======================================
| [   16.911582][  T293] softirqs last disabled at (19923): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   16.911585][  T293] Preemption disabled at:
| [   16.911585][  T293] vprintk_emit (kernel/printk/printk.c:2471)
| [   16.911595][  T293] Tainted: [W]=WARN
[   16.911596][  T293] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.911597][  T293] Call Trace:
[   16.911599][  T293]  <TASK>
[   16.911600][  T293]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   16.911606][  T293]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   16.911608][  T293]  __might_resched.cold (kernel/sched/core.c:9234)
[   16.911613][  T293]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   16.911617][  T293]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   16.911622][  T293]  __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))
[   16.911625][  T293]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.911631][  T293]  ? 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)
[   16.911634][  T293]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.911637][  T293]  put_chars (drivers/char/virtio_console.c:1176)
[   16.911639][  T293]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   16.911641][  T293]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   16.911644][  T293]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.911648][  T293]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.911652][  T293]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   16.911655][  T293]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.911656][  T293]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.911661][  T293]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   16.911663][  T293]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   16.911666][  T293]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.911669][  T293]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.911674][  T293]  console_emit_next_record (kernel/printk/printk.c:3183)
[   16.911678][  T293]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   16.911679][  T293]  ? 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))
[   16.911683][  T293]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.911685][  T293]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.911690][  T293]  console_flush_one_record (kernel/printk/printk.c:3268)
[   16.911694][  T293]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   16.911696][  T293]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.911702][  T293]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   16.911705][  T293]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   16.911707][  T293]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.911709][  T293]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   16.911713][  T293]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   16.911715][  T293]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   16.911718][  T293]  vprintk_emit (kernel/printk/printk.c:2479)
[   16.911723][  T293]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   16.911728][  T293]  ? gact_cleanup_module (net/sched/act_gact.c:192) act_gact
[   16.911732][  T293]  _printk (kernel/printk/printk.c:2504)
[   16.911736][  T293]  ? snapshot_read.cold (user.c:?)
[   16.911742][  T293]  ? 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)
[   16.911746][  T293] gact_init_module (net/sched/act_gact.c:180) act_gact
[   16.911748][  T293]  do_one_initcall (init/main.c:1357)
[   16.911751][  T293]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   16.911756][  T293]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   16.911759][  T293]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   16.911764][  T293]  do_init_module (kernel/module/main.c:3117)
[   16.911768][  T293]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   16.911772][  T293]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   16.911776][  T293]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   16.911780][  T293]  load_module (kernel/module/main.c:3593)
[   16.911788][  T293]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   16.911792][  T293]  ? __ia32_sys_fsconfig (??:?)
[   16.911795][  T293]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   16.911799][  T293]  ? backing_file_read_iter (fs/backing-file.c:211)
[   16.911802][  T293]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   16.911806][  T293]  init_module_from_file (kernel/module/main.c:3790)
[   16.911809][  T293]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   16.911818][  T293]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   16.911822][  T293]  ? 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)
[   16.911825][  T293]  idempotent_init_module (kernel/module/main.c:3802)
[   16.911828][  T293]  ? init_module_from_file (kernel/module/main.c:3791)
[   16.911835][  T293]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.911837][  T293]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   16.911843][  T293]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   16.911846][  T293]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   16.911849][  T293]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   16.911851][  T293]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   16.911854][  T293]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.911857][  T293] RIP: 0033:0x7f7a7fa6037d
[   16.911861][  T293] 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
[   16.911863][  T293] RSP: 002b:00007ffdca91ec98 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   16.911865][  T293] RAX: ffffffffffffffda RBX: 000055e469f11810 RCX: 00007f7a7fa6037d
[   16.911867][  T293] RDX: 0000000000000000 RSI: 000055e42e562ffd RDI: 0000000000000000
[   16.911868][  T293] RBP: 00007ffdca91ed30 R08: 0000000000000000 R09: 0000000000000000
[   16.911869][  T293] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e42e562ffd
[   16.911870][  T293] R13: 000055e469f11960 R14: 0000000000040000 R15: 0000000000000000
| [   19.676248][  T521] softirqs last disabled at (23019): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   19.676250][  T521] Preemption disabled at:
| [   19.676251][  T521] vprintk_emit (kernel/printk/printk.c:2471)
| [   19.676260][  T521] Tainted: [W]=WARN
[   19.676261][  T521] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.676263][  T521] Call Trace:
[   19.676265][  T521]  <TASK>
[   19.676266][  T521]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   19.676272][  T521]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   19.676274][  T521]  __might_resched.cold (kernel/sched/core.c:9234)
[   19.676279][  T521]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   19.676283][  T521]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   19.676289][  T521]  __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))
[   19.676291][  T521]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.676297][  T521]  ? 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)
[   19.676300][  T521]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.676303][  T521]  put_chars (drivers/char/virtio_console.c:1176)
[   19.676306][  T521]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   19.676307][  T521]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   19.676312][  T521]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   19.676315][  T521]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   19.676319][  T521]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   19.676322][  T521]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.676327][  T521]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   19.676329][  T521]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.676335][  T521]  console_emit_next_record (kernel/printk/printk.c:3183)
[   19.676339][  T521]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   19.676340][  T521]  ? 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))
[   19.676344][  T521]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.676346][  T521]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.676350][  T521]  console_flush_one_record (kernel/printk/printk.c:3268)
[   19.676354][  T521]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   19.676356][  T521]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.676361][  T521]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   19.676364][  T521]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   19.676366][  T521]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.676368][  T521]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   19.676372][  T521]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   19.676374][  T521]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   19.676377][  T521]  vprintk_emit (kernel/printk/printk.c:2479)
[   19.676381][  T521]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   19.676384][  T521]  ? netdev_run_todo (net/core/dev.c:11776)
[   19.676388][  T521]  ? mirred_device_event (net/sched/act_mirred.c:559 (discriminator 1)) act_mirred
[   19.676391][  T521]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.676395][  T521]  ? mirred_cleanup_module (./include/net/netlink.h:1107 (discriminator 1) net/sched/act_mirred.c:549 (discriminator 1)) act_mirred
[   19.676397][  T521]  _printk (kernel/printk/printk.c:2504)
[   19.676401][  T521]  ? snapshot_read.cold (user.c:?)
[   19.676403][  T521]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.676406][  T521]  ? mirred_cleanup_module (./include/net/netlink.h:1107 (discriminator 1) net/sched/act_mirred.c:549 (discriminator 1)) act_mirred
[   19.676408][  T521]  ? __up_write (kernel/locking/rwsem.c:1415)
[   19.676410][  T521]  ? __up_write (kernel/locking/rwsem.c:1422 (discriminator 1))
[   19.676413][  T521]  ? __up_write (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:3390 kernel/locking/rwsem.c:1417)
[   19.676416][  T521] mirred_init_module (net/sched/act_mirred.c:508) act_mirred
[   19.676419][  T521]  do_one_initcall (init/main.c:1357)
[   19.676422][  T521]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   19.676427][  T521]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   19.676430][  T521]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   19.676436][  T521]  do_init_module (kernel/module/main.c:3117)
[   19.676440][  T521]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   19.676444][  T521]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   19.676447][  T521]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   19.676451][  T521]  load_module (kernel/module/main.c:3593)
[   19.676459][  T521]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   19.676462][  T521]  ? __ia32_sys_fsconfig (??:?)
[   19.676465][  T521]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   19.676476][  T521]  ? backing_file_read_iter (fs/backing-file.c:211)
[   19.676479][  T521]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   19.676483][  T521]  init_module_from_file (kernel/module/main.c:3790)
[   19.676486][  T521]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   19.676494][  T521]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   19.676497][  T521]  ? 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)
[   19.676500][  T521]  idempotent_init_module (kernel/module/main.c:3802)
[   19.676504][  T521]  ? init_module_from_file (kernel/module/main.c:3791)
[   19.676510][  T521]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.676512][  T521]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   19.676518][  T521]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   19.676520][  T521]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.676524][  T521]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   19.676526][  T521]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   19.676528][  T521]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.676531][  T521] RIP: 0033:0x7f2ac7f7537d
[   19.676534][  T521] 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
[   19.676536][  T521] RSP: 002b:00007fffa4330828 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   19.676539][  T521] RAX: ffffffffffffffda RBX: 0000559ba4e38810 RCX: 00007f2ac7f7537d
[   19.676540][  T521] RDX: 0000000000000000 RSI: 0000559b90b11ffd RDI: 0000000000000000
[   19.676541][  T521] RBP: 00007fffa43308c0 R08: 0000000000000000 R09: 0000000000000000
[   19.676542][  T521] R10: 0000000000000000 R11: 0000000000000246 R12: 0000559b90b11ffd


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