP: 00007ffe0a0f2ce0 R08: 0000000000000000 R09: 0000000000000000
[   37.688613][  T743] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e7ff
[   37.688863][  T743] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe0a0f3440
| [   41.271396][  T784] ------------[ cut here ]------------
| [   41.271606][  T784] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/784
| [   41.271852][  T784] Modules linked in: netdevsim
| [   41.272270][  T784] Tainted: [W]=WARN
[   41.272372][  T784] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   41.273274][  T784] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   41.273509][  T784] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   41.273983][  T784] RSP: 0018:ffa0000001567020 EFLAGS: 00010286
[   41.274193][  T784] RAX: 00000000ffffffa6 RBX: ff11000008ab4dc0 RCX: 1ff40000002acdca
[   41.274398][  T784] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008ab4e70
[   41.274611][  T784] RBP: ff11000008e6a000 R08: 1fe22000011569cf R09: ff11000002788b80
[   41.274812][  T784] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   41.275010][  T784] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   41.275216][  T784] FS:  00007f14fe7b1840(0000) GS:ff1100007b105000(0000) knlGS:0000000000000000
[   41.275467][  T784] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.275644][  T784] CR2: 00007f14fea811a0 CR3: 000000000920c001 CR4: 0000000000771ef0
[   41.275845][  T784] PKRU: 55555554
[   41.275946][  T784] Call Trace:
[   41.276045][  T784]  <TASK>
[   41.276136][  T784]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   41.276309][  T784]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   41.276423][  T784]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   41.276572][  T784]  __dev_notify_flags (net/core/dev.c:9787)
[   41.276713][  T784]  ? netif_change_name (net/core/dev.c:1495)
[   41.276851][  T784]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   41.276990][  T784]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   41.277129][  T784]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   41.277267][  T784]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   41.277414][  T784]  netif_change_flags (net/core/dev.c:9820)
[   41.277558][  T784]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   41.277698][  T784]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   41.277841][  T784]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   41.278013][  T784]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   41.278150][  T784]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   41.278289][  T784]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   41.278429][  T784]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   41.278571][  T784]  ? __kernel_text_address (kernel/extable.c:79)
[   41.278712][  T784]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   41.278853][  T784]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   41.278990][  T784]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   41.279127][  T784]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   41.279264][  T784]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   41.279400][  T784]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   41.279548][  T784]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   41.279687][  T784]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   41.279825][  T784]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   41.279965][  T784]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   41.280102][  T784]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   41.280242][  T784]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   41.280385][  T784]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   41.280533][  T784]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   41.280673][  T784]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   41.280810][  T784]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   41.280948][  T784]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   41.281085][  T784]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   41.281222][  T784]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   41.281362][  T784]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   41.281510][  T784]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   41.281647][  T784]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   41.281786][  T784]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   41.281926][  T784]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   41.282064][  T784]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   41.282201][  T784]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   41.282338][  T784]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   41.282481][  T784]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   41.282627][  T784]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   41.282767][  T784]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   41.282909][  T784]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   41.283046][  T784]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   41.283183][  T784]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   41.283325][  T784]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   41.283469][  T784]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   41.283654][  T784]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   41.283792][  T784]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   41.283928][  T784]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   41.284070][  T784]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   41.284205][  T784]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   41.284340][  T784]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   41.284482][  T784]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   41.284620][  T784]  ? copy_msghdr_from_user (net/socket.c:2635)
[   41.284752][  T784]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   41.284925][  T784]  ? move_addr_to_kernel (net/socket.c:258)
[   41.285063][  T784]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   41.285211][  T784]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   41.285357][  T784]  ___sys_sendmsg (net/socket.c:2752)
[   41.285499][  T784]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   41.285676][  T784]  ? copy_msghdr_from_user (net/socket.c:2603)
[   41.285826][  T784]  __sys_sendmsg (net/socket.c:2784)
[   41.285965][  T784]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   41.286107][  T784]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   41.286282][  T784]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   41.286424][  T784]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   41.286567][  T784]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   41.286706][  T784]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   41.286845][  T784]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   41.286982][  T784]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   41.287158][  T784] RIP: 0033:0x7f14fe9eb08e
[   41.287303][  T784] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   41.287809][  T784] RSP: 002b:00007ffd8bb78e70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   41.288016][  T784] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f14fe9eb08e
[   41.288215][  T784] RDX: 0000000000000000 RSI: 00007ffd8bb78f20 RDI: 0000000000000005
[   41.288421][  T784] RBP: 00007ffd8bb78e80 R08: 0000000000000000 R09: 0000000000000000
[   41.288733][  T784] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e802
[   41.288938][  T784] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd8bb795e0
| [   42.466228][  T798] ------------[ cut here ]------------
| [   42.466991][  T798] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/798
| [   42.467287][  T798] Modules linked in: netdevsim
| [   42.467830][  T798] Tainted: [W]=WARN
[   42.467980][  T798] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   42.468196][  T798] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   42.468442][  T798] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   42.468980][  T798] RSP: 0018:ffa0000001597020 EFLAGS: 00010286
[   42.469201][  T798] RAX: 00000000ffffffa6 RBX: ff1100000b2e9cc0 RCX: 1ff40000002b2dca
[   42.469460][  T798] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b2e9d70
[   42.469716][  T798] RBP: ff11000008e6a000 R08: 1fe220000165d3af R09: ff1100000becd180
[   42.469966][  T798] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   42.470219][  T798] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   42.470482][  T798] FS:  00007f092f590840(0000) GS:ff1100007b085000(0000) knlGS:0000000000000000
[   42.470774][  T798] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.470992][  T798] CR2: 00007f092f8601a0 CR3: 000000000c534002 CR4: 0000000000771ef0
[   42.471246][  T798] PKRU: 55555554
[   42.471394][  T798] Call Trace:
[   42.471563][  T798]  <TASK>
[   42.471680][  T798]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[   42.471867][  T798]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   42.472051][  T798]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   42.472202][  T798]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   42.472384][  T798]  __dev_notify_flags (net/core/dev.c:9787)
[   42.472589][  T798]  ? netif_change_name (net/core/dev.c:1495)
[   42.472775][  T798]  ? __dev_change_flags (net/core/dev.c:9752)
[   42.472958][  T798]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   42.473138][  T798]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   42.473322][  T798]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   42.473527][  T798]  netif_change_flags (net/core/dev.c:9820)
[   42.473712][  T798]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   42.473900][  T798]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   42.474082][  T798]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   42.474298][  T798]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   42.474493][  T798]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   42.474682][  T798]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   42.474863][  T798]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   42.475045][  T798]  ? __kernel_text_address (kernel/extable.c:79)
[   42.475231][  T798]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   42.475428][  T798]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   42.475616][  T798]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   42.475799][  T798]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   42.475981][  T798]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   42.476162][  T798]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   42.476344][  T798]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   42.476549][  T798]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   42.476733][  T798]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   42.476915][  T798]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   42.477097][  T798]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   42.477280][  T798]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   42.477477][  T798]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   42.477670][  T798]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   42.477854][  T798]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   42.478038][  T798]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   42.478221][  T798]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   42.478403][  T798]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   42.478607][  T798]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   42.478793][  T798]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   42.478973][  T798]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   42.479155][  T798]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   42.479338][  T798]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   42.479544][  T798]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   42.479729][  T798]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   42.479913][  T798]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   42.480095][  T798]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   42.480277][  T798]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   42.480476][  T798]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   42.480664][  T798]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   42.480852][  T798]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   42.481034][  T798]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   42.481216][  T798]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   42.481402][  T798]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   42.481605][  T798]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   42.481789][  T798]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   42.481973][  T798]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   42.482156][  T798]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   42.482343][  T798]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   42.482547][  T798]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   42.482732][  T798]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   42.482918][  T798]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   42.483103][  T798]  ? copy_msghdr_from_user (net/socket.c:2635)
[   42.483284][  T798]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   42.483517][  T798]  ? move_addr_to_kernel (net/socket.c:258)
[   42.483706][  T798]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   42.483892][  T798]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   42.484077][  T798]  ___sys_sendmsg (net/socket.c:2752)
[   42.484258][  T798]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   42.484487][  T798]  ? copy_msghdr_from_user (net/socket.c:2603)
[   42.484690][  T798]  __sys_sendmsg (net/socket.c:2784)
[   42.484874][  T798]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   42.485061][  T798]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   42.485281][  T798]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   42.485476][  T798]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   42.485667][  T798]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   42.485849][  T798]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   42.486032][  T798]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   42.486216][  T798]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   42.486444][  T798] RIP: 0033:0x7f092f7ca08e
[   42.486643][  T798] 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
[   42.487166][  T798] RSP: 002b:00007ffeb17d4410 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   42.487432][  T798] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f092f7ca08e
[   42.487689][  T798] RDX: 0000000000000000 RSI: 00007ffeb17d44c0 RDI: 0000000000000005
[   42.487939][  T798] RBP: 00007ffeb17d4420 R08: 0000000000000000 R09: 0000000000000000
[   42.488186][  T798] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e803
[   42.488445][  T798] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffeb17d4b80
| [   43.716613][  T815] ------------[ cut here ]------------
| [   43.716841][  T815] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/815
| [   43.717134][  T815] Modules linked in: netdevsim
| [   43.717678][  T815] Tainted: [W]=WARN
[   43.717830][  T815] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.718048][  T815] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   43.718274][  T815] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   43.718829][  T815] RSP: 0018:ffa00000015d7020 EFLAGS: 00010286
[   43.719048][  T815] RAX: 00000000ffffffa6 RBX: ff11000008f0bcc0 RCX: 1ff40000002badca
[   43.719295][  T815] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008f0bd70
[   43.719564][  T815] RBP: ff11000008e6a000 R08: 1fe22000011e17af R09: ff1100000c2cae80
[   43.719821][  T815] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   43.720068][  T815] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   43.720317][  T815] FS:  00007f757cc1a840(0000) GS:ff1100007b085000(0000) knlGS:0000000000000000
[   43.720701][  T815] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.720985][  T815] CR2: 0000000007fc0988 CR3: 000000000cd95005 CR4: 0000000000771ef0
[   43.721315][  T815] PKRU: 55555554
[   43.721572][  T815] Call Trace:
[   43.721801][  T815]  <TASK>
[   43.722001][  T815]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   43.722190][  T815]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   43.722344][  T815]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   43.722550][  T815]  __dev_notify_flags (net/core/dev.c:9787)
[   43.722743][  T815]  ? netif_change_name (net/core/dev.c:1495)
[   43.722924][  T815]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   43.723106][  T815]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   43.723287][  T815]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   43.723486][  T815]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   43.723682][  T815]  netif_change_flags (net/core/dev.c:9820)
[   43.723865][  T815]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   43.724055][  T815]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   43.724238][  T815]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   43.724464][  T815]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   43.724655][  T815]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   43.724837][  T815]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   43.725018][  T815]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   43.725206][  T815]  ? __kernel_text_address (kernel/extable.c:79)
[   43.725390][  T815]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   43.725622][  T815]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   43.725810][  T815]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   43.725993][  T815]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.726175][  T815]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   43.726356][  T815]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.726558][  T815]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.726747][  T815]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   43.726930][  T815]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   43.727112][  T815]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   43.727296][  T815]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   43.727493][  T815]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   43.727687][  T815]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   43.727874][  T815]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   43.728059][  T815]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   43.728242][  T815]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   43.728438][  T815]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   43.728626][  T815]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   43.728810][  T815]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   43.728995][  T815]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   43.729175][  T815]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   43.729359][  T815]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   43.729565][  T815]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   43.729750][  T815]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   43.729933][  T815]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   43.730114][  T815]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   43.730296][  T815]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   43.730492][  T815]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   43.730686][  T815]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   43.730867][  T815]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   43.731053][  T815]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   43.731233][  T815]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   43.731429][  T815]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   43.731622][  T815]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   43.731808][  T815]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   43.731994][  T815]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   43.732177][  T815]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   43.732363][  T815]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   43.732567][  T815]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   43.732753][  T815]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   43.732936][  T815]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   43.733122][  T815]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   43.733306][  T815]  ? copy_msghdr_from_user (net/socket.c:2635)
[   43.733496][  T815]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   43.733722][  T815]  ? move_addr_to_kernel (net/socket.c:258)
[   43.733909][  T815]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   43.734092][  T815]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   43.734276][  T815]  ___sys_sendmsg (net/socket.c:2752)
[   43.734471][  T815]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   43.734694][  T815]  ? copy_msghdr_from_user (net/socket.c:2603)
[   43.734890][  T815]  __sys_sendmsg (net/socket.c:2784)
[   43.735073][  T815]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   43.735255][  T815]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   43.735487][  T815]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   43.735677][  T815]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.735860][  T815]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   43.736043][  T815]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   43.736227][  T815]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   43.736425][  T815]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   43.736651][  T815] RIP: 0033:0x7f757ce5408e
[   43.736841][  T815] 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
[   43.737363][  T815] RSP: 002b:00007ffcfaa2ca50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   43.737636][  T815] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f757ce5408e
[   43.737886][  T815] RDX: 0000000000000000 RSI: 00007ffcfaa2cb00 RDI: 0000000000000005
[   43.738133][  T815] RBP: 00007ffcfaa2ca60 R08: 0000000000000000 R09: 0000000000000000
[   43.738381][  T815] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e805
[   43.738650][  T815] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcfaa2d1c0
| [   44.919551][  T829] ------------[ cut here ]------------
| [   44.919783][  T829] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/829
| [   44.920073][  T829] Modules linked in: netdevsim
| [   44.921096][  T829] Tainted: [W]=WARN
[   44.921252][  T829] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.921479][  T829] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   44.921722][  T829] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   44.922235][  T829] RSP: 0018:ffa0000001627020 EFLAGS: 00010286
[   44.922461][  T829] RAX: 00000000ffffffa6 RBX: ff1100000b2e7240 RCX: 1ff40000002c4dca
[   44.922715][  T829] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b2e72f0
[   44.922959][  T829] RBP: ff11000008e6a000 R08: 1fe220000165ce5f R09: ff1100000c6cae80
[   44.923211][  T829] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   44.923472][  T829] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   44.923733][  T829] FS:  00007fce972c8840(0000) GS:ff1100007b085000(0000) knlGS:0000000000000000
[   44.924011][  T829] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.924227][  T829] CR2: 000000002320d988 CR3: 000000000cd7a006 CR4: 0000000000771ef0
[   44.924484][  T829] PKRU: 55555554
[   44.924637][  T829] Call Trace:
[   44.924782][  T829]  <TASK>
[   44.924911][  T829]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[   44.925098][  T829]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   44.925283][  T829]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   44.925450][  T829]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   44.925642][  T829]  __dev_notify_flags (net/core/dev.c:9787)
[   44.925829][  T829]  ? netif_change_name (net/core/dev.c:1495)
[   44.926008][  T829]  ? __dev_change_flags (net/core/dev.c:9752)
[   44.926203][  T829]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   44.926381][  T829]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   44.926584][  T829]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   44.926791][  T829]  netif_change_flags (net/core/dev.c:9820)
[   44.926972][  T829]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   44.927156][  T829]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   44.927337][  T829]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   44.927567][  T829]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   44.927748][  T829]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   44.927929][  T829]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   44.928110][  T829]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   44.928290][  T829]  ? __kernel_text_address (kernel/extable.c:79)
[   44.928498][  T829]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   44.928693][  T829]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   44.928875][  T829]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   44.929055][  T829]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   44.929234][  T829]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   44.929427][  T829]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   44.929615][  T829]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   44.929809][  T829]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   44.929991][  T829]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   44.930171][  T829]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   44.930352][  T829]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   44.930552][  T829]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   44.930738][  T829]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   44.930924][  T829]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   44.931107][  T829]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   44.931284][  T829]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   44.931478][  T829]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   44.931675][  T829]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   44.931856][  T829]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   44.932039][  T829]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   44.932221][  T829]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   44.932402][  T829]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   44.932603][  T829]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   44.932784][  T829]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   44.932966][  T829]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   44.933148][  T829]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   44.933329][  T829]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   44.933531][  T829]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   44.933716][  T829]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   44.933895][  T829]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   44.934078][  T829]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   44.934273][  T829]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   44.934470][  T829]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   44.934667][  T829]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   44.934853][  T829]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   44.935040][  T829]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   44.935222][  T829]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   44.935401][  T829]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   44.935753][  T829]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   44.935950][  T829]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   44.936131][  T829]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   44.936317][  T829]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   44.936524][  T829]  ? copy_msghdr_from_user (net/socket.c:2635)
[   44.936710][  T829]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   44.936927][  T829]  ? move_addr_to_kernel (net/socket.c:258)
[   44.937114][  T829]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   44.937298][  T829]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   44.937497][  T829]  ___sys_sendmsg (net/socket.c:2752)
[   44.937688][  T829]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   44.937908][  T829]  ? copy_msghdr_from_user (net/socket.c:2603)
[   44.938122][  T829]  __sys_sendmsg (net/socket.c:2784)
[   44.938308][  T829]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   44.938500][  T829]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   44.938725][  T829]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   44.938905][  T829]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   44.939086][  T829]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   44.939265][  T829]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   44.939466][  T829]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   44.939659][  T829]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   44.939881][  T829] RIP: 0033:0x7fce9750208e
[   44.940072][  T829] 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
[   44.940732][  T829] RSP: 002b:00007ffd3b827ae0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   44.941072][  T829] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fce9750208e
[   44.941316][  T829] RDX: 0000000000000000 RSI: 00007ffd3b827b90 RDI: 0000000000000005
[   44.941581][  T829] RBP: 00007ffd3b827af0 R08: 0000000000000000 R09: 0000000000000000
[   44.941915][  T829] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e806
[   44.942161][  T829] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd3b828250
| [   48.552366][  T870] ------------[ cut here ]------------
| [   48.552564][  T870] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/870
| [   48.552810][  T870] Modules linked in: netdevsim
| [   48.553237][  T870] Tainted: [W]=WARN
[   48.553342][  T870] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   48.553521][  T870] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   48.553708][  T870] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   48.554189][  T870] RSP: 0018:ffa0000001607020 EFLAGS: 00010286
[   48.554366][  T870] RAX: 00000000ffffffa6 RBX: ff110000095a67c0 RCX: 1ff40000002c0dca
[   48.554584][  T870] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000095a6870
[   48.554788][  T870] RBP: ff11000008e6a000 R08: 1fe22000012b4d0f R09: ff1100000cd4d180
[   48.554991][  T870] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   48.555197][  T870] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   48.555405][  T870] FS:  00007f33232c2840(0000) GS:ff1100007af85000(0000) knlGS:0000000000000000
[   48.555658][  T870] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   48.555832][  T870] CR2: 00007f33235921a0 CR3: 000000000a3d4002 CR4: 0000000000771ef0
[   48.556037][  T870] PKRU: 55555554
[   48.556142][  T870] Call Trace:
[   48.556245][  T870]  <TASK>
[   48.556317][  T870]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   48.556460][  T870]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   48.556570][  T870]  __dev_notify_flags (net/core/dev.c:9787)
[   48.556707][  T870]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[   48.556848][  T870]  ? netif_change_name (net/core/dev.c:1495)
[   48.556987][  T870]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   48.557126][  T870]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   48.557262][  T870]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   48.557400][  T870]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   48.557550][  T870]  netif_change_flags (net/core/dev.c:9820)
[   48.557688][  T870]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   48.557831][  T870]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   48.557968][  T870]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   48.558138][  T870]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   48.558276][  T870]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   48.558420][  T870]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   48.558563][  T870]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   48.558701][  T870]  ? __kernel_text_address (kernel/extable.c:79)
[   48.558840][  T870]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   48.558980][  T870]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   48.559118][  T870]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   48.559254][  T870]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   48.559389][  T870]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   48.559627][  T870]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   48.559768][  T870]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   48.559905][  T870]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   48.560042][  T870]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   48.560180][  T870]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   48.560316][  T870]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   48.560520][  T870]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   48.560668][  T870]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   48.560808][  T870]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   48.560944][  T870]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   48.561080][  T870]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   48.561217][  T870]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   48.561356][  T870]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   48.561561][  T870]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   48.561754][  T870]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   48.561890][  T870]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   48.562028][  T870]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   48.562166][  T870]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   48.562304][  T870]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   48.562496][  T870]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   48.562642][  T870]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   48.562777][  T870]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   48.562913][  T870]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   48.563051][  T870]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   48.563186][  T870]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   48.563323][  T870]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   48.563516][  T870]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   48.563658][  T870]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   48.563797][  T870]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   48.563934][  T870]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   48.564073][  T870]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   48.564210][  T870]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   48.564347][  T870]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   48.564497][  T870]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   48.564645][  T870]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   48.564783][  T870]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   48.564923][  T870]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   48.565064][  T870]  ? copy_msghdr_from_user (net/socket.c:2635)
[   48.565205][  T870]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   48.565375][  T870]  ? move_addr_to_kernel (net/socket.c:258)
[   48.565518][  T870]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   48.565662][  T870]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   48.565800][  T870]  ___sys_sendmsg (net/socket.c:2752)
[   48.565938][  T870]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   48.566112][  T870]  ? copy_msghdr_from_user (net/socket.c:2603)
[   48.566263][  T870]  __sys_sendmsg (net/socket.c:2784)
[   48.566399][  T870]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   48.566548][  T870]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   48.566722][  T870]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   48.566861][  T870]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   48.567000][  T870]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   48.567137][  T870]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   48.567277][  T870]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   48.567420][  T870]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   48.567596][  T870] RIP: 0033:0x7f33234fc08e
[   48.567742][  T870] 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
[   48.568227][  T870] RSP: 002b:00007ffc8d735520 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   48.568439][  T870] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f33234fc08e
[   48.568646][  T870] RDX: 0000000000000000 RSI: 00007ffc8d7355d0 RDI: 0000000000000005
[   48.568849][  T870] RBP: 00007ffc8d735530 R08: 0000000000000000 R09: 0000000000000000
[   48.569056][  T870] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e809
[   48.569262][  T870] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc8d735c90
| [   49.744731][  T884] ------------[ cut here ]------------
| [   49.744914][  T884] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/884
| [   49.745151][  T884] Modules linked in: netdevsim
| [   49.745573][  T884] Tainted: [W]=WARN
[   49.745676][  T884] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   49.745842][  T884] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   49.746019][  T884] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   49.746487][  T884] RSP: 0018:ffa0000001617020 EFLAGS: 00010286
[   49.746657][  T884] RAX: 00000000ffffffa6 RBX: ff11000004b5f6c0 RCX: 1ff40000002c2dca
[   49.746852][  T884] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004b5f770
[   49.747050][  T884] RBP: ff11000008e6a000 R08: 1fe220000096beef R09: ff1100000cdc8b80
[   49.747245][  T884] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   49.747446][  T884] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   49.747647][  T884] FS:  00007fb5f57e0840(0000) GS:ff1100007b105000(0000) knlGS:0000000000000000
[   49.747879][  T884] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   49.748045][  T884] CR2: 00007fb5f5ab01a0 CR3: 00000000056e9002 CR4: 0000000000771ef0
[   49.748241][  T884] PKRU: 55555554
[   49.748340][  T884] Call Trace:
[   49.748445][  T884]  <TASK>
[   49.748513][  T884]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   49.748652][  T884]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   49.748753][  T884]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   49.748886][  T884]  __dev_notify_flags (net/core/dev.c:9787)
[   49.749019][  T884]  ? netif_change_name (net/core/dev.c:1495)
[   49.749150][  T884]  ? __dev_change_flags (net/core/dev.c:9752)
[   49.749281][  T884]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   49.749416][  T884]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   49.749556][  T884]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   49.749690][  T884]  netif_change_flags (net/core/dev.c:9820)
[   49.749822][  T884]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   49.749955][  T884]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   49.750086][  T884]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   49.750250][  T884]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   49.750381][  T884]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   49.750603][  T884]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   49.750735][  T884]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   49.750866][  T884]  ? __kernel_text_address (kernel/extable.c:79)
[   49.750997][  T884]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   49.751129][  T884]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   49.751260][  T884]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   49.751390][  T884]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   49.751603][  T884]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   49.751733][  T884]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   49.751863][  T884]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   49.751992][  T884]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   49.752122][  T884]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   49.752254][  T884]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   49.752384][  T884]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   49.752614][  T884]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   49.752822][  T884]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   49.752956][  T884]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   49.753087][  T884]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   49.753217][  T884]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   49.753348][  T884]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   49.753568][  T884]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   49.753699][  T884]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   49.753831][  T884]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   49.753961][  T884]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   49.754092][  T884]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   49.754223][  T884]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   49.754353][  T884]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   49.754551][  T884]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   49.754684][  T884]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   49.754816][  T884]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   49.754948][  T884]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   49.755081][  T884]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   49.755210][  T884]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   49.755342][  T884]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   49.755533][  T884]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   49.755664][  T884]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   49.755797][  T884]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   49.755927][  T884]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   49.756059][  T884]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   49.756191][  T884]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   49.756321][  T884]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   49.756506][  T884]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   49.756643][  T884]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   49.756773][  T884]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   49.756906][  T884]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   49.757037][  T884]  ? copy_msghdr_from_user (net/socket.c:2635)
[   49.757166][  T884]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   49.757327][  T884]  ? move_addr_to_kernel (net/socket.c:258)
[   49.757512][  T884]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   49.757646][  T884]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   49.757780][  T884]  ___sys_sendmsg (net/socket.c:2752)
[   49.757911][  T884]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   49.758074][  T884]  ? copy_msghdr_from_user (net/socket.c:2603)
[   49.758307][  T884]  __sys_sendmsg (net/socket.c:2784)
[   49.758459][  T884]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   49.758595][  T884]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   49.758760][  T884]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   49.758890][  T884]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   49.759108][  T884]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   49.759239][  T884]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   49.759369][  T884]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   49.759505][  T884]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   49.759758][  T884] RIP: 0033:0x7fb5f5a1a08e
[   49.759896][  T884] 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
[   49.760457][  T884] RSP: 002b:00007ffff48aebc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   49.760661][  T884] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fb5f5a1a08e
[   49.760945][  T884] RDX: 0000000000000000 RSI: 00007ffff48aec70 RDI: 0000000000000005
[   49.761139][  T884] RBP: 00007ffff48aebd0 R08: 0000000000000000 R09: 0000000000000000
[   49.761334][  T884] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e80b
[   49.761545][  T884] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffff48af330
| [   50.965009][  T901] ------------[ cut here ]------------
| [   50.965195][  T901] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/901
| [   50.965454][  T901] Modules linked in: netdevsim
| [   50.965885][  T901] Tainted: [W]=WARN
[   50.965989][  T901] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.966162][  T901] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.966340][  T901] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.966836][  T901] RSP: 0018:ffa0000001787020 EFLAGS: 00010286
[   50.967009][  T901] RAX: 00000000ffffffa6 RBX: ff11000008f0b840 RCX: 1ff40000002f0dca
[   50.967218][  T901] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008f0b8f0
[   50.967425][  T901] RBP: ff11000008e6a000 R08: 1fe22000011e171f R09: ff1100000be6ae80
[   50.967635][  T901] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   50.967841][  T901] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   50.968045][  T901] FS:  00007f18ead05840(0000) GS:ff1100007af85000(0000) knlGS:0000000000000000
[   50.968287][  T901] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.968462][  T901] CR2: 000000002e500988 CR3: 000000000cd1b003 CR4: 0000000000771ef0
[   50.968671][  T901] PKRU: 55555554
[   50.968773][  T901] Call Trace:
[   50.968878][  T901]  <TASK>
[   50.968950][  T901]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   50.969090][  T901]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   50.969193][  T901]  __dev_notify_flags (net/core/dev.c:9787)
[   50.969328][  T901]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[   50.969556][  T901]  ? netif_change_name (net/core/dev.c:1495)
[   50.969692][  T901]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   50.969828][  T901]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   50.969964][  T901]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   50.970101][  T901]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   50.970239][  T901]  netif_change_flags (net/core/dev.c:9820)
[   50.970375][  T901]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   50.970600][  T901]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   50.970738][  T901]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   50.970909][  T901]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   50.971044][  T901]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   50.971178][  T901]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   50.971313][  T901]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   50.971544][  T901]  ? __kernel_text_address (kernel/extable.c:79)
[   50.971769][  T901]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   50.971910][  T901]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.972045][  T901]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   50.972180][  T901]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.972316][  T901]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   50.972545][  T901]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.972889][  T901]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.973024][  T901]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   50.973161][  T901]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   50.973298][  T901]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   50.973502][  T901]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   50.973647][  T901]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   50.973786][  T901]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   50.973926][  T901]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   50.974062][  T901]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.974197][  T901]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   50.974333][  T901]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   50.974524][  T901]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   50.974669][  T901]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   50.974809][  T901]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.974943][  T901]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   50.975078][  T901]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   50.975212][  T901]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   50.975347][  T901]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   50.975546][  T901]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   50.975684][  T901]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   50.975820][  T901]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   50.975956][  T901]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   50.976095][  T901]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.976229][  T901]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   50.976366][  T901]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   50.976563][  T901]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   50.976701][  T901]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   50.976842][  T901]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   50.976978][  T901]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   50.977115][  T901]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.977251][  T901]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   50.977387][  T901]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   50.977547][  T901]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   50.977683][  T901]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   50.977821][  T901]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   50.977959][  T901]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   50.978096][  T901]  ? copy_msghdr_from_user (net/socket.c:2635)
[   50.978232][  T901]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   50.978399][  T901]  ? move_addr_to_kernel (net/socket.c:258)
[   50.978549][  T901]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   50.978684][  T901]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   50.978823][  T901]  ___sys_sendmsg (net/socket.c:2752)
[   50.978958][  T901]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   50.979126][  T901]  ? copy_msghdr_from_user (net/socket.c:2603)
[   50.979274][  T901]  __sys_sendmsg (net/socket.c:2784)
[   50.979415][  T901]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   50.979555][  T901]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   50.979728][  T901]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   50.979865][  T901]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.980002][  T901]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.980137][  T901]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   50.980275][  T901]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   50.980417][  T901]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.980677][  T901] RIP: 0033:0x7f18eaf3f08e
[   50.980822][  T901] 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
[   50.981310][  T901] RSP: 002b:00007ffddcbdcea0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.981521][  T901] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f18eaf3f08e
[   50.981730][  T901] RDX: 0000000000000000 RSI: 00007ffddcbdcf50 RDI: 0000000000000005
[   50.981934][  T901] RBP: 00007ffddcbdceb0 R08: 0000000000000000 R09: 0000000000000000
[   50.982138][  T901] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e80c
[   50.982339][  T901] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffddcbdd610
| [   52.173750][  T915] ------------[ cut here ]------------
| [   52.173939][  T915] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/915
| [   52.174188][  T915] Modules linked in: netdevsim
| [   52.174622][  T915] Tainted: [W]=WARN
[   52.174729][  T915] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   52.174904][  T915] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   52.175081][  T915] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   52.175574][  T915] RSP: 0018:ffa00000017c7020 EFLAGS: 00010286
[   52.175749][  T915] RAX: 00000000ffffffa6 RBX: ff1100000b2e64c0 RCX: 1ff40000002f8dca
[   52.175951][  T915] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b2e6570
[   52.176153][  T915] RBP: ff11000008e6a000 R08: 1fe220000165ccaf R09: ff1100000cc80b80
[   52.176355][  T915] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   52.176569][  T915] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   52.176773][  T915] FS:  00007f0490289840(0000) GS:ff1100007b105000(0000) knlGS:0000000000000000
[   52.177014][  T915] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   52.177185][  T915] CR2: 0000000020e52988 CR3: 000000000e5c0001 CR4: 0000000000771ef0
[   52.177391][  T915] PKRU: 55555554
[   52.177498][  T915] Call Trace:
[   52.177606][  T915]  <TASK>
[   52.177677][  T915]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   52.177817][  T915]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   52.177921][  T915]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   52.178058][  T915]  __dev_notify_flags (net/core/dev.c:9787)
[   52.178195][  T915]  ? netif_change_name (net/core/dev.c:1495)
[   52.178330][  T915]  ? __dev_change_flags (net/core/dev.c:9752)
[   52.178472][  T915]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   52.178611][  T915]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.178746][  T915]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   52.178883][  T915]  netif_change_flags (net/core/dev.c:9820)
[   52.179022][  T915]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   52.179160][  T915]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   52.179296][  T915]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   52.179535][  T915]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   52.179730][  T915]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   52.179866][  T915]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   52.180000][  T915]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   52.180137][  T915]  ? __kernel_text_address (kernel/extable.c:79)
[   52.180274][  T915]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.180491][  T915]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.180633][  T915]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   52.180770][  T915]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.180904][  T915]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   52.181041][  T915]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.181177][  T915]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.181311][  T915]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   52.181523][  T915]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   52.181665][  T915]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   52.181799][  T915]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   52.181934][  T915]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   52.182070][  T915]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   52.182208][  T915]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   52.182343][  T915]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.182558][  T915]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.182694][  T915]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   52.182831][  T915]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   52.182966][  T915]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.183104][  T915]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.183238][  T915]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.183373][  T915]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   52.183599][  T915]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.183739][  T915]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   52.183875][  T915]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   52.184011][  T915]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   52.184146][  T915]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.184281][  T915]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.184505][  T915]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.184646][  T915]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.184782][  T915]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   52.184916][  T915]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.185052][  T915]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   52.185191][  T915]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   52.185327][  T915]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   52.185525][  T915]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   52.185666][  T915]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   52.185802][  T915]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.185938][  T915]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   52.186074][  T915]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   52.186210][  T915]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   52.186346][  T915]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   52.186486][  T915]  ? copy_msghdr_from_user (net/socket.c:2635)
[   52.186625][  T915]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   52.186793][  T915]  ? move_addr_to_kernel (net/socket.c:258)
[   52.186928][  T915]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   52.187062][  T915]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   52.187200][  T915]  ___sys_sendmsg (net/socket.c:2752)
[   52.187334][  T915]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   52.187508][  T915]  ? copy_msghdr_from_user (net/socket.c:2603)
[   52.187660][  T915]  __sys_sendmsg (net/socket.c:2784)
[   52.187795][  T915]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   52.187928][  T915]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   52.188099][  T915]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   52.188236][  T915]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.188371][  T915]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   52.188512][  T915]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   52.188651][  T915]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   52.188787][  T915]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   52.188955][  T915] RIP: 0033:0x7f04904c308e
[   52.189097][  T915] 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
[   52.189589][  T915] RSP: 002b:00007ffcf795c3f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   52.189794][  T915] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f04904c308e
[   52.189997][  T915] RDX: 0000000000000000 RSI: 00007ffcf795c4a0 RDI: 0000000000000005
[   52.190291][  T915] RBP: 00007ffcf795c400 R08: 0000000000000000 R09: 0000000000000000
[   52.190498][  T915] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e80d
[   52.190794][  T915] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcf795cb60
| [   55.730667][  T956] ------------[ cut here ]------------
| [   55.730853][  T956] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/956
| [   55.731101][  T956] Modules linked in: netdevsim
| [   55.731541][  T956] Tainted: [W]=WARN
[   55.731649][  T956] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.731822][  T956] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.732000][  T956] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.732491][  T956] RSP: 0018:ffa0000001867020 EFLAGS: 00010286
[   55.732674][  T956] RAX: 00000000ffffffa6 RBX: ff1100000b2e8f40 RCX: 1ff400000030cdca
[   55.732882][  T956] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b2e8ff0
[   55.733088][  T956] RBP: ff11000008e6a000 R08: 1fe220000165d1ff R09: ff1100000be6ae80
[   55.733289][  T956] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   55.733554][  T956] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   55.733763][  T956] FS:  00007f7e485db840(0000) GS:ff1100007af85000(0000) knlGS:0000000000000000
[   55.733999][  T956] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.734171][  T956] CR2: 0000000010ba3988 CR3: 000000000e4b3001 CR4: 0000000000771ef0
[   55.734375][  T956] PKRU: 55555554
[   55.734544][  T956] Call Trace:
[   55.734740][  T956]  <TASK>
[   55.734813][  T956]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   55.734954][  T956]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   55.735058][  T956]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   55.735195][  T956]  __dev_notify_flags (net/core/dev.c:9787)
[   55.735333][  T956]  ? netif_change_name (net/core/dev.c:1495)
[   55.735543][  T956]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   55.735684][  T956]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   55.735819][  T956]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.735957][  T956]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   55.736097][  T956]  netif_change_flags (net/core/dev.c:9820)
[   55.736236][  T956]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   55.736377][  T956]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   55.736595][  T956]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   55.736765][  T956]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   55.736901][  T956]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   55.737035][  T956]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   55.737174][  T956]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   55.737312][  T956]  ? __kernel_text_address (kernel/extable.c:79)
[   55.737527][  T956]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   55.737669][  T956]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.737808][  T956]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   55.737943][  T956]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.738078][  T956]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.738217][  T956]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.738353][  T956]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.738573][  T956]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   55.738714][  T956]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   55.738850][  T956]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   55.738985][  T956]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   55.739121][  T956]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   55.739261][  T956]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   55.739400][  T956]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   55.739630][  T956]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.739766][  T956]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   55.739902][  T956]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   55.740037][  T956]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   55.740174][  T956]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.740313][  T956]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.740536][  T956]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   55.740678][  T956]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   55.740813][  T956]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.740951][  T956]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   55.741088][  T956]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   55.741224][  T956]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   55.741359][  T956]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   55.741532][  T956]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   55.741677][  T956]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.741813][  T956]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   55.741950][  T956]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   55.742086][  T956]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   55.742226][  T956]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   55.742364][  T956]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   55.742507][  T956]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   55.742652][  T956]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   55.742788][  T956]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   55.742925][  T956]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   55.743062][  T956]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   55.743198][  T956]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   55.743335][  T956]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   55.743479][  T956]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   55.743619][  T956]  ? copy_msghdr_from_user (net/socket.c:2635)
[   55.743753][  T956]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   55.743922][  T956]  ? move_addr_to_kernel (net/socket.c:258)
[   55.744060][  T956]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   55.744193][  T956]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   55.744330][  T956]  ___sys_sendmsg (net/socket.c:2752)
[   55.744471][  T956]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   55.744645][  T956]  ? copy_msghdr_from_user (net/socket.c:2603)
[   55.744793][  T956]  __sys_sendmsg (net/socket.c:2784)
[   55.744930][  T956]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   55.745065][  T956]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   55.745236][  T956]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   55.745371][  T956]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.745513][  T956]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   55.745654][  T956]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   55.745791][  T956]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   55.745926][  T956]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   55.746093][  T956] RIP: 0033:0x7f7e4881508e
[   55.746264][  T956] 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
[   55.746754][  T956] RSP: 002b:00007fff785f7d80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   55.746958][  T956] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f7e4881508e
[   55.747162][  T956] RDX: 0000000000000000 RSI: 00007fff785f7e30 RDI: 0000000000000005
[   55.747366][  T956] RBP: 00007fff785f7d90 R08: 0000000000000000 R09: 0000000000000000
[   55.747577][  T956] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e811
[   55.747781][  T956] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff785f84f0
| [   56.928354][  T970] ------------[ cut here ]------------
| [   56.928913][  T970] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/970
| [   56.929167][  T970] Modules linked in: netdevsim
| [   56.929608][  T970] Tainted: [W]=WARN
[   56.929714][  T970] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   56.929885][  T970] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   56.930064][  T970] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   56.930562][  T970] RSP: 0018:ffa00000018c7020 EFLAGS: 00010286
[   56.930737][  T970] RAX: 00000000ffffffa6 RBX: ff1100000e46cac0 RCX: 1ff4000000318dca
[   56.930943][  T970] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000e46cb70
[   56.931148][  T970] RBP: ff11000008e6a000 R08: 1fe2200001c8d96f R09: ff1100000c7e5180
[   56.931351][  T970] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   56.931565][  T970] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   56.931771][  T970] FS:  00007f60c23c6840(0000) GS:ff1100007af85000(0000) knlGS:0000000000000000
[   56.932013][  T970] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   56.932186][  T970] CR2: 00000000374ff988 CR3: 000000000cd7e001 CR4: 0000000000771ef0
[   56.932393][  T970] PKRU: 55555554
[   56.932503][  T970] Call Trace:
[   56.932613][  T970]  <TASK>
[   56.932686][  T970]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[   56.932827][  T970]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   56.932964][  T970]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   56.933070][  T970]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   56.933208][  T970]  __dev_notify_flags (net/core/dev.c:9787)
[   56.933350][  T970]  ? netif_change_name (net/core/dev.c:1495)
[   56.933491][  T970]  ? __dev_change_flags (net/core/dev.c:9752)
[   56.933633][  T970]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   56.933769][  T970]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   56.933907][  T970]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   56.934048][  T970]  netif_change_flags (net/core/dev.c:9820)
[   56.934186][  T970]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   56.934326][  T970]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   56.934469][  T970]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   56.934646][  T970]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   56.934784][  T970]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   56.934921][  T970]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   56.935057][  T970]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   56.935196][  T970]  ? __kernel_text_address (kernel/extable.c:79)
[   56.935333][  T970]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   56.935479][  T970]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   56.935622][  T970]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   56.935759][  T970]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   56.935897][  T970]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   56.936033][  T970]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   56.936170][  T970]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   56.936307][  T970]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   56.936450][  T970]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   56.936610][  T970]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   56.936747][  T970]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   56.936885][  T970]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   56.937023][  T970]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   56.937163][  T970]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   56.937300][  T970]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   56.937444][  T970]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   56.937585][  T970]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   56.937721][  T970]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   56.937858][  T970]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   56.937997][  T970]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   56.938132][  T970]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   56.938270][  T970]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   56.938450][  T970]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   56.938595][  T970]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   56.938728][  T970]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   56.938862][  T970]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   56.939003][  T970]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   56.939139][  T970]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   56.939278][  T970]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   56.939419][  T970]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   56.939565][  T970]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   56.939703][  T970]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   56.939842][  T970]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   56.939981][  T970]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   56.940118][  T970]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   56.940255][  T970]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   56.940394][  T970]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   56.940537][  T970]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   56.940680][  T970]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   56.940818][  T970]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   56.940955][  T970]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   56.941095][  T970]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   56.941232][  T970]  ? copy_msghdr_from_user (net/socket.c:2635)
[   56.941369][  T970]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   56.941543][  T970]  ? move_addr_to_kernel (net/socket.c:258)
[   56.941688][  T970]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   56.941824][  T970]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   56.941961][  T970]  ___sys_sendmsg (net/socket.c:2752)
[   56.942096][  T970]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   56.942266][  T970]  ? copy_msghdr_from_user (net/socket.c:2603)
[   56.942420][  T970]  __sys_sendmsg (net/socket.c:2784)
[   56.942562][  T970]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   56.942699][  T970]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   56.942872][  T970]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   56.943008][  T970]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   56.943146][  T970]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   56.943283][  T970]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   56.943423][  T970]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   56.943563][  T970]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   56.943735][  T970] RIP: 0033:0x7f60c260008e
[   56.943880][  T970] 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
[   56.944363][  T970] RSP: 002b:00007ffd032c1bc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   56.944582][  T970] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f60c260008e
[   56.944788][  T970] RDX: 0000000000000000 RSI: 00007ffd032c1c70 RDI: 0000000000000005
[   56.944993][  T970] RBP: 00007ffd032c1bd0 R08: 0000000000000000 R09: 0000000000000000
[   56.945198][  T970] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e812
[   56.945402][  T970] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd032c2330
| [   60.522755][ T1011] ------------[ cut here ]------------
| [   60.522942][ T1011] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1011
| [   60.523226][ T1011] Modules linked in: netdevsim
| [   60.523671][ T1011] Tainted: [W]=WARN
[   60.523775][ T1011] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   60.523948][ T1011] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   60.524127][ T1011] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   60.524627][ T1011] RSP: 0018:ffa0000001957020 EFLAGS: 00010286
[   60.524801][ T1011] RAX: 00000000ffffffa6 RBX: ff1100000d418ac0 RCX: 1ff400000032adca
[   60.525007][ T1011] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d418b70
[   60.525217][ T1011] RBP: ff11000008e6a000 R08: 1fe2200001a8316f R09: ff1100000212d180
[   60.525424][ T1011] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   60.525633][ T1011] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   60.525840][ T1011] FS:  00007f93ab12a840(0000) GS:ff1100007af85000(0000) knlGS:0000000000000000
[   60.526084][ T1011] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   60.526261][ T1011] CR2: 00007f52dc7fa2a0 CR3: 000000000e499004 CR4: 0000000000771ef0
[   60.526477][ T1011] PKRU: 55555554
[   60.526587][ T1011] Call Trace:
[   60.526692][ T1011]  <TASK>
[   60.526763][ T1011]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   60.526904][ T1011]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   60.527008][ T1011]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   60.527146][ T1011]  __dev_notify_flags (net/core/dev.c:9787)
[   60.527290][ T1011]  ? netif_change_name (net/core/dev.c:1495)
[   60.527435][ T1011]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   60.527577][ T1011]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   60.527712][ T1011]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   60.527854][ T1011]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   60.527995][ T1011]  netif_change_flags (net/core/dev.c:9820)
[   60.528132][ T1011]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   60.528274][ T1011]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   60.528419][ T1011]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   60.528593][ T1011]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   60.528732][ T1011]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   60.528870][ T1011]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   60.529006][ T1011]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   60.529144][ T1011]  ? __kernel_text_address (kernel/extable.c:79)
[   60.529281][ T1011]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   60.529424][ T1011]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   60.529559][ T1011]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   60.529702][ T1011]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   60.529840][ T1011]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   60.529976][ T1011]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   60.530112][ T1011]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   60.530249][ T1011]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   60.530386][ T1011]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   60.530528][ T1011]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   60.530671][ T1011]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   60.530813][ T1011]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   60.530951][ T1011]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   60.531088][ T1011]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   60.531228][ T1011]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   60.531364][ T1011]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   60.531508][ T1011]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   60.531648][ T1011]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   60.531785][ T1011]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   60.531927][ T1011]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   60.532065][ T1011]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   60.532207][ T1011]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   60.532346][ T1011]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   60.532490][ T1011]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   60.532634][ T1011]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   60.532771][ T1011]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   60.532909][ T1011]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   60.533044][ T1011]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   60.533183][ T1011]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   60.533321][ T1011]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   60.533463][ T1011]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   60.533603][ T1011]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   60.533742][ T1011]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   60.533882][ T1011]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   60.534017][ T1011]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   60.534155][ T1011]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   60.534291][ T1011]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   60.534433][ T1011]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   60.534573][ T1011]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   60.534713][ T1011]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   60.534851][ T1011]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   60.534992][ T1011]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   60.535129][ T1011]  ? copy_msghdr_from_user (net/socket.c:2635)
[   60.535264][ T1011]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   60.535437][ T1011]  ? move_addr_to_kernel (net/socket.c:258)
[   60.535578][ T1011]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   60.535715][ T1011]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   60.535852][ T1011]  ___sys_sendmsg (net/socket.c:2752)
[   60.535987][ T1011]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   60.536156][ T1011]  ? copy_msghdr_from_user (net/socket.c:2603)
[   60.536305][ T1011]  __sys_sendmsg (net/socket.c:2784)
[   60.536448][ T1011]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   60.536587][ T1011]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   60.536759][ T1011]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   60.536897][ T1011]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   60.537036][ T1011]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   60.537173][ T1011]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   60.537310][ T1011]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   60.537455][ T1011]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   60.537631][ T1011] RIP: 0033:0x7f93ab36408e
[   60.537775][ T1011] 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
[   60.538256][ T1011] RSP: 002b:00007fff635d0da0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   60.538471][ T1011] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f93ab36408e
[   60.538678][ T1011] RDX: 0000000000000000 RSI: 00007fff635d0e50 RDI: 0000000000000005
[   60.538882][ T1011] RBP: 00007fff635d0db0 R08: 0000000000000000 R09: 0000000000000000
[   60.539097][ T1011] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e815
[   60.539299][ T1011] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff635d1510
| [   61.750195][ T1025] ------------[ cut here ]------------
| [   61.750453][ T1025] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1025
| [   61.750882][ T1025] Modules linked in: netdevsim
| [   61.751524][ T1025] Tainted: [W]=WARN
[   61.751686][ T1025] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.751947][ T1025] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.752218][ T1025] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   61.753058][ T1025] RSP: 0018:ffa00000019b7020 EFLAGS: 00010286
[   61.753322][ T1025] RAX: 00000000ffffffa6 RBX: ff1100000b012040 RCX: 1ff4000000336dca
[   61.753640][ T1025] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b0120f0
[   61.753948][ T1025] RBP: ff11000008e6a000 R08: 1fe220000160241f R09: ff1100000cdcae80
[   61.754257][ T1025] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   61.754582][ T1025] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   61.754917][ T1025] FS:  00007efda4fb7840(0000) GS:ff1100007b105000(0000) knlGS:0000000000000000
[   61.755283][ T1025] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.755551][ T1025] CR2: 000000001ab17988 CR3: 000000000f7da002 CR4: 0000000000771ef0
[   61.755871][ T1025] PKRU: 55555554
[   61.756026][ T1025] Call Trace:
[   61.756181][ T1025]  <TASK>
[   61.756290][ T1025]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   61.756508][ T1025]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   61.756669][ T1025]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   61.756875][ T1025]  __dev_notify_flags (net/core/dev.c:9787)
[   61.757085][ T1025]  ? netif_change_name (net/core/dev.c:1495)
[   61.757288][ T1025]  ? __dev_change_flags (net/core/dev.c:9752)
[   61.757505][ T1025]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   61.757714][ T1025]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.757923][ T1025]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   61.758133][ T1025]  netif_change_flags (net/core/dev.c:9820)
[   61.758343][ T1025]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   61.758562][ T1025]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   61.758775][ T1025]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   61.759033][ T1025]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   61.759240][ T1025]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   61.759451][ T1025]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   61.759661][ T1025]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   61.759865][ T1025]  ? __kernel_text_address (kernel/extable.c:79)
[   61.760073][ T1025]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   61.760286][ T1025]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.760501][ T1025]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   61.760711][ T1025]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.760916][ T1025]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.761119][ T1025]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.761322][ T1025]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.761682][ T1025]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   61.761892][ T1025]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   61.762101][ T1025]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   61.762306][ T1025]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   61.762630][ T1025]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   61.762842][ T1025]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   61.763054][ T1025]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   61.763265][ T1025]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.763581][ T1025]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   61.763899][ T1025]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   61.764107][ T1025]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   61.764313][ T1025]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.764682][ T1025]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.764889][ T1025]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   61.765094][ T1025]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   61.765299][ T1025]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.765534][ T1025]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   61.765747][ T1025]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   61.765953][ T1025]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   61.766159][ T1025]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   61.766363][ T1025]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   61.766586][ T1025]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.766792][ T1025]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   61.766999][ T1025]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   61.767201][ T1025]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   61.767404][ T1025]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   61.767627][ T1025]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   61.767829][ T1025]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   61.768035][ T1025]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   61.768239][ T1025]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   61.768450][ T1025]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   61.768662][ T1025]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   61.768868][ T1025]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   61.769070][ T1025]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   61.769275][ T1025]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   61.769481][ T1025]  ? copy_msghdr_from_user (net/socket.c:2635)
[   61.769683][ T1025]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   61.769923][ T1025]  ? move_addr_to_kernel (net/socket.c:258)
[   61.770124][ T1025]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   61.770317][ T1025]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   61.770526][ T1025]  ___sys_sendmsg (net/socket.c:2752)
[   61.770724][ T1025]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   61.770971][ T1025]  ? copy_msghdr_from_user (net/socket.c:2603)
[   61.771195][ T1025]  __sys_sendmsg (net/socket.c:2784)
[   61.771397][ T1025]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   61.771605][ T1025]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   61.771863][ T1025]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   61.772063][ T1025]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[   61.772259][ T1025]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.772466][ T1025]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   61.772664][ T1025]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   61.772861][ T1025]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   61.773059][ T1025]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   61.773302][ T1025] RIP: 0033:0x7efda51f108e
[   61.773521][ T1025] 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
[   61.774233][ T1025] RSP: 002b:00007ffcfffa7700 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   61.774543][ T1025] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efda51f108e
[   61.774852][ T1025] RDX: 0000000000000000 RSI: 00007ffcfffa77b0 RDI: 0000000000000005
[   61.775146][ T1025] RBP: 00007ffcfffa7710 R08: 0000000000000000 R09: 0000000000000000
[   61.775446][ T1025] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e817
[   61.775744][ T1025] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcfffa7e70
| [   65.324048][ T1066] ------------[ cut here ]------------
| [   65.324244][ T1066] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1066
| [   65.324523][ T1066] Modules linked in: netdevsim
| [   65.324973][ T1066] Tainted: [W]=WARN
[   65.325074][ T1066] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   65.325253][ T1066] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   65.325437][ T1066] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   65.325912][ T1066] RSP: 0018:ffa00000019e7020 EFLAGS: 00010286
[   65.326082][ T1066] RAX: 00000000ffffffa6 RBX: ff1100000b2e6940 RCX: 1ff400000033cdca
[   65.326314][ T1066] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b2e69f0
[   65.326518][ T1066] RBP: ff11000008e6a000 R08: 1fe220000165cd3f R09: ff1100000befd180
[   65.326727][ T1066] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   65.326927][ T1066] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   65.327129][ T1066] FS:  00007f0acf191840(0000) GS:ff1100007b105000(0000) knlGS:0000000000000000
[   65.327421][ T1066] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   65.327596][ T1066] CR2: 00007f0acf4611a0 CR3: 000000000e53c005 CR4: 0000000000771ef0
[   65.327798][ T1066] PKRU: 55555554
[   65.327901][ T1066] Call Trace:
[   65.328000][ T1066]  <TASK>
[   65.328089][ T1066]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   65.328230][ T1066]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   65.328333][ T1066]  __dev_notify_flags (net/core/dev.c:9787)
[   65.328472][ T1066]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[   65.328612][ T1066]  ? netif_change_name (net/core/dev.c:1495)
[   65.328745][ T1066]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   65.328885][ T1066]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   65.329040][ T1066]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   65.329180][ T1066]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   65.329314][ T1066]  netif_change_flags (net/core/dev.c:9820)
[   65.330093][ T1066]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   65.330259][ T1066]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   65.330396][ T1066]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   65.330566][ T1066]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   65.330702][ T1066]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   65.330842][ T1066]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   65.330977][ T1066]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   65.331108][ T1066]  ? __kernel_text_address (kernel/extable.c:79)
[   65.331244][ T1066]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   65.331379][ T1066]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   65.331517][ T1066]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   65.331659][ T1066]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   65.331791][ T1066]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   65.331923][ T1066]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   65.332053][ T1066]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   65.332183][ T1066]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   65.332318][ T1066]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   65.332454][ T1066]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   65.332588][ T1066]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   65.332725][ T1066]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   65.332861][ T1066]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   65.333002][ T1066]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   65.333135][ T1066]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   65.333266][ T1066]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   65.333397][ T1066]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   65.333534][ T1066]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   65.333673][ T1066]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   65.333812][ T1066]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   65.333945][ T1066]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   65.334077][ T1066]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   65.334209][ T1066]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   65.334341][ T1066]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   65.334479][ T1066]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   65.334620][ T1066]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   65.334757][ T1066]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   65.334887][ T1066]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   65.335020][ T1066]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   65.335152][ T1066]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   65.335285][ T1066]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   65.335422][ T1066]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   65.335560][ T1066]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   65.335703][ T1066]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   65.335834][ T1066]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   65.335969][ T1066]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   65.336100][ T1066]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   65.336232][ T1066]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   65.336364][ T1066]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   65.336513][ T1066]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   65.336651][ T1066]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   65.336791][ T1066]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   65.336952][ T1066]  ? copy_msghdr_from_user (net/socket.c:2635)
[   65.337086][ T1066]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   65.337247][ T1066]  ? move_addr_to_kernel (net/socket.c:258)
[   65.337378][ T1066]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   65.337518][ T1066]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   65.337662][ T1066]  ___sys_sendmsg (net/socket.c:2752)
[   65.337812][ T1066]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   65.337981][ T1066]  ? copy_msghdr_from_user (net/socket.c:2603)
[   65.338126][ T1066]  __sys_sendmsg (net/socket.c:2784)
[   65.338257][ T1066]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   65.338392][ T1066]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   65.338569][ T1066]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   65.338704][ T1066]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   65.338835][ T1066]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   65.338968][ T1066]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   65.339101][ T1066]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   65.339237][ T1066]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   65.339401][ T1066] RIP: 0033:0x7f0acf3cb08e
[   65.339545][ T1066] 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
[   65.340011][ T1066] RSP: 002b:00007fffd0977ae0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   65.340211][ T1066] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f0acf3cb08e
[   65.340417][ T1066] RDX: 0000000000000000 RSI: 00007fffd0977b90 RDI: 0000000000000005
[   65.340625][ T1066] RBP: 00007fffd0977af0 R08: 0000000000000000 R09: 0000000000000000
[   65.340867][ T1066] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e81a
[   65.341064][ T1066] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffd0978250
| [   66.508459][ T1080] ------------[ cut here ]------------
| [   66.508684][ T1080] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1080
| [   66.509009][ T1080] Modules linked in: netdevsim
| [   66.509523][ T1080] Tainted: [W]=WARN
[   66.509680][ T1080] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   66.509893][ T1080] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   66.510112][ T1080] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   66.510639][ T1080] RSP: 0018:ffa0000001ac7020 EFLAGS: 00010286
[   66.510858][ T1080] RAX: 00000000ffffffa6 RBX: ff1100000b2d5840 RCX: 1ff4000000358dca
[   66.511100][ T1080] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b2d58f0
[   66.511339][ T1080] RBP: ff11000008e6a000 R08: 1fe220000165ab1f R09: ff1100000cd32e80
[   66.511598][ T1080] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   66.511843][ T1080] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   66.512087][ T1080] FS:  00007ff455444840(0000) GS:ff1100007b085000(0000) knlGS:0000000000000000
[   66.512364][ T1080] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   66.512596][ T1080] CR2: 000000002db3c988 CR3: 000000000c273001 CR4: 0000000000771ef0
[   66.512842][ T1080] PKRU: 55555554
[   66.512987][ T1080] Call Trace:
[   66.513132][ T1080]  <TASK>
[   66.513247][ T1080]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   66.513440][ T1080]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   66.513594][ T1080]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   66.513773][ T1080]  __dev_notify_flags (net/core/dev.c:9787)
[   66.513954][ T1080]  ? netif_change_name (net/core/dev.c:1495)
[   66.514131][ T1080]  ? __dev_change_flags (net/core/dev.c:9752)
[   66.514312][ T1080]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   66.514502][ T1080]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   66.514690][ T1080]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   66.514873][ T1080]  netif_change_flags (net/core/dev.c:9820)
[   66.515053][ T1080]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   66.515232][ T1080]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   66.515427][ T1080]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   66.515647][ T1080]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   66.515828][ T1080]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   66.516008][ T1080]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   66.516184][ T1080]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   66.516362][ T1080]  ? __kernel_text_address (kernel/extable.c:79)
[   66.516555][ T1080]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   66.516747][ T1080]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   66.516923][ T1080]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   66.517102][ T1080]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   66.517282][ T1080]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   66.517471][ T1080]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   66.517657][ T1080]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   66.517838][ T1080]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   66.518017][ T1080]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   66.518196][ T1080]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   66.518373][ T1080]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   66.518563][ T1080]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   66.518752][ T1080]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   66.518934][ T1080]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   66.519115][ T1080]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   66.519292][ T1080]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   66.519482][ T1080]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   66.519666][ T1080]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   66.519843][ T1080]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   66.520024][ T1080]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   66.520201][ T1080]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   66.520380][ T1080]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   66.520572][ T1080]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   66.520760][ T1080]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   66.520941][ T1080]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   66.521120][ T1080]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   66.521299][ T1080]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   66.521490][ T1080]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   66.521678][ T1080]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   66.521858][ T1080]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   66.522039][ T1080]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   66.522216][ T1080]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   66.522400][ T1080]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   66.522600][ T1080]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   66.522779][ T1080]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   66.522959][ T1080]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   66.523139][ T1080]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   66.523316][ T1080]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   66.523510][ T1080]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   66.523701][ T1080]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   66.523881][ T1080]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   66.524062][ T1080]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   66.524243][ T1080]  ? copy_msghdr_from_user (net/socket.c:2635)
[   66.524436][ T1080]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   66.524652][ T1080]  ? move_addr_to_kernel (net/socket.c:258)
[   66.524832][ T1080]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   66.525014][ T1080]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   66.525196][ T1080]  ___sys_sendmsg (net/socket.c:2752)
[   66.525374][ T1080]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   66.525599][ T1080]  ? copy_msghdr_from_user (net/socket.c:2603)
[   66.525791][ T1080]  __sys_sendmsg (net/socket.c:2784)
[   66.525969][ T1080]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   66.526146][ T1080]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   66.526358][ T1080]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   66.526553][ T1080]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   66.526740][ T1080]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   66.526918][ T1080]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   66.527096][ T1080]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   66.527276][ T1080]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   66.527500][ T1080] RIP: 0033:0x7ff45567e08e
[   66.527692][ T1080] 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
[   66.528203][ T1080] RSP: 002b:00007ffd64edfd80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   66.528460][ T1080] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff45567e08e
[   66.528711][ T1080] RDX: 0000000000000000 RSI: 00007ffd64edfe30 RDI: 0000000000000005
[   66.528956][ T1080] RBP: 00007ffd64edfd90 R08: 0000000000000000 R09: 0000000000000000
[   66.529197][ T1080] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e81b
[   66.529543][ T1080] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd64ee04f0
| [   67.749815][ T1097] ------------[ cut here ]------------
| [   67.750001][ T1097] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1097
| [   67.750286][ T1097] Modules linked in: netdevsim
| [   67.750727][ T1097] Tainted: [W]=WARN
[   67.750833][ T1097] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   67.751006][ T1097] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   67.751189][ T1097] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   67.751700][ T1097] RSP: 0018:ffa0000001ad7020 EFLAGS: 00010286
[   67.751880][ T1097] RAX: 00000000ffffffa6 RBX: ff1100000545b6c0 RCX: 1ff400000035adca
[   67.752085][ T1097] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000545b770
[   67.752289][ T1097] RBP: ff11000008e6a000 R08: 1fe2200000a8b6ef R09: ff1100000278ae80
[   67.752501][ T1097] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   67.752711][ T1097] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   67.752916][ T1097] FS:  00007f3d5995a840(0000) GS:ff1100007af85000(0000) knlGS:0000000000000000
[   67.753155][ T1097] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   67.753328][ T1097] CR2: 000000001b80e988 CR3: 000000000c70f002 CR4: 0000000000771ef0
[   67.753540][ T1097] PKRU: 55555554
[   67.753650][ T1097] Call Trace:
[   67.753753][ T1097]  <TASK>
[   67.753826][ T1097]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   67.753964][ T1097]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   67.754068][ T1097]  __dev_notify_flags (net/core/dev.c:9787)
[   67.754207][ T1097]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[   67.754348][ T1097]  ? netif_change_name (net/core/dev.c:1495)
[   67.754489][ T1097]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   67.754631][ T1097]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   67.754766][ T1097]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   67.754904][ T1097]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   67.755043][ T1097]  netif_change_flags (net/core/dev.c:9820)
[   67.755181][ T1097]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   67.755323][ T1097]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   67.755532][ T1097]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   67.755710][ T1097]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   67.755849][ T1097]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   67.755986][ T1097]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   67.756122][ T1097]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   67.756260][ T1097]  ? __kernel_text_address (kernel/extable.c:79)
[   67.756402][ T1097]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   67.756649][ T1097]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   67.756785][ T1097]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   67.756922][ T1097]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   67.757058][ T1097]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   67.757193][ T1097]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   67.757329][ T1097]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   67.757544][ T1097]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   67.757688][ T1097]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   67.757825][ T1097]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   67.757962][ T1097]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   67.758100][ T1097]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   67.758238][ T1097]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   67.758377][ T1097]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   67.758600][ T1097]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   67.758738][ T1097]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   67.758875][ T1097]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   67.759008][ T1097]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   67.759143][ T1097]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   67.759282][ T1097]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   67.759465][ T1097]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   67.759605][ T1097]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   67.759741][ T1097]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   67.759881][ T1097]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   67.760016][ T1097]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   67.760152][ T1097]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   67.760289][ T1097]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   67.760429][ T1097]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   67.760567][ T1097]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   67.760707][ T1097]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   67.760845][ T1097]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   67.760981][ T1097]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   67.761118][ T1097]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   67.761256][ T1097]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   67.761392][ T1097]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   67.761540][ T1097]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   67.761682][ T1097]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   67.761819][ T1097]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   67.761958][ T1097]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   67.762093][ T1097]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   67.762229][ T1097]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   67.762367][ T1097]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   67.762510][ T1097]  ? copy_msghdr_from_user (net/socket.c:2635)
[   67.762651][ T1097]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   67.762820][ T1097]  ? move_addr_to_kernel (net/socket.c:258)
[   67.762957][ T1097]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   67.763092][ T1097]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   67.763230][ T1097]  ___sys_sendmsg (net/socket.c:2752)
[   67.763364][ T1097]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   67.763539][ T1097]  ? copy_msghdr_from_user (net/socket.c:2603)
[   67.763692][ T1097]  __sys_sendmsg (net/socket.c:2784)
[   67.763830][ T1097]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   67.763967][ T1097]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   67.764138][ T1097]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   67.764272][ T1097]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   67.764414][ T1097]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   67.764551][ T1097]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   67.764692][ T1097]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   67.764830][ T1097]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   67.764999][ T1097] RIP: 0033:0x7f3d59b9408e
[   67.765142][ T1097] 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
[   67.765629][ T1097] RSP: 002b:00007fff776ff790 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   67.765837][ T1097] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3d59b9408e
[   67.766041][ T1097] RDX: 0000000000000000 RSI: 00007fff776ff840 RDI: 0000000000000005
[   67.766244][ T1097] RBP: 00007fff776ff7a0 R08: 0000000000000000 R09: 0000000000000000
[   67.766454][ T1097] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e81d
[   67.766664][ T1097] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff776fff00
| [   68.941769][ T1111] ------------[ cut here ]------------
| [   68.941956][ T1111] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1111
| [   68.942239][ T1111] Modules linked in: netdevsim
| [   68.942736][ T1111] Tainted: [W]=WARN
[   68.942844][ T1111] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.943018][ T1111] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   68.943199][ T1111] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   68.943744][ T1111] RSP: 0018:ffa0000001b47020 EFLAGS: 00010286
[   68.943918][ T1111] RAX: 00000000ffffffa6 RBX: ff11000004a9eac0 RCX: 1ff4000000368dca
[   68.944122][ T1111] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004a9eb70
[   68.944324][ T1111] RBP: ff11000008e6a000 R08: 1fe2200000953d6f R09: ff1100000befae80
[   68.944588][ T1111] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   68.944797][ T1111] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   68.945004][ T1111] FS:  00007f397700e840(0000) GS:ff1100007b105000(0000) knlGS:0000000000000000
[   68.945243][ T1111] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   68.945472][ T1111] CR2: 000000002b618988 CR3: 0000000004ab3006 CR4: 0000000000771ef0
[   68.945682][ T1111] PKRU: 55555554
[   68.945784][ T1111] Call Trace:
[   68.945888][ T1111]  <TASK>
[   68.945960][ T1111]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   68.946102][ T1111]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   68.946205][ T1111]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   68.946343][ T1111]  __dev_notify_flags (net/core/dev.c:9787)
[   68.946536][ T1111]  ? netif_change_name (net/core/dev.c:1495)
[   68.946674][ T1111]  ? __dev_change_flags (net/core/dev.c:9752)
[   68.946811][ T1111]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   68.946945][ T1111]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.947085][ T1111]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   68.947224][ T1111]  netif_change_flags (net/core/dev.c:9820)
[   68.947362][ T1111]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   68.947555][ T1111]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   68.947697][ T1111]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   68.947866][ T1111]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   68.948004][ T1111]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   68.948140][ T1111]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   68.948275][ T1111]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   68.948468][ T1111]  ? __kernel_text_address (kernel/extable.c:79)
[   68.948609][ T1111]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   68.948748][ T1111]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.948884][ T1111]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   68.949023][ T1111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.949158][ T1111]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   68.949293][ T1111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.949503][ T1111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.949642][ T1111]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   68.949780][ T1111]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   68.949918][ T1111]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   68.950054][ T1111]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   68.950196][ T1111]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   68.950336][ T1111]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   68.950482][ T1111]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   68.950624][ T1111]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.950760][ T1111]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   68.950898][ T1111]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   68.951039][ T1111]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   68.951175][ T1111]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.951315][ T1111]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.951455][ T1111]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   68.951594][ T1111]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   68.951734][ T1111]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.951872][ T1111]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   68.952010][ T1111]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   68.952147][ T1111]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   68.952288][ T1111]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   68.952427][ T1111]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   68.952564][ T1111]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.952704][ T1111]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   68.952843][ T1111]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   68.952979][ T1111]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   68.953115][ T1111]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   68.953254][ T1111]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   68.953391][ T1111]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   68.953534][ T1111]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   68.953674][ T1111]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   68.953809][ T1111]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   68.953946][ T1111]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   68.954082][ T1111]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   68.954219][ T1111]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   68.954358][ T1111]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   68.954503][ T1111]  ? copy_msghdr_from_user (net/socket.c:2635)
[   68.954644][ T1111]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   68.954813][ T1111]  ? move_addr_to_kernel (net/socket.c:258)
[   68.954951][ T1111]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   68.955087][ T1111]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   68.955224][ T1111]  ___sys_sendmsg (net/socket.c:2752)
[   68.955360][ T1111]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   68.955537][ T1111]  ? copy_msghdr_from_user (net/socket.c:2603)
[   68.955689][ T1111]  __sys_sendmsg (net/socket.c:2784)
[   68.955825][ T1111]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   68.955960][ T1111]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   68.956132][ T1111]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   68.956267][ T1111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.956403][ T1111]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   68.956545][ T1111]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   68.956687][ T1111]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   68.956824][ T1111]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   68.956993][ T1111] RIP: 0033:0x7f397724808e
[   68.957137][ T1111] 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
[   68.957633][ T1111] RSP: 002b:00007ffdcc53b520 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   68.957839][ T1111] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f397724808e
[   68.958043][ T1111] RDX: 0000000000000000 RSI: 00007ffdcc53b5d0 RDI: 0000000000000005
[   68.958248][ T1111] RBP: 00007ffdcc53b530 R08: 0000000000000000 R09: 0000000000000000
[   68.958457][ T1111] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e81e
[   68.958667][ T1111] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdcc53bc90
| [   70.175100][ T1128] ------------[ cut here ]------------
| [   70.175284][ T1128] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1128
| [   70.175593][ T1128] Modules linked in: netdevsim
| [   70.176005][ T1128] Tainted: [W]=WARN
[   70.176106][ T1128] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   70.176275][ T1128] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   70.176458][ T1128] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   70.176933][ T1128] RSP: 0018:ffa0000001be7020 EFLAGS: 00010286
[   70.177099][ T1128] RAX: 00000000ffffffa6 RBX: ff1100000d418040 RCX: 1ff400000037cdca
[   70.177300][ T1128] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d4180f0
[   70.177506][ T1128] RBP: ff11000008e6a000 R08: 1fe2200001a8301f R09: ff1100000212ae80
[   70.177713][ T1128] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   70.177912][ T1128] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   70.178112][ T1128] FS:  00007f80a8405840(0000) GS:ff1100007af85000(0000) knlGS:0000000000000000
[   70.178347][ T1128] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   70.178521][ T1128] CR2: 000000002f61d988 CR3: 000000000be85006 CR4: 0000000000771ef0
[   70.178724][ T1128] PKRU: 55555554
[   70.178824][ T1128] Call Trace:
[   70.178924][ T1128]  <TASK>
[   70.178993][ T1128]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   70.179129][ T1128]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   70.179230][ T1128]  __dev_notify_flags (net/core/dev.c:9787)
[   70.179361][ T1128]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[   70.179501][ T1128]  ? netif_change_name (net/core/dev.c:1495)
[   70.179637][ T1128]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   70.179772][ T1128]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   70.179903][ T1128]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   70.180037][ T1128]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   70.180173][ T1128]  netif_change_flags (net/core/dev.c:9820)
[   70.180305][ T1128]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   70.180535][ T1128]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   70.180690][ T1128]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   70.180860][ T1128]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   70.180996][ T1128]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   70.181132][ T1128]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   70.181268][ T1128]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   70.181405][ T1128]  ? __kernel_text_address (kernel/extable.c:79)
[   70.181703][ T1128]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   70.181844][ T1128]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   70.181980][ T1128]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   70.182118][ T1128]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   70.182253][ T1128]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   70.182388][ T1128]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   70.182622][ T1128]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   70.182758][ T1128]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   70.182893][ T1128]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   70.183030][ T1128]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   70.183163][ T1128]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   70.183303][ T1128]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   70.183518][ T1128]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   70.183662][ T1128]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   70.183800][ T1128]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   70.183935][ T1128]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   70.184069][ T1128]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   70.184202][ T1128]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   70.184334][ T1128]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   70.184538][ T1128]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   70.184676][ T1128]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   70.184813][ T1128]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   70.184948][ T1128]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   70.185085][ T1128]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   70.185220][ T1128]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   70.185354][ T1128]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   70.185542][ T1128]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   70.185680][ T1128]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   70.185819][ T1128]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   70.185955][ T1128]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   70.186092][ T1128]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   70.186226][ T1128]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   70.186361][ T1128]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   70.186563][ T1128]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   70.186704][ T1128]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   70.186842][ T1128]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   70.186977][ T1128]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   70.187112][ T1128]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   70.187249][ T1128]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   70.187386][ T1128]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   70.187526][ T1128]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   70.187670][ T1128]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   70.187808][ T1128]  ? copy_msghdr_from_user (net/socket.c:2635)
[   70.188032][ T1128]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   70.188199][ T1128]  ? move_addr_to_kernel (net/socket.c:258)
[   70.188333][ T1128]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   70.188474][ T1128]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   70.188616][ T1128]  ___sys_sendmsg (net/socket.c:2752)
[   70.188748][ T1128]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   70.188916][ T1128]  ? copy_msghdr_from_user (net/socket.c:2603)
[   70.189151][ T1128]  __sys_sendmsg (net/socket.c:2784)
[   70.189287][ T1128]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   70.189425][ T1128]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   70.189599][ T1128]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   70.189822][ T1128]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   70.189957][ T1128]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   70.190092][ T1128]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   70.190228][ T1128]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   70.190456][ T1128]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   70.190627][ T1128] RIP: 0033:0x7f80a863f08e
[   70.190769][ T1128] 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
[   70.191341][ T1128] RSP: 002b:00007ffc5f92c150 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   70.191641][ T1128] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f80a863f08e
[   70.191845][ T1128] RDX: 0000000000000000 RSI: 00007ffc5f92c200 RDI: 0000000000000005
[   70.192046][ T1128] RBP: 00007ffc5f92c160 R08: 0000000000000000 R09: 0000000000000000
[   70.192333][ T1128] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e81f
[   70.192542][ T1128] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc5f92c8c0
| [   79.624148][ T1873] ------------[ cut here ]------------
| [   79.624345][ T1873] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1873
| [   79.624638][ T1873] Modules linked in: netdevsim
| [   79.625078][ T1873] Tainted: [W]=WARN
[   79.625180][ T1873] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   79.625348][ T1873] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   79.625525][ T1873] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   79.626004][ T1873] RSP: 0018:ffa0000002807020 EFLAGS: 00010286
[   79.626172][ T1873] RAX: 00000000ffffffa6 RBX: ff1100000b0121c0 RCX: 1ff4000000500dca
[   79.626392][ T1873] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b012270
[   79.626604][ T1873] RBP: ff11000008e6a000 R08: 1fe220000160244f R09: ff1100000e5a8b80
[   79.626816][ T1873] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   79.627022][ T1873] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   79.627230][ T1873] FS:  00007f9a40ea2840(0000) GS:ff1100007b105000(0000) knlGS:0000000000000000
[   79.627478][ T1873] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   79.627660][ T1873] CR2: 00007f9a411721a0 CR3: 000000000e517003 CR4: 0000000000771ef0
[   79.627868][ T1873] PKRU: 55555554
[   79.627972][ T1873] Call Trace:
[   79.628076][ T1873]  <TASK>
[   79.628147][ T1873]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[   79.628288][ T1873]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   79.628430][ T1873]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   79.628536][ T1873]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   79.628683][ T1873]  __dev_notify_flags (net/core/dev.c:9787)
[   79.628823][ T1873]  ? netif_change_name (net/core/dev.c:1495)
[   79.628960][ T1873]  ? __dev_change_flags (net/core/dev.c:9752)
[   79.629098][ T1873]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   79.629234][ T1873]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   79.629372][ T1873]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   79.629606][ T1873]  netif_change_flags (net/core/dev.c:9820)
[   79.629751][ T1873]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   79.629892][ T1873]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   79.630032][ T1873]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   79.630204][ T1873]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   79.630343][ T1873]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   79.630562][ T1873]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   79.630718][ T1873]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   79.630852][ T1873]  ? __kernel_text_address (kernel/extable.c:79)
[   79.630987][ T1873]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   79.631121][ T1873]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   79.631253][ T1873]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   79.631384][ T1873]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   79.631594][ T1873]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   79.631731][ T1873]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   79.631861][ T1873]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   79.631994][ T1873]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   79.632127][ T1873]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   79.632259][ T1873]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   79.632389][ T1873]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   79.632612][ T1873]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   79.632812][ T1873]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   79.632949][ T1873]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   79.633083][ T1873]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   79.633215][ T1873]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   79.633349][ T1873]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   79.633493][ T1873]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   79.633641][ T1873]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   79.633786][ T1873]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   79.633923][ T1873]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   79.634060][ T1873]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   79.634194][ T1873]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   79.634332][ T1873]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   79.634474][ T1873]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   79.634611][ T1873]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   79.634755][ T1873]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   79.634893][ T1873]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   79.635032][ T1873]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   79.635170][ T1873]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   79.635310][ T1873]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   79.635454][ T1873]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   79.635593][ T1873]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   79.635742][ T1873]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   79.635883][ T1873]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   79.636023][ T1873]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   79.636161][ T1873]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   79.636297][ T1873]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   79.636461][ T1873]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   79.636596][ T1873]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   79.636737][ T1873]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   79.636874][ T1873]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   79.637010][ T1873]  ? copy_msghdr_from_user (net/socket.c:2635)
[   79.637141][ T1873]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   79.637305][ T1873]  ? move_addr_to_kernel (net/socket.c:258)
[   79.637443][ T1873]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   79.637574][ T1873]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   79.637711][ T1873]  ___sys_sendmsg (net/socket.c:2752)
[   79.637843][ T1873]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   79.638007][ T1873]  ? copy_msghdr_from_user (net/socket.c:2603)
[   79.638151][ T1873]  __sys_sendmsg (net/socket.c:2784)
[   79.638283][ T1873]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   79.638419][ T1873]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   79.638587][ T1873]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   79.638726][ T1873]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   79.638859][ T1873]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   79.638990][ T1873]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   79.639124][ T1873]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   79.639256][ T1873]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   79.639423][ T1873] RIP: 0033:0x7f9a410dc08e
[   79.639563][ T1873] 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
[   79.640037][ T1873] RSP: 002b:00007fffe681b000 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   79.640236][ T1873] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f9a410dc08e
[   79.640439][ T1873] RDX: 0000000000000000 RSI: 00007fffe681b0b0 RDI: 0000000000000005
[   79.640639][ T1873] RBP: 00007fffe681b010 R08: 0000000000000000 R09: 0000000000000000
[   79.640839][ T1873] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e828
[   79.641033][ T1873] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffe681b770
| [   80.879444][ T1889] ------------[ cut here ]------------
| [   80.879675][ T1889] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1889
| [   80.880006][ T1889] Modules linked in: netdevsim
| [   80.880961][ T1889] Tainted: [W]=WARN
[   80.881116][ T1889] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   80.881333][ T1889] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   80.881569][ T1889] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   80.882109][ T1889] RSP: 0018:ffa0000002807020 EFLAGS: 00010286
[   80.882327][ T1889] RAX: 00000000ffffffa6 RBX: ff11000004a9fcc0 RCX: 1ff4000000500dca
[   80.882591][ T1889] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004a9fd70
[   80.882844][ T1889] RBP: ff11000008e6a000 R08: 1fe2200000953faf R09: ff1100000c178b80
[   80.883090][ T1889] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   80.883336][ T1889] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   80.883616][ T1889] FS:  00007f88059d7840(0000) GS:ff1100007b085000(0000) knlGS:0000000000000000
[   80.883913][ T1889] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   80.884129][ T1889] CR2: 0000000036507988 CR3: 000000000c375003 CR4: 0000000000771ef0
[   80.884377][ T1889] PKRU: 55555554
[   80.884535][ T1889] Call Trace:
[   80.884692][ T1889]  <TASK>
[   80.884810][ T1889]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   80.885000][ T1889]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   80.885151][ T1889]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   80.885333][ T1889]  __dev_notify_flags (net/core/dev.c:9787)
[   80.885527][ T1889]  ? netif_change_name (net/core/dev.c:1495)
[   80.885713][ T1889]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   80.885895][ T1889]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   80.886073][ T1889]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   80.886259][ T1889]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   80.886456][ T1889]  netif_change_flags (net/core/dev.c:9820)
[   80.886646][ T1889]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   80.886831][ T1889]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   80.887013][ T1889]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   80.887229][ T1889]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   80.887423][ T1889]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   80.887608][ T1889]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   80.887796][ T1889]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   80.887980][ T1889]  ? __kernel_text_address (kernel/extable.c:79)
[   80.888163][ T1889]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   80.888348][ T1889]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   80.888541][ T1889]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   80.888732][ T1889]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   80.888920][ T1889]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   80.889103][ T1889]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   80.889283][ T1889]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   80.889477][ T1889]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   80.889664][ T1889]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   80.889849][ T1889]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   80.890031][ T1889]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   80.890215][ T1889]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   80.890402][ T1889]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   80.890600][ T1889]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   80.890792][ T1889]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   80.890971][ T1889]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   80.891155][ T1889]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   80.891336][ T1889]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   80.891531][ T1889]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   80.891730][ T1889]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   80.891914][ T1889]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   80.892097][ T1889]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   80.892279][ T1889]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   80.892475][ T1889]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   80.892664][ T1889]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   80.892849][ T1889]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   80.893029][ T1889]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   80.893212][ T1889]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   80.893395][ T1889]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   80.893588][ T1889]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   80.893781][ T1889]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   80.893963][ T1889]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   80.894155][ T1889]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   80.894341][ T1889]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   80.894536][ T1889]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   80.894731][ T1889]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   80.894914][ T1889]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   80.895183][ T1889]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   80.895365][ T1889]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   80.895561][ T1889]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   80.895747][ T1889]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   80.896020][ T1889]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   80.896206][ T1889]  ? copy_msghdr_from_user (net/socket.c:2635)
[   80.896387][ T1889]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   80.896723][ T1889]  ? move_addr_to_kernel (net/socket.c:258)
[   80.896908][ T1889]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   80.897089][ T1889]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   80.897273][ T1889]  ___sys_sendmsg (net/socket.c:2752)
[   80.897548][ T1889]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   80.897776][ T1889]  ? copy_msghdr_from_user (net/socket.c:2603)
[   80.897969][ T1889]  __sys_sendmsg (net/socket.c:2784)
[   80.898153][ T1889]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   80.898434][ T1889]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   80.898663][ T1889]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   80.898846][ T1889]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   80.899058][ T1889]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   80.899458][ T1889]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   80.899725][ T1889]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   80.899983][ T1889]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   80.900279][ T1889] RIP: 0033:0x7f8805c1108e
[   80.900714][ T1889] 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
[   80.901357][ T1889] RSP: 002b:00007ffe80d7c190 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   80.901622][ T1889] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f8805c1108e
[   80.901879][ T1889] RDX: 0000000000000000 RSI: 00007ffe80d7c240 RDI: 0000000000000005
[   80.902215][ T1889] RBP: 00007ffe80d7c1a0 R08: 0000000000000000 R09: 0000000000000000
[   80.902479][ T1889] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e82a
[   80.902736][ T1889] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe80d7c900
| [   82.077744][ T1903] ------------[ cut here ]------------
| [   82.077971][ T1903] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1903
| [   82.078294][ T1903] Modules linked in: netdevsim
| [   82.078837][ T1903] Tainted: [W]=WARN
[   82.078988][ T1903] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   82.079206][ T1903] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   82.079528][ T1903] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   82.080069][ T1903] RSP: 0018:ffa00000028a7020 EFLAGS: 00010286
[   82.080289][ T1903] RAX: 00000000ffffffa6 RBX: ff110000095e3cc0 RCX: 1ff4000000514dca
[   82.080554][ T1903] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000095e3d70
[   82.080812][ T1903] RBP: ff11000008e6a000 R08: 1fe22000012bc7af R09: ff1100000a120b80
[   82.081064][ T1903] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   82.081312][ T1903] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   82.081576][ T1903] FS:  00007f1f6a7ae840(0000) GS:ff1100007b085000(0000) knlGS:0000000000000000
[   82.081873][ T1903] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   82.082105][ T1903] CR2: 000000000c382988 CR3: 000000000cd36004 CR4: 0000000000771ef0
[   82.082361][ T1903] PKRU: 55555554
[   82.082522][ T1903] Call Trace:
[   82.082679][ T1903]  <TASK>
[   82.082797][ T1903]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[   82.082983][ T1903]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   82.083170][ T1903]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   82.083321][ T1903]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   82.083524][ T1903]  __dev_notify_flags (net/core/dev.c:9787)
[   82.083717][ T1903]  ? netif_change_name (net/core/dev.c:1495)
[   82.083900][ T1903]  ? __dev_change_flags (net/core/dev.c:9752)
[   82.084083][ T1903]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   82.084265][ T1903]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   82.084461][ T1903]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   82.084656][ T1903]  netif_change_flags (net/core/dev.c:9820)
[   82.084846][ T1903]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   82.085033][ T1903]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   82.085216][ T1903]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   82.085445][ T1903]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   82.085629][ T1903]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   82.085822][ T1903]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   82.086003][ T1903]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   82.086188][ T1903]  ? __kernel_text_address (kernel/extable.c:79)
[   82.086373][ T1903]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   82.086569][ T1903]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   82.086759][ T1903]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   82.086946][ T1903]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   82.087129][ T1903]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   82.087310][ T1903]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   82.087508][ T1903]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   82.087709][ T1903]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   82.087893][ T1903]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   82.088076][ T1903]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   82.088259][ T1903]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   82.088468][ T1903]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   82.088662][ T1903]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   82.088849][ T1903]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   82.089037][ T1903]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   82.089218][ T1903]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   82.089403][ T1903]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   82.089598][ T1903]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   82.089784][ T1903]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   82.089969][ T1903]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   82.090151][ T1903]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   82.090337][ T1903]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   82.090538][ T1903]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   82.090770][ T1903]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   82.091026][ T1903]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   82.091279][ T1903]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   82.091550][ T1903]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   82.091810][ T1903]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   82.092002][ T1903]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   82.092189][ T1903]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   82.092374][ T1903]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   82.092567][ T1903]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   82.092763][ T1903]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   82.092952][ T1903]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   82.093136][ T1903]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   82.093322][ T1903]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   82.093523][ T1903]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   82.093715][ T1903]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   82.093902][ T1903]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   82.094086][ T1903]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   82.094271][ T1903]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   82.094472][ T1903]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   82.094664][ T1903]  ? copy_msghdr_from_user (net/socket.c:2635)
[   82.094847][ T1903]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   82.095064][ T1903]  ? move_addr_to_kernel (net/socket.c:258)
[   82.095251][ T1903]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   82.095444][ T1903]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   82.095630][ T1903]  ___sys_sendmsg (net/socket.c:2752)
[   82.095820][ T1903]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   82.096037][ T1903]  ? copy_msghdr_from_user (net/socket.c:2603)
[   82.096231][ T1903]  __sys_sendmsg (net/socket.c:2784)
[   82.096431][ T1903]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   82.096613][ T1903]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   82.096855][ T1903]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   82.097039][ T1903]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   82.097223][ T1903]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   82.097420][ T1903]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   82.097605][ T1903]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   82.097802][ T1903]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   82.098019][ T1903] RIP: 0033:0x7f1f6a9e808e
[   82.098209][ T1903] 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
[   82.098751][ T1903] RSP: 002b:00007fff7b5a0ac0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   82.099004][ T1903] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f1f6a9e808e
[   82.099252][ T1903] RDX: 0000000000000000 RSI: 00007fff7b5a0b70 RDI: 0000000000000005
[   82.099514][ T1903] RBP: 00007fff7b5a0ad0 R08: 0000000000000000 R09: 0000000000000000
[   82.099772][ T1903] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e82b
[   82.100023][ T1903] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff7b5a1230
| [   83.334264][ T1919] ------------[ cut here ]------------
| [   83.334464][ T1919] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1919
| [   83.334744][ T1919] Modules linked in: netdevsim
| [   83.335156][ T1919] Tainted: [W]=WARN
[   83.335258][ T1919] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   83.335428][ T1919] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   83.335600][ T1919] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   83.336080][ T1919] RSP: 0018:ffa00000028f7020 EFLAGS: 00010286
[   83.336248][ T1919] RAX: 00000000ffffffa6 RBX: ff1100000bc396c0 RCX: 1ff400000051edca
[   83.336464][ T1919] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000bc39770
[   83.336665][ T1919] RBP: ff11000008e6a000 R08: 1fe22000017872ef R09: ff1100000c1a5180
[   83.336861][ T1919] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   83.337057][ T1919] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   83.337255][ T1919] FS:  00007f54018ea840(0000) GS:ff1100007af85000(0000) knlGS:0000000000000000
[   83.337491][ T1919] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   83.337667][ T1919] CR2: 000000003c607988 CR3: 000000000c7a9001 CR4: 0000000000771ef0
[   83.337889][ T1919] PKRU: 55555554
[   83.337991][ T1919] Call Trace:
[   83.338091][ T1919]  <TASK>
[   83.338160][ T1919]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   83.338294][ T1919]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   83.338394][ T1919]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   83.338559][ T1919]  __dev_notify_flags (net/core/dev.c:9787)
[   83.338728][ T1919]  ? netif_change_name (net/core/dev.c:1495)
[   83.338860][ T1919]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   83.338991][ T1919]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   83.339128][ T1919]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   83.339266][ T1919]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   83.339404][ T1919]  netif_change_flags (net/core/dev.c:9820)
[   83.339541][ T1919]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   83.339686][ T1919]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   83.339821][ T1919]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   83.339998][ T1919]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   83.340129][ T1919]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   83.340261][ T1919]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   83.340390][ T1919]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   83.340529][ T1919]  ? __kernel_text_address (kernel/extable.c:79)
[   83.340668][ T1919]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   83.340802][ T1919]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   83.340932][ T1919]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   83.341063][ T1919]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   83.341193][ T1919]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   83.341324][ T1919]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   83.341535][ T1919]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   83.341672][ T1919]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   83.341805][ T1919]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   83.341936][ T1919]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   83.342068][ T1919]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   83.342200][ T1919]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   83.342334][ T1919]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   83.342544][ T1919]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   83.342775][ T1919]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   83.342925][ T1919]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   83.343057][ T1919]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   83.343187][ T1919]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   83.343319][ T1919]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   83.343507][ T1919]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   83.343669][ T1919]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   83.343804][ T1919]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   83.343934][ T1919]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   83.344067][ T1919]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   83.344196][ T1919]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   83.344329][ T1919]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   83.344540][ T1919]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   83.344676][ T1919]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   83.344809][ T1919]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   83.344938][ T1919]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   83.345071][ T1919]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   83.345202][ T1919]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   83.345335][ T1919]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   83.345536][ T1919]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   83.345671][ T1919]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   83.345803][ T1919]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   83.345937][ T1919]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   83.346067][ T1919]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   83.346200][ T1919]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   83.346331][ T1919]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   83.346519][ T1919]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   83.346657][ T1919]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   83.346790][ T1919]  ? copy_msghdr_from_user (net/socket.c:2635)
[   83.346921][ T1919]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   83.347081][ T1919]  ? move_addr_to_kernel (net/socket.c:258)
[   83.347215][ T1919]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   83.347345][ T1919]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   83.347532][ T1919]  ___sys_sendmsg (net/socket.c:2752)
[   83.347667][ T1919]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   83.347830][ T1919]  ? copy_msghdr_from_user (net/socket.c:2603)
[   83.347973][ T1919]  __sys_sendmsg (net/socket.c:2784)
[   83.348104][ T1919]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   83.348234][ T1919]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   83.348401][ T1919]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   83.348626][ T1919]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   83.348770][ T1919]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   83.348901][ T1919]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   83.349033][ T1919]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   83.349186][ T1919]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   83.349353][ T1919] RIP: 0033:0x7f5401b2408e
[   83.349520][ T1919] 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
[   83.349987][ T1919] RSP: 002b:00007ffc1804a3e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   83.350197][ T1919] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f5401b2408e
[   83.350393][ T1919] RDX: 0000000000000000 RSI: 00007ffc1804a490 RDI: 0000000000000005
[   83.350595][ T1919] RBP: 00007ffc1804a3f0 R08: 0000000000000000 R09: 0000000000000000
[   83.350865][ T1919] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e82c
[   83.351061][ T1919] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc1804ab50
| [   84.523375][ T1933] ------------[ cut here ]------------
| [   84.524013][ T1933] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1933
| [   84.524298][ T1933] Modules linked in: netdevsim
| [   84.524728][ T1933] Tainted: [W]=WARN
[   84.524831][ T1933] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   84.524999][ T1933] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   84.525175][ T1933] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   84.525667][ T1933] RSP: 0018:ffa0000002927020 EFLAGS: 00010286
[   84.525836][ T1933] RAX: 00000000ffffffa6 RBX: ff1100000b2d56c0 RCX: 1ff4000000524dca
[   84.526037][ T1933] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b2d5770
[   84.526238][ T1933] RBP: ff11000008e6a000 R08: 1fe220000165aaef R09: ff1100000bcc5180
[   84.526445][ T1933] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   84.526658][ T1933] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   84.526861][ T1933] FS:  00007effd0fde840(0000) GS:ff1100007b105000(0000) knlGS:0000000000000000
[   84.527096][ T1933] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   84.527264][ T1933] CR2: 00000000220d7988 CR3: 0000000002131002 CR4: 0000000000771ef0
[   84.527473][ T1933] PKRU: 55555554
[   84.527575][ T1933] Call Trace:
[   84.527681][ T1933]  <TASK>
[   84.527751][ T1933]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   84.527887][ T1933]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   84.527988][ T1933]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   84.528121][ T1933]  __dev_notify_flags (net/core/dev.c:9787)
[   84.528255][ T1933]  ? netif_change_name (net/core/dev.c:1495)
[   84.528387][ T1933]  ? __dev_change_flags (net/core/dev.c:9752)
[   84.528525][ T1933]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   84.528660][ T1933]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   84.528795][ T1933]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   84.528932][ T1933]  netif_change_flags (net/core/dev.c:9820)
[   84.529067][ T1933]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   84.529201][ T1933]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   84.529335][ T1933]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   84.529508][ T1933]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   84.529645][ T1933]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   84.529778][ T1933]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   84.529910][ T1933]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   84.530041][ T1933]  ? __kernel_text_address (kernel/extable.c:79)
[   84.530175][ T1933]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   84.530311][ T1933]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   84.530448][ T1933]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   84.530581][ T1933]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   84.530716][ T1933]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   84.530848][ T1933]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   84.530978][ T1933]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   84.531108][ T1933]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   84.531240][ T1933]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   84.531378][ T1933]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   84.531515][ T1933]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   84.531650][ T1933]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   84.531815][ T1933]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   84.531951][ T1933]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   84.532084][ T1933]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   84.532243][ T1933]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   84.532375][ T1933]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   84.532511][ T1933]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   84.532645][ T1933]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   84.532780][ T1933]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   84.532918][ T1933]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   84.533053][ T1933]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   84.533187][ T1933]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   84.533321][ T1933]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   84.533460][ T1933]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   84.533593][ T1933]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   84.533732][ T1933]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   84.533865][ T1933]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   84.534001][ T1933]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   84.534135][ T1933]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   84.534272][ T1933]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   84.534404][ T1933]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   84.534551][ T1933]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   84.534690][ T1933]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   84.534821][ T1933]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   84.534955][ T1933]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   84.535087][ T1933]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   84.535218][ T1933]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   84.535353][ T1933]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   84.535488][ T1933]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   84.535624][ T1933]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   84.535764][ T1933]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   84.535896][ T1933]  ? copy_msghdr_from_user (net/socket.c:2635)
[   84.536026][ T1933]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   84.536187][ T1933]  ? move_addr_to_kernel (net/socket.c:258)
[   84.536318][ T1933]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   84.536454][ T1933]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   84.536588][ T1933]  ___sys_sendmsg (net/socket.c:2752)
[   84.536933][ T1933]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   84.537096][ T1933]  ? copy_msghdr_from_user (net/socket.c:2603)
[   84.537240][ T1933]  __sys_sendmsg (net/socket.c:2784)
[   84.537375][ T1933]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   84.537599][ T1933]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   84.537771][ T1933]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   84.537907][ T1933]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   84.538129][ T1933]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   84.538262][ T1933]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   84.538395][ T1933]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   84.538535][ T1933]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   84.538792][ T1933] RIP: 0033:0x7effd121808e
[   84.538933][ T1933] 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
[   84.539517][ T1933] RSP: 002b:00007ffe2d8d2810 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   84.539720][ T1933] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007effd121808e
[   84.539917][ T1933] RDX: 0000000000000000 RSI: 00007ffe2d8d28c0 RDI: 0000000000000005
[   84.540209][ T1933] RBP: 00007ffe2d8d2820 R08: 0000000000000000 R09: 0000000000000000
[   84.540412][ T1933] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e82d
[   84.540705][ T1933] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe2d8d2f80
| [   85.773244][ T1949] ------------[ cut here ]------------
| [   85.774035][ T1949] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1949
| [   85.774318][ T1949] Modules linked in: netdevsim
| [   85.774794][ T1949] Tainted: [W]=WARN
[   85.774896][ T1949] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   85.775087][ T1949] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   85.775286][ T1949] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   85.775836][ T1949] RSP: 0018:ffa0000002987020 EFLAGS: 00010286
[   85.776029][ T1949] RAX: 00000000ffffffa6 RBX: ff1100000c6f8ac0 RCX: 1ff4000000530dca
[   85.776225][ T1949] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c6f8b70
[   85.776424][ T1949] RBP: ff11000008e6a000 R08: 1fe22000018df16f R09: ff1100000278ae80
[   85.776621][ T1949] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   85.776827][ T1949] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   85.777048][ T1949] FS:  00007f91e326b840(0000) GS:ff1100007b105000(0000) knlGS:0000000000000000
[   85.777278][ T1949] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   85.777454][ T1949] CR2: 000000000f626988 CR3: 000000000c3b3005 CR4: 0000000000771ef0
[   85.777659][ T1949] PKRU: 55555554
[   85.777759][ T1949] Call Trace:
[   85.777859][ T1949]  <TASK>
[   85.777928][ T1949]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   85.778062][ T1949]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   85.778162][ T1949]  __dev_notify_flags (net/core/dev.c:9787)
[   85.778293][ T1949]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[   85.778432][ T1949]  ? netif_change_name (net/core/dev.c:1495)
[   85.778563][ T1949]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   85.778720][ T1949]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   85.778858][ T1949]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   85.778997][ T1949]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   85.779138][ T1949]  netif_change_flags (net/core/dev.c:9820)
[   85.779275][ T1949]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   85.779419][ T1949]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   85.779555][ T1949]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   85.779727][ T1949]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   85.779859][ T1949]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   85.779988][ T1949]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   85.780118][ T1949]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   85.780249][ T1949]  ? __kernel_text_address (kernel/extable.c:79)
[   85.780383][ T1949]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   85.780521][ T1949]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   85.780655][ T1949]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   85.780800][ T1949]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   85.780933][ T1949]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   85.781068][ T1949]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   85.781204][ T1949]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   85.781341][ T1949]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   85.781483][ T1949]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   85.781620][ T1949]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   85.781760][ T1949]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   85.781913][ T1949]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   85.782048][ T1949]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   85.782183][ T1949]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   85.782319][ T1949]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   85.782463][ T1949]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   85.782594][ T1949]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   85.782729][ T1949]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   85.782862][ T1949]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   85.782996][ T1949]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   85.783126][ T1949]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   85.783256][ T1949]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   85.783389][ T1949]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   85.783528][ T1949]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   85.783664][ T1949]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   85.783795][ T1949]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   85.783926][ T1949]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   85.784057][ T1949]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   85.784190][ T1949]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   85.784321][ T1949]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   85.784457][ T1949]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   85.784590][ T1949]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   85.784727][ T1949]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   85.784859][ T1949]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   85.784988][ T1949]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   85.785122][ T1949]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   85.785253][ T1949]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   85.785384][ T1949]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   85.785519][ T1949]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   85.785658][ T1949]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   85.785788][ T1949]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   85.785922][ T1949]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   85.786054][ T1949]  ? copy_msghdr_from_user (net/socket.c:2635)
[   85.786183][ T1949]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   85.786348][ T1949]  ? move_addr_to_kernel (net/socket.c:258)
[   85.786487][ T1949]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   85.786618][ T1949]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   85.786756][ T1949]  ___sys_sendmsg (net/socket.c:2752)
[   85.786889][ T1949]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   85.787053][ T1949]  ? copy_msghdr_from_user (net/socket.c:2603)
[   85.787194][ T1949]  __sys_sendmsg (net/socket.c:2784)
[   85.787325][ T1949]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   85.787459][ T1949]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   85.787626][ T1949]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   85.787766][ T1949]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   85.787898][ T1949]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   85.788027][ T1949]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   85.788161][ T1949]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   85.788291][ T1949]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   85.788457][ T1949] RIP: 0033:0x7f91e34a508e
[   85.788597][ T1949] 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
[   85.789097][ T1949] RSP: 002b:00007ffcca41e2c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   85.789303][ T1949] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f91e34a508e
[   85.789512][ T1949] RDX: 0000000000000000 RSI: 00007ffcca41e370 RDI: 0000000000000005
[   85.789715][ T1949] RBP: 00007ffcca41e2d0 R08: 0000000000000000 R09: 0000000000000000
[   85.789909][ T1949] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e82f
[   85.790101][ T1949] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcca41ea30
| [   86.960779][ T1963] ------------[ cut here ]------------
| [   86.961007][ T1963] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1963
| [   86.961336][ T1963] Modules linked in: netdevsim
| [   86.961868][ T1963] Tainted: [W]=WARN
[   86.962023][ T1963] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   86.962238][ T1963] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   86.962476][ T1963] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   86.963016][ T1963] RSP: 0018:ffa00000029f7020 EFLAGS: 00010286
[   86.963237][ T1963] RAX: 00000000ffffffa6 RBX: ff1100000e547240 RCX: 1ff400000053edca
[   86.963496][ T1963] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000e5472f0
[   86.963755][ T1963] RBP: ff11000008e6a000 R08: 1fe2200001ca8e5f R09: ff1100000a120b80
[   86.964002][ T1963] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   86.964254][ T1963] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   86.964519][ T1963] FS:  00007f497f730840(0000) GS:ff1100007b085000(0000) knlGS:0000000000000000
[   86.964818][ T1963] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   86.965035][ T1963] CR2: 00007f497fa001a0 CR3: 000000000e5bb005 CR4: 0000000000771ef0
[   86.965287][ T1963] PKRU: 55555554
[   86.965452][ T1963] Call Trace:
[   86.965602][ T1963]  <TASK>
[   86.965729][ T1963]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   86.965918][ T1963]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   86.966069][ T1963]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   86.966252][ T1963]  __dev_notify_flags (net/core/dev.c:9787)
[   86.966451][ T1963]  ? netif_change_name (net/core/dev.c:1495)
[   86.966634][ T1963]  ? __dev_change_flags (net/core/dev.c:9752)
[   86.966830][ T1963]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   86.967010][ T1963]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   86.967194][ T1963]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   86.967381][ T1963]  netif_change_flags (net/core/dev.c:9820)
[   86.967578][ T1963]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   86.967767][ T1963]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   86.967954][ T1963]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   86.968173][ T1963]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   86.968356][ T1963]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   86.968557][ T1963]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   86.968749][ T1963]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   86.968933][ T1963]  ? __kernel_text_address (kernel/extable.c:79)
[   86.969117][ T1963]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   86.969305][ T1963]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   86.969499][ T1963]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   86.969692][ T1963]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   86.969876][ T1963]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   86.970058][ T1963]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   86.970239][ T1963]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   86.970434][ T1963]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   86.970617][ T1963]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   86.970813][ T1963]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   86.970997][ T1963]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   86.971181][ T1963]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   86.971367][ T1963]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   86.971566][ T1963]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   86.971758][ T1963]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   86.971937][ T1963]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   86.972121][ T1963]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   86.972304][ T1963]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   86.972497][ T1963]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   86.972692][ T1963]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   86.972875][ T1963]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   86.973058][ T1963]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   86.973240][ T1963]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   86.973437][ T1963]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   86.973624][ T1963]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   86.973815][ T1963]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   86.973997][ T1963]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   86.974180][ T1963]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   86.974363][ T1963]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   86.974559][ T1963]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   86.974752][ T1963]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   86.974934][ T1963]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   86.975122][ T1963]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   86.975310][ T1963]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   86.975504][ T1963]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   86.975699][ T1963]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   86.975883][ T1963]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   86.976066][ T1963]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   86.976251][ T1963]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   86.976447][ T1963]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   86.976635][ T1963]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   86.976830][ T1963]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   86.977014][ T1963]  ? copy_msghdr_from_user (net/socket.c:2635)
[   86.977197][ T1963]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   86.977426][ T1963]  ? move_addr_to_kernel (net/socket.c:258)
[   86.977610][ T1963]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   86.977799][ T1963]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   86.977988][ T1963]  ___sys_sendmsg (net/socket.c:2752)
[   86.978169][ T1963]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   86.978385][ T1963]  ? copy_msghdr_from_user (net/socket.c:2603)
[   86.978594][ T1963]  __sys_sendmsg (net/socket.c:2784)
[   86.978790][ T1963]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   86.978975][ T1963]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   86.979194][ T1963]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   86.979379][ T1963]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   86.979577][ T1963]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   86.979765][ T1963]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   86.979948][ T1963]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   86.980132][ T1963]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   86.980346][ T1963] RIP: 0033:0x7f497f96a08e
[   86.980549][ T1963] 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
[   86.981086][ T1963] RSP: 002b:00007ffe32a4c590 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   86.981337][ T1963] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f497f96a08e
[   86.981593][ T1963] RDX: 0000000000000000 RSI: 00007ffe32a4c640 RDI: 0000000000000005
[   86.981853][ T1963] RBP: 00007ffe32a4c5a0 R08: 0000000000000000 R09: 0000000000000000
[   86.982101][ T1963] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e830
[   86.982348][ T1963] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe32a4cd00
| [   88.226118][ T1979] ------------[ cut here ]------------
| [   88.226305][ T1979] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1979
| [   88.226660][ T1979] Modules linked in: netdevsim
| [   88.227086][ T1979] Tainted: [W]=WARN
[   88.227194][ T1979] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   88.227369][ T1979] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   88.227644][ T1979] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   88.228193][ T1979] RSP: 0018:ffa0000002a77020 EFLAGS: 00010286
[   88.228368][ T1979] RAX: 00000000ffffffa6 RBX: ff11000004b5ec40 RCX: 1ff400000054edca
[   88.228630][ T1979] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004b5ecf0
[   88.228842][ T1979] RBP: ff11000008e6a000 R08: 1fe220000096bd9f R09: ff1100000c768b80
[   88.229047][ T1979] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   88.229254][ T1979] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   88.229517][ T1979] FS:  00007fc2028c1840(0000) GS:ff1100007b105000(0000) knlGS:0000000000000000
[   88.229764][ T1979] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   88.229939][ T1979] CR2: 00007fc202b911a0 CR3: 000000000b35b003 CR4: 0000000000771ef0
[   88.230147][ T1979] PKRU: 55555554
[   88.230251][ T1979] Call Trace:
[   88.230354][ T1979]  <TASK>
[   88.230480][ T1979]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   88.230622][ T1979]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   88.230732][ T1979]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   88.230871][ T1979]  __dev_notify_flags (net/core/dev.c:9787)
[   88.231009][ T1979]  ? netif_change_name (net/core/dev.c:1495)
[   88.231146][ T1979]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   88.231282][ T1979]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   88.231483][ T1979]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   88.231621][ T1979]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   88.231766][ T1979]  netif_change_flags (net/core/dev.c:9820)
[   88.231904][ T1979]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   88.232044][ T1979]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   88.232184][ T1979]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   88.232356][ T1979]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   88.232571][ T1979]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   88.232715][ T1979]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   88.232851][ T1979]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   88.232988][ T1979]  ? __kernel_text_address (kernel/extable.c:79)
[   88.233127][ T1979]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   88.233266][ T1979]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   88.233402][ T1979]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   88.233609][ T1979]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.233751][ T1979]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   88.233888][ T1979]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.234024][ T1979]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.234160][ T1979]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   88.234298][ T1979]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   88.234514][ T1979]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   88.234658][ T1979]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   88.234797][ T1979]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   88.234940][ T1979]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   88.235083][ T1979]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   88.235222][ T1979]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   88.235358][ T1979]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   88.235569][ T1979]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   88.235717][ T1979]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   88.235854][ T1979]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   88.235994][ T1979]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   88.236132][ T1979]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   88.236270][ T1979]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   88.236413][ T1979]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   88.236553][ T1979]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   88.236697][ T1979]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   88.236835][ T1979]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   88.236971][ T1979]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   88.237107][ T1979]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   88.237246][ T1979]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   88.237383][ T1979]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   88.237524][ T1979]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   88.237666][ T1979]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   88.237807][ T1979]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   88.237949][ T1979]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   88.238087][ T1979]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   88.238226][ T1979]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   88.238364][ T1979]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   88.238506][ T1979]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   88.238645][ T1979]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   88.238789][ T1979]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   88.238929][ T1979]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   88.239071][ T1979]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   88.239210][ T1979]  ? copy_msghdr_from_user (net/socket.c:2635)
[   88.239347][ T1979]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   88.239525][ T1979]  ? move_addr_to_kernel (net/socket.c:258)
[   88.239668][ T1979]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   88.239804][ T1979]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   88.239945][ T1979]  ___sys_sendmsg (net/socket.c:2752)
[   88.240084][ T1979]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   88.240254][ T1979]  ? copy_msghdr_from_user (net/socket.c:2603)
[   88.240402][ T1979]  __sys_sendmsg (net/socket.c:2784)
[   88.240543][ T1979]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   88.240683][ T1979]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   88.240858][ T1979]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   88.240997][ T1979]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.241135][ T1979]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   88.241271][ T1979]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   88.241412][ T1979]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   88.241549][ T1979]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   88.241724][ T1979] RIP: 0033:0x7fc202afb08e
[   88.241870][ T1979] 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
[   88.242355][ T1979] RSP: 002b:00007ffe747bcdd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   88.242593][ T1979] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fc202afb08e
[   88.242803][ T1979] RDX: 0000000000000000 RSI: 00007ffe747bce80 RDI: 0000000000000005
[   88.243007][ T1979] RBP: 00007ffe747bcde0 R08: 0000000000000000 R09: 0000000000000000
[   88.243212][ T1979] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e831
[   88.243422][ T1979] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe747bd540
| [   89.440394][ T1993] ------------[ cut here ]------------
| [   89.441011][ T1993] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1993
| [   89.441296][ T1993] Modules linked in: netdevsim
| [   89.441738][ T1993] Tainted: [W]=WARN
[   89.441844][ T1993] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   89.442017][ T1993] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   89.442197][ T1993] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   89.442706][ T1993] RSP: 0018:ffa0000002917020 EFLAGS: 00010286
[   89.442882][ T1993] RAX: 00000000ffffffa6 RBX: ff11000004a9f6c0 RCX: 1ff4000000522dca
[   89.443091][ T1993] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004a9f770
[   89.443300][ T1993] RBP: ff11000008e6a000 R08: 1fe2200000953eef R09: ff1100000c65d180
[   89.443513][ T1993] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   89.443724][ T1993] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   89.443935][ T1993] FS:  00007ff54b4db840(0000) GS:ff1100007af85000(0000) knlGS:0000000000000000
[   89.444179][ T1993] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   89.444352][ T1993] CR2: 000000003d3b9988 CR3: 000000000e710003 CR4: 0000000000771ef0
[   89.444566][ T1993] PKRU: 55555554
[   89.444674][ T1993] Call Trace:
[   89.444779][ T1993]  <TASK>
[   89.444851][ T1993]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[   89.444992][ T1993]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   89.445135][ T1993]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   89.445240][ T1993]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   89.445378][ T1993]  __dev_notify_flags (net/core/dev.c:9787)
[   89.445523][ T1993]  ? netif_change_name (net/core/dev.c:1495)
[   89.445664][ T1993]  ? __dev_change_flags (net/core/dev.c:9752)
[   89.445801][ T1993]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   89.445937][ T1993]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   89.446076][ T1993]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   89.446216][ T1993]  netif_change_flags (net/core/dev.c:9820)
[   89.446353][ T1993]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   89.446498][ T1993]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   89.446637][ T1993]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   89.446813][ T1993]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   89.446952][ T1993]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   89.447087][ T1993]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   89.447225][ T1993]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   89.447361][ T1993]  ? __kernel_text_address (kernel/extable.c:79)
[   89.447505][ T1993]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   89.447643][ T1993]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   89.447785][ T1993]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   89.447924][ T1993]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   89.448059][ T1993]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   89.448197][ T1993]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   89.448332][ T1993]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   89.448474][ T1993]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   89.448612][ T1993]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   89.448752][ T1993]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   89.448888][ T1993]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   89.449028][ T1993]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   89.449167][ T1993]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   89.449307][ T1993]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   89.449451][ T1993]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   89.449587][ T1993]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   89.449729][ T1993]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   89.449867][ T1993]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   89.450004][ T1993]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   89.450146][ T1993]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   89.450281][ T1993]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   89.450423][ T1993]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   89.450561][ T1993]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   89.450703][ T1993]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   89.450843][ T1993]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   89.450980][ T1993]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   89.451119][ T1993]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   89.451255][ T1993]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   89.451394][ T1993]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   89.451536][ T1993]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   89.451678][ T1993]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   89.451816][ T1993]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   89.451954][ T1993]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   89.452095][ T1993]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   89.452235][ T1993]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   89.452375][ T1993]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   89.452519][ T1993]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   89.452659][ T1993]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   89.452838][ T1993]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   89.452972][ T1993]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   89.453106][ T1993]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   89.453246][ T1993]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   89.453385][ T1993]  ? copy_msghdr_from_user (net/socket.c:2635)
[   89.453525][ T1993]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   89.453789][ T1993]  ? move_addr_to_kernel (net/socket.c:258)
[   89.453925][ T1993]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   89.454062][ T1993]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   89.454200][ T1993]  ___sys_sendmsg (net/socket.c:2752)
[   89.454426][ T1993]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   89.454598][ T1993]  ? copy_msghdr_from_user (net/socket.c:2603)
[   89.454751][ T1993]  __sys_sendmsg (net/socket.c:2784)
[   89.454887][ T1993]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   89.455111][ T1993]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   89.455282][ T1993]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   89.455423][ T1993]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   89.455647][ T1993]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   89.455789][ T1993]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   89.455929][ T1993]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   89.456066][ T1993]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   89.456325][ T1993] RIP: 0033:0x7ff54b71508e
[   89.456475][ T1993] 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
[   89.457056][ T1993] RSP: 002b:00007ffe5a85d420 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   89.457264][ T1993] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff54b71508e
[   89.457563][ T1993] RDX: 0000000000000000 RSI: 00007ffe5a85d4d0 RDI: 0000000000000005
[   89.457771][ T1993] RBP: 00007ffe5a85d430 R08: 0000000000000000 R09: 0000000000000000
[   89.457976][ T1993] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e832
[   89.458270][ T1993] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe5a85db90
| [   90.689581][ T2009] ------------[ cut here ]------------
| [   90.689780][ T2009] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/2009
| [   90.690065][ T2009] Modules linked in: netdevsim
| [   90.690496][ T2009] Tainted: [W]=WARN
[   90.690601][ T2009] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   90.690800][ T2009] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   90.690981][ T2009] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   90.691476][ T2009] RSP: 0018:ffa0000002b47020 EFLAGS: 00010286
[   90.691658][ T2009] RAX: 00000000ffffffa6 RBX: ff11000009272dc0 RCX: 1ff4000000568dca
[   90.691869][ T2009] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009272e70
[   90.692073][ T2009] RBP: ff11000008e6a000 R08: 1fe220000124e5cf R09: ff1100000bcc0b80
[   90.692279][ T2009] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   90.692489][ T2009] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   90.692698][ T2009] FS:  00007f4bfbbea840(0000) GS:ff1100007af85000(0000) knlGS:0000000000000000
[   90.692939][ T2009] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   90.693112][ T2009] CR2: 0000000022f36988 CR3: 000000000e7ef005 CR4: 0000000000771ef0
[   90.693317][ T2009] PKRU: 55555554
[   90.693425][ T2009] Call Trace:
[   90.693529][ T2009]  <TASK>
[   90.693600][ T2009]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   90.693742][ T2009]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   90.693846][ T2009]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   90.693984][ T2009]  __dev_notify_flags (net/core/dev.c:9787)
[   90.694122][ T2009]  ? netif_change_name (net/core/dev.c:1495)
[   90.694258][ T2009]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   90.694395][ T2009]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   90.694536][ T2009]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   90.694677][ T2009]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   90.694817][ T2009]  netif_change_flags (net/core/dev.c:9820)
[   90.694956][ T2009]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   90.695095][ T2009]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   90.695233][ T2009]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   90.695403][ T2009]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   90.695624][ T2009]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   90.695766][ T2009]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   90.695901][ T2009]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   90.696038][ T2009]  ? __kernel_text_address (kernel/extable.c:79)
[   90.696176][ T2009]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   90.696314][ T2009]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   90.696541][ T2009]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   90.696759][ T2009]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   90.696898][ T2009]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   90.697034][ T2009]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   90.697170][ T2009]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   90.697306][ T2009]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   90.697531][ T2009]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   90.697671][ T2009]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   90.697807][ T2009]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   90.697944][ T2009]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   90.698081][ T2009]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   90.698219][ T2009]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   90.698357][ T2009]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   90.698580][ T2009]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   90.698722][ T2009]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   90.698859][ T2009]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   90.698993][ T2009]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   90.699132][ T2009]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   90.699268][ T2009]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   90.699403][ T2009]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   90.699629][ T2009]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   90.699769][ T2009]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   90.699905][ T2009]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   90.700041][ T2009]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   90.700177][ T2009]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   90.700313][ T2009]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   90.700494][ T2009]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   90.700630][ T2009]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   90.700772][ T2009]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   90.700922][ T2009]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   90.701060][ T2009]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   90.701200][ T2009]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   90.701337][ T2009]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   90.701482][ T2009]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   90.701619][ T2009]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   90.701762][ T2009]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   90.701900][ T2009]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   90.702037][ T2009]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   90.702174][ T2009]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   90.702314][ T2009]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   90.702458][ T2009]  ? copy_msghdr_from_user (net/socket.c:2635)
[   90.702594][ T2009]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   90.702768][ T2009]  ? move_addr_to_kernel (net/socket.c:258)
[   90.702904][ T2009]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   90.703039][ T2009]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   90.703176][ T2009]  ___sys_sendmsg (net/socket.c:2752)
[   90.703311][ T2009]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   90.703487][ T2009]  ? copy_msghdr_from_user (net/socket.c:2603)
[   90.703635][ T2009]  __sys_sendmsg (net/socket.c:2784)
[   90.703778][ T2009]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   90.703914][ T2009]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   90.704088][ T2009]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   90.704224][ T2009]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   90.704361][ T2009]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   90.704504][ T2009]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   90.704642][ T2009]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   90.704784][ T2009]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   90.704956][ T2009] RIP: 0033:0x7f4bfbe2408e
[   90.705101][ T2009] 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
[   90.705589][ T2009] RSP: 002b:00007ffcbf2e87b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   90.705802][ T2009] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f4bfbe2408e
[   90.706005][ T2009] RDX: 0000000000000000 RSI: 00007ffcbf2e8860 RDI: 0000000000000005
[   90.706209][ T2009] RBP: 00007ffcbf2e87c0 R08: 0000000000000000 R09: 0000000000000000
[   90.706418][ T2009] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e834
[   90.706624][ T2009] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcbf2e8f20
| [   91.879808][ T2023] ------------[ cut here ]------------
| [   91.880001][ T2023] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/2023
| [   91.880284][ T2023] Modules linked in: netdevsim
| [   91.880801][ T2023] Tainted: [W]=WARN
[   91.880902][ T2023] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   91.881067][ T2023] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   91.881272][ T2023] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   91.881810][ T2023] RSP: 0018:ffa0000002ae7020 EFLAGS: 00010286
[   91.881981][ T2023] RAX: 00000000ffffffa6 RBX: ff1100000b2d87c0 RCX: 1ff400000055cdca
[   91.882185][ T2023] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b2d8870
[   91.882382][ T2023] RBP: ff11000008e6a000 R08: 1fe220000165b10f R09: ff11000008d45180
[   91.882658][ T2023] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   91.882862][ T2023] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   91.883063][ T2023] FS:  00007fd7b8493840(0000) GS:ff1100007b105000(0000) knlGS:0000000000000000
[   91.883337][ T2023] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   91.883581][ T2023] CR2: 0000000035a22988 CR3: 000000000506a004 CR4: 0000000000771ef0
[   91.883820][ T2023] PKRU: 55555554
[   91.883920][ T2023] Call Trace:
[   91.884023][ T2023]  <TASK>
[   91.884091][ T2023]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   91.884237][ T2023]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   91.884363][ T2023]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   91.884584][ T2023]  __dev_notify_flags (net/core/dev.c:9787)
[   91.884744][ T2023]  ? netif_change_name (net/core/dev.c:1495)
[   91.884879][ T2023]  ? __dev_change_flags (net/core/dev.c:9752)
[   91.885012][ T2023]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   91.885167][ T2023]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   91.885298][ T2023]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   91.885497][ T2023]  netif_change_flags (net/core/dev.c:9820)
[   91.885630][ T2023]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   91.885849][ T2023]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   91.885980][ T2023]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   91.886145][ T2023]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   91.886280][ T2023]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   91.886506][ T2023]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   91.886638][ T2023]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   91.886777][ T2023]  ? __kernel_text_address (kernel/extable.c:79)
[   91.886921][ T2023]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   91.887055][ T2023]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   91.887188][ T2023]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   91.887334][ T2023]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   91.887549][ T2023]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   91.887702][ T2023]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   91.887833][ T2023]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   91.887963][ T2023]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   91.888094][ T2023]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   91.888226][ T2023]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   91.888358][ T2023]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   91.888557][ T2023]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   91.888712][ T2023]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   91.888849][ T2023]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   91.888981][ T2023]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   91.889112][ T2023]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   91.889243][ T2023]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   91.889374][ T2023]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   91.889513][ T2023]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   91.889659][ T2023]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   91.889825][ T2023]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   91.889957][ T2023]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   91.890089][ T2023]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   91.890222][ T2023]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   91.890354][ T2023]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   91.890490][ T2023]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   91.890643][ T2023]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   91.890792][ T2023]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   91.890927][ T2023]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   91.891057][ T2023]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   91.891190][ T2023]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   91.891321][ T2023]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   91.891456][ T2023]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   91.891625][ T2023]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   91.891761][ T2023]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   91.891895][ T2023]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   91.892028][ T2023]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   91.892160][ T2023]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   91.892292][ T2023]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   91.892425][ T2023]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   91.892558][ T2023]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   91.892701][ T2023]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   91.892834][ T2023]  ? copy_msghdr_from_user (net/socket.c:2635)
[   91.892965][ T2023]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   91.893128][ T2023]  ? move_addr_to_kernel (net/socket.c:258)
[   91.893260][ T2023]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   91.893391][ T2023]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   91.893550][ T2023]  ___sys_sendmsg (net/socket.c:2752)
[   91.893727][ T2023]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   91.893902][ T2023]  ? copy_msghdr_from_user (net/socket.c:2603)
[   91.894050][ T2023]  __sys_sendmsg (net/socket.c:2784)
[   91.894182][ T2023]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   91.894312][ T2023]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   91.894482][ T2023]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   91.894614][ T2023]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   91.894876][ T2023]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   91.895012][ T2023]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   91.895148][ T2023]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   91.895371][ T2023]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   91.895542][ T2023] RIP: 0033:0x7fd7b86cd08e
[   91.895913][ T2023] 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
[   91.896489][ T2023] RSP: 002b:00007ffea73e16f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   91.896785][ T2023] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fd7b86cd08e
[   91.897036][ T2023] RDX: 0000000000000000 RSI: 00007ffea73e17a0 RDI: 0000000000000005
[   91.897234][ T2023] RBP: 00007ffea73e1700 R08: 0000000000000000 R09: 0000000000000000
[   91.897526][ T2023] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e835
[   91.897729][ T2023] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffea73e1e60
| [   93.147207][ T2039] ------------[ cut here ]------------
| [   93.147390][ T2039] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/2039
| [   93.147672][ T2039] Modules linked in: netdevsim
| [   93.148115][ T2039] Tainted: [W]=WARN
[   93.148221][ T2039] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   93.148396][ T2039] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   93.148580][ T2039] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   93.149097][ T2039] RSP: 0018:ffa0000002be7020 EFLAGS: 00010286
[   93.149268][ T2039] RAX: 00000000ffffffa6 RBX: ff11000004b5edc0 RCX: 1ff400000057cdca
[   93.149473][ T2039] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004b5ee70
[   93.149692][ T2039] RBP: ff11000008e6a000 R08: 1fe220000096bdcf R09: ff1100000c46ae80
[   93.149915][ T2039] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   93.150119][ T2039] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   93.150326][ T2039] FS:  00007fd336c5f840(0000) GS:ff1100007af85000(0000) knlGS:0000000000000000
[   93.150572][ T2039] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   93.150745][ T2039] CR2: 0000000038152988 CR3: 000000000bd57006 CR4: 0000000000771ef0
[   93.150946][ T2039] PKRU: 55555554
[   93.151047][ T2039] Call Trace:
[   93.151146][ T2039]  <TASK>
[   93.151215][ T2039]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   93.151350][ T2039]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   93.151459][ T2039]  __dev_notify_flags (net/core/dev.c:9787)
[   93.151606][ T2039]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[   93.151751][ T2039]  ? netif_change_name (net/core/dev.c:1495)
[   93.151883][ T2039]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   93.152016][ T2039]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   93.152149][ T2039]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   93.152283][ T2039]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   93.152483][ T2039]  netif_change_flags (net/core/dev.c:9820)
[   93.152619][ T2039]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   93.152825][ T2039]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   93.152972][ T2039]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   93.153137][ T2039]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   93.153268][ T2039]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   93.153399][ T2039]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   93.153622][ T2039]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   93.153775][ T2039]  ? __kernel_text_address (kernel/extable.c:79)
[   93.153914][ T2039]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   93.154053][ T2039]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   93.154190][ T2039]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   93.154327][ T2039]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   93.154541][ T2039]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   93.154679][ T2039]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   93.154812][ T2039]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   93.154947][ T2039]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   93.155080][ T2039]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   93.155214][ T2039]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   93.155348][ T2039]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   93.155562][ T2039]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   93.155721][ T2039]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   93.155856][ T2039]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   93.155991][ T2039]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   93.156125][ T2039]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   93.156256][ T2039]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   93.156385][ T2039]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   93.156602][ T2039]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   93.156772][ T2039]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   93.156910][ T2039]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   93.157046][ T2039]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   93.157180][ T2039]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   93.157315][ T2039]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   93.157528][ T2039]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   93.157662][ T2039]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   93.157801][ T2039]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   93.157932][ T2039]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   93.158067][ T2039]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   93.158201][ T2039]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   93.158335][ T2039]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   93.158546][ T2039]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   93.158711][ T2039]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   93.158851][ T2039]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   93.158982][ T2039]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   93.159118][ T2039]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   93.159250][ T2039]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   93.159385][ T2039]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   93.159566][ T2039]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   93.159770][ T2039]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   93.159908][ T2039]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   93.160043][ T2039]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   93.160178][ T2039]  ? copy_msghdr_from_user (net/socket.c:2635)
[   93.160314][ T2039]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   93.160493][ T2039]  ? move_addr_to_kernel (net/socket.c:258)
[   93.160630][ T2039]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   93.160768][ T2039]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   93.160917][ T2039]  ___sys_sendmsg (net/socket.c:2752)
[   93.161058][ T2039]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   93.161230][ T2039]  ? copy_msghdr_from_user (net/socket.c:2603)
[   93.161378][ T2039]  __sys_sendmsg (net/socket.c:2784)
[   93.161525][ T2039]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   93.161661][ T2039]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   93.161842][ T2039]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   93.161980][ T2039]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   93.162118][ T2039]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   93.162254][ T2039]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   93.162392][ T2039]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   93.162537][ T2039]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   93.162712][ T2039] RIP: 0033:0x7fd336e9908e
[   93.162858][ T2039] 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
[   93.163353][ T2039] RSP: 002b:00007ffede7d2910 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   93.163569][ T2039] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fd336e9908e
[   93.163779][ T2039] RDX: 0000000000000000 RSI: 00007ffede7d29c0 RDI: 0000000000000005
[   93.163984][ T2039] RBP: 00007ffede7d2920 R08: 0000000000000000 R09: 0000000000000000
[   93.164190][ T2039] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e836
[   93.164397][ T2039] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffede7d3080
| [   95.091356][ T2136] ------------[ cut here ]------------
| [   95.091590][ T2136] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/2136
| [   95.091924][ T2136] Modules linked in: netdevsim
| [   95.092452][ T2136] Tainted: [W]=WARN
[   95.092602][ T2136] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   95.092823][ T2136] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   95.093049][ T2136] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   95.093590][ T2136] RSP: 0018:ffa0000002f57020 EFLAGS: 00010286
[   95.093817][ T2136] RAX: 00000000ffffffa6 RBX: ff11000010122dc0 RCX: 1ff40000005eadca
[   95.094064][ T2136] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000010122e70
[   95.094312][ T2136] RBP: ff11000008e6a000 R08: 1fe22000020245cf R09: ff1100000c76ae80
[   95.094575][ T2136] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   95.094833][ T2136] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   95.095083][ T2136] FS:  00007fa5d75d4840(0000) GS:ff1100007b085000(0000) knlGS:0000000000000000
[   95.095373][ T2136] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   95.095606][ T2136] CR2: 000000000e7be988 CR3: 000000000c03b004 CR4: 0000000000771ef0
[   95.095864][ T2136] PKRU: 55555554
[   95.096012][ T2136] Call Trace:
[   95.096162][ T2136]  <TASK>
[   95.096280][ T2136]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[   95.096491][ T2136]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   95.096687][ T2136]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   95.096839][ T2136]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   95.097021][ T2136]  __dev_notify_flags (net/core/dev.c:9787)
[   95.097206][ T2136]  ? netif_change_name (net/core/dev.c:1495)
[   95.097388][ T2136]  ? __dev_change_flags (net/core/dev.c:9752)
[   95.097585][ T2136]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   95.097777][ T2136]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   95.097963][ T2136]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   95.098150][ T2136]  netif_change_flags (net/core/dev.c:9820)
[   95.098336][ T2136]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   95.098531][ T2136]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   95.098731][ T2136]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   95.098949][ T2136]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   95.099132][ T2136]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   95.099316][ T2136]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   95.099572][ T2136]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   95.099813][ T2136]  ? __kernel_text_address (kernel/extable.c:79)
[   95.100099][ T2136]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   95.100365][ T2136]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   95.100648][ T2136]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   95.100923][ T2136]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   95.101194][ T2136]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   95.101422][ T2136]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   95.101603][ T2136]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   95.101791][ T2136]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   95.101977][ T2136]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   95.102159][ T2136]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   95.102340][ T2136]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   95.102538][ T2136]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   95.102727][ T2136]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   95.102914][ T2136]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   95.103097][ T2136]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   95.103279][ T2136]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   95.103475][ T2136]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   95.103656][ T2136]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   95.103847][ T2136]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   95.104037][ T2136]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   95.104218][ T2136]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   95.104401][ T2136]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   95.104596][ T2136]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   95.104790][ T2136]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   95.104972][ T2136]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   95.105156][ T2136]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   95.105336][ T2136]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   95.105528][ T2136]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   95.105720][ T2136]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   95.105902][ T2136]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   95.106087][ T2136]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   95.106270][ T2136]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   95.106463][ T2136]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   95.106650][ T2136]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   95.106841][ T2136]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   95.107025][ T2136]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   95.107209][ T2136]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   95.107391][ T2136]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   95.107587][ T2136]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   95.107782][ T2136]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   95.107969][ T2136]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   95.108158][ T2136]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   95.108342][ T2136]  ? copy_msghdr_from_user (net/socket.c:2635)
[   95.108537][ T2136]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   95.108755][ T2136]  ? move_addr_to_kernel (net/socket.c:258)
[   95.108941][ T2136]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   95.109124][ T2136]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   95.109308][ T2136]  ___sys_sendmsg (net/socket.c:2752)
[   95.109504][ T2136]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   95.109725][ T2136]  ? copy_msghdr_from_user (net/socket.c:2603)
[   95.109920][ T2136]  __sys_sendmsg (net/socket.c:2784)
[   95.110111][ T2136]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   95.110291][ T2136]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   95.110528][ T2136]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   95.110720][ T2136]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   95.110905][ T2136]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   95.111086][ T2136]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   95.111268][ T2136]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   95.111462][ T2136]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   95.111684][ T2136] RIP: 0033:0x7fa5d780e08e
[   95.111874][ T2136] 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
[   95.112398][ T2136] RSP: 002b:00007ffdb224a3d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   95.112661][ T2136] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fa5d780e08e
[   95.112919][ T2136] RDX: 0000000000000000 RSI: 00007ffdb224a480 RDI: 0000000000000005
[   95.113167][ T2136] RBP: 00007ffdb224a3e0 R08: 0000000000000000 R09: 0000000000000000
[   95.113425][ T2136] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e838
[   95.113673][ T2136] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdb224ab40
| [   96.143030][  T164] ------------[ cut here ]------------
| [   96.143266][  T164] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: devlink_trap.sh/164
| [   96.143650][  T164] Modules linked in: netdevsim
| [   96.144207][  T164] Tainted: [W]=WARN
[   96.144323][  T164] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   96.144537][  T164] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   96.144744][  T164] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   96.145337][  T164] RSP: 0018:ffa00000008177c8 EFLAGS: 00010286
[   96.145537][  T164] RAX: 00000000ffffffa6 RBX: ff1100000c68a640 RCX: 1ff4000000102ebf
[   96.145772][  T164] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c68a6f0
[   96.146038][  T164] RBP: ff11000008e6a000 R08: 1fe22000018d14df R09: ff1100000c3aaf20
[   96.146359][  T164] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   96.146597][  T164] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000008178b8
[   96.146832][  T164] FS:  00007fd927d35b80(0000) GS:ff1100007af85000(0000) knlGS:0000000000000000
[   96.147101][  T164] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   96.147297][  T164] CR2: 000055924f5f4040 CR3: 00000000096a3006 CR4: 0000000000771ef0
[   96.147531][  T164] PKRU: 55555554
[   96.147647][  T164] Call Trace:
[   96.147769][  T164]  <TASK>
[   96.147849][  T164]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   96.148003][  T164]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   96.148118][  T164]  netif_close_many (net/core/dev.c:1804)
[   96.148273][  T164]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   96.148432][  T164]  ? __dev_close_many (net/core/dev.c:1781)
[   96.148582][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   96.148742][  T164]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   96.148893][  T164]  ? unregister_netdevice_many_notify (./include/linux/netdevice.h:2830 net/core/dev.c:12396)
[   96.149081][  T164]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   96.149267][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   96.149426][  T164]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   96.149576][  T164]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   96.149731][  T164]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   96.149881][  T164]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   96.150068][  T164]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[   96.150222][  T164]  ? netdev_run_todo (net/core/dev.c:11703)
[   96.150374][  T164]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   96.150531][  T164]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   96.150690][  T164]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[   96.150840][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   96.150989][  T164]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   96.151143][  T164] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[   96.151299][  T164]  ? kstrtouint (lib/kstrtox.c:233)
[   96.151460][  T164] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[   96.151650][  T164] nsim_drv_port_del (drivers/net/netdevsim/dev.c:1856) netdevsim
[   96.151845][  T164] del_port_store (drivers/net/netdevsim/bus.c:118) netdevsim
[   96.151998][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) fs/sysfs/file.c:24 (discriminator 2))
[   96.152149][  T164]  ? del_device_store (./include/linux/list.h:127 (discriminator 2)) netdevsim
[   96.152337][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[   96.152494][  T164]  ? sysfs_kf_write (fs/sysfs/file.c:137)
[   96.152646][  T164]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[   96.152802][  T164]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[   96.152956][  T164]  ? kernfs_ops (fs/kernfs/file.c:128)
[   96.153070][  T164]  new_sync_write (fs/read_write.c:595)
[   96.153222][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   96.153372][  T164]  ? new_sync_read (./include/linux/ioprio.h:41)
[   96.153531][  T164]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   96.153688][  T164]  ? ksys_write (fs/read_write.c:740)
[   96.153844][  T164]  vfs_write (fs/read_write.c:688)
[   96.153959][  T164]  ksys_write (fs/read_write.c:740)
[   96.154077][  T164]  ? __ia32_sys_read (fs/read_write.c:724)
[   96.154229][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   96.154379][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   96.154536][  T164]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   96.154692][  T164]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   96.154845][  T164]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   96.154998][  T164]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   96.155186][  T164] RIP: 0033:0x7fd927da708e
[   96.155348][  T164] 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
[   96.155897][  T164] RSP: 002b:00007ffca3d72d70 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   96.156127][  T164] RAX: ffffffffffffffda RBX: 00007fd927f29580 RCX: 00007fd927da708e
[   96.156355][  T164] RDX: 0000000000000002 RSI: 000055924f5f4040 RDI: 0000000000000001
[   96.156586][  T164] RBP: 00007ffca3d72d80 R08: 0000000000000000 R09: 0000000000000000
[   96.156817][  T164] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002
[   96.157041][  T164] R13: 0000000000000002 R14: 000055924f5f4040 R15: 0000000000000000
| [   96.161531][  T164] ------------[ cut here ]------------
| [   96.161732][  T164] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: devlink_trap.sh/164
| [   96.162024][  T164] Modules linked in: netdevsim
| [   96.162578][  T164] Tainted: [W]=WARN
[   96.162695][  T164] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   96.162873][  T164] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   96.163057][  T164] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   96.163591][  T164] RSP: 0018:ffa0000000817948 EFLAGS: 00010286
[   96.163854][  T164] RAX: 00000000ffffffa6 RBX: ff1100000c68adc0 RCX: 1ff4000000102eef
[   96.164091][  T164] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c68ae70
[   96.164307][  T164] RBP: ff11000008e6a000 R08: 1fe22000018d15cf R09: ff1100000c3aaef8
[   96.164528][  T164] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   96.164805][  T164] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   96.165018][  T164] FS:  00007fd927d35b80(0000) GS:ff1100007b005000(0000) knlGS:0000000000000000
[   96.165273][  T164] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   96.165459][  T164] CR2: 00007fd927f46f98 CR3: 00000000096a3005 CR4: 0000000000771ef0
[   96.165675][  T164] PKRU: 55555554
[   96.165792][  T164] Call Trace:
[   96.165900][  T164]  <TASK>
[   96.165974][  T164]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   96.166157][  T164]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   96.166335][  T164]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[   96.166488][  T164]  ? netdev_run_todo (net/core/dev.c:11703)
[   96.166633][  T164]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   96.166783][  T164]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   96.166928][  T164]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[   96.167070][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   96.167212][  T164]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   96.167359][  T164] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[   96.167512][  T164]  ? kstrtouint (lib/kstrtox.c:233)
[   96.167656][  T164] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[   96.167842][  T164] nsim_drv_port_del (drivers/net/netdevsim/dev.c:1856) netdevsim
[   96.168022][  T164] del_port_store (drivers/net/netdevsim/bus.c:118) netdevsim
[   96.168165][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) fs/sysfs/file.c:24 (discriminator 2))
[   96.168310][  T164]  ? del_device_store (./include/linux/list.h:127 (discriminator 2)) netdevsim
[   96.168495][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[   96.168638][  T164]  ? sysfs_kf_write (fs/sysfs/file.c:137)
[   96.168789][  T164]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[   96.168931][  T164]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[   96.169075][  T164]  ? kernfs_ops (fs/kernfs/file.c:128)
[   96.169183][  T164]  new_sync_write (fs/read_write.c:595)
[   96.169328][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   96.169481][  T164]  ? new_sync_read (./include/linux/ioprio.h:41)
[   96.169628][  T164]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   96.169776][  T164]  ? ksys_write (fs/read_write.c:740)
[   96.169925][  T164]  vfs_write (fs/read_write.c:688)
[   96.170035][  T164]  ksys_write (fs/read_write.c:740)
[   96.170145][  T164]  ? __ia32_sys_read (fs/read_write.c:724)
[   96.170288][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   96.170435][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   96.170578][  T164]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   96.170727][  T164]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   96.170872][  T164]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   96.171015][  T164]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   96.171193][  T164] RIP: 0033:0x7fd927da708e
[   96.171342][  T164] 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
[   96.171866][  T164] RSP: 002b:00007ffca3d72d70 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   96.172082][  T164] RAX: ffffffffffffffda RBX: 00007fd927f29580 RCX: 00007fd927da708e
[   96.172294][  T164] RDX: 0000000000000002 RSI: 000055924f5f4040 RDI: 0000000000000001
[   96.172515][  T164] RBP: 00007ffca3d72d80 R08: 0000000000000000 R09: 0000000000000000
[   96.172736][  T164] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002
[   96.172949][  T164] R13: 0000000000000002 R14: 000055924f5f4040 R15: 0000000000000000
| [   96.218822][  T164] ------------[ cut here ]------------
| [   96.219033][  T164] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: devlink_trap.sh/164
| [   96.219347][  T164] Modules linked in: netdevsim
| [   96.219880][  T164] Tainted: [W]=WARN
[   96.219990][  T164] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   96.220171][  T164] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   96.220357][  T164] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   96.220953][  T164] RSP: 0018:ffa0000000817858 EFLAGS: 00010286
[   96.221234][  T164] RAX: 00000000ffffffa6 RBX: ff1100000c6f8940 RCX: 1ff4000000102ed1
[   96.221504][  T164] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c6f89f0
[   96.221733][  T164] RBP: ff11000008b22000 R08: 1fe22000018df13f R09: ff1100000c3aaef8
[   96.221954][  T164] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   96.222167][  T164] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008b22000
[   96.222382][  T164] FS:  00007fd927d35b80(0000) GS:ff1100007b005000(0000) knlGS:0000000000000000
[   96.222649][  T164] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   96.222844][  T164] CR2: 000055924f4f2258 CR3: 00000000096a3005 CR4: 0000000000771ef0
[   96.223061][  T164] PKRU: 55555554
[   96.223170][  T164] Call Trace:
[   96.223280][  T164]  <TASK>
[   96.223356][  T164]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   96.223811][  T164]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   96.223924][  T164]  register_netdevice (net/core/dev.c:11488)
[   96.224075][  T164]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   96.224257][  T164]  ? __debugfs_create_file (fs/debugfs/inode.c:412 fs/debugfs/inode.c:452)
[   96.224406][  T164] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[   96.224615][  T164] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[   96.224768][  T164] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[   96.224954][  T164]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[   96.225142][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   96.225291][  T164]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[   96.225443][  T164] nsim_drv_port_add (drivers/net/netdevsim/dev.c:1839) netdevsim
[   96.225628][  T164] new_port_store (drivers/net/netdevsim/bus.c:96 (discriminator 3)) netdevsim
[   96.225781][  T164]  ? del_port_store (drivers/net/netdevsim/bus.c:120) netdevsim
[   96.225964][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[   96.226108][  T164]  ? sysfs_kf_write (fs/sysfs/file.c:137)
[   96.226254][  T164]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[   96.226404][  T164]  ? kernfs_ops (fs/kernfs/file.c:128)
[   96.226520][  T164]  new_sync_write (fs/read_write.c:595)
[   96.226670][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   96.226826][  T164]  ? new_sync_read (./include/linux/ioprio.h:41)
[   96.226974][  T164]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   96.227119][  T164]  ? ksys_write (fs/read_write.c:740)
[   96.227267][  T164]  vfs_write (fs/read_write.c:688)
[   96.227379][  T164]  ksys_write (fs/read_write.c:740)
[   96.227495][  T164]  ? __ia32_sys_read (fs/read_write.c:724)
[   96.227641][  T164]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   96.227791][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   96.227939][  T164]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   96.228083][  T164]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   96.228228][  T164]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   96.228373][  T164]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   96.228560][  T164] RIP: 0033:0x7fd927da708e
[   96.228716][  T164] 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
[   96.229238][  T164] RSP: 002b:00007ffca3d72e70 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   96.229459][  T164] RAX: ffffffffffffffda RBX: 00007fd927f29580 RCX: 00007fd927da708e
[   96.229676][  T164] RDX: 0000000000000002 RSI: 000055924f5f4040 RDI: 0000000000000001
[   96.229919][  T164] RBP: 00007ffca3d72e80 R08: 0000000000000000 R09: 0000000000000000
[   96.230133][  T164] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002
[   96.230346][  T164] R13: 0000000000000002 R14: 000055924f5f4040 R15: 0000000000000000
| [   96.386948][ T2144] ------------[ cut here ]------------
| [   96.387129][ T2144] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/2144
| [   96.387414][ T2144] Modules linked in: netdevsim
| [   96.387846][ T2144] Tainted: [W]=WARN
[   96.387950][ T2144] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   96.388120][ T2144] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   96.388298][ T2144] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   96.388803][ T2144] RSP: 0018:ffa0000002e07020 EFLAGS: 00010286
[   96.388977][ T2144] RAX: 00000000ffffffa6 RBX: ff1100000d419b40 RCX: 1ff40000005c0dca
[   96.389181][ T2144] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d419bf0
[   96.389386][ T2144] RBP: ff11000008b22000 R08: 1fe2200001a8337f R09: ff1100000c46d180
[   96.389594][ T2144] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   96.389806][ T2144] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   96.390011][ T2144] FS:  00007f00ac493840(0000) GS:ff1100007b105000(0000) knlGS:0000000000000000
[   96.390248][ T2144] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   96.390424][ T2144] CR2: 000000001905d988 CR3: 000000000b071005 CR4: 0000000000771ef0
[   96.390631][ T2144] PKRU: 55555554
[   96.390738][ T2144] Call Trace:
[   96.390844][ T2144]  <TASK>
[   96.390916][ T2144]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   96.391055][ T2144]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   96.391160][ T2144]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   96.391299][ T2144]  __dev_notify_flags (net/core/dev.c:9787)
[   96.391442][ T2144]  ? netif_change_name (net/core/dev.c:1495)
[   96.391579][ T2144]  ? __dev_change_flags (net/core/dev.c:9752)
[   96.391720][ T2144]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   96.391856][ T2144]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   96.391992][ T2144]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   96.392131][ T2144]  netif_change_flags (net/core/dev.c:9820)
[   96.392268][ T2144]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   96.392407][ T2144]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   96.392552][ T2144]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   96.392726][ T2144]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   96.392866][ T2144]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   96.393003][ T2144]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   96.393138][ T2144]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   96.393273][ T2144]  ? __kernel_text_address (kernel/extable.c:79)
[   96.393417][ T2144]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   96.393557][ T2144]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   96.393697][ T2144]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   96.393833][ T2144]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   96.393969][ T2144]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   96.394105][ T2144]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   96.394240][ T2144]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   96.394376][ T2144]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   96.394521][ T2144]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   96.394658][ T2144]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   96.394797][ T2144]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   96.394936][ T2144]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   96.395075][ T2144]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   96.395215][ T2144]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   96.395354][ T2144]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   96.395494][ T2144]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   96.395631][ T2144]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   96.395770][ T2144]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   96.395906][ T2144]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   96.396046][ T2144]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   96.396182][ T2144]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   96.396320][ T2144]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   96.396461][ T2144]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   96.396602][ T2144]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   96.396744][ T2144]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   96.396882][ T2144]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   96.397018][ T2144]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   96.397155][ T2144]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   96.397293][ T2144]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   96.397434][ T2144]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   96.397573][ T2144]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   96.397716][ T2144]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   96.397855][ T2144]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   96.397998][ T2144]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   96.398138][ T2144]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   96.398278][ T2144]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   96.398420][ T2144]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   96.398558][ T2144]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   96.398701][ T2144]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   96.398840][ T2144]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   96.398979][ T2144]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   96.399120][ T2144]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   96.399257][ T2144]  ? copy_msghdr_from_user (net/socket.c:2635)
[   96.399393][ T2144]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   96.399567][ T2144]  ? move_addr_to_kernel (net/socket.c:258)
[   96.399710][ T2144]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   96.399848][ T2144]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   96.399989][ T2144]  ___sys_sendmsg (net/socket.c:2752)
[   96.400124][ T2144]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   96.400294][ T2144]  ? copy_msghdr_from_user (net/socket.c:2603)
[   96.400449][ T2144]  __sys_sendmsg (net/socket.c:2784)
[   96.400588][ T2144]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   96.400728][ T2144]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   96.400904][ T2144]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   96.401041][ T2144]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   96.401178][ T2144]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   96.401315][ T2144]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   96.401456][ T2144]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   96.401593][ T2144]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   96.401767][ T2144] RIP: 0033:0x7f00ac6cd08e
[   96.401912][ T2144] 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
[   96.402395][ T2144] RSP: 002b:00007fff2b539200 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   96.402606][ T2144] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f00ac6cd08e
[   96.402818][ T2144] RDX: 0000000000000000 RSI: 00007fff2b5392b0 RDI: 0000000000000005
[   96.403021][ T2144] RBP: 00007fff2b539210 R08: 0000000000000000 R09: 0000000000000000
[   96.403226][ T2144] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e839
[   96.403437][ T2144] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff2b539970
| [   97.440516][  T164] ------------[ cut here ]------------
| [   97.440721][  T164] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: devlink_trap.sh/164
| [   97.441021][  T164] Modules linked in: netdevsim
| [   97.441623][  T164] Tainted: [W]=WARN
[   97.441739][  T164] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   97.441926][  T164] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   97.442124][  T164] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   97.442651][  T164] RSP: 0018:ffa00000008177c8 EFLAGS: 00010286
[   97.442844][  T164] RAX: 00000000ffffffa6 RBX: ff1100000d4181c0 RCX: 1ff4000000102ebf
[   97.443068][  T164] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d418270
[   97.443288][  T164] RBP: ff11000008b22000 R08: 1fe2200001a8304f R09: ff1100000c3aaf20
[   97.443523][  T164] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   97.443748][  T164] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000008178b8
[   97.443970][  T164] FS:  00007fd927d35b80(0000) GS:ff1100007b105000(0000) knlGS:0000000000000000
[   97.444228][  T164] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   97.444423][  T164] CR2: 000055924f5f4040 CR3: 00000000096a3003 CR4: 0000000000771ef0
[   97.444645][  T164] PKRU: 55555554
[   97.444763][  T164] Call Trace:
[   97.444877][  T164]  <TASK>
[   97.444958][  T164]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   97.445112][  T164]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   97.445228][  T164]  netif_close_many (net/core/dev.c:1804)
[   97.445380][  T164]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   97.445532][  T164]  ? __dev_close_many (net/core/dev.c:1781)
[   97.445677][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   97.445834][  T164]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   97.445982][  T164]  ? unregister_netdevice_many_notify (./include/linux/netdevice.h:2830 net/core/dev.c:12396)
[   97.446163][  T164]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   97.446342][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.446498][  T164]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   97.446643][  T164]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   97.446798][  T164]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   97.446943][  T164]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   97.447124][  T164]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[   97.447270][  T164]  ? netdev_run_todo (net/core/dev.c:11703)
[   97.447421][  T164]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   97.447567][  T164]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   97.447722][  T164]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[   97.447868][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.448013][  T164]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   97.448161][  T164] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[   97.448312][  T164]  ? kstrtouint (lib/kstrtox.c:233)
[   97.448465][  T164] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[   97.448649][  T164] nsim_drv_port_del (drivers/net/netdevsim/dev.c:1856) netdevsim
[   97.448861][  T164] del_port_store (drivers/net/netdevsim/bus.c:118) netdevsim
[   97.449007][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) fs/sysfs/file.c:24 (discriminator 2))
[   97.449155][  T164]  ? del_device_store (./include/linux/list.h:127 (discriminator 2)) netdevsim
[   97.449338][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[   97.449491][  T164]  ? sysfs_kf_write (fs/sysfs/file.c:137)
[   97.449638][  T164]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[   97.449790][  T164]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[   97.449941][  T164]  ? kernfs_ops (fs/kernfs/file.c:128)
[   97.450051][  T164]  new_sync_write (fs/read_write.c:595)
[   97.450198][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   97.450344][  T164]  ? new_sync_read (./include/linux/ioprio.h:41)
[   97.450495][  T164]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   97.450640][  T164]  ? ksys_write (fs/read_write.c:740)
[   97.450796][  T164]  vfs_write (fs/read_write.c:688)
[   97.450935][  T164]  ksys_write (fs/read_write.c:740)
[   97.451052][  T164]  ? __ia32_sys_read (fs/read_write.c:724)
[   97.451201][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.451349][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.451503][  T164]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   97.451651][  T164]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   97.451805][  T164]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   97.451956][  T164]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   97.452142][  T164] RIP: 0033:0x7fd927da708e
[   97.452302][  T164] 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
[   97.452842][  T164] RSP: 002b:00007ffca3d72d70 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   97.453066][  T164] RAX: ffffffffffffffda RBX: 00007fd927f29580 RCX: 00007fd927da708e
[   97.453292][  T164] RDX: 0000000000000002 RSI: 000055924f5f4040 RDI: 0000000000000001
[   97.453521][  T164] RBP: 00007ffca3d72d80 R08: 0000000000000000 R09: 0000000000000000
[   97.453750][  T164] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002
[   97.453974][  T164] R13: 0000000000000002 R14: 000055924f5f4040 R15: 0000000000000000
| [   97.458721][  T164] ------------[ cut here ]------------
| [   97.458876][  T164] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: devlink_trap.sh/164
| [   97.459160][  T164] Modules linked in: netdevsim
| [   97.459925][  T164] Tainted: [W]=WARN
[   97.460036][  T164] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   97.460214][  T164] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   97.460398][  T164] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   97.460911][  T164] RSP: 0018:ffa0000000817948 EFLAGS: 00010286
[   97.461091][  T164] RAX: 00000000ffffffa6 RBX: ff1100000b2d41c0 RCX: 1ff4000000102eef
[   97.461303][  T164] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b2d4270
[   97.461521][  T164] RBP: ff11000008b22000 R08: 1fe220000165a84f R09: ff1100000c3aaef8
[   97.461736][  T164] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   97.461948][  T164] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   97.462161][  T164] FS:  00007fd927d35b80(0000) GS:ff1100007b105000(0000) knlGS:0000000000000000
[   97.462417][  T164] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   97.462595][  T164] CR2: 000055924f5f4040 CR3: 00000000096a3003 CR4: 0000000000771ef0
[   97.462818][  T164] PKRU: 55555554
[   97.462924][  T164] Call Trace:
[   97.463030][  T164]  <TASK>
[   97.463104][  T164]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   97.463286][  T164]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   97.463467][  T164]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[   97.463609][  T164]  ? netdev_run_todo (net/core/dev.c:11703)
[   97.463756][  T164]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   97.463900][  T164]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   97.464044][  T164]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[   97.464186][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.464329][  T164]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   97.464481][  T164] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[   97.464626][  T164]  ? kstrtouint (lib/kstrtox.c:233)
[   97.464776][  T164] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[   97.464956][  T164] nsim_drv_port_del (drivers/net/netdevsim/dev.c:1856) netdevsim
[   97.465134][  T164] del_port_store (drivers/net/netdevsim/bus.c:118) netdevsim
[   97.465276][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) fs/sysfs/file.c:24 (discriminator 2))
[   97.465424][  T164]  ? del_device_store (./include/linux/list.h:127 (discriminator 2)) netdevsim
[   97.465605][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[   97.465755][  T164]  ? sysfs_kf_write (fs/sysfs/file.c:137)
[   97.465898][  T164]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[   97.466038][  T164]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[   97.466181][  T164]  ? kernfs_ops (fs/kernfs/file.c:128)
[   97.466288][  T164]  new_sync_write (fs/read_write.c:595)
[   97.466437][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   97.466579][  T164]  ? new_sync_read (./include/linux/ioprio.h:41)
[   97.466731][  T164]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   97.466874][  T164]  ? ksys_write (fs/read_write.c:740)
[   97.467020][  T164]  vfs_write (fs/read_write.c:688)
[   97.467129][  T164]  ksys_write (fs/read_write.c:740)
[   97.467236][  T164]  ? __ia32_sys_read (fs/read_write.c:724)
[   97.467377][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.467524][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.467666][  T164]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   97.467817][  T164]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   97.467959][  T164]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   97.468099][  T164]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   97.468274][  T164] RIP: 0033:0x7fd927da708e
[   97.468425][  T164] 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
[   97.468931][  T164] RSP: 002b:00007ffca3d72d70 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   97.469144][  T164] RAX: ffffffffffffffda RBX: 00007fd927f29580 RCX: 00007fd927da708e
[   97.469354][  T164] RDX: 0000000000000002 RSI: 000055924f5f4040 RDI: 0000000000000001
[   97.469570][  T164] RBP: 00007ffca3d72d80 R08: 0000000000000000 R09: 0000000000000000
[   97.469787][  T164] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002
[   97.469997][  T164] R13: 0000000000000002 R14: 000055924f5f4040 R15: 0000000000000000
| [   97.491715][  T164] ------------[ cut here ]------------
| [   97.491935][  T164] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: devlink_trap.sh/164
| [   97.492276][  T164] Modules linked in: netdevsim
| [   97.493110][  T164] Tainted: [W]=WARN
[   97.493268][  T164] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   97.493513][  T164] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   97.493760][  T164] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   97.494330][  T164] RSP: 0018:ffa0000000817858 EFLAGS: 00010286
[   97.494572][  T164] RAX: 00000000ffffffa6 RBX: ff1100000b0139c0 RCX: 1ff4000000102ed1
[   97.494849][  T164] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b013a70
[   97.495114][  T164] RBP: ff110000101da000 R08: 1fe220000160274f R09: ff1100000c3aaef8
[   97.495379][  T164] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   97.495657][  T164] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000101da000
[   97.495938][  T164] FS:  00007fd927d35b80(0000) GS:ff1100007b085000(0000) knlGS:0000000000000000
[   97.496242][  T164] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   97.496486][  T164] CR2: 000056438a5ad018 CR3: 00000000096a3001 CR4: 0000000000771ef0
[   97.496766][  T164] PKRU: 55555554
[   97.496924][  T164] Call Trace:
[   97.497085][  T164]  <TASK>
[   97.497210][  T164]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   97.497423][  T164]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   97.497586][  T164]  register_netdevice (net/core/dev.c:11488)
[   97.497798][  T164]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   97.498027][  T164]  ? __debugfs_create_file (fs/debugfs/inode.c:412 fs/debugfs/inode.c:452)
[   97.498227][  T164] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[   97.498485][  T164] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[   97.498692][  T164] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[   97.498927][  T164]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[   97.499161][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   97.499362][  T164]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[   97.499572][  T164] nsim_drv_port_add (drivers/net/netdevsim/dev.c:1839) netdevsim
[   97.499815][  T164] new_port_store (drivers/net/netdevsim/bus.c:96 (discriminator 3)) netdevsim
[   97.500015][  T164]  ? del_port_store (drivers/net/netdevsim/bus.c:120) netdevsim
[   97.500248][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[   97.500456][  T164]  ? sysfs_kf_write (fs/sysfs/file.c:137)
[   97.500652][  T164]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[   97.500859][  T164]  ? kernfs_ops (fs/kernfs/file.c:128)
[   97.501019][  T164]  new_sync_write (fs/read_write.c:595)
[   97.501216][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   97.501480][  T164]  ? new_sync_read (./include/linux/ioprio.h:41)
[   97.501689][  T164]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   97.501886][  T164]  ? ksys_write (fs/read_write.c:740)
[   97.502084][  T164]  vfs_write (fs/read_write.c:688)
[   97.502245][  T164]  ksys_write (fs/read_write.c:740)
[   97.502423][  T164]  ? __ia32_sys_read (fs/read_write.c:724)
[   97.502615][  T164]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   97.502822][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.503022][  T164]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   97.503216][  T164]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   97.503423][  T164]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   97.503621][  T164]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   97.503864][  T164] RIP: 0033:0x7fd927da708e
[   97.504067][  T164] 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
[   97.504647][  T164] RSP: 002b:00007ffca3d72e70 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   97.504923][  T164] RAX: ffffffffffffffda RBX: 00007fd927f29580 RCX: 00007fd927da708e
[   97.505189][  T164] RDX: 0000000000000002 RSI: 000055924f5f4040 RDI: 0000000000000001
[   97.505463][  T164] RBP: 00007ffca3d72e80 R08: 0000000000000000 R09: 0000000000000000
[   97.505732][  T164] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002
[   97.506000][  T164] R13: 0000000000000002 R14: 000055924f5f4040 R15: 0000000000000000
| [   97.609618][ T2149] ------------[ cut here ]------------
| [   97.609839][ T2149] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/2149
| [   97.610153][ T2149] Modules linked in: netdevsim
| [   97.610668][ T2149] Tainted: [W]=WARN
[   97.610861][ T2149] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   97.611073][ T2149] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   97.611291][ T2149] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   97.611948][ T2149] RSP: 0018:ffa0000002d27020 EFLAGS: 00010286
[   97.612171][ T2149] RAX: 00000000ffffffa6 RBX: ff11000009272040 RCX: 1ff40000005a4dca
[   97.612888][ T2149] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000092720f0
[   97.613212][ T2149] RBP: ff110000101da000 R08: 1fe220000124e41f R09: ff1100000c3ad180
[   97.613466][ T2149] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   97.613716][ T2149] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   97.613976][ T2149] FS:  00007f769c316840(0000) GS:ff1100007b085000(0000) knlGS:0000000000000000
[   97.614377][ T2149] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   97.614708][ T2149] CR2: 0000000009ba4988 CR3: 0000000001efc003 CR4: 0000000000771ef0
[   97.615055][ T2149] PKRU: 55555554
[   97.615248][ T2149] Call Trace:
[   97.615394][ T2149]  <TASK>
[   97.615522][ T2149]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[   97.615711][ T2149]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   97.615894][ T2149]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   97.616042][ T2149]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   97.616224][ T2149]  __dev_notify_flags (net/core/dev.c:9787)
[   97.616420][ T2149]  ? netif_change_name (net/core/dev.c:1495)
[   97.616599][ T2149]  ? __dev_change_flags (net/core/dev.c:9752)
[   97.616822][ T2149]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   97.617002][ T2149]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   97.617182][ T2149]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   97.617364][ T2149]  netif_change_flags (net/core/dev.c:9820)
[   97.617562][ T2149]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   97.617753][ T2149]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   97.617933][ T2149]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   97.618145][ T2149]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   97.618325][ T2149]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   97.618517][ T2149]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   97.618706][ T2149]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   97.618886][ T2149]  ? __kernel_text_address (kernel/extable.c:79)
[   97.619066][ T2149]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   97.619247][ T2149]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   97.619438][ T2149]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   97.619652][ T2149]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.619839][ T2149]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   97.620018][ T2149]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.620201][ T2149]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.620382][ T2149]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   97.620575][ T2149]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   97.620764][ T2149]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   97.620945][ T2149]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   97.621128][ T2149]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   97.621310][ T2149]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   97.621506][ T2149]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   97.621699][ T2149]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   97.621878][ T2149]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   97.622059][ T2149]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   97.622237][ T2149]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   97.622429][ T2149]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   97.622612][ T2149]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   97.622794][ T2149]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   97.622978][ T2149]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   97.623158][ T2149]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   97.623341][ T2149]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   97.623536][ T2149]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   97.623724][ T2149]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   97.623904][ T2149]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   97.624083][ T2149]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   97.624265][ T2149]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   97.624460][ T2149]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   97.624642][ T2149]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   97.624829][ T2149]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   97.625010][ T2149]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   97.625192][ T2149]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   97.625371][ T2149]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   97.625563][ T2149]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   97.625756][ T2149]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   97.625936][ T2149]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   97.626117][ T2149]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   97.626297][ T2149]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   97.626493][ T2149]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   97.626676][ T2149]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   97.626867][ T2149]  ? copy_msghdr_from_user (net/socket.c:2635)
[   97.627046][ T2149]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   97.627260][ T2149]  ? move_addr_to_kernel (net/socket.c:258)
[   97.627454][ T2149]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   97.627635][ T2149]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   97.627824][ T2149]  ___sys_sendmsg (net/socket.c:2752)
[   97.628004][ T2149]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   97.628216][ T2149]  ? copy_msghdr_from_user (net/socket.c:2603)
[   97.628422][ T2149]  __sys_sendmsg (net/socket.c:2784)
[   97.628636][ T2149]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   97.628820][ T2149]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   97.629034][ T2149]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   97.629213][ T2149]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.629393][ T2149]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   97.629585][ T2149]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   97.629771][ T2149]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   97.629957][ T2149]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   97.630168][ T2149] RIP: 0033:0x7f769c55008e
[   97.630355][ T2149] 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
[   97.630887][ T2149] RSP: 002b:00007ffe42671a40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   97.631139][ T2149] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f769c55008e
[   97.631382][ T2149] RDX: 0000000000000000 RSI: 00007ffe42671af0 RDI: 0000000000000005
[   97.631637][ T2149] RBP: 00007ffe42671a50 R08: 0000000000000000 R09: 0000000000000000
[   97.631888][ T2149] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e83a
[   97.632134][ T2149] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe426721b0
| [   98.657829][  T164] ------------[ cut here ]------------
| [   98.658075][  T164] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: devlink_trap.sh/164
| [   98.658576][  T164] Modules linked in: netdevsim
| [   98.659367][  T164] Tainted: [W]=WARN
[   98.659752][  T164] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   98.660115][  T164] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   98.660477][  T164] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   98.661040][  T164] RSP: 0018:ffa00000008177c8 EFLAGS: 00010286
[   98.661271][  T164] RAX: 00000000ffffffa6 RBX: ff110000092721c0 RCX: 1ff4000000102ebf
[   98.661550][  T164] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009272270
[   98.661834][  T164] RBP: ff110000101da000 R08: 1fe220000124e44f R09: ff1100000c3aaf20
[   98.662101][  T164] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   98.662369][  T164] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000008178b8
[   98.662649][  T164] FS:  00007fd927d35b80(0000) GS:ff1100007b085000(0000) knlGS:0000000000000000
[   98.662959][  T164] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   98.663197][  T164] CR2: 000055924f5f4040 CR3: 00000000096a3001 CR4: 0000000000771ef0
[   98.663481][  T164] PKRU: 55555554
[   98.663637][  T164] Call Trace:
[   98.663802][  T164]  <TASK>
[   98.663927][  T164]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   98.664141][  T164]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   98.664301][  T164]  netif_close_many (net/core/dev.c:1804)
[   98.664506][  T164]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   98.664708][  T164]  ? __dev_close_many (net/core/dev.c:1781)
[   98.664903][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   98.665102][  T164]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   98.665297][  T164]  ? unregister_netdevice_many_notify (./include/linux/netdevice.h:2830 net/core/dev.c:12396)
[   98.665540][  T164]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   98.665775][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   98.665984][  T164]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   98.666182][  T164]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   98.666377][  T164]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   98.666587][  T164]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   98.666830][  T164]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[   98.667034][  T164]  ? netdev_run_todo (net/core/dev.c:11703)
[   98.667227][  T164]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   98.667433][  T164]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   98.667630][  T164]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[   98.667831][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   98.668027][  T164]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   98.668253][  T164] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[   98.668469][  T164]  ? kstrtouint (lib/kstrtox.c:233)
[   98.668664][  T164] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[   98.668939][  T164] nsim_drv_port_del (drivers/net/netdevsim/dev.c:1856) netdevsim
[   98.669182][  T164] del_port_store (drivers/net/netdevsim/bus.c:118) netdevsim
[   98.669379][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) fs/sysfs/file.c:24 (discriminator 2))
[   98.669590][  T164]  ? del_device_store (./include/linux/list.h:127 (discriminator 2)) netdevsim
[   98.669828][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[   98.670023][  T164]  ? sysfs_kf_write (fs/sysfs/file.c:137)
[   98.670218][  T164]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[   98.670428][  T164]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[   98.670629][  T164]  ? kernfs_ops (fs/kernfs/file.c:128)
[   98.670798][  T164]  new_sync_write (fs/read_write.c:595)
[   98.671008][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   98.671203][  T164]  ? new_sync_read (./include/linux/ioprio.h:41)
[   98.671397][  T164]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   98.671602][  T164]  ? ksys_write (fs/read_write.c:740)
[   98.671816][  T164]  vfs_write (fs/read_write.c:688)
[   98.671978][  T164]  ksys_write (fs/read_write.c:740)
[   98.672135][  T164]  ? __ia32_sys_read (fs/read_write.c:724)
[   98.672328][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   98.672535][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   98.672737][  T164]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   98.672930][  T164]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   98.673129][  T164]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   98.673325][  T164]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   98.673565][  T164] RIP: 0033:0x7fd927da708e
[   98.673772][  T164] 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
[   98.674328][  T164] RSP: 002b:00007ffca3d72d70 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   98.674608][  T164] RAX: ffffffffffffffda RBX: 00007fd927f29580 RCX: 00007fd927da708e
[   98.674881][  T164] RDX: 0000000000000002 RSI: 000055924f5f4040 RDI: 0000000000000001
[   98.675148][  T164] RBP: 00007ffca3d72d80 R08: 0000000000000000 R09: 0000000000000000
[   98.675429][  T164] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002
[   98.675700][  T164] R13: 0000000000000002 R14: 000055924f5f4040 R15: 0000000000000000
| [   98.686616][  T164] ------------[ cut here ]------------
| [   98.686804][  T164] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: devlink_trap.sh/164
| [   98.687090][  T164] Modules linked in: netdevsim
| [   98.687569][  T164] Tainted: [W]=WARN
[   98.687676][  T164] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   98.687856][  T164] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   98.688036][  T164] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   98.688545][  T164] RSP: 0018:ffa0000000817948 EFLAGS: 00010286
[   98.688730][  T164] RAX: 00000000ffffffa6 RBX: ff1100000d723840 RCX: 1ff4000000102eef
[   98.688938][  T164] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d7238f0
[   98.689146][  T164] RBP: ff110000101da000 R08: 1fe2200001ae471f R09: ff1100000c3aaef8
[   98.689356][  T164] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   98.689573][  T164] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   98.689791][  T164] FS:  00007fd927d35b80(0000) GS:ff1100007af85000(0000) knlGS:0000000000000000
[   98.690036][  T164] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   98.690211][  T164] CR2: 00007ffd46f54b88 CR3: 00000000096a3005 CR4: 0000000000771ef0
[   98.690424][  T164] PKRU: 55555554
[   98.690530][  T164] Call Trace:
[   98.690634][  T164]  <TASK>
[   98.690712][  T164]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   98.690893][  T164]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   98.691068][  T164]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[   98.691240][  T164]  ? netdev_run_todo (net/core/dev.c:11703)
[   98.691380][  T164]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   98.691524][  T164]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   98.691670][  T164]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[   98.691816][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   98.691953][  T164]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   98.692097][  T164] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[   98.692240][  T164]  ? kstrtouint (lib/kstrtox.c:233)
[   98.692379][  T164] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[   98.692560][  T164] nsim_drv_port_del (drivers/net/netdevsim/dev.c:1856) netdevsim
[   98.692773][  T164] del_port_store (drivers/net/netdevsim/bus.c:118) netdevsim
[   98.692913][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) fs/sysfs/file.c:24 (discriminator 2))
[   98.693062][  T164]  ? del_device_store (./include/linux/list.h:127 (discriminator 2)) netdevsim
[   98.693262][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[   98.693398][  T164]  ? sysfs_kf_write (fs/sysfs/file.c:137)
[   98.693541][  T164]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[   98.693680][  T164]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[   98.693828][  T164]  ? kernfs_ops (fs/kernfs/file.c:128)
[   98.693933][  T164]  new_sync_write (fs/read_write.c:595)
[   98.694073][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   98.694211][  T164]  ? new_sync_read (./include/linux/ioprio.h:41)
[   98.694354][  T164]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   98.694504][  T164]  ? ksys_write (fs/read_write.c:740)
[   98.694673][  T164]  vfs_write (fs/read_write.c:688)
[   98.694784][  T164]  ksys_write (fs/read_write.c:740)
[   98.694889][  T164]  ? __ia32_sys_read (fs/read_write.c:724)
[   98.695027][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   98.695162][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   98.695300][  T164]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   98.695442][  T164]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   98.695578][  T164]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   98.695721][  T164]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   98.695893][  T164] RIP: 0033:0x7fd927da708e
[   98.696035][  T164] 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
[   98.696544][  T164] RSP: 002b:00007ffca3d72d70 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   98.696756][  T164] RAX: ffffffffffffffda RBX: 00007fd927f29580 RCX: 00007fd927da708e
[   98.696966][  T164] RDX: 0000000000000002 RSI: 000055924f5f4040 RDI: 0000000000000001
[   98.697183][  T164] RBP: 00007ffca3d72d80 R08: 0000000000000000 R09: 0000000000000000
[   98.697387][  T164] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002
[   98.697595][  T164] R13: 0000000000000002 R14: 000055924f5f4040 R15: 0000000000000000
| [   98.722280][  T164] ------------[ cut here ]------------
| [   98.722471][  T164] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: devlink_trap.sh/164
| [   98.722788][  T164] Modules linked in: netdevsim
| [   98.723266][  T164] Tainted: [W]=WARN
[   98.723374][  T164] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   98.723558][  T164] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   98.723786][  T164] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   98.724297][  T164] RSP: 0018:ffa0000000817858 EFLAGS: 00010286
[   98.724483][  T164] RAX: 00000000ffffffa6 RBX: ff11000004b7ec40 RCX: 1ff4000000102ed1
[   98.724702][  T164] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004b7ecf0
[   98.724932][  T164] RBP: ff1100000cc92000 R08: 1fe220000096fd9f R09: 0000000000000000
[   98.725187][  T164] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   98.725403][  T164] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000cc92000
[   98.725655][  T164] FS:  00007fd927d35b80(0000) GS:ff1100007af85000(0000) knlGS:0000000000000000
[   98.725924][  T164] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   98.726103][  T164] CR2: 000055924f4e7e98 CR3: 00000000096a3005 CR4: 0000000000771ef0
[   98.726334][  T164] PKRU: 55555554
[   98.726448][  T164] Call Trace:
[   98.726556][  T164]  <TASK>
[   98.726633][  T164]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   98.726786][  T164]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   98.726905][  T164]  register_netdevice (net/core/dev.c:11488)
[   98.727049][  T164]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   98.727249][  T164]  ? __debugfs_create_file (fs/debugfs/inode.c:412 fs/debugfs/inode.c:452)
[   98.727399][  T164] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[   98.727588][  T164] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[   98.727736][  T164] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[   98.727918][  T164]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[   98.728100][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   98.728245][  T164]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[   98.728385][  T164] nsim_drv_port_add (drivers/net/netdevsim/dev.c:1839) netdevsim
[   98.728573][  T164] new_port_store (drivers/net/netdevsim/bus.c:96 (discriminator 3)) netdevsim
[   98.728728][  T164]  ? del_port_store (drivers/net/netdevsim/bus.c:120) netdevsim
[   98.728909][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[   98.729051][  T164]  ? sysfs_kf_write (fs/sysfs/file.c:137)
[   98.729195][  T164]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[   98.729338][  T164]  ? kernfs_ops (fs/kernfs/file.c:128)
[   98.729534][  T164]  new_sync_write (fs/read_write.c:595)
[   98.729682][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   98.729831][  T164]  ? new_sync_read (./include/linux/ioprio.h:41)
[   98.729975][  T164]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   98.730118][  T164]  ? ksys_write (fs/read_write.c:740)
[   98.730270][  T164]  vfs_write (fs/read_write.c:688)
[   98.730384][  T164]  ksys_write (fs/read_write.c:740)
[   98.730551][  T164]  ? __ia32_sys_read (fs/read_write.c:724)
[   98.730759][  T164]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   98.730905][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   98.731052][  T164]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   98.731198][  T164]  ? irq_exit_rcu (kernel/softirq.c:754)
[   98.731343][  T164]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   98.731579][  T164] RIP: 0033:0x7fd927da708e
[   98.731735][  T164] 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
[   98.732248][  T164] RSP: 002b:00007ffca3d72e70 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   98.732546][  T164] RAX: ffffffffffffffda RBX: 00007fd927f29580 RCX: 00007fd927da708e
[   98.732764][  T164] RDX: 0000000000000002 RSI: 000055924f5f4040 RDI: 0000000000000001
[   98.732979][  T164] RBP: 00007ffca3d72e80 R08: 0000000000000000 R09: 0000000000000000
[   98.733196][  T164] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002
[   98.733471][  T164] R13: 0000000000000002 R14: 000055924f5f4040 R15: 0000000000000000
| [   98.826360][ T2154] ------------[ cut here ]------------
| [   98.827214][ T2154] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/2154
| [   98.827613][ T2154] Modules linked in: netdevsim
| [   98.828144][ T2154] Tainted: [W]=WARN
[   98.828303][ T2154] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   98.828523][ T2154] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   98.828757][ T2154] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   98.829264][ T2154] RSP: 0018:ffa0000002fc7020 EFLAGS: 00010286
[   98.829490][ T2154] RAX: 00000000ffffffa6 RBX: ff110000092730c0 RCX: 1ff40000005f8dca
[   98.829736][ T2154] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009273170
[   98.829981][ T2154] RBP: ff1100000cc92000 R08: 1fe220000124e62f R09: ff1100000c425180
[   98.830222][ T2154] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   98.830474][ T2154] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   98.830726][ T2154] FS:  00007f62ff747840(0000) GS:ff1100007b085000(0000) knlGS:0000000000000000
[   98.831007][ T2154] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   98.831218][ T2154] CR2: 000000000e7b2988 CR3: 000000000cc1d005 CR4: 0000000000771ef0
[   98.831474][ T2154] PKRU: 55555554
[   98.831618][ T2154] Call Trace:
[   98.831768][ T2154]  <TASK>
[   98.831883][ T2154]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[   98.832067][ T2154]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   98.832249][ T2154]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   98.832396][ T2154]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   98.832586][ T2154]  __dev_notify_flags (net/core/dev.c:9787)
[   98.832776][ T2154]  ? netif_change_name (net/core/dev.c:1495)
[   98.832953][ T2154]  ? __dev_change_flags (net/core/dev.c:9752)
[   98.833133][ T2154]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   98.833312][ T2154]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   98.833503][ T2154]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   98.833683][ T2154]  netif_change_flags (net/core/dev.c:9820)
[   98.833871][ T2154]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   98.834053][ T2154]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   98.834232][ T2154]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   98.834455][ T2154]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   98.834636][ T2154]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   98.834823][ T2154]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   98.835000][ T2154]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   98.835178][ T2154]  ? __kernel_text_address (kernel/extable.c:79)
[   98.835357][ T2154]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   98.835550][ T2154]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   98.835735][ T2154]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   98.835917][ T2154]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   98.836094][ T2154]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   98.836285][ T2154]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   98.836478][ T2154]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   98.836658][ T2154]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   98.836843][ T2154]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   98.837019][ T2154]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   98.837197][ T2154]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   98.837379][ T2154]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   98.837571][ T2154]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   98.837759][ T2154]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   98.837953][ T2154]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   98.838128][ T2154]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   98.838307][ T2154]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   98.838493][ T2154]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   98.838672][ T2154]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   98.838864][ T2154]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   98.839041][ T2154]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   98.839221][ T2154]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   98.839399][ T2154]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   98.839606][ T2154]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   98.839791][ T2154]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   98.839969][ T2154]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   98.840152][ T2154]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   98.840330][ T2154]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   98.840524][ T2154]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   98.840707][ T2154]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   98.840888][ T2154]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   98.841068][ T2154]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   98.841248][ T2154]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   98.841441][ T2154]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   98.841622][ T2154]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   98.841824][ T2154]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   98.842006][ T2154]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   98.842187][ T2154]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   98.842367][ T2154]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   98.842559][ T2154]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   98.842757][ T2154]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   98.842943][ T2154]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   98.843122][ T2154]  ? copy_msghdr_from_user (net/socket.c:2635)
[   98.843298][ T2154]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   98.843519][ T2154]  ? move_addr_to_kernel (net/socket.c:258)
[   98.843706][ T2154]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   98.843886][ T2154]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   98.844068][ T2154]  ___sys_sendmsg (net/socket.c:2752)
[   98.844248][ T2154]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   98.844471][ T2154]  ? copy_msghdr_from_user (net/socket.c:2603)
[   98.844661][ T2154]  __sys_sendmsg (net/socket.c:2784)
[   98.844849][ T2154]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   98.845024][ T2154]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   98.845236][ T2154]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   98.845428][ T2154]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   98.845609][ T2154]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   98.845793][ T2154]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   98.845970][ T2154]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   98.846150][ T2154]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   98.846358][ T2154] RIP: 0033:0x7f62ff98108e
[   98.846554][ T2154] 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
[   98.847071][ T2154] RSP: 002b:00007ffc099cf8e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   98.847314][ T2154] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f62ff98108e
[   98.847570][ T2154] RDX: 0000000000000000 RSI: 00007ffc099cf990 RDI: 0000000000000005
[   98.847820][ T2154] RBP: 00007ffc099cf8f0 R08: 0000000000000000 R09: 0000000000000000
[   98.848065][ T2154] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e83c
[   98.848304][ T2154] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc099d0050
| [   99.874526][  T164] ------------[ cut here ]------------
| [   99.874756][  T164] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: devlink_trap.sh/164
| [   99.875072][  T164] Modules linked in: netdevsim
| [   99.875596][  T164] Tainted: [W]=WARN
[   99.875717][  T164] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   99.875915][  T164] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   99.876108][  T164] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   99.876646][  T164] RSP: 0018:ffa00000008177c8 EFLAGS: 00010286
[   99.876842][  T164] RAX: 00000000ffffffa6 RBX: ff1100000d7f4940 RCX: 1ff4000000102ebf
[   99.877068][  T164] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d7f49f0
[   99.877297][  T164] RBP: ff1100000cc92000 R08: 1fe2200001afe93f R09: ff1100000c3aaf20
[   99.877548][  T164] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   99.877772][  T164] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000008178b8
[   99.878001][  T164] FS:  00007fd927d35b80(0000) GS:ff1100007af85000(0000) knlGS:0000000000000000
[   99.878270][  T164] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   99.878472][  T164] CR2: 000055924f5f4040 CR3: 00000000096a3005 CR4: 0000000000771ef0
[   99.878703][  T164] PKRU: 55555554
[   99.878820][  T164] Call Trace:
[   99.878934][  T164]  <TASK>
[   99.879014][  T164]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   99.879168][  T164]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   99.879280][  T164]  netif_close_many (net/core/dev.c:1804)
[   99.879437][  T164]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   99.879592][  T164]  ? __dev_close_many (net/core/dev.c:1781)
[   99.879748][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   99.879902][  T164]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   99.880051][  T164]  ? unregister_netdevice_many_notify (./include/linux/netdevice.h:2830 net/core/dev.c:12396)
[   99.880241][  T164]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   99.880435][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   99.880583][  T164]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   99.880735][  T164]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   99.880884][  T164]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   99.881035][  T164]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   99.881222][  T164]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[   99.881371][  T164]  ? netdev_run_todo (net/core/dev.c:11703)
[   99.881529][  T164]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   99.881675][  T164]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   99.881834][  T164]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[   99.881985][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   99.882133][  T164]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   99.882281][  T164] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[   99.882441][  T164]  ? kstrtouint (lib/kstrtox.c:233)
[   99.882596][  T164] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[   99.882788][  T164] nsim_drv_port_del (drivers/net/netdevsim/dev.c:1856) netdevsim
[   99.882976][  T164] del_port_store (drivers/net/netdevsim/bus.c:118) netdevsim
[   99.883125][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) fs/sysfs/file.c:24 (discriminator 2))
[   99.883277][  T164]  ? del_device_store (./include/linux/list.h:127 (discriminator 2)) netdevsim
[   99.883470][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[   99.883617][  T164]  ? sysfs_kf_write (fs/sysfs/file.c:137)
[   99.883772][  T164]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[   99.883921][  T164]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[   99.884074][  T164]  ? kernfs_ops (fs/kernfs/file.c:128)
[   99.884186][  T164]  new_sync_write (fs/read_write.c:595)
[   99.884339][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   99.884493][  T164]  ? new_sync_read (./include/linux/ioprio.h:41)
[   99.884643][  T164]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   99.884806][  T164]  ? ksys_write (fs/read_write.c:740)
[   99.884959][  T164]  vfs_write (fs/read_write.c:688)
[   99.885072][  T164]  ksys_write (fs/read_write.c:740)
[   99.885184][  T164]  ? __ia32_sys_read (fs/read_write.c:724)
[   99.885333][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   99.885492][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   99.885643][  T164]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   99.885802][  T164]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   99.885950][  T164]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   99.886102][  T164]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   99.886293][  T164] RIP: 0033:0x7fd927da708e
[   99.886456][  T164] 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
[   99.886984][  T164] RSP: 002b:00007ffca3d72d70 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   99.887213][  T164] RAX: ffffffffffffffda RBX: 00007fd927f29580 RCX: 00007fd927da708e
[   99.887442][  T164] RDX: 0000000000000002 RSI: 000055924f5f4040 RDI: 0000000000000001
[   99.887664][  T164] RBP: 00007ffca3d72d80 R08: 0000000000000000 R09: 0000000000000000
[   99.887894][  T164] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002
[   99.888114][  T164] R13: 0000000000000002 R14: 000055924f5f4040 R15: 0000000000000000
| [   99.892843][  T164] ------------[ cut here ]------------
| [   99.893022][  T164] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: devlink_trap.sh/164
| [   99.893293][  T164] Modules linked in: netdevsim
| [   99.893766][  T164] Tainted: [W]=WARN
[   99.893872][  T164] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   99.894047][  T164] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   99.894229][  T164] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   99.894759][  T164] RSP: 0018:ffa0000000817948 EFLAGS: 00010286
[   99.894940][  T164] RAX: 00000000ffffffa6 RBX: ff1100000d7f59c0 RCX: 1ff4000000102eef
[   99.895155][  T164] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d7f5a70
[   99.895366][  T164] RBP: ff1100000cc92000 R08: 1fe2200001afeb4f R09: ff1100000c3aaef8
[   99.895585][  T164] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   99.895802][  T164] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   99.896018][  T164] FS:  00007fd927d35b80(0000) GS:ff1100007af85000(0000) knlGS:0000000000000000
[   99.896267][  T164] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   99.896460][  T164] CR2: 000055924f5f4040 CR3: 00000000096a3005 CR4: 0000000000771ef0
[   99.896674][  T164] PKRU: 55555554
[   99.896787][  T164] Call Trace:
[   99.896895][  T164]  <TASK>
[   99.896969][  T164]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   99.897150][  T164]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   99.897326][  T164]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[   99.897475][  T164]  ? netdev_run_todo (net/core/dev.c:11703)
[   99.897617][  T164]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   99.897764][  T164]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   99.897909][  T164]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[   99.898053][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   99.898195][  T164]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   99.898340][  T164] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[   99.898492][  T164]  ? kstrtouint (lib/kstrtox.c:233)
[   99.898636][  T164] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[   99.898858][  T164] nsim_drv_port_del (drivers/net/netdevsim/dev.c:1856) netdevsim
[   99.899036][  T164] del_port_store (drivers/net/netdevsim/bus.c:118) netdevsim
[   99.899184][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) fs/sysfs/file.c:24 (discriminator 2))
[   99.899326][  T164]  ? del_device_store (./include/linux/list.h:127 (discriminator 2)) netdevsim
[   99.900044][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[   99.900189][  T164]  ? sysfs_kf_write (fs/sysfs/file.c:137)
[   99.900330][  T164]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[   99.900529][  T164]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[   99.900670][  T164]  ? kernfs_ops (fs/kernfs/file.c:128)
[   99.900785][  T164]  new_sync_write (fs/read_write.c:595)
[   99.900931][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   99.901072][  T164]  ? new_sync_read (./include/linux/ioprio.h:41)
[   99.901214][  T164]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   99.901355][  T164]  ? ksys_write (fs/read_write.c:740)
[   99.901560][  T164]  vfs_write (fs/read_write.c:688)
[   99.901669][  T164]  ksys_write (fs/read_write.c:740)
[   99.901780][  T164]  ? __ia32_sys_read (fs/read_write.c:724)
[   99.901924][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   99.902064][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   99.902263][  T164]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   99.902404][  T164]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   99.902604][  T164]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   99.902752][  T164]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   99.902928][  T164] RIP: 0033:0x7fd927da708e
[   99.903075][  T164] 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
[   99.903637][  T164] RSP: 002b:00007ffca3d72d70 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   99.903857][  T164] RAX: ffffffffffffffda RBX: 00007fd927f29580 RCX: 00007fd927da708e
[   99.904068][  T164] RDX: 0000000000000002 RSI: 000055924f5f4040 RDI: 0000000000000001
[   99.904280][  T164] RBP: 00007ffca3d72d80 R08: 0000000000000000 R09: 0000000000000000
[   99.904556][  T164] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002
[   99.904773][  T164] R13: 0000000000000002 R14: 000055924f5f4040 R15: 0000000000000000
| [   99.928273][  T164] ------------[ cut here ]------------
| [   99.929101][  T164] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: devlink_trap.sh/164
| [   99.929472][  T164] Modules linked in: netdevsim
| [   99.929967][  T164] Tainted: [W]=WARN
[   99.930079][  T164] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   99.930264][  T164] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   99.930463][  T164] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   99.931000][  T164] RSP: 0018:ffa0000000817858 EFLAGS: 00010286
[   99.931186][  T164] RAX: 00000000ffffffa6 RBX: ff1100000c6f8f40 RCX: 1ff4000000102ed1
[   99.931419][  T164] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c6f8ff0
[   99.931641][  T164] RBP: ff1100000f57a000 R08: 1fe22000018df1ff R09: ff1100000c3aaef8
[   99.931868][  T164] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   99.932086][  T164] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f57a000
[   99.932310][  T164] FS:  00007fd927d35b80(0000) GS:ff1100007af85000(0000) knlGS:0000000000000000
[   99.932575][  T164] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   99.932767][  T164] CR2: 000055924f4f2258 CR3: 00000000096a3005 CR4: 0000000000771ef0
[   99.932991][  T164] PKRU: 55555554
[   99.933104][  T164] Call Trace:
[   99.933221][  T164]  <TASK>
[   99.933302][  T164]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   99.933463][  T164]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   99.933579][  T164]  register_netdevice (net/core/dev.c:11488)
[   99.933736][  T164]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   99.933921][  T164]  ? __debugfs_create_file (fs/debugfs/inode.c:412 fs/debugfs/inode.c:452)
[   99.934074][  T164] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[   99.934264][  T164] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[   99.934423][  T164] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[   99.934611][  T164]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[   99.934807][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   99.934958][  T164]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[   99.935106][  T164] nsim_drv_port_add (drivers/net/netdevsim/dev.c:1839) netdevsim
[   99.935293][  T164] new_port_store (drivers/net/netdevsim/bus.c:96 (discriminator 3)) netdevsim
[   99.935449][  T164]  ? del_port_store (drivers/net/netdevsim/bus.c:120) netdevsim
[   99.935638][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[   99.935792][  T164]  ? sysfs_kf_write (fs/sysfs/file.c:137)
[   99.935942][  T164]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[   99.936091][  T164]  ? kernfs_ops (fs/kernfs/file.c:128)
[   99.936203][  T164]  new_sync_write (fs/read_write.c:595)
[   99.936352][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   99.936506][  T164]  ? new_sync_read (./include/linux/ioprio.h:41)
[   99.936655][  T164]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   99.936811][  T164]  ? ksys_write (fs/read_write.c:740)
[   99.936965][  T164]  vfs_write (fs/read_write.c:688)
[   99.937079][  T164]  ksys_write (fs/read_write.c:740)
[   99.937191][  T164]  ? __ia32_sys_read (fs/read_write.c:724)
[   99.937338][  T164]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   99.937492][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   99.937642][  T164]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   99.937795][  T164]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   99.937943][  T164]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   99.938094][  T164]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   99.938277][  T164] RIP: 0033:0x7fd927da708e
[   99.938438][  T164] 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
[   99.938967][  T164] RSP: 002b:00007ffca3d72e70 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   99.939192][  T164] RAX: ffffffffffffffda RBX: 00007fd927f29580 RCX: 00007fd927da708e
[   99.939418][  T164] RDX: 0000000000000002 RSI: 000055924f5f4040 RDI: 0000000000000001
[   99.939746][  T164] RBP: 00007ffca3d72e80 R08: 0000000000000000 R09: 0000000000000000
[   99.940066][  T164] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002
[   99.940288][  T164] R13: 0000000000000002 R14: 000055924f5f4040 R15: 0000000000000000
| [  100.119164][ T2160] ------------[ cut here ]------------
| [  100.119341][ T2160] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/2160
| [  100.119624][ T2160] Modules linked in: netdevsim
| [  100.120054][ T2160] Tainted: [W]=WARN
[  100.120157][ T2160] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  100.120328][ T2160] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  100.120512][ T2160] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  100.121001][ T2160] RSP: 0018:ffa0000003017020 EFLAGS: 00010286
[  100.121178][ T2160] RAX: 00000000ffffffa6 RBX: ff1100000b2d4940 RCX: 1ff4000000602dca
[  100.121383][ T2160] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b2d49f0
[  100.121592][ T2160] RBP: ff1100000f57a000 R08: 1fe220000165a93f R09: ff1100000beb5180
[  100.121801][ T2160] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[  100.122009][ T2160] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[  100.122217][ T2160] FS:  00007f7dfff69840(0000) GS:ff1100007af85000(0000) knlGS:0000000000000000
[  100.122470][ T2160] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  100.122643][ T2160] CR2: 0000000009280988 CR3: 000000000be76003 CR4: 0000000000771ef0
[  100.122853][ T2160] PKRU: 55555554
[  100.122955][ T2160] Call Trace:
[  100.123058][ T2160]  <TASK>
[  100.123130][ T2160]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  100.123269][ T2160]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  100.123376][ T2160]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  100.123519][ T2160]  __dev_notify_flags (net/core/dev.c:9787)
[  100.123658][ T2160]  ? netif_change_name (net/core/dev.c:1495)
[  100.123797][ T2160]  ? __dev_change_flags (net/core/dev.c:9752)
[  100.123934][ T2160]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[  100.124069][ T2160]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.124206][ T2160]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[  100.124346][ T2160]  netif_change_flags (net/core/dev.c:9820)
[  100.124489][ T2160]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[  100.124627][ T2160]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  100.124767][ T2160]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  100.124936][ T2160]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  100.125072][ T2160]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  100.125207][ T2160]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  100.125342][ T2160]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  100.125485][ T2160]  ? __kernel_text_address (kernel/extable.c:79)
[  100.125622][ T2160]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  100.125765][ T2160]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.125902][ T2160]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  100.126038][ T2160]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.126173][ T2160]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  100.126308][ T2160]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.126501][ T2160]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.126636][ T2160]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  100.126775][ T2160]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  100.126912][ T2160]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  100.127046][ T2160]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  100.127182][ T2160]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  100.127319][ T2160]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  100.127511][ T2160]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  100.127649][ T2160]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.127786][ T2160]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.127922][ T2160]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  100.128058][ T2160]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  100.128193][ T2160]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.128330][ T2160]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.128559][ T2160]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.128697][ T2160]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  100.128834][ T2160]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.128971][ T2160]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  100.129104][ T2160]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  100.129239][ T2160]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  100.129375][ T2160]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  100.129587][ T2160]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  100.129732][ T2160]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.129867][ T2160]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.130003][ T2160]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  100.130138][ T2160]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  100.130274][ T2160]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  100.130498][ T2160]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  100.130635][ T2160]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  100.130776][ T2160]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  100.130913][ T2160]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  100.131048][ T2160]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  100.131184][ T2160]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  100.131321][ T2160]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  100.131532][ T2160]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  100.131671][ T2160]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  100.131813][ T2160]  ? copy_msghdr_from_user (net/socket.c:2635)
[  100.131951][ T2160]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  100.132119][ T2160]  ? move_addr_to_kernel (net/socket.c:258)
[  100.132255][ T2160]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  100.132392][ T2160]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  100.132596][ T2160]  ___sys_sendmsg (net/socket.c:2752)
[  100.132735][ T2160]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  100.132906][ T2160]  ? copy_msghdr_from_user (net/socket.c:2603)
[  100.133056][ T2160]  __sys_sendmsg (net/socket.c:2784)
[  100.133192][ T2160]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  100.133327][ T2160]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  100.133578][ T2160]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  100.133717][ T2160]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.133849][ T2160]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  100.133981][ T2160]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  100.134112][ T2160]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  100.134243][ T2160]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  100.134406][ T2160] RIP: 0033:0x7f7e001a308e
[  100.134550][ T2160] 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
[  100.135015][ T2160] RSP: 002b:00007ffd2d266f00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  100.135215][ T2160] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f7e001a308e
[  100.135417][ T2160] RDX: 0000000000000000 RSI: 00007ffd2d266fb0 RDI: 0000000000000005
[  100.135614][ T2160] RBP: 00007ffd2d266f10 R08: 0000000000000000 R09: 0000000000000000
[  100.135813][ T2160] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e83d
[  100.136010][ T2160] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd2d267670
| [  101.162374][  T164] ------------[ cut here ]------------
| [  101.162582][  T164] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: devlink_trap.sh/164
| [  101.162917][  T164] Modules linked in: netdevsim
| [  101.163424][  T164] Tainted: [W]=WARN
[  101.163541][  T164] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  101.163739][  T164] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  101.163934][  T164] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  101.164477][  T164] RSP: 0018:ffa00000008177c8 EFLAGS: 00010286
[  101.164669][  T164] RAX: 00000000ffffffa6 RBX: ff1100000b2d47c0 RCX: 1ff4000000102ebf
[  101.164898][  T164] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b2d4870
[  101.165123][  T164] RBP: ff1100000f57a000 R08: 1fe220000165a90f R09: ff1100000c3aaf20
[  101.165352][  T164] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[  101.165584][  T164] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000008178b8
[  101.165821][  T164] FS:  00007fd927d35b80(0000) GS:ff1100007af85000(0000) knlGS:0000000000000000
[  101.166088][  T164] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  101.166286][  T164] CR2: 000055924f5f4040 CR3: 00000000096a3005 CR4: 0000000000771ef0
[  101.166519][  T164] PKRU: 55555554
[  101.166632][  T164] Call Trace:
[  101.166749][  T164]  <TASK>
[  101.166828][  T164]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  101.166981][  T164]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  101.167098][  T164]  netif_close_many (net/core/dev.c:1804)
[  101.167248][  T164]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  101.167400][  T164]  ? __dev_close_many (net/core/dev.c:1781)
[  101.167555][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  101.167713][  T164]  netif_close_many_and_unlock (net/core/dev.c:12330)
[  101.167865][  T164]  ? unregister_netdevice_many_notify (./include/linux/netdevice.h:2830 net/core/dev.c:12396)
[  101.168050][  T164]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[  101.168236][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  101.168388][  T164]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  101.168545][  T164]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  101.168702][  T164]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  101.168854][  T164]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  101.169043][  T164]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[  101.169193][  T164]  ? netdev_run_todo (net/core/dev.c:11703)
[  101.169343][  T164]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  101.169497][  T164]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  101.169647][  T164]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[  101.169801][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  101.169950][  T164]  ? unregister_netdevice_many (net/core/dev.c:12497)
[  101.170102][  T164] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[  101.170256][  T164]  ? kstrtouint (lib/kstrtox.c:233)
[  101.170542][  T164] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[  101.170737][  T164] nsim_drv_port_del (drivers/net/netdevsim/dev.c:1856) netdevsim
[  101.170927][  T164] del_port_store (drivers/net/netdevsim/bus.c:118) netdevsim
[  101.171082][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) fs/sysfs/file.c:24 (discriminator 2))
[  101.171235][  T164]  ? del_device_store (./include/linux/list.h:127 (discriminator 2)) netdevsim
[  101.171426][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[  101.171575][  T164]  ? sysfs_kf_write (fs/sysfs/file.c:137)
[  101.171729][  T164]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[  101.171878][  T164]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[  101.172028][  T164]  ? kernfs_ops (fs/kernfs/file.c:128)
[  101.172143][  T164]  new_sync_write (fs/read_write.c:595)
[  101.172296][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  101.172455][  T164]  ? new_sync_read (./include/linux/ioprio.h:41)
[  101.172606][  T164]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  101.172782][  T164]  ? ksys_write (fs/read_write.c:740)
[  101.172935][  T164]  vfs_write (fs/read_write.c:688)
[  101.173051][  T164]  ksys_write (fs/read_write.c:740)
[  101.173164][  T164]  ? __ia32_sys_read (fs/read_write.c:724)
[  101.173316][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  101.173471][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  101.173621][  T164]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  101.173776][  T164]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  101.173927][  T164]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  101.174077][  T164]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  101.174262][  T164] RIP: 0033:0x7fd927da708e
[  101.174425][  T164] 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
[  101.174963][  T164] RSP: 002b:00007ffca3d72d70 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[  101.175190][  T164] RAX: ffffffffffffffda RBX: 00007fd927f29580 RCX: 00007fd927da708e
[  101.175421][  T164] RDX: 0000000000000002 RSI: 000055924f5f4040 RDI: 0000000000000001
[  101.175646][  T164] RBP: 00007ffca3d72d80 R08: 0000000000000000 R09: 0000000000000000
[  101.175878][  T164] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002
[  101.176101][  T164] R13: 0000000000000002 R14: 000055924f5f4040 R15: 0000000000000000
| [  101.180423][  T164] ------------[ cut here ]------------
| [  101.180584][  T164] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: devlink_trap.sh/164
| [  101.180875][  T164] Modules linked in: netdevsim
| [  101.181342][  T164] Tainted: [W]=WARN
[  101.181457][  T164] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  101.181635][  T164] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  101.181822][  T164] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  101.182329][  T164] RSP: 0018:ffa0000000817948 EFLAGS: 00010286
[  101.182514][  T164] RAX: 00000000ffffffa6 RBX: ff1100000d4190c0 RCX: 1ff4000000102eef
[  101.182728][  T164] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d419170
[  101.182938][  T164] RBP: ff1100000f57a000 R08: 1fe2200001a8322f R09: ff1100000c3aaef8
[  101.183152][  T164] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[  101.183362][  T164] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  101.183581][  T164] FS:  00007fd927d35b80(0000) GS:ff1100007af85000(0000) knlGS:0000000000000000
[  101.183836][  T164] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  101.184016][  T164] CR2: 000055924f5f4040 CR3: 00000000096a3005 CR4: 0000000000771ef0
[  101.184228][  T164] PKRU: 55555554
[  101.184335][  T164] Call Trace:
[  101.184449][  T164]  <TASK>
[  101.184522][  T164]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  101.184708][  T164]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  101.184883][  T164]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[  101.185031][  T164]  ? netdev_run_todo (net/core/dev.c:11703)
[  101.185172][  T164]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  101.185314][  T164]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  101.185462][  T164]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[  101.185602][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  101.185745][  T164]  ? unregister_netdevice_many (net/core/dev.c:12497)
[  101.185888][  T164] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[  101.186035][  T164]  ? kstrtouint (lib/kstrtox.c:233)
[  101.186178][  T164] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[  101.186355][  T164] nsim_drv_port_del (drivers/net/netdevsim/dev.c:1856) netdevsim
[  101.186542][  T164] del_port_store (drivers/net/netdevsim/bus.c:118) netdevsim
[  101.186685][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) fs/sysfs/file.c:24 (discriminator 2))
[  101.186832][  T164]  ? del_device_store (./include/linux/list.h:127 (discriminator 2)) netdevsim
[  101.187009][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[  101.187151][  T164]  ? sysfs_kf_write (fs/sysfs/file.c:137)
[  101.187292][  T164]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[  101.187540][  T164]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[  101.187681][  T164]  ? kernfs_ops (fs/kernfs/file.c:128)
[  101.187793][  T164]  new_sync_write (fs/read_write.c:595)
[  101.187936][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  101.188077][  T164]  ? new_sync_read (./include/linux/ioprio.h:41)
[  101.188219][  T164]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  101.188362][  T164]  ? ksys_write (fs/read_write.c:740)
[  101.188574][  T164]  vfs_write (fs/read_write.c:688)
[  101.188747][  T164]  ksys_write (fs/read_write.c:740)
[  101.188855][  T164]  ? __ia32_sys_read (fs/read_write.c:724)
[  101.188995][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  101.189134][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  101.189276][  T164]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  101.189475][  T164]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  101.189619][  T164]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  101.189768][  T164]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  101.189946][  T164] RIP: 0033:0x7fd927da708e
[  101.190093][  T164] 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
[  101.190657][  T164] RSP: 002b:00007ffca3d72d70 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[  101.190878][  T164] RAX: ffffffffffffffda RBX: 00007fd927f29580 RCX: 00007fd927da708e
[  101.191089][  T164] RDX: 0000000000000002 RSI: 000055924f5f4040 RDI: 0000000000000001
[  101.191332][  T164] RBP: 00007ffca3d72d80 R08: 0000000000000000 R09: 0000000000000000
[  101.191599][  T164] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002
[  101.191810][  T164] R13: 0000000000000002 R14: 000055924f5f4040 R15: 0000000000000000
| [  101.213944][  T164] ------------[ cut here ]------------
| [  101.214163][  T164] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: devlink_trap.sh/164
| [  101.214458][  T164] Modules linked in: netdevsim
| [  101.214994][  T164] Tainted: [W]=WARN
[  101.215138][  T164] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  101.215326][  T164] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  101.215519][  T164] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  101.216162][  T164] RSP: 0018:ffa0000000817858 EFLAGS: 00010286
[  101.216452][  T164] RAX: 00000000ffffffa6 RBX: ff11000008a3ac40 RCX: 1ff4000000102ed1
[  101.216670][  T164] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008a3acf0
[  101.216939][  T164] RBP: ff1100000be4a000 R08: 1fe220000114759f R09: ff1100000c3aaef8
[  101.217160][  T164] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[  101.217377][  T164] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000be4a000
[  101.217599][  T164] FS:  00007fd927d35b80(0000) GS:ff1100007af85000(0000) knlGS:0000000000000000
[  101.217863][  T164] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  101.218045][  T164] CR2: 000055924f4c40fc CR3: 00000000096a3005 CR4: 0000000000771ef0
[  101.218262][  T164] PKRU: 55555554
[  101.218370][  T164] Call Trace:
[  101.218483][  T164]  <TASK>
[  101.218560][  T164]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  101.218710][  T164]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  101.218821][  T164]  register_netdevice (net/core/dev.c:11488)
[  101.218965][  T164]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[  101.219241][  T164]  ? __debugfs_create_file (fs/debugfs/inode.c:412 fs/debugfs/inode.c:452)
[  101.219387][  T164] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[  101.219580][  T164] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[  101.219730][  T164] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[  101.220009][  T164]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[  101.220193][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  101.220337][  T164]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[  101.220490][  T164] nsim_drv_port_add (drivers/net/netdevsim/dev.c:1839) netdevsim
[  101.220674][  T164] new_port_store (drivers/net/netdevsim/bus.c:96 (discriminator 3)) netdevsim
[  101.220828][  T164]  ? del_port_store (drivers/net/netdevsim/bus.c:120) netdevsim
[  101.221010][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[  101.221251][  T164]  ? sysfs_kf_write (fs/sysfs/file.c:137)
[  101.221397][  T164]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[  101.221547][  T164]  ? kernfs_ops (fs/kernfs/file.c:128)
[  101.221657][  T164]  new_sync_write (fs/read_write.c:595)
[  101.222002][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  101.222146][  T164]  ? new_sync_read (./include/linux/ioprio.h:41)
[  101.222291][  T164]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  101.222441][  T164]  ? ksys_write (fs/read_write.c:740)
[  101.222809][  T164]  vfs_write (fs/read_write.c:688)
[  101.223022][  T164]  ksys_write (fs/read_write.c:740)
[  101.223133][  T164]  ? __ia32_sys_read (fs/read_write.c:724)
[  101.223278][  T164]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  101.223530][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  101.223677][  T164]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  101.223833][  T164]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  101.223979][  T164]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  101.224219][  T164]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  101.224400][  T164] RIP: 0033:0x7fd927da708e
[  101.224559][  T164] 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
[  101.225179][  T164] RSP: 002b:00007ffca3d72e70 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[  101.225398][  T164] RAX: ffffffffffffffda RBX: 00007fd927f29580 RCX: 00007fd927da708e
[  101.225728][  T164] RDX: 0000000000000002 RSI: 000055924f5f4040 RDI: 0000000000000001
[  101.225944][  T164] RBP: 00007ffca3d72e80 R08: 0000000000000000 R09: 0000000000000000
[  101.226156][  T164] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002
[  101.226481][  T164] R13: 0000000000000002 R14: 000055924f5f4040 R15: 0000000000000000
| [  101.327101][ T2166] ------------[ cut here ]------------
| [  101.327285][ T2166] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/2166
| [  101.327563][ T2166] Modules linked in: netdevsim
| [  101.327984][ T2166] Tainted: [W]=WARN
[  101.328085][ T2166] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  101.328252][ T2166] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  101.328431][ T2166] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  101.328912][ T2166] RSP: 0018:ffa0000003047020 EFLAGS: 00010286
[  101.329081][ T2166] RAX: 00000000ffffffa6 RBX: ff11000004b7ef40 RCX: 1ff4000000608dca
[  101.329283][ T2166] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004b7eff0
[  101.329488][ T2166] RBP: ff1100000be4a000 R08: 1fe220000096fdff R09: ff1100000bea0b80
[  101.329686][ T2166] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[  101.329889][ T2166] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[  101.330091][ T2166] FS:  00007f2a62af4840(0000) GS:ff1100007b105000(0000) knlGS:0000000000000000
[  101.330356][ T2166] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  101.330530][ T2166] CR2: 000000001f1be988 CR3: 000000000c7fa004 CR4: 0000000000771ef0
[  101.330740][ T2166] PKRU: 55555554
[  101.330845][ T2166] Call Trace:
[  101.330946][ T2166]  <TASK>
[  101.331024][ T2166]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  101.331158][ T2166]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  101.331259][ T2166]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  101.331394][ T2166]  __dev_notify_flags (net/core/dev.c:9787)
[  101.331534][ T2166]  ? netif_change_name (net/core/dev.c:1495)
[  101.331666][ T2166]  ? __dev_change_flags (net/core/dev.c:9752)
[  101.331806][ T2166]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[  101.331939][ T2166]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  101.332072][ T2166]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[  101.332207][ T2166]  netif_change_flags (net/core/dev.c:9820)
[  101.332341][ T2166]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[  101.332481][ T2166]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  101.332616][ T2166]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  101.332789][ T2166]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  101.332922][ T2166]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  101.333054][ T2166]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  101.333186][ T2166]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  101.333320][ T2166]  ? __kernel_text_address (kernel/extable.c:79)
[  101.333458][ T2166]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  101.333594][ T2166]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  101.333731][ T2166]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  101.333864][ T2166]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  101.333997][ T2166]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  101.334128][ T2166]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  101.334261][ T2166]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  101.334393][ T2166]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  101.334532][ T2166]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  101.334666][ T2166]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  101.334803][ T2166]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  101.334939][ T2166]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  101.335074][ T2166]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  101.335230][ T2166]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  101.335366][ T2166]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  101.335503][ T2166]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  101.335636][ T2166]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  101.335824][ T2166]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  101.335955][ T2166]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  101.336090][ T2166]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  101.336223][ T2166]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  101.336355][ T2166]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  101.336493][ T2166]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  101.336653][ T2166]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  101.336796][ T2166]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  101.336931][ T2166]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  101.337066][ T2166]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  101.337201][ T2166]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  101.337343][ T2166]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  101.337481][ T2166]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  101.337615][ T2166]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  101.337759][ T2166]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  101.337896][ T2166]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  101.338032][ T2166]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  101.338172][ T2166]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  101.338310][ T2166]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  101.338448][ T2166]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  101.338581][ T2166]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  101.338719][ T2166]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  101.338855][ T2166]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  101.338996][ T2166]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  101.339133][ T2166]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  101.339267][ T2166]  ? copy_msghdr_from_user (net/socket.c:2635)
[  101.339400][ T2166]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  101.339570][ T2166]  ? move_addr_to_kernel (net/socket.c:258)
[  101.339716][ T2166]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  101.339849][ T2166]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  101.339999][ T2166]  ___sys_sendmsg (net/socket.c:2752)
[  101.340135][ T2166]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  101.340302][ T2166]  ? copy_msghdr_from_user (net/socket.c:2603)
[  101.340452][ T2166]  __sys_sendmsg (net/socket.c:2784)
[  101.340584][ T2166]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  101.340720][ T2166]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  101.340887][ T2166]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  101.341021][ T2166]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  101.341172][ T2166]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  101.341309][ T2166]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  101.341447][ T2166]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  101.341580][ T2166]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  101.341748][ T2166] RIP: 0033:0x7f2a62d2e08e
[  101.341892][ T2166] 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
[  101.342388][ T2166] RSP: 002b:00007ffccf1d46c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  101.342595][ T2166] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f2a62d2e08e
[  101.342806][ T2166] RDX: 0000000000000000 RSI: 00007ffccf1d4770 RDI: 0000000000000005
[  101.343004][ T2166] RBP: 00007ffccf1d46d0 R08: 0000000000000000 R09: 0000000000000000
[  101.343201][ T2166] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e83e
[  101.343398][ T2166] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffccf1d4e30
| [  102.361188][  T164] ------------[ cut here ]------------
| [  102.361422][  T164] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: devlink_trap.sh/164
| [  102.361735][  T164] Modules linked in: netdevsim
| [  102.362276][  T164] Tainted: [W]=WARN
[  102.362392][  T164] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  102.362589][  T164] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  102.362790][  T164] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  102.363330][  T164] RSP: 0018:ffa00000008177c8 EFLAGS: 00010286
[  102.363530][  T164] RAX: 00000000ffffffa6 RBX: ff1100000f7650c0 RCX: 1ff4000000102ebf
[  102.363761][  T164] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000f765170
[  102.363991][  T164] RBP: ff1100000be4a000 R08: 1fe2200001eeca2f R09: ff1100000c3aaf20
[  102.364218][  T164] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[  102.364452][  T164] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000008178b8
[  102.364679][  T164] FS:  00007fd927d35b80(0000) GS:ff1100007af85000(0000) knlGS:0000000000000000
[  102.364955][  T164] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  102.365147][  T164] CR2: 000055924f5f4040 CR3: 00000000096a3001 CR4: 0000000000771ef0
[  102.365376][  T164] PKRU: 55555554
[  102.365501][  T164] Call Trace:
[  102.365616][  T164]  <TASK>
[  102.365695][  T164]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  102.365857][  T164]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  102.365973][  T164]  netif_close_many (net/core/dev.c:1804)
[  102.366126][  T164]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  102.366278][  T164]  ? __dev_close_many (net/core/dev.c:1781)
[  102.366436][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  102.366589][  T164]  netif_close_many_and_unlock (net/core/dev.c:12330)
[  102.366746][  T164]  ? unregister_netdevice_many_notify (./include/linux/netdevice.h:2830 net/core/dev.c:12396)
[  102.366933][  T164]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[  102.367120][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  102.367275][  T164]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  102.367434][  T164]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  102.367587][  T164]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  102.367741][  T164]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  102.367926][  T164]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[  102.368076][  T164]  ? netdev_run_todo (net/core/dev.c:11703)
[  102.368226][  T164]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  102.368378][  T164]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  102.368536][  T164]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[  102.368687][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  102.368841][  T164]  ? unregister_netdevice_many (net/core/dev.c:12497)
[  102.368992][  T164] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[  102.369151][  T164]  ? kstrtouint (lib/kstrtox.c:233)
[  102.369306][  T164] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[  102.369501][  T164] nsim_drv_port_del (drivers/net/netdevsim/dev.c:1856) netdevsim
[  102.369693][  T164] del_port_store (drivers/net/netdevsim/bus.c:118) netdevsim
[  102.369853][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) fs/sysfs/file.c:24 (discriminator 2))
[  102.370007][  T164]  ? del_device_store (./include/linux/list.h:127 (discriminator 2)) netdevsim
[  102.370194][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[  102.370345][  T164]  ? sysfs_kf_write (fs/sysfs/file.c:137)
[  102.370500][  T164]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[  102.370651][  T164]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[  102.370807][  T164]  ? kernfs_ops (fs/kernfs/file.c:128)
[  102.370920][  T164]  new_sync_write (fs/read_write.c:595)
[  102.371072][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  102.371224][  T164]  ? new_sync_read (./include/linux/ioprio.h:41)
[  102.371377][  T164]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  102.371535][  T164]  ? ksys_write (fs/read_write.c:740)
[  102.371691][  T164]  vfs_write (fs/read_write.c:688)
[  102.371814][  T164]  ksys_write (fs/read_write.c:740)
[  102.371928][  T164]  ? __ia32_sys_read (fs/read_write.c:724)
[  102.372080][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  102.372229][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  102.372382][  T164]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  102.372538][  T164]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  102.372690][  T164]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  102.372847][  T164]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  102.373040][  T164] RIP: 0033:0x7fd927da708e
[  102.373199][  T164] 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
[  102.373749][  T164] RSP: 002b:00007ffca3d72d70 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[  102.373978][  T164] RAX: ffffffffffffffda RBX: 00007fd927f29580 RCX: 00007fd927da708e
[  102.374207][  T164] RDX: 0000000000000002 RSI: 000055924f5f4040 RDI: 0000000000000001
[  102.374437][  T164] RBP: 00007ffca3d72d80 R08: 0000000000000000 R09: 0000000000000000
[  102.374663][  T164] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002
[  102.374891][  T164] R13: 0000000000000002 R14: 000055924f5f4040 R15: 0000000000000000
| [  102.387475][  T164] ------------[ cut here ]------------
| [  102.387661][  T164] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: devlink_trap.sh/164
| [  102.387954][  T164] Modules linked in: netdevsim
| [  102.388474][  T164] Tainted: [W]=WARN
[  102.388583][  T164] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  102.388769][  T164] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  102.388958][  T164] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  102.389470][  T164] RSP: 0018:ffa0000000817948 EFLAGS: 00010286
[  102.389652][  T164] RAX: 00000000ffffffa6 RBX: ff1100000f764040 RCX: 1ff4000000102eef
[  102.389873][  T164] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000f7640f0
[  102.390085][  T164] RBP: ff1100000be4a000 R08: 1fe2200001eec81f R09: ff1100000c3aaef8
[  102.390297][  T164] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[  102.390517][  T164] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  102.390739][  T164] FS:  00007fd927d35b80(0000) GS:ff1100007af85000(0000) knlGS:0000000000000000
[  102.390993][  T164] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  102.391173][  T164] CR2: 000055924f5f4040 CR3: 00000000096a3001 CR4: 0000000000771ef0
[  102.391390][  T164] PKRU: 55555554
[  102.391507][  T164] Call Trace:
[  102.391618][  T164]  <TASK>
[  102.391695][  T164]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  102.391886][  T164]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  102.392065][  T164]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[  102.392208][  T164]  ? netdev_run_todo (net/core/dev.c:11703)
[  102.392356][  T164]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  102.392506][  T164]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  102.392654][  T164]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[  102.392801][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  102.392947][  T164]  ? unregister_netdevice_many (net/core/dev.c:12497)
[  102.393093][  T164] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[  102.393240][  T164]  ? kstrtouint (lib/kstrtox.c:233)
[  102.393388][  T164] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[  102.393576][  T164] nsim_drv_port_del (drivers/net/netdevsim/dev.c:1856) netdevsim
[  102.393763][  T164] del_port_store (drivers/net/netdevsim/bus.c:118) netdevsim
[  102.393911][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) fs/sysfs/file.c:24 (discriminator 2))
[  102.394056][  T164]  ? del_device_store (./include/linux/list.h:127 (discriminator 2)) netdevsim
[  102.394236][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[  102.394380][  T164]  ? sysfs_kf_write (fs/sysfs/file.c:137)
[  102.394530][  T164]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[  102.394672][  T164]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[  102.394823][  T164]  ? kernfs_ops (fs/kernfs/file.c:128)
[  102.394932][  T164]  new_sync_write (fs/read_write.c:595)
[  102.395077][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  102.395221][  T164]  ? new_sync_read (./include/linux/ioprio.h:41)
[  102.395366][  T164]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  102.395516][  T164]  ? ksys_write (fs/read_write.c:740)
[  102.395668][  T164]  vfs_write (fs/read_write.c:688)
[  102.395784][  T164]  ksys_write (fs/read_write.c:740)
[  102.395896][  T164]  ? __ia32_sys_read (fs/read_write.c:724)
[  102.396041][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  102.396184][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  102.396328][  T164]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  102.396476][  T164]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  102.396619][  T164]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  102.396767][  T164]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  102.396946][  T164] RIP: 0033:0x7fd927da708e
[  102.397096][  T164] 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
[  102.397607][  T164] RSP: 002b:00007ffca3d72d70 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[  102.397829][  T164] RAX: ffffffffffffffda RBX: 00007fd927f29580 RCX: 00007fd927da708e
[  102.398042][  T164] RDX: 0000000000000002 RSI: 000055924f5f4040 RDI: 0000000000000001
[  102.398255][  T164] RBP: 00007ffca3d72d80 R08: 0000000000000000 R09: 0000000000000000
[  102.398475][  T164] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002
[  102.398689][  T164] R13: 0000000000000002 R14: 000055924f5f4040 R15: 0000000000000000
| [  102.423383][  T164] ------------[ cut here ]------------
| [  102.423584][  T164] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: devlink_trap.sh/164
| [  102.423888][  T164] Modules linked in: netdevsim
| [  102.424374][  T164] Tainted: [W]=WARN
[  102.424493][  T164] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  102.424680][  T164] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  102.424879][  T164] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  102.425406][  T164] RSP: 0018:ffa0000000817858 EFLAGS: 00010286
[  102.426636][  T164] RAX: 00000000ffffffa6 RBX: ff1100000d7f44c0 RCX: 1ff4000000102ed1
[  102.426863][  T164] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d7f4570
[  102.427084][  T164] RBP: ff110000101e2000 R08: 1fe2200001afe8af R09: ff1100000c3aaef8
[  102.427303][  T164] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[  102.427650][  T164] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000101e2000
[  102.427876][  T164] FS:  00007fd927d35b80(0000) GS:ff1100007af85000(0000) knlGS:0000000000000000
[  102.428136][  T164] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  102.428322][  T164] CR2: 000055924f4e7e98 CR3: 00000000096a3001 CR4: 0000000000771ef0
[  102.428681][  T164] PKRU: 55555554
[  102.428797][  T164] Call Trace:
[  102.428909][  T164]  <TASK>
[  102.428986][  T164]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  102.429138][  T164]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  102.429251][  T164]  register_netdevice (net/core/dev.c:11488)
[  102.429404][  T164]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[  102.429672][  T164]  ? __debugfs_create_file (fs/debugfs/inode.c:412 fs/debugfs/inode.c:452)
[  102.429829][  T164] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[  102.430019][  T164] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[  102.430170][  T164] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[  102.430356][  T164]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[  102.430564][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  102.430719][  T164]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[  102.430867][  T164] nsim_drv_port_add (drivers/net/netdevsim/dev.c:1839) netdevsim
[  102.431052][  T164] new_port_store (drivers/net/netdevsim/bus.c:96 (discriminator 3)) netdevsim
[  102.431202][  T164]  ? del_port_store (drivers/net/netdevsim/bus.c:120) netdevsim
[  102.431392][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[  102.431545][  T164]  ? sysfs_kf_write (fs/sysfs/file.c:137)
[  102.431691][  T164]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[  102.431843][  T164]  ? kernfs_ops (fs/kernfs/file.c:128)
[  102.431955][  T164]  new_sync_write (fs/read_write.c:595)
[  102.432105][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  102.432253][  T164]  ? new_sync_read (./include/linux/ioprio.h:41)
[  102.432402][  T164]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  102.432557][  T164]  ? ksys_write (fs/read_write.c:740)
[  102.432712][  T164]  vfs_write (fs/read_write.c:688)
[  102.432826][  T164]  ksys_write (fs/read_write.c:740)
[  102.432938][  T164]  ? __ia32_sys_read (fs/read_write.c:724)
[  102.433088][  T164]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  102.433235][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  102.433385][  T164]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  102.433537][  T164]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  102.433686][  T164]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  102.433838][  T164]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  102.434020][  T164] RIP: 0033:0x7fd927da708e
[  102.434175][  T164] 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
[  102.434708][  T164] RSP: 002b:00007ffca3d72e70 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[  102.434933][  T164] RAX: ffffffffffffffda RBX: 00007fd927f29580 RCX: 00007fd927da708e
[  102.435153][  T164] RDX: 0000000000000002 RSI: 000055924f5f4040 RDI: 0000000000000001
[  102.435374][  T164] RBP: 00007ffca3d72e80 R08: 0000000000000000 R09: 0000000000000000
[  102.435600][  T164] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002
[  102.435826][  T164] R13: 0000000000000002 R14: 000055924f5f4040 R15: 0000000000000000
| [  102.531844][ T2171] ------------[ cut here ]------------
| [  102.532020][ T2171] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/2171
| [  102.532304][ T2171] Modules linked in: netdevsim
| [  102.532742][ T2171] Tainted: [W]=WARN
[  102.532845][ T2171] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  102.533016][ T2171] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  102.533193][ T2171] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  102.533679][ T2171] RSP: 0018:ffa0000003087020 EFLAGS: 00010286
[  102.533862][ T2171] RAX: 00000000ffffffa6 RBX: ff1100000d593b40 RCX: 1ff4000000610dca
[  102.534064][ T2171] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d593bf0
[  102.534266][ T2171] RBP: ff110000101e2000 R08: 1fe2200001ab277f R09: ff1100000cdaae80
[  102.534477][ T2171] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000001
[  102.534681][ T2171] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[  102.534886][ T2171] FS:  00007fae82767840(0000) GS:ff1100007b005000(0000) knlGS:0000000000000000
[  102.535128][ T2171] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  102.535300][ T2171] CR2: 00000000046a6988 CR3: 000000000c4e8006 CR4: 0000000000771ef0
[  102.535510][ T2171] PKRU: 55555554
[  102.535612][ T2171] Call Trace:
[  102.535716][ T2171]  <TASK>
[  102.535786][ T2171]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[  102.535927][ T2171]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  102.536063][ T2171]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  102.536169][ T2171]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  102.536306][ T2171]  __dev_notify_flags (net/core/dev.c:9787)
[  102.536447][ T2171]  ? netif_change_name (net/core/dev.c:1495)
[  102.536583][ T2171]  ? __dev_change_flags (net/core/dev.c:9752)
[  102.536726][ T2171]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[  102.536863][ T2171]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  102.536997][ T2171]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[  102.537135][ T2171]  netif_change_flags (net/core/dev.c:9820)
[  102.537270][ T2171]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[  102.537406][ T2171]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  102.537548][ T2171]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  102.537725][ T2171]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  102.537860][ T2171]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  102.537993][ T2171]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  102.538125][ T2171]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  102.538260][ T2171]  ? __kernel_text_address (kernel/extable.c:79)
[  102.538397][ T2171]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  102.538629][ T2171]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  102.538772][ T2171]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  102.538909][ T2171]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  102.539044][ T2171]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  102.539178][ T2171]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  102.539311][ T2171]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  102.539514][ T2171]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  102.539650][ T2171]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  102.539792][ T2171]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  102.539928][ T2171]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  102.540064][ T2171]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  102.540201][ T2171]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  102.540339][ T2171]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  102.540552][ T2171]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  102.540755][ T2171]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  102.540892][ T2171]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  102.541027][ T2171]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  102.541161][ T2171]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  102.541299][ T2171]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  102.541509][ T2171]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  102.541646][ T2171]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  102.541784][ T2171]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  102.541921][ T2171]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  102.542056][ T2171]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  102.542192][ T2171]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  102.542327][ T2171]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  102.542526][ T2171]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  102.542663][ T2171]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  102.542801][ T2171]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  102.542939][ T2171]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  102.543074][ T2171]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  102.543208][ T2171]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  102.543348][ T2171]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  102.543556][ T2171]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  102.543694][ T2171]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  102.543836][ T2171]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  102.543970][ T2171]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  102.544106][ T2171]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  102.544242][ T2171]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  102.544377][ T2171]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  102.544582][ T2171]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  102.544721][ T2171]  ? copy_msghdr_from_user (net/socket.c:2635)
[  102.544855][ T2171]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  102.545022][ T2171]  ? move_addr_to_kernel (net/socket.c:258)
[  102.545160][ T2171]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  102.545296][ T2171]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  102.545472][ T2171]  ___sys_sendmsg (net/socket.c:2752)
[  102.545604][ T2171]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  102.545776][ T2171]  ? copy_msghdr_from_user (net/socket.c:2603)
[  102.545923][ T2171]  __sys_sendmsg (net/socket.c:2784)
[  102.546057][ T2171]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  102.546192][ T2171]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  102.546363][ T2171]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  102.546505][ T2171]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  102.546640][ T2171]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  102.546777][ T2171]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  102.546911][ T2171]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  102.547047][ T2171]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  102.547216][ T2171] RIP: 0033:0x7fae829a108e
[  102.547359][ T2171] 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
[  102.547853][ T2171] RSP: 002b:00007ffef6e03920 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  102.548058][ T2171] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fae829a108e
[  102.548261][ T2171] RDX: 0000000000000000 RSI: 00007ffef6e039d0 RDI: 0000000000000005
[  102.548472][ T2171] RBP: 00007ffef6e03930 R08: 0000000000000000 R09: 0000000000000000
[  102.548673][ T2171] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e83f
[  102.548879][ T2171] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffef6e04090
| [  103.570494][  T164] ------------[ cut here ]------------
| [  103.570712][  T164] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: devlink_trap.sh/164
| [  103.571020][  T164] Modules linked in: netdevsim
| [  103.571537][  T164] Tainted: [W]=WARN
[  103.571655][  T164] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  103.571855][  T164] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  103.572050][  T164] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  103.572596][  T164] RSP: 0018:ffa00000008177c8 EFLAGS: 00010286
[  103.572796][  T164] RAX: 00000000ffffffa6 RBX: ff1100000b0e5b40 RCX: 1ff4000000102ebf
[  103.573024][  T164] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b0e5bf0
[  103.573251][  T164] RBP: ff110000101e2000 R08: 1fe220000161cb7f R09: ff1100000c3aaf20
[  103.573491][  T164] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[  103.573724][  T164] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000008178b8
[  103.573951][  T164] FS:  00007fd927d35b80(0000) GS:ff1100007af85000(0000) knlGS:0000000000000000
[  103.574217][  T164] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  103.574415][  T164] CR2: 000055924f5f4040 CR3: 00000000096a3001 CR4: 0000000000771ef0
[  103.574642][  T164] PKRU: 55555554
[  103.574766][  T164] Call Trace:
[  103.574880][  T164]  <TASK>
[  103.574959][  T164]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  103.575115][  T164]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  103.575230][  T164]  netif_close_many (net/core/dev.c:1804)
[  103.575384][  T164]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  103.575546][  T164]  ? __dev_close_many (net/core/dev.c:1781)
[  103.575696][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  103.575855][  T164]  netif_close_many_and_unlock (net/core/dev.c:12330)
[  103.576009][  T164]  ? unregister_netdevice_many_notify (./include/linux/netdevice.h:2830 net/core/dev.c:12396)
[  103.576197][  T164]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[  103.576384][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  103.576540][  T164]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  103.576693][  T164]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  103.576850][  T164]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  103.577000][  T164]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  103.577191][  T164]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[  103.577341][  T164]  ? netdev_run_todo (net/core/dev.c:11703)
[  103.577498][  T164]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  103.577647][  T164]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  103.577812][  T164]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[  103.577962][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  103.578112][  T164]  ? unregister_netdevice_many (net/core/dev.c:12497)
[  103.578264][  T164] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[  103.578426][  T164]  ? kstrtouint (lib/kstrtox.c:233)
[  103.578584][  T164] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[  103.578782][  T164] nsim_drv_port_del (drivers/net/netdevsim/dev.c:1856) netdevsim
[  103.578974][  T164] del_port_store (drivers/net/netdevsim/bus.c:118) netdevsim
[  103.579125][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) fs/sysfs/file.c:24 (discriminator 2))
[  103.579277][  T164]  ? del_device_store (./include/linux/list.h:127 (discriminator 2)) netdevsim
[  103.579473][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[  103.579623][  T164]  ? sysfs_kf_write (fs/sysfs/file.c:137)
[  103.579782][  T164]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[  103.579934][  T164]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[  103.580087][  T164]  ? kernfs_ops (fs/kernfs/file.c:128)
[  103.580202][  T164]  new_sync_write (fs/read_write.c:595)
[  103.580356][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  103.580515][  T164]  ? new_sync_read (./include/linux/ioprio.h:41)
[  103.580668][  T164]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  103.580824][  T164]  ? ksys_write (fs/read_write.c:740)
[  103.580979][  T164]  vfs_write (fs/read_write.c:688)
[  103.581094][  T164]  ksys_write (fs/read_write.c:740)
[  103.581212][  T164]  ? __ia32_sys_read (fs/read_write.c:724)
[  103.581364][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  103.581519][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  103.581672][  T164]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  103.581826][  T164]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  103.581977][  T164]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  103.582128][  T164]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  103.582314][  T164] RIP: 0033:0x7fd927da708e
[  103.582481][  T164] 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
[  103.583017][  T164] RSP: 002b:00007ffca3d72d70 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[  103.583245][  T164] RAX: ffffffffffffffda RBX: 00007fd927f29580 RCX: 00007fd927da708e
[  103.583479][  T164] RDX: 0000000000000002 RSI: 000055924f5f4040 RDI: 0000000000000001
[  103.583706][  T164] RBP: 00007ffca3d72d80 R08: 0000000000000000 R09: 0000000000000000
[  103.583929][  T164] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002
[  103.584151][  T164] R13: 0000000000000002 R14: 000055924f5f4040 R15: 0000000000000000
| [  103.588646][  T164] ------------[ cut here ]------------
| [  103.588823][  T164] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: devlink_trap.sh/164
| [  103.589108][  T164] Modules linked in: netdevsim
| [  103.589601][  T164] Tainted: [W]=WARN
[  103.589717][  T164] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  103.589897][  T164] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  103.590084][  T164] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  103.590596][  T164] RSP: 0018:ffa0000000817948 EFLAGS: 00010286
[  103.590785][  T164] RAX: 00000000ffffffa6 RBX: ff110000095e27c0 RCX: 1ff4000000102eef
[  103.591000][  T164] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000095e2870
[  103.591213][  T164] RBP: ff110000101e2000 R08: 1fe22000012bc50f R09: ff1100000c3aaef8
[  103.591433][  T164] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[  103.591649][  T164] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  103.591868][  T164] FS:  00007fd927d35b80(0000) GS:ff1100007af85000(0000) knlGS:0000000000000000
[  103.592122][  T164] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  103.592302][  T164] CR2: 000055924f5f4040 CR3: 00000000096a3001 CR4: 0000000000771ef0
[  103.592523][  T164] PKRU: 55555554
[  103.592629][  T164] Call Trace:
[  103.592739][  T164]  <TASK>
[  103.592814][  T164]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  103.592997][  T164]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  103.593174][  T164]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[  103.593319][  T164]  ? netdev_run_todo (net/core/dev.c:11703)
[  103.593467][  T164]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  103.593608][  T164]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  103.593758][  T164]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[  103.593902][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  103.594045][  T164]  ? unregister_netdevice_many (net/core/dev.c:12497)
[  103.594191][  T164] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[  103.594340][  T164]  ? kstrtouint (lib/kstrtox.c:233)
[  103.594489][  T164] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[  103.594669][  T164] nsim_drv_port_del (drivers/net/netdevsim/dev.c:1856) netdevsim
[  103.594853][  T164] del_port_store (drivers/net/netdevsim/bus.c:118) netdevsim
[  103.594997][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) fs/sysfs/file.c:24 (discriminator 2))
[  103.595141][  T164]  ? del_device_store (./include/linux/list.h:127 (discriminator 2)) netdevsim
[  103.595322][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[  103.596052][  T164]  ? sysfs_kf_write (fs/sysfs/file.c:137)
[  103.596209][  T164]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[  103.596349][  T164]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[  103.596548][  T164]  ? kernfs_ops (fs/kernfs/file.c:128)
[  103.596657][  T164]  new_sync_write (fs/read_write.c:595)
[  103.596805][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  103.596948][  T164]  ? new_sync_read (./include/linux/ioprio.h:41)
[  103.597093][  T164]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  103.597233][  T164]  ? ksys_write (fs/read_write.c:740)
[  103.597377][  T164]  vfs_write (fs/read_write.c:688)
[  103.597542][  T164]  ksys_write (fs/read_write.c:740)
[  103.597695][  T164]  ? __ia32_sys_read (fs/read_write.c:724)
[  103.597841][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  103.597976][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  103.598114][  T164]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  103.598308][  T164]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  103.598502][  T164]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  103.598639][  T164]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  103.598811][  T164] RIP: 0033:0x7fd927da708e
[  103.598952][  T164] 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
[  103.599496][  T164] RSP: 002b:00007ffca3d72d70 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[  103.599705][  T164] RAX: ffffffffffffffda RBX: 00007fd927f29580 RCX: 00007fd927da708e
[  103.599908][  T164] RDX: 0000000000000002 RSI: 000055924f5f4040 RDI: 0000000000000001
[  103.600111][  T164] RBP: 00007ffca3d72d80 R08: 0000000000000000 R09: 0000000000000000
[  103.600317][  T164] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002
[  103.600577][  T164] R13: 0000000000000002 R14: 000055924f5f4040 R15: 0000000000000000
| [  103.626509][  T164] ------------[ cut here ]------------
| [  103.626730][  T164] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: devlink_trap.sh/164
| [  103.627066][  T164] Modules linked in: netdevsim
| [  103.627646][  T164] Tainted: [W]=WARN
[  103.627836][  T164] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  103.628066][  T164] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  103.628300][  T164] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  103.628952][  T164] RSP: 0018:ffa0000000817858 EFLAGS: 00010286
[  103.629244][  T164] RAX: 00000000ffffffa6 RBX: ff1100000e546940 RCX: 1ff4000000102ed1
[  103.629679][  T164] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000e5469f0
[  103.629997][  T164] RBP: ff1100000c2da000 R08: 1fe2200001ca8d3f R09: ff1100000c3aaef8
[  103.630254][  T164] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  103.630532][  T164] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c2da000
[  103.630806][  T164] FS:  00007fd927d35b80(0000) GS:ff1100007b085000(0000) knlGS:0000000000000000
[  103.631107][  T164] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  103.631336][  T164] CR2: 000055924f4f2258 CR3: 00000000096a3006 CR4: 0000000000771ef0
[  103.631615][  T164] PKRU: 55555554
[  103.631779][  T164] Call Trace:
[  103.631936][  T164]  <TASK>
[  103.632059][  T164]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  103.632284][  T164]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  103.632454][  T164]  register_netdevice (net/core/dev.c:11488)
[  103.632648][  T164]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[  103.632884][  T164]  ? __debugfs_create_file (fs/debugfs/inode.c:412 fs/debugfs/inode.c:452)
[  103.633085][  T164] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[  103.633318][  T164] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[  103.633527][  T164] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[  103.633765][  T164]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[  103.633999][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  103.634194][  T164]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[  103.634389][  T164] nsim_drv_port_add (drivers/net/netdevsim/dev.c:1839) netdevsim
[  103.634636][  T164] new_port_store (drivers/net/netdevsim/bus.c:96 (discriminator 3)) netdevsim
[  103.634845][  T164]  ? del_port_store (drivers/net/netdevsim/bus.c:120) netdevsim
[  103.635077][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[  103.635367][  T164]  ? sysfs_kf_write (fs/sysfs/file.c:137)
[  103.635572][  T164]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[  103.635787][  T164]  ? kernfs_ops (fs/kernfs/file.c:128)
[  103.635947][  T164]  new_sync_write (fs/read_write.c:595)
[  103.636146][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  103.636337][  T164]  ? new_sync_read (./include/linux/ioprio.h:41)
[  103.636545][  T164]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  103.636747][  T164]  ? ksys_write (fs/read_write.c:740)
[  103.636947][  T164]  vfs_write (fs/read_write.c:688)
[  103.637206][  T164]  ksys_write (fs/read_write.c:740)
[  103.637475][  T164]  ? __ia32_sys_read (fs/read_write.c:724)
[  103.637666][  T164]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  103.637866][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  103.638061][  T164]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  103.638252][  T164]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  103.638457][  T164]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  103.638753][  T164]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  103.638979][  T164] RIP: 0033:0x7fd927da708e
[  103.639176][  T164] 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
[  103.639968][  T164] RSP: 002b:00007ffca3d72e70 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[  103.640331][  T164] RAX: ffffffffffffffda RBX: 00007fd927f29580 RCX: 00007fd927da708e
[  103.640601][  T164] RDX: 0000000000000002 RSI: 000055924f5f4040 RDI: 0000000000000001
[  103.640877][  T164] RBP: 00007ffca3d72e80 R08: 0000000000000000 R09: 0000000000000000
[  103.641138][  T164] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002
[  103.641397][  T164] R13: 0000000000000002 R14: 000055924f5f4040 R15: 0000000000000000
| [  103.810737][ T2177] ------------[ cut here ]------------
| [  103.810923][ T2177] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/2177
| [  103.811217][ T2177] Modules linked in: netdevsim
| [  103.811647][ T2177] Tainted: [W]=WARN
[  103.811753][ T2177] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  103.811929][ T2177] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  103.812108][ T2177] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  103.812598][ T2177] RSP: 0018:ffa00000030c7020 EFLAGS: 00010286
[  103.812777][ T2177] RAX: 00000000ffffffa6 RBX: ff11000004b7e340 RCX: 1ff4000000618dca
[  103.812983][ T2177] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004b7e3f0
[  103.813188][ T2177] RBP: ff1100000c2da000 R08: 1fe220000096fc7f R09: ff1100000c420b80
[  103.813394][ T2177] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[  103.813610][ T2177] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[  103.813818][ T2177] FS:  00007fe1d8878840(0000) GS:ff1100007b105000(0000) knlGS:0000000000000000
[  103.814059][ T2177] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  103.814232][ T2177] CR2: 00000000089ca988 CR3: 000000000c007003 CR4: 0000000000771ef0
[  103.814446][ T2177] PKRU: 55555554
[  103.814549][ T2177] Call Trace:
[  103.814651][ T2177]  <TASK>
[  103.814728][ T2177]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[  103.814871][ T2177]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  103.815013][ T2177]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  103.815118][ T2177]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  103.815257][ T2177]  __dev_notify_flags (net/core/dev.c:9787)
[  103.815394][ T2177]  ? netif_change_name (net/core/dev.c:1495)
[  103.815536][ T2177]  ? __dev_change_flags (net/core/dev.c:9752)
[  103.815673][ T2177]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[  103.815816][ T2177]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  103.815953][ T2177]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[  103.816093][ T2177]  netif_change_flags (net/core/dev.c:9820)
[  103.816231][ T2177]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[  103.816370][ T2177]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  103.816593][ T2177]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  103.816772][ T2177]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  103.816909][ T2177]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  103.817047][ T2177]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  103.817182][ T2177]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  103.817349][ T2177]  ? __kernel_text_address (kernel/extable.c:79)
[  103.817563][ T2177]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  103.817710][ T2177]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  103.817846][ T2177]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  103.817983][ T2177]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  103.818120][ T2177]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  103.818254][ T2177]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  103.818390][ T2177]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  103.818612][ T2177]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  103.818840][ T2177]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  103.818976][ T2177]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  103.819114][ T2177]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  103.819253][ T2177]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  103.819392][ T2177]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  103.819567][ T2177]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  103.819712][ T2177]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  103.819850][ T2177]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  103.819986][ T2177]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  103.820122][ T2177]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  103.820256][ T2177]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  103.820394][ T2177]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  103.820535][ T2177]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  103.820669][ T2177]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  103.820810][ T2177]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  103.820945][ T2177]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  103.821081][ T2177]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  103.821218][ T2177]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  103.821352][ T2177]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  103.821491][ T2177]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  103.821629][ T2177]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  103.821775][ T2177]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  103.821912][ T2177]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  103.822049][ T2177]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  103.822187][ T2177]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  103.822334][ T2177]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  103.822477][ T2177]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  103.822615][ T2177]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  103.822755][ T2177]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  103.822893][ T2177]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  103.823032][ T2177]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  103.823172][ T2177]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  103.823311][ T2177]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  103.823456][ T2177]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  103.823592][ T2177]  ? copy_msghdr_from_user (net/socket.c:2635)
[  103.823735][ T2177]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  103.823904][ T2177]  ? move_addr_to_kernel (net/socket.c:258)
[  103.824046][ T2177]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  103.824182][ T2177]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  103.824319][ T2177]  ___sys_sendmsg (net/socket.c:2752)
[  103.824461][ T2177]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  103.824632][ T2177]  ? copy_msghdr_from_user (net/socket.c:2603)
[  103.824787][ T2177]  __sys_sendmsg (net/socket.c:2784)
[  103.824923][ T2177]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  103.825062][ T2177]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  103.825233][ T2177]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  103.825369][ T2177]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  103.825514][ T2177]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  103.825651][ T2177]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  103.825792][ T2177]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  103.825930][ T2177]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  103.826098][ T2177] RIP: 0033:0x7fe1d8ab208e
[  103.826241][ T2177] 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
[  103.826744][ T2177] RSP: 002b:00007ffe8e9a2b50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  103.826951][ T2177] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fe1d8ab208e
[  103.827155][ T2177] RDX: 0000000000000000 RSI: 00007ffe8e9a2c00 RDI: 0000000000000005
[  103.827360][ T2177] RBP: 00007ffe8e9a2b60 R08: 0000000000000000 R09: 0000000000000000
[  103.827571][ T2177] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e841
[  103.827783][ T2177] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe8e9a32c0
| [  104.853251][  T164] ------------[ cut here ]------------
| [  104.853522][  T164] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: devlink_trap.sh/164
| [  104.853886][  T164] Modules linked in: netdevsim
| [  104.854506][  T164] Tainted: [W]=WARN
[  104.854668][  T164] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  104.854910][  T164] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  104.855156][  T164] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  104.855754][  T164] RSP: 0018:ffa00000008177c8 EFLAGS: 00010286
[  104.855996][  T164] RAX: 00000000ffffffa6 RBX: ff1100000f764c40 RCX: 1ff4000000102ebf
[  104.856269][  T164] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000f764cf0
[  104.856561][  T164] RBP: ff1100000c2da000 R08: 1fe2200001eec99f R09: ff1100000c3aaf20
[  104.856838][  T164] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[  104.857112][  T164] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000008178b8
[  104.857384][  T164] FS:  00007fd927d35b80(0000) GS:ff1100007b085000(0000) knlGS:0000000000000000
[  104.857718][  T164] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  104.857955][  T164] CR2: 000055924f5f4040 CR3: 00000000096a3006 CR4: 0000000000771ef0
[  104.858229][  T164] PKRU: 55555554
[  104.858391][  T164] Call Trace:
[  104.858566][  T164]  <TASK>
[  104.858691][  T164]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  104.858904][  T164]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  104.859069][  T164]  netif_close_many (net/core/dev.c:1804)
[  104.859269][  T164]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  104.859485][  T164]  ? __dev_close_many (net/core/dev.c:1781)
[  104.859683][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  104.859892][  T164]  netif_close_many_and_unlock (net/core/dev.c:12330)
[  104.860091][  T164]  ? unregister_netdevice_many_notify (./include/linux/netdevice.h:2830 net/core/dev.c:12396)
[  104.860324][  T164]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[  104.860572][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  104.860783][  T164]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  104.860987][  T164]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  104.861186][  T164]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  104.861385][  T164]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  104.861631][  T164]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[  104.861841][  T164]  ? netdev_run_todo (net/core/dev.c:11703)
[  104.862041][  T164]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  104.862242][  T164]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  104.862456][  T164]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[  104.862657][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  104.862867][  T164]  ? unregister_netdevice_many (net/core/dev.c:12497)
[  104.863071][  T164] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[  104.863273][  T164]  ? kstrtouint (lib/kstrtox.c:233)
[  104.863488][  T164] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[  104.863736][  T164] nsim_drv_port_del (drivers/net/netdevsim/dev.c:1856) netdevsim
[  104.863975][  T164] del_port_store (drivers/net/netdevsim/bus.c:118) netdevsim
[  104.864174][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) fs/sysfs/file.c:24 (discriminator 2))
[  104.864375][  T164]  ? del_device_store (./include/linux/list.h:127 (discriminator 2)) netdevsim
[  104.864626][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[  104.864829][  T164]  ? sysfs_kf_write (fs/sysfs/file.c:137)
[  104.865029][  T164]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[  104.865226][  T164]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[  104.865439][  T164]  ? kernfs_ops (fs/kernfs/file.c:128)
[  104.865603][  T164]  new_sync_write (fs/read_write.c:595)
[  104.865813][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  104.866013][  T164]  ? new_sync_read (./include/linux/ioprio.h:41)
[  104.866213][  T164]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  104.866433][  T164]  ? ksys_write (fs/read_write.c:740)
[  104.866638][  T164]  vfs_write (fs/read_write.c:688)
[  104.866811][  T164]  ksys_write (fs/read_write.c:740)
[  104.866975][  T164]  ? __ia32_sys_read (fs/read_write.c:724)
[  104.867174][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  104.867374][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  104.867585][  T164]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  104.867824][  T164]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  104.868022][  T164]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  104.868218][  T164]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  104.868462][  T164] RIP: 0033:0x7fd927da708e
[  104.868682][  T164] 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
[  104.869275][  T164] RSP: 002b:00007ffca3d72d70 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[  104.869564][  T164] RAX: ffffffffffffffda RBX: 00007fd927f29580 RCX: 00007fd927da708e
[  104.869848][  T164] RDX: 0000000000000002 RSI: 000055924f5f4040 RDI: 0000000000000001
[  104.870159][  T164] RBP: 00007ffca3d72d80 R08: 0000000000000000 R09: 0000000000000000
[  104.870444][  T164] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002
[  104.870725][  T164] R13: 0000000000000002 R14: 000055924f5f4040 R15: 0000000000000000
| [  104.875815][  T164] ------------[ cut here ]------------
| [  104.876012][  T164] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: devlink_trap.sh/164
| [  104.876344][  T164] Modules linked in: netdevsim
| [  104.876938][  T164] Tainted: [W]=WARN
[  104.877094][  T164] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  104.877320][  T164] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  104.878137][  T164] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  104.878778][  T164] RSP: 0018:ffa0000000817948 EFLAGS: 00010286
[  104.879065][  T164] RAX: 00000000ffffffa6 RBX: ff1100000f765cc0 RCX: 1ff4000000102eef
[  104.879383][  T164] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000f765d70
[  104.879729][  T164] RBP: ff1100000c2da000 R08: 1fe2200001eecbaf R09: ff1100000c3aaef8
[  104.880050][  T164] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  104.880366][  T164] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  104.880698][  T164] FS:  00007fd927d35b80(0000) GS:ff1100007b085000(0000) knlGS:0000000000000000
[  104.881060][  T164] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  104.881349][  T164] CR2: 000055924f5f4040 CR3: 00000000096a3006 CR4: 0000000000771ef0
[  104.881682][  T164] PKRU: 55555554
[  104.881900][  T164] Call Trace:
[  104.882111][  T164]  <TASK>
[  104.882288][  T164]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  104.882591][  T164]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  104.882880][  T164]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[  104.883125][  T164]  ? netdev_run_todo (net/core/dev.c:11703)
[  104.883374][  T164]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  104.883628][  T164]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  104.883885][  T164]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[  104.884130][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  104.884375][  T164]  ? unregister_netdevice_many (net/core/dev.c:12497)
[  104.884632][  T164] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[  104.884889][  T164]  ? kstrtouint (lib/kstrtox.c:233)
[  104.885141][  T164] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[  104.885440][  T164] nsim_drv_port_del (drivers/net/netdevsim/dev.c:1856) netdevsim
[  104.885731][  T164] del_port_store (drivers/net/netdevsim/bus.c:118) netdevsim
[  104.885980][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) fs/sysfs/file.c:24 (discriminator 2))
[  104.886227][  T164]  ? del_device_store (./include/linux/list.h:127 (discriminator 2)) netdevsim
[  104.886520][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[  104.886770][  T164]  ? sysfs_kf_write (fs/sysfs/file.c:137)
[  104.886997][  T164]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[  104.887185][  T164]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[  104.887377][  T164]  ? kernfs_ops (fs/kernfs/file.c:128)
[  104.887546][  T164]  new_sync_write (fs/read_write.c:595)
[  104.887742][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  104.887934][  T164]  ? new_sync_read (./include/linux/ioprio.h:41)
[  104.888124][  T164]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  104.888312][  T164]  ? ksys_write (fs/read_write.c:740)
[  104.888525][  T164]  vfs_write (fs/read_write.c:688)
[  104.888682][  T164]  ksys_write (fs/read_write.c:740)
[  104.888845][  T164]  ? __ia32_sys_read (fs/read_write.c:724)
[  104.889035][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  104.889224][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  104.889426][  T164]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  104.889615][  T164]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  104.889813][  T164]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  104.890012][  T164]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  104.890236][  T164] RIP: 0033:0x7fd927da708e
[  104.890444][  T164] 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
[  104.890997][  T164] RSP: 002b:00007ffca3d72d70 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[  104.891260][  T164] RAX: ffffffffffffffda RBX: 00007fd927f29580 RCX: 00007fd927da708e
[  104.891529][  T164] RDX: 0000000000000002 RSI: 000055924f5f4040 RDI: 0000000000000001
[  104.891790][  T164] RBP: 00007ffca3d72d80 R08: 0000000000000000 R09: 0000000000000000
[  104.892050][  T164] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002
[  104.892310][  T164] R13: 0000000000000002 R14: 000055924f5f4040 R15: 0000000000000000
| [  104.922315][  T164] ------------[ cut here ]------------
| [  104.922511][  T164] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: devlink_trap.sh/164
| [  104.922813][  T164] Modules linked in: netdevsim
| [  104.923301][  T164] Tainted: [W]=WARN
[  104.923420][  T164] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  104.923607][  T164] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  104.923801][  T164] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  104.924321][  T164] RSP: 0018:ffa0000000817858 EFLAGS: 00010286
[  104.924513][  T164] RAX: 00000000ffffffa6 RBX: ff1100000d5a7e40 RCX: 1ff4000000102ed1
[  104.924740][  T164] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d5a7ef0
[  104.924959][  T164] RBP: ff1100000f582000 R08: 1fe2200001ab4fdf R09: ff1100000c3aaef8
[  104.925179][  T164] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[  104.925397][  T164] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f582000
[  104.925625][  T164] FS:  00007fd927d35b80(0000) GS:ff1100007b005000(0000) knlGS:0000000000000000
[  104.925889][  T164] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  104.926073][  T164] CR2: 000055924f4c40fc CR3: 00000000096a3003 CR4: 0000000000771ef0
[  104.926294][  T164] PKRU: 55555554
[  104.926406][  T164] Call Trace:
[  104.926521][  T164]  <TASK>
[  104.926601][  T164]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  104.926754][  T164]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  104.926868][  T164]  register_netdevice (net/core/dev.c:11488)
[  104.927017][  T164]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[  104.927197][  T164]  ? __debugfs_create_file (fs/debugfs/inode.c:412 fs/debugfs/inode.c:452)
[  104.927349][  T164] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[  104.927544][  T164] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[  104.927696][  T164] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[  104.927888][  T164]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[  104.928076][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  104.928225][  T164]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[  104.928371][  T164] nsim_drv_port_add (drivers/net/netdevsim/dev.c:1839) netdevsim
[  104.928563][  T164] new_port_store (drivers/net/netdevsim/bus.c:96 (discriminator 3)) netdevsim
[  104.928717][  T164]  ? del_port_store (drivers/net/netdevsim/bus.c:120) netdevsim
[  104.928905][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[  104.929052][  T164]  ? sysfs_kf_write (fs/sysfs/file.c:137)
[  104.929200][  T164]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[  104.929346][  T164]  ? kernfs_ops (fs/kernfs/file.c:128)
[  104.929461][  T164]  new_sync_write (fs/read_write.c:595)
[  104.929609][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  104.929762][  T164]  ? new_sync_read (./include/linux/ioprio.h:41)
[  104.929913][  T164]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  104.930059][  T164]  ? ksys_write (fs/read_write.c:740)
[  104.930210][  T164]  vfs_write (fs/read_write.c:688)
[  104.930321][  T164]  ksys_write (fs/read_write.c:740)
[  104.930439][  T164]  ? __ia32_sys_read (fs/read_write.c:724)
[  104.930585][  T164]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  104.930736][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  104.930884][  T164]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  104.931032][  T164]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  104.931179][  T164]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  104.931327][  T164]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  104.931515][  T164] RIP: 0033:0x7fd927da708e
[  104.931668][  T164] 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
[  104.932194][  T164] RSP: 002b:00007ffca3d72e70 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[  104.932420][  T164] RAX: ffffffffffffffda RBX: 00007fd927f29580 RCX: 00007fd927da708e
[  104.932640][  T164] RDX: 0000000000000002 RSI: 000055924f5f4040 RDI: 0000000000000001
[  104.932866][  T164] RBP: 00007ffca3d72e80 R08: 0000000000000000 R09: 0000000000000000
[  104.933088][  T164] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002
[  104.933309][  T164] R13: 0000000000000002 R14: 000055924f5f4040 R15: 0000000000000000
| [  105.036265][ T2183] ------------[ cut here ]------------
| [  105.036787][ T2183] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/2183
| [  105.037202][ T2183] Modules linked in: netdevsim
| [  105.037888][ T2183] Tainted: [W]=WARN
[  105.038037][ T2183] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  105.038256][ T2183] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  105.038496][ T2183] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  105.039052][ T2183] RSP: 0018:ffa0000003107020 EFLAGS: 00010286
[  105.039276][ T2183] RAX: 00000000ffffffa6 RBX: ff110000095e2c40 RCX: 1ff4000000620dca
[  105.039541][ T2183] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000095e2cf0
[  105.039806][ T2183] RBP: ff1100000f582000 R08: 1fe22000012bc59f R09: ff1100000beb5180
[  105.040057][ T2183] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[  105.040308][ T2183] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[  105.040575][ T2183] FS:  00007f3f4df71840(0000) GS:ff1100007b085000(0000) knlGS:0000000000000000
[  105.040874][ T2183] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  105.041094][ T2183] CR2: 00007f3f4e2411a0 CR3: 000000000b183006 CR4: 0000000000771ef0
[  105.041346][ T2183] PKRU: 55555554
[  105.041510][ T2183] Call Trace:
[  105.041662][ T2183]  <TASK>
[  105.041792][ T2183]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  105.041982][ T2183]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  105.042135][ T2183]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  105.042323][ T2183]  __dev_notify_flags (net/core/dev.c:9787)
[  105.042524][ T2183]  ? netif_change_name (net/core/dev.c:1495)
[  105.042717][ T2183]  ? __dev_change_flags (net/core/dev.c:9752)
[  105.042905][ T2183]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[  105.043088][ T2183]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  105.043276][ T2183]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[  105.043482][ T2183]  netif_change_flags (net/core/dev.c:9820)
[  105.043670][ T2183]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[  105.043862][ T2183]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  105.044049][ T2183]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  105.044268][ T2183]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  105.044463][ T2183]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  105.044650][ T2183]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  105.044847][ T2183]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  105.045033][ T2183]  ? __kernel_text_address (kernel/extable.c:79)
[  105.045221][ T2183]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  105.045424][ T2183]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  105.045608][ T2183]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  105.045802][ T2183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  105.045990][ T2183]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  105.046178][ T2183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  105.046364][ T2183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  105.046563][ T2183]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  105.046755][ T2183]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  105.046939][ T2183]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  105.047123][ T2183]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  105.047309][ T2183]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  105.047509][ T2183]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  105.047700][ T2183]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  105.047895][ T2183]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  105.048078][ T2183]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  105.048263][ T2183]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  105.048457][ T2183]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  105.048641][ T2183]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  105.048841][ T2183]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  105.049027][ T2183]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  105.049215][ T2183]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  105.049398][ T2183]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  105.049619][ T2183]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  105.049815][ T2183]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  105.050001][ T2183]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  105.050186][ T2183]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  105.050369][ T2183]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  105.050567][ T2183]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  105.050763][ T2183]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  105.050954][ T2183]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  105.051140][ T2183]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  105.051326][ T2183]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  105.051528][ T2183]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  105.051720][ T2183]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  105.051910][ T2183]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  105.052099][ T2183]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  105.052285][ T2183]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  105.052485][ T2183]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  105.052671][ T2183]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  105.052862][ T2183]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  105.053051][ T2183]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  105.053236][ T2183]  ? copy_msghdr_from_user (net/socket.c:2635)
[  105.053434][ T2183]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  105.053655][ T2183]  ? move_addr_to_kernel (net/socket.c:258)
[  105.053848][ T2183]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  105.054033][ T2183]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  105.054219][ T2183]  ___sys_sendmsg (net/socket.c:2752)
[  105.054403][ T2183]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  105.054637][ T2183]  ? copy_msghdr_from_user (net/socket.c:2603)
[  105.054841][ T2183]  __sys_sendmsg (net/socket.c:2784)
[  105.055026][ T2183]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  105.055209][ T2183]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  105.055447][ T2183]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  105.055631][ T2183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  105.055822][ T2183]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  105.056006][ T2183]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  105.056191][ T2183]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  105.056383][ T2183]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  105.056616][ T2183] RIP: 0033:0x7f3f4e1ab08e
[  105.056816][ T2183] 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
[  105.057345][ T2183] RSP: 002b:00007ffcb5aeca20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  105.057617][ T2183] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3f4e1ab08e
[  105.057876][ T2183] RDX: 0000000000000000 RSI: 00007ffcb5aecad0 RDI: 0000000000000005
[  105.058127][ T2183] RBP: 00007ffcb5aeca30 R08: 0000000000000000 R09: 0000000000000000
[  105.058377][ T2183] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e842
[  105.058645][ T2183] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcb5aed190
| [  106.086441][  T164] ------------[ cut here ]------------
| [  106.086645][  T164] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: devlink_trap.sh/164
| [  106.086963][  T164] Modules linked in: netdevsim
| [  106.087476][  T164] Tainted: [W]=WARN
[  106.087592][  T164] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  106.087788][  T164] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  106.087988][  T164] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  106.088538][  T164] RSP: 0018:ffa00000008177c8 EFLAGS: 00010286
[  106.088738][  T164] RAX: 00000000ffffffa6 RBX: ff1100000b2e87c0 RCX: 1ff4000000102ebf
[  106.088967][  T164] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b2e8870
[  106.089191][  T164] RBP: ff1100000f582000 R08: 1fe220000165d10f R09: ff1100000c3aaf20
[  106.089423][  T164] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[  106.089648][  T164] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000008178b8
[  106.089884][  T164] FS:  00007fd927d35b80(0000) GS:ff1100007b105000(0000) knlGS:0000000000000000
[  106.090149][  T164] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  106.090339][  T164] CR2: 000055924f5f4040 CR3: 00000000096a3001 CR4: 0000000000771ef0
[  106.090573][  T164] PKRU: 55555554
[  106.090693][  T164] Call Trace:
[  106.090814][  T164]  <TASK>
[  106.090894][  T164]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  106.091049][  T164]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  106.091164][  T164]  netif_close_many (net/core/dev.c:1804)
[  106.091313][  T164]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  106.091472][  T164]  ? __dev_close_many (net/core/dev.c:1781)
[  106.091621][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  106.091778][  T164]  netif_close_many_and_unlock (net/core/dev.c:12330)
[  106.091930][  T164]  ? unregister_netdevice_many_notify (./include/linux/netdevice.h:2830 net/core/dev.c:12396)
[  106.092116][  T164]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[  106.092301][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.092459][  T164]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  106.092610][  T164]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  106.092765][  T164]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  106.092916][  T164]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  106.093102][  T164]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[  106.093253][  T164]  ? netdev_run_todo (net/core/dev.c:11703)
[  106.093403][  T164]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  106.093560][  T164]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  106.093715][  T164]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[  106.093869][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.094021][  T164]  ? unregister_netdevice_many (net/core/dev.c:12497)
[  106.094172][  T164] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[  106.094328][  T164]  ? kstrtouint (lib/kstrtox.c:233)
[  106.094487][  T164] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[  106.094675][  T164] nsim_drv_port_del (drivers/net/netdevsim/dev.c:1856) netdevsim
[  106.094869][  T164] del_port_store (drivers/net/netdevsim/bus.c:118) netdevsim
[  106.095022][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) fs/sysfs/file.c:24 (discriminator 2))
[  106.095175][  T164]  ? del_device_store (./include/linux/list.h:127 (discriminator 2)) netdevsim
[  106.095361][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[  106.095517][  T164]  ? sysfs_kf_write (fs/sysfs/file.c:137)
[  106.095670][  T164]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[  106.095825][  T164]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[  106.095975][  T164]  ? kernfs_ops (fs/kernfs/file.c:128)
[  106.096091][  T164]  new_sync_write (fs/read_write.c:595)
[  106.096245][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  106.096396][  T164]  ? new_sync_read (./include/linux/ioprio.h:41)
[  106.096551][  T164]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.096701][  T164]  ? ksys_write (fs/read_write.c:740)
[  106.096901][  T164]  vfs_write (fs/read_write.c:688)
[  106.097014][  T164]  ksys_write (fs/read_write.c:740)
[  106.097126][  T164]  ? __ia32_sys_read (fs/read_write.c:724)
[  106.097271][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.097422][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.097568][  T164]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  106.097716][  T164]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  106.097862][  T164]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  106.098007][  T164]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  106.098189][  T164] RIP: 0033:0x7fd927da708e
[  106.098342][  T164] 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
[  106.098875][  T164] RSP: 002b:00007ffca3d72d70 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[  106.099096][  T164] RAX: ffffffffffffffda RBX: 00007fd927f29580 RCX: 00007fd927da708e
[  106.099314][  T164] RDX: 0000000000000002 RSI: 000055924f5f4040 RDI: 0000000000000001
[  106.099533][  T164] RBP: 00007ffca3d72d80 R08: 0000000000000000 R09: 0000000000000000
[  106.099756][  T164] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002
[  106.099977][  T164] R13: 0000000000000002 R14: 000055924f5f4040 R15: 0000000000000000
| [  106.104385][  T164] ------------[ cut here ]------------
| [  106.104539][  T164] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: devlink_trap.sh/164
| [  106.104816][  T164] Modules linked in: netdevsim
| [  106.105281][  T164] Tainted: [W]=WARN
[  106.105386][  T164] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  106.105564][  T164] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  106.105747][  T164] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  106.106236][  T164] RSP: 0018:ffa0000000817948 EFLAGS: 00010286
[  106.106416][  T164] RAX: 00000000ffffffa6 RBX: ff1100000b2e9840 RCX: 1ff4000000102eef
[  106.106621][  T164] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b2e98f0
[  106.106830][  T164] RBP: ff1100000f582000 R08: 1fe220000165d31f R09: ff1100000c3aaef8
[  106.107036][  T164] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[  106.107240][  T164] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  106.107450][  T164] FS:  00007fd927d35b80(0000) GS:ff1100007b105000(0000) knlGS:0000000000000000
[  106.107691][  T164] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  106.107871][  T164] CR2: 000055924f5f4040 CR3: 00000000096a3001 CR4: 0000000000771ef0
[  106.108078][  T164] PKRU: 55555554
[  106.108182][  T164] Call Trace:
[  106.108286][  T164]  <TASK>
[  106.108357][  T164]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  106.108537][  T164]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  106.108705][  T164]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[  106.108847][  T164]  ? netdev_run_todo (net/core/dev.c:11703)
[  106.108984][  T164]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  106.109121][  T164]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  106.109261][  T164]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[  106.109397][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.109539][  T164]  ? unregister_netdevice_many (net/core/dev.c:12497)
[  106.109678][  T164] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[  106.109824][  T164]  ? kstrtouint (lib/kstrtox.c:233)
[  106.109962][  T164] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[  106.110135][  T164] nsim_drv_port_del (drivers/net/netdevsim/dev.c:1856) netdevsim
[  106.110307][  T164] del_port_store (drivers/net/netdevsim/bus.c:118) netdevsim
[  106.111040][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) fs/sysfs/file.c:24 (discriminator 2))
[  106.111178][  T164]  ? del_device_store (./include/linux/list.h:127 (discriminator 2)) netdevsim
[  106.111348][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[  106.111541][  T164]  ? sysfs_kf_write (fs/sysfs/file.c:137)
[  106.111677][  T164]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[  106.111816][  T164]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[  106.111956][  T164]  ? kernfs_ops (fs/kernfs/file.c:128)
[  106.112061][  T164]  new_sync_write (fs/read_write.c:595)
[  106.112201][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  106.112339][  T164]  ? new_sync_read (./include/linux/ioprio.h:41)
[  106.112536][  T164]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.112676][  T164]  ? ksys_write (fs/read_write.c:740)
[  106.112824][  T164]  vfs_write (fs/read_write.c:688)
[  106.112932][  T164]  ksys_write (fs/read_write.c:740)
[  106.113038][  T164]  ? __ia32_sys_read (fs/read_write.c:724)
[  106.113232][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.113373][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.113570][  T164]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  106.113714][  T164]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  106.113854][  T164]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  106.113992][  T164]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  106.114163][  T164] RIP: 0033:0x7fd927da708e
[  106.114309][  T164] 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
[  106.114865][  T164] RSP: 002b:00007ffca3d72d70 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[  106.115068][  T164] RAX: ffffffffffffffda RBX: 00007fd927f29580 RCX: 00007fd927da708e
[  106.115269][  T164] RDX: 0000000000000002 RSI: 000055924f5f4040 RDI: 0000000000000001
[  106.115527][  T164] RBP: 00007ffca3d72d80 R08: 0000000000000000 R09: 0000000000000000
[  106.115735][  T164] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002
[  106.115937][  T164] R13: 0000000000000002 R14: 000055924f5f4040 R15: 0000000000000000
| [  106.145996][  T164] ------------[ cut here ]------------
| [  106.146161][  T164] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: devlink_trap.sh/164
| [  106.146540][  T164] Modules linked in: netdevsim
| [  106.147083][  T164] Tainted: [W]=WARN
[  106.147191][  T164] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  106.147368][  T164] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  106.147615][  T164] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  106.148127][  T164] RSP: 0018:ffa0000000817858 EFLAGS: 00010286
[  106.148308][  T164] RAX: 00000000ffffffa6 RBX: ff1100000b0124c0 RCX: 1ff4000000102ed1
[  106.148582][  T164] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b012570
[  106.148798][  T164] RBP: ff11000008b22000 R08: 1fe22000016024af R09: ff1100000c3aaef8
[  106.149014][  T164] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[  106.149225][  T164] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008b22000
[  106.149558][  T164] FS:  00007fd927d35b80(0000) GS:ff1100007af85000(0000) knlGS:0000000000000000
[  106.149837][  T164] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  106.150016][  T164] CR2: 000055924f4e7e98 CR3: 00000000096a3002 CR4: 0000000000771ef0
[  106.150229][  T164] PKRU: 55555554
[  106.150338][  T164] Call Trace:
[  106.150563][  T164]  <TASK>
[  106.150638][  T164]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  106.150793][  T164]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  106.150902][  T164]  register_netdevice (net/core/dev.c:11488)
[  106.151048][  T164]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[  106.151225][  T164]  ? __debugfs_create_file (fs/debugfs/inode.c:412 fs/debugfs/inode.c:452)
[  106.151372][  T164] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[  106.151678][  T164] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[  106.151825][  T164] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[  106.152002][  T164]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[  106.152187][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  106.152332][  T164]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[  106.152620][  T164] nsim_drv_port_add (drivers/net/netdevsim/dev.c:1839) netdevsim
[  106.152810][  T164] new_port_store (drivers/net/netdevsim/bus.c:96 (discriminator 3)) netdevsim
[  106.152955][  T164]  ? del_port_store (drivers/net/netdevsim/bus.c:120) netdevsim
[  106.153134][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[  106.153276][  T164]  ? sysfs_kf_write (fs/sysfs/file.c:137)
[  106.153503][  T164]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[  106.153646][  T164]  ? kernfs_ops (fs/kernfs/file.c:128)
[  106.153874][  T164]  new_sync_write (fs/read_write.c:595)
[  106.154017][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  106.154160][  T164]  ? new_sync_read (./include/linux/ioprio.h:41)
[  106.154303][  T164]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.154504][  T164]  ? ksys_write (fs/read_write.c:740)
[  106.154650][  T164]  vfs_write (fs/read_write.c:688)
[  106.154762][  T164]  ksys_write (fs/read_write.c:740)
[  106.154871][  T164]  ? __ia32_sys_read (fs/read_write.c:724)
[  106.155013][  T164]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  106.155155][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.155297][  T164]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  106.155499][  T164]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  106.155642][  T164]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  106.155788][  T164]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  106.155963][  T164] RIP: 0033:0x7fd927da708e
[  106.156114][  T164] 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
[  106.156678][  T164] RSP: 002b:00007ffca3d72e70 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[  106.156897][  T164] RAX: ffffffffffffffda RBX: 00007fd927f29580 RCX: 00007fd927da708e
[  106.157108][  T164] RDX: 0000000000000002 RSI: 000055924f5f4040 RDI: 0000000000000001
[  106.157320][  T164] RBP: 00007ffca3d72e80 R08: 0000000000000000 R09: 0000000000000000
[  106.157579][  T164] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002
[  106.157794][  T164] R13: 0000000000000002 R14: 000055924f5f4040 R15: 0000000000000000
| [  106.248935][ T2188] ------------[ cut here ]------------
| [  106.249120][ T2188] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/2188
| [  106.249398][ T2188] Modules linked in: netdevsim
| [  106.249849][ T2188] Tainted: [W]=WARN
[  106.249950][ T2188] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  106.250116][ T2188] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  106.250288][ T2188] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  106.250860][ T2188] RSP: 0018:ffa00000030e7020 EFLAGS: 00010286
[  106.251114][ T2188] RAX: 00000000ffffffa6 RBX: ff1100000c04f6c0 RCX: 1ff400000061cdca
[  106.251432][ T2188] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c04f770
[  106.251747][ T2188] RBP: ff11000008b22000 R08: 1fe2200001809eef R09: ff1100000cc80b80
[  106.252055][ T2188] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[  106.252358][ T2188] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[  106.252595][ T2188] FS:  00007f703d848840(0000) GS:ff1100007b105000(0000) knlGS:0000000000000000
[  106.252839][ T2188] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  106.253007][ T2188] CR2: 0000000019484988 CR3: 0000000010005006 CR4: 0000000000771ef0
[  106.253226][ T2188] PKRU: 55555554
[  106.253333][ T2188] Call Trace:
[  106.253438][ T2188]  <TASK>
[  106.253507][ T2188]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[  106.253642][ T2188]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  106.253784][ T2188]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  106.253885][ T2188]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  106.254018][ T2188]  __dev_notify_flags (net/core/dev.c:9787)
[  106.254161][ T2188]  ? netif_change_name (net/core/dev.c:1495)
[  106.254292][ T2188]  ? __dev_change_flags (net/core/dev.c:9752)
[  106.254427][ T2188]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[  106.254558][ T2188]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.254693][ T2188]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[  106.254832][ T2188]  netif_change_flags (net/core/dev.c:9820)
[  106.254964][ T2188]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[  106.255097][ T2188]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  106.255240][ T2188]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  106.255406][ T2188]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  106.255545][ T2188]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  106.255677][ T2188]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  106.255825][ T2188]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  106.255957][ T2188]  ? __kernel_text_address (kernel/extable.c:79)
[  106.256090][ T2188]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  106.256224][ T2188]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.256355][ T2188]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  106.256490][ T2188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.256623][ T2188]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  106.256778][ T2188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.256910][ T2188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.257041][ T2188]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  106.257171][ T2188]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  106.257321][ T2188]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  106.257462][ T2188]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  106.257606][ T2188]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  106.257749][ T2188]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  106.257883][ T2188]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  106.258017][ T2188]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.258147][ T2188]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  106.258278][ T2188]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  106.258428][ T2188]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  106.258621][ T2188]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.258825][ T2188]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.258956][ T2188]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  106.259089][ T2188]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  106.259221][ T2188]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.259353][ T2188]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  106.259491][ T2188]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  106.259621][ T2188]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  106.259759][ T2188]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  106.259894][ T2188]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  106.260027][ T2188]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.260157][ T2188]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  106.260290][ T2188]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  106.260426][ T2188]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  106.260558][ T2188]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  106.260696][ T2188]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  106.260849][ T2188]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  106.260984][ T2188]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  106.261116][ T2188]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  106.261246][ T2188]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  106.261381][ T2188]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  106.261519][ T2188]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  106.261650][ T2188]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  106.261792][ T2188]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  106.261927][ T2188]  ? copy_msghdr_from_user (net/socket.c:2635)
[  106.262057][ T2188]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  106.262221][ T2188]  ? move_addr_to_kernel (net/socket.c:258)
[  106.262352][ T2188]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  106.262486][ T2188]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  106.262619][ T2188]  ___sys_sendmsg (net/socket.c:2752)
[  106.262756][ T2188]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  106.262921][ T2188]  ? copy_msghdr_from_user (net/socket.c:2603)
[  106.263076][ T2188]  __sys_sendmsg (net/socket.c:2784)
[  106.263208][ T2188]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  106.263339][ T2188]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  106.263512][ T2188]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  106.263644][ T2188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.263781][ T2188]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  106.263914][ T2188]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  106.264046][ T2188]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  106.264178][ T2188]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  106.264342][ T2188] RIP: 0033:0x7f703da8208e
[  106.264485][ T2188] 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
[  106.264957][ T2188] RSP: 002b:00007fff2a38fea0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  106.265182][ T2188] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f703da8208e
[  106.265391][ T2188] RDX: 0000000000000000 RSI: 00007fff2a38ff50 RDI: 0000000000000005
[  106.265594][ T2188] RBP: 00007fff2a38feb0 R08: 0000000000000000 R09: 0000000000000000
[  106.265802][ T2188] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e843
[  106.266001][ T2188] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff2a390610
| [  107.295727][  T164] ------------[ cut here ]------------
| [  107.295953][  T164] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: devlink_trap.sh/164
| [  107.296257][  T164] Modules linked in: netdevsim
| [  107.296768][  T164] Tainted: [W]=WARN
[  107.296880][  T164] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  107.297062][  T164] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  107.297252][  T164] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  107.297784][  T164] RSP: 0018:ffa00000008177c8 EFLAGS: 00010286
[  107.297971][  T164] RAX: 00000000ffffffa6 RBX: ff1100000b0ea4c0 RCX: 1ff4000000102ebf
[  107.298197][  T164] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b0ea570
[  107.298420][  T164] RBP: ff11000008b22000 R08: 1fe220000161d4af R09: ff1100000c3aaf20
[  107.298638][  T164] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[  107.298880][  T164] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000008178b8
[  107.299113][  T164] FS:  00007fd927d35b80(0000) GS:ff1100007af85000(0000) knlGS:0000000000000000
[  107.299375][  T164] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  107.299567][  T164] CR2: 000055924f5f4040 CR3: 00000000096a3002 CR4: 0000000000771ef0
[  107.299792][  T164] PKRU: 55555554
[  107.299902][  T164] Call Trace:
[  107.300013][  T164]  <TASK>
[  107.300090][  T164]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  107.300241][  T164]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  107.300353][  T164]  netif_close_many (net/core/dev.c:1804)
[  107.300507][  T164]  ? __dev_close_many (net/core/dev.c:1781)
[  107.300653][  T164]  ? trace_contention_end (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:649 ./include/linux/cpumask.h:1231 ./include/trace/events/lock.h:122)
[  107.300835][  T164]  netif_close_many_and_unlock (net/core/dev.c:12330)
[  107.300983][  T164]  ? unregister_netdevice_many_notify (./include/linux/netdevice.h:2830 net/core/dev.c:12396)
[  107.301164][  T164]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[  107.301346][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.301495][  T164]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  107.301640][  T164]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  107.301793][  T164]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  107.301938][  T164]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  107.302117][  T164]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[  107.302263][  T164]  ? netdev_run_todo (net/core/dev.c:11703)
[  107.302416][  T164]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  107.302560][  T164]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  107.302707][  T164]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[  107.302856][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.303004][  T164]  ? unregister_netdevice_many (net/core/dev.c:12497)
[  107.303177][  T164] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[  107.303328][  T164]  ? kstrtouint (lib/kstrtox.c:233)
[  107.303513][  T164] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[  107.303702][  T164] nsim_drv_port_del (drivers/net/netdevsim/dev.c:1856) netdevsim
[  107.303890][  T164] del_port_store (drivers/net/netdevsim/bus.c:118) netdevsim
[  107.304048][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) fs/sysfs/file.c:24 (discriminator 2))
[  107.304196][  T164]  ? del_device_store (./include/linux/list.h:127 (discriminator 2)) netdevsim
[  107.304377][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[  107.304528][  T164]  ? sysfs_kf_write (fs/sysfs/file.c:137)
[  107.304674][  T164]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[  107.304831][  T164]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[  107.304981][  T164]  ? kernfs_ops (fs/kernfs/file.c:128)
[  107.305090][  T164]  new_sync_write (fs/read_write.c:595)
[  107.305238][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  107.305383][  T164]  ? new_sync_read (./include/linux/ioprio.h:41)
[  107.305532][  T164]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.305678][  T164]  ? ksys_write (fs/read_write.c:740)
[  107.305839][  T164]  vfs_write (fs/read_write.c:688)
[  107.305952][  T164]  ksys_write (fs/read_write.c:740)
[  107.306062][  T164]  ? __ia32_sys_read (fs/read_write.c:724)
[  107.306208][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.306354][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.306510][  T164]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  107.306656][  T164]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  107.306811][  T164]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  107.306958][  T164]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  107.307171][  T164] RIP: 0033:0x7fd927da708e
[  107.307342][  T164] 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
[  107.307868][  T164] RSP: 002b:00007ffca3d72d70 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[  107.308118][  T164] RAX: ffffffffffffffda RBX: 00007fd927f29580 RCX: 00007fd927da708e
[  107.308335][  T164] RDX: 0000000000000002 RSI: 000055924f5f4040 RDI: 0000000000000001
[  107.308560][  T164] RBP: 00007ffca3d72d80 R08: 0000000000000000 R09: 0000000000000000
[  107.308780][  T164] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002
[  107.308999][  T164] R13: 0000000000000002 R14: 000055924f5f4040 R15: 0000000000000000
| [  107.313482][  T164] ------------[ cut here ]------------
| [  107.313641][  T164] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: devlink_trap.sh/164
| [  107.313931][  T164] Modules linked in: netdevsim
| [  107.314400][  T164] Tainted: [W]=WARN
[  107.315122][  T164] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  107.315305][  T164] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  107.315552][  T164] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  107.316062][  T164] RSP: 0018:ffa0000000817948 EFLAGS: 00010286
[  107.316247][  T164] RAX: 00000000ffffffa6 RBX: ff1100000b0eb540 RCX: 1ff4000000102eef
[  107.316521][  T164] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b0eb5f0
[  107.316739][  T164] RBP: ff11000008b22000 R08: 1fe220000161d6bf R09: ff1100000c3aaef8
[  107.316956][  T164] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[  107.317172][  T164] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  107.317456][  T164] FS:  00007fd927d35b80(0000) GS:ff1100007af85000(0000) knlGS:0000000000000000
[  107.317708][  T164] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  107.317897][  T164] CR2: 000055924f5f4040 CR3: 00000000096a3002 CR4: 0000000000771ef0
[  107.318114][  T164] PKRU: 55555554
[  107.318221][  T164] Call Trace:
[  107.318347][  T164]  <TASK>
[  107.318478][  T164]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  107.318666][  T164]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  107.318850][  T164]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[  107.318991][  T164]  ? netdev_run_todo (net/core/dev.c:11703)
[  107.319134][  T164]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  107.319279][  T164]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  107.319481][  T164]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[  107.319626][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.319779][  T164]  ? unregister_netdevice_many (net/core/dev.c:12497)
[  107.319925][  T164] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[  107.320073][  T164]  ? kstrtouint (lib/kstrtox.c:233)
[  107.320219][  T164] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[  107.320401][  T164] nsim_drv_port_del (drivers/net/netdevsim/dev.c:1856) netdevsim
[  107.320639][  T164] del_port_store (drivers/net/netdevsim/bus.c:118) netdevsim
[  107.320788][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) fs/sysfs/file.c:24 (discriminator 2))
[  107.320935][  T164]  ? del_device_store (./include/linux/list.h:127 (discriminator 2)) netdevsim
[  107.321114][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[  107.321258][  T164]  ? sysfs_kf_write (fs/sysfs/file.c:137)
[  107.321401][  T164]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[  107.321602][  T164]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[  107.321750][  T164]  ? kernfs_ops (fs/kernfs/file.c:128)
[  107.321858][  T164]  new_sync_write (fs/read_write.c:595)
[  107.322005][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  107.322149][  T164]  ? new_sync_read (./include/linux/ioprio.h:41)
[  107.322295][  T164]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.322495][  T164]  ? ksys_write (fs/read_write.c:740)
[  107.322643][  T164]  vfs_write (fs/read_write.c:688)
[  107.322759][  T164]  ksys_write (fs/read_write.c:740)
[  107.322867][  T164]  ? __ia32_sys_read (fs/read_write.c:724)
[  107.323011][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.323156][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.323299][  T164]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  107.323499][  T164]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  107.323646][  T164]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  107.323793][  T164]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  107.323972][  T164] RIP: 0033:0x7fd927da708e
[  107.324121][  T164] 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
[  107.324687][  T164] RSP: 002b:00007ffca3d72d70 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[  107.324906][  T164] RAX: ffffffffffffffda RBX: 00007fd927f29580 RCX: 00007fd927da708e
[  107.325115][  T164] RDX: 0000000000000002 RSI: 000055924f5f4040 RDI: 0000000000000001
[  107.325328][  T164] RBP: 00007ffca3d72d80 R08: 0000000000000000 R09: 0000000000000000
[  107.325599][  T164] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002
[  107.325815][  T164] R13: 0000000000000002 R14: 000055924f5f4040 R15: 0000000000000000
| [  107.349976][  T164] ------------[ cut here ]------------
| [  107.350163][  T164] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: devlink_trap.sh/164
| [  107.350477][  T164] Modules linked in: netdevsim
| [  107.350975][  T164] Tainted: [W]=WARN
[  107.351086][  T164] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  107.351270][  T164] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  107.351465][  T164] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  107.351998][  T164] RSP: 0018:ffa0000000817858 EFLAGS: 00010286
[  107.352187][  T164] RAX: 00000000ffffffa6 RBX: ff1100000e5944c0 RCX: 1ff4000000102ed1
[  107.352415][  T164] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000e594570
[  107.352635][  T164] RBP: ff110000101da000 R08: 1fe2200001cb28af R09: ff1100000c3aaef8
[  107.352864][  T164] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[  107.353082][  T164] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000101da000
[  107.353303][  T164] FS:  00007fd927d35b80(0000) GS:ff1100007af85000(0000) knlGS:0000000000000000
[  107.353567][  T164] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  107.353759][  T164] CR2: 000055924f4f2258 CR3: 00000000096a3002 CR4: 0000000000771ef0
[  107.353979][  T164] PKRU: 55555554
[  107.354090][  T164] Call Trace:
[  107.354201][  T164]  <TASK>
[  107.354277][  T164]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  107.354431][  T164]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  107.354545][  T164]  register_netdevice (net/core/dev.c:11488)
[  107.354697][  T164]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[  107.354885][  T164]  ? __debugfs_create_file (fs/debugfs/inode.c:412 fs/debugfs/inode.c:452)
[  107.355037][  T164] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[  107.355227][  T164] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[  107.355378][  T164] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[  107.355569][  T164]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[  107.355762][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  107.355914][  T164]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[  107.356061][  T164] nsim_drv_port_add (drivers/net/netdevsim/dev.c:1839) netdevsim
[  107.356247][  T164] new_port_store (drivers/net/netdevsim/bus.c:96 (discriminator 3)) netdevsim
[  107.356396][  T164]  ? del_port_store (drivers/net/netdevsim/bus.c:120) netdevsim
[  107.356589][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[  107.356741][  T164]  ? sysfs_kf_write (fs/sysfs/file.c:137)
[  107.356889][  T164]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[  107.357040][  T164]  ? kernfs_ops (fs/kernfs/file.c:128)
[  107.357151][  T164]  new_sync_write (fs/read_write.c:595)
[  107.357301][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  107.357454][  T164]  ? new_sync_read (./include/linux/ioprio.h:41)
[  107.357603][  T164]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.357760][  T164]  ? ksys_write (fs/read_write.c:740)
[  107.357912][  T164]  vfs_write (fs/read_write.c:688)
[  107.358026][  T164]  ksys_write (fs/read_write.c:740)
[  107.358140][  T164]  ? __ia32_sys_read (fs/read_write.c:724)
[  107.358286][  T164]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  107.358441][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.358593][  T164]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  107.358747][  T164]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  107.358896][  T164]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  107.359046][  T164]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  107.359230][  T164] RIP: 0033:0x7fd927da708e
[  107.359385][  T164] 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
[  107.359916][  T164] RSP: 002b:00007ffca3d72e70 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[  107.360241][  T164] RAX: ffffffffffffffda RBX: 00007fd927f29580 RCX: 00007fd927da708e
[  107.360468][  T164] RDX: 0000000000000002 RSI: 000055924f5f4040 RDI: 0000000000000001
[  107.360689][  T164] RBP: 00007ffca3d72e80 R08: 0000000000000000 R09: 0000000000000000
[  107.361016][  T164] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002
[  107.361234][  T164] R13: 0000000000000002 R14: 000055924f5f4040 R15: 0000000000000000
| [  108.430883][ T2237] ------------[ cut here ]------------
| [  108.431077][ T2237] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/2237
| [  108.431363][ T2237] Modules linked in: netdevsim
| [  108.431801][ T2237] Tainted: [W]=WARN
[  108.431908][ T2237] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  108.432083][ T2237] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  108.432266][ T2237] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  108.432784][ T2237] RSP: 0018:ffa0000003367020 EFLAGS: 00010286
[  108.432960][ T2237] RAX: 00000000ffffffa6 RBX: ff1100000e5941c0 RCX: 1ff400000066cdca
[  108.433167][ T2237] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000e594270
[  108.433373][ T2237] RBP: ff110000101da000 R08: 1fe2200001cb284f R09: ff1100000c202e80
[  108.433587][ T2237] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[  108.433798][ T2237] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[  108.434008][ T2237] FS:  00007fb3e7a0b840(0000) GS:ff1100007af85000(0000) knlGS:0000000000000000
[  108.434253][ T2237] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  108.434435][ T2237] CR2: 00000000024b5988 CR3: 000000000d517006 CR4: 0000000000771ef0
[  108.434644][ T2237] PKRU: 55555554
[  108.434756][ T2237] Call Trace:
[  108.434861][ T2237]  <TASK>
[  108.434934][ T2237]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  108.435075][ T2237]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  108.435181][ T2237]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  108.435321][ T2237]  __dev_notify_flags (net/core/dev.c:9787)
[  108.435467][ T2237]  ? netif_change_name (net/core/dev.c:1495)
[  108.435605][ T2237]  ? __dev_change_flags (net/core/dev.c:9752)
[  108.435748][ T2237]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[  108.435886][ T2237]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  108.436026][ T2237]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[  108.436168][ T2237]  netif_change_flags (net/core/dev.c:9820)
[  108.436306][ T2237]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[  108.436454][ T2237]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  108.436595][ T2237]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  108.436770][ T2237]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  108.436908][ T2237]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  108.437047][ T2237]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  108.437185][ T2237]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  108.437325][ T2237]  ? __kernel_text_address (kernel/extable.c:79)
[  108.437473][ T2237]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  108.437616][ T2237]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  108.437761][ T2237]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  108.437901][ T2237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  108.438038][ T2237]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  108.438176][ T2237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  108.438314][ T2237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  108.438457][ T2237]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  108.438595][ T2237]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  108.438740][ T2237]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  108.438876][ T2237]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  108.439015][ T2237]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  108.439155][ T2237]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  108.439296][ T2237]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  108.439443][ T2237]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  108.439580][ T2237]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  108.439725][ T2237]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  108.439866][ T2237]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  108.440002][ T2237]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  108.440142][ T2237]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  108.440280][ T2237]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  108.440422][ T2237]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  108.440560][ T2237]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  108.440698][ T2237]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  108.440841][ T2237]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  108.440982][ T2237]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  108.441120][ T2237]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  108.441256][ T2237]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  108.441400][ T2237]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  108.441543][ T2237]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  108.441681][ T2237]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  108.441825][ T2237]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  108.441961][ T2237]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  108.442101][ T2237]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  108.442239][ T2237]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  108.442378][ T2237]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  108.442521][ T2237]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  108.442659][ T2237]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  108.442799][ T2237]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  108.442938][ T2237]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  108.443076][ T2237]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  108.443218][ T2237]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  108.443355][ T2237]  ? copy_msghdr_from_user (net/socket.c:2635)
[  108.443495][ T2237]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  108.443667][ T2237]  ? move_addr_to_kernel (net/socket.c:258)
[  108.443812][ T2237]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  108.443951][ T2237]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  108.444090][ T2237]  ___sys_sendmsg (net/socket.c:2752)
[  108.444224][ T2237]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  108.444394][ T2237]  ? copy_msghdr_from_user (net/socket.c:2603)
[  108.444548][ T2237]  __sys_sendmsg (net/socket.c:2784)
[  108.444685][ T2237]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  108.444829][ T2237]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  108.445002][ T2237]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  108.445139][ T2237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  108.445276][ T2237]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  108.445418][ T2237]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  108.445556][ T2237]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  108.445693][ T2237]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  108.445872][ T2237] RIP: 0033:0x7fb3e7c4508e
[  108.446021][ T2237] 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
[  108.446519][ T2237] RSP: 002b:00007ffd1512ea40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  108.446730][ T2237] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fb3e7c4508e
[  108.446937][ T2237] RDX: 0000000000000000 RSI: 00007ffd1512eaf0 RDI: 0000000000000005
[  108.447142][ T2237] RBP: 00007ffd1512ea50 R08: 0000000000000000 R09: 0000000000000000
[  108.447349][ T2237] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e845
[  108.447559][ T2237] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd1512f1b0
| [  109.465199][  T164] ------------[ cut here ]------------
| [  109.465465][  T164] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: devlink_trap.sh/164
| [  109.465830][  T164] Modules linked in: netdevsim
| [  109.466449][  T164] Tainted: [W]=WARN
[  109.466611][  T164] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  109.466858][  T164] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  109.467115][  T164] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  109.467708][  T164] RSP: 0018:ffa00000008177c8 EFLAGS: 00010286
[  109.467958][  T164] RAX: 00000000ffffffa6 RBX: ff1100000be2e340 RCX: 1ff4000000102ebf
[  109.468237][  T164] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000be2e3f0
[  109.468525][  T164] RBP: ff110000101da000 R08: 1fe22000017c5c7f R09: ff1100000c3aaf20
[  109.468810][  T164] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[  109.469087][  T164] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000008178b8
[  109.469362][  T164] FS:  00007fd927d35b80(0000) GS:ff1100007b085000(0000) knlGS:0000000000000000
[  109.469689][  T164] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  109.469935][  T164] CR2: 000055924f5f4040 CR3: 00000000096a3001 CR4: 0000000000771ef0
[  109.470212][  T164] PKRU: 55555554
[  109.470375][  T164] Call Trace:
[  109.470548][  T164]  <TASK>
[  109.470675][  T164]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  109.470884][  T164]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  109.471047][  T164]  netif_close_many (net/core/dev.c:1804)
[  109.471245][  T164]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  109.471462][  T164]  ? __dev_close_many (net/core/dev.c:1781)
[  109.471663][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  109.471880][  T164]  netif_close_many_and_unlock (net/core/dev.c:12330)
[  109.472080][  T164]  ? unregister_netdevice_many_notify (./include/linux/netdevice.h:2830 net/core/dev.c:12396)
[  109.472314][  T164]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[  109.472566][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  109.472772][  T164]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  109.472970][  T164]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  109.473169][  T164]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  109.473374][  T164]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  109.473619][  T164]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[  109.473828][  T164]  ? netdev_run_todo (net/core/dev.c:11703)
[  109.474029][  T164]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  109.474227][  T164]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  109.474441][  T164]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[  109.474640][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  109.474845][  T164]  ? unregister_netdevice_many (net/core/dev.c:12497)
[  109.475049][  T164] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[  109.475253][  T164]  ? kstrtouint (lib/kstrtox.c:233)
[  109.475465][  T164] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[  109.475706][  T164] nsim_drv_port_del (drivers/net/netdevsim/dev.c:1856) netdevsim
[  109.475954][  T164] del_port_store (drivers/net/netdevsim/bus.c:118) netdevsim
[  109.476155][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) fs/sysfs/file.c:24 (discriminator 2))
[  109.476363][  T164]  ? del_device_store (./include/linux/list.h:127 (discriminator 2)) netdevsim
[  109.476614][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[  109.476824][  T164]  ? sysfs_kf_write (fs/sysfs/file.c:137)
[  109.477028][  T164]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[  109.477226][  T164]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[  109.477438][  T164]  ? kernfs_ops (fs/kernfs/file.c:128)
[  109.477602][  T164]  new_sync_write (fs/read_write.c:595)
[  109.477811][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  109.478028][  T164]  ? new_sync_read (./include/linux/ioprio.h:41)
[  109.478230][  T164]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  109.478441][  T164]  ? ksys_write (fs/read_write.c:740)
[  109.478644][  T164]  vfs_write (fs/read_write.c:688)
[  109.478815][  T164]  ksys_write (fs/read_write.c:740)
[  109.478981][  T164]  ? __ia32_sys_read (fs/read_write.c:724)
[  109.479180][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  109.479377][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  109.479595][  T164]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  109.479804][  T164]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  109.480005][  T164]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  109.480205][  T164]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  109.480453][  T164] RIP: 0033:0x7fd927da708e
[  109.480659][  T164] 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
[  109.481251][  T164] RSP: 002b:00007ffca3d72790 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[  109.481535][  T164] RAX: ffffffffffffffda RBX: 00007fd927f29580 RCX: 00007fd927da708e
[  109.481816][  T164] RDX: 0000000000000002 RSI: 000055924f5f4040 RDI: 0000000000000001
[  109.482089][  T164] RBP: 00007ffca3d727a0 R08: 0000000000000000 R09: 0000000000000000
[  109.482366][  T164] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002
[  109.482649][  T164] R13: 0000000000000002 R14: 000055924f5f4040 R15: 0000000000000000
| [  109.487773][  T164] ------------[ cut here ]------------
| [  109.487974][  T164] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: devlink_trap.sh/164
| [  109.488303][  T164] Modules linked in: netdevsim
| [  109.488894][  T164] Tainted: [W]=WARN
[  109.489049][  T164] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  109.489275][  T164] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  109.489523][  T164] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  109.490084][  T164] RSP: 0018:ffa0000000817948 EFLAGS: 00010286
[  109.490312][  T164] RAX: 00000000ffffffa6 RBX: ff1100000be2f3c0 RCX: 1ff4000000102eef
[  109.491125][  T164] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000be2f470
[  109.491459][  T164] RBP: ff110000101da000 R08: 1fe22000017c5e8f R09: ff1100000c3aaef8
[  109.491789][  T164] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  109.492107][  T164] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  109.492438][  T164] FS:  00007fd927d35b80(0000) GS:ff1100007b085000(0000) knlGS:0000000000000000
[  109.492802][  T164] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  109.493084][  T164] CR2: 000055924f5f4040 CR3: 00000000096a3001 CR4: 0000000000771ef0
[  109.493405][  T164] PKRU: 55555554
[  109.493678][  T164] Call Trace:
[  109.493898][  T164]  <TASK>
[  109.494076][  T164]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  109.494366][  T164]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  109.494660][  T164]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[  109.494922][  T164]  ? netdev_run_todo (net/core/dev.c:11703)
[  109.495173][  T164]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  109.495441][  T164]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  109.495690][  T164]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[  109.495947][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  109.496195][  T164]  ? unregister_netdevice_many (net/core/dev.c:12497)
[  109.496460][  T164] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[  109.496711][  T164]  ? kstrtouint (lib/kstrtox.c:233)
[  109.496969][  T164] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[  109.497257][  T164] nsim_drv_port_del (drivers/net/netdevsim/dev.c:1856) netdevsim
[  109.497556][  T164] del_port_store (drivers/net/netdevsim/bus.c:118) netdevsim
[  109.497813][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) fs/sysfs/file.c:24 (discriminator 2))
[  109.498064][  T164]  ? del_device_store (./include/linux/list.h:127 (discriminator 2)) netdevsim
[  109.498348][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[  109.498607][  T164]  ? sysfs_kf_write (fs/sysfs/file.c:137)
[  109.498863][  T164]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[  109.499111][  T164]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[  109.499341][  T164]  ? kernfs_ops (fs/kernfs/file.c:128)
[  109.499508][  T164]  new_sync_write (fs/read_write.c:595)
[  109.499704][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  109.499904][  T164]  ? new_sync_read (./include/linux/ioprio.h:41)
[  109.500098][  T164]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  109.500289][  T164]  ? ksys_write (fs/read_write.c:740)
[  109.500500][  T164]  vfs_write (fs/read_write.c:688)
[  109.500664][  T164]  ksys_write (fs/read_write.c:740)
[  109.500834][  T164]  ? __ia32_sys_read (fs/read_write.c:724)
[  109.501027][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  109.501231][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  109.501436][  T164]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  109.501627][  T164]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  109.501828][  T164]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  109.502019][  T164]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  109.502248][  T164] RIP: 0033:0x7fd927da708e
[  109.502458][  T164] 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
[  109.503016][  T164] RSP: 002b:00007ffca3d72790 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[  109.503284][  T164] RAX: ffffffffffffffda RBX: 00007fd927f29580 RCX: 00007fd927da708e
[  109.503558][  T164] RDX: 0000000000000002 RSI: 000055924f5f4040 RDI: 0000000000000001
[  109.503824][  T164] RBP: 00007ffca3d727a0 R08: 0000000000000000 R09: 0000000000000000
[  109.504081][  T164] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002
[  109.504340][  T164] R13: 0000000000000002 R14: 000055924f5f4040 R15: 0000000000000000
| [  109.564363][  T164] ------------[ cut here ]------------
| [  109.564646][  T164] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: devlink_trap.sh/164
| [  109.564956][  T164] Modules linked in: netdevsim
| [  109.565494][  T164] Tainted: [W]=WARN
[  109.565613][  T164] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  109.565803][  T164] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  109.565995][  T164] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  109.566527][  T164] RSP: 0018:ffa0000000817858 EFLAGS: 00010286
[  109.566717][  T164] RAX: 00000000ffffffa6 RBX: ff11000008a3a4c0 RCX: 1ff4000000102ed1
[  109.566946][  T164] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008a3a570
[  109.567173][  T164] RBP: ff1100001012a000 R08: 1fe22000011474af R09: ff1100000c3aaef8
[  109.567394][  T164] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[  109.567619][  T164] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100001012a000
[  109.567850][  T164] FS:  00007fd927d35b80(0000) GS:ff1100007b005000(0000) knlGS:0000000000000000
[  109.568112][  T164] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  109.568358][  T164] CR2: 000055924f4d360c CR3: 00000000096a3006 CR4: 0000000000771ef0
[  109.568587][  T164] PKRU: 55555554
[  109.568699][  T164] Call Trace:
[  109.568815][  T164]  <TASK>
[  109.568892][  T164]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  109.569045][  T164]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  109.569159][  T164]  register_netdevice (net/core/dev.c:11488)
[  109.569310][  T164]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[  109.569500][  T164]  ? __debugfs_create_file (fs/debugfs/inode.c:412 fs/debugfs/inode.c:452)
[  109.569654][  T164] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[  109.569850][  T164] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[  109.570000][  T164] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[  109.570189][  T164]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[  109.570379][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  109.570534][  T164]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[  109.570684][  T164] nsim_drv_port_add (drivers/net/netdevsim/dev.c:1839) netdevsim
[  109.570878][  T164] new_port_store (drivers/net/netdevsim/bus.c:96 (discriminator 3)) netdevsim
[  109.571029][  T164]  ? del_port_store (drivers/net/netdevsim/bus.c:120) netdevsim
[  109.571218][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[  109.571367][  T164]  ? sysfs_kf_write (fs/sysfs/file.c:137)
[  109.571521][  T164]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[  109.571669][  T164]  ? kernfs_ops (fs/kernfs/file.c:128)
[  109.571787][  T164]  new_sync_write (fs/read_write.c:595)
[  109.571937][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  109.572086][  T164]  ? new_sync_read (./include/linux/ioprio.h:41)
[  109.572236][  T164]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  109.572389][  T164]  ? ksys_write (fs/read_write.c:740)
[  109.572546][  T164]  vfs_write (fs/read_write.c:688)
[  109.572661][  T164]  ksys_write (fs/read_write.c:740)
[  109.572780][  T164]  ? __ia32_sys_read (fs/read_write.c:724)
[  109.572928][  T164]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  109.573078][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  109.573228][  T164]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  109.573377][  T164]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  109.573535][  T164]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  109.573685][  T164]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  109.573876][  T164] RIP: 0033:0x7fd927da708e
[  109.574031][  T164] 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
[  109.574565][  T164] RSP: 002b:00007ffca3d72690 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[  109.574797][  T164] RAX: ffffffffffffffda RBX: 00007fd927f29580 RCX: 00007fd927da708e
[  109.575020][  T164] RDX: 0000000000000002 RSI: 000055924f5f4040 RDI: 0000000000000001
[  109.575241][  T164] RBP: 00007ffca3d726a0 R08: 0000000000000000 R09: 0000000000000000
[  109.575469][  T164] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002
[  109.575694][  T164] R13: 0000000000000002 R14: 000055924f5f4040 R15: 0000000000000000
| [  109.685389][ T2243] ------------[ cut here ]------------
| [  109.685573][ T2243] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/2243
| [  109.685858][ T2243] Modules linked in: netdevsim
| [  109.686276][ T2243] Tainted: [W]=WARN
[  109.686380][ T2243] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  109.686564][ T2243] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  109.686751][ T2243] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  109.687243][ T2243] RSP: 0018:ffa0000003147020 EFLAGS: 00010286
[  109.687420][ T2243] RAX: 00000000ffffffa6 RBX: ff11000004b7a640 RCX: 1ff4000000628dca
[  109.687623][ T2243] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004b7a6f0
[  109.687831][ T2243] RBP: ff1100001012a000 R08: 1fe220000096f4df R09: ff1100000c6cae80
[  109.688037][ T2243] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000001
[  109.688240][ T2243] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[  109.688450][ T2243] FS:  00007f3f4e538840(0000) GS:ff1100007b005000(0000) knlGS:0000000000000000
[  109.688691][ T2243] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  109.688871][ T2243] CR2: 000000002e837988 CR3: 0000000010050005 CR4: 0000000000771ef0
[  109.689076][ T2243] PKRU: 55555554
[  109.689180][ T2243] Call Trace:
[  109.689283][ T2243]  <TASK>
[  109.689355][ T2243]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[  109.689569][ T2243]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  109.689707][ T2243]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  109.689815][ T2243]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  109.689953][ T2243]  __dev_notify_flags (net/core/dev.c:9787)
[  109.690092][ T2243]  ? netif_change_name (net/core/dev.c:1495)
[  109.690228][ T2243]  ? __dev_change_flags (net/core/dev.c:9752)
[  109.690364][ T2243]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[  109.690581][ T2243]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  109.690719][ T2243]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[  109.690865][ T2243]  netif_change_flags (net/core/dev.c:9820)
[  109.691003][ T2243]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[  109.691143][ T2243]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  109.691280][ T2243]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  109.691455][ T2243]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  109.691591][ T2243]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  109.691736][ T2243]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  109.691872][ T2243]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  109.692009][ T2243]  ? __kernel_text_address (kernel/extable.c:79)
[  109.692147][ T2243]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  109.692287][ T2243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  109.692426][ T2243]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  109.692563][ T2243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  109.692700][ T2243]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  109.692842][ T2243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  109.692979][ T2243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  109.693114][ T2243]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  109.693250][ T2243]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  109.693387][ T2243]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  109.693526][ T2243]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  109.693665][ T2243]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  109.693807][ T2243]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  109.693946][ T2243]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  109.694086][ T2243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  109.694222][ T2243]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  109.694370][ T2243]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  109.694512][ T2243]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  109.694646][ T2243]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  109.694791][ T2243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  109.694925][ T2243]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  109.695065][ T2243]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  109.695202][ T2243]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  109.695342][ T2243]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  109.695486][ T2243]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  109.695624][ T2243]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  109.695763][ T2243]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  109.695900][ T2243]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  109.696038][ T2243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  109.696176][ T2243]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  109.696314][ T2243]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  109.696455][ T2243]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  109.696594][ T2243]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  109.696737][ T2243]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  109.696875][ T2243]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  109.697012][ T2243]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  109.697151][ T2243]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  109.697289][ T2243]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  109.697433][ T2243]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  109.697571][ T2243]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  109.697709][ T2243]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  109.697854][ T2243]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  109.697992][ T2243]  ? copy_msghdr_from_user (net/socket.c:2635)
[  109.698129][ T2243]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  109.698300][ T2243]  ? move_addr_to_kernel (net/socket.c:258)
[  109.698444][ T2243]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  109.698580][ T2243]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  109.698717][ T2243]  ___sys_sendmsg (net/socket.c:2752)
[  109.698857][ T2243]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  109.699027][ T2243]  ? copy_msghdr_from_user (net/socket.c:2603)
[  109.699176][ T2243]  __sys_sendmsg (net/socket.c:2784)
[  109.699314][ T2243]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  109.699456][ T2243]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  109.699628][ T2243]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  109.699767][ T2243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  109.699904][ T2243]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  109.700039][ T2243]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  109.700174][ T2243]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  109.700313][ T2243]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  109.700487][ T2243] RIP: 0033:0x7f3f4e77208e
[  109.700632][ T2243] 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
[  109.701120][ T2243] RSP: 002b:00007ffd3836bac0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  109.701325][ T2243] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3f4e77208e
[  109.701533][ T2243] RDX: 0000000000000000 RSI: 00007ffd3836bb70 RDI: 0000000000000005
[  109.701742][ T2243] RBP: 00007ffd3836bad0 R08: 0000000000000000 R09: 0000000000000000
[  109.701945][ T2243] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e847
[  109.702150][ T2243] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd3836c230
| [  110.719372][  T164] ------------[ cut here ]------------
| [  110.719636][  T164] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: devlink_trap.sh/164
| [  110.720016][  T164] Modules linked in: netdevsim
| [  110.720596][  T164] Tainted: [W]=WARN
[  110.720716][  T164] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  110.720914][  T164] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  110.721116][  T164] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  110.721716][  T164] RSP: 0018:ffa00000008177c8 EFLAGS: 00010286
[  110.721917][  T164] RAX: 00000000ffffffa6 RBX: ff11000009273cc0 RCX: 1ff4000000102ebf
[  110.722144][  T164] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009273d70
[  110.722369][  T164] RBP: ff1100001012a000 R08: 1fe220000124e7af R09: ff1100000c3aaf20
[  110.722602][  T164] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[  110.722832][  T164] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000008178b8
[  110.723061][  T164] FS:  00007fd927d35b80(0000) GS:ff1100007b105000(0000) knlGS:0000000000000000
[  110.723330][  T164] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  110.723529][  T164] CR2: 000055924f4c40fc CR3: 00000000096a3002 CR4: 0000000000771ef0
[  110.723764][  T164] PKRU: 55555554
[  110.723877][  T164] Call Trace:
[  110.723989][  T164]  <TASK>
[  110.724068][  T164]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  110.724221][  T164]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  110.724336][  T164]  netif_close_many (net/core/dev.c:1804)
[  110.724492][  T164]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  110.724646][  T164]  ? __dev_close_many (net/core/dev.c:1781)
[  110.724886][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  110.725040][  T164]  netif_close_many_and_unlock (net/core/dev.c:12330)
[  110.725191][  T164]  ? unregister_netdevice_many_notify (./include/linux/netdevice.h:2830 net/core/dev.c:12396)
[  110.725377][  T164]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[  110.725669][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  110.725824][  T164]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  110.725974][  T164]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  110.726126][  T164]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  110.726277][  T164]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  110.726560][  T164]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[  110.726810][  T164]  ? netdev_run_todo (net/core/dev.c:11703)
[  110.726960][  T164]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  110.727110][  T164]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  110.727262][  T164]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[  110.727629][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  110.727786][  T164]  ? unregister_netdevice_many (net/core/dev.c:12497)
[  110.727938][  T164] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[  110.728094][  T164]  ? kstrtouint (lib/kstrtox.c:233)
[  110.728247][  T164] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[  110.728555][  T164] nsim_drv_port_del (drivers/net/netdevsim/dev.c:1856) netdevsim
[  110.728751][  T164] del_port_store (drivers/net/netdevsim/bus.c:118) netdevsim
[  110.728904][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) fs/sysfs/file.c:24 (discriminator 2))
[  110.729055][  T164]  ? del_device_store (./include/linux/list.h:127 (discriminator 2)) netdevsim
[  110.729243][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[  110.729393][  T164]  ? sysfs_kf_write (fs/sysfs/file.c:137)
[  110.729662][  T164]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[  110.729818][  T164]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[  110.729968][  T164]  ? kernfs_ops (fs/kernfs/file.c:128)
[  110.730082][  T164]  new_sync_write (fs/read_write.c:595)
[  110.730236][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  110.730389][  T164]  ? new_sync_read (./include/linux/ioprio.h:41)
[  110.730659][  T164]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  110.730814][  T164]  ? ksys_write (fs/read_write.c:740)
[  110.730968][  T164]  vfs_write (fs/read_write.c:688)
[  110.731084][  T164]  ksys_write (fs/read_write.c:740)
[  110.731198][  T164]  ? __ia32_sys_read (fs/read_write.c:724)
[  110.731348][  T164]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  110.731614][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  110.731766][  T164]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  110.731915][  T164]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  110.732065][  T164]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  110.732214][  T164]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  110.732399][  T164] RIP: 0033:0x7fd927da708e
[  110.732633][  T164] 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
[  110.733171][  T164] RSP: 002b:00007ffca3d72790 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[  110.733397][  T164] RAX: ffffffffffffffda RBX: 00007fd927f29580 RCX: 00007fd927da708e
[  110.733639][  T164] RDX: 0000000000000002 RSI: 000055924f5f4040 RDI: 0000000000000001
[  110.733942][  T164] RBP: 00007ffca3d727a0 R08: 0000000000000000 R09: 0000000000000000
[  110.734165][  T164] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002
[  110.734390][  T164] R13: 0000000000000002 R14: 000055924f5f4040 R15: 0000000000000000
| [  110.739857][  T164] ------------[ cut here ]------------
| [  110.740050][  T164] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: devlink_trap.sh/164
| [  110.740331][  T164] Modules linked in: netdevsim
| [  110.740890][  T164] Tainted: [W]=WARN
[  110.740998][  T164] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  110.741213][  T164] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  110.741398][  T164] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  110.741916][  T164] RSP: 0018:ffa0000000817948 EFLAGS: 00010286
[  110.742096][  T164] RAX: 00000000ffffffa6 RBX: ff1100000c68a640 RCX: 1ff4000000102eef
[  110.742307][  T164] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c68a6f0
[  110.742524][  T164] RBP: ff1100001012a000 R08: 1fe22000018d14df R09: ff1100000c3aaef8
[  110.742740][  T164] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[  110.742993][  T164] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  110.743206][  T164] FS:  00007fd927d35b80(0000) GS:ff1100007b005000(0000) knlGS:0000000000000000
[  110.743460][  T164] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  110.743643][  T164] CR2: 0000559217f3d130 CR3: 00000000096a3001 CR4: 0000000000771ef0
[  110.743865][  T164] PKRU: 55555554
[  110.743970][  T164] Call Trace:
[  110.744075][  T164]  <TASK>
[  110.744150][  T164]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  110.744330][  T164]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  110.744513][  T164]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[  110.744656][  T164]  ? netdev_run_todo (net/core/dev.c:11703)
[  110.744805][  T164]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  110.744949][  T164]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  110.745093][  T164]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[  110.745236][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  110.745378][  T164]  ? unregister_netdevice_many (net/core/dev.c:12497)
[  110.745527][  T164] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[  110.745673][  T164]  ? kstrtouint (lib/kstrtox.c:233)
[  110.745826][  T164] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[  110.746003][  T164] nsim_drv_port_del (drivers/net/netdevsim/dev.c:1856) netdevsim
[  110.746192][  T164] del_port_store (drivers/net/netdevsim/bus.c:118) netdevsim
[  110.746336][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) fs/sysfs/file.c:24 (discriminator 2))
[  110.746485][  T164]  ? del_device_store (./include/linux/list.h:127 (discriminator 2)) netdevsim
[  110.746661][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[  110.746806][  T164]  ? sysfs_kf_write (fs/sysfs/file.c:137)
[  110.746949][  T164]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[  110.747090][  T164]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[  110.747231][  T164]  ? kernfs_ops (fs/kernfs/file.c:128)
[  110.747337][  T164]  new_sync_write (fs/read_write.c:595)
[  110.747484][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  110.747624][  T164]  ? new_sync_read (./include/linux/ioprio.h:41)
[  110.747771][  T164]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  110.747913][  T164]  ? ksys_write (fs/read_write.c:740)
[  110.748058][  T164]  vfs_write (fs/read_write.c:688)
[  110.748166][  T164]  ksys_write (fs/read_write.c:740)
[  110.748274][  T164]  ? __ia32_sys_read (fs/read_write.c:724)
[  110.748420][  T164]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  110.748562][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  110.748704][  T164]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  110.748851][  T164]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  110.748994][  T164]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  110.749136][  T164]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  110.749310][  T164] RIP: 0033:0x7fd927da708e
[  110.749460][  T164] 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
[  110.749999][  T164] RSP: 002b:00007ffca3d72790 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[  110.750310][  T164] RAX: ffffffffffffffda RBX: 00007fd927f29580 RCX: 00007fd927da708e
[  110.750636][  T164] RDX: 0000000000000002 RSI: 000055924f5f4040 RDI: 0000000000000001
[  110.750955][  T164] RBP: 00007ffca3d727a0 R08: 0000000000000000 R09: 0000000000000000
[  110.751214][  T164] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002
[  110.751439][  T164] R13: 0000000000000002 R14: 000055924f5f4040 R15: 0000000000000000
| [  110.807264][  T164] ------------[ cut here ]------------
| [  110.807493][  T164] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: devlink_trap.sh/164
| [  110.807804][  T164] Modules linked in: netdevsim
| [  110.808337][  T164] Tainted: [W]=WARN
[  110.808499][  T164] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  110.808685][  T164] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  110.808885][  T164] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  110.809417][  T164] RSP: 0018:ffa0000000817858 EFLAGS: 00010286
[  110.809607][  T164] RAX: 00000000ffffffa6 RBX: ff1100000a2dbcc0 RCX: 1ff4000000102ed1
[  110.809878][  T164] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000a2dbd70
[  110.810176][  T164] RBP: ff1100000f57a000 R08: 1fe220000145b7af R09: ff1100000c3aaef8
[  110.810511][  T164] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[  110.810933][  T164] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f57a000
[  110.811191][  T164] FS:  00007fd927d35b80(0000) GS:ff1100007b005000(0000) knlGS:0000000000000000
[  110.811591][  T164] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  110.811885][  T164] CR2: 000055924f4f2718 CR3: 00000000096a3001 CR4: 0000000000771ef0
[  110.812130][  T164] PKRU: 55555554
[  110.812242][  T164] Call Trace:
[  110.812354][  T164]  <TASK>
[  110.812442][  T164]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  110.812594][  T164]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  110.812708][  T164]  register_netdevice (net/core/dev.c:11488)
[  110.812867][  T164]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[  110.813260][  T164]  ? __debugfs_create_file (fs/debugfs/inode.c:412 fs/debugfs/inode.c:452)
[  110.813522][  T164] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[  110.813715][  T164] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[  110.813985][  T164] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[  110.814172][  T164]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[  110.814362][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  110.814520][  T164]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[  110.814775][  T164] nsim_drv_port_add (drivers/net/netdevsim/dev.c:1839) netdevsim
[  110.815064][  T164] new_port_store (drivers/net/netdevsim/bus.c:96 (discriminator 3)) netdevsim
[  110.815215][  T164]  ? del_port_store (drivers/net/netdevsim/bus.c:120) netdevsim
[  110.815402][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[  110.815778][  T164]  ? sysfs_kf_write (fs/sysfs/file.c:137)
[  110.816008][  T164]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[  110.816235][  T164]  ? kernfs_ops (fs/kernfs/file.c:128)
[  110.816369][  T164]  new_sync_write (fs/read_write.c:595)
[  110.816536][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  110.816685][  T164]  ? new_sync_read (./include/linux/ioprio.h:41)
[  110.816844][  T164]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  110.816993][  T164]  ? ksys_write (fs/read_write.c:740)
[  110.817147][  T164]  vfs_write (fs/read_write.c:688)
[  110.817361][  T164]  ksys_write (fs/read_write.c:740)
[  110.817581][  T164]  ? __ia32_sys_read (fs/read_write.c:724)
[  110.817734][  T164]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  110.817888][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  110.818087][  T164]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  110.818276][  T164]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  110.818429][  T164]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  110.818679][  T164]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  110.818869][  T164] RIP: 0033:0x7fd927da708e
[  110.819031][  T164] 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
[  110.820311][  T164] RSP: 002b:00007ffca3d72690 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[  110.820549][  T164] RAX: ffffffffffffffda RBX: 00007fd927f29580 RCX: 00007fd927da708e
[  110.820872][  T164] RDX: 0000000000000002 RSI: 000055924f5f4040 RDI: 0000000000000001
[  110.821300][  T164] RBP: 00007ffca3d726a0 R08: 0000000000000000 R09: 0000000000000000
[  110.821812][  T164] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002
[  110.822088][  T164] R13: 0000000000000002 R14: 000055924f5f4040 R15: 0000000000000000
| [  111.003614][ T2249] ------------[ cut here ]------------
| [  111.003845][ T2249] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/2249
| [  111.004171][ T2249] Modules linked in: netdevsim
| [  111.004790][ T2249] Tainted: [W]=WARN
[  111.005028][ T2249] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  111.005261][ T2249] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  111.005496][ T2249] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  111.006050][ T2249] RSP: 0018:ffa0000002cc7020 EFLAGS: 00010286
[  111.006277][ T2249] RAX: 00000000ffffffa6 RBX: ff1100000e5953c0 RCX: 1ff4000000598dca
[  111.006538][ T2249] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000e595470
[  111.006794][ T2249] RBP: ff1100000f57a000 R08: 1fe2200001cb2a8f R09: ff11000009738b80
[  111.007044][ T2249] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[  111.007294][ T2249] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[  111.007557][ T2249] FS:  00007f32df4c4840(0000) GS:ff1100007b085000(0000) knlGS:0000000000000000
[  111.007848][ T2249] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  111.008065][ T2249] CR2: 000000002b067988 CR3: 000000000b2f2005 CR4: 0000000000771ef0
[  111.008312][ T2249] PKRU: 55555554
[  111.008499][ T2249] Call Trace:
[  111.008651][ T2249]  <TASK>
[  111.008778][ T2249]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  111.008966][ T2249]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  111.009119][ T2249]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  111.009303][ T2249]  __dev_notify_flags (net/core/dev.c:9787)
[  111.009501][ T2249]  ? netif_change_name (net/core/dev.c:1495)
[  111.009684][ T2249]  ? __dev_change_flags (net/core/dev.c:9752)
[  111.009874][ T2249]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[  111.010053][ T2249]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  111.010235][ T2249]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[  111.010429][ T2249]  netif_change_flags (net/core/dev.c:9820)
[  111.010609][ T2249]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[  111.010802][ T2249]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  111.010981][ T2249]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  111.011216][ T2249]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  111.011397][ T2249]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  111.011591][ T2249]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  111.011775][ T2249]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  111.011959][ T2249]  ? __kernel_text_address (kernel/extable.c:79)
[  111.012142][ T2249]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  111.012326][ T2249]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  111.012532][ T2249]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  111.012719][ T2249]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  111.012911][ T2249]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  111.013091][ T2249]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  111.013270][ T2249]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  111.013461][ T2249]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  111.013643][ T2249]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  111.013836][ T2249]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  111.014034][ T2249]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  111.014214][ T2249]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  111.014399][ T2249]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  111.014601][ T2249]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  111.014795][ T2249]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  111.014976][ T2249]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  111.015157][ T2249]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  111.015338][ T2249]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  111.015529][ T2249]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  111.015720][ T2249]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  111.015913][ T2249]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  111.016095][ T2249]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  111.016279][ T2249]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  111.016476][ T2249]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  111.016664][ T2249]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  111.016854][ T2249]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  111.017036][ T2249]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  111.017218][ T2249]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  111.017403][ T2249]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  111.017596][ T2249]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  111.017840][ T2249]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  111.018032][ T2249]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  111.018219][ T2249]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  111.018400][ T2249]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  111.018592][ T2249]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  111.018785][ T2249]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  111.018966][ T2249]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  111.019144][ T2249]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  111.019351][ T2249]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  111.019547][ T2249]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  111.019739][ T2249]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  111.019925][ T2249]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  111.020108][ T2249]  ? copy_msghdr_from_user (net/socket.c:2635)
[  111.020288][ T2249]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  111.020516][ T2249]  ? move_addr_to_kernel (net/socket.c:258)
[  111.020700][ T2249]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  111.020891][ T2249]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  111.021081][ T2249]  ___sys_sendmsg (net/socket.c:2752)
[  111.021262][ T2249]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  111.021491][ T2249]  ? copy_msghdr_from_user (net/socket.c:2603)
[  111.021685][ T2249]  __sys_sendmsg (net/socket.c:2784)
[  111.021875][ T2249]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  111.022054][ T2249]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  111.022273][ T2249]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  111.022472][ T2249]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  111.022657][ T2249]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  111.022847][ T2249]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  111.023032][ T2249]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  111.023217][ T2249]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  111.023442][ T2249] RIP: 0033:0x7f32df6fe08e
[  111.023653][ T2249] 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
[  111.024177][ T2249] RSP: 002b:00007ffc5561ac20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  111.024439][ T2249] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f32df6fe08e
[  111.024685][ T2249] RDX: 0000000000000000 RSI: 00007ffc5561acd0 RDI: 0000000000000005
[  111.024943][ T2249] RBP: 00007ffc5561ac30 R08: 0000000000000000 R09: 0000000000000000
[  111.025188][ T2249] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e848
[  111.025443][ T2249] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc5561b390
| [  112.044065][  T164] ------------[ cut here ]------------
| [  112.044304][  T164] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: devlink_trap.sh/164
| [  112.044679][  T164] Modules linked in: netdevsim
| [  112.045208][  T164] Tainted: [W]=WARN
[  112.045322][  T164] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  112.045553][  T164] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  112.045755][  T164] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  112.046288][  T164] RSP: 0018:ffa00000008177c8 EFLAGS: 00010286
[  112.046485][  T164] RAX: 00000000ffffffa6 RBX: ff11000005dc8340 RCX: 1ff4000000102ebf
[  112.046708][  T164] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000005dc83f0
[  112.046940][  T164] RBP: ff1100000f57a000 R08: 1fe2200000bb907f R09: ff1100000c3aaf20
[  112.047162][  T164] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[  112.047383][  T164] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000008178b8
[  112.047609][  T164] FS:  00007fd927d35b80(0000) GS:ff1100007b105000(0000) knlGS:0000000000000000
[  112.047879][  T164] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  112.048068][  T164] CR2: 000055924f4f4948 CR3: 00000000096a3005 CR4: 0000000000771ef0
[  112.048292][  T164] PKRU: 55555554
[  112.048414][  T164] Call Trace:
[  112.048527][  T164]  <TASK>
[  112.048607][  T164]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  112.048769][  T164]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  112.048890][  T164]  netif_close_many (net/core/dev.c:1804)
[  112.049037][  T164]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  112.049192][  T164]  ? __dev_close_many (net/core/dev.c:1781)
[  112.049339][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  112.049601][  T164]  netif_close_many_and_unlock (net/core/dev.c:12330)
[  112.049760][  T164]  ? unregister_netdevice_many_notify (./include/linux/netdevice.h:2830 net/core/dev.c:12396)
[  112.049942][  T164]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[  112.050129][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  112.050278][  T164]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  112.050532][  T164]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  112.050682][  T164]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  112.050835][  T164]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  112.051019][  T164]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[  112.051167][  T164]  ? netdev_run_todo (net/core/dev.c:11703)
[  112.051316][  T164]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  112.051561][  T164]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  112.051711][  T164]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[  112.051864][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  112.052011][  T164]  ? unregister_netdevice_many (net/core/dev.c:12497)
[  112.052162][  T164] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[  112.052317][  T164]  ? kstrtouint (lib/kstrtox.c:233)
[  112.052674][  T164] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[  112.052871][  T164] nsim_drv_port_del (drivers/net/netdevsim/dev.c:1856) netdevsim
[  112.053057][  T164] del_port_store (drivers/net/netdevsim/bus.c:118) netdevsim
[  112.053207][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) fs/sysfs/file.c:24 (discriminator 2))
[  112.053357][  T164]  ? del_device_store (./include/linux/list.h:127 (discriminator 2)) netdevsim
[  112.053666][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[  112.053819][  T164]  ? sysfs_kf_write (fs/sysfs/file.c:137)
[  112.053966][  T164]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[  112.054116][  T164]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[  112.054264][  T164]  ? kernfs_ops (fs/kernfs/file.c:128)
[  112.054376][  T164]  new_sync_write (fs/read_write.c:595)
[  112.054645][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  112.054799][  T164]  ? new_sync_read (./include/linux/ioprio.h:41)
[  112.054947][  T164]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  112.055094][  T164]  ? ksys_write (fs/read_write.c:740)
[  112.055247][  T164]  vfs_write (fs/read_write.c:688)
[  112.055363][  T164]  ksys_write (fs/read_write.c:740)
[  112.055505][  T164]  ? __ia32_sys_read (fs/read_write.c:724)
[  112.055656][  T164]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  112.055809][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  112.055958][  T164]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  112.056109][  T164]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  112.056259][  T164]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  112.056414][  T164]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  112.056601][  T164] RIP: 0033:0x7fd927da708e
[  112.056762][  T164] 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
[  112.057288][  T164] RSP: 002b:00007ffca3d72790 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[  112.057521][  T164] RAX: ffffffffffffffda RBX: 00007fd927f29580 RCX: 00007fd927da708e
[  112.057748][  T164] RDX: 0000000000000002 RSI: 000055924f5f4040 RDI: 0000000000000001
[  112.057968][  T164] RBP: 00007ffca3d727a0 R08: 0000000000000000 R09: 0000000000000000
[  112.058190][  T164] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002
[  112.058418][  T164] R13: 0000000000000002 R14: 000055924f5f4040 R15: 0000000000000000
| [  112.070578][  T164] ------------[ cut here ]------------
| [  112.070842][  T164] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: devlink_trap.sh/164
| [  112.071138][  T164] Modules linked in: netdevsim
| [  112.071673][  T164] Tainted: [W]=WARN
[  112.071789][  T164] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  112.071967][  T164] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  112.072151][  T164] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  112.072654][  T164] RSP: 0018:ffa0000000817948 EFLAGS: 00010286
[  112.072840][  T164] RAX: 00000000ffffffa6 RBX: ff11000005dc93c0 RCX: 1ff4000000102eef
[  112.073051][  T164] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000005dc9470
[  112.073262][  T164] RBP: ff1100000f57a000 R08: 1fe2200000bb928f R09: ff1100000c3aaef8
[  112.073482][  T164] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[  112.073693][  T164] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  112.073909][  T164] FS:  00007fd927d35b80(0000) GS:ff1100007b105000(0000) knlGS:0000000000000000
[  112.074157][  T164] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  112.074336][  T164] CR2: 000055924f4f4948 CR3: 00000000096a3005 CR4: 0000000000771ef0
[  112.074552][  T164] PKRU: 55555554
[  112.074657][  T164] Call Trace:
[  112.074770][  T164]  <TASK>
[  112.074844][  T164]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  112.075026][  T164]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  112.075200][  T164]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[  112.075341][  T164]  ? netdev_run_todo (net/core/dev.c:11703)
[  112.075486][  T164]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  112.075626][  T164]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  112.075777][  T164]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[  112.075918][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  112.076060][  T164]  ? unregister_netdevice_many (net/core/dev.c:12497)
[  112.076204][  T164] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[  112.076349][  T164]  ? kstrtouint (lib/kstrtox.c:233)
[  112.076496][  T164] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[  112.076675][  T164] nsim_drv_port_del (drivers/net/netdevsim/dev.c:1856) netdevsim
[  112.076859][  T164] del_port_store (drivers/net/netdevsim/bus.c:118) netdevsim
[  112.077001][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) fs/sysfs/file.c:24 (discriminator 2))
[  112.077143][  T164]  ? del_device_store (./include/linux/list.h:127 (discriminator 2)) netdevsim
[  112.077318][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[  112.077461][  T164]  ? sysfs_kf_write (fs/sysfs/file.c:137)
[  112.077603][  T164]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[  112.077749][  T164]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[  112.077890][  T164]  ? kernfs_ops (fs/kernfs/file.c:128)
[  112.077996][  T164]  new_sync_write (fs/read_write.c:595)
[  112.078139][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  112.078282][  T164]  ? new_sync_read (./include/linux/ioprio.h:41)
[  112.078426][  T164]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  112.078567][  T164]  ? ksys_write (fs/read_write.c:740)
[  112.078711][  T164]  vfs_write (fs/read_write.c:688)
[  112.078825][  T164]  ksys_write (fs/read_write.c:740)
[  112.078932][  T164]  ? __ia32_sys_read (fs/read_write.c:724)
[  112.079072][  T164]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  112.079213][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  112.079357][  T164]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  112.079502][  T164]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  112.079642][  T164]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  112.079789][  T164]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  112.079964][  T164] RIP: 0033:0x7fd927da708e
[  112.080110][  T164] 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
[  112.080652][  T164] RSP: 002b:00007ffca3d72790 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[  112.080870][  T164] RAX: ffffffffffffffda RBX: 00007fd927f29580 RCX: 00007fd927da708e
[  112.081080][  T164] RDX: 0000000000000002 RSI: 000055924f5f4040 RDI: 0000000000000001
[  112.081290][  T164] RBP: 00007ffca3d727a0 R08: 0000000000000000 R09: 0000000000000000
[  112.081510][  T164] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002
[  112.081718][  T164] R13: 0000000000000002 R14: 000055924f5f4040 R15: 0000000000000000
| [  112.127830][  T164] ------------[ cut here ]------------
| [  112.128050][  T164] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: devlink_trap.sh/164
| [  112.128356][  T164] Modules linked in: netdevsim
| [  112.128959][  T164] Tainted: [W]=WARN
[  112.129072][  T164] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  112.129288][  T164] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  112.129513][  T164] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  112.130050][  T164] RSP: 0018:ffa0000000817858 EFLAGS: 00010286
[  112.130235][  T164] RAX: 00000000ffffffa6 RBX: ff1100000c68bb40 RCX: 1ff4000000102ed1
[  112.130460][  T164] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c68bbf0
[  112.130683][  T164] RBP: ff1100000a94a000 R08: 1fe22000018d177f R09: ff1100000c3aaef8
[  112.130912][  T164] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[  112.131131][  T164] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a94a000
[  112.131349][  T164] FS:  00007fd927d35b80(0000) GS:ff1100007b005000(0000) knlGS:0000000000000000
[  112.131613][  T164] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  112.131810][  T164] CR2: 0000559217f3d130 CR3: 00000000096a3001 CR4: 0000000000771ef0
[  112.132032][  T164] PKRU: 55555554
[  112.132145][  T164] Call Trace:
[  112.132257][  T164]  <TASK>
[  112.132333][  T164]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  112.132487][  T164]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  112.132600][  T164]  register_netdevice (net/core/dev.c:11488)
[  112.132759][  T164]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[  112.132942][  T164]  ? __debugfs_create_file (fs/debugfs/inode.c:412 fs/debugfs/inode.c:452)
[  112.133094][  T164] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[  112.133285][  T164] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[  112.133440][  T164] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[  112.133626][  T164]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[  112.133823][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  112.133973][  T164]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[  112.134119][  T164] nsim_drv_port_add (drivers/net/netdevsim/dev.c:1839) netdevsim
[  112.134306][  T164] new_port_store (drivers/net/netdevsim/bus.c:96 (discriminator 3)) netdevsim
[  112.134460][  T164]  ? del_port_store (drivers/net/netdevsim/bus.c:120) netdevsim
[  112.134647][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[  112.134802][  T164]  ? sysfs_kf_write (fs/sysfs/file.c:137)
[  112.134952][  T164]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[  112.135100][  T164]  ? kernfs_ops (fs/kernfs/file.c:128)
[  112.135211][  T164]  new_sync_write (fs/read_write.c:595)
[  112.135358][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  112.135514][  T164]  ? new_sync_read (./include/linux/ioprio.h:41)
[  112.135664][  T164]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  112.135817][  T164]  ? ksys_write (fs/read_write.c:740)
[  112.135969][  T164]  vfs_write (fs/read_write.c:688)
[  112.136083][  T164]  ksys_write (fs/read_write.c:740)
[  112.136193][  T164]  ? __ia32_sys_read (fs/read_write.c:724)
[  112.136338][  T164]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  112.136490][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  112.136638][  T164]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  112.136789][  T164]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  112.136938][  T164]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  112.137086][  T164]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  112.137268][  T164] RIP: 0033:0x7fd927da708e
[  112.137424][  T164] 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
[  112.137951][  T164] RSP: 002b:00007ffca3d72690 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[  112.138174][  T164] RAX: ffffffffffffffda RBX: 00007fd927f29580 RCX: 00007fd927da708e
[  112.138393][  T164] RDX: 0000000000000002 RSI: 000055924f5f4040 RDI: 0000000000000001
[  112.138615][  T164] RBP: 00007ffca3d726a0 R08: 0000000000000000 R09: 0000000000000000
[  112.138841][  T164] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002
[  112.139061][  T164] R13: 0000000000000002 R14: 000055924f5f4040 R15: 0000000000000000
| [  112.254360][ T2256] ------------[ cut here ]------------
| [  112.254546][ T2256] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/2256
| [  112.254834][ T2256] Modules linked in: netdevsim
| [  112.255256][ T2256] Tainted: [W]=WARN
[  112.255360][ T2256] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  112.255544][ T2256] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  112.255720][ T2256] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  112.256215][ T2256] RSP: 0018:ffa00000033d7020 EFLAGS: 00010286
[  112.256389][ T2256] RAX: 00000000ffffffa6 RBX: ff1100000d438640 RCX: 1ff400000067adca
[  112.256601][ T2256] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d4386f0
[  112.256808][ T2256] RBP: ff1100000a94a000 R08: 1fe2200001a870df R09: ff1100000cc85180
[  112.257011][ T2256] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000001
[  112.257212][ T2256] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[  112.257424][ T2256] FS:  00007f75f5ea2840(0000) GS:ff1100007b005000(0000) knlGS:0000000000000000
[  112.257664][ T2256] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  112.257844][ T2256] CR2: 00007f75f61721a0 CR3: 000000000b2f2006 CR4: 0000000000771ef0
[  112.258049][ T2256] PKRU: 55555554
[  112.258152][ T2256] Call Trace:
[  112.258253][ T2256]  <TASK>
[  112.258325][ T2256]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[  112.258471][ T2256]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  112.258608][ T2256]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  112.258711][ T2256]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  112.258853][ T2256]  __dev_notify_flags (net/core/dev.c:9787)
[  112.258992][ T2256]  ? netif_change_name (net/core/dev.c:1495)
[  112.259127][ T2256]  ? __dev_change_flags (net/core/dev.c:9752)
[  112.259262][ T2256]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[  112.259397][ T2256]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  112.259540][ T2256]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[  112.259679][ T2256]  netif_change_flags (net/core/dev.c:9820)
[  112.259820][ T2256]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[  112.259959][ T2256]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  112.260095][ T2256]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  112.260266][ T2256]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  112.260402][ T2256]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  112.260600][ T2256]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  112.260740][ T2256]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  112.260877][ T2256]  ? __kernel_text_address (kernel/extable.c:79)
[  112.261013][ T2256]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  112.261152][ T2256]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  112.261288][ T2256]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  112.261486][ T2256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  112.261622][ T2256]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  112.261762][ T2256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  112.261899][ T2256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  112.262037][ T2256]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  112.262175][ T2256]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  112.262314][ T2256]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  112.262538][ T2256]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  112.262675][ T2256]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  112.262844][ T2256]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  112.262984][ T2256]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  112.263120][ T2256]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  112.263257][ T2256]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  112.263392][ T2256]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  112.263535][ T2256]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  112.263672][ T2256]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  112.263815][ T2256]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  112.263949][ T2256]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  112.264087][ T2256]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  112.264223][ T2256]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  112.264360][ T2256]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  112.264502][ T2256]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  112.264637][ T2256]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  112.264779][ T2256]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  112.264918][ T2256]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  112.265059][ T2256]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  112.265195][ T2256]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  112.265331][ T2256]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  112.265474][ T2256]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  112.265610][ T2256]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  112.265752][ T2256]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  112.265887][ T2256]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  112.266026][ T2256]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  112.266162][ T2256]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  112.266297][ T2256]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  112.266439][ T2256]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  112.266575][ T2256]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  112.266711][ T2256]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  112.266854][ T2256]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  112.266994][ T2256]  ? copy_msghdr_from_user (net/socket.c:2635)
[  112.267130][ T2256]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  112.267298][ T2256]  ? move_addr_to_kernel (net/socket.c:258)
[  112.267443][ T2256]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  112.267578][ T2256]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  112.267716][ T2256]  ___sys_sendmsg (net/socket.c:2752)
[  112.267858][ T2256]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  112.268030][ T2256]  ? copy_msghdr_from_user (net/socket.c:2603)
[  112.268180][ T2256]  __sys_sendmsg (net/socket.c:2784)
[  112.268316][ T2256]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  112.268455][ T2256]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  112.268626][ T2256]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  112.268769][ T2256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  112.268907][ T2256]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  112.269047][ T2256]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  112.269184][ T2256]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  112.269321][ T2256]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  112.269493][ T2256] RIP: 0033:0x7f75f60dc08e
[  112.269638][ T2256] 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
[  112.270160][ T2256] RSP: 002b:00007ffd99379790 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  112.270366][ T2256] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f75f60dc08e
[  112.270574][ T2256] RDX: 0000000000000000 RSI: 00007ffd99379840 RDI: 0000000000000005
[  112.270780][ T2256] RBP: 00007ffd993797a0 R08: 0000000000000000 R09: 0000000000000000
[  112.270982][ T2256] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e849
[  112.271185][ T2256] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd99379f00
| [  113.314691][  T164] ------------[ cut here ]------------
| [  113.314946][  T164] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: devlink_trap.sh/164
| [  113.315256][  T164] Modules linked in: netdevsim
| [  113.315813][  T164] Tainted: [W]=WARN
[  113.315929][  T164] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  113.316119][  T164] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  113.316319][  T164] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  113.316920][  T164] RSP: 0018:ffa00000008177c8 EFLAGS: 00010286
[  113.317111][  T164] RAX: 00000000ffffffa6 RBX: ff1100000d4393c0 RCX: 1ff4000000102ebf
[  113.317339][  T164] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d439470
[  113.317572][  T164] RBP: ff1100000a94a000 R08: 1fe2200001a8728f R09: ff1100000c3aaf20
[  113.317809][  T164] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[  113.318056][  T164] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000008178b8
[  113.318278][  T164] FS:  00007fd927d35b80(0000) GS:ff1100007b005000(0000) knlGS:0000000000000000
[  113.318553][  T164] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  113.318797][  T164] CR2: 000055921808ed5c CR3: 00000000096a3001 CR4: 0000000000771ef0
[  113.319029][  T164] PKRU: 55555554
[  113.319143][  T164] Call Trace:
[  113.319255][  T164]  <TASK>
[  113.319333][  T164]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  113.319527][  T164]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  113.319646][  T164]  netif_close_many (net/core/dev.c:1804)
[  113.319800][  T164]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  113.319953][  T164]  ? __dev_close_many (net/core/dev.c:1781)
[  113.320101][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  113.320253][  T164]  netif_close_many_and_unlock (net/core/dev.c:12330)
[  113.320405][  T164]  ? unregister_netdevice_many_notify (./include/linux/netdevice.h:2830 net/core/dev.c:12396)
[  113.320634][  T164]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[  113.320820][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  113.320970][  T164]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  113.321118][  T164]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  113.321267][  T164]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  113.321423][  T164]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  113.321609][  T164]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[  113.321764][  T164]  ? netdev_run_todo (net/core/dev.c:11703)
[  113.321914][  T164]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  113.322065][  T164]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  113.322218][  T164]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[  113.322370][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  113.322526][  T164]  ? unregister_netdevice_many (net/core/dev.c:12497)
[  113.322678][  T164] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[  113.322840][  T164]  ? kstrtouint (lib/kstrtox.c:233)
[  113.322992][  T164] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[  113.323181][  T164] nsim_drv_port_del (drivers/net/netdevsim/dev.c:1856) netdevsim
[  113.323369][  T164] del_port_store (drivers/net/netdevsim/bus.c:118) netdevsim
[  113.323526][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) fs/sysfs/file.c:24 (discriminator 2))
[  113.323678][  T164]  ? del_device_store (./include/linux/list.h:127 (discriminator 2)) netdevsim
[  113.323872][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[  113.324022][  T164]  ? sysfs_kf_write (fs/sysfs/file.c:137)
[  113.324172][  T164]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[  113.324320][  T164]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[  113.324480][  T164]  ? kernfs_ops (fs/kernfs/file.c:128)
[  113.324594][  T164]  new_sync_write (fs/read_write.c:595)
[  113.324748][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  113.324899][  T164]  ? new_sync_read (./include/linux/ioprio.h:41)
[  113.325051][  T164]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  113.325199][  T164]  ? ksys_write (fs/read_write.c:740)
[  113.325352][  T164]  vfs_write (fs/read_write.c:688)
[  113.325473][  T164]  ksys_write (fs/read_write.c:740)
[  113.325586][  T164]  ? __ia32_sys_read (fs/read_write.c:724)
[  113.325742][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  113.325893][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  113.326042][  T164]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  113.326191][  T164]  ? irq_exit_rcu (kernel/softirq.c:754)
[  113.326343][  T164]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  113.326535][  T164] RIP: 0033:0x7fd927da708e
[  113.326693][  T164] 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
[  113.327239][  T164] RSP: 002b:00007ffca3d72790 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[  113.327470][  T164] RAX: ffffffffffffffda RBX: 00007fd927f29580 RCX: 00007fd927da708e
[  113.327692][  T164] RDX: 0000000000000002 RSI: 000055924f5f4040 RDI: 0000000000000001
[  113.327922][  T164] RBP: 00007ffca3d727a0 R08: 0000000000000000 R09: 0000000000000000
[  113.328145][  T164] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002
[  113.328368][  T164] R13: 0000000000000002 R14: 000055924f5f4040 R15: 0000000000000000
| [  113.333763][  T164] ------------[ cut here ]------------
| [  113.333960][  T164] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: devlink_trap.sh/164
| [  113.334272][  T164] Modules linked in: netdevsim
| [  113.334797][  T164] Tainted: [W]=WARN
[  113.334901][  T164] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  113.335072][  T164] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  113.335251][  T164] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  113.335776][  T164] RSP: 0018:ffa0000000817948 EFLAGS: 00010286
[  113.335951][  T164] RAX: 00000000ffffffa6 RBX: ff11000008a3be40 RCX: 1ff4000000102eef
[  113.336155][  T164] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008a3bef0
[  113.336360][  T164] RBP: ff1100000a94a000 R08: 1fe22000011477df R09: ff1100000c3aaef8
[  113.336569][  T164] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[  113.336775][  T164] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  113.336980][  T164] FS:  00007fd927d35b80(0000) GS:ff1100007b005000(0000) knlGS:0000000000000000
[  113.337220][  T164] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  113.337397][  T164] CR2: 000055921808ed5c CR3: 00000000096a3001 CR4: 0000000000771ef0
[  113.337607][  T164] PKRU: 55555554
[  113.337711][  T164] Call Trace:
[  113.337818][  T164]  <TASK>
[  113.337889][  T164]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  113.338063][  T164]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  113.338255][  T164]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[  113.338398][  T164]  ? netdev_run_todo (net/core/dev.c:11703)
[  113.339078][  T164]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  113.339222][  T164]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  113.339364][  T164]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[  113.339564][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  113.339708][  T164]  ? unregister_netdevice_many (net/core/dev.c:12497)
[  113.339856][  T164] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[  113.340005][  T164]  ? kstrtouint (lib/kstrtox.c:233)
[  113.340147][  T164] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[  113.340323][  T164] nsim_drv_port_del (drivers/net/netdevsim/dev.c:1856) netdevsim
[  113.340559][  T164] del_port_store (drivers/net/netdevsim/bus.c:118) netdevsim
[  113.340762][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) fs/sysfs/file.c:24 (discriminator 2))
[  113.340904][  T164]  ? del_device_store (./include/linux/list.h:127 (discriminator 2)) netdevsim
[  113.341077][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[  113.341218][  T164]  ? sysfs_kf_write (fs/sysfs/file.c:137)
[  113.341359][  T164]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[  113.341555][  T164]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[  113.341696][  T164]  ? kernfs_ops (fs/kernfs/file.c:128)
[  113.341808][  T164]  new_sync_write (fs/read_write.c:595)
[  113.341950][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  113.342090][  T164]  ? new_sync_read (./include/linux/ioprio.h:41)
[  113.342233][  T164]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  113.342375][  T164]  ? ksys_write (fs/read_write.c:740)
[  113.342576][  T164]  vfs_write (fs/read_write.c:688)
[  113.342683][  T164]  ksys_write (fs/read_write.c:740)
[  113.342794][  T164]  ? __ia32_sys_read (fs/read_write.c:724)
[  113.342935][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  113.343074][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  113.343217][  T164]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  113.343359][  T164]  ? irq_exit_rcu (kernel/softirq.c:754)
[  113.343561][  T164]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  113.343739][  T164] RIP: 0033:0x7fd927da708e
[  113.343886][  T164] 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
[  113.344383][  T164] RSP: 002b:00007ffca3d72790 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[  113.344653][  T164] RAX: ffffffffffffffda RBX: 00007fd927f29580 RCX: 00007fd927da708e
[  113.344869][  T164] RDX: 0000000000000002 RSI: 000055924f5f4040 RDI: 0000000000000001
[  113.345080][  T164] RBP: 00007ffca3d727a0 R08: 0000000000000000 R09: 0000000000000000
[  113.345289][  T164] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002
[  113.345585][  T164] R13: 0000000000000002 R14: 000055924f5f4040 R15: 0000000000000000
| [  113.398872][  T164] ------------[ cut here ]------------
| [  113.399095][  T164] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: devlink_trap.sh/164
| [  113.399394][  T164] Modules linked in: netdevsim
| [  113.399933][  T164] Tainted: [W]=WARN
[  113.400046][  T164] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  113.400235][  T164] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  113.400440][  T164] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  113.400983][  T164] RSP: 0018:ffa0000000817858 EFLAGS: 00010286
[  113.401172][  T164] RAX: 00000000ffffffa6 RBX: ff1100000a2db9c0 RCX: 1ff4000000102ed1
[  113.401394][  T164] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000a2dba70
[  113.401665][  T164] RBP: ff1100000c522000 R08: 1fe220000145b74f R09: ff1100000c3aaef8
[  113.401892][  T164] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[  113.402113][  T164] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c522000
[  113.402334][  T164] FS:  00007fd927d35b80(0000) GS:ff1100007b105000(0000) knlGS:0000000000000000
[  113.402600][  T164] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  113.402838][  T164] CR2: 000055924f4d360c CR3: 00000000096a3004 CR4: 0000000000771ef0
[  113.403061][  T164] PKRU: 55555554
[  113.403172][  T164] Call Trace:
[  113.403284][  T164]  <TASK>
[  113.403360][  T164]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  113.403517][  T164]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  113.403633][  T164]  register_netdevice (net/core/dev.c:11488)
[  113.403788][  T164]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[  113.403972][  T164]  ? __debugfs_create_file (fs/debugfs/inode.c:412 fs/debugfs/inode.c:452)
[  113.404126][  T164] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[  113.404317][  T164] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[  113.404473][  T164] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[  113.404659][  T164]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[  113.404858][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  113.405009][  T164]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[  113.405156][  T164] nsim_drv_port_add (drivers/net/netdevsim/dev.c:1839) netdevsim
[  113.405342][  T164] new_port_store (drivers/net/netdevsim/bus.c:96 (discriminator 3)) netdevsim
[  113.405498][  T164]  ? del_port_store (drivers/net/netdevsim/bus.c:120) netdevsim
[  113.405684][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[  113.405837][  T164]  ? sysfs_kf_write (fs/sysfs/file.c:137)
[  113.405986][  T164]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[  113.406133][  T164]  ? kernfs_ops (fs/kernfs/file.c:128)
[  113.406245][  T164]  new_sync_write (fs/read_write.c:595)
[  113.406397][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  113.406549][  T164]  ? new_sync_read (./include/linux/ioprio.h:41)
[  113.406698][  T164]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  113.406853][  T164]  ? ksys_write (fs/read_write.c:740)
[  113.407004][  T164]  vfs_write (fs/read_write.c:688)
[  113.407120][  T164]  ksys_write (fs/read_write.c:740)
[  113.407233][  T164]  ? __ia32_sys_read (fs/read_write.c:724)
[  113.407379][  T164]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  113.407533][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  113.407682][  T164]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  113.407837][  T164]  ? irq_exit_rcu (kernel/softirq.c:754)
[  113.407986][  T164]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  113.408169][  T164] RIP: 0033:0x7fd927da708e
[  113.408323][  T164] 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
[  113.408862][  T164] RSP: 002b:00007ffca3d72690 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[  113.409085][  T164] RAX: ffffffffffffffda RBX: 00007fd927f29580 RCX: 00007fd927da708e
[  113.409307][  T164] RDX: 0000000000000002 RSI: 000055924f5f4040 RDI: 0000000000000001
[  113.409536][  T164] RBP: 00007ffca3d726a0 R08: 0000000000000000 R09: 0000000000000000
[  113.409762][  T164] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002
[  113.409985][  T164] R13: 0000000000000002 R14: 000055924f5f4040 R15: 0000000000000000
| [  113.530131][ T2262] ------------[ cut here ]------------
| [  113.530355][ T2262] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/2262
| [  113.530708][ T2262] Modules linked in: netdevsim
| [  113.531236][ T2262] Tainted: [W]=WARN
[  113.531388][ T2262] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  113.532020][ T2262] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  113.532337][ T2262] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  113.532897][ T2262] RSP: 0018:ffa0000003417020 EFLAGS: 00010286
[  113.533120][ T2262] RAX: 00000000ffffffa6 RBX: ff11000009272640 RCX: 1ff4000000682dca
[  113.533376][ T2262] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000092726f0
[  113.533640][ T2262] RBP: ff1100000c522000 R08: 1fe220000124e4df R09: ff1100000cdaae80
[  113.533903][ T2262] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[  113.534154][ T2262] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[  113.534419][ T2262] FS:  00007f17317aa840(0000) GS:ff1100007b085000(0000) knlGS:0000000000000000
[  113.534710][ T2262] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  113.534947][ T2262] CR2: 000000003ba41988 CR3: 000000000f787006 CR4: 0000000000771ef0
[  113.535200][ T2262] PKRU: 55555554
[  113.535352][ T2262] Call Trace:
[  113.535516][ T2262]  <TASK>
[  113.535635][ T2262]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[  113.535835][ T2262]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  113.536025][ T2262]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  113.536178][ T2262]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  113.536366][ T2262]  __dev_notify_flags (net/core/dev.c:9787)
[  113.536566][ T2262]  ? netif_change_name (net/core/dev.c:1495)
[  113.536758][ T2262]  ? __dev_change_flags (net/core/dev.c:9752)
[  113.536946][ T2262]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[  113.537129][ T2262]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  113.537316][ T2262]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[  113.537518][ T2262]  netif_change_flags (net/core/dev.c:9820)
[  113.537707][ T2262]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[  113.537905][ T2262]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  113.538091][ T2262]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  113.538310][ T2262]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  113.538509][ T2262]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  113.538694][ T2262]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  113.538890][ T2262]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  113.539075][ T2262]  ? __kernel_text_address (kernel/extable.c:79)
[  113.539261][ T2262]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  113.539460][ T2262]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  113.539643][ T2262]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  113.539837][ T2262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  113.540020][ T2262]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  113.540202][ T2262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  113.540388][ T2262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  113.540586][ T2262]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  113.540780][ T2262]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  113.540967][ T2262]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  113.541152][ T2262]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  113.541338][ T2262]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  113.541534][ T2262]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  113.541722][ T2262]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  113.541919][ T2262]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  113.542103][ T2262]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  113.542288][ T2262]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  113.542484][ T2262]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  113.542667][ T2262]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  113.542865][ T2262]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  113.543052][ T2262]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  113.543241][ T2262]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  113.543439][ T2262]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  113.543625][ T2262]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  113.543816][ T2262]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  113.544001][ T2262]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  113.544185][ T2262]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  113.544368][ T2262]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  113.544566][ T2262]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  113.544759][ T2262]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  113.544946][ T2262]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  113.545130][ T2262]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  113.545315][ T2262]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  113.545518][ T2262]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  113.545701][ T2262]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  113.545895][ T2262]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  113.546083][ T2262]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  113.546266][ T2262]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  113.546463][ T2262]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  113.546649][ T2262]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  113.546841][ T2262]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  113.547028][ T2262]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  113.547213][ T2262]  ? copy_msghdr_from_user (net/socket.c:2635)
[  113.547395][ T2262]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  113.547626][ T2262]  ? move_addr_to_kernel (net/socket.c:258)
[  113.547819][ T2262]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  113.548000][ T2262]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  113.548184][ T2262]  ___sys_sendmsg (net/socket.c:2752)
[  113.548365][ T2262]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  113.548599][ T2262]  ? copy_msghdr_from_user (net/socket.c:2603)
[  113.548803][ T2262]  __sys_sendmsg (net/socket.c:2784)
[  113.548993][ T2262]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  113.549177][ T2262]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  113.549396][ T2262]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  113.549592][ T2262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  113.549790][ T2262]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  113.549974][ T2262]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  113.550157][ T2262]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  113.550346][ T2262]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  113.550578][ T2262] RIP: 0033:0x7f17319e408e
[  113.550776][ T2262] 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
[  113.551297][ T2262] RSP: 002b:00007fff081680a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  113.551564][ T2262] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f17319e408e
[  113.551815][ T2262] RDX: 0000000000000000 RSI: 00007fff08168150 RDI: 0000000000000005
[  113.552062][ T2262] RBP: 00007fff081680b0 R08: 0000000000000000 R09: 0000000000000000
[  113.552308][ T2262] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e84a
[  113.552656][ T2262] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff08168810
| [  114.571434][  T164] ------------[ cut here ]------------
| [  114.571686][  T164] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: devlink_trap.sh/164
| [  114.572015][  T164] Modules linked in: netdevsim
| [  114.572624][  T164] Tainted: [W]=WARN
[  114.572747][  T164] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  114.572959][  T164] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  114.573151][  T164] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  114.573680][  T164] RSP: 0018:ffa00000008177c8 EFLAGS: 00010286
[  114.573874][  T164] RAX: 00000000ffffffa6 RBX: ff110000094fcdc0 RCX: 1ff4000000102ebf
[  114.574093][  T164] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000094fce70
[  114.574311][  T164] RBP: ff1100000c522000 R08: 1fe220000129f9cf R09: ff1100000c3aaf20
[  114.574542][  T164] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[  114.574768][  T164] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000008178b8
[  114.574988][  T164] FS:  00007fd927d35b80(0000) GS:ff1100007b105000(0000) knlGS:0000000000000000
[  114.575248][  T164] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  114.575499][  T164] CR2: 000055924f4f2718 CR3: 00000000096a3004 CR4: 0000000000771ef0
[  114.575720][  T164] PKRU: 55555554
[  114.575837][  T164] Call Trace:
[  114.575949][  T164]  <TASK>
[  114.576026][  T164]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  114.576178][  T164]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  114.576291][  T164]  netif_close_many (net/core/dev.c:1804)
[  114.576448][  T164]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  114.576597][  T164]  ? __dev_close_many (net/core/dev.c:1781)
[  114.576748][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  114.576899][  T164]  netif_close_many_and_unlock (net/core/dev.c:12330)
[  114.577047][  T164]  ? unregister_netdevice_many_notify (./include/linux/netdevice.h:2830 net/core/dev.c:12396)
[  114.577229][  T164]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[  114.577416][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  114.577566][  T164]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  114.577712][  T164]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  114.577863][  T164]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  114.578009][  T164]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  114.578190][  T164]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[  114.578338][  T164]  ? netdev_run_todo (net/core/dev.c:11703)
[  114.578493][  T164]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  114.578638][  T164]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  114.578794][  T164]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[  114.578942][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  114.579088][  T164]  ? unregister_netdevice_many (net/core/dev.c:12497)
[  114.579237][  T164] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[  114.579390][  T164]  ? kstrtouint (lib/kstrtox.c:233)
[  114.579546][  T164] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[  114.579731][  T164] nsim_drv_port_del (drivers/net/netdevsim/dev.c:1856) netdevsim
[  114.579925][  T164] del_port_store (drivers/net/netdevsim/bus.c:118) netdevsim
[  114.580073][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) fs/sysfs/file.c:24 (discriminator 2))
[  114.580223][  T164]  ? del_device_store (./include/linux/list.h:127 (discriminator 2)) netdevsim
[  114.580406][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[  114.580606][  T164]  ? sysfs_kf_write (fs/sysfs/file.c:137)
[  114.580756][  T164]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[  114.580905][  T164]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[  114.581053][  T164]  ? kernfs_ops (fs/kernfs/file.c:128)
[  114.581165][  T164]  new_sync_write (fs/read_write.c:595)
[  114.581314][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  114.581466][  T164]  ? new_sync_read (./include/linux/ioprio.h:41)
[  114.581614][  T164]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  114.581766][  T164]  ? ksys_write (fs/read_write.c:740)
[  114.581916][  T164]  vfs_write (fs/read_write.c:688)
[  114.582030][  T164]  ksys_write (fs/read_write.c:740)
[  114.582143][  T164]  ? __ia32_sys_read (fs/read_write.c:724)
[  114.582289][  T164]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  114.582442][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  114.582591][  T164]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  114.582763][  T164]  ? irq_exit_rcu (kernel/softirq.c:754)
[  114.582925][  T164]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  114.583117][  T164] RIP: 0033:0x7fd927da708e
[  114.583277][  T164] 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
[  114.583829][  T164] RSP: 002b:00007ffca3d72790 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[  114.584060][  T164] RAX: ffffffffffffffda RBX: 00007fd927f29580 RCX: 00007fd927da708e
[  114.584289][  T164] RDX: 0000000000000002 RSI: 000055924f5f4040 RDI: 0000000000000001
[  114.584521][  T164] RBP: 00007ffca3d727a0 R08: 0000000000000000 R09: 0000000000000000
[  114.584752][  T164] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002
[  114.584979][  T164] R13: 0000000000000002 R14: 000055924f5f4040 R15: 0000000000000000
| [  114.590399][  T164] ------------[ cut here ]------------
| [  114.590598][  T164] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: devlink_trap.sh/164
| [  114.590887][  T164] Modules linked in: netdevsim
| [  114.591491][  T164] Tainted: [W]=WARN
[  114.591605][  T164] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  114.591823][  T164] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  114.592009][  T164] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  114.592527][  T164] RSP: 0018:ffa0000000817948 EFLAGS: 00010286
[  114.592710][  T164] RAX: 00000000ffffffa6 RBX: ff110000094fde40 RCX: 1ff4000000102eef
[  114.592929][  T164] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000094fdef0
[  114.593145][  T164] RBP: ff1100000c522000 R08: 1fe220000129fbdf R09: ff1100000c3aaef8
[  114.593360][  T164] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[  114.593580][  T164] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  114.593862][  T164] FS:  00007fd927d35b80(0000) GS:ff1100007b105000(0000) knlGS:0000000000000000
[  114.594260][  T164] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  114.594567][  T164] CR2: 000055924f4f2718 CR3: 00000000096a3004 CR4: 0000000000771ef0
[  114.594903][  T164] PKRU: 55555554
[  114.595069][  T164] Call Trace:
[  114.595222][  T164]  <TASK>
[  114.595306][  T164]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  114.595491][  T164]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  114.595667][  T164]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[  114.595814][  T164]  ? netdev_run_todo (net/core/dev.c:11703)
[  114.595953][  T164]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  114.596095][  T164]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  114.596237][  T164]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[  114.596375][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  114.596520][  T164]  ? unregister_netdevice_many (net/core/dev.c:12497)
[  114.596660][  T164] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[  114.596820][  T164]  ? kstrtouint (lib/kstrtox.c:233)
[  114.596966][  T164] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[  114.597146][  T164] nsim_drv_port_del (drivers/net/netdevsim/dev.c:1856) netdevsim
[  114.597328][  T164] del_port_store (drivers/net/netdevsim/bus.c:118) netdevsim
[  114.597477][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) fs/sysfs/file.c:24 (discriminator 2))
[  114.597624][  T164]  ? del_device_store (./include/linux/list.h:127 (discriminator 2)) netdevsim
[  114.597809][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[  114.597954][  T164]  ? sysfs_kf_write (fs/sysfs/file.c:137)
[  114.598098][  T164]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[  114.598242][  T164]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[  114.598383][  T164]  ? kernfs_ops (fs/kernfs/file.c:128)
[  114.599040][  T164]  new_sync_write (fs/read_write.c:595)
[  114.599192][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  114.599335][  T164]  ? new_sync_read (./include/linux/ioprio.h:41)
[  114.599536][  T164]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  114.599682][  T164]  ? ksys_write (fs/read_write.c:740)
[  114.599834][  T164]  vfs_write (fs/read_write.c:688)
[  114.599944][  T164]  ksys_write (fs/read_write.c:740)
[  114.600052][  T164]  ? __ia32_sys_read (fs/read_write.c:724)
[  114.600192][  T164]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  114.600334][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  114.600534][  T164]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  114.600734][  T164]  ? irq_exit_rcu (kernel/softirq.c:754)
[  114.600888][  T164]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  114.601064][  T164] RIP: 0033:0x7fd927da708e
[  114.601213][  T164] 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
[  114.601779][  T164] RSP: 002b:00007ffca3d72790 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[  114.601997][  T164] RAX: ffffffffffffffda RBX: 00007fd927f29580 RCX: 00007fd927da708e
[  114.602209][  T164] RDX: 0000000000000002 RSI: 000055924f5f4040 RDI: 0000000000000001
[  114.602477][  T164] RBP: 00007ffca3d727a0 R08: 0000000000000000 R09: 0000000000000000
[  114.602689][  T164] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002
[  114.602910][  T164] R13: 0000000000000002 R14: 000055924f5f4040 R15: 0000000000000000
| [  114.653835][  T164] ------------[ cut here ]------------
| [  114.654052][  T164] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: devlink_trap.sh/164
| [  114.654350][  T164] Modules linked in: netdevsim
| [  114.654886][  T164] Tainted: [W]=WARN
[  114.654998][  T164] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  114.655184][  T164] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  114.655375][  T164] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  114.655956][  T164] RSP: 0018:ffa0000000817858 EFLAGS: 00010286
[  114.656145][  T164] RAX: 00000000ffffffa6 RBX: ff11000008a3b540 RCX: 1ff4000000102ed1
[  114.656366][  T164] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008a3b5f0
[  114.656593][  T164] RBP: ff1100000be12000 R08: 1fe22000011476bf R09: ff1100000c3aaef8
[  114.656864][  T164] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[  114.657190][  T164] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000be12000
[  114.657616][  T164] FS:  00007fd927d35b80(0000) GS:ff1100007b005000(0000) knlGS:0000000000000000
[  114.657885][  T164] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  114.658072][  T164] CR2: 00007ffd46f54b88 CR3: 00000000096a3004 CR4: 0000000000771ef0
[  114.658293][  T164] PKRU: 55555554
[  114.658406][  T164] Call Trace:
[  114.658522][  T164]  <TASK>
[  114.658600][  T164]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  114.658754][  T164]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  114.658868][  T164]  register_netdevice (net/core/dev.c:11488)
[  114.659115][  T164]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[  114.659298][  T164]  ? __debugfs_create_file (fs/debugfs/inode.c:412 fs/debugfs/inode.c:452)
[  114.659455][  T164] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[  114.659749][  T164] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[  114.659901][  T164] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[  114.660188][  T164]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[  114.660377][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  114.660534][  T164]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[  114.660681][  T164] nsim_drv_port_add (drivers/net/netdevsim/dev.c:1839) netdevsim
[  114.660874][  T164] new_port_store (drivers/net/netdevsim/bus.c:96 (discriminator 3)) netdevsim
[  114.661023][  T164]  ? del_port_store (drivers/net/netdevsim/bus.c:120) netdevsim
[  114.661207][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[  114.661482][  T164]  ? sysfs_kf_write (fs/sysfs/file.c:137)
[  114.661631][  T164]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[  114.661882][  T164]  ? kernfs_ops (fs/kernfs/file.c:128)
[  114.662091][  T164]  new_sync_write (fs/read_write.c:595)
[  114.662243][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  114.662392][  T164]  ? new_sync_read (./include/linux/ioprio.h:41)
[  114.662545][  T164]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  114.662692][  T164]  ? ksys_write (fs/read_write.c:740)
[  114.662855][  T164]  vfs_write (fs/read_write.c:688)
[  114.662970][  T164]  ksys_write (fs/read_write.c:740)
[  114.663082][  T164]  ? __ia32_sys_read (fs/read_write.c:724)
[  114.663230][  T164]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  114.663378][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  114.663534][  T164]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  114.663682][  T164]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  114.663836][  T164]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  114.663984][  T164]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  114.664166][  T164] RIP: 0033:0x7fd927da708e
[  114.664427][  T164] 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
[  114.664966][  T164] RSP: 002b:00007ffca3d72690 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[  114.665190][  T164] RAX: ffffffffffffffda RBX: 00007fd927f29580 RCX: 00007fd927da708e
[  114.665414][  T164] RDX: 0000000000000002 RSI: 000055924f5f4040 RDI: 0000000000000001
[  114.665633][  T164] RBP: 00007ffca3d726a0 R08: 0000000000000000 R09: 0000000000000000
[  114.665861][  T164] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002
[  114.666081][  T164] R13: 0000000000000002 R14: 000055924f5f4040 R15: 0000000000000000
| [  114.848525][ T2268] ------------[ cut here ]------------
| [  114.848756][ T2268] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/2268
| [  114.849080][ T2268] Modules linked in: netdevsim
| [  114.849761][ T2268] Tainted: [W]=WARN
[  114.849908][ T2268] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  114.850124][ T2268] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  114.850348][ T2268] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  114.850899][ T2268] RSP: 0018:ffa0000003407020 EFLAGS: 00010286
[  114.851118][ T2268] RAX: 00000000ffffffa6 RBX: ff1100000d723540 RCX: 1ff4000000680dca
[  114.851381][ T2268] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d7235f0
[  114.851648][ T2268] RBP: ff1100000be12000 R08: 1fe2200001ae46bf R09: ff1100000c2cae80
[  114.851911][ T2268] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[  114.852158][ T2268] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[  114.852422][ T2268] FS:  00007fbff5cf8840(0000) GS:ff1100007b085000(0000) knlGS:0000000000000000
[  114.852711][ T2268] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  114.852941][ T2268] CR2: 000000000885d988 CR3: 000000000f787004 CR4: 0000000000771ef0
[  114.853191][ T2268] PKRU: 55555554
[  114.853339][ T2268] Call Trace:
[  114.853500][ T2268]  <TASK>
[  114.853618][ T2268]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[  114.853811][ T2268]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  114.853998][ T2268]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  114.854150][ T2268]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  114.854333][ T2268]  __dev_notify_flags (net/core/dev.c:9787)
[  114.854529][ T2268]  ? netif_change_name (net/core/dev.c:1495)
[  114.854712][ T2268]  ? __dev_change_flags (net/core/dev.c:9752)
[  114.854902][ T2268]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[  114.855084][ T2268]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  114.855269][ T2268]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[  114.855472][ T2268]  netif_change_flags (net/core/dev.c:9820)
[  114.855657][ T2268]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[  114.855852][ T2268]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  114.856035][ T2268]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  114.856252][ T2268]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  114.856448][ T2268]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  114.856633][ T2268]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  114.856818][ T2268]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  114.857003][ T2268]  ? __kernel_text_address (kernel/extable.c:79)
[  114.857188][ T2268]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  114.857376][ T2268]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  114.857571][ T2268]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  114.857762][ T2268]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  114.857947][ T2268]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  114.858128][ T2268]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  114.858311][ T2268]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  114.858507][ T2268]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  114.858691][ T2268]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  114.858880][ T2268]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  114.859063][ T2268]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  114.859247][ T2268]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  114.859444][ T2268]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  114.859629][ T2268]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  114.859821][ T2268]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  114.860004][ T2268]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  114.860190][ T2268]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  114.860372][ T2268]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  114.860566][ T2268]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  114.860761][ T2268]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  114.860944][ T2268]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  114.861127][ T2268]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  114.861313][ T2268]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  114.861512][ T2268]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  114.861696][ T2268]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  114.861886][ T2268]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  114.862068][ T2268]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  114.862253][ T2268]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  114.862453][ T2268]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  114.862636][ T2268]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  114.862828][ T2268]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  114.863011][ T2268]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  114.863194][ T2268]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  114.863378][ T2268]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  114.863575][ T2268]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  114.863766][ T2268]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  114.863952][ T2268]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  114.864134][ T2268]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  114.864318][ T2268]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  114.864514][ T2268]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  114.864698][ T2268]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  114.864891][ T2268]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  114.865077][ T2268]  ? copy_msghdr_from_user (net/socket.c:2635)
[  114.865260][ T2268]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  114.865487][ T2268]  ? move_addr_to_kernel (net/socket.c:258)
[  114.865674][ T2268]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  114.865868][ T2268]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  114.866053][ T2268]  ___sys_sendmsg (net/socket.c:2752)
[  114.866236][ T2268]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  114.866461][ T2268]  ? copy_msghdr_from_user (net/socket.c:2603)
[  114.866656][ T2268]  __sys_sendmsg (net/socket.c:2784)
[  114.866848][ T2268]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  114.867028][ T2268]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  114.867249][ T2268]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  114.867447][ T2268]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  114.867631][ T2268]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  114.867818][ T2268]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  114.868002][ T2268]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  114.868185][ T2268]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  114.868401][ T2268] RIP: 0033:0x7fbff5f3208e
[  114.868604][ T2268] 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
[  114.869139][ T2268] RSP: 002b:00007fff6d1eb270 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  114.869392][ T2268] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fbff5f3208e
[  114.869653][ T2268] RDX: 0000000000000000 RSI: 00007fff6d1eb320 RDI: 0000000000000005
[  114.869909][ T2268] RBP: 00007fff6d1eb280 R08: 0000000000000000 R09: 0000000000000000
[  114.870159][ T2268] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e84c
[  114.870424][ T2268] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff6d1eb9e0
| [  115.892679][  T164] ------------[ cut here ]------------
| [  115.892937][  T164] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: devlink_trap.sh/164
| [  115.893233][  T164] Modules linked in: netdevsim
| [  115.893795][  T164] Tainted: [W]=WARN
[  115.893909][  T164] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  115.894091][  T164] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  115.894282][  T164] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  115.894916][  T164] RSP: 0018:ffa00000008177c8 EFLAGS: 00010286
[  115.895152][  T164] RAX: 00000000ffffffa6 RBX: ff1100000d592ac0 RCX: 1ff4000000102ebf
[  115.895371][  T164] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d592b70
[  115.895597][  T164] RBP: ff1100000be12000 R08: 1fe2200001ab256f R09: ff1100000c3aaf20
[  115.895825][  T164] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[  115.896044][  T164] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000008178b8
[  115.896265][  T164] FS:  00007fd927d35b80(0000) GS:ff1100007af85000(0000) knlGS:0000000000000000
[  115.896548][  T164] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  115.896737][  T164] CR2: 000055924f5f4040 CR3: 00000000096a3002 CR4: 0000000000771ef0
[  115.896971][  T164] PKRU: 55555554
[  115.897101][  T164] Call Trace:
[  115.897218][  T164]  <TASK>
[  115.897296][  T164]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  115.897459][  T164]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  115.897576][  T164]  netif_close_many (net/core/dev.c:1804)
[  115.897728][  T164]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  115.897893][  T164]  ? __dev_close_many (net/core/dev.c:1781)
[  115.898039][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  115.898190][  T164]  netif_close_many_and_unlock (net/core/dev.c:12330)
[  115.898337][  T164]  ? unregister_netdevice_many_notify (./include/linux/netdevice.h:2830 net/core/dev.c:12396)
[  115.898524][  T164]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[  115.898707][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  115.898863][  T164]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  115.899011][  T164]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  115.899159][  T164]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  115.899305][  T164]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  115.899575][  T164]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[  115.899723][  T164]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  115.899873][  T164]  ? netdev_run_todo (net/core/dev.c:11703)
[  115.900019][  T164]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  115.900164][  T164]  ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1061 (discriminator 37) arch/x86/kernel/apic/apic.c:1061 (discriminator 37))
[  115.900347][  T164]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  115.900504][  T164]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[  115.900652][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  115.900804][  T164]  ? unregister_netdevice_many (net/core/dev.c:12497)
[  115.900953][  T164] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[  115.901107][  T164]  ? kstrtouint (lib/kstrtox.c:233)
[  115.901255][  T164] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[  115.901451][  T164] nsim_drv_port_del (drivers/net/netdevsim/dev.c:1856) netdevsim
[  115.901695][  T164] del_port_store (drivers/net/netdevsim/bus.c:118) netdevsim
[  115.901849][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) fs/sysfs/file.c:24 (discriminator 2))
[  115.901997][  T164]  ? del_device_store (./include/linux/list.h:127 (discriminator 2)) netdevsim
[  115.902204][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[  115.902350][  T164]  ? sysfs_kf_write (fs/sysfs/file.c:137)
[  115.902502][  T164]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[  115.902661][  T164]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[  115.902813][  T164]  ? kernfs_ops (fs/kernfs/file.c:128)
[  115.902924][  T164]  new_sync_write (fs/read_write.c:595)
[  115.903073][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  115.903219][  T164]  ? new_sync_read (./include/linux/ioprio.h:41)
[  115.903376][  T164]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  115.903528][  T164]  ? ksys_write (fs/read_write.c:740)
[  115.903680][  T164]  vfs_write (fs/read_write.c:688)
[  115.903798][  T164]  ksys_write (fs/read_write.c:740)
[  115.903911][  T164]  ? __ia32_sys_read (fs/read_write.c:724)
[  115.904069][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  115.904214][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  115.904361][  T164]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  115.904512][  T164]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  115.904658][  T164]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  115.904817][  T164]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  115.905002][  T164] RIP: 0033:0x7fd927da708e
[  115.905156][  T164] 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
[  115.905713][  T164] RSP: 002b:00007ffca3d72790 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[  115.905953][  T164] RAX: ffffffffffffffda RBX: 00007fd927f29580 RCX: 00007fd927da708e
[  115.906170][  T164] RDX: 0000000000000002 RSI: 000055924f5f4040 RDI: 0000000000000001
[  115.906388][  T164] RBP: 00007ffca3d727a0 R08: 0000000000000000 R09: 0000000000000000
[  115.906612][  T164] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002
[  115.906874][  T164] R13: 0000000000000002 R14: 000055924f5f4040 R15: 0000000000000000
| [  115.912234][  T164] ------------[ cut here ]------------
| [  115.912435][  T164] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: devlink_trap.sh/164
| [  115.912722][  T164] Modules linked in: netdevsim
| [  115.913214][  T164] Tainted: [W]=WARN
[  115.913321][  T164] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  115.913552][  T164] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  115.913747][  T164] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  115.914281][  T164] RSP: 0018:ffa0000000817948 EFLAGS: 00010286
[  115.914468][  T164] RAX: 00000000ffffffa6 RBX: ff1100000d438340 RCX: 1ff4000000102eef
[  115.914682][  T164] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d4383f0
[  115.914895][  T164] RBP: ff1100000be12000 R08: 1fe2200001a8707f R09: ff1100000c3aaef8
[  115.915101][  T164] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[  115.915308][  T164] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  115.915525][  T164] FS:  00007fd927d35b80(0000) GS:ff1100007af85000(0000) knlGS:0000000000000000
[  115.915782][  T164] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  115.915963][  T164] CR2: 000055924f5f4040 CR3: 00000000096a3002 CR4: 0000000000771ef0
[  115.916173][  T164] PKRU: 55555554
[  115.916282][  T164] Call Trace:
[  115.916389][  T164]  <TASK>
[  115.916470][  T164]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  115.916650][  T164]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  115.916827][  T164]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[  115.916966][  T164]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  115.917144][  T164]  ? netdev_run_todo (net/core/dev.c:11703)
[  115.917289][  T164]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  115.917434][  T164]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  115.917574][  T164]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[  115.917715][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  115.917856][  T164]  ? unregister_netdevice_many (net/core/dev.c:12497)
[  115.917998][  T164] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[  115.918139][  T164]  ? kstrtouint (lib/kstrtox.c:233)
[  115.918279][  T164] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[  115.918517][  T164] nsim_drv_port_del (drivers/net/netdevsim/dev.c:1856) netdevsim
[  115.918691][  T164] del_port_store (drivers/net/netdevsim/bus.c:118) netdevsim
[  115.918838][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) fs/sysfs/file.c:24 (discriminator 2))
[  115.918977][  T164]  ? del_device_store (./include/linux/list.h:127 (discriminator 2)) netdevsim
[  115.919150][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[  115.919287][  T164]  ? sysfs_kf_write (fs/sysfs/file.c:137)
[  115.919483][  T164]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[  115.919678][  T164]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[  115.919822][  T164]  ? kernfs_ops (fs/kernfs/file.c:128)
[  115.919929][  T164]  new_sync_write (fs/read_write.c:595)
[  115.920070][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  115.920210][  T164]  ? new_sync_read (./include/linux/ioprio.h:41)
[  115.920354][  T164]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  115.920549][  T164]  ? ksys_write (fs/read_write.c:740)
[  115.920692][  T164]  vfs_write (fs/read_write.c:688)
[  115.920846][  T164]  ksys_write (fs/read_write.c:740)
[  115.920951][  T164]  ? __ia32_sys_read (fs/read_write.c:724)
[  115.921093][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  115.921234][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  115.921374][  T164]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  115.921570][  T164]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  115.921708][  T164]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  115.921855][  T164]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  115.922034][  T164] RIP: 0033:0x7fd927da708e
[  115.922179][  T164] 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
[  115.922781][  T164] RSP: 002b:00007ffca3d72790 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[  115.922991][  T164] RAX: ffffffffffffffda RBX: 00007fd927f29580 RCX: 00007fd927da708e
[  115.923199][  T164] RDX: 0000000000000002 RSI: 000055924f5f4040 RDI: 0000000000000001
[  115.923469][  T164] RBP: 00007ffca3d727a0 R08: 0000000000000000 R09: 0000000000000000
[  115.923676][  T164] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002
[  115.923916][  T164] R13: 0000000000000002 R14: 000055924f5f4040 R15: 0000000000000000
| [  115.975860][  T164] ------------[ cut here ]------------
| [  115.976138][  T164] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: devlink_trap.sh/164
| [  115.976548][  T164] Modules linked in: netdevsim
| [  115.977166][  T164] Tainted: [W]=WARN
[  115.977324][  T164] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  115.977571][  T164] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  115.977817][  T164] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  115.978373][  T164] RSP: 0018:ffa0000000817858 EFLAGS: 00010286
[  115.978615][  T164] RAX: 00000000ffffffa6 RBX: ff110000095e2940 RCX: 1ff4000000102ed1
[  115.978889][  T164] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000095e29f0
[  115.979176][  T164] RBP: ff1100000f57a000 R08: 1fe22000012bc53f R09: ff1100000c3aaef8
[  115.979462][  T164] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  115.979724][  T164] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f57a000
[  115.980021][  T164] FS:  00007fd927d35b80(0000) GS:ff1100007b085000(0000) knlGS:0000000000000000
[  115.980386][  T164] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  115.980658][  T164] CR2: 00007fbff5dc5574 CR3: 00000000096a3005 CR4: 0000000000771ef0
[  115.980938][  T164] PKRU: 55555554
[  115.981097][  T164] Call Trace:
[  115.981256][  T164]  <TASK>
[  115.981378][  T164]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  115.981594][  T164]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  115.981759][  T164]  register_netdevice (net/core/dev.c:11488)
[  115.981977][  T164]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[  115.982224][  T164]  ? __debugfs_create_file (fs/debugfs/inode.c:412 fs/debugfs/inode.c:452)
[  115.982434][  T164] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[  115.982672][  T164] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[  115.982887][  T164] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[  115.983120][  T164]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[  115.983352][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  115.983559][  T164]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[  115.983759][  T164] nsim_drv_port_add (drivers/net/netdevsim/dev.c:1839) netdevsim
[  115.983988][  T164] new_port_store (drivers/net/netdevsim/bus.c:96 (discriminator 3)) netdevsim
[  115.984184][  T164]  ? del_port_store (drivers/net/netdevsim/bus.c:120) netdevsim
[  115.984445][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[  115.984662][  T164]  ? sysfs_kf_write (fs/sysfs/file.c:137)
[  115.984861][  T164]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[  115.985052][  T164]  ? kernfs_ops (fs/kernfs/file.c:128)
[  115.985208][  T164]  new_sync_write (fs/read_write.c:595)
[  115.985400][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  115.985662][  T164]  ? new_sync_read (./include/linux/ioprio.h:41)
[  115.985863][  T164]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  115.986054][  T164]  ? ksys_write (fs/read_write.c:740)
[  115.986249][  T164]  vfs_write (fs/read_write.c:688)
[  115.986422][  T164]  ksys_write (fs/read_write.c:740)
[  115.986580][  T164]  ? __ia32_sys_read (fs/read_write.c:724)
[  115.986776][  T164]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  115.986969][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  115.987184][  T164]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  115.987374][  T164]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  115.987578][  T164]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  115.987778][  T164]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  115.988004][  T164] RIP: 0033:0x7fd927da708e
[  115.988201][  T164] 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
[  115.988775][  T164] RSP: 002b:00007ffca3d72690 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[  115.989039][  T164] RAX: ffffffffffffffda RBX: 00007fd927f29580 RCX: 00007fd927da708e
[  115.989297][  T164] RDX: 0000000000000002 RSI: 000055924f5f4040 RDI: 0000000000000001
[  115.989566][  T164] RBP: 00007ffca3d726a0 R08: 0000000000000000 R09: 0000000000000000
[  115.989841][  T164] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002
[  115.990128][  T164] R13: 0000000000000002 R14: 000055924f5f4040 R15: 0000000000000000
| [  116.113940][ T2274] ------------[ cut here ]------------
| [  116.114135][ T2274] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/2274
| [  116.114418][ T2274] Modules linked in: netdevsim
| [  116.114842][ T2274] Tainted: [W]=WARN
[  116.114943][ T2274] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  116.115110][ T2274] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  116.115291][ T2274] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  116.115784][ T2274] RSP: 0018:ffa0000003497020 EFLAGS: 00010286
[  116.115958][ T2274] RAX: 00000000ffffffa6 RBX: ff1100000a2dac40 RCX: 1ff4000000692dca
[  116.116159][ T2274] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000a2dacf0
[  116.116360][ T2274] RBP: ff1100000f57a000 R08: 1fe220000145b59f R09: ff1100000beb5180
[  116.116567][ T2274] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[  116.116776][ T2274] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[  116.117018][ T2274] FS:  00007f0988367840(0000) GS:ff1100007af85000(0000) knlGS:0000000000000000
[  116.117257][ T2274] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  116.117459][ T2274] CR2: 0000000005886988 CR3: 00000000095f7004 CR4: 0000000000771ef0
[  116.117661][ T2274] PKRU: 55555554
[  116.117766][ T2274] Call Trace:
[  116.117866][ T2274]  <TASK>
[  116.117938][ T2274]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[  116.118080][ T2274]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  116.118217][ T2274]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  116.118319][ T2274]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  116.118455][ T2274]  __dev_notify_flags (net/core/dev.c:9787)
[  116.118589][ T2274]  ? netif_change_name (net/core/dev.c:1495)
[  116.118728][ T2274]  ? __dev_change_flags (net/core/dev.c:9752)
[  116.118867][ T2274]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[  116.118999][ T2274]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  116.119132][ T2274]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[  116.119269][ T2274]  netif_change_flags (net/core/dev.c:9820)
[  116.119415][ T2274]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[  116.119553][ T2274]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  116.119686][ T2274]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  116.119858][ T2274]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  116.119994][ T2274]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  116.120132][ T2274]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  116.120264][ T2274]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  116.120397][ T2274]  ? __kernel_text_address (kernel/extable.c:79)
[  116.120538][ T2274]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  116.120677][ T2274]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  116.120813][ T2274]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  116.120948][ T2274]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  116.121080][ T2274]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  116.121211][ T2274]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  116.121342][ T2274]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  116.121481][ T2274]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  116.121613][ T2274]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  116.121756][ T2274]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  116.121893][ T2274]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  116.122028][ T2274]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  116.122169][ T2274]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  116.122306][ T2274]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  116.122453][ T2274]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  116.122587][ T2274]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  116.122721][ T2274]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  116.122858][ T2274]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  116.122992][ T2274]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  116.123131][ T2274]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  116.123263][ T2274]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  116.123397][ T2274]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  116.123536][ T2274]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  116.123671][ T2274]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  116.123846][ T2274]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  116.123988][ T2274]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  116.124122][ T2274]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  116.124256][ T2274]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  116.124395][ T2274]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  116.124536][ T2274]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  116.124679][ T2274]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  116.124817][ T2274]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  116.124951][ T2274]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  116.125087][ T2274]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  116.125222][ T2274]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  116.125358][ T2274]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  116.125498][ T2274]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  116.125632][ T2274]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  116.125773][ T2274]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  116.125907][ T2274]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  116.126042][ T2274]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  116.126178][ T2274]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  116.126313][ T2274]  ? copy_msghdr_from_user (net/socket.c:2635)
[  116.126452][ T2274]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  116.126618][ T2274]  ? move_addr_to_kernel (net/socket.c:258)
[  116.126761][ T2274]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  116.126895][ T2274]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  116.127029][ T2274]  ___sys_sendmsg (net/socket.c:2752)
[  116.127160][ T2274]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  116.127328][ T2274]  ? copy_msghdr_from_user (net/socket.c:2603)
[  116.127482][ T2274]  __sys_sendmsg (net/socket.c:2784)
[  116.127616][ T2274]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  116.127751][ T2274]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  116.127924][ T2274]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  116.128066][ T2274]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  116.128204][ T2274]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  116.128372][ T2274]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  116.128515][ T2274]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  116.128653][ T2274]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  116.128825][ T2274] RIP: 0033:0x7f09885a108e
[  116.128996][ T2274] 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
[  116.129474][ T2274] RSP: 002b:00007fff00eecc60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  116.129682][ T2274] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f09885a108e
[  116.129889][ T2274] RDX: 0000000000000000 RSI: 00007fff00eecd10 RDI: 0000000000000005
[  116.130087][ T2274] RBP: 00007fff00eecc70 R08: 0000000000000000 R09: 0000000000000000
[  116.130285][ T2274] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e84d
[  116.130487][ T2274] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff00eed3d0
| [  117.147537][  T164] ------------[ cut here ]------------
| [  117.147832][  T164] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: devlink_trap.sh/164
| [  117.148251][  T164] Modules linked in: netdevsim
| [  117.148949][  T164] Tainted: [W]=WARN
[  117.149115][  T164] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  117.149426][  T164] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  117.149672][  T164] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  117.150277][  T164] RSP: 0018:ffa00000008177c8 EFLAGS: 00010286
[  117.150643][  T164] RAX: 00000000ffffffa6 RBX: ff1100000b11a940 RCX: 1ff4000000102ebf
[  117.151022][  T164] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b11a9f0
[  117.151392][  T164] RBP: ff1100000f57a000 R08: 1fe220000162353f R09: ff1100000c3aaf20
[  117.151928][  T164] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[  117.152324][  T164] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000008178b8
[  117.152730][  T164] FS:  00007fd927d35b80(0000) GS:ff1100007b085000(0000) knlGS:0000000000000000
[  117.153173][  T164] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  117.153544][  T164] CR2: 000055924f5f4040 CR3: 00000000096a3005 CR4: 0000000000771ef0
[  117.153907][  T164] PKRU: 55555554
[  117.154096][  T164] Call Trace:
[  117.154254][  T164]  <TASK>
[  117.154381][  T164]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  117.154600][  T164]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  117.154770][  T164]  netif_close_many (net/core/dev.c:1804)
[  117.154971][  T164]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  117.155171][  T164]  ? __dev_close_many (net/core/dev.c:1781)
[  117.155373][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  117.155588][  T164]  netif_close_many_and_unlock (net/core/dev.c:12330)
[  117.155794][  T164]  ? unregister_netdevice_many_notify (./include/linux/netdevice.h:2830 net/core/dev.c:12396)
[  117.156026][  T164]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[  117.156258][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  117.156471][  T164]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  117.156670][  T164]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  117.156906][  T164]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  117.157108][  T164]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  117.157341][  T164]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[  117.157556][  T164]  ? netdev_run_todo (net/core/dev.c:11703)
[  117.157764][  T164]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  117.157962][  T164]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  117.158161][  T164]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[  117.158365][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  117.158576][  T164]  ? unregister_netdevice_many (net/core/dev.c:12497)
[  117.158783][  T164] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[  117.158988][  T164]  ? kstrtouint (lib/kstrtox.c:233)
[  117.159188][  T164] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[  117.159436][  T164] nsim_drv_port_del (drivers/net/netdevsim/dev.c:1856) netdevsim
[  117.159674][  T164] del_port_store (drivers/net/netdevsim/bus.c:118) netdevsim
[  117.159888][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) fs/sysfs/file.c:24 (discriminator 2))
[  117.160091][  T164]  ? del_device_store (./include/linux/list.h:127 (discriminator 2)) netdevsim
[  117.160326][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[  117.160536][  T164]  ? sysfs_kf_write (fs/sysfs/file.c:137)
[  117.160734][  T164]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[  117.160938][  T164]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[  117.161137][  T164]  ? kernfs_ops (fs/kernfs/file.c:128)
[  117.161298][  T164]  new_sync_write (fs/read_write.c:595)
[  117.161518][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  117.161716][  T164]  ? new_sync_read (./include/linux/ioprio.h:41)
[  117.161925][  T164]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  117.162123][  T164]  ? ksys_write (fs/read_write.c:740)
[  117.162324][  T164]  vfs_write (fs/read_write.c:688)
[  117.162503][  T164]  ksys_write (fs/read_write.c:740)
[  117.162665][  T164]  ? __ia32_sys_read (fs/read_write.c:724)
[  117.162868][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  117.163070][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  117.163269][  T164]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  117.163480][  T164]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  117.163679][  T164]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  117.163889][  T164]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  117.164127][  T164] RIP: 0033:0x7fd927da708e
[  117.164334][  T164] 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
[  117.164936][  T164] RSP: 002b:00007ffca3d72790 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[  117.165211][  T164] RAX: ffffffffffffffda RBX: 00007fd927f29580 RCX: 00007fd927da708e
[  117.165495][  T164] RDX: 0000000000000002 RSI: 000055924f5f4040 RDI: 0000000000000001
[  117.165778][  T164] RBP: 00007ffca3d727a0 R08: 0000000000000000 R09: 0000000000000000
[  117.166052][  T164] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002
[  117.166324][  T164] R13: 0000000000000002 R14: 000055924f5f4040 R15: 0000000000000000
| [  117.173281][  T164] ------------[ cut here ]------------
| [  117.173498][  T164] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: devlink_trap.sh/164
| [  117.173790][  T164] Modules linked in: netdevsim
| [  117.174309][  T164] Tainted: [W]=WARN
[  117.174425][  T164] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  117.174606][  T164] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  117.174797][  T164] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  117.175299][  T164] RSP: 0018:ffa0000000817948 EFLAGS: 00010286
[  117.175539][  T164] RAX: 00000000ffffffa6 RBX: ff1100000a2da040 RCX: 1ff4000000102eef
[  117.175760][  T164] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000a2da0f0
[  117.175970][  T164] RBP: ff1100000f57a000 R08: 1fe220000145b41f R09: ff1100000c3aaef8
[  117.176182][  T164] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[  117.176394][  T164] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  117.176614][  T164] FS:  00007fd927d35b80(0000) GS:ff1100007af85000(0000) knlGS:0000000000000000
[  117.176916][  T164] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  117.177099][  T164] CR2: 00007f0988434574 CR3: 00000000096a3005 CR4: 0000000000771ef0
[  117.177314][  T164] PKRU: 55555554
[  117.177424][  T164] Call Trace:
[  117.177532][  T164]  <TASK>
[  117.177607][  T164]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  117.177793][  T164]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  117.177970][  T164]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[  117.178115][  T164]  ? netdev_run_todo (net/core/dev.c:11703)
[  117.178258][  T164]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  117.178401][  T164]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  117.178553][  T164]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[  117.178697][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  117.178848][  T164]  ? unregister_netdevice_many (net/core/dev.c:12497)
[  117.178993][  T164] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[  117.179141][  T164]  ? kstrtouint (lib/kstrtox.c:233)
[  117.179286][  T164] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[  117.179471][  T164] nsim_drv_port_del (drivers/net/netdevsim/dev.c:1856) netdevsim
[  117.179649][  T164] del_port_store (drivers/net/netdevsim/bus.c:118) netdevsim
[  117.179794][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) fs/sysfs/file.c:24 (discriminator 2))
[  117.179938][  T164]  ? del_device_store (./include/linux/list.h:127 (discriminator 2)) netdevsim
[  117.180116][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[  117.180257][  T164]  ? sysfs_kf_write (fs/sysfs/file.c:137)
[  117.180401][  T164]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[  117.180549][  T164]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[  117.180692][  T164]  ? kernfs_ops (fs/kernfs/file.c:128)
[  117.180807][  T164]  new_sync_write (fs/read_write.c:595)
[  117.180950][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  117.181090][  T164]  ? new_sync_read (./include/linux/ioprio.h:41)
[  117.181234][  T164]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  117.181379][  T164]  ? ksys_write (fs/read_write.c:740)
[  117.181534][  T164]  vfs_write (fs/read_write.c:688)
[  117.181644][  T164]  ksys_write (fs/read_write.c:740)
[  117.181759][  T164]  ? __ia32_sys_read (fs/read_write.c:724)
[  117.181904][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  117.182046][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  117.182189][  T164]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  117.182332][  T164]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  117.182481][  T164]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  117.182626][  T164]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  117.182809][  T164] RIP: 0033:0x7fd927da708e
[  117.182957][  T164] 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
[  117.183462][  T164] RSP: 002b:00007ffca3d72790 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[  117.183679][  T164] RAX: ffffffffffffffda RBX: 00007fd927f29580 RCX: 00007fd927da708e
[  117.183900][  T164] RDX: 0000000000000002 RSI: 000055924f5f4040 RDI: 0000000000000001
[  117.184109][  T164] RBP: 00007ffca3d727a0 R08: 0000000000000000 R09: 0000000000000000
[  117.184318][  T164] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002
[  117.184537][  T164] R13: 0000000000000002 R14: 000055924f5f4040 R15: 0000000000000000
| [  117.251228][  T164] ------------[ cut here ]------------
| [  117.251471][  T164] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: devlink_trap.sh/164
| [  117.251776][  T164] Modules linked in: netdevsim
| [  117.252312][  T164] Tainted: [W]=WARN
[  117.252480][  T164] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  117.252667][  T164] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  117.252870][  T164] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  117.253424][  T164] RSP: 0018:ffa0000000817858 EFLAGS: 00010286
[  117.253613][  T164] RAX: 00000000ffffffa6 RBX: ff110000092733c0 RCX: 1ff4000000102ed1
[  117.253842][  T164] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009273470
[  117.254065][  T164] RBP: ff1100000bcc2000 R08: 1fe220000124e68f R09: ff1100000c3aaef8
[  117.254288][  T164] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[  117.254562][  T164] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000bcc2000
[  117.254790][  T164] FS:  00007fd927d35b80(0000) GS:ff1100007af85000(0000) knlGS:0000000000000000
[  117.255051][  T164] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  117.255240][  T164] CR2: 000055924f4f2718 CR3: 00000000096a3005 CR4: 0000000000771ef0
[  117.255465][  T164] PKRU: 55555554
[  117.255577][  T164] Call Trace:
[  117.255689][  T164]  <TASK>
[  117.255772][  T164]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  117.255924][  T164]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  117.256038][  T164]  register_netdevice (net/core/dev.c:11488)
[  117.256188][  T164]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[  117.256372][  T164]  ? __debugfs_create_file (fs/debugfs/inode.c:412 fs/debugfs/inode.c:452)
[  117.256531][  T164] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[  117.256722][  T164] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[  117.256878][  T164] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[  117.257063][  T164]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[  117.257253][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  117.257406][  T164]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[  117.257560][  T164] nsim_drv_port_add (drivers/net/netdevsim/dev.c:1839) netdevsim
[  117.257748][  T164] new_port_store (drivers/net/netdevsim/bus.c:96 (discriminator 3)) netdevsim
[  117.257899][  T164]  ? del_port_store (drivers/net/netdevsim/bus.c:120) netdevsim
[  117.258085][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[  117.258233][  T164]  ? sysfs_kf_write (fs/sysfs/file.c:137)
[  117.258381][  T164]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[  117.258535][  T164]  ? kernfs_ops (fs/kernfs/file.c:128)
[  117.258646][  T164]  new_sync_write (fs/read_write.c:595)
[  117.258802][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  117.258950][  T164]  ? new_sync_read (./include/linux/ioprio.h:41)
[  117.259101][  T164]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  117.259249][  T164]  ? ksys_write (fs/read_write.c:740)
[  117.259404][  T164]  vfs_write (fs/read_write.c:688)
[  117.259527][  T164]  ksys_write (fs/read_write.c:740)
[  117.259641][  T164]  ? __ia32_sys_read (fs/read_write.c:724)
[  117.259795][  T164]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  117.259945][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  117.260095][  T164]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  117.260242][  T164]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  117.260390][  T164]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  117.260546][  T164]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  117.260729][  T164] RIP: 0033:0x7fd927da708e
[  117.260893][  T164] 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
[  117.261422][  T164] RSP: 002b:00007ffca3d72690 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[  117.261648][  T164] RAX: ffffffffffffffda RBX: 00007fd927f29580 RCX: 00007fd927da708e
[  117.261873][  T164] RDX: 0000000000000002 RSI: 000055924f5f4040 RDI: 0000000000000001
[  117.262091][  T164] RBP: 00007ffca3d726a0 R08: 0000000000000000 R09: 0000000000000000
[  117.262311][  T164] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002
[  117.262536][  T164] R13: 0000000000000002 R14: 000055924f5f4040 R15: 0000000000000000
| [  117.372157][ T2280] ------------[ cut here ]------------
| [  117.372380][ T2280] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/2280
| [  117.372715][ T2280] Modules linked in: netdevsim
| [  117.373231][ T2280] Tainted: [W]=WARN
[  117.373381][ T2280] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  117.373611][ T2280] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  117.373843][ T2280] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  117.374372][ T2280] RSP: 0018:ffa00000034c7020 EFLAGS: 00010286
[  117.374601][ T2280] RAX: 00000000ffffffa6 RBX: ff1100000e595cc0 RCX: 1ff4000000698dca
[  117.374859][ T2280] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000e595d70
[  117.375109][ T2280] RBP: ff1100000bcc2000 R08: 1fe2200001cb2baf R09: ff11000008d45180
[  117.375356][ T2280] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[  117.375624][ T2280] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[  117.375888][ T2280] FS:  00007fb4b3e7b840(0000) GS:ff1100007b085000(0000) knlGS:0000000000000000
[  117.376173][ T2280] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  117.376393][ T2280] CR2: 000000001cfb7988 CR3: 000000000c787006 CR4: 0000000000771ef0
[  117.376656][ T2280] PKRU: 55555554
[  117.376812][ T2280] Call Trace:
[  117.376962][ T2280]  <TASK>
[  117.377081][ T2280]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  117.377272][ T2280]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  117.377435][ T2280]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  117.377622][ T2280]  __dev_notify_flags (net/core/dev.c:9787)
[  117.377819][ T2280]  ? netif_change_name (net/core/dev.c:1495)
[  117.378000][ T2280]  ? __dev_change_flags (net/core/dev.c:9752)
[  117.378186][ T2280]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[  117.378366][ T2280]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  117.378565][ T2280]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[  117.378760][ T2280]  netif_change_flags (net/core/dev.c:9820)
[  117.378946][ T2280]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[  117.379131][ T2280]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  117.379315][ T2280]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  117.379546][ T2280]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  117.379732][ T2280]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  117.379921][ T2280]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  117.380104][ T2280]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  117.380289][ T2280]  ? __kernel_text_address (kernel/extable.c:79)
[  117.380487][ T2280]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  117.380670][ T2280]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  117.380860][ T2280]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  117.381043][ T2280]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  117.381227][ T2280]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  117.381421][ T2280]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  117.381601][ T2280]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  117.381793][ T2280]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  117.381976][ T2280]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  117.382160][ T2280]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  117.382345][ T2280]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  117.382541][ T2280]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  117.382728][ T2280]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  117.382923][ T2280]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  117.383107][ T2280]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  117.383292][ T2280]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  117.383492][ T2280]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  117.383677][ T2280]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  117.383866][ T2280]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  117.384052][ T2280]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  117.384234][ T2280]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  117.384431][ T2280]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  117.384613][ T2280]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  117.384807][ T2280]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  117.384993][ T2280]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  117.385177][ T2280]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  117.385359][ T2280]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  117.385554][ T2280]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  117.385739][ T2280]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  117.385930][ T2280]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  117.386115][ T2280]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  117.386301][ T2280]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  117.386495][ T2280]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  117.386682][ T2280]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  117.386876][ T2280]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  117.387065][ T2280]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  117.387248][ T2280]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  117.387444][ T2280]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  117.387628][ T2280]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  117.387822][ T2280]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  117.388006][ T2280]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  117.388193][ T2280]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  117.388375][ T2280]  ? copy_msghdr_from_user (net/socket.c:2635)
[  117.388567][ T2280]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  117.388790][ T2280]  ? move_addr_to_kernel (net/socket.c:258)
[  117.388975][ T2280]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  117.389159][ T2280]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  117.389343][ T2280]  ___sys_sendmsg (net/socket.c:2752)
[  117.389539][ T2280]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  117.389761][ T2280]  ? copy_msghdr_from_user (net/socket.c:2603)
[  117.389957][ T2280]  __sys_sendmsg (net/socket.c:2784)
[  117.390141][ T2280]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  117.390322][ T2280]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  117.390558][ T2280]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  117.390742][ T2280]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  117.390934][ T2280]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  117.391114][ T2280]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  117.391299][ T2280]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  117.391496][ T2280]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  117.391710][ T2280] RIP: 0033:0x7fb4b40b508e
[  117.391903][ T2280] 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
[  117.392445][ T2280] RSP: 002b:00007ffe584976b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  117.392696][ T2280] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fb4b40b508e
[  117.392954][ T2280] RDX: 0000000000000000 RSI: 00007ffe58497760 RDI: 0000000000000005
[  117.393201][ T2280] RBP: 00007ffe584976c0 R08: 0000000000000000 R09: 0000000000000000
[  117.393459][ T2280] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e84e
[  117.393707][ T2280] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe58497e20
| [  118.423085][  T164] ------------[ cut here ]------------
| [  118.423328][  T164] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: devlink_trap.sh/164
| [  118.423651][  T164] Modules linked in: netdevsim
| [  118.424195][  T164] Tainted: [W]=WARN
[  118.424313][  T164] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  118.424564][  T164] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  118.424769][  T164] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  118.425322][  T164] RSP: 0018:ffa00000008177c8 EFLAGS: 00010286
[  118.425527][  T164] RAX: 00000000ffffffa6 RBX: ff1100000d520940 RCX: 1ff4000000102ebf
[  118.425764][  T164] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d5209f0
[  118.425995][  T164] RBP: ff1100000bcc2000 R08: 1fe2200001aa413f R09: ff1100000c3aaf20
[  118.426226][  T164] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[  118.426460][  T164] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000008178b8
[  118.426691][  T164] FS:  00007fd927d35b80(0000) GS:ff1100007af85000(0000) knlGS:0000000000000000
[  118.426965][  T164] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  118.427155][  T164] CR2: 000055924f4f4948 CR3: 00000000096a3005 CR4: 0000000000771ef0
[  118.427382][  T164] PKRU: 55555554
[  118.427557][  T164] Call Trace:
[  118.427671][  T164]  <TASK>
[  118.427762][  T164]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  118.427918][  T164]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  118.428033][  T164]  netif_close_many (net/core/dev.c:1804)
[  118.428185][  T164]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  118.428341][  T164]  ? __dev_close_many (net/core/dev.c:1781)
[  118.428501][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  118.428655][  T164]  netif_close_many_and_unlock (net/core/dev.c:12330)
[  118.428812][  T164]  ? unregister_netdevice_many_notify (./include/linux/netdevice.h:2830 net/core/dev.c:12396)
[  118.428999][  T164]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[  118.429187][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  118.429341][  T164]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  118.429502][  T164]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  118.429655][  T164]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  118.429811][  T164]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  118.429997][  T164]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[  118.430147][  T164]  ? netdev_run_todo (net/core/dev.c:11703)
[  118.430296][  T164]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  118.430452][  T164]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  118.430607][  T164]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[  118.430763][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  118.430922][  T164]  ? unregister_netdevice_many (net/core/dev.c:12497)
[  118.431087][  T164] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[  118.431242][  T164]  ? kstrtouint (lib/kstrtox.c:233)
[  118.431395][  T164] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[  118.431590][  T164] nsim_drv_port_del (drivers/net/netdevsim/dev.c:1856) netdevsim
[  118.431784][  T164] del_port_store (drivers/net/netdevsim/bus.c:118) netdevsim
[  118.431939][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) fs/sysfs/file.c:24 (discriminator 2))
[  118.432091][  T164]  ? del_device_store (./include/linux/list.h:127 (discriminator 2)) netdevsim
[  118.432279][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[  118.432435][  T164]  ? sysfs_kf_write (fs/sysfs/file.c:137)
[  118.432586][  T164]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[  118.432736][  T164]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[  118.432890][  T164]  ? kernfs_ops (fs/kernfs/file.c:128)
[  118.433003][  T164]  new_sync_write (fs/read_write.c:595)
[  118.433156][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  118.433309][  T164]  ? new_sync_read (./include/linux/ioprio.h:41)
[  118.433465][  T164]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  118.433614][  T164]  ? ksys_write (fs/read_write.c:740)
[  118.433782][  T164]  vfs_write (fs/read_write.c:688)
[  118.433902][  T164]  ksys_write (fs/read_write.c:740)
[  118.434017][  T164]  ? __ia32_sys_read (fs/read_write.c:724)
[  118.434165][  T164]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  118.434314][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  118.434474][  T164]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  118.434623][  T164]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  118.434778][  T164]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  118.434928][  T164]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  118.435114][  T164] RIP: 0033:0x7fd927da708e
[  118.435272][  T164] 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
[  118.435817][  T164] RSP: 002b:00007ffca3d72790 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[  118.436043][  T164] RAX: ffffffffffffffda RBX: 00007fd927f29580 RCX: 00007fd927da708e
[  118.436268][  T164] RDX: 0000000000000002 RSI: 000055924f5f4040 RDI: 0000000000000001
[  118.436497][  T164] RBP: 00007ffca3d727a0 R08: 0000000000000000 R09: 0000000000000000
[  118.436722][  T164] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002
[  118.436949][  T164] R13: 0000000000000002 R14: 000055924f5f4040 R15: 0000000000000000
| [  118.442339][  T164] ------------[ cut here ]------------
| [  118.442575][  T164] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: devlink_trap.sh/164
| [  118.442860][  T164] Modules linked in: netdevsim
| [  118.443363][  T164] Tainted: [W]=WARN
[  118.443519][  T164] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  118.443699][  T164] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  118.443891][  T164] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  118.444398][  T164] RSP: 0018:ffa0000000817948 EFLAGS: 00010286
[  118.444588][  T164] RAX: 00000000ffffffa6 RBX: ff1100000d5219c0 RCX: 1ff4000000102eef
[  118.444807][  T164] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d521a70
[  118.445018][  T164] RBP: ff1100000bcc2000 R08: 1fe2200001aa434f R09: ff1100000c3aaef8
[  118.445232][  T164] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[  118.445450][  T164] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  118.445663][  T164] FS:  00007fd927d35b80(0000) GS:ff1100007af85000(0000) knlGS:0000000000000000
[  118.445920][  T164] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  118.446101][  T164] CR2: 000055924f4f4948 CR3: 00000000096a3005 CR4: 0000000000771ef0
[  118.446319][  T164] PKRU: 55555554
[  118.446433][  T164] Call Trace:
[  118.446539][  T164]  <TASK>
[  118.446612][  T164]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  118.446799][  T164]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  118.446974][  T164]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[  118.447115][  T164]  ? netdev_run_todo (net/core/dev.c:11703)
[  118.447258][  T164]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  118.447402][  T164]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  118.447552][  T164]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[  118.447692][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  118.447837][  T164]  ? unregister_netdevice_many (net/core/dev.c:12497)
[  118.447983][  T164] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[  118.448130][  T164]  ? kstrtouint (lib/kstrtox.c:233)
[  118.448274][  T164] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[  118.448555][  T164] nsim_drv_port_del (drivers/net/netdevsim/dev.c:1856) netdevsim
[  118.448734][  T164] del_port_store (drivers/net/netdevsim/bus.c:118) netdevsim
[  118.448883][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) fs/sysfs/file.c:24 (discriminator 2))
[  118.449026][  T164]  ? del_device_store (./include/linux/list.h:127 (discriminator 2)) netdevsim
[  118.449204][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[  118.449346][  T164]  ? sysfs_kf_write (fs/sysfs/file.c:137)
[  118.449546][  T164]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[  118.449747][  T164]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[  118.449895][  T164]  ? kernfs_ops (fs/kernfs/file.c:128)
[  118.450003][  T164]  new_sync_write (fs/read_write.c:595)
[  118.450147][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  118.450290][  T164]  ? new_sync_read (./include/linux/ioprio.h:41)
[  118.450491][  T164]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  118.450634][  T164]  ? ksys_write (fs/read_write.c:740)
[  118.450784][  T164]  vfs_write (fs/read_write.c:688)
[  118.450896][  T164]  ksys_write (fs/read_write.c:740)
[  118.451005][  T164]  ? __ia32_sys_read (fs/read_write.c:724)
[  118.451147][  T164]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  118.451289][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  118.451491][  T164]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  118.451631][  T164]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  118.451778][  T164]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  118.451922][  T164]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  118.452100][  T164] RIP: 0033:0x7fd927da708e
[  118.452247][  T164] 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
[  118.452814][  T164] RSP: 002b:00007ffca3d72790 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[  118.453029][  T164] RAX: ffffffffffffffda RBX: 00007fd927f29580 RCX: 00007fd927da708e
[  118.453239][  T164] RDX: 0000000000000002 RSI: 000055924f5f4040 RDI: 0000000000000001
[  118.453511][  T164] RBP: 00007ffca3d727a0 R08: 0000000000000000 R09: 0000000000000000
[  118.453722][  T164] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002
[  118.453968][  T164] R13: 0000000000000002 R14: 000055924f5f4040 R15: 0000000000000000
| [  118.500590][  T164] ------------[ cut here ]------------
| [  118.500811][  T164] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: devlink_trap.sh/164
| [  118.501119][  T164] Modules linked in: netdevsim
| [  118.501637][  T164] Tainted: [W]=WARN
[  118.501751][  T164] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  118.501937][  T164] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  118.502128][  T164] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  118.502707][  T164] RSP: 0018:ffa0000000817858 EFLAGS: 00010286
[  118.502903][  T164] RAX: 00000000ffffffa6 RBX: ff11000009272c40 RCX: 1ff4000000102ed1
[  118.503122][  T164] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009272cf0
[  118.503342][  T164] RBP: ff1100000c522000 R08: 1fe220000124e59f R09: ff1100000c3aaef8
[  118.503569][  T164] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[  118.503792][  T164] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c522000
[  118.504061][  T164] FS:  00007fd927d35b80(0000) GS:ff1100007b105000(0000) knlGS:0000000000000000
[  118.504321][  T164] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  118.504512][  T164] CR2: 00007fbec54af000 CR3: 00000000096a3001 CR4: 0000000000771ef0
[  118.504732][  T164] PKRU: 55555554
[  118.504850][  T164] Call Trace:
[  118.504961][  T164]  <TASK>
[  118.505037][  T164]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  118.505186][  T164]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  118.505301][  T164]  register_netdevice (net/core/dev.c:11488)
[  118.505455][  T164]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[  118.505638][  T164]  ? __debugfs_create_file (fs/debugfs/inode.c:412 fs/debugfs/inode.c:452)
[  118.505794][  T164] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[  118.505987][  T164] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[  118.506137][  T164] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[  118.506323][  T164]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[  118.506516][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  118.506669][  T164]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[  118.506823][  T164] nsim_drv_port_add (drivers/net/netdevsim/dev.c:1839) netdevsim
[  118.507010][  T164] new_port_store (drivers/net/netdevsim/bus.c:96 (discriminator 3)) netdevsim
[  118.507160][  T164]  ? del_port_store (drivers/net/netdevsim/bus.c:120) netdevsim
[  118.507347][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[  118.507499][  T164]  ? sysfs_kf_write (fs/sysfs/file.c:137)
[  118.507650][  T164]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[  118.507802][  T164]  ? kernfs_ops (fs/kernfs/file.c:128)
[  118.507916][  T164]  new_sync_write (fs/read_write.c:595)
[  118.508065][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  118.508213][  T164]  ? new_sync_read (./include/linux/ioprio.h:41)
[  118.508363][  T164]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  118.508516][  T164]  ? ksys_write (fs/read_write.c:740)
[  118.508669][  T164]  vfs_write (fs/read_write.c:688)
[  118.508812][  T164]  ksys_write (fs/read_write.c:740)
[  118.508924][  T164]  ? __ia32_sys_read (fs/read_write.c:724)
[  118.509070][  T164]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  118.509218][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  118.509367][  T164]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  118.509519][  T164]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  118.509667][  T164]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  118.509923][  T164]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  118.510205][  T164] RIP: 0033:0x7fd927da708e
[  118.510467][  T164] 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
[  118.511207][  T164] RSP: 002b:00007ffca3d72690 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[  118.511438][  T164] RAX: ffffffffffffffda RBX: 00007fd927f29580 RCX: 00007fd927da708e
[  118.511659][  T164] RDX: 0000000000000002 RSI: 000055924f5f4040 RDI: 0000000000000001
[  118.512081][  T164] RBP: 00007ffca3d726a0 R08: 0000000000000000 R09: 0000000000000000
[  118.512402][  T164] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002
[  118.512628][  T164] R13: 0000000000000002 R14: 000055924f5f4040 R15: 0000000000000000
| [  118.696222][ T2286] ------------[ cut here ]------------
| [  118.696400][ T2286] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/2286
| [  118.696712][ T2286] Modules linked in: netdevsim
| [  118.697139][ T2286] Tainted: [W]=WARN
[  118.697243][ T2286] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  118.697421][ T2286] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  118.697601][ T2286] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  118.698096][ T2286] RSP: 0018:ffa00000034f7020 EFLAGS: 00010286
[  118.698275][ T2286] RAX: 00000000ffffffa6 RBX: ff1100000b0127c0 RCX: 1ff400000069edca
[  118.698489][ T2286] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b012870
[  118.698696][ T2286] RBP: ff1100000c522000 R08: 1fe220000160250f R09: ff1100000c3ad180
[  118.698903][ T2286] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[  118.699106][ T2286] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[  118.699314][ T2286] FS:  00007f9135623840(0000) GS:ff1100007af85000(0000) knlGS:0000000000000000
[  118.699559][ T2286] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  118.699731][ T2286] CR2: 0000000005324988 CR3: 000000000c3ff006 CR4: 0000000000771ef0
[  118.699941][ T2286] PKRU: 55555554
[  118.700043][ T2286] Call Trace:
[  118.700144][ T2286]  <TASK>
[  118.700215][ T2286]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[  118.700356][ T2286]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  118.700501][ T2286]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  118.700605][ T2286]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  118.700742][ T2286]  __dev_notify_flags (net/core/dev.c:9787)
[  118.700883][ T2286]  ? netif_change_name (net/core/dev.c:1495)
[  118.701018][ T2286]  ? __dev_change_flags (net/core/dev.c:9752)
[  118.701153][ T2286]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[  118.701292][ T2286]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  118.701435][ T2286]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[  118.701575][ T2286]  netif_change_flags (net/core/dev.c:9820)
[  118.701712][ T2286]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[  118.701855][ T2286]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  118.701992][ T2286]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  118.702164][ T2286]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  118.702301][ T2286]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  118.702523][ T2286]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  118.702661][ T2286]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  118.702805][ T2286]  ? __kernel_text_address (kernel/extable.c:79)
[  118.702945][ T2286]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  118.703084][ T2286]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  118.703219][ T2286]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  118.703355][ T2286]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  118.703579][ T2286]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  118.703716][ T2286]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  118.703856][ T2286]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  118.703992][ T2286]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  118.704128][ T2286]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  118.704264][ T2286]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  118.704401][ T2286]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  118.704630][ T2286]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  118.704775][ T2286]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  118.704915][ T2286]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  118.705052][ T2286]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  118.705187][ T2286]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  118.705324][ T2286]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  118.705536][ T2286]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  118.705674][ T2286]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  118.705816][ T2286]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  118.705954][ T2286]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  118.706093][ T2286]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  118.706229][ T2286]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  118.706367][ T2286]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  118.706581][ T2286]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  118.706720][ T2286]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  118.706858][ T2286]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  118.706995][ T2286]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  118.707133][ T2286]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  118.707269][ T2286]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  118.707406][ T2286]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  118.707596][ T2286]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  118.707733][ T2286]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  118.707879][ T2286]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  118.708014][ T2286]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  118.708152][ T2286]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  118.708290][ T2286]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  118.708481][ T2286]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  118.708620][ T2286]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  118.708763][ T2286]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  118.708900][ T2286]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  118.709040][ T2286]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  118.709178][ T2286]  ? copy_msghdr_from_user (net/socket.c:2635)
[  118.709314][ T2286]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  118.709540][ T2286]  ? move_addr_to_kernel (net/socket.c:258)
[  118.709680][ T2286]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  118.709821][ T2286]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  118.709961][ T2286]  ___sys_sendmsg (net/socket.c:2752)
[  118.710097][ T2286]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  118.710267][ T2286]  ? copy_msghdr_from_user (net/socket.c:2603)
[  118.710469][ T2286]  __sys_sendmsg (net/socket.c:2784)
[  118.710608][ T2286]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  118.710744][ T2286]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  118.710921][ T2286]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  118.711057][ T2286]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  118.711195][ T2286]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  118.711332][ T2286]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  118.711482][ T2286]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  118.711620][ T2286]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  118.711796][ T2286] RIP: 0033:0x7f913585d08e
[  118.711942][ T2286] 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
[  118.712439][ T2286] RSP: 002b:00007fff8cd89940 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  118.712644][ T2286] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f913585d08e
[  118.712853][ T2286] RDX: 0000000000000000 RSI: 00007fff8cd899f0 RDI: 0000000000000005
[  118.713056][ T2286] RBP: 00007fff8cd89950 R08: 0000000000000000 R09: 0000000000000000
[  118.713261][ T2286] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e850
[  118.713471][ T2286] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff8cd8a0b0
| [  119.736241][  T164] ------------[ cut here ]------------
| [  119.736504][  T164] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: devlink_trap.sh/164
| [  119.736816][  T164] Modules linked in: netdevsim
| [  119.737338][  T164] Tainted: [W]=WARN
[  119.737515][  T164] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  119.737703][  T164] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  119.737902][  T164] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  119.738431][  T164] RSP: 0018:ffa00000008177c8 EFLAGS: 00010286
[  119.738620][  T164] RAX: 00000000ffffffa6 RBX: ff11000005514940 RCX: 1ff4000000102ebf
[  119.738846][  T164] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000055149f0
[  119.739069][  T164] RBP: ff1100000c522000 R08: 1fe2200000aa293f R09: ff1100000c3aaf20
[  119.739295][  T164] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[  119.739524][  T164] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000008178b8
[  119.739746][  T164] FS:  00007fd927d35b80(0000) GS:ff1100007b105000(0000) knlGS:0000000000000000
[  119.740010][  T164] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  119.740200][  T164] CR2: 000055924f5b1118 CR3: 00000000096a3001 CR4: 0000000000771ef0
[  119.740483][  T164] PKRU: 55555554
[  119.740596][  T164] Call Trace:
[  119.740707][  T164]  <TASK>
[  119.740790][  T164]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  119.740945][  T164]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  119.741059][  T164]  netif_close_many (net/core/dev.c:1804)
[  119.741212][  T164]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  119.741362][  T164]  ? __dev_close_many (net/core/dev.c:1781)
[  119.741518][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  119.741667][  T164]  netif_close_many_and_unlock (net/core/dev.c:12330)
[  119.741822][  T164]  ? unregister_netdevice_many_notify (./include/linux/netdevice.h:2830 net/core/dev.c:12396)
[  119.742076][  T164]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[  119.742269][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  119.742426][  T164]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  119.742578][  T164]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  119.742725][  T164]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  119.742877][  T164]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  119.743060][  T164]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[  119.743209][  T164]  ? netdev_run_todo (net/core/dev.c:11703)
[  119.743355][  T164]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  119.743507][  T164]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  119.743655][  T164]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[  119.743803][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  119.743950][  T164]  ? unregister_netdevice_many (net/core/dev.c:12497)
[  119.744099][  T164] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[  119.744254][  T164]  ? kstrtouint (lib/kstrtox.c:233)
[  119.744404][  T164] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[  119.744637][  T164] nsim_drv_port_del (drivers/net/netdevsim/dev.c:1856) netdevsim
[  119.744825][  T164] del_port_store (drivers/net/netdevsim/bus.c:118) netdevsim
[  119.744973][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) fs/sysfs/file.c:24 (discriminator 2))
[  119.745121][  T164]  ? del_device_store (./include/linux/list.h:127 (discriminator 2)) netdevsim
[  119.745307][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[  119.745459][  T164]  ? sysfs_kf_write (fs/sysfs/file.c:137)
[  119.745608][  T164]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[  119.745759][  T164]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[  119.745905][  T164]  ? kernfs_ops (fs/kernfs/file.c:128)
[  119.746015][  T164]  new_sync_write (fs/read_write.c:595)
[  119.746165][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  119.746312][  T164]  ? new_sync_read (./include/linux/ioprio.h:41)
[  119.746465][  T164]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  119.746611][  T164]  ? ksys_write (fs/read_write.c:740)
[  119.746767][  T164]  vfs_write (fs/read_write.c:688)
[  119.746881][  T164]  ksys_write (fs/read_write.c:740)
[  119.746992][  T164]  ? __ia32_sys_read (fs/read_write.c:724)
[  119.747137][  T164]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  119.747284][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  119.747437][  T164]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  119.747583][  T164]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  119.747732][  T164]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  119.747889][  T164]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  119.748072][  T164] RIP: 0033:0x7fd927da708e
[  119.748228][  T164] 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
[  119.748760][  T164] RSP: 002b:00007ffca3d72790 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[  119.748983][  T164] RAX: ffffffffffffffda RBX: 00007fd927f29580 RCX: 00007fd927da708e
[  119.749202][  T164] RDX: 0000000000000002 RSI: 000055924f5f4040 RDI: 0000000000000001
[  119.749424][  T164] RBP: 00007ffca3d727a0 R08: 0000000000000000 R09: 0000000000000000
[  119.749643][  T164] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002
[  119.749870][  T164] R13: 0000000000000002 R14: 000055924f5f4040 R15: 0000000000000000
| [  119.755170][  T164] ------------[ cut here ]------------
| [  119.755352][  T164] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: devlink_trap.sh/164
| [  119.756226][  T164] Modules linked in: netdevsim
| [  119.756777][  T164] Tainted: [W]=WARN
[  119.756887][  T164] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  119.757063][  T164] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  119.757247][  T164] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  119.757810][  T164] RSP: 0018:ffa0000000817948 EFLAGS: 00010286
[  119.757986][  T164] RAX: 00000000ffffffa6 RBX: ff110000095e27c0 RCX: 1ff4000000102eef
[  119.758194][  T164] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000095e2870
[  119.758400][  T164] RBP: ff1100000c522000 R08: 1fe22000012bc50f R09: ff1100000c3aaef8
[  119.758670][  T164] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[  119.758893][  T164] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  119.759101][  T164] FS:  00007fd927d35b80(0000) GS:ff1100007b105000(0000) knlGS:0000000000000000
[  119.759343][  T164] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  119.759574][  T164] CR2: 000055924f5b1118 CR3: 00000000096a3001 CR4: 0000000000771ef0
[  119.759789][  T164] PKRU: 55555554
[  119.759894][  T164] Call Trace:
[  119.759997][  T164]  <TASK>
[  119.760069][  T164]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  119.760245][  T164]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  119.760474][  T164]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[  119.760613][  T164]  ? netdev_run_todo (net/core/dev.c:11703)
[  119.760751][  T164]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  119.760894][  T164]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  119.761036][  T164]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[  119.761174][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  119.761311][  T164]  ? unregister_netdevice_many (net/core/dev.c:12497)
[  119.761510][  T164] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[  119.761654][  T164]  ? kstrtouint (lib/kstrtox.c:233)
[  119.761800][  T164] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[  119.761978][  T164] nsim_drv_port_del (drivers/net/netdevsim/dev.c:1856) netdevsim
[  119.762208][  T164] del_port_store (drivers/net/netdevsim/bus.c:118) netdevsim
[  119.762347][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) fs/sysfs/file.c:24 (discriminator 2))
[  119.762545][  T164]  ? del_device_store (./include/linux/list.h:127 (discriminator 2)) netdevsim
[  119.762717][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[  119.762857][  T164]  ? sysfs_kf_write (fs/sysfs/file.c:137)
[  119.762995][  T164]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[  119.763132][  T164]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[  119.763272][  T164]  ? kernfs_ops (fs/kernfs/file.c:128)
[  119.763377][  T164]  new_sync_write (fs/read_write.c:595)
[  119.763575][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  119.763712][  T164]  ? new_sync_read (./include/linux/ioprio.h:41)
[  119.763855][  T164]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  119.763992][  T164]  ? ksys_write (fs/read_write.c:740)
[  119.764133][  T164]  vfs_write (fs/read_write.c:688)
[  119.764241][  T164]  ksys_write (fs/read_write.c:740)
[  119.764347][  T164]  ? __ia32_sys_read (fs/read_write.c:724)
[  119.764542][  T164]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  119.764679][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  119.764822][  T164]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  119.764959][  T164]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  119.765096][  T164]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  119.765236][  T164]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  119.765469][  T164] RIP: 0033:0x7fd927da708e
[  119.765613][  T164] 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
[  119.766108][  T164] RSP: 002b:00007ffca3d72790 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[  119.766314][  T164] RAX: ffffffffffffffda RBX: 00007fd927f29580 RCX: 00007fd927da708e
[  119.766578][  T164] RDX: 0000000000000002 RSI: 000055924f5f4040 RDI: 0000000000000001
[  119.766786][  T164] RBP: 00007ffca3d727a0 R08: 0000000000000000 R09: 0000000000000000
[  119.766991][  T164] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002
[  119.767196][  T164] R13: 0000000000000002 R14: 000055924f5f4040 R15: 0000000000000000
| [  119.835826][  T164] ------------[ cut here ]------------
| [  119.836244][  T164] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: devlink_trap.sh/164
| [  119.836770][  T164] Modules linked in: netdevsim
| [  119.837398][  T164] Tainted: [W]=WARN
[  119.837566][  T164] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  119.837807][  T164] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  119.838054][  T164] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  119.838635][  T164] RSP: 0018:ffa0000000817858 EFLAGS: 00010286
[  119.838954][  T164] RAX: 00000000ffffffa6 RBX: ff1100000b009240 RCX: 1ff4000000102ed1
[  119.839233][  T164] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b0092f0
[  119.839507][  T164] RBP: ff1100000e7a2000 R08: 1fe220000160125f R09: ff1100000c3aaef8
[  119.839840][  T164] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  119.840099][  T164] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e7a2000
[  119.840396][  T164] FS:  00007fd927d35b80(0000) GS:ff1100007b085000(0000) knlGS:0000000000000000
[  119.840711][  T164] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  119.840947][  T164] CR2: 00007fe9b3ff2000 CR3: 00000000096a3004 CR4: 0000000000771ef0
[  119.841216][  T164] PKRU: 55555554
[  119.841370][  T164] Call Trace:
[  119.841538][  T164]  <TASK>
[  119.841660][  T164]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  119.841862][  T164]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  119.842019][  T164]  register_netdevice (net/core/dev.c:11488)
[  119.842211][  T164]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[  119.842447][  T164]  ? __debugfs_create_file (fs/debugfs/inode.c:412 fs/debugfs/inode.c:452)
[  119.842656][  T164] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[  119.842939][  T164] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[  119.843133][  T164] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[  119.843359][  T164]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[  119.843601][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  119.843803][  T164]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[  119.844001][  T164] nsim_drv_port_add (drivers/net/netdevsim/dev.c:1839) netdevsim
[  119.844230][  T164] new_port_store (drivers/net/netdevsim/bus.c:96 (discriminator 3)) netdevsim
[  119.844440][  T164]  ? del_port_store (drivers/net/netdevsim/bus.c:120) netdevsim
[  119.844686][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[  119.844889][  T164]  ? sysfs_kf_write (fs/sysfs/file.c:137)
[  119.845079][  T164]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[  119.845269][  T164]  ? kernfs_ops (fs/kernfs/file.c:128)
[  119.845436][  T164]  new_sync_write (fs/read_write.c:595)
[  119.845628][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  119.845828][  T164]  ? new_sync_read (./include/linux/ioprio.h:41)
[  119.846046][  T164]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  119.846239][  T164]  ? ksys_write (fs/read_write.c:740)
[  119.846447][  T164]  vfs_write (fs/read_write.c:688)
[  119.846605][  T164]  ksys_write (fs/read_write.c:740)
[  119.846788][  T164]  ? __ia32_sys_read (fs/read_write.c:724)
[  119.847003][  T164]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  119.847204][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  119.847405][  T164]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  119.847615][  T164]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  119.847925][  T164]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  119.848117][  T164]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  119.848356][  T164] RIP: 0033:0x7fd927da708e
[  119.848566][  T164] 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
[  119.849230][  T164] RSP: 002b:00007ffca3d72690 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[  119.849607][  T164] RAX: ffffffffffffffda RBX: 00007fd927f29580 RCX: 00007fd927da708e
[  119.849892][  T164] RDX: 0000000000000002 RSI: 000055924f5f4040 RDI: 0000000000000001
[  119.850156][  T164] RBP: 00007ffca3d726a0 R08: 0000000000000000 R09: 0000000000000000
[  119.850531][  T164] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002
[  119.850819][  T164] R13: 0000000000000002 R14: 000055924f5f4040 R15: 0000000000000000
| [  119.971006][ T2292] ------------[ cut here ]------------
| [  119.971185][ T2292] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/2292
| [  119.971460][ T2292] Modules linked in: netdevsim
| [  119.971957][ T2292] Tainted: [W]=WARN
[  119.972059][ T2292] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  119.972225][ T2292] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  119.972397][ T2292] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  119.972875][ T2292] RSP: 0018:ffa0000003517020 EFLAGS: 00010286
[  119.973043][ T2292] RAX: 00000000ffffffa6 RBX: ff1100000b008040 RCX: 1ff40000006a2dca
[  119.973240][ T2292] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b0080f0
[  119.973443][ T2292] RBP: ff1100000e7a2000 R08: 1fe220000160101f R09: ff1100000c17d180
[  119.973653][ T2292] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[  119.973862][ T2292] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[  119.974074][ T2292] FS:  00007f4cf0b76840(0000) GS:ff1100007af85000(0000) knlGS:0000000000000000
[  119.974316][ T2292] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  119.974491][ T2292] CR2: 0000000040417988 CR3: 000000000a343004 CR4: 0000000000771ef0
[  119.974690][ T2292] PKRU: 55555554
[  119.974795][ T2292] Call Trace:
[  119.974897][ T2292]  <TASK>
[  119.974966][ T2292]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  119.975103][ T2292]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  119.975205][ T2292]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  119.975337][ T2292]  __dev_notify_flags (net/core/dev.c:9787)
[  119.975477][ T2292]  ? netif_change_name (net/core/dev.c:1495)
[  119.975612][ T2292]  ? __dev_change_flags (net/core/dev.c:9752)
[  119.975752][ T2292]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[  119.975895][ T2292]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  119.976032][ T2292]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[  119.976173][ T2292]  netif_change_flags (net/core/dev.c:9820)
[  119.976311][ T2292]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[  119.976458][ T2292]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  119.976591][ T2292]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  119.976762][ T2292]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  119.976895][ T2292]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  119.977028][ T2292]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  119.977162][ T2292]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  119.977296][ T2292]  ? __kernel_text_address (kernel/extable.c:79)
[  119.977436][ T2292]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  119.977571][ T2292]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  119.977704][ T2292]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  119.977842][ T2292]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  119.977975][ T2292]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  119.978108][ T2292]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  119.978242][ T2292]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  119.978376][ T2292]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  119.978514][ T2292]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  119.978649][ T2292]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  119.978797][ T2292]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  119.978942][ T2292]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  119.979079][ T2292]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  119.979217][ T2292]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  119.979353][ T2292]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  119.979492][ T2292]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  119.979626][ T2292]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  119.979763][ T2292]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  119.979895][ T2292]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  119.980030][ T2292]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  119.980162][ T2292]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  119.980295][ T2292]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  119.980434][ T2292]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  119.980567][ T2292]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  119.980711][ T2292]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  119.980856][ T2292]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  119.980992][ T2292]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  119.981124][ T2292]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  119.981274][ T2292]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  119.981415][ T2292]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  119.981550][ T2292]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  119.981684][ T2292]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  119.981822][ T2292]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  119.981956][ T2292]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  119.982088][ T2292]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  119.982227][ T2292]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  119.982361][ T2292]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  119.982500][ T2292]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  119.982635][ T2292]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  119.982773][ T2292]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  119.982906][ T2292]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  119.983041][ T2292]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  119.983174][ T2292]  ? copy_msghdr_from_user (net/socket.c:2635)
[  119.983308][ T2292]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  119.983478][ T2292]  ? move_addr_to_kernel (net/socket.c:258)
[  119.983614][ T2292]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  119.983747][ T2292]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  119.983886][ T2292]  ___sys_sendmsg (net/socket.c:2752)
[  119.984018][ T2292]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  119.984184][ T2292]  ? copy_msghdr_from_user (net/socket.c:2603)
[  119.984330][ T2292]  __sys_sendmsg (net/socket.c:2784)
[  119.984480][ T2292]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  119.984616][ T2292]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  119.984792][ T2292]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  119.984925][ T2292]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  119.985058][ T2292]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  119.985192][ T2292]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  119.985327][ T2292]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  119.985466][ T2292]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  119.985630][ T2292] RIP: 0033:0x7f4cf0db008e
[  119.985772][ T2292] 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
[  119.986250][ T2292] RSP: 002b:00007ffc3714a7b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  119.986466][ T2292] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f4cf0db008e
[  119.986669][ T2292] RDX: 0000000000000000 RSI: 00007ffc3714a860 RDI: 0000000000000005
[  119.986871][ T2292] RBP: 00007ffc3714a7c0 R08: 0000000000000000 R09: 0000000000000000
[  119.987076][ T2292] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e851
[  119.987283][ T2292] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc3714af20
| [  121.004539][  T164] ------------[ cut here ]------------
| [  121.004908][  T164] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: devlink_trap.sh/164
| [  121.005263][  T164] Modules linked in: netdevsim
| [  121.005899][  T164] Tainted: [W]=WARN
[  121.006060][  T164] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  121.006289][  T164] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  121.006603][  T164] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  121.007167][  T164] RSP: 0018:ffa00000008177c8 EFLAGS: 00010286
[  121.007403][  T164] RAX: 00000000ffffffa6 RBX: ff1100000b009840 RCX: 1ff4000000102ebf
[  121.007732][  T164] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b0098f0
[  121.008003][  T164] RBP: ff1100000e7a2000 R08: 1fe220000160131f R09: ff1100000c3aaf20
[  121.008267][  T164] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[  121.008661][  T164] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000008178b8
[  121.009030][  T164] FS:  00007fd927d35b80(0000) GS:ff1100007b085000(0000) knlGS:0000000000000000
[  121.009445][  T164] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  121.009906][  T164] CR2: 000055924f5f4040 CR3: 00000000096a3004 CR4: 0000000000771ef0
[  121.010294][  T164] PKRU: 55555554
[  121.010582][  T164] Call Trace:
[  121.010872][  T164]  <TASK>
[  121.011089][  T164]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  121.011281][  T164]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  121.011455][  T164]  netif_close_many (net/core/dev.c:1804)
[  121.011649][  T164]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  121.011853][  T164]  ? __dev_close_many (net/core/dev.c:1781)
[  121.012043][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  121.012240][  T164]  netif_close_many_and_unlock (net/core/dev.c:12330)
[  121.012450][  T164]  ? unregister_netdevice_many_notify (./include/linux/netdevice.h:2830 net/core/dev.c:12396)
[  121.012674][  T164]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[  121.012906][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  121.013100][  T164]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  121.013292][  T164]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  121.013496][  T164]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  121.013694][  T164]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  121.013927][  T164]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[  121.014121][  T164]  ? netdev_run_todo (net/core/dev.c:11703)
[  121.014323][  T164]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  121.014528][  T164]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  121.014724][  T164]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[  121.014924][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  121.015117][  T164]  ? unregister_netdevice_many (net/core/dev.c:12497)
[  121.015319][  T164] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[  121.015530][  T164]  ? kstrtouint (lib/kstrtox.c:233)
[  121.015725][  T164] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[  121.015964][  T164] nsim_drv_port_del (drivers/net/netdevsim/dev.c:1856) netdevsim
[  121.016195][  T164] del_port_store (drivers/net/netdevsim/bus.c:118) netdevsim
[  121.016390][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) fs/sysfs/file.c:24 (discriminator 2))
[  121.016598][  T164]  ? del_device_store (./include/linux/list.h:127 (discriminator 2)) netdevsim
[  121.016838][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[  121.017029][  T164]  ? sysfs_kf_write (fs/sysfs/file.c:137)
[  121.017221][  T164]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[  121.017425][  T164]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[  121.017619][  T164]  ? kernfs_ops (fs/kernfs/file.c:128)
[  121.017782][  T164]  new_sync_write (fs/read_write.c:595)
[  121.017978][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  121.018175][  T164]  ? new_sync_read (./include/linux/ioprio.h:41)
[  121.018369][  T164]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  121.018573][  T164]  ? ksys_write (fs/read_write.c:740)
[  121.018778][  T164]  vfs_write (fs/read_write.c:688)
[  121.018940][  T164]  ksys_write (fs/read_write.c:740)
[  121.019098][  T164]  ? __ia32_sys_read (fs/read_write.c:724)
[  121.019289][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  121.019503][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  121.019707][  T164]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  121.019909][  T164]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  121.020101][  T164]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  121.020296][  T164]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  121.020537][  T164] RIP: 0033:0x7fd927da708e
[  121.020754][  T164] 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
[  121.021328][  T164] RSP: 002b:00007ffca3d72790 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[  121.021611][  T164] RAX: ffffffffffffffda RBX: 00007fd927f29580 RCX: 00007fd927da708e
[  121.021882][  T164] RDX: 0000000000000002 RSI: 000055924f5f4040 RDI: 0000000000000001
[  121.022146][  T164] RBP: 00007ffca3d727a0 R08: 0000000000000000 R09: 0000000000000000
[  121.022425][  T164] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002
[  121.022687][  T164] R13: 0000000000000002 R14: 000055924f5f4040 R15: 0000000000000000
| [  121.034935][  T164] ------------[ cut here ]------------
| [  121.035121][  T164] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: devlink_trap.sh/164
| [  121.035394][  T164] Modules linked in: netdevsim
| [  121.035897][  T164] Tainted: [W]=WARN
[  121.036002][  T164] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  121.036173][  T164] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  121.036404][  T164] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  121.036947][  T164] RSP: 0018:ffa0000000817948 EFLAGS: 00010286
[  121.037121][  T164] RAX: 00000000ffffffa6 RBX: ff11000009273cc0 RCX: 1ff4000000102eef
[  121.037327][  T164] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009273d70
[  121.037538][  T164] RBP: ff1100000e7a2000 R08: 1fe220000124e7af R09: ff1100000c3aaef8
[  121.037744][  T164] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[  121.037955][  T164] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  121.038160][  T164] FS:  00007fd927d35b80(0000) GS:ff1100007af85000(0000) knlGS:0000000000000000
[  121.038402][  T164] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  121.038581][  T164] CR2: 0000000040417988 CR3: 00000000096a3006 CR4: 0000000000771ef0
[  121.038795][  T164] PKRU: 55555554
[  121.038899][  T164] Call Trace:
[  121.039003][  T164]  <TASK>
[  121.039076][  T164]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  121.039252][  T164]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  121.039424][  T164]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[  121.039562][  T164]  ? netdev_run_todo (net/core/dev.c:11703)
[  121.039701][  T164]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  121.039845][  T164]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  121.039985][  T164]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[  121.040122][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  121.040259][  T164]  ? unregister_netdevice_many (net/core/dev.c:12497)
[  121.040398][  T164] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[  121.040546][  T164]  ? kstrtouint (lib/kstrtox.c:233)
[  121.040685][  T164] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[  121.040866][  T164] nsim_drv_port_del (drivers/net/netdevsim/dev.c:1856) netdevsim
[  121.041038][  T164] del_port_store (drivers/net/netdevsim/bus.c:118) netdevsim
[  121.041175][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) fs/sysfs/file.c:24 (discriminator 2))
[  121.041314][  T164]  ? del_device_store (./include/linux/list.h:127 (discriminator 2)) netdevsim
[  121.041490][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[  121.041626][  T164]  ? sysfs_kf_write (fs/sysfs/file.c:137)
[  121.041768][  T164]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[  121.041905][  T164]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[  121.042044][  T164]  ? kernfs_ops (fs/kernfs/file.c:128)
[  121.042149][  T164]  new_sync_write (fs/read_write.c:595)
[  121.042291][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  121.042436][  T164]  ? new_sync_read (./include/linux/ioprio.h:41)
[  121.042573][  T164]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  121.042711][  T164]  ? ksys_write (fs/read_write.c:740)
[  121.042858][  T164]  vfs_write (fs/read_write.c:688)
[  121.042966][  T164]  ksys_write (fs/read_write.c:740)
[  121.043071][  T164]  ? __ia32_sys_read (fs/read_write.c:724)
[  121.043208][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  121.043345][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  121.043488][  T164]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  121.043625][  T164]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  121.043768][  T164]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  121.043907][  T164]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  121.044080][  T164] RIP: 0033:0x7fd927da708e
[  121.044223][  T164] 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
[  121.044713][  T164] RSP: 002b:00007ffca3d72790 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[  121.044924][  T164] RAX: ffffffffffffffda RBX: 00007fd927f29580 RCX: 00007fd927da708e
[  121.045130][  T164] RDX: 0000000000000002 RSI: 000055924f5f4040 RDI: 0000000000000001
[  121.045334][  T164] RBP: 00007ffca3d727a0 R08: 0000000000000000 R09: 0000000000000000
[  121.045545][  T164] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002
[  121.045750][  T164] R13: 0000000000000002 R14: 000055924f5f4040 R15: 0000000000000000
| [  121.098155][  T164] ------------[ cut here ]------------
| [  121.098488][  T164] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: devlink_trap.sh/164
| [  121.098841][  T164] Modules linked in: netdevsim
| [  121.099463][  T164] Tainted: [W]=WARN
[  121.099621][  T164] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  121.099862][  T164] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  121.100100][  T164] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  121.100706][  T164] RSP: 0018:ffa0000000817858 EFLAGS: 00010286
[  121.100952][  T164] RAX: 00000000ffffffa6 RBX: ff1100000a3fef40 RCX: 1ff4000000102ed1
[  121.101218][  T164] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000a3feff0
[  121.101491][  T164] RBP: ff1100000f57a000 R08: 1fe220000147fdff R09: ff1100000c3aaef8
[  121.101806][  T164] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  121.102066][  T164] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f57a000
[  121.102326][  T164] FS:  00007fd927d35b80(0000) GS:ff1100007b085000(0000) knlGS:0000000000000000
[  121.102640][  T164] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  121.102885][  T164] CR2: 000055924f5f4040 CR3: 00000000096a3004 CR4: 0000000000771ef0
[  121.103145][  T164] PKRU: 55555554
[  121.103298][  T164] Call Trace:
[  121.103461][  T164]  <TASK>
[  121.103583][  T164]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  121.103845][  T164]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  121.104004][  T164]  register_netdevice (net/core/dev.c:11488)
[  121.104197][  T164]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[  121.104433][  T164]  ? __debugfs_create_file (fs/debugfs/inode.c:412 fs/debugfs/inode.c:452)
[  121.104651][  T164] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[  121.104901][  T164] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[  121.105097][  T164] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[  121.105323][  T164]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[  121.105568][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  121.105771][  T164]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[  121.105987][  T164] nsim_drv_port_add (drivers/net/netdevsim/dev.c:1839) netdevsim
[  121.106216][  T164] new_port_store (drivers/net/netdevsim/bus.c:96 (discriminator 3)) netdevsim
[  121.106426][  T164]  ? del_port_store (drivers/net/netdevsim/bus.c:120) netdevsim
[  121.106688][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[  121.106890][  T164]  ? sysfs_kf_write (fs/sysfs/file.c:137)
[  121.107081][  T164]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[  121.107270][  T164]  ? kernfs_ops (fs/kernfs/file.c:128)
[  121.107438][  T164]  new_sync_write (fs/read_write.c:595)
[  121.107632][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  121.107831][  T164]  ? new_sync_read (./include/linux/ioprio.h:41)
[  121.108022][  T164]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  121.108226][  T164]  ? ksys_write (fs/read_write.c:740)
[  121.108443][  T164]  vfs_write (fs/read_write.c:688)
[  121.108600][  T164]  ksys_write (fs/read_write.c:740)
[  121.108764][  T164]  ? __ia32_sys_read (fs/read_write.c:724)
[  121.109060][  T164]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  121.109251][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  121.109454][  T164]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  121.109644][  T164]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  121.109861][  T164]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  121.110058][  T164]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  121.110286][  T164] RIP: 0033:0x7fd927da708e
[  121.110494][  T164] 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
[  121.111049][  T164] RSP: 002b:00007ffca3d72690 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[  121.111386][  T164] RAX: ffffffffffffffda RBX: 00007fd927f29580 RCX: 00007fd927da708e
[  121.111659][  T164] RDX: 0000000000000002 RSI: 000055924f5f4040 RDI: 0000000000000001
[  121.111924][  T164] RBP: 00007ffca3d726a0 R08: 0000000000000000 R09: 0000000000000000
[  121.112217][  T164] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002
[  121.112497][  T164] R13: 0000000000000002 R14: 000055924f5f4040 R15: 0000000000000000
| [  121.631810][  T164] ------------[ cut here ]------------
| [  121.632083][  T164] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: devlink_trap.sh/164
| [  121.632637][  T164] Modules linked in: netdevsim
| [  121.633232][  T164] Tainted: [W]=WARN
[  121.633386][  T164] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  121.633703][  T164] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  121.633973][  T164] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  121.634614][  T164] RSP: 0018:ffa0000000817948 EFLAGS: 00010286
[  121.634846][  T164] RAX: 00000000ffffffa6 RBX: ff1100000be2ef40 RCX: 1ff4000000102eef
[  121.635103][  T164] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000be2eff0
[  121.635366][  T164] RBP: ff1100000f57a000 R08: 1fe22000017c5dff R09: ff1100000c3aaef8
[  121.635635][  T164] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  121.635914][  T164] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  121.636191][  T164] FS:  00007fd927d35b80(0000) GS:ff1100007b085000(0000) knlGS:0000000000000000
[  121.636495][  T164] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  121.636718][  T164] CR2: 000055924f5f4040 CR3: 00000000096a3006 CR4: 0000000000771ef0
[  121.636985][  T164] PKRU: 55555554
[  121.637148][  T164] Call Trace:
[  121.637301][  T164]  <TASK>
[  121.637443][  T164]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  121.637670][  T164]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  121.637900][  T164]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[  121.638140][  T164]  ? netdev_run_todo (net/core/dev.c:11703)
[  121.638328][  T164]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  121.638561][  T164]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  121.638784][  T164]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[  121.638974][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  121.639161][  T164]  ? unregister_netdevice_many (net/core/dev.c:12497)
[  121.639348][  T164] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[  121.639551][  T164]  ? kstrtouint (lib/kstrtox.c:233)
[  121.639740][  T164] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[  121.639974][  T164] nsim_drv_port_del (drivers/net/netdevsim/dev.c:1856) netdevsim
[  121.640197][  T164] del_port_store (drivers/net/netdevsim/bus.c:118) netdevsim
[  121.640436][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) fs/sysfs/file.c:24 (discriminator 2))
[  121.640629][  T164]  ? del_device_store (./include/linux/list.h:127 (discriminator 2)) netdevsim
[  121.640858][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[  121.641044][  T164]  ? sysfs_kf_write (fs/sysfs/file.c:137)
[  121.641479][  T164]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[  121.641674][  T164]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[  121.641872][  T164]  ? kernfs_ops (fs/kernfs/file.c:128)
[  121.642054][  T164]  new_sync_write (fs/read_write.c:595)
[  121.642247][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  121.642447][  T164]  ? new_sync_read (./include/linux/ioprio.h:41)
[  121.642634][  T164]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  121.642827][  T164]  ? ksys_write (fs/read_write.c:740)
[  121.643018][  T164]  vfs_write (fs/read_write.c:688)
[  121.643175][  T164]  ksys_write (fs/read_write.c:740)
[  121.643332][  T164]  ? __ia32_sys_read (fs/read_write.c:724)
[  121.643546][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  121.643733][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  121.644012][  T164]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  121.644202][  T164]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  121.644388][  T164]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  121.644590][  T164]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  121.644816][  T164] RIP: 0033:0x7fd927da708e
[  121.645008][  T164] 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
[  121.645596][  T164] RSP: 002b:00007ffca3d74090 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[  121.645868][  T164] RAX: ffffffffffffffda RBX: 00007fd927f29580 RCX: 00007fd927da708e
[  121.646123][  T164] RDX: 0000000000000002 RSI: 000055924f5f4040 RDI: 0000000000000001
[  121.646394][  T164] RBP: 00007ffca3d740a0 R08: 0000000000000000 R09: 0000000000000000
[  121.646674][  T164] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002


Finger prints:
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:nsim_init_netdevsim:nsim_create
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:netif_close_many:netif_close_many_and_unlock:unregister_netdevice_many_notify