======================================
| [   16.824399][  T297] softirqs last disabled at (17005): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   16.824402][  T297] Preemption disabled at:
| [   16.824402][  T297] vprintk_emit (kernel/printk/printk.c:2471)
| [   16.824412][  T297] Tainted: [W]=WARN
[   16.824413][  T297] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.824414][  T297] Call Trace:
[   16.824416][  T297]  <TASK>
[   16.824417][  T297]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   16.824423][  T297]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   16.824425][  T297]  __might_resched.cold (kernel/sched/core.c:9234)
[   16.824430][  T297]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   16.824434][  T297]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   16.824439][  T297]  __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))
[   16.824442][  T297]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.824447][  T297]  ? 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)
[   16.824450][  T297]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.824453][  T297]  put_chars (drivers/char/virtio_console.c:1176)
[   16.824455][  T297]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   16.824457][  T297]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   16.824460][  T297]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.824464][  T297]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.824468][  T297]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   16.824471][  T297]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.824473][  T297]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.824477][  T297]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   16.824478][  T297]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   16.824482][  T297]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.824485][  T297]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.824489][  T297]  console_emit_next_record (kernel/printk/printk.c:3183)
[   16.824493][  T297]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   16.824494][  T297]  ? 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))
[   16.824497][  T297]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.824500][  T297]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.824504][  T297]  console_flush_one_record (kernel/printk/printk.c:3268)
[   16.824508][  T297]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   16.824510][  T297]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.824515][  T297]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   16.824518][  T297]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   16.824519][  T297]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.824522][  T297]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   16.824525][  T297]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   16.824527][  T297]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   16.824530][  T297]  vprintk_emit (kernel/printk/printk.c:2479)
[   16.824534][  T297]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   16.824540][  T297]  ? gact_cleanup_module (net/sched/act_gact.c:192) act_gact
[   16.824543][  T297]  _printk (kernel/printk/printk.c:2504)
[   16.824547][  T297]  ? snapshot_read.cold (user.c:?)
[   16.824553][  T297]  ? 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)
[   16.824556][  T297] gact_init_module (net/sched/act_gact.c:180) act_gact
[   16.824558][  T297]  do_one_initcall (init/main.c:1357)
[   16.824561][  T297]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   16.824566][  T297]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   16.824569][  T297]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   16.824574][  T297]  do_init_module (kernel/module/main.c:3117)
[   16.824577][  T297]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   16.824585][  T297]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   16.824588][  T297]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   16.824592][  T297]  load_module (kernel/module/main.c:3593)
[   16.824600][  T297]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   16.824604][  T297]  ? __ia32_sys_fsconfig (??:?)
[   16.824606][  T297]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   16.824611][  T297]  ? backing_file_read_iter (fs/backing-file.c:211)
[   16.824614][  T297]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   16.824618][  T297]  init_module_from_file (kernel/module/main.c:3790)
[   16.824621][  T297]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   16.824630][  T297]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   16.824634][  T297]  ? 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)
[   16.824637][  T297]  idempotent_init_module (kernel/module/main.c:3802)
[   16.824641][  T297]  ? init_module_from_file (kernel/module/main.c:3791)
[   16.824647][  T297]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.824649][  T297]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   16.824655][  T297]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   16.824657][  T297]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   16.824661][  T297]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   16.824663][  T297]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   16.824666][  T297]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.824668][  T297] RIP: 0033:0x7f9ef1d1f37d
[   16.824671][  T297] 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
[   16.824673][  T297] RSP: 002b:00007ffef742a848 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   16.824676][  T297] RAX: ffffffffffffffda RBX: 000055eac86ec810 RCX: 00007f9ef1d1f37d
[   16.824677][  T297] RDX: 0000000000000000 RSI: 000055eaa4a43ffd RDI: 0000000000000000
[   16.824678][  T297] RBP: 00007ffef742a8e0 R08: 0000000000000000 R09: 0000000000000000
[   16.824679][  T297] R10: 0000000000000000 R11: 0000000000000246 R12: 000055eaa4a43ffd
[   16.824680][  T297] R13: 000055eac86ec960 R14: 0000000000040000 R15: 0000000000000000
| [   58.793460][  T524] softirqs last disabled at (18867): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   58.793463][  T524] Preemption disabled at:
| [   58.793464][  T524] vprintk_emit (kernel/printk/printk.c:2471)
| [   58.793474][  T524] Tainted: [W]=WARN
[   58.793474][  T524] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.793476][  T524] Call Trace:
[   58.793478][  T524]  <TASK>
[   58.793480][  T524]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   58.793485][  T524]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   58.793488][  T524]  __might_resched.cold (kernel/sched/core.c:9234)
[   58.793492][  T524]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   58.793497][  T524]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   58.793502][  T524]  __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))
[   58.793504][  T524]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   58.793510][  T524]  ? 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)
[   58.793513][  T524]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   58.793516][  T524]  put_chars (drivers/char/virtio_console.c:1176)
[   58.793519][  T524]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   58.793520][  T524]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   58.793525][  T524]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   58.793528][  T524]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   58.793532][  T524]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   58.793535][  T524]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   58.793540][  T524]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   58.793543][  T524]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.793548][  T524]  console_emit_next_record (kernel/printk/printk.c:3183)
[   58.793552][  T524]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   58.793554][  T524]  ? 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))
[   58.793557][  T524]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.793559][  T524]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   58.793563][  T524]  console_flush_one_record (kernel/printk/printk.c:3268)
[   58.793567][  T524]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   58.793569][  T524]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   58.793574][  T524]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   58.793577][  T524]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   58.793579][  T524]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.793581][  T524]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   58.793587][  T524]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   58.793588][  T524]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   58.793592][  T524]  vprintk_emit (kernel/printk/printk.c:2479)
[   58.793596][  T524]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   58.793599][  T524]  ? netdev_run_todo (net/core/dev.c:11776)
[   58.793603][  T524]  ? mirred_device_event (net/sched/act_mirred.c:559 (discriminator 1)) act_mirred
[   58.793606][  T524]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.793610][  T524]  ? mirred_cleanup_module (./include/net/netlink.h:1107 (discriminator 1) net/sched/act_mirred.c:549 (discriminator 1)) act_mirred
[   58.793612][  T524]  _printk (kernel/printk/printk.c:2504)
[   58.793616][  T524]  ? snapshot_read.cold (user.c:?)
[   58.793618][  T524]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   58.793621][  T524]  ? mirred_cleanup_module (./include/net/netlink.h:1107 (discriminator 1) net/sched/act_mirred.c:549 (discriminator 1)) act_mirred
[   58.793622][  T524]  ? __up_write (kernel/locking/rwsem.c:1415)
[   58.793624][  T524]  ? __up_write (kernel/locking/rwsem.c:1422 (discriminator 1))
[   58.793628][  T524]  ? __up_write (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:3390 kernel/locking/rwsem.c:1417)
[   58.793630][  T524] mirred_init_module (net/sched/act_mirred.c:508) act_mirred
[   58.793633][  T524]  do_one_initcall (init/main.c:1357)
[   58.793636][  T524]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   58.793641][  T524]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   58.793644][  T524]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   58.793648][  T524]  do_init_module (kernel/module/main.c:3117)
[   58.793652][  T524]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   58.793657][  T524]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   58.793660][  T524]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   58.793664][  T524]  load_module (kernel/module/main.c:3593)
[   58.793671][  T524]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   58.793675][  T524]  ? __ia32_sys_fsconfig (??:?)
[   58.793678][  T524]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   58.793682][  T524]  ? backing_file_read_iter (fs/backing-file.c:211)
[   58.793686][  T524]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   58.793689][  T524]  init_module_from_file (kernel/module/main.c:3790)
[   58.793693][  T524]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   58.793701][  T524]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   58.793704][  T524]  ? 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)
[   58.793707][  T524]  idempotent_init_module (kernel/module/main.c:3802)
[   58.793711][  T524]  ? init_module_from_file (kernel/module/main.c:3791)
[   58.793717][  T524]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.793720][  T524]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   58.793726][  T524]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   58.793728][  T524]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   58.793731][  T524]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   58.793733][  T524]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   58.793736][  T524]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   58.793738][  T524] RIP: 0033:0x7f13230c337d
[   58.793742][  T524] 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
[   58.793744][  T524] RSP: 002b:00007fff3d699348 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   58.793746][  T524] RAX: ffffffffffffffda RBX: 00005560677cc810 RCX: 00007f13230c337d
[   58.793748][  T524] RDX: 0000000000000000 RSI: 0000556056b28ffd RDI: 0000000000000000
[   58.793749][  T524] RBP: 00007fff3d6993e0 R08: 0000000000000000 R09: 0000000000000000
[   58.793750][  T524] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556056b28ffd
[   58.793750][  T524] R13: 00005560677cc960 R14: 0000000000040000 R15: 0000000000000000
| [   68.942209][  T536] softirqs last disabled at (16245): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   68.942212][  T536] Preemption disabled at:
| [   68.942212][  T536] 0x0
| [   68.942223][  T536] Tainted: [W]=WARN
[   68.942224][  T536] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.942226][  T536] Call Trace:
[   68.942228][  T536]  <TASK>
[   68.942229][  T536]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   68.942235][  T536]  __might_resched.cold (kernel/sched/core.c:9234)
[   68.942240][  T536]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   68.942245][  T536]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   68.942250][  T536]  __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))
[   68.942252][  T536]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   68.942258][  T536]  ? 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)
[   68.942261][  T536]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   68.942264][  T536]  put_chars (drivers/char/virtio_console.c:1176)
[   68.942267][  T536]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   68.942268][  T536]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   68.942274][  T536]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   68.942279][  T536]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   68.942285][  T536]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   68.942287][  T536]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.942290][  T536]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   68.942294][  T536]  console_emit_next_record (kernel/printk/printk.c:3183)
[   68.942298][  T536]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   68.942299][  T536]  ? 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))
[   68.942303][  T536]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.942305][  T536]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   68.942309][  T536]  console_flush_one_record (kernel/printk/printk.c:3268)
[   68.942313][  T536]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   68.942315][  T536]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   68.942320][  T536]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   68.942323][  T536]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   68.942325][  T536]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.942327][  T536]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   68.942331][  T536]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   68.942332][  T536]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   68.942336][  T536]  vprintk_emit (kernel/printk/printk.c:2479)
[   68.942341][  T536]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   68.942347][  T536]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   68.942352][  T536]  _printk (kernel/printk/printk.c:2504)
[   68.942357][  T536]  ? snapshot_read.cold (user.c:?)
[   68.942359][  T536]  ? 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)
[   68.942362][  T536]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   68.942366][  T536]  ? 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)
[   68.942368][  T536]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   68.942372][  T536]  ? exit_notify (kernel/exit.c:780)
[   68.942374][  T536]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   68.942377][  T536]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.942381][  T536]  do_group_exit (kernel/exit.c:1151)
[   68.942384][  T536]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   68.942386][  T536]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   68.942388][  T536]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   68.942391][  T536]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   68.942394][  T536]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   68.942397][  T536] RIP: 0033:0x7f6440bd51b8
[   68.942399][  T536] Code: Unable to access opcode bytes at 0x7f6440bd518e.

Code starting with the faulting instruction
===========================================
[   68.942401][  T536] RSP: 002b:00007ffc6ee510c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   68.942403][  T536] RAX: ffffffffffffffda RBX: 00007f6440d05f88 RCX: 00007f6440bd51b8
[   68.942405][  T536] RDX: 00007f6440920588 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   68.942406][  T536] RBP: 00007ffc6ee51120 R08: 0000000000000000 R09: 0000000000000000
[   68.942407][  T536] R10: 00007ffc6ee50ec0 R11: 0000000000000246 R12: 0000000000000001


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