======================================
| [   10.084655][  T186] softirqs last disabled at (32549): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   10.084657][  T186] Preemption disabled at:
| [   10.084658][  T186] 0x0
| [   10.084670][  T186] Tainted: [W]=WARN
[   10.084670][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.084672][  T186] Call Trace:
[   10.084674][  T186]  <TASK>
[   10.084675][  T186]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.084681][  T186]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.084686][  T186]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.084690][  T186]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.084695][  T186]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   10.084697][  T186]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.084703][  T186]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.084706][  T186]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.084709][  T186]  put_chars (drivers/char/virtio_console.c:1176)
[   10.084712][  T186]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.084713][  T186]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.084718][  T186]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.084723][  T186]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.084729][  T186]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.084731][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.084734][  T186]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.084738][  T186]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.084742][  T186]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.084743][  T186]  ? 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))
[   10.084747][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.084749][  T186]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.084753][  T186]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.084757][  T186]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.084759][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.084764][  T186]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.084766][  T186]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.084768][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.084770][  T186]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.084774][  T186]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.084776][  T186]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.084779][  T186]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.084783][  T186]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.084786][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.084790][  T186]  _printk (kernel/printk/printk.c:2504)
[   10.084794][  T186]  ? snapshot_read.cold (user.c:?)
[   10.084796][  T186]  ? 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)
[   10.084799][  T186]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.084803][  T186]  ? 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)
[   10.084805][  T186]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   10.084809][  T186]  ? exit_notify (kernel/exit.c:780)
[   10.084811][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.084814][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.084818][  T186]  do_group_exit (kernel/exit.c:1151)
[   10.084821][  T186]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   10.084823][  T186]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   10.084825][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.084828][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.084831][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.084833][  T186] RIP: 0033:0x7f15dc67b1b8
[   10.084835][  T186] Code: Unable to access opcode bytes at 0x7f15dc67b18e.

Code starting with the faulting instruction
===========================================
[   10.084836][  T186] RSP: 002b:00007ffcf7bdad88 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   10.084839][  T186] RAX: ffffffffffffffda RBX: 00007f15dc7abf88 RCX: 00007f15dc67b1b8
[   10.084840][  T186] RDX: 00007f15dc3c5fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   10.084841][  T186] RBP: 00007ffcf7bdade0 R08: 0000000000000000 R09: 0000000000008010
[   10.084842][  T186] R10: 00007ffcf7bdaba0 R11: 0000000000000246 R12: 0000000000000001
[   10.084843][  T186] R13: 0000000000000000 R14: 00007f15dc7aa680 R15: 00007f15dc7abfa0
| [   28.836515][  T361] softirqs last disabled at (22749): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   28.836518][  T361] Preemption disabled at:
| [   28.836519][  T361] vprintk_emit (kernel/printk/printk.c:2471)
| [   28.836531][  T361] Tainted: [W]=WARN
[   28.836532][  T361] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.836534][  T361] Call Trace:
[   28.836537][  T361]  <TASK>
[   28.836539][  T361]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   28.836546][  T361]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   28.836549][  T361]  __might_resched.cold (kernel/sched/core.c:9234)
[   28.836556][  T361]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   28.836561][  T361]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   28.836569][  T361]  __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))
[   28.836572][  T361]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.836581][  T361]  ? 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)
[   28.836584][  T361]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.836589][  T361]  put_chars (drivers/char/virtio_console.c:1176)
[   28.836592][  T361]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   28.836595][  T361]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   28.836600][  T361]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   28.836604][  T361]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   28.836611][  T361]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   28.836615][  T361]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.836617][  T361]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.836625][  T361]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   28.836627][  T361]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   28.836632][  T361]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.836637][  T361]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.836643][  T361]  console_emit_next_record (kernel/printk/printk.c:3183)
[   28.836650][  T361]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   28.836652][  T361]  ? 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))
[   28.836657][  T361]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.836661][  T361]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.836670][  T361]  console_flush_one_record (kernel/printk/printk.c:3268)
[   28.836676][  T361]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   28.836679][  T361]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.836688][  T361]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   28.836692][  T361]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   28.836695][  T361]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.836698][  T361]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   28.836708][  T361]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   28.836711][  T361]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   28.836716][  T361]  vprintk_emit (kernel/printk/printk.c:2479)
[   28.836723][  T361]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   28.836732][  T361]  ? xfrm_user_exit (net/xfrm/xfrm_user.c:2091) xfrm_user
[   28.836738][  T361]  _printk (kernel/printk/printk.c:2504)
[   28.836743][  T361]  ? snapshot_read.cold (user.c:?)
[   28.836753][  T361]  ? 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)
[   28.836758][  T361] xfrm_user_init (xfrm_user.mod.c:?) xfrm_user
[   28.836762][  T361]  do_one_initcall (init/main.c:1357)
[   28.836766][  T361]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   28.836774][  T361]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   28.836778][  T361]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   28.836785][  T361]  do_init_module (kernel/module/main.c:3117)
[   28.836791][  T361]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   28.836797][  T361]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   28.836802][  T361]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   28.836808][  T361]  load_module (kernel/module/main.c:3593)
[   28.836821][  T361]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   28.836828][  T361]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.836831][  T361]  ? backing_file_read_iter (fs/backing-file.c:211)
[   28.836836][  T361]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   28.836842][  T361]  init_module_from_file (kernel/module/main.c:3790)
[   28.836847][  T361]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   28.836861][  T361]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   28.836867][  T361]  ? 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)
[   28.836871][  T361]  idempotent_init_module (kernel/module/main.c:3802)
[   28.836877][  T361]  ? init_module_from_file (kernel/module/main.c:3791)
[   28.836888][  T361]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.836891][  T361]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   28.836901][  T361]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   28.836904][  T361]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   28.836909][  T361]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   28.836911][  T361]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   28.836916][  T361]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   28.836919][  T361] RIP: 0033:0x7fd12bc6c37d
[   28.836924][  T361] 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
[   28.836926][  T361] RSP: 002b:00007ffe25f0d3f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   28.836930][  T361] RAX: ffffffffffffffda RBX: 0000557493f0a810 RCX: 00007fd12bc6c37d
[   28.836932][  T361] RDX: 0000000000000000 RSI: 00005574797baffd RDI: 0000000000000000
[   28.836934][  T361] RBP: 00007ffe25f0d490 R08: 0000000000000000 R09: 0000000000000000
[   28.836935][  T361] R10: 0000000000000000 R11: 0000000000000246 R12: 00005574797baffd


Finger prints:
__irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
__irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print