======================================
| [   57.510531][    C0]
| [   57.510532][    C0]
| [   57.510532][    C0] stack backtrace:
| [   57.510538][    C0] Tainted: [W]=WARN
[   57.510538][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   57.510540][    C0] Call Trace:
[   57.510541][    C0]  <IRQ>
[   57.510542][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   57.510547][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   57.510549][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   57.510551][    C0]  ? add_lock_to_list (./include/linux/find.h:391 kernel/locking/lockdep.c:1419 kernel/locking/lockdep.c:1450)
[   57.510554][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   57.510556][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   57.510558][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   57.510560][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   57.510562][    C0]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   57.510564][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.510566][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   57.510568][    C0]  console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   57.510570][    C0]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   57.510571][    C0]  console_emit_next_record (kernel/printk/printk.c:3177)
[   57.510574][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   57.510575][    C0]  ? 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))
[   57.510578][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.510579][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   57.510581][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[   57.510583][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   57.510585][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   57.510587][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   57.510589][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   57.510591][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.510592][    C0]  ? 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)
[   57.510594][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   57.510596][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   57.510597][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[   57.510599][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   57.510600][    C0]  ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:531 (discriminator 1) kernel/time/clocksource.c:608 (discriminator 1) kernel/time/clocksource.c:667 (discriminator 1))
[   57.510602][    C0]  _printk (kernel/printk/printk.c:2504)
[   57.510604][    C0]  ? snapshot_read.cold (user.c:?)
[   57.510606][    C0]  ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:531 (discriminator 1) kernel/time/clocksource.c:608 (discriminator 1) kernel/time/clocksource.c:667 (discriminator 1))
[   57.510607][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   57.510610][    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))
[   57.510611][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   57.510613][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   57.510614][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   57.510617][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   57.510619][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   57.510622][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   57.510623][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   57.510625][    C0]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   57.510627][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   57.510629][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   57.510631][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   57.510633][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   57.510636][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   57.510639][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   57.510641][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   57.510643][    C0]  ? handle_softirqs (./arch/x86/include/asm/bitops.h:312 kernel/softirq.c:633)
[   57.510644][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.510646][    C0]  handle_softirqs (kernel/softirq.c:645)
[   57.510648][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   57.510649][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   57.510651][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   57.510653][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   57.510654][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   57.510656][    C0]  </IRQ>
[   57.510657][    C0]  <TASK>
[   57.510657][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   57.510659][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   57.510660][    C0] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 12) kernel/locking/spinlock.c:221 (discriminator 12))
[   57.510663][    C0] Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 41 90 78 fd 48 89 df e8 49 e6 78 fd f7 c5 00 02 00 00 75 1f 9c 58 f6 c4 02 75 2f <bf> 01 00 00 00 e8 d0 ae 6a fd 65 48 83 3d af bb 65 02 00 74 12 5b
All code
========
   0:	f5                   	cmc
   1:	53                   	push   %rbx
   2:	48 8b 74 24 10       	mov    0x10(%rsp),%rsi
   7:	48 89 fb             	mov    %rdi,%rbx
   a:	48 83 c7 18          	add    $0x18,%rdi
   e:	e8 41 90 78 fd       	call   0xfffffffffd789054
  13:	48 89 df             	mov    %rbx,%rdi
  16:	e8 49 e6 78 fd       	call   0xfffffffffd78e664
  1b:	f7 c5 00 02 00 00    	test   $0x200,%ebp
  21:	75 1f                	jne    0x42
  23:	9c                   	pushf
  24:	58                   	pop    %rax
  25:	f6 c4 02             	test   $0x2,%ah
  28:	75 2f                	jne    0x59
  2a:*	bf 01 00 00 00       	mov    $0x1,%edi		<-- trapping instruction
  2f:	e8 d0 ae 6a fd       	call   0xfffffffffd6aaf04
  34:	65 48 83 3d af bb 65 	cmpq   $0x0,%gs:0x265bbaf(%rip)        # 0x265bbec
  3b:	02 00 
  3d:	74 12                	je     0x51
  3f:	5b                   	pop    %rbx

Code starting with the faulting instruction
===========================================
   0:	bf 01 00 00 00       	mov    $0x1,%edi
   5:	e8 d0 ae 6a fd       	call   0xfffffffffd6aaeda
   a:	65 48 83 3d af bb 65 	cmpq   $0x0,%gs:0x265bbaf(%rip)        # 0x265bbc2
  11:	02 00 
  13:	74 12                	je     0x27
  15:	5b                   	pop    %rbx
[   57.510665][    C0] RSP: 0018:ffa0000001907a80 EFLAGS: 00000246
[   57.510675][    C0] RAX: 0000000000000086 RBX: ffffffffaaafe500 RCX: ffffffffa67e0483
[   57.510676][    C0] RDX: ff11000009edc740 RSI: ffffffffa7111042 RDI: ffffffffa6a949e0
[   57.510677][    C0] RBP: 0000000000000286 R08: 0000000000000000 R09: 0000000000000000
[   57.510678][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: ffffffffaaafe620
[   57.510679][    C0] R13: 0000000000000001 R14: ffffffffaaafe658 R15: ff1100001085a800
[   57.510680][    C0]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[   57.510683][    C0]  uart_write (./include/linux/spinlock.h:425 (discriminator 3) ./include/linux/serial_core.h:794 (discriminator 3) drivers/tty/serial/serial_core.c:92 (discriminator 3) drivers/tty/serial/serial_core.c:89 (discriminator 3) drivers/tty/serial/serial_core.c:631 (discriminator 3))
[   57.510685][    C0]  process_output_block (drivers/tty/n_tty.c:557)
[   57.510687][    C0]  n_tty_write (drivers/tty/n_tty.c:2366)
[   57.510690][    C0]  ? n_tty_receive_signal_char (drivers/tty/n_tty.c:1188)
[   57.510692][    C0]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1230 (discriminator 1))
[   57.510693][    C0]  ? add_wait_queue_priority_exclusive (./include/linux/list.h:99)
[   57.510696][    C0]  ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:243)
[   57.510698][    C0]  iterate_tty_write (drivers/tty/tty_io.c:1006)
[   57.510700][    C0]  ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:243)
[   57.510701][    C0]  file_tty_write.isra.0 (drivers/tty/tty_io.c:1054)
[   57.510703][    C0]  ? redirected_tty_write (./include/linux/file_ref.h:121 (discriminator 8))
[   57.510705][    C0]  new_sync_write (fs/read_write.c:595)
[   57.510707][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   57.510708][    C0]  ? new_sync_read (./include/linux/ioprio.h:41)
[   57.510711][    C0]  vfs_write (fs/read_write.c:687)
[   57.510713][    C0]  ksys_write (fs/read_write.c:739)
[   57.510715][    C0]  ? __ia32_sys_read (fs/read_write.c:723)
[   57.510716][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.510718][    C0]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   57.510720][    C0]  ? irq_exit_rcu (kernel/softirq.c:786)
[   57.510721][    C0]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   57.510722][    C0] RIP: 0033:0x7f470bf6154e
[   57.510725][    C0] 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
[   57.510726][    C0] RSP: 002b:00007ffe736da900 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   57.510728][    C0] RAX: ffffffffffffffda RBX: 000056500588f2a0 RCX: 00007f470bf6154e
[   57.510729][    C0] RDX: 0000000000000001 RSI: 000056500588f2a0 RDI: 0000000000000001
[   57.510730][    C0] RBP: 00007ffe736da910 R08: 0000000000000000 R09: 0000000000000000
[   57.510730][    C0] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000001
[   57.510731][    C0] R13: 0000565005856010 R14: 0000000000000001 R15: 000056500588f2a0
| [   57.510749][    C0] softirqs last disabled at (122307): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   57.510750][    C0] Preemption disabled at:
| [   57.510751][    C0] 0x0
| [   57.510755][    C0] Tainted: [W]=WARN
[   57.510755][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   57.510756][    C0] Call Trace:
[   57.510756][    C0]  <IRQ>
[   57.510757][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   57.510760][    C0]  __might_resched.cold (kernel/sched/core.c:9234)
[   57.510762][    C0]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   57.510766][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.510767][    C0]  __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))
[   57.510769][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   57.510770][    C0]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   57.510773][    C0]  ? 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)
[   57.510774][    C0]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   57.510777][    C0]  put_chars (drivers/char/virtio_console.c:1176)
[   57.510779][    C0]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   57.510781][    C0]  ? mark_lock (kernel/locking/lockdep.c:4769)
[   57.510783][    C0]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   57.510786][    C0]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   57.510788][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.510789][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.510790][    C0]  console_emit_next_record (kernel/printk/printk.c:3183)
[   57.510793][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   57.510794][    C0]  ? 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))
[   57.510796][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.510798][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   57.510800][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[   57.510802][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   57.510804][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   57.510806][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   57.510808][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   57.510810][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.510811][    C0]  ? 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)
[   57.510813][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   57.510814][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   57.510816][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[   57.510817][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   57.510819][    C0]  ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:531 (discriminator 1) kernel/time/clocksource.c:608 (discriminator 1) kernel/time/clocksource.c:667 (discriminator 1))
[   57.510821][    C0]  _printk (kernel/printk/printk.c:2504)
[   57.510822][    C0]  ? snapshot_read.cold (user.c:?)
[   57.510824][    C0]  ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:531 (discriminator 1) kernel/time/clocksource.c:608 (discriminator 1) kernel/time/clocksource.c:667 (discriminator 1))
[   57.510826][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   57.510828][    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))
[   57.510829][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   57.510831][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   57.510833][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   57.510835][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   57.510837][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   57.510838][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   57.510840][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   57.510842][    C0]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   57.510844][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   57.510845][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   57.510848][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   57.510850][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   57.510852][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   57.510855][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   57.510857][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   57.510859][    C0]  ? handle_softirqs (./arch/x86/include/asm/bitops.h:312 kernel/softirq.c:633)
[   57.510860][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.510861][    C0]  handle_softirqs (kernel/softirq.c:645)
[   57.510863][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   57.510865][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   57.510867][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   57.510869][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   57.510870][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   57.510872][    C0]  </IRQ>
[   57.510872][    C0]  <TASK>
[   57.510873][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   57.510874][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   57.510875][    C0] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 12) kernel/locking/spinlock.c:221 (discriminator 12))
[   57.510877][    C0] Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 41 90 78 fd 48 89 df e8 49 e6 78 fd f7 c5 00 02 00 00 75 1f 9c 58 f6 c4 02 75 2f <bf> 01 00 00 00 e8 d0 ae 6a fd 65 48 83 3d af bb 65 02 00 74 12 5b
All code
========
   0:	f5                   	cmc
   1:	53                   	push   %rbx
   2:	48 8b 74 24 10       	mov    0x10(%rsp),%rsi
   7:	48 89 fb             	mov    %rdi,%rbx
   a:	48 83 c7 18          	add    $0x18,%rdi
   e:	e8 41 90 78 fd       	call   0xfffffffffd789054
  13:	48 89 df             	mov    %rbx,%rdi
  16:	e8 49 e6 78 fd       	call   0xfffffffffd78e664
  1b:	f7 c5 00 02 00 00    	test   $0x200,%ebp
  21:	75 1f                	jne    0x42
  23:	9c                   	pushf
  24:	58                   	pop    %rax
  25:	f6 c4 02             	test   $0x2,%ah
  28:	75 2f                	jne    0x59
  2a:*	bf 01 00 00 00       	mov    $0x1,%edi		<-- trapping instruction
  2f:	e8 d0 ae 6a fd       	call   0xfffffffffd6aaf04
  34:	65 48 83 3d af bb 65 	cmpq   $0x0,%gs:0x265bbaf(%rip)        # 0x265bbec
  3b:	02 00 
  3d:	74 12                	je     0x51
  3f:	5b                   	pop    %rbx

Code starting with the faulting instruction
===========================================
   0:	bf 01 00 00 00       	mov    $0x1,%edi
   5:	e8 d0 ae 6a fd       	call   0xfffffffffd6aaeda
   a:	65 48 83 3d af bb 65 	cmpq   $0x0,%gs:0x265bbaf(%rip)        # 0x265bbc2
  11:	02 00 
  13:	74 12                	je     0x27
  15:	5b                   	pop    %rbx
[   57.510878][    C0] RSP: 0018:ffa0000001907a80 EFLAGS: 00000246
[   57.510880][    C0] RAX: 0000000000000086 RBX: ffffffffaaafe500 RCX: ffffffffa67e0483
[   57.510880][    C0] RDX: ff11000009edc740 RSI: ffffffffa7111042 RDI: ffffffffa6a949e0
[   57.510881][    C0] RBP: 0000000000000286 R08: 0000000000000000 R09: 0000000000000000
[   57.510882][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: ffffffffaaafe620
[   57.510882][    C0] R13: 0000000000000001 R14: ffffffffaaafe658 R15: ff1100001085a800
[   57.510884][    C0]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[   57.510886][    C0]  uart_write (./include/linux/spinlock.h:425 (discriminator 3) ./include/linux/serial_core.h:794 (discriminator 3) drivers/tty/serial/serial_core.c:92 (discriminator 3) drivers/tty/serial/serial_core.c:89 (discriminator 3) drivers/tty/serial/serial_core.c:631 (discriminator 3))
[   57.510888][    C0]  process_output_block (drivers/tty/n_tty.c:557)
[   57.510891][    C0]  n_tty_write (drivers/tty/n_tty.c:2366)
[   57.510893][    C0]  ? n_tty_receive_signal_char (drivers/tty/n_tty.c:1188)
[   57.510895][    C0]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1230 (discriminator 1))
[   57.510896][    C0]  ? add_wait_queue_priority_exclusive (./include/linux/list.h:99)
[   57.510898][    C0]  ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:243)
[   57.510900][    C0]  iterate_tty_write (drivers/tty/tty_io.c:1006)
[   57.510902][    C0]  ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:243)
[   57.510904][    C0]  file_tty_write.isra.0 (drivers/tty/tty_io.c:1054)
[   57.510906][    C0]  ? redirected_tty_write (./include/linux/file_ref.h:121 (discriminator 8))
[   57.510907][    C0]  new_sync_write (fs/read_write.c:595)
[   57.510909][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   57.510911][    C0]  ? new_sync_read (./include/linux/ioprio.h:41)
[   57.510913][    C0]  vfs_write (fs/read_write.c:687)
[   57.510915][    C0]  ksys_write (fs/read_write.c:739)
[   57.510917][    C0]  ? __ia32_sys_read (fs/read_write.c:723)
[   57.510918][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.510920][    C0]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   57.510922][    C0]  ? irq_exit_rcu (kernel/softirq.c:786)
[   57.510923][    C0]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   57.510925][    C0] RIP: 0033:0x7f470bf6154e
[   57.510926][    C0] 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
[   57.510927][    C0] RSP: 002b:00007ffe736da900 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   57.510928][    C0] RAX: ffffffffffffffda RBX: 000056500588f2a0 RCX: 00007f470bf6154e
[   57.510928][    C0] RDX: 0000000000000001 RSI: 000056500588f2a0 RDI: 0000000000000001
[   57.510929][    C0] RBP: 00007ffe736da910 R08: 0000000000000000 R09: 0000000000000000
[   57.510930][    C0] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000001


Finger prints:
__irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:console_lock_spinning_enable