======================================
| [   10.558256][  T221] softirqs last disabled at (34373): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   10.558258][  T221] Preemption disabled at:
| [   10.558258][  T221] 0x0
| [   10.558269][  T221] Tainted: [W]=WARN
[   10.558270][  T221] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.558271][  T221] Call Trace:
[   10.558273][  T221]  <TASK>
[   10.558275][  T221]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.558282][  T221]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.558286][  T221]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.558290][  T221]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.558295][  T221]  __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))
[   10.558297][  T221]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.558303][  T221]  ? 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)
[   10.558306][  T221]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.558310][  T221]  put_chars (drivers/char/virtio_console.c:1176)
[   10.558313][  T221]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.558314][  T221]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.558318][  T221]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.558323][  T221]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.558331][  T221]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.558333][  T221]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.558335][  T221]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.558339][  T221]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.558343][  T221]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.558345][  T221]  ? 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))
[   10.558348][  T221]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.558350][  T221]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.558354][  T221]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.558358][  T221]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.558360][  T221]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.558366][  T221]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.558369][  T221]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.558371][  T221]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.558372][  T221]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   10.558376][  T221]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.558378][  T221]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.558380][  T221]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.558384][  T221]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.558387][  T221]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.558390][  T221]  _printk (kernel/printk/printk.c:2504)
[   10.558394][  T221]  ? snapshot_read.cold (user.c:?)
[   10.558397][  T221]  ? 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)
[   10.558399][  T221]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.558403][  T221]  ? 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)
[   10.558406][  T221]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   10.558410][  T221]  ? exit_notify (kernel/exit.c:780)
[   10.558411][  T221]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.558414][  T221]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.558418][  T221]  do_group_exit (kernel/exit.c:1151)
[   10.558421][  T221]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   10.558422][  T221]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   10.558425][  T221]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.558429][  T221]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.558432][  T221]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.558434][  T221] RIP: 0033:0x7fa9e80d11b8
[   10.558437][  T221] Code: Unable to access opcode bytes at 0x7fa9e80d118e.

Code starting with the faulting instruction
===========================================
[   10.558438][  T221] RSP: 002b:00007ffcd0386408 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   10.558440][  T221] RAX: ffffffffffffffda RBX: 00007fa9e8201f88 RCX: 00007fa9e80d11b8
[   10.558442][  T221] RDX: 00007fa9e7e1bfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   10.558443][  T221] RBP: 00007ffcd0386460 R08: 0000000000000000 R09: 0000000000000000
[   10.558443][  T221] R10: 00007ffcd0386220 R11: 0000000000000246 R12: 0000000000000001
[   10.558444][  T221] R13: 0000000000000000 R14: 00007fa9e8200680 R15: 00007fa9e8201fa0
| [   11.996631][  T263] softirqs last disabled at (36771): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   11.996634][  T263] Preemption disabled at:
| [   11.996634][  T263] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.996643][  T263] Tainted: [W]=WARN
[   11.996645][  T263] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.996646][  T263] Call Trace:
[   11.996648][  T263]  <TASK>
[   11.996649][  T263]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.996655][  T263]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.996657][  T263]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.996661][  T263]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.996665][  T263]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.996670][  T263]  __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))
[   11.996672][  T263]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.996679][  T263]  ? 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)
[   11.996682][  T263]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.996686][  T263]  put_chars (drivers/char/virtio_console.c:1176)
[   11.996687][  T263]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   11.996690][  T263]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.996693][  T263]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.996696][  T263]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.996701][  T263]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.996704][  T263]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.996706][  T263]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.996711][  T263]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.996713][  T263]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   11.996716][  T263]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.996718][  T263]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.996722][  T263]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.996726][  T263]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.996728][  T263]  ? 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))
[   11.996732][  T263]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.996733][  T263]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.996737][  T263]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.996741][  T263]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.996743][  T263]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.996749][  T263]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.996752][  T263]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.996753][  T263]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.996755][  T263]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   11.996759][  T263]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.996761][  T263]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.996763][  T263]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.996771][  T263]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.996776][  T263]  ? mpls_exit (net/mpls/af_mpls.c:81 (discriminator 9)) mpls_router
[   11.996780][  T263]  _printk (kernel/printk/printk.c:2504)
[   11.996783][  T263]  ? snapshot_read.cold (user.c:?)
[   11.996789][  T263]  ? 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)
[   11.996793][  T263] mpls_gso_init (./include/linux/skbuff.h:3058 net/mpls/mpls_gso.c:30) mpls_gso
[   11.996795][  T263]  do_one_initcall (init/main.c:1357)
[   11.996798][  T263]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   11.996803][  T263]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   11.996805][  T263]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   11.996811][  T263]  do_init_module (kernel/module/main.c:3117)
[   11.996814][  T263]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   11.996818][  T263]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   11.996821][  T263]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   11.996824][  T263]  load_module (kernel/module/main.c:3593)
[   11.996829][  T263]  ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11))
[   11.996834][  T263]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   11.996837][  T263]  ? __ia32_sys_fsconfig (??:?)
[   11.996841][  T263]  ? backing_file_read_iter (fs/backing-file.c:211)
[   11.996845][  T263]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.996849][  T263]  init_module_from_file (kernel/module/main.c:3790)
[   11.996851][  T263]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   11.996859][  T263]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   11.996863][  T263]  ? 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)
[   11.996866][  T263]  idempotent_init_module (kernel/module/main.c:3802)
[   11.996869][  T263]  ? init_module_from_file (kernel/module/main.c:3791)
[   11.996874][  T263]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   11.996877][  T263]  ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769)
[   11.996882][  T263]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   11.996883][  T263]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.996887][  T263]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.996890][  T263]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.996893][  T263]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.996895][  T263] RIP: 0033:0x7f3ee9d6b37d
[   11.996898][  T263] 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
[   11.996900][  T263] RSP: 002b:00007fff58df5098 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   11.996903][  T263] RAX: ffffffffffffffda RBX: 00005571c02c0bc0 RCX: 00007f3ee9d6b37d
[   11.996904][  T263] RDX: 0000000000000000 RSI: 00005571ac6aaffd RDI: 0000000000000002
[   11.996905][  T263] RBP: 00007fff58df5130 R08: 0000000000000000 R09: 0000000000000000
[   11.996906][  T263] R10: 0000000000000000 R11: 0000000000000246 R12: 00005571ac6aaffd


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