======================================
| [    9.887947][  T187] softirqs last disabled at (35071): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [    9.887949][  T187] Preemption disabled at:
| [    9.887950][  T187] 0x0
| [    9.887960][  T187] Tainted: [W]=WARN
[    9.887961][  T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.887962][  T187] Call Trace:
[    9.887964][  T187]  <TASK>
[    9.887965][  T187]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    9.887971][  T187]  __might_resched.cold (kernel/sched/core.c:9234)
[    9.887976][  T187]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[    9.887980][  T187]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[    9.887985][  T187]  __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))
[    9.887987][  T187]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.887993][  T187]  ? 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)
[    9.887996][  T187]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.887999][  T187]  put_chars (drivers/char/virtio_console.c:1176)
[    9.888002][  T187]  ? __send_to_port (drivers/char/virtio_console.c:654)
[    9.888003][  T187]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    9.888008][  T187]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    9.888013][  T187]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[    9.888019][  T187]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[    9.888021][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.888024][  T187]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.888028][  T187]  console_emit_next_record (kernel/printk/printk.c:3183)
[    9.888031][  T187]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    9.888033][  T187]  ? 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))
[    9.888036][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.888039][  T187]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.888043][  T187]  console_flush_one_record (kernel/printk/printk.c:3268)
[    9.888047][  T187]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    9.888049][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.888054][  T187]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    9.888057][  T187]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    9.888058][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.888061][  T187]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[    9.888065][  T187]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    9.888067][  T187]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    9.888071][  T187]  vprintk_emit (kernel/printk/printk.c:2479)
[    9.888075][  T187]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    9.888079][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.888082][  T187]  _printk (kernel/printk/printk.c:2504)
[    9.888086][  T187]  ? snapshot_read.cold (user.c:?)
[    9.888089][  T187]  ? 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)
[    9.888091][  T187]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    9.888095][  T187]  ? 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)
[    9.888098][  T187]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[    9.888101][  T187]  ? exit_notify (kernel/exit.c:780)
[    9.888103][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.888106][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.888110][  T187]  do_group_exit (kernel/exit.c:1151)
[    9.888113][  T187]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[    9.888115][  T187]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[    9.888117][  T187]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    9.888120][  T187]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    9.888123][  T187]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.888125][  T187] RIP: 0033:0x7fdfd79021b8
[    9.888127][  T187] Code: Unable to access opcode bytes at 0x7fdfd790218e.

Code starting with the faulting instruction
===========================================
[    9.888129][  T187] RSP: 002b:00007ffc753b2e38 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[    9.888131][  T187] RAX: ffffffffffffffda RBX: 00007fdfd7a32f88 RCX: 00007fdfd79021b8
[    9.888133][  T187] RDX: 00007fdfd764cfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[    9.888134][  T187] RBP: 00007ffc753b2e90 R08: 0000000000000000 R09: 0000000000008010
[    9.888134][  T187] R10: 00007ffc753b2c50 R11: 0000000000000246 R12: 0000000000000001
[    9.888135][  T187] R13: 0000000000000000 R14: 00007fdfd7a31680 R15: 00007fdfd7a32fa0
| [    9.912271][    C0]
| [    9.912272][    C0]
| [    9.912272][    C0] stack backtrace:
| [    9.912278][    C0] Tainted: [W]=WARN
[    9.912279][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.912280][    C0] Call Trace:
[    9.912282][    C0]  <IRQ>
[    9.912283][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    9.912287][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[    9.912290][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[    9.912291][    C0]  ? add_lock_to_list (./include/linux/find.h:391 kernel/locking/lockdep.c:1419 kernel/locking/lockdep.c:1450)
[    9.912295][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[    9.912296][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[    9.912298][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[    9.912300][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    9.912302][    C0]  ? console_trylock_spinning (kernel/printk/printk.c:2026 (discriminator 2))
[    9.912304][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.912307][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.912309][    C0]  console_trylock_spinning (kernel/printk/printk.c:2026 (discriminator 2))
[    9.912311][    C0]  ? console_trylock_spinning (kernel/printk/printk.c:2026 (discriminator 2))
[    9.912313][    C0]  vprintk_emit (kernel/printk/printk.c:2478)
[    9.912315][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    9.912317][    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))
[    9.912319][    C0]  _printk (kernel/printk/printk.c:2504)
[    9.912321][    C0]  ? snapshot_read.cold (user.c:?)
[    9.912323][    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))
[    9.912324][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.912327][    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))
[    9.912328][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[    9.912330][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[    9.912331][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[    9.912333][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[    9.912335][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[    9.912338][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    9.912340][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.912342][    C0]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[    9.912344][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[    9.912345][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[    9.912348][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[    9.912349][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.912352][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    9.912354][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[    9.912356][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[    9.912358][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.912360][    C0]  handle_softirqs (kernel/softirq.c:645)
[    9.912362][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.912363][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[    9.912365][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[    9.912367][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[    9.912368][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[    9.912370][    C0]  </IRQ>
[    9.912370][    C0]  <TASK>
[    9.912371][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[    9.912373][    C0] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 12) kernel/locking/spinlock.c:221 (discriminator 12))
[    9.912376][    C0] Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 c1 bf ba fd 48 89 df e8 c9 15 bb fd f7 c5 00 02 00 00 75 1f 9c 58 f6 c4 02 75 2f <bf> 01 00 00 00 e8 70 df ac fd 65 48 83 3d af 1b f3 01 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 bf ba fd       	call   0xfffffffffdbabfd4
  13:	48 89 df             	mov    %rbx,%rdi
  16:	e8 c9 15 bb fd       	call   0xfffffffffdbb15e4
  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 df ac fd       	call   0xfffffffffdacdfa4
  34:	65 48 83 3d af 1b f3 	cmpq   $0x0,%gs:0x1f31baf(%rip)        # 0x1f31bec
  3b:	01 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 df ac fd       	call   0xfffffffffdacdf7a
   a:	65 48 83 3d af 1b f3 	cmpq   $0x0,%gs:0x1f31baf(%rip)        # 0x1f31bc2
  11:	01 00 
  13:	74 12                	je     0x27
  15:	5b                   	pop    %rbx
[    9.912377][    C0] RSP: 0018:ffa00000004b6ea8 EFLAGS: 00000246
[    9.912380][    C0] RAX: 0000000000000096 RBX: ff11000005875bc0 RCX: ffffffff88da7483
[    9.912381][    C0] RDX: ff1100000ccac6c0 RSI: ffffffff89638b1c RDI: ffffffff8908d8e0
[    9.912382][    C0] RBP: 0000000000000246 R08: 0000000000000000 R09: 0000000000000000
[    9.912383][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: ff11000005875bc0
[    9.912383][    C0] R13: ffd40000002c9690 R14: ffd40000002c9680 R15: ff1100000b25a568
[    9.912385][    C0]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[    9.912388][    C0]  get_from_partial_node (./include/linux/spinlock.h:425 (discriminator 3) mm/slub.c:3943 (discriminator 3))
[    9.912389][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    9.912391][    C0]  ___slab_alloc (mm/slub.c:4034 (discriminator 1) mm/slub.c:4564 (discriminator 1))
[    9.912393][    C0]  ? __pcs_replace_empty_main (mm/slub.c:4737 (discriminator 20))
[    9.912395][    C0]  kmem_cache_alloc_noprof (mm/slub.c:4987 mm/slub.c:5010)
[    9.912397][    C0]  ? fuse_request_alloc (fs/fuse/dev.c:48 (discriminator 7))
[    9.912398][    C0]  fuse_request_alloc (fs/fuse/dev.c:48 (discriminator 7))
[    9.912400][    C0]  fuse_get_req (fs/fuse/dev.c:133)
[    9.912401][    C0]  ? fuse_dev_open (fs/fuse/dev.c:1687)
[    9.912403][    C0]  ? from_vfsuid (fs/mnt_idmapping.c:165)
[    9.912405][    C0]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.912408][    C0]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.912410][    C0]  fuse_chan_send (fs/fuse/dev.c:833)
[    9.912412][    C0]  fuse_lookup_name (fs/fuse/fuse_i.h:1012 fs/fuse/dir.c:586)
[    9.912414][    C0]  ? fuse_create (fs/fuse/dir.c:1098)
[    9.912416][    C0]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    9.912419][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    9.912420][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.912422][    C0]  ? __d_lookup_rcu (fs/dcache.c:2502 (discriminator 9))
[    9.912424][    C0]  fuse_lookup (fs/fuse/dir.c:633 (discriminator 1))
[    9.912426][    C0]  ? d_alloc_parallel (./include/linux/bit_spinlock.h:45 ./include/linux/list_bl.h:149 fs/dcache.c:2806)
[    9.912427][    C0]  ? fuse_lookup_name (fs/fuse/dir.c:604)
[    9.912429][    C0]  ? lookup_slow (./include/linux/fs.h:1039 fs/namei.c:1935)
[    9.912431][    C0]  ? down_read (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:3297 kernel/locking/rwsem.c:251 kernel/locking/rwsem.c:1290 kernel/locking/rwsem.c:1304 kernel/locking/rwsem.c:1576)
[    9.912433][    C0]  ? down_read (kernel/locking/rwsem.c:1298 (discriminator 1) kernel/locking/rwsem.c:1304 (discriminator 1) kernel/locking/rwsem.c:1576 (discriminator 1))
[    9.912434][    C0]  ? down_write_killable_nested (./arch/x86/include/asm/atomic64_64.h:20)
[    9.912436][    C0]  __lookup_slow (fs/namei.c:1919)
[    9.912438][    C0]  lookup_slow (fs/namei.c:1936)
[    9.912439][    C0]  ovl_lookup_single (fs/overlayfs/namei.c:216 (discriminator 1) fs/overlayfs/namei.c:260 (discriminator 1))
[    9.912442][    C0]  ? ovl_acceptable (fs/overlayfs/namei.c:87)
[    9.912445][    C0]  ovl_lookup_layer (fs/overlayfs/namei.c:365)
[    9.912447][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.912449][    C0]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[    9.912451][    C0]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.912452][    C0]  ? ovl_lookup_single (fs/overlayfs/namei.c:48)
[    9.912454][    C0]  ? ovl_lookup_layers (fs/overlayfs/namei.c:1149)
[    9.912456][    C0]  ovl_lookup_layers (fs/overlayfs/namei.c:1168)
[    9.912459][    C0]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[    9.912461][    C0]  ? ovl_lookup_index (./include/linux/dcache.h:564)
[    9.912462][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.912464][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    9.912466][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.912467][    C0]  ? __d_lookup_rcu (fs/dcache.c:2502 (discriminator 9))
[    9.912469][    C0]  ovl_lookup (fs/overlayfs/namei.c:1403)
[    9.912470][    C0]  ? d_alloc_parallel (./include/linux/bit_spinlock.h:45 ./include/linux/list_bl.h:149 fs/dcache.c:2806)
[    9.912471][    C0]  ? d_alloc_parallel (./include/linux/bit_spinlock.h:98 (discriminator 1) ./include/linux/list_bl.h:155 (discriminator 1) fs/dcache.c:2860 (discriminator 1))
[    9.912473][    C0]  ? ovl_verify_lowerdata (fs/overlayfs/namei.c:439)
[    9.912475][    C0]  ? __d_lookup_rcu (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.912476][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.912478][    C0]  ? down_read (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:3297 kernel/locking/rwsem.c:251 kernel/locking/rwsem.c:1290 kernel/locking/rwsem.c:1304 kernel/locking/rwsem.c:1576)
[    9.912480][    C0]  ? down_read (kernel/locking/rwsem.c:1298 (discriminator 1) kernel/locking/rwsem.c:1304 (discriminator 1) kernel/locking/rwsem.c:1576 (discriminator 1))
[    9.912481][    C0]  ? down_write_killable_nested (./arch/x86/include/asm/atomic64_64.h:20)
[    9.912483][    C0]  __lookup_slow (fs/namei.c:1919)
[    9.912484][    C0]  lookup_slow (fs/namei.c:1936)
[    9.912486][    C0]  link_path_walk (fs/namei.c:2282 fs/namei.c:2656)
[    9.912488][    C0]  ? path_init (fs/namei.c:2720)
[    9.912489][    C0]  ? __raw_spin_lock_init (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/spinlock_debug.c:25)
[    9.912491][    C0]  ? vfs_rename (./include/linux/list.h:457 (discriminator 5))
[    9.912492][    C0]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[    9.912494][    C0]  ? init_file.isra.0 (./include/linux/instrumented.h:97 ./include/linux/atomic/atomic-instrumented.h:3223 ./include/linux/file_ref.h:61 fs/file_table.c:229)
[    9.912496][    C0]  path_openat (fs/namei.c:4996 (discriminator 1))
[    9.912498][    C0]  ? kernel_tmpfile_open (fs/namei.c:4942)
[    9.912500][    C0]  ? _raw_write_unlock_irqrestore (??:?)
[    9.912501][    C0]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    9.912504][    C0]  do_file_open (fs/namei.c:5029)
[    9.912506][    C0]  ? path_openat (./include/linux/mount.h:68 (discriminator 3))
[    9.912507][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.912511][    C0]  ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:201 (discriminator 1) kernel/locking/spinlock.c:213 (discriminator 1))
[    9.912512][    C0]  ? alloc_fd (./include/linux/spinlock.h:401 fs/file.c:610)
[    9.912515][    C0]  do_sys_openat2 (fs/open.c:1417 (discriminator 5))
[    9.912517][    C0]  ? build_open_flags (fs/open.c:1319 (discriminator 3))
[    9.912519][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    9.912521][    C0]  __x64_sys_openat (fs/open.c:1423 fs/open.c:1439 fs/open.c:1434 fs/open.c:1434)
[    9.912523][    C0]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[    9.912525][    C0]  ? __ia32_sys_open (fs/open.c:1427)
[    9.912526][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.912528][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    9.912530][    C0]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    9.912532][    C0]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    9.912533][    C0]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.912535][    C0] RIP: 0033:0x7f143c70e54e
[    9.912537][    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
[    9.912538][    C0] RSP: 002b:00007ffcb0273940 EFLAGS: 00000202 ORIG_RAX: 0000000000000101
[    9.912540][    C0] RAX: ffffffffffffffda RBX: 000000003f7ba010 RCX: 00007f143c70e54e
[    9.912541][    C0] RDX: 0000000000000000 RSI: 0000000000480922 RDI: ffffffffffffff9c
[    9.912542][    C0] RBP: 00007ffcb0273950 R08: 0000000000000000 R09: 0000000000000000
[    9.912542][    C0] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000008
[    9.912543][    C0] R13: 0000000000480dc3 R14: 0000000000480dc3 R15: 0000000000000001
| [   15.654682][  T246] softirqs last disabled at (0): 0x0
| [   15.654684][  T246] Preemption disabled at:
| [   15.654684][  T246] vprintk_emit (kernel/printk/printk.c:2471)
| [   15.654695][  T246] Tainted: [W]=WARN
[   15.654696][  T246] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.654698][  T246] Call Trace:
[   15.654700][  T246]  <TASK>
[   15.654701][  T246]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   15.654706][  T246]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   15.654708][  T246]  __might_resched.cold (kernel/sched/core.c:9234)
[   15.654712][  T246]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   15.654715][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.654719][  T246]  __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))
[   15.654723][  T246]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   15.654726][  T246]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.654730][  T246]  ? 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)
[   15.654732][  T246]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.654734][  T246]  put_chars (drivers/char/virtio_console.c:1176)
[   15.654735][  T246]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   15.654737][  T246]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   15.654739][  T246]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   15.654741][  T246]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   15.654745][  T246]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   15.654746][  T246]  ? 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)
[   15.654748][  T246]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   15.654749][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.654751][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.654753][  T246]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.654755][  T246]  console_emit_next_record (kernel/printk/printk.c:3183)
[   15.654757][  T246]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   15.654759][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.654761][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.654763][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.654764][  T246]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.654766][  T246]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   15.654768][  T246]  console_flush_one_record (kernel/printk/printk.c:3268)
[   15.654770][  T246]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   15.654773][  T246]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   15.654775][  T246]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.654776][  T246]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   15.654778][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.654780][  T246]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   15.654781][  T246]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   15.654782][  T246]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   15.654784][  T246]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   15.654787][  T246]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   15.654789][  T246]  vprintk_emit (kernel/printk/printk.c:2479)
[   15.654791][  T246]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   15.654796][  T246]  ? gact_cleanup_module (net/sched/act_gact.c:192) act_gact
[   15.654799][  T246]  _printk (kernel/printk/printk.c:2504)
[   15.654802][  T246]  ? snapshot_read.cold (user.c:?)
[   15.654806][  T246]  ? do_one_initcall (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/initcall.h:27 init/main.c:1356)
[   15.654808][  T246] gact_init_module (net/sched/act_gact.c:180) act_gact
[   15.654810][  T246]  do_one_initcall (init/main.c:1357)
[   15.654812][  T246]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   15.654815][  T246]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   15.654818][  T246]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   15.654820][  T246]  do_init_module (kernel/module/main.c:3117)
[   15.654823][  T246]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   15.654825][  T246]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   15.654827][  T246]  load_module (kernel/module/main.c:3593)
[   15.654831][  T246]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   15.654833][  T246]  ? __ia32_sys_fsconfig (??:?)
[   15.654836][  T246]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   15.654839][  T246]  ? backing_file_read_iter (fs/backing-file.c:211)
[   15.654842][  T246]  init_module_from_file (kernel/module/main.c:3790)
[   15.654844][  T246]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   15.654846][  T246]  ? ovl_mmap (fs/overlayfs/file.c:477)
[   15.654849][  T246]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   15.654851][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.654853][  T246]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   15.654854][  T246]  ? 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)
[   15.654856][  T246]  idempotent_init_module (kernel/module/main.c:3802)
[   15.654858][  T246]  ? init_module_from_file (kernel/module/main.c:3791)
[   15.654861][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.654863][  T246]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   15.654867][  T246]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   15.654869][  T246]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.654871][  T246]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   15.654875][  T246]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   15.654877][  T246]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.654879][  T246] RIP: 0033:0x7f6f6d08437d
[   15.654881][  T246] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48
All code
========
   0:	ff c3                	inc    %ebx
   2:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   9:	00 00 00 
   c:	90                   	nop
   d:	f3 0f 1e fa          	endbr64
  11:	48 89 f8             	mov    %rdi,%rax
  14:	48 89 f7             	mov    %rsi,%rdi
  17:	48 89 d6             	mov    %rdx,%rsi
  1a:	48 89 ca             	mov    %rcx,%rdx
  1d:	4d 89 c2             	mov    %r8,%r10
  20:	4d 89 c8             	mov    %r9,%r8
  23:	4c 8b 4c 24 08       	mov    0x8(%rsp),%r9
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa85
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa5b
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   15.654883][  T246] RSP: 002b:00007fff2a19d828 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   15.654886][  T246] RAX: ffffffffffffffda RBX: 0000559b31448810 RCX: 00007f6f6d08437d
[   15.654888][  T246] RDX: 0000000000000000 RSI: 0000559b150bdffd RDI: 0000000000000000
[   15.654889][  T246] RBP: 00007fff2a19d8c0 R08: 0000000000000000 R09: 0000000000000000
[   15.654890][  T246] R10: 0000000000000000 R11: 0000000000000246 R12: 0000559b150bdffd


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