======================================
| [   10.375656][  T188] softirqs last disabled at (27087): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   10.375659][  T188] Preemption disabled at:
| [   10.375660][  T188] 0x0
| [   10.375673][  T188] Tainted: [W]=WARN
[   10.375674][  T188] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.375677][  T188] Call Trace:
[   10.375679][  T188]  <TASK>
[   10.375681][  T188]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.375689][  T188]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.375695][  T188]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.375701][  T188]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.375708][  T188]  __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))
[   10.375712][  T188]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.375720][  T188]  ? 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)
[   10.375723][  T188]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.375729][  T188]  put_chars (drivers/char/virtio_console.c:1176)
[   10.375733][  T188]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.375735][  T188]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.375741][  T188]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.375750][  T188]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.375760][  T188]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.375764][  T188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.375768][  T188]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.375775][  T188]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.375781][  T188]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.375783][  T188]  ? 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))
[   10.375789][  T188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.375792][  T188]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.375799][  T188]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.375806][  T188]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.375808][  T188]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.375818][  T188]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.375822][  T188]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.375825][  T188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.375829][  T188]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.375835][  T188]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.375837][  T188]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.375843][  T188]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.375849][  T188]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.375855][  T188]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.375861][  T188]  _printk (kernel/printk/printk.c:2504)
[   10.375866][  T188]  ? snapshot_read.cold (user.c:?)
[   10.375871][  T188]  ? 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)
[   10.375875][  T188]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.375882][  T188]  ? 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)
[   10.375886][  T188]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   10.375892][  T188]  ? exit_notify (kernel/exit.c:780)
[   10.375895][  T188]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.375899][  T188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.375906][  T188]  do_group_exit (kernel/exit.c:1151)
[   10.375911][  T188]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   10.375914][  T188]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   10.375917][  T188]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.375921][  T188]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.375926][  T188]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.375930][  T188] RIP: 0033:0x7f6aeff2d1b8
[   10.375933][  T188] Code: Unable to access opcode bytes at 0x7f6aeff2d18e.

Code starting with the faulting instruction
===========================================
[   10.375935][  T188] RSP: 002b:00007ffc0d97a018 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   10.375938][  T188] RAX: ffffffffffffffda RBX: 00007f6af005df88 RCX: 00007f6aeff2d1b8
[   10.375940][  T188] RDX: 00007f6aefc77fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   10.375942][  T188] RBP: 00007ffc0d97a070 R08: 0000000000000000 R09: 0000000000008010
[   10.375943][  T188] R10: 00007ffc0d979e30 R11: 0000000000000246 R12: 0000000000000001
[   10.375945][  T188] R13: 0000000000000000 R14: 00007f6af005c680 R15: 00007f6af005dfa0
| [   29.246104][  T362] softirqs last disabled at (21995): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   29.246106][  T362] Preemption disabled at:
| [   29.246106][  T362] vprintk_emit (kernel/printk/printk.c:2471)
| [   29.246116][  T362] Tainted: [W]=WARN
[   29.246117][  T362] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.246119][  T362] Call Trace:
[   29.246120][  T362]  <TASK>
[   29.246122][  T362]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   29.246128][  T362]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   29.246130][  T362]  __might_resched.cold (kernel/sched/core.c:9234)
[   29.246135][  T362]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   29.246139][  T362]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   29.246144][  T362]  __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))
[   29.246146][  T362]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.246152][  T362]  ? 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)
[   29.246155][  T362]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.246158][  T362]  put_chars (drivers/char/virtio_console.c:1176)
[   29.246160][  T362]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   29.246162][  T362]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   29.246165][  T362]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   29.246168][  T362]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   29.246172][  T362]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   29.246175][  T362]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.246176][  T362]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.246181][  T362]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   29.246182][  T362]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   29.246185][  T362]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.246188][  T362]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.246192][  T362]  console_emit_next_record (kernel/printk/printk.c:3183)
[   29.246195][  T362]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   29.246197][  T362]  ? 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))
[   29.246200][  T362]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.246202][  T362]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.246206][  T362]  console_flush_one_record (kernel/printk/printk.c:3268)
[   29.246210][  T362]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   29.246212][  T362]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.246216][  T362]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   29.246219][  T362]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   29.246221][  T362]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.246223][  T362]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   29.246227][  T362]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   29.246228][  T362]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   29.246231][  T362]  vprintk_emit (kernel/printk/printk.c:2479)
[   29.246235][  T362]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   29.246241][  T362]  ? xfrm_user_exit (net/xfrm/xfrm_user.c:2091) xfrm_user
[   29.246244][  T362]  _printk (kernel/printk/printk.c:2504)
[   29.246248][  T362]  ? snapshot_read.cold (user.c:?)
[   29.246254][  T362]  ? 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)
[   29.246257][  T362] xfrm_user_init (xfrm_user.mod.c:?) xfrm_user
[   29.246260][  T362]  do_one_initcall (init/main.c:1357)
[   29.246262][  T362]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   29.246270][  T362]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   29.246274][  T362]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   29.246279][  T362]  do_init_module (kernel/module/main.c:3117)
[   29.246282][  T362]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   29.246286][  T362]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   29.246289][  T362]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   29.246293][  T362]  load_module (kernel/module/main.c:3593)
[   29.246300][  T362]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   29.246305][  T362]  ? backing_file_read_iter (fs/backing-file.c:211)
[   29.246309][  T362]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   29.246313][  T362]  init_module_from_file (kernel/module/main.c:3790)
[   29.246316][  T362]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   29.246323][  T362]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   29.246327][  T362]  ? 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)
[   29.246330][  T362]  idempotent_init_module (kernel/module/main.c:3802)
[   29.246333][  T362]  ? init_module_from_file (kernel/module/main.c:3791)
[   29.246339][  T362]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.246341][  T362]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   29.246347][  T362]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   29.246349][  T362]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   29.246353][  T362]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   29.246355][  T362]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   29.246357][  T362]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.246360][  T362] RIP: 0033:0x7f3590c9f37d
[   29.246363][  T362] 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
[   29.246365][  T362] RSP: 002b:00007ffd65399448 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   29.246369][  T362] RAX: ffffffffffffffda RBX: 000056004eabe810 RCX: 00007f3590c9f37d
[   29.246370][  T362] RDX: 0000000000000000 RSI: 000056002eadaffd RDI: 0000000000000000
[   29.246371][  T362] RBP: 00007ffd653994e0 R08: 0000000000000000 R09: 0000000000000000
[   29.246372][  T362] R10: 0000000000000000 R11: 0000000000000246 R12: 000056002eadaffd


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