======================================
| [   18.022581][  T300] softirqs last disabled at (17265): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   18.022584][  T300] Preemption disabled at:
| [   18.022584][  T300] vprintk_emit (kernel/printk/printk.c:2471)
| [   18.022593][  T300] Tainted: [W]=WARN
[   18.022594][  T300] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.022596][  T300] Call Trace:
[   18.022598][  T300]  <TASK>
[   18.022599][  T300]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   18.022605][  T300]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   18.022607][  T300]  __might_resched.cold (kernel/sched/core.c:9234)
[   18.022611][  T300]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   18.022615][  T300]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   18.022620][  T300]  __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))
[   18.022623][  T300]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.022628][  T300]  ? 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)
[   18.022631][  T300]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.022634][  T300]  put_chars (drivers/char/virtio_console.c:1176)
[   18.022636][  T300]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   18.022639][  T300]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   18.022642][  T300]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.022645][  T300]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   18.022649][  T300]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   18.022652][  T300]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.022653][  T300]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.022658][  T300]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   18.022659][  T300]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   18.022662][  T300]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.022665][  T300]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.022669][  T300]  console_emit_next_record (kernel/printk/printk.c:3183)
[   18.022673][  T300]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   18.022675][  T300]  ? 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))
[   18.022678][  T300]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.022681][  T300]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.022684][  T300]  console_flush_one_record (kernel/printk/printk.c:3268)
[   18.022689][  T300]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   18.022690][  T300]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.022695][  T300]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   18.022698][  T300]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   18.022700][  T300]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.022702][  T300]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   18.022706][  T300]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   18.022708][  T300]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   18.022711][  T300]  vprintk_emit (kernel/printk/printk.c:2479)
[   18.022715][  T300]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   18.022721][  T300]  ? gact_cleanup_module (net/sched/act_gact.c:192) act_gact
[   18.022724][  T300]  _printk (kernel/printk/printk.c:2504)
[   18.022728][  T300]  ? snapshot_read.cold (user.c:?)
[   18.022734][  T300]  ? 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)
[   18.022737][  T300] gact_init_module (net/sched/act_gact.c:180) act_gact
[   18.022739][  T300]  do_one_initcall (init/main.c:1357)
[   18.022742][  T300]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   18.022746][  T300]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   18.022750][  T300]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   18.022754][  T300]  do_init_module (kernel/module/main.c:3117)
[   18.022758][  T300]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   18.022762][  T300]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   18.022766][  T300]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   18.022770][  T300]  load_module (kernel/module/main.c:3593)
[   18.022780][  T300]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   18.022784][  T300]  ? __ia32_sys_fsconfig (??:?)
[   18.022787][  T300]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   18.022791][  T300]  ? backing_file_read_iter (fs/backing-file.c:211)
[   18.022794][  T300]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   18.022798][  T300]  init_module_from_file (kernel/module/main.c:3790)
[   18.022801][  T300]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   18.022810][  T300]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   18.022813][  T300]  ? 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)
[   18.022816][  T300]  idempotent_init_module (kernel/module/main.c:3802)
[   18.022820][  T300]  ? init_module_from_file (kernel/module/main.c:3791)
[   18.022826][  T300]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.022828][  T300]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   18.022834][  T300]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   18.022836][  T300]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.022840][  T300]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   18.022842][  T300]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   18.022845][  T300]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.022847][  T300] RIP: 0033:0x7f25a517d37d
[   18.022850][  T300] 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
[   18.022852][  T300] RSP: 002b:00007ffe8fc8f868 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   18.022855][  T300] RAX: ffffffffffffffda RBX: 0000556493308810 RCX: 00007f25a517d37d
[   18.022856][  T300] RDX: 0000000000000000 RSI: 000055646985affd RDI: 0000000000000000
[   18.022857][  T300] RBP: 00007ffe8fc8f900 R08: 0000000000000000 R09: 0000000000000000
[   18.022858][  T300] R10: 0000000000000000 R11: 0000000000000246 R12: 000055646985affd
[   18.022859][  T300] R13: 0000556493308960 R14: 0000000000040000 R15: 0000000000000000
| [   60.600423][  T524] softirqs last disabled at (16827): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   60.600425][  T524] Preemption disabled at:
| [   60.600426][  T524] vprintk_emit (kernel/printk/printk.c:2471)
| [   60.600435][  T524] Tainted: [W]=WARN
[   60.600436][  T524] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   60.600438][  T524] Call Trace:
[   60.600440][  T524]  <TASK>
[   60.600441][  T524]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   60.600447][  T524]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   60.600449][  T524]  __might_resched.cold (kernel/sched/core.c:9234)
[   60.600454][  T524]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   60.600458][  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)
[   60.600463][  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))
[   60.600466][  T524]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   60.600472][  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)
[   60.600474][  T524]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   60.600478][  T524]  put_chars (drivers/char/virtio_console.c:1176)
[   60.600481][  T524]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   60.600482][  T524]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   60.600487][  T524]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   60.600489][  T524]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   60.600494][  T524]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   60.600496][  T524]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   60.600501][  T524]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   60.600504][  T524]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   60.600509][  T524]  console_emit_next_record (kernel/printk/printk.c:3183)
[   60.600513][  T524]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   60.600514][  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))
[   60.600517][  T524]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   60.600520][  T524]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   60.600524][  T524]  console_flush_one_record (kernel/printk/printk.c:3268)
[   60.600528][  T524]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   60.600530][  T524]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   60.600535][  T524]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   60.600537][  T524]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   60.600539][  T524]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   60.600542][  T524]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   60.600545][  T524]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   60.600547][  T524]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   60.600550][  T524]  vprintk_emit (kernel/printk/printk.c:2479)
[   60.600554][  T524]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   60.600557][  T524]  ? netdev_run_todo (net/core/dev.c:11776)
[   60.600561][  T524]  ? mirred_device_event (net/sched/act_mirred.c:559 (discriminator 1)) act_mirred
[   60.600564][  T524]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   60.600568][  T524]  ? mirred_cleanup_module (./include/net/netlink.h:1107 (discriminator 1) net/sched/act_mirred.c:549 (discriminator 1)) act_mirred
[   60.600571][  T524]  _printk (kernel/printk/printk.c:2504)
[   60.600574][  T524]  ? snapshot_read.cold (user.c:?)
[   60.600576][  T524]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   60.600579][  T524]  ? mirred_cleanup_module (./include/net/netlink.h:1107 (discriminator 1) net/sched/act_mirred.c:549 (discriminator 1)) act_mirred
[   60.600581][  T524]  ? __up_write (kernel/locking/rwsem.c:1415)
[   60.600582][  T524]  ? __up_write (kernel/locking/rwsem.c:1422 (discriminator 1))
[   60.600586][  T524]  ? __up_write (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:3390 kernel/locking/rwsem.c:1417)
[   60.600588][  T524] mirred_init_module (net/sched/act_mirred.c:508) act_mirred
[   60.600591][  T524]  do_one_initcall (init/main.c:1357)
[   60.600594][  T524]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   60.600599][  T524]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   60.600602][  T524]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   60.600607][  T524]  do_init_module (kernel/module/main.c:3117)
[   60.600610][  T524]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   60.600614][  T524]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   60.600618][  T524]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   60.600622][  T524]  load_module (kernel/module/main.c:3593)
[   60.600629][  T524]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   60.600633][  T524]  ? __ia32_sys_fsconfig (??:?)
[   60.600635][  T524]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   60.600639][  T524]  ? backing_file_read_iter (fs/backing-file.c:211)
[   60.600642][  T524]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   60.600646][  T524]  init_module_from_file (kernel/module/main.c:3790)
[   60.600649][  T524]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   60.600657][  T524]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   60.600661][  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)
[   60.600664][  T524]  idempotent_init_module (kernel/module/main.c:3802)
[   60.600667][  T524]  ? init_module_from_file (kernel/module/main.c:3791)
[   60.600674][  T524]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   60.600676][  T524]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   60.600682][  T524]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   60.600684][  T524]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   60.600688][  T524]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   60.600690][  T524]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   60.600692][  T524]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   60.600695][  T524] RIP: 0033:0x7fba3299737d
[   60.600698][  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
[   60.600700][  T524] RSP: 002b:00007fffd8869d18 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   60.600703][  T524] RAX: ffffffffffffffda RBX: 000055aa82a7d810 RCX: 00007fba3299737d
[   60.600704][  T524] RDX: 0000000000000000 RSI: 000055aa82816ffd RDI: 0000000000000000
[   60.600705][  T524] RBP: 00007fffd8869db0 R08: 0000000000000000 R09: 0000000000000000
[   60.600706][  T524] R10: 0000000000000000 R11: 0000000000000246 R12: 000055aa82816ffd


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