======================================
| [    9.651918][  T180] softirqs last disabled at (43460): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [    9.651921][  T180] Preemption disabled at:
| [    9.651921][  T180] vprintk_emit (kernel/printk/printk.c:2471)
| [    9.651930][  T180] Tainted: [W]=WARN
[    9.651931][  T180] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.651932][  T180] Call Trace:
[    9.651934][  T180]  <TASK>
[    9.651935][  T180]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    9.651941][  T180]  ? vprintk_emit (kernel/printk/printk.c:2471)
[    9.651943][  T180]  __might_resched.cold (kernel/sched/core.c:9234)
[    9.651948][  T180]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[    9.651952][  T180]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[    9.651958][  T180]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[    9.651961][  T180]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.651967][  T180]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    9.651970][  T180]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.651973][  T180]  put_chars (drivers/char/virtio_console.c:1176)
[    9.651977][  T180]  ? __send_to_port (drivers/char/virtio_console.c:654)
[    9.651981][  T180]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[    9.651986][  T180]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[    9.651989][  T180]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.651995][  T180]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[    9.651998][  T180]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.652004][  T180]  console_emit_next_record (kernel/printk/printk.c:3183)
[    9.652008][  T180]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    9.652013][  T180]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.652014][  T180]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.652019][  T180]  console_flush_one_record (kernel/printk/printk.c:3268)
[    9.652023][  T180]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    9.652025][  T180]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.652031][  T180]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    9.652034][  T180]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    9.652036][  T180]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.652037][  T180]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[    9.652041][  T180]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    9.652043][  T180]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    9.652046][  T180]  vprintk_emit (kernel/printk/printk.c:2479)
[    9.652049][  T180]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    9.652051][  T180]  ? write_profile (profile.c:?)
[    9.652054][  T180]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[    9.652060][  T180]  dev_vprintk_emit (drivers/base/core.c:5000)
[    9.652066][  T180]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[    9.652070][  T180]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[    9.652076][  T180]  dev_printk_emit (drivers/base/core.c:5011)
[    9.652079][  T180]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[    9.652083][  T180]  ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3))
[    9.652088][  T180]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[    9.652094][  T180]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[    9.652097][  T180]  ? netdev_notice (net/core/dev.c:13194)
[    9.652099][  T180]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    9.652103][  T180]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.652105][  T180]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[    9.652109][  T180]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[    9.652112][  T180]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[    9.652115][  T180]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.652117][  T180]  ? mark_lock_irq (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:4092 (discriminator 6) kernel/locking/lockdep.c:4174 (discriminator 6) kernel/locking/lockdep.c:4310 (discriminator 6))
[    9.652119][  T180]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[    9.652122][  T180]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[    9.652124][  T180]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    9.652127][  T180]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[    9.652133][  T180]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[    9.652136][  T180]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.652139][  T180]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[    9.652141][  T180]  ? mark_usage (kernel/locking/lockdep.c:4690)
[    9.652142][  T180]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    9.652145][  T180]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.652148][  T180]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    9.652152][  T180]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.652157][  T180]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    9.652159][  T180]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[    9.652162][  T180]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.652164][  T180]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.652166][  T180]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.652167][  T180]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.652169][  T180]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[    9.652171][  T180]  ? __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:821)
[    9.652175][  T180]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[    9.652177][  T180]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.652179][  T180]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[    9.652182][  T180]  ? mark_usage (kernel/locking/lockdep.c:4690)
[    9.652185][  T180]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[    9.652187][  T180]  ? nla_get_range_signed (lib/nlattr.c:270)
[    9.652193][  T180]  ? mark_usage (kernel/locking/lockdep.c:4690)
[    9.652197][  T180]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[    9.652204][  T180]  rtnl_setlink (net/core/rtnetlink.c:3596)
[    9.652208][  T180]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[    9.652210][  T180]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.652234][  T180]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    9.652236][  T180]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    9.652239][  T180]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.652241][  T180]  ? mark_usage (kernel/locking/lockdep.c:4690)
[    9.652243][  T180]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.652248][  T180]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    9.652250][  T180]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    9.652252][  T180]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[    9.652254][  T180]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.652258][  T180]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[    9.652261][  T180]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[    9.652264][  T180]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.652268][  T180]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.652273][  T180]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    9.652275][  T180]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    9.652278][  T180]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[    9.652282][  T180]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.652285][  T180]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.652292][  T180]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.652294][  T180]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.652299][  T180]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.652303][  T180]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.652306][  T180]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.652311][  T180]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[    9.652315][  T180]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[    9.652319][  T180]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[    9.652323][  T180]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[    9.652327][  T180]  __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4))
[    9.652330][  T180]  ? __ia32_sys_getpeername (net/socket.c:2235)
[    9.652341][  T180]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[    9.652346][  T180]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[    9.652348][  T180]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    9.652351][  T180]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[    9.652353][  T180]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[    9.652355][  T180]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    9.652357][  T180]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    9.652359][  T180]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.652362][  T180] RIP: 0033:0x7f99778d754e
[    9.652365][  T180] Code: 4d 89 d8 e8 b4 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 b4 bd 00 00       	call   0xbdbc
   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
[    9.652367][  T180] RSP: 002b:00007ffc894ed430 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[    9.652370][  T180] RAX: ffffffffffffffda RBX: 000055cf2af15040 RCX: 00007f99778d754e
[    9.652371][  T180] RDX: 0000000000000030 RSI: 000055cf2ad9e380 RDI: 0000000000000014
[    9.652372][  T180] RBP: 00007ffc894ed440 R08: 00007ffc894ed490 R09: 0000000000000080
[    9.652372][  T180] R10: 0000000000000000 R11: 0000000000000202 R12: 000055cf2aef9930
[    9.652373][  T180] R13: 00007ffc894ed574 R14: 0000000000000000 R15: 0000000000000000
| [   12.643397][  T292] softirqs last disabled at (30217): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   12.643400][  T292] Preemption disabled at:
| [   12.643400][  T292] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.643409][  T292] Tainted: [W]=WARN
[   12.643410][  T292] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.643412][  T292] Call Trace:
[   12.643413][  T292]  <TASK>
[   12.643414][  T292]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.643421][  T292]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.643422][  T292]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.643427][  T292]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.643431][  T292]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.643437][  T292]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   12.643439][  T292]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.643446][  T292]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.643449][  T292]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.643452][  T292]  put_chars (drivers/char/virtio_console.c:1176)
[   12.643455][  T292]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.643459][  T292]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.643462][  T292]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.643465][  T292]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.643469][  T292]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.643472][  T292]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.643474][  T292]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.643481][  T292]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.643485][  T292]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.643487][  T292]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   12.643490][  T292]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.643492][  T292]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.643496][  T292]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.643500][  T292]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.643505][  T292]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.643506][  T292]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.643510][  T292]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.643515][  T292]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.643516][  T292]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.643521][  T292]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.643524][  T292]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.643526][  T292]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.643528][  T292]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.643532][  T292]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.643533][  T292]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.643536][  T292]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.643539][  T292]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.643544][  T292]  ? vlan_netlink_fini (./include/linux/rcupdate.h:850 (discriminator 7) ./include/net/netns/generic.h:45 (discriminator 7)) 8021q
[   12.643547][  T292]  _printk (kernel/printk/printk.c:2504)
[   12.643551][  T292]  ? snapshot_read.cold (user.c:?)
[   12.643557][  T292]  ? do_one_initcall (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/initcall.h:27 init/main.c:1356)
[   12.643560][  T292] vlan_proto_init (./include/linux/rcupdate.h:309 (discriminator 2) ./include/linux/rcupdate.h:849 (discriminator 2) ./include/net/netns/generic.h:45 (discriminator 2)) 8021q
[   12.643563][  T292]  do_one_initcall (init/main.c:1357)
[   12.643566][  T292]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   12.643570][  T292]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   12.643573][  T292]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   12.643578][  T292]  do_init_module (kernel/module/main.c:3117)
[   12.643581][  T292]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   12.643584][  T292]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   12.643587][  T292]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   12.643591][  T292]  load_module (kernel/module/main.c:3593)
[   12.643598][  T292]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   12.643601][  T292]  ? __ia32_sys_fsconfig (??:?)
[   12.643604][  T292]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.643607][  T292]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.643610][  T292]  init_module_from_file (kernel/module/main.c:3790)
[   12.643613][  T292]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   12.643620][  T292]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   12.643623][  T292]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.643626][  T292]  idempotent_init_module (kernel/module/main.c:3802)
[   12.643629][  T292]  ? init_module_from_file (kernel/module/main.c:3791)
[   12.643635][  T292]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.643636][  T292]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   12.643642][  T292]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   12.643643][  T292]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.643647][  T292]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.643650][  T292]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.643652][  T292]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.643655][  T292] RIP: 0033:0x7fd2797da37d
[   12.643658][  T292] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48
All code
========
   0:	ff c3                	inc    %ebx
   2:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   9:	00 00 00 
   c:	90                   	nop
   d:	f3 0f 1e fa          	endbr64
  11:	48 89 f8             	mov    %rdi,%rax
  14:	48 89 f7             	mov    %rsi,%rdi
  17:	48 89 d6             	mov    %rdx,%rsi
  1a:	48 89 ca             	mov    %rcx,%rdx
  1d:	4d 89 c2             	mov    %r8,%r10
  20:	4d 89 c8             	mov    %r9,%r8
  23:	4c 8b 4c 24 08       	mov    0x8(%rsp),%r9
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa85
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa5b
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   12.643659][  T292] RSP: 002b:00007fffe66ecc58 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   12.643662][  T292] RAX: ffffffffffffffda RBX: 0000559e6ed81810 RCX: 00007fd2797da37d
[   12.643663][  T292] RDX: 0000000000000000 RSI: 0000559e3d78fffd RDI: 0000000000000000
[   12.643664][  T292] RBP: 00007fffe66eccf0 R08: 0000000000000000 R09: 0000000000000000
[   12.643665][  T292] R10: 0000000000000000 R11: 0000000000000246 R12: 0000559e3d78fffd
[   12.643666][  T292] R13: 0000559e6ed81940 R14: 0000000000040000 R15: 0000000000000000
| [   14.109424][  T325] softirqs last disabled at (20502): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   14.109427][  T325] Preemption disabled at:
| [   14.109427][  T325] vprintk_emit (kernel/printk/printk.c:2471)
| [   14.109436][  T325] Tainted: [W]=WARN
[   14.109437][  T325] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.109439][  T325] Call Trace:
[   14.109440][  T325]  <TASK>
[   14.109442][  T325]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   14.109448][  T325]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   14.109450][  T325]  __might_resched.cold (kernel/sched/core.c:9234)
[   14.109455][  T325]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   14.109459][  T325]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   14.109465][  T325]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   14.109467][  T325]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.109473][  T325]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   14.109476][  T325]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.109480][  T325]  put_chars (drivers/char/virtio_console.c:1176)
[   14.109483][  T325]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   14.109491][  T325]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.109495][  T325]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.109498][  T325]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.109502][  T325]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   14.109505][  T325]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   14.109507][  T325]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.109509][  T325]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.109513][  T325]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   14.109515][  T325]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.109520][  T325]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.109524][  T325]  console_emit_next_record (kernel/printk/printk.c:3183)
[   14.109528][  T325]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   14.109532][  T325]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.109534][  T325]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.109538][  T325]  console_flush_one_record (kernel/printk/printk.c:3268)
[   14.109543][  T325]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   14.109545][  T325]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.109550][  T325]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   14.109553][  T325]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   14.109555][  T325]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.109557][  T325]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   14.109561][  T325]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   14.109563][  T325]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   14.109565][  T325]  vprintk_emit (kernel/printk/printk.c:2479)
[   14.109569][  T325]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   14.109571][  T325]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   14.109576][  T325]  _printk (kernel/printk/printk.c:2504)
[   14.109579][  T325]  ? snapshot_read.cold (user.c:?)
[   14.109583][  T325]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.109585][  T325]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.109589][  T325]  ? notifier_call_chain (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/notifier.h:59 kernel/notifier.c:84)
[   14.109592][  T325] vlan_device_event.cold (net/8021q/vlan.c:347 (discriminator 1) net/8021q/vlan.c:388 (discriminator 1)) 8021q
[   14.109598][  T325]  ? packet_notifier (./include/linux/rcupdate.h:882 net/packet/af_packet.c:4261)
[   14.109601][  T325]  ? rt6_sync_up (net/ipv6/route.c:4925 (discriminator 1))
[   14.109605][  T325]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110) 8021q
[   14.109610][  T325]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.109612][  T325]  notifier_call_chain (kernel/notifier.c:85)
[   14.109617][  T325]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9853)
[   14.109622][  T325]  ? netif_change_name (net/core/dev.c:1517)
[   14.109625][  T325]  ? __dev_change_flags (net/core/dev.c:9812)
[   14.109627][  T325]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   14.109629][  T325]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   14.109633][  T325]  ? __kernel_text_address (kernel/extable.c:79)
[   14.109635][  T325]  ? write_profile (profile.c:?)
[   14.109639][  T325]  netif_change_flags (net/core/dev.c:9882)
[   14.109643][  T325]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   14.109647][  T325]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   14.109649][  T325]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   14.109651][  T325]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.109653][  T325]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.109657][  T325]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.109659][  T325]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.109661][  T325]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.109664][  T325]  ? kasan_save_stack (mm/kasan/common.c:58)
[   14.109667][  T325]  ? kasan_save_stack (mm/kasan/common.c:57)
[   14.109669][  T325]  ? kasan_save_track (mm/kasan/common.c:78)
[   14.109672][  T325]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.109674][  T325]  ? netlink_bind (net/netlink/af_netlink.c:984)
[   14.109678][  T325]  ? ___sys_sendmsg (net/socket.c:2758 (discriminator 1))
[   14.109682][  T325]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.109684][  T325]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.109687][  T325]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.109689][  T325]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.109690][  T325]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.109692][  T325]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.109693][  T325]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   14.109696][  T325]  ? __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:821)
[   14.109700][  T325]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   14.109702][  T325]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.109706][  T325]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   14.109712][  T325]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   14.109718][  T325]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   14.109723][  T325]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.109726][  T325]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.109730][  T325]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.109732][  T325]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.109734][  T325]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.109737][  T325]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.109740][  T325]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.109743][  T325]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.109747][  T325]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.109748][  T325]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.109753][  T325]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.109755][  T325]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.109759][  T325]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   14.109761][  T325]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.109764][  T325]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.109771][  T325]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   14.109773][  T325]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   14.109781][  T325]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.109787][  T325]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.109790][  T325]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.109794][  T325]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   14.109798][  T325]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   14.109803][  T325]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   14.109809][  T325]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   14.109811][  T325]  ? copy_msghdr_from_user (net/socket.c:2650)
[   14.109813][  T325]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   14.109814][  T325]  ? move_addr_to_kernel (net/socket.c:258)
[   14.109821][  T325]  ___sys_sendmsg (net/socket.c:2767)
[   14.109824][  T325]  ? copy_msghdr_from_user (net/socket.c:2619)
[   14.109839][  T325]  __sys_sendmsg (net/socket.c:2799)
[   14.109842][  T325]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   14.109848][  T325]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.109851][  T325]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   14.109854][  T325]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   14.109857][  T325]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.109859][  T325] RIP: 0033:0x7f8b3a16754e
[   14.109863][  T325] Code: 4d 89 d8 e8 b4 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 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   14.109864][  T325] RSP: 002b:00007ffe856b7f10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.109867][  T325] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f8b3a16754e
[   14.109868][  T325] RDX: 0000000000000000 RSI: 00007ffe856b7fc0 RDI: 0000000000000003
[   14.109869][  T325] RBP: 00007ffe856b7f20 R08: 0000000000000000 R09: 0000000000000000
[   14.109870][  T325] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912b62
[   14.109871][  T325] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe856b8680
| [   15.144049][  T348] softirqs last disabled at (38058): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   15.144051][  T348] Preemption disabled at:
| [   15.144052][  T348] vprintk_emit (kernel/printk/printk.c:2471)
| [   15.144061][  T348] Tainted: [W]=WARN
[   15.144062][  T348] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.144064][  T348] Call Trace:
[   15.144065][  T348]  <TASK>
[   15.144067][  T348]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   15.144073][  T348]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   15.144075][  T348]  __might_resched.cold (kernel/sched/core.c:9234)
[   15.144079][  T348]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   15.144084][  T348]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   15.144090][  T348]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   15.144092][  T348]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.144099][  T348]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   15.144101][  T348]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.144105][  T348]  put_chars (drivers/char/virtio_console.c:1176)
[   15.144108][  T348]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   15.144111][  T348]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   15.144115][  T348]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.144118][  T348]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.144122][  T348]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   15.144125][  T348]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   15.144127][  T348]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.144129][  T348]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.144134][  T348]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   15.144135][  T348]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.144140][  T348]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.144144][  T348]  console_emit_next_record (kernel/printk/printk.c:3183)
[   15.144148][  T348]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   15.144153][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.144155][  T348]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.144159][  T348]  console_flush_one_record (kernel/printk/printk.c:3268)
[   15.144163][  T348]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   15.144165][  T348]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.144171][  T348]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   15.144174][  T348]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   15.144176][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.144178][  T348]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   15.144182][  T348]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   15.144183][  T348]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   15.144186][  T348]  vprintk_emit (kernel/printk/printk.c:2479)
[   15.144189][  T348]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   15.144192][  T348]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   15.144197][  T348]  _printk (kernel/printk/printk.c:2504)
[   15.144200][  T348]  ? snapshot_read.cold (user.c:?)
[   15.144203][  T348]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.144206][  T348]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.144209][  T348]  ? notifier_call_chain (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/notifier.h:59 kernel/notifier.c:84)
[   15.144213][  T348] vlan_device_event.cold (net/8021q/vlan.c:347 (discriminator 1) net/8021q/vlan.c:388 (discriminator 1)) 8021q
[   15.144219][  T348]  ? packet_notifier (./include/linux/rcupdate.h:882 net/packet/af_packet.c:4261)
[   15.144221][  T348]  ? rt6_sync_up (net/ipv6/route.c:4925 (discriminator 1))
[   15.144225][  T348]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110) 8021q
[   15.144231][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.144233][  T348]  notifier_call_chain (kernel/notifier.c:85)
[   15.144238][  T348]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9853)
[   15.144243][  T348]  ? netif_change_name (net/core/dev.c:1517)
[   15.144246][  T348]  ? __dev_change_flags (net/core/dev.c:9812)
[   15.144249][  T348]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   15.144251][  T348]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   15.144254][  T348]  ? __kernel_text_address (kernel/extable.c:79)
[   15.144256][  T348]  ? write_profile (profile.c:?)
[   15.144261][  T348]  netif_change_flags (net/core/dev.c:9882)
[   15.144267][  T348]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   15.144271][  T348]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   15.144274][  T348]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   15.144275][  T348]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   15.144278][  T348]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.144282][  T348]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   15.144284][  T348]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.144286][  T348]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.144289][  T348]  ? kasan_save_stack (mm/kasan/common.c:58)
[   15.144292][  T348]  ? kasan_save_stack (mm/kasan/common.c:57)
[   15.144294][  T348]  ? kasan_save_track (mm/kasan/common.c:78)
[   15.144297][  T348]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.144299][  T348]  ? netlink_bind (net/netlink/af_netlink.c:984)
[   15.144303][  T348]  ? ___sys_sendmsg (net/socket.c:2758 (discriminator 1))
[   15.144307][  T348]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.144309][  T348]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   15.144312][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.144314][  T348]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.144316][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.144317][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.144319][  T348]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   15.144321][  T348]  ? __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:821)
[   15.144325][  T348]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   15.144327][  T348]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   15.144331][  T348]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   15.144337][  T348]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   15.144343][  T348]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   15.144349][  T348]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.144351][  T348]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.144356][  T348]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.144358][  T348]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.144360][  T348]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.144363][  T348]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.144367][  T348]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.144369][  T348]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   15.144373][  T348]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.144375][  T348]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.144379][  T348]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.144381][  T348]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.144385][  T348]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   15.144387][  T348]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.144391][  T348]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.144397][  T348]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   15.144399][  T348]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   15.144404][  T348]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.144408][  T348]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.144412][  T348]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.144416][  T348]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   15.144420][  T348]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   15.144424][  T348]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   15.144430][  T348]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   15.144432][  T348]  ? copy_msghdr_from_user (net/socket.c:2650)
[   15.144434][  T348]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   15.144436][  T348]  ? move_addr_to_kernel (net/socket.c:258)
[   15.144443][  T348]  ___sys_sendmsg (net/socket.c:2767)
[   15.144446][  T348]  ? copy_msghdr_from_user (net/socket.c:2619)
[   15.144462][  T348]  __sys_sendmsg (net/socket.c:2799)
[   15.144464][  T348]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   15.144470][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.144474][  T348]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   15.144477][  T348]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   15.144480][  T348]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.144482][  T348] RIP: 0033:0x7f33dc44a54e
[   15.144485][  T348] Code: 4d 89 d8 e8 b4 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 b4 bd 00 00       	call   0xbdbc
   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
[   15.144487][  T348] RSP: 002b:00007ffe09686010 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.144497][  T348] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f33dc44a54e
[   15.144498][  T348] RDX: 0000000000000000 RSI: 00007ffe096860c0 RDI: 0000000000000003
[   15.144500][  T348] RBP: 00007ffe09686020 R08: 0000000000000000 R09: 0000000000000000
[   15.144500][  T348] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912b63
[   15.144501][  T348] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe09686780
| [   16.454748][  T377] softirqs last disabled at (16190): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   16.454750][  T377] Preemption disabled at:
| [   16.454751][  T377] vprintk_emit (kernel/printk/printk.c:2471)
| [   16.454759][  T377] Tainted: [W]=WARN
[   16.454760][  T377] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.454762][  T377] Call Trace:
[   16.454763][  T377]  <TASK>
[   16.454765][  T377]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   16.454771][  T377]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   16.454773][  T377]  __might_resched.cold (kernel/sched/core.c:9234)
[   16.454780][  T377]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   16.454786][  T377]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   16.454792][  T377]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   16.454795][  T377]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.454802][  T377]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   16.454805][  T377]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.454808][  T377]  put_chars (drivers/char/virtio_console.c:1176)
[   16.454811][  T377]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   16.454815][  T377]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   16.454818][  T377]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.454821][  T377]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.454825][  T377]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   16.454829][  T377]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   16.454831][  T377]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.454832][  T377]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.454837][  T377]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   16.454838][  T377]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.454843][  T377]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.454847][  T377]  console_emit_next_record (kernel/printk/printk.c:3183)
[   16.454851][  T377]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   16.454855][  T377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.454858][  T377]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.454862][  T377]  console_flush_one_record (kernel/printk/printk.c:3268)
[   16.454866][  T377]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   16.454868][  T377]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.454874][  T377]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   16.454877][  T377]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   16.454879][  T377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.454880][  T377]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   16.454884][  T377]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   16.454886][  T377]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   16.454889][  T377]  vprintk_emit (kernel/printk/printk.c:2479)
[   16.454892][  T377]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   16.454895][  T377]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   16.454899][  T377]  _printk (kernel/printk/printk.c:2504)
[   16.454903][  T377]  ? snapshot_read.cold (user.c:?)
[   16.454906][  T377]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.454908][  T377]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.454912][  T377]  ? notifier_call_chain (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/notifier.h:59 kernel/notifier.c:84)
[   16.454915][  T377] vlan_device_event.cold (net/8021q/vlan.c:347 (discriminator 1) net/8021q/vlan.c:388 (discriminator 1)) 8021q
[   16.454921][  T377]  ? packet_notifier (./include/linux/rcupdate.h:882 net/packet/af_packet.c:4261)
[   16.454924][  T377]  ? rt6_sync_up (net/ipv6/route.c:4925 (discriminator 1))
[   16.454928][  T377]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110) 8021q
[   16.454933][  T377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.454935][  T377]  notifier_call_chain (kernel/notifier.c:85)
[   16.454940][  T377]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9853)
[   16.454945][  T377]  ? netif_change_name (net/core/dev.c:1517)
[   16.454948][  T377]  ? __dev_change_flags (net/core/dev.c:9812)
[   16.454950][  T377]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   16.454953][  T377]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   16.454956][  T377]  ? __kernel_text_address (kernel/extable.c:79)
[   16.454958][  T377]  ? write_profile (profile.c:?)
[   16.454962][  T377]  netif_change_flags (net/core/dev.c:9882)
[   16.454966][  T377]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   16.454970][  T377]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   16.454972][  T377]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   16.454974][  T377]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   16.454976][  T377]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   16.454980][  T377]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   16.454982][  T377]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.454984][  T377]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.454987][  T377]  ? kasan_save_stack (mm/kasan/common.c:58)
[   16.454990][  T377]  ? kasan_save_stack (mm/kasan/common.c:57)
[   16.454991][  T377]  ? kasan_save_track (mm/kasan/common.c:78)
[   16.454994][  T377]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.454996][  T377]  ? netlink_bind (net/netlink/af_netlink.c:984)
[   16.455000][  T377]  ? ___sys_sendmsg (net/socket.c:2758 (discriminator 1))
[   16.455004][  T377]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.455006][  T377]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   16.455009][  T377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.455011][  T377]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.455013][  T377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.455014][  T377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.455016][  T377]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   16.455018][  T377]  ? __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:821)
[   16.455021][  T377]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   16.455024][  T377]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   16.455028][  T377]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   16.455034][  T377]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   16.455039][  T377]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   16.455045][  T377]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.455048][  T377]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.455052][  T377]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.455054][  T377]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.455056][  T377]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.455058][  T377]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.455062][  T377]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.455065][  T377]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   16.455068][  T377]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.455070][  T377]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.455075][  T377]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.455077][  T377]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.455080][  T377]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   16.455082][  T377]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.455086][  T377]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   16.455092][  T377]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   16.455094][  T377]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   16.455099][  T377]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   16.455103][  T377]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   16.455106][  T377]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.455110][  T377]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   16.455115][  T377]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   16.455119][  T377]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   16.455125][  T377]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   16.455127][  T377]  ? copy_msghdr_from_user (net/socket.c:2650)
[   16.455129][  T377]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   16.455130][  T377]  ? move_addr_to_kernel (net/socket.c:258)
[   16.455137][  T377]  ___sys_sendmsg (net/socket.c:2767)
[   16.455140][  T377]  ? copy_msghdr_from_user (net/socket.c:2619)
[   16.455155][  T377]  __sys_sendmsg (net/socket.c:2799)
[   16.455158][  T377]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   16.455164][  T377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.455167][  T377]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   16.455170][  T377]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   16.455173][  T377]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.455175][  T377] RIP: 0033:0x7f56cc19754e
[   16.455179][  T377] Code: 4d 89 d8 e8 b4 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 b4 bd 00 00       	call   0xbdbc
   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
[   16.455180][  T377] RSP: 002b:00007ffc1f2304b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   16.455183][  T377] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f56cc19754e
[   16.455184][  T377] RDX: 0000000000000000 RSI: 00007ffc1f230560 RDI: 0000000000000003
[   16.455185][  T377] RBP: 00007ffc1f2304c0 R08: 0000000000000000 R09: 0000000000000000
[   16.455186][  T377] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912b64


Finger prints:
inet6_fill_ifla6_attrs:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
__irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
netif_change_name:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars