======================================
| [   11.509766][  T196] softirqs last disabled at (229552): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   11.509769][  T196] Preemption disabled at:
| [   11.509769][  T196] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.509778][  T196] Tainted: [W]=WARN
[   11.509779][  T196] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.509781][  T196] Call Trace:
[   11.509783][  T196]  <TASK>
[   11.509784][  T196]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.509790][  T196]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.509792][  T196]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.509796][  T196]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.509801][  T196]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.509805][  T196]  __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))
[   11.509807][  T196]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.509814][  T196]  ? 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)
[   11.509817][  T196]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.509821][  T196]  put_chars (drivers/char/virtio_console.c:1176)
[   11.509823][  T196]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.509827][  T196]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   11.509831][  T196]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.509836][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.509841][  T196]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.509844][  T196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.509850][  T196]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.509854][  T196]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.509856][  T196]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   11.509859][  T196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.509861][  T196]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.509865][  T196]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.509869][  T196]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.509871][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.509877][  T196]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.509880][  T196]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.509882][  T196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.509883][  T196]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   11.509887][  T196]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.509889][  T196]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.509892][  T196]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.509895][  T196]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.509896][  T196]  ? __kernel_text_address (kernel/extable.c:79)
[   11.509899][  T196]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   11.509903][  T196]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   11.509909][  T196]  dev_vprintk_emit (drivers/base/core.c:5000)
[   11.509914][  T196]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   11.509923][  T196]  dev_printk_emit (drivers/base/core.c:5011)
[   11.509925][  T196]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   11.509930][  T196]  ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3))
[   11.509935][  T196]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   11.509941][  T196]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   11.509944][  T196]  ? netdev_notice (net/core/dev.c:13194)
[   11.509947][  T196]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.509950][  T196]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.509953][  T196]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   11.509956][  T196]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   11.509959][  T196]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   11.509961][  T196]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   11.509965][  T196]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   11.509968][  T196]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.509971][  T196]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   11.509977][  T196]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   11.509980][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.509983][  T196]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   11.509984][  T196]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.509986][  T196]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.509988][  T196]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.509991][  T196]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.509996][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.509998][  T196]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   11.509999][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   11.510003][  T196]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.510005][  T196]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   11.510008][  T196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.510010][  T196]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.510011][  T196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.510012][  T196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.510014][  T196]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   11.510016][  T196]  ? __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)
[   11.510019][  T196]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   11.510021][  T196]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   11.510023][  T196]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.510026][  T196]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   11.510028][  T196]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.510031][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.510035][  T196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.510042][  T196]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   11.510049][  T196]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   11.510050][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.510074][  T196]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.510076][  T196]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.510078][  T196]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.510080][  T196]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.510083][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.510087][  T196]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.510089][  T196]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.510091][  T196]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   11.510093][  T196]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.510097][  T196]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   11.510099][  T196]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.510102][  T196]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.510104][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.510108][  T196]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.510110][  T196]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.510114][  T196]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   11.510117][  T196]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.510120][  T196]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.510127][  T196]  ? 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))
[   11.510129][  T196]  ? 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))
[   11.510134][  T196]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.510138][  T196]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.510141][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.510145][  T196]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   11.510149][  T196]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   11.510151][  T196]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.510153][  T196]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.510158][  T196]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   11.510161][  T196]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   11.510165][  T196]  __sys_sendto (net/socket.c:2281)
[   11.510168][  T196]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   11.510183][  T196]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   11.510185][  T196]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.510189][  T196]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   11.510191][  T196]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   11.510194][  T196]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.510196][  T196]  ? irq_exit_rcu (kernel/softirq.c:786)
[   11.510200][  T196]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.510202][  T196] RIP: 0033:0x7f380ef3254e
[   11.510206][  T196] 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
[   11.510208][  T196] RSP: 002b:00007ffdba21b730 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   11.510211][  T196] RAX: ffffffffffffffda RBX: 000055e9cffac730 RCX: 00007f380ef3254e
[   11.510212][  T196] RDX: 0000000000000030 RSI: 000055e9cffeb9b0 RDI: 0000000000000012
[   11.510213][  T196] RBP: 00007ffdba21b740 R08: 00007ffdba21b790 R09: 0000000000000080
[   11.510214][  T196] R10: 0000000000000000 R11: 0000000000000202 R12: 000055e9cffeb150
[   11.510214][  T196] R13: 00007ffdba21b874 R14: 0000000000000000 R15: 0000000000000000
| [   12.545090][  T220] softirqs last disabled at (15986): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   12.545092][  T220] Preemption disabled at:
| [   12.545093][  T220] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.545101][  T220] Tainted: [W]=WARN
[   12.545102][  T220] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.545104][  T220] Call Trace:
[   12.545106][  T220]  <TASK>
[   12.545107][  T220]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.545113][  T220]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.545115][  T220]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.545119][  T220]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.545123][  T220]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.545127][  T220]  __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))
[   12.545129][  T220]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.545136][  T220]  ? 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)
[   12.545139][  T220]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.545142][  T220]  put_chars (drivers/char/virtio_console.c:1176)
[   12.545145][  T220]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.545147][  T220]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.545150][  T220]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.545153][  T220]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.545157][  T220]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.545161][  T220]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.545163][  T220]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.545165][  T220]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.545169][  T220]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.545171][  T220]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.545175][  T220]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.545179][  T220]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.545183][  T220]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.545185][  T220]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   12.545188][  T220]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.545190][  T220]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.545194][  T220]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.545198][  T220]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.545200][  T220]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.545205][  T220]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.545208][  T220]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.545210][  T220]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.545212][  T220]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   12.545215][  T220]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.545217][  T220]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.545220][  T220]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.545223][  T220]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.545225][  T220]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   12.545230][  T220]  _printk (kernel/printk/printk.c:2504)
[   12.545233][  T220]  ? snapshot_read.cold (user.c:?)
[   12.545237][  T220]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.545239][  T220]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.545242][  T220]  ? 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)
[   12.545246][  T220]  vlan_device_event.cold (net/8021q/vlan.c:347 (discriminator 1) net/8021q/vlan.c:388 (discriminator 1))
[   12.545250][  T220]  ? packet_notifier (./include/linux/rcupdate.h:882 net/packet/af_packet.c:4261)
[   12.545255][  T220]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110)
[   12.545259][  T220]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   12.545265][  T220]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.545266][  T220]  notifier_call_chain (kernel/notifier.c:85)
[   12.545271][  T220]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9853)
[   12.545276][  T220]  ? netif_change_name (net/core/dev.c:1517)
[   12.545280][  T220]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   12.545283][  T220]  ? write_profile (profile.c:?)
[   12.545288][  T220]  netif_change_flags (net/core/dev.c:9882)
[   12.545292][  T220]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   12.545296][  T220]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   12.545298][  T220]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   12.545303][  T220]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.545305][  T220]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.545309][  T220]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.545311][  T220]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.545313][  T220]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.545315][  T220]  ? kasan_save_stack (mm/kasan/common.c:58)
[   12.545317][  T220]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.545319][  T220]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.545320][  T220]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   12.545322][  T220]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.545324][  T220]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   12.545327][  T220]  ? ___sys_sendmsg (net/socket.c:2758)
[   12.545331][  T220]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.545333][  T220]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.545336][  T220]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.545337][  T220]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.545339][  T220]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.545340][  T220]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.545342][  T220]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   12.545344][  T220]  ? __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)
[   12.545346][  T220]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   12.545348][  T220]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.545351][  T220]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   12.545355][  T220]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.545357][  T220]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   12.545362][  T220]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.545368][  T220]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.545370][  T220]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.545374][  T220]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.545376][  T220]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.545378][  T220]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.545380][  T220]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.545384][  T220]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.545386][  T220]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.545389][  T220]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.545390][  T220]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.545395][  T220]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.545396][  T220]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.545400][  T220]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   12.545402][  T220]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.545405][  T220]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.545411][  T220]  ? 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))
[   12.545413][  T220]  ? 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))
[   12.545418][  T220]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.545422][  T220]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.545424][  T220]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.545429][  T220]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   12.545433][  T220]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   12.545437][  T220]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.545438][  T220]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   12.545444][  T220]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   12.545446][  T220]  ____sys_sendmsg (net/socket.c:2713)
[   12.545449][  T220]  ? copy_msghdr_from_user (net/socket.c:2650)
[   12.545451][  T220]  ? sock_write_iter (net/socket.c:1269)
[   12.545452][  T220]  ? move_addr_to_kernel (net/socket.c:258)
[   12.545460][  T220]  ___sys_sendmsg (net/socket.c:2767)
[   12.545463][  T220]  ? copy_msghdr_from_user (net/socket.c:2619)
[   12.545479][  T220]  __sys_sendmsg (net/socket.c:2799)
[   12.545482][  T220]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   12.545488][  T220]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.545491][  T220]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.545494][  T220]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.545497][  T220]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.545499][  T220] RIP: 0033:0x7f786989354e
[   12.545503][  T220] 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
[   12.545505][  T220] RSP: 002b:00007ffd7382ae40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.545507][  T220] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f786989354e
[   12.545509][  T220] RDX: 0000000000000000 RSI: 00007ffd7382aef0 RDI: 0000000000000003
[   12.545510][  T220] RBP: 00007ffd7382ae50 R08: 0000000000000000 R09: 0000000000000000
[   12.545511][  T220] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91606a
[   12.545512][  T220] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd7382b5b0
| [   13.586979][  T258] softirqs last disabled at (10166): addrconf_permanent_addr (net/ipv6/addrconf.c:3651)
| [   13.586981][  T258] Preemption disabled at:
| [   13.586982][  T258] vprintk_emit (kernel/printk/printk.c:2471)
| [   13.586990][  T258] Tainted: [W]=WARN
[   13.586991][  T258] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.586993][  T258] Call Trace:
[   13.586995][  T258]  <TASK>
[   13.586996][  T258]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.587002][  T258]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   13.587004][  T258]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.587008][  T258]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.587013][  T258]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   13.587017][  T258]  __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))
[   13.587019][  T258]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.587025][  T258]  ? 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)
[   13.587028][  T258]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.587032][  T258]  put_chars (drivers/char/virtio_console.c:1176)
[   13.587035][  T258]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.587037][  T258]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.587040][  T258]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.587043][  T258]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.587050][  T258]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.587054][  T258]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   13.587056][  T258]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.587058][  T258]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.587062][  T258]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.587064][  T258]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.587069][  T258]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.587073][  T258]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.587077][  T258]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.587079][  T258]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   13.587082][  T258]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.587084][  T258]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.587088][  T258]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.587092][  T258]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.587094][  T258]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.587099][  T258]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.587102][  T258]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.587104][  T258]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.587106][  T258]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   13.587109][  T258]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.587111][  T258]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.587114][  T258]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.587117][  T258]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.587119][  T258]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.587123][  T258]  _printk (kernel/printk/printk.c:2504)
[   13.587127][  T258]  ? snapshot_read.cold (user.c:?)
[   13.587130][  T258]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.587132][  T258]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.587136][  T258]  ? 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)
[   13.587140][  T258]  vlan_device_event.cold (net/8021q/vlan.c:347 (discriminator 1) net/8021q/vlan.c:388 (discriminator 1))
[   13.587144][  T258]  ? packet_notifier (./include/linux/rcupdate.h:882 net/packet/af_packet.c:4261)
[   13.587149][  T258]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110)
[   13.587156][  T258]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.587158][  T258]  notifier_call_chain (kernel/notifier.c:85)
[   13.587162][  T258]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9853)
[   13.587167][  T258]  ? netif_change_name (net/core/dev.c:1517)
[   13.587171][  T258]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   13.587175][  T258]  ? write_profile (profile.c:?)
[   13.587180][  T258]  netif_change_flags (net/core/dev.c:9882)
[   13.587183][  T258]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   13.587187][  T258]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   13.587189][  T258]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   13.587191][  T258]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.587193][  T258]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.587196][  T258]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.587198][  T258]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.587200][  T258]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.587202][  T258]  ? kasan_save_stack (mm/kasan/common.c:58)
[   13.587204][  T258]  ? kasan_save_stack (mm/kasan/common.c:57)
[   13.587206][  T258]  ? kasan_save_track (mm/kasan/common.c:78)
[   13.587207][  T258]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   13.587209][  T258]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.587211][  T258]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   13.587214][  T258]  ? ___sys_sendmsg (net/socket.c:2758)
[   13.587218][  T258]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.587220][  T258]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.587223][  T258]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.587224][  T258]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.587226][  T258]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.587227][  T258]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.587229][  T258]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   13.587231][  T258]  ? __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)
[   13.587233][  T258]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   13.587235][  T258]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.587239][  T258]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   13.587242][  T258]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.587244][  T258]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   13.587250][  T258]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   13.587255][  T258]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.587257][  T258]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.587262][  T258]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.587264][  T258]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.587265][  T258]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.587267][  T258]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.587271][  T258]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.587273][  T258]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   13.587276][  T258]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.587277][  T258]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.587282][  T258]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.587284][  T258]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.587287][  T258]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   13.587291][  T258]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.587294][  T258]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.587300][  T258]  ? 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))
[   13.587302][  T258]  ? 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))
[   13.587311][  T258]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.587315][  T258]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.587318][  T258]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.587322][  T258]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   13.587326][  T258]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   13.587330][  T258]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.587332][  T258]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   13.587337][  T258]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   13.587340][  T258]  ____sys_sendmsg (net/socket.c:2713)
[   13.587342][  T258]  ? copy_msghdr_from_user (net/socket.c:2650)
[   13.587345][  T258]  ? sock_write_iter (net/socket.c:1269)
[   13.587346][  T258]  ? move_addr_to_kernel (net/socket.c:258)
[   13.587354][  T258]  ___sys_sendmsg (net/socket.c:2767)
[   13.587357][  T258]  ? copy_msghdr_from_user (net/socket.c:2619)
[   13.587373][  T258]  __sys_sendmsg (net/socket.c:2799)
[   13.587376][  T258]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   13.587382][  T258]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.587385][  T258]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.587388][  T258]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   13.587391][  T258]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.587394][  T258] RIP: 0033:0x7fdcab06154e
[   13.587397][  T258] 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
[   13.587399][  T258] RSP: 002b:00007fff4bbc80d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.587402][  T258] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fdcab06154e
[   13.587403][  T258] RDX: 0000000000000000 RSI: 00007fff4bbc8180 RDI: 0000000000000003
[   13.587404][  T258] RBP: 00007fff4bbc80e0 R08: 0000000000000000 R09: 0000000000000000
[   13.587405][  T258] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91606b
[   13.587406][  T258] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff4bbc8840
| [   14.739051][  T262] softirqs last disabled at (16320): addrconf_permanent_addr (net/ipv6/addrconf.c:3651)
| [   14.739054][  T262] Preemption disabled at:
| [   14.739055][  T262] vprintk_emit (kernel/printk/printk.c:2471)
| [   14.739066][  T262] Tainted: [W]=WARN
[   14.739067][  T262] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.739070][  T262] Call Trace:
[   14.739072][  T262]  <TASK>
[   14.739074][  T262]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   14.739082][  T262]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   14.739084][  T262]  __might_resched.cold (kernel/sched/core.c:9234)
[   14.739090][  T262]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   14.739096][  T262]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   14.739102][  T262]  __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))
[   14.739105][  T262]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.739115][  T262]  ? 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)
[   14.739118][  T262]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.739124][  T262]  put_chars (drivers/char/virtio_console.c:1176)
[   14.739128][  T262]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   14.739132][  T262]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.739136][  T262]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.739140][  T262]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.739147][  T262]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   14.739152][  T262]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   14.739155][  T262]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.739157][  T262]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.739164][  T262]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   14.739167][  T262]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.739174][  T262]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.739181][  T262]  console_emit_next_record (kernel/printk/printk.c:3183)
[   14.739187][  T262]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   14.739189][  T262]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   14.739194][  T262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.739198][  T262]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.739204][  T262]  console_flush_one_record (kernel/printk/printk.c:3268)
[   14.739211][  T262]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   14.739214][  T262]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.739223][  T262]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   14.739227][  T262]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   14.739230][  T262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.739233][  T262]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   14.739239][  T262]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   14.739241][  T262]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   14.739246][  T262]  vprintk_emit (kernel/printk/printk.c:2479)
[   14.739251][  T262]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   14.739254][  T262]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.739262][  T262]  _printk (kernel/printk/printk.c:2504)
[   14.739267][  T262]  ? snapshot_read.cold (user.c:?)
[   14.739272][  T262]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.739275][  T262]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.739282][  T262]  ? 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)
[   14.739287][  T262]  vlan_device_event.cold (net/8021q/vlan.c:347 (discriminator 1) net/8021q/vlan.c:388 (discriminator 1))
[   14.739293][  T262]  ? packet_notifier (./include/linux/rcupdate.h:882 net/packet/af_packet.c:4261)
[   14.739300][  T262]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110)
[   14.739315][  T262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.739318][  T262]  notifier_call_chain (kernel/notifier.c:85)
[   14.739326][  T262]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9853)
[   14.739333][  T262]  ? netif_change_name (net/core/dev.c:1517)
[   14.739339][  T262]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   14.739344][  T262]  ? write_profile (profile.c:?)
[   14.739352][  T262]  netif_change_flags (net/core/dev.c:9882)
[   14.739358][  T262]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   14.739364][  T262]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   14.739367][  T262]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   14.739369][  T262]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.739372][  T262]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.739377][  T262]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.739380][  T262]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.739383][  T262]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.739387][  T262]  ? kasan_save_stack (mm/kasan/common.c:58)
[   14.739390][  T262]  ? kasan_save_stack (mm/kasan/common.c:57)
[   14.739392][  T262]  ? kasan_save_track (mm/kasan/common.c:78)
[   14.739394][  T262]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   14.739398][  T262]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.739401][  T262]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   14.739404][  T262]  ? ___sys_sendmsg (net/socket.c:2758)
[   14.739411][  T262]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.739414][  T262]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.739418][  T262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.739421][  T262]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.739423][  T262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.739425][  T262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.739428][  T262]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   14.739432][  T262]  ? __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)
[   14.739435][  T262]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   14.739438][  T262]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.739444][  T262]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   14.739450][  T262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.739454][  T262]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   14.739463][  T262]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   14.739472][  T262]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.739475][  T262]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.739482][  T262]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.739485][  T262]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.739488][  T262]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.739491][  T262]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.739498][  T262]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.739501][  T262]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.739506][  T262]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.739508][  T262]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.739516][  T262]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.739518][  T262]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.739524][  T262]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   14.739529][  T262]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.739533][  T262]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.739544][  T262]  ? 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))
[   14.739547][  T262]  ? 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))
[   14.739555][  T262]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.739561][  T262]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.739565][  T262]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.739573][  T262]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   14.739579][  T262]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   14.739585][  T262]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.739588][  T262]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   14.739596][  T262]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   14.739601][  T262]  ____sys_sendmsg (net/socket.c:2713)
[   14.739604][  T262]  ? copy_msghdr_from_user (net/socket.c:2650)
[   14.739608][  T262]  ? sock_write_iter (net/socket.c:1269)
[   14.739610][  T262]  ? move_addr_to_kernel (net/socket.c:258)
[   14.739623][  T262]  ___sys_sendmsg (net/socket.c:2767)
[   14.739627][  T262]  ? copy_msghdr_from_user (net/socket.c:2619)
[   14.739655][  T262]  __sys_sendmsg (net/socket.c:2799)
[   14.739660][  T262]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   14.739670][  T262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.739676][  T262]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   14.739679][  T262]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   14.739684][  T262]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.739687][  T262] RIP: 0033:0x7f9d95a5f54e
[   14.739692][  T262] 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
[   14.739694][  T262] RSP: 002b:00007ffe16c263b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.739698][  T262] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f9d95a5f54e
[   14.739700][  T262] RDX: 0000000000000000 RSI: 00007ffe16c26460 RDI: 0000000000000003
[   14.739701][  T262] RBP: 00007ffe16c263c0 R08: 0000000000000000 R09: 0000000000000000
[   14.739702][  T262] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91606d
[   14.739704][  T262] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe16c26b20
| [   15.802730][  T196] softirqs last disabled at (831864): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   15.802733][  T196] Preemption disabled at:
| [   15.802734][  T196] vprintk_emit (kernel/printk/printk.c:2471)
| [   15.802742][  T196] Tainted: [W]=WARN
[   15.802743][  T196] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.802745][  T196] Call Trace:
[   15.802746][  T196]  <TASK>
[   15.802748][  T196]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   15.802754][  T196]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   15.802756][  T196]  __might_resched.cold (kernel/sched/core.c:9234)
[   15.802760][  T196]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   15.802764][  T196]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   15.802769][  T196]  __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))
[   15.802771][  T196]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.802777][  T196]  ? 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)
[   15.802780][  T196]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.802784][  T196]  put_chars (drivers/char/virtio_console.c:1176)
[   15.802787][  T196]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   15.802788][  T196]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   15.802792][  T196]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.802794][  T196]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.802799][  T196]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   15.802803][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.802809][  T196]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   15.802812][  T196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.802817][  T196]  console_emit_next_record (kernel/printk/printk.c:3183)
[   15.802821][  T196]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   15.802823][  T196]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   15.802826][  T196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.802828][  T196]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.802832][  T196]  console_flush_one_record (kernel/printk/printk.c:3268)
[   15.802836][  T196]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   15.802838][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.802844][  T196]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   15.802847][  T196]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   15.802849][  T196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.802851][  T196]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   15.802854][  T196]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   15.802856][  T196]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   15.802859][  T196]  vprintk_emit (kernel/printk/printk.c:2479)
[   15.802863][  T196]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   15.802864][  T196]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   15.802866][  T196]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   15.802872][  T196]  dev_vprintk_emit (drivers/base/core.c:5000)
[   15.802878][  T196]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   15.802883][  T196]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   15.802885][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.802889][  T196]  dev_printk_emit (drivers/base/core.c:5011)
[   15.802891][  T196]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   15.802894][  T196]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.802897][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.802898][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.802900][  T196]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   15.802902][  T196]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   15.802905][  T196]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   15.802912][  T196]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   15.802915][  T196]  ? netdev_notice (net/core/dev.c:13194)
[   15.802918][  T196]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.802921][  T196]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.802923][  T196]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   15.802927][  T196]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   15.802929][  T196]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   15.802932][  T196]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   15.802936][  T196]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   15.802939][  T196]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.802942][  T196]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   15.802948][  T196]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   15.802951][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.802954][  T196]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   15.802955][  T196]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   15.802957][  T196]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   15.802959][  T196]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.802961][  T196]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.802966][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.802968][  T196]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   15.802969][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   15.802973][  T196]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.802975][  T196]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   15.802978][  T196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.802980][  T196]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.802981][  T196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.802982][  T196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.802984][  T196]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   15.802986][  T196]  ? __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)
[   15.802989][  T196]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   15.802991][  T196]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   15.802993][  T196]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   15.802996][  T196]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   15.802997][  T196]  ? nla_get_range_signed (lib/nlattr.c:270)
[   15.803001][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.803005][  T196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.803012][  T196]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   15.803016][  T196]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   15.803017][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.803041][  T196]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.803043][  T196]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.803049][  T196]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.803051][  T196]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   15.803053][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.803058][  T196]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.803060][  T196]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.803062][  T196]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   15.803064][  T196]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.803069][  T196]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   15.803071][  T196]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   15.803075][  T196]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.803076][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.803082][  T196]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.803084][  T196]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.803088][  T196]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   15.803091][  T196]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.803095][  T196]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.803102][  T196]  ? 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))
[   15.803104][  T196]  ? 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))
[   15.803110][  T196]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.803114][  T196]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.803118][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.803122][  T196]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   15.803127][  T196]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   15.803128][  T196]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.803131][  T196]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.803137][  T196]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   15.803140][  T196]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   15.803144][  T196]  __sys_sendto (net/socket.c:2281)
[   15.803147][  T196]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   15.803164][  T196]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   15.803166][  T196]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.803170][  T196]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   15.803172][  T196]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   15.803175][  T196]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   15.803177][  T196]  ? irq_exit_rcu (kernel/softirq.c:786)
[   15.803181][  T196]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.803183][  T196] RIP: 0033:0x7f380ef3254e
[   15.803188][  T196] 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
[   15.803189][  T196] RSP: 002b:00007ffdba21b730 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   15.803192][  T196] RAX: ffffffffffffffda RBX: 000055e9cffac730 RCX: 00007f380ef3254e
[   15.803193][  T196] RDX: 0000000000000030 RSI: 000055e9cfff16f0 RDI: 0000000000000012
[   15.803194][  T196] RBP: 00007ffdba21b740 R08: 00007ffdba21b790 R09: 0000000000000080
[   15.803195][  T196] R10: 0000000000000000 R11: 0000000000000202 R12: 000055e9cfffdae0


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