======================================
| [    9.895282][  T185] softirqs last disabled at (29639): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [    9.895285][  T185] Preemption disabled at:
| [    9.895286][  T185] 0x0
| [    9.895299][  T185] Tainted: [W]=WARN
[    9.895301][  T185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.895303][  T185] Call Trace:
[    9.895305][  T185]  <TASK>
[    9.895307][  T185]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    9.895315][  T185]  __might_resched.cold (kernel/sched/core.c:9234)
[    9.895323][  T185]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[    9.895329][  T185]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[    9.895336][  T185]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[    9.895339][  T185]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.895349][  T185]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    9.895353][  T185]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.895359][  T185]  put_chars (drivers/char/virtio_console.c:1176)
[    9.895364][  T185]  ? __send_to_port (drivers/char/virtio_console.c:654)
[    9.895366][  T185]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    9.895373][  T185]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    9.895382][  T185]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[    9.895394][  T185]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[    9.895398][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.895401][  T185]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.895408][  T185]  console_emit_next_record (kernel/printk/printk.c:3183)
[    9.895414][  T185]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    9.895417][  T185]  ? 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))
[    9.895422][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.895425][  T185]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.895432][  T185]  console_flush_one_record (kernel/printk/printk.c:3268)
[    9.895438][  T185]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    9.895441][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.895450][  T185]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    9.895454][  T185]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    9.895456][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.895460][  T185]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[    9.895466][  T185]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    9.895468][  T185]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    9.895474][  T185]  vprintk_emit (kernel/printk/printk.c:2479)
[    9.895479][  T185]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    9.895485][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.895491][  T185]  _printk (kernel/printk/printk.c:2504)
[    9.895496][  T185]  ? snapshot_read.cold (user.c:?)
[    9.895500][  T185]  ? 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)
[    9.895505][  T185]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    9.895511][  T185]  ? 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)
[    9.895515][  T185]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[    9.895520][  T185]  ? exit_notify (kernel/exit.c:780)
[    9.895523][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.895527][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.895534][  T185]  do_group_exit (kernel/exit.c:1151)
[    9.895540][  T185]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[    9.895543][  T185]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[    9.895546][  T185]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    9.895550][  T185]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    9.895555][  T185]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.895558][  T185] RIP: 0033:0x7f9e6ce321b8
[    9.895562][  T185] Code: Unable to access opcode bytes at 0x7f9e6ce3218e.

Code starting with the faulting instruction
===========================================
[    9.895563][  T185] RSP: 002b:00007fff59b03368 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[    9.895566][  T185] RAX: ffffffffffffffda RBX: 00007f9e6cf62f88 RCX: 00007f9e6ce321b8
[    9.895568][  T185] RDX: 00007f9e6cb7cfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[    9.895569][  T185] RBP: 00007fff59b033c0 R08: 0000000000000000 R09: 0000000000000050
[    9.895571][  T185] R10: 00007fff59b03180 R11: 0000000000000246 R12: 0000000000000001
[    9.895572][  T185] R13: 0000000000000000 R14: 00007f9e6cf61680 R15: 00007f9e6cf62fa0
| [  118.457828][    C0]
| [  118.457828][    C0]
| [  118.457828][    C0] stack backtrace:
| [  118.457834][    C0] Tainted: [W]=WARN
[  118.457835][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  118.457836][    C0] Call Trace:
[  118.457838][    C0]  <IRQ>
[  118.457839][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  118.457842][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[  118.457844][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[  118.457846][    C0]  ? add_lock_to_list (./include/linux/find.h:391 kernel/locking/lockdep.c:1419 kernel/locking/lockdep.c:1450)
[  118.457848][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[  118.457850][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[  118.457851][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[  118.457853][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  118.457855][    C0]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[  118.457856][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.457859][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  118.457861][    C0]  console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[  118.457862][    C0]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[  118.457864][    C0]  console_emit_next_record (kernel/printk/printk.c:3177)
[  118.457866][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  118.457867][    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))
[  118.457869][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.457870][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  118.457872][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[  118.457874][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  118.457876][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  118.457878][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  118.457879][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  118.457881][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.457882][    C0]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  118.457884][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  118.457885][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  118.457887][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[  118.457889][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  118.457891][    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))
[  118.457893][    C0]  _printk (kernel/printk/printk.c:2504)
[  118.457894][    C0]  ? snapshot_read.cold (user.c:?)
[  118.457896][    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))
[  118.457898][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  118.457900][    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))
[  118.457901][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[  118.457903][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[  118.457904][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[  118.457906][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[  118.457907][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[  118.457910][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  118.457913][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  118.457914][    C0]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  118.457916][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[  118.457917][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[  118.457919][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[  118.457921][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  118.457923][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  118.457925][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[  118.457927][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[  118.457928][    C0]  ? handle_softirqs (./arch/x86/include/asm/bitops.h:312 kernel/softirq.c:633)
[  118.457929][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.457931][    C0]  handle_softirqs (kernel/softirq.c:645)
[  118.457933][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  118.457934][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[  118.457936][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[  118.457937][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[  118.457938][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[  118.457940][    C0]  </IRQ>
[  118.457940][    C0]  <TASK>
[  118.457941][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[  118.457943][    C0] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 12) kernel/locking/spinlock.c:221 (discriminator 12))
[  118.457945][    C0] Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 c1 1f af fd 48 89 df e8 c9 75 af fd f7 c5 00 02 00 00 75 1f 9c 58 f6 c4 02 75 2f <bf> 01 00 00 00 e8 70 3f a1 fd 65 48 83 3d af cb 0d 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 c1 1f af fd       	call   0xfffffffffdaf1fd4
  13:	48 89 df             	mov    %rbx,%rdi
  16:	e8 c9 75 af fd       	call   0xfffffffffdaf75e4
  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 70 3f a1 fd       	call   0xfffffffffda13fa4
  34:	65 48 83 3d af cb 0d 	cmpq   $0x0,%gs:0x20dcbaf(%rip)        # 0x20dcbec
  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 70 3f a1 fd       	call   0xfffffffffda13f7a
   a:	65 48 83 3d af cb 0d 	cmpq   $0x0,%gs:0x20dcbaf(%rip)        # 0x20dcbc2
  11:	02 00 
  13:	74 12                	je     0x27
  15:	5b                   	pop    %rbx
[  118.457947][    C0] RSP: 0018:ffa0000001817a78 EFLAGS: 00000246
[  118.457950][    C0] RAX: 0000000000000092 RBX: ffffffff9e9fad00 RCX: ffffffff9ac64483
[  118.457951][    C0] RDX: ff11000013f02380 RSI: ffffffff9b657571 RDI: ffffffff9b08d8e0
[  118.457952][    C0] RBP: 0000000000000286 R08: 0000000000000000 R09: 0000000000000000
[  118.457953][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: ffffffff9e9fae20
[  118.457953][    C0] R13: 0000000000000001 R14: ffffffff9e9fae58 R15: ff11000011629000
[  118.457955][    C0]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[  118.457957][    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))
[  118.457959][    C0]  process_output_block (drivers/tty/n_tty.c:557)
[  118.457961][    C0]  n_tty_write (drivers/tty/n_tty.c:2366)
[  118.457964][    C0]  ? n_tty_receive_signal_char (drivers/tty/n_tty.c:1188)
[  118.457966][    C0]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1230 (discriminator 1))
[  118.457967][    C0]  ? add_wait_queue_priority_exclusive (./include/linux/list.h:99)
[  118.457970][    C0]  ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:243)
[  118.457972][    C0]  iterate_tty_write (drivers/tty/tty_io.c:1006)
[  118.457974][    C0]  ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:243)
[  118.457976][    C0]  file_tty_write.isra.0 (drivers/tty/tty_io.c:1054)
[  118.457977][    C0]  ? redirected_tty_write (./include/linux/file_ref.h:121 (discriminator 8))
[  118.457979][    C0]  new_sync_write (fs/read_write.c:595)
[  118.457981][    C0]  ? new_sync_read (./include/linux/ioprio.h:41)
[  118.457982][    C0]  ? generic_write_checks_count (fs/read_write.c:1753)
[  118.457985][    C0]  vfs_write (fs/read_write.c:687)
[  118.457987][    C0]  ? vfs_read (fs/read_write.c:574)
[  118.457989][    C0]  ksys_write (fs/read_write.c:739)
[  118.457990][    C0]  ? __ia32_sys_read (fs/read_write.c:723)
[  118.457992][    C0]  ? restore_fpregs_from_fpstate (arch/x86/kernel/fpu/xstate.h:242 arch/x86/kernel/fpu/core.c:207)
[  118.457994][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.457995][    C0]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  118.457997][    C0]  ? irq_exit_rcu (kernel/softirq.c:786)
[  118.457998][    C0]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  118.457999][    C0] RIP: 0033:0x7ff8c3d4554e
[  118.458002][    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
[  118.458003][    C0] RSP: 002b:00007fffecd16c10 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[  118.458004][    C0] RAX: ffffffffffffffda RBX: 00005617815761d0 RCX: 00007ff8c3d4554e
[  118.458005][    C0] RDX: 0000000000000001 RSI: 00005617815761d0 RDI: 0000000000000001
[  118.458006][    C0] RBP: 00007fffecd16c20 R08: 0000000000000000 R09: 0000000000000000
[  118.458006][    C0] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000001
[  118.458007][    C0] R13: 000056178153d010 R14: 0000000000000001 R15: 00005617815761d0
| [  118.458024][    C0] softirqs last disabled at (90725): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  118.458025][    C0] Preemption disabled at:
| [  118.458026][    C0] 0x0
| [  118.458030][    C0] Tainted: [W]=WARN
[  118.458030][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  118.458031][    C0] Call Trace:
[  118.458031][    C0]  <IRQ>
[  118.458032][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  118.458034][    C0]  __might_resched.cold (kernel/sched/core.c:9234)
[  118.458036][    C0]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  118.458039][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.458041][    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))
[  118.458042][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  118.458044][    C0]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  118.458046][    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)
[  118.458047][    C0]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  118.458049][    C0]  put_chars (drivers/char/virtio_console.c:1176)
[  118.458051][    C0]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  118.458054][    C0]  ? mark_lock (kernel/locking/lockdep.c:4769)
[  118.458055][    C0]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  118.458058][    C0]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  118.458060][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.458061][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.458064][    C0]  console_emit_next_record (kernel/printk/printk.c:3183)
[  118.458065][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  118.458067][    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))
[  118.458068][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.458070][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  118.458072][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[  118.458074][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  118.458075][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  118.458077][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  118.458079][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  118.458080][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.458081][    C0]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  118.458090][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  118.458091][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  118.458093][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[  118.458095][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  118.458097][    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))
[  118.458098][    C0]  _printk (kernel/printk/printk.c:2504)
[  118.458100][    C0]  ? snapshot_read.cold (user.c:?)
[  118.458102][    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))
[  118.458103][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  118.458105][    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))
[  118.458107][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[  118.458108][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[  118.458109][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[  118.458111][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[  118.458112][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[  118.458114][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  118.458116][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  118.458117][    C0]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  118.458119][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[  118.458120][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[  118.458122][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[  118.458123][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  118.458126][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  118.458128][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[  118.458129][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[  118.458131][    C0]  ? handle_softirqs (./arch/x86/include/asm/bitops.h:312 kernel/softirq.c:633)
[  118.458132][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.458133][    C0]  handle_softirqs (kernel/softirq.c:645)
[  118.458135][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  118.458136][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[  118.458138][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[  118.458139][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[  118.458140][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[  118.458142][    C0]  </IRQ>
[  118.458143][    C0]  <TASK>
[  118.458143][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[  118.458145][    C0] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 12) kernel/locking/spinlock.c:221 (discriminator 12))
[  118.458146][    C0] Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 c1 1f af fd 48 89 df e8 c9 75 af fd f7 c5 00 02 00 00 75 1f 9c 58 f6 c4 02 75 2f <bf> 01 00 00 00 e8 70 3f a1 fd 65 48 83 3d af cb 0d 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 c1 1f af fd       	call   0xfffffffffdaf1fd4
  13:	48 89 df             	mov    %rbx,%rdi
  16:	e8 c9 75 af fd       	call   0xfffffffffdaf75e4
  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 70 3f a1 fd       	call   0xfffffffffda13fa4
  34:	65 48 83 3d af cb 0d 	cmpq   $0x0,%gs:0x20dcbaf(%rip)        # 0x20dcbec
  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 70 3f a1 fd       	call   0xfffffffffda13f7a
   a:	65 48 83 3d af cb 0d 	cmpq   $0x0,%gs:0x20dcbaf(%rip)        # 0x20dcbc2
  11:	02 00 
  13:	74 12                	je     0x27
  15:	5b                   	pop    %rbx
[  118.458147][    C0] RSP: 0018:ffa0000001817a78 EFLAGS: 00000246
[  118.458148][    C0] RAX: 0000000000000092 RBX: ffffffff9e9fad00 RCX: ffffffff9ac64483
[  118.458149][    C0] RDX: ff11000013f02380 RSI: ffffffff9b657571 RDI: ffffffff9b08d8e0
[  118.458150][    C0] RBP: 0000000000000286 R08: 0000000000000000 R09: 0000000000000000
[  118.458151][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: ffffffff9e9fae20
[  118.458151][    C0] R13: 0000000000000001 R14: ffffffff9e9fae58 R15: ff11000011629000
[  118.458153][    C0]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[  118.458155][    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))
[  118.458157][    C0]  process_output_block (drivers/tty/n_tty.c:557)
[  118.458159][    C0]  n_tty_write (drivers/tty/n_tty.c:2366)
[  118.458161][    C0]  ? n_tty_receive_signal_char (drivers/tty/n_tty.c:1188)
[  118.458163][    C0]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1230 (discriminator 1))
[  118.458165][    C0]  ? add_wait_queue_priority_exclusive (./include/linux/list.h:99)
[  118.458167][    C0]  ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:243)
[  118.458169][    C0]  iterate_tty_write (drivers/tty/tty_io.c:1006)
[  118.458171][    C0]  ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:243)
[  118.458172][    C0]  file_tty_write.isra.0 (drivers/tty/tty_io.c:1054)
[  118.458174][    C0]  ? redirected_tty_write (./include/linux/file_ref.h:121 (discriminator 8))
[  118.458175][    C0]  new_sync_write (fs/read_write.c:595)
[  118.458177][    C0]  ? new_sync_read (./include/linux/ioprio.h:41)
[  118.458179][    C0]  ? generic_write_checks_count (fs/read_write.c:1753)
[  118.458182][    C0]  vfs_write (fs/read_write.c:687)
[  118.458183][    C0]  ? vfs_read (fs/read_write.c:574)
[  118.458185][    C0]  ksys_write (fs/read_write.c:739)
[  118.458187][    C0]  ? __ia32_sys_read (fs/read_write.c:723)
[  118.458188][    C0]  ? restore_fpregs_from_fpstate (arch/x86/kernel/fpu/xstate.h:242 arch/x86/kernel/fpu/core.c:207)
[  118.458190][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.458192][    C0]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  118.458193][    C0]  ? irq_exit_rcu (kernel/softirq.c:786)
[  118.458194][    C0]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  118.458196][    C0] RIP: 0033:0x7ff8c3d4554e
[  118.458197][    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
[  118.458197][    C0] RSP: 002b:00007fffecd16c10 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[  118.458199][    C0] RAX: ffffffffffffffda RBX: 00005617815761d0 RCX: 00007ff8c3d4554e
[  118.458199][    C0] RDX: 0000000000000001 RSI: 00005617815761d0 RDI: 0000000000000001
[  118.458200][    C0] RBP: 00007fffecd16c20 R08: 0000000000000000 R09: 0000000000000000
[  118.458201][    C0] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000001


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