======================================
| [   10.402138][  T196] softirqs last disabled at (39106): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   10.402140][  T196] Preemption disabled at:
| [   10.402141][  T196] vprintk_emit (kernel/printk/printk.c:2471)
| [   10.402150][  T196] Tainted: [W]=WARN
[   10.402151][  T196] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.402154][  T196] Call Trace:
[   10.402155][  T196]  <TASK>
[   10.402157][  T196]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.402163][  T196]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   10.402165][  T196]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.402170][  T196]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.402174][  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)
[   10.402179][  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))
[   10.402181][  T196]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.402186][  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)
[   10.402189][  T196]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.402192][  T196]  put_chars (drivers/char/virtio_console.c:1176)
[   10.402195][  T196]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.402199][  T196]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   10.402204][  T196]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.402206][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.402211][  T196]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.402214][  T196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.402221][  T196]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.402224][  T196]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.402229][  T196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.402231][  T196]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.402235][  T196]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.402239][  T196]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.402241][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.402246][  T196]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.402248][  T196]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.402250][  T196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.402252][  T196]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.402256][  T196]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.402257][  T196]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.402260][  T196]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.402264][  T196]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.402266][  T196]  ? write_profile (profile.c:?)
[   10.402269][  T196]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   10.402277][  T196]  dev_vprintk_emit (drivers/base/core.c:5000)
[   10.402282][  T196]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   10.402286][  T196]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   10.402292][  T196]  dev_printk_emit (drivers/base/core.c:5011)
[   10.402295][  T196]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   10.402299][  T196]  ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3))
[   10.402304][  T196]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   10.402312][  T196]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   10.402314][  T196]  ? netdev_notice (net/core/dev.c:13194)
[   10.402317][  T196]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.402321][  T196]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.402323][  T196]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   10.402326][  T196]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   10.402329][  T196]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   10.402333][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.402334][  T196]  ? rwsem_optimistic_spin (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:4434 kernel/locking/rwsem.c:245 kernel/locking/rwsem.c:898)
[   10.402337][  T196]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   10.402340][  T196]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   10.402342][  T196]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.402346][  T196]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   10.402351][  T196]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   10.402354][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.402357][  T196]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   10.402359][  T196]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   10.402360][  T196]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.402363][  T196]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.402365][  T196]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.402369][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.402374][  T196]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.402375][  T196]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   10.402378][  T196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.402380][  T196]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.402382][  T196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.402383][  T196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.402386][  T196]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   10.402388][  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)
[   10.402391][  T196]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   10.402393][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.402394][  T196]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   10.402397][  T196]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   10.402399][  T196]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   10.402401][  T196]  ? nla_get_range_signed (lib/nlattr.c:270)
[   10.402407][  T196]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   10.402410][  T196]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   10.402418][  T196]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   10.402422][  T196]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   10.402423][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.402446][  T196]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.402448][  T196]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.402451][  T196]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.402453][  T196]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   10.402454][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.402459][  T196]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.402460][  T196]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.402463][  T196]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   10.402465][  T196]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.402468][  T196]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   10.402471][  T196]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   10.402474][  T196]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.402476][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.402480][  T196]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.402482][  T196]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.402486][  T196]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   10.402489][  T196]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.402493][  T196]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.402499][  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))
[   10.402501][  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))
[   10.402506][  T196]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.402510][  T196]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.402513][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.402518][  T196]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   10.402528][  T196]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   10.402532][  T196]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   10.402535][  T196]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   10.402539][  T196]  __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4))
[   10.402542][  T196]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   10.402553][  T196]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   10.402559][  T196]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   10.402561][  T196]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.402565][  T196]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   10.402567][  T196]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   10.402569][  T196]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.402570][  T196]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.402573][  T196]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.402575][  T196] RIP: 0033:0x7f307ac1554e
[   10.402579][  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
[   10.402581][  T196] RSP: 002b:00007ffca7a7a2c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   10.402584][  T196] RAX: ffffffffffffffda RBX: 000055b41f355410 RCX: 00007f307ac1554e
[   10.402586][  T196] RDX: 0000000000000030 RSI: 000055b41f355280 RDI: 0000000000000014
[   10.402586][  T196] RBP: 00007ffca7a7a2d0 R08: 00007ffca7a7a320 R09: 0000000000000080
[   10.402587][  T196] R10: 0000000000000000 R11: 0000000000000202 R12: 000055b41f4f38f0
[   10.402588][  T196] R13: 00007ffca7a7a404 R14: 0000000000000000 R15: 0000000000000000
| [   10.403749][    C0]
| [   10.403749][    C0]
| [   10.403749][    C0] stack backtrace:
| [   10.403756][    C0] Tainted: [W]=WARN
[   10.403757][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.403759][    C0] Call Trace:
[   10.403760][    C0]  <IRQ>
[   10.403762][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.403765][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   10.403768][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   10.403769][    C0]  ? add_lock_to_list (./include/linux/find.h:391 kernel/locking/lockdep.c:1419 kernel/locking/lockdep.c:1450)
[   10.403773][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   10.403775][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   10.403776][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   10.403778][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.403780][    C0]  ? console_trylock_spinning (kernel/printk/printk.c:2026 (discriminator 2))
[   10.403781][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.403785][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.403786][    C0]  console_trylock_spinning (kernel/printk/printk.c:2026 (discriminator 2))
[   10.403788][    C0]  ? console_trylock_spinning (kernel/printk/printk.c:2026 (discriminator 2))
[   10.403789][    C0]  vprintk_emit (kernel/printk/printk.c:2478)
[   10.403791][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.403794][    C0]  ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:434 kernel/time/clocksource.c:664)
[   10.403795][    C0]  _printk (kernel/printk/printk.c:2504)
[   10.403797][    C0]  ? snapshot_read.cold (user.c:?)
[   10.403799][    C0]  ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:434 kernel/time/clocksource.c:664)
[   10.403800][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.403803][    C0]  clocksource_watchdog.part.0.cold (kernel/time/clocksource.c:589 (discriminator 10) kernel/time/clocksource.c:632 (discriminator 10) kernel/time/clocksource.c:667 (discriminator 10))
[   10.403804][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   10.403806][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   10.403807][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   10.403809][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   10.403810][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   10.403814][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.403816][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.403817][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.403820][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   10.403821][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   10.403823][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   10.403825][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.403827][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.403830][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   10.403831][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   10.403833][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.403836][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.403838][    C0]  handle_softirqs (kernel/softirq.c:645)
[   10.403840][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.403841][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   10.403844][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   10.403846][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   10.403848][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   10.403850][    C0]  </IRQ>
[   10.403850][    C0]  <TASK>
[   10.403851][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   10.403852][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   10.403854][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   10.403856][    C0] Code: 48 8b 3d 94 f2 f7 01 e8 1f 00 00 00 48 2b 05 58 b3 98 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 16 11 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 f2 f7 01 	mov    0x1f7f294(%rip),%rdi        # 0x1f7f29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 b3 98 00 	sub    0x98b358(%rip),%rax        # 0x98b36b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 16 11 00 	verw   0x111613(%rip)        # 0x11163b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   10.403858][    C0] RSP: 0018:ffffffff9b807cf8 EFLAGS: 00000296
[   10.403861][    C0] RAX: 0000000000044ff7 RBX: ffffffff9b81c600 RCX: ffffffff988ed307
[   10.403862][    C0] RDX: ffffffff9b81c600 RSI: ffffffff9b67097f RDI: ffffffff9b08f560
[   10.403863][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   10.403864][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff3700fa2
[   10.403865][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   10.403866][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   10.403869][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   10.403871][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   10.403872][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   10.403874][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   10.403876][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   10.403878][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   10.403881][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.403883][    C0]  do_idle (kernel/sched/idle.c:355)
[   10.403885][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   10.403887][    C0]  rest_init (init/main.c:727)
[   10.403889][    C0]  ? __cpuidle_text_end (??:?)
[   10.403892][    C0]  ? rest_init (init/main.c:727)
[   10.403894][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   10.403897][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   10.403899][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   10.403902][    C0]  start_kernel (init/main.c:1185)
[   10.403904][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   10.403905][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   10.403907][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   14.691890][  T196] softirqs last disabled at (39106): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   14.691893][  T196] Preemption disabled at:
| [   14.691894][  T196] 0x0
| [   14.691906][  T196] Tainted: [W]=WARN
[   14.691908][  T196] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.691911][  T196] Call Trace:
[   14.691913][  T196]  <TASK>
[   14.691914][  T196]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   14.691921][  T196]  __might_resched.cold (kernel/sched/core.c:9234)
[   14.691925][  T196]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   14.691929][  T196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.691934][  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))
[   14.691938][  T196]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   14.691941][  T196]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.691945][  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)
[   14.691947][  T196]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.691950][  T196]  put_chars (drivers/char/virtio_console.c:1176)
[   14.691953][  T196]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   14.691954][  T196]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   14.691957][  T196]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   14.691960][  T196]  ? desc_read (./include/linux/instrumented.h:97 ./include/linux/atomic/atomic-instrumented.h:3223 kernel/printk/printk_ringbuffer.c:552)
[   14.691963][  T196]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   14.691968][  T196]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   14.691970][  T196]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   14.691972][  T196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.691974][  T196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.691976][  T196]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.691978][  T196]  console_emit_next_record (kernel/printk/printk.c:3183)
[   14.691982][  T196]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   14.691984][  T196]  ? _prb_read_valid (kernel/printk/printk_ringbuffer.c:1996)
[   14.691987][  T196]  ? __asan_memmove (mm/kasan/shadow.c:95 (discriminator 1))
[   14.691990][  T196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.691992][  T196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.691994][  T196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.691996][  T196]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.691999][  T196]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   14.692001][  T196]  console_flush_one_record (kernel/printk/printk.c:3268)
[   14.692004][  T196]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   14.692007][  T196]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   14.692009][  T196]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.692011][  T196]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   14.692014][  T196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.692016][  T196]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   14.692017][  T196]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   14.692019][  T196]  ? sync_exp_reset_tree_hotplug (kernel/rcu/tree_exp.h:98)
[   14.692022][  T196]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   14.692024][  T196]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   14.692027][  T196]  vprintk_emit (kernel/printk/printk.c:2479)
[   14.692030][  T196]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   14.692033][  T196]  ? do_raw_read_unlock (kernel/locking/spinlock_debug.c:180)
[   14.692035][  T196]  ? forget_original_parent (kernel/exit.c:635 kernel/exit.c:740)
[   14.692039][  T196]  _printk (kernel/printk/printk.c:2504)
[   14.692043][  T196]  ? snapshot_read.cold (user.c:?)
[   14.692045][  T196]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   14.692048][  T196]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   14.692050][  T196]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   14.692053][  T196]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   14.692055][  T196]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   14.692058][  T196]  ? vfs_read (fs/read_write.c:574)
[   14.692062][  T196]  ? exit_notify (kernel/exit.c:780)
[   14.692065][  T196]  ? posixtimer_sig_unignore.isra.0 (kernel/signal.c:1971 (discriminator 3))
[   14.692068][  T196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.692071][  T196]  do_group_exit (kernel/exit.c:1151)
[   14.692074][  T196]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   14.692077][  T196]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   14.692080][  T196]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   14.692083][  T196]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   14.692086][  T196]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.692089][  T196] RIP: 0033:0x7f307ac661b8
[   14.692091][  T196] Code: Unable to access opcode bytes at 0x7f307ac6618e.

Code starting with the faulting instruction
===========================================
[   14.692093][  T196] RSP: 002b:00007ffca7a7a818 EFLAGS: 00000256 ORIG_RAX: 00000000000000e7
[   14.692097][  T196] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f307ac661b8
[   14.692099][  T196] RDX: 0000000000000000 RSI: fffffffffffffe90 RDI: 0000000000000000
[   14.692101][  T196] RBP: 00007ffca7a7a9a0 R08: 000055b41f4d54b8 R09: 0000000000000000
[   14.692102][  T196] R10: 0000000000000000 R11: 0000000000000256 R12: 0000000000000000


Finger prints:
netif_change_name:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
netif_change_name:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:console_trylock_spinning