======================================
| [   18.308557][  T298] softirqs last disabled at (14455): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   18.308560][  T298] Preemption disabled at:
| [   18.308561][  T298] vprintk_emit (kernel/printk/printk.c:2471)
| [   18.308569][  T298] Tainted: [W]=WARN
[   18.308570][  T298] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.308572][  T298] Call Trace:
[   18.308573][  T298]  <TASK>
[   18.308575][  T298]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   18.308581][  T298]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   18.308583][  T298]  __might_resched.cold (kernel/sched/core.c:9234)
[   18.308587][  T298]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   18.308591][  T298]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   18.308596][  T298]  __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))
[   18.308599][  T298]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.308604][  T298]  ? 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)
[   18.308607][  T298]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.308610][  T298]  put_chars (drivers/char/virtio_console.c:1176)
[   18.308612][  T298]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   18.308614][  T298]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   18.308616][  T298]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.308620][  T298]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   18.308624][  T298]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   18.308626][  T298]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.308628][  T298]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.308632][  T298]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   18.308633][  T298]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   18.308636][  T298]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.308639][  T298]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.308643][  T298]  console_emit_next_record (kernel/printk/printk.c:3183)
[   18.308647][  T298]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   18.308649][  T298]  ? 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))
[   18.308652][  T298]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.308654][  T298]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.308658][  T298]  console_flush_one_record (kernel/printk/printk.c:3268)
[   18.308661][  T298]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   18.308663][  T298]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.308668][  T298]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   18.308671][  T298]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   18.308673][  T298]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.308675][  T298]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   18.308678][  T298]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   18.308680][  T298]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   18.308683][  T298]  vprintk_emit (kernel/printk/printk.c:2479)
[   18.308687][  T298]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   18.308692][  T298]  ? gact_cleanup_module (net/sched/act_gact.c:192) act_gact
[   18.308696][  T298]  _printk (kernel/printk/printk.c:2504)
[   18.308700][  T298]  ? snapshot_read.cold (user.c:?)
[   18.308706][  T298]  ? 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)
[   18.308709][  T298] gact_init_module (net/sched/act_gact.c:180) act_gact
[   18.308711][  T298]  do_one_initcall (init/main.c:1357)
[   18.308713][  T298]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   18.308719][  T298]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   18.308723][  T298]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   18.308727][  T298]  do_init_module (kernel/module/main.c:3117)
[   18.308731][  T298]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   18.308735][  T298]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   18.308738][  T298]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   18.308742][  T298]  load_module (kernel/module/main.c:3593)
[   18.308749][  T298]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   18.308753][  T298]  ? __ia32_sys_fsconfig (??:?)
[   18.308755][  T298]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   18.308760][  T298]  ? backing_file_read_iter (fs/backing-file.c:211)
[   18.308763][  T298]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   18.308766][  T298]  init_module_from_file (kernel/module/main.c:3790)
[   18.308769][  T298]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   18.308777][  T298]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   18.308780][  T298]  ? 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)
[   18.308783][  T298]  idempotent_init_module (kernel/module/main.c:3802)
[   18.308787][  T298]  ? init_module_from_file (kernel/module/main.c:3791)
[   18.308793][  T298]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.308795][  T298]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   18.308801][  T298]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   18.308803][  T298]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.308806][  T298]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   18.308808][  T298]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   18.308811][  T298]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.308813][  T298] RIP: 0033:0x7f85b431737d
[   18.308817][  T298] 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
[   18.308818][  T298] RSP: 002b:00007ffd15174d28 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   18.308821][  T298] RAX: ffffffffffffffda RBX: 0000559cfa8bc810 RCX: 00007f85b431737d
[   18.308822][  T298] RDX: 0000000000000000 RSI: 0000559cdf1f8ffd RDI: 0000000000000000
[   18.308823][  T298] RBP: 00007ffd15174dc0 R08: 0000000000000000 R09: 0000000000000000
[   18.308824][  T298] R10: 0000000000000000 R11: 0000000000000246 R12: 0000559cdf1f8ffd
[   18.308825][  T298] R13: 0000559cfa8bc960 R14: 0000000000040000 R15: 0000000000000000
| [   60.426846][  T525] softirqs last disabled at (23415): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   60.426849][  T525] Preemption disabled at:
| [   60.426850][  T525] vprintk_emit (kernel/printk/printk.c:2471)
| [   60.426862][  T525] Tainted: [W]=WARN
[   60.426863][  T525] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   60.426866][  T525] Call Trace:
[   60.426868][  T525]  <TASK>
[   60.426870][  T525]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   60.426877][  T525]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   60.426881][  T525]  __might_resched.cold (kernel/sched/core.c:9234)
[   60.426887][  T525]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   60.426892][  T525]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   60.426899][  T525]  __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))
[   60.426903][  T525]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   60.426911][  T525]  ? 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)
[   60.426915][  T525]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   60.426920][  T525]  put_chars (drivers/char/virtio_console.c:1176)
[   60.426924][  T525]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   60.426926][  T525]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   60.426932][  T525]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   60.426936][  T525]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   60.426943][  T525]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   60.426947][  T525]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   60.426955][  T525]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   60.426959][  T525]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   60.426967][  T525]  console_emit_next_record (kernel/printk/printk.c:3183)
[   60.426973][  T525]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   60.426976][  T525]  ? 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))
[   60.426981][  T525]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   60.426984][  T525]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   60.426991][  T525]  console_flush_one_record (kernel/printk/printk.c:3268)
[   60.426998][  T525]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   60.427000][  T525]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   60.427009][  T525]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   60.427013][  T525]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   60.427016][  T525]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   60.427019][  T525]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   60.427025][  T525]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   60.427027][  T525]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   60.427033][  T525]  vprintk_emit (kernel/printk/printk.c:2479)
[   60.427040][  T525]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   60.427044][  T525]  ? netdev_run_todo (net/core/dev.c:11776)
[   60.427048][  T525]  ? mirred_device_event (net/sched/act_mirred.c:559 (discriminator 1)) act_mirred
[   60.427052][  T525]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   60.427059][  T525]  ? mirred_cleanup_module (./include/net/netlink.h:1107 (discriminator 1) net/sched/act_mirred.c:549 (discriminator 1)) act_mirred
[   60.427062][  T525]  _printk (kernel/printk/printk.c:2504)
[   60.427067][  T525]  ? snapshot_read.cold (user.c:?)
[   60.427070][  T525]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   60.427074][  T525]  ? mirred_cleanup_module (./include/net/netlink.h:1107 (discriminator 1) net/sched/act_mirred.c:549 (discriminator 1)) act_mirred
[   60.427077][  T525]  ? __up_write (kernel/locking/rwsem.c:1415)
[   60.427080][  T525]  ? __up_write (kernel/locking/rwsem.c:1422 (discriminator 1))
[   60.427086][  T525]  ? __up_write (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:3390 kernel/locking/rwsem.c:1417)
[   60.427090][  T525] mirred_init_module (net/sched/act_mirred.c:508) act_mirred
[   60.427094][  T525]  do_one_initcall (init/main.c:1357)
[   60.427099][  T525]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   60.427107][  T525]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   60.427111][  T525]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   60.427118][  T525]  do_init_module (kernel/module/main.c:3117)
[   60.427124][  T525]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   60.427129][  T525]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   60.427134][  T525]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   60.427146][  T525]  load_module (kernel/module/main.c:3593)
[   60.427158][  T525]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   60.427164][  T525]  ? __ia32_sys_fsconfig (??:?)
[   60.427169][  T525]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   60.427173][  T525]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   60.427179][  T525]  init_module_from_file (kernel/module/main.c:3790)
[   60.427184][  T525]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   60.427198][  T525]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   60.427204][  T525]  ? 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)
[   60.427208][  T525]  idempotent_init_module (kernel/module/main.c:3802)
[   60.427214][  T525]  ? init_module_from_file (kernel/module/main.c:3791)
[   60.427224][  T525]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   60.427228][  T525]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   60.427236][  T525]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   60.427239][  T525]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   60.427244][  T525]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   60.427247][  T525]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   60.427251][  T525]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   60.427254][  T525] RIP: 0033:0x7f1b7fcea37d
[   60.427259][  T525] 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
[   60.427261][  T525] RSP: 002b:00007fff965ae4b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   60.427265][  T525] RAX: ffffffffffffffda RBX: 00005567eeadf810 RCX: 00007f1b7fcea37d
[   60.427267][  T525] RDX: 0000000000000000 RSI: 00005567b6ffdffd RDI: 0000000000000000
[   60.427268][  T525] RBP: 00007fff965ae550 R08: 0000000000000000 R09: 0000000000000000
[   60.427270][  T525] R10: 0000000000000000 R11: 0000000000000246 R12: 00005567b6ffdffd


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