======================================
| [   17.051275][  T292] softirqs last disabled at (20669): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   17.051277][  T292] Preemption disabled at:
| [   17.051278][  T292] vprintk_emit (kernel/printk/printk.c:2471)
| [   17.051289][  T292] Tainted: [W]=WARN
[   17.051290][  T292] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.051292][  T292] Call Trace:
[   17.051293][  T292]  <TASK>
[   17.051295][  T292]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   17.051300][  T292]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   17.051302][  T292]  __might_resched.cold (kernel/sched/core.c:9234)
[   17.051307][  T292]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   17.051311][  T292]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   17.051316][  T292]  __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))
[   17.051318][  T292]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.051323][  T292]  ? 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)
[   17.051326][  T292]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.051329][  T292]  put_chars (drivers/char/virtio_console.c:1176)
[   17.051331][  T292]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   17.051333][  T292]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   17.051336][  T292]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.051339][  T292]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   17.051343][  T292]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   17.051346][  T292]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.051347][  T292]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.051352][  T292]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   17.051353][  T292]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   17.051356][  T292]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.051359][  T292]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.051363][  T292]  console_emit_next_record (kernel/printk/printk.c:3183)
[   17.051366][  T292]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   17.051368][  T292]  ? 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))
[   17.051371][  T292]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.051374][  T292]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.051377][  T292]  console_flush_one_record (kernel/printk/printk.c:3268)
[   17.051381][  T292]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   17.051383][  T292]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.051388][  T292]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   17.051391][  T292]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   17.051392][  T292]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.051395][  T292]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   17.051398][  T292]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   17.051400][  T292]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   17.051403][  T292]  vprintk_emit (kernel/printk/printk.c:2479)
[   17.051407][  T292]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   17.051413][  T292]  ? gact_cleanup_module (net/sched/act_gact.c:192) act_gact
[   17.051416][  T292]  _printk (kernel/printk/printk.c:2504)
[   17.051420][  T292]  ? snapshot_read.cold (user.c:?)
[   17.051426][  T292]  ? 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)
[   17.051429][  T292] gact_init_module (net/sched/act_gact.c:180) act_gact
[   17.051431][  T292]  do_one_initcall (init/main.c:1357)
[   17.051433][  T292]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   17.051438][  T292]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   17.051441][  T292]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   17.051445][  T292]  do_init_module (kernel/module/main.c:3117)
[   17.051449][  T292]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   17.051453][  T292]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   17.051456][  T292]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   17.051460][  T292]  load_module (kernel/module/main.c:3593)
[   17.051467][  T292]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   17.051471][  T292]  ? __ia32_sys_fsconfig (??:?)
[   17.051474][  T292]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   17.051478][  T292]  ? backing_file_read_iter (fs/backing-file.c:211)
[   17.051481][  T292]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   17.051484][  T292]  init_module_from_file (kernel/module/main.c:3790)
[   17.051488][  T292]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   17.051495][  T292]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   17.051499][  T292]  ? 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)
[   17.051502][  T292]  idempotent_init_module (kernel/module/main.c:3802)
[   17.051505][  T292]  ? init_module_from_file (kernel/module/main.c:3791)
[   17.051511][  T292]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.051514][  T292]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   17.051519][  T292]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   17.051521][  T292]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   17.051525][  T292]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   17.051527][  T292]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   17.051530][  T292]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.051532][  T292] RIP: 0033:0x7fa320d8337d
[   17.051535][  T292] 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
[   17.051537][  T292] RSP: 002b:00007ffef8fa2aa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   17.051539][  T292] RAX: ffffffffffffffda RBX: 000055834eaf0810 RCX: 00007fa320d8337d
[   17.051541][  T292] RDX: 0000000000000000 RSI: 0000558330b65ffd RDI: 0000000000000000
[   17.051542][  T292] RBP: 00007ffef8fa2b40 R08: 0000000000000000 R09: 0000000000000000
[   17.051542][  T292] R10: 0000000000000000 R11: 0000000000000246 R12: 0000558330b65ffd
[   17.051543][  T292] R13: 000055834eaf0960 R14: 0000000000040000 R15: 0000000000000000
| [   19.734713][  T502] softirqs last disabled at (26001): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   19.734716][  T502] Preemption disabled at:
| [   19.734717][  T502] vprintk_emit (kernel/printk/printk.c:2471)
| [   19.734728][  T502] Tainted: [W]=WARN
[   19.734730][  T502] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.734732][  T502] Call Trace:
[   19.734734][  T502]  <TASK>
[   19.734736][  T502]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   19.734743][  T502]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   19.734746][  T502]  __might_resched.cold (kernel/sched/core.c:9234)
[   19.734752][  T502]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   19.734758][  T502]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   19.734765][  T502]  __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))
[   19.734768][  T502]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.734776][  T502]  ? 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)
[   19.734779][  T502]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.734785][  T502]  put_chars (drivers/char/virtio_console.c:1176)
[   19.734789][  T502]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   19.734791][  T502]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   19.734797][  T502]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   19.734801][  T502]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   19.734809][  T502]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   19.734812][  T502]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.734821][  T502]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   19.734825][  T502]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.734833][  T502]  console_emit_next_record (kernel/printk/printk.c:3183)
[   19.734839][  T502]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   19.734841][  T502]  ? 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))
[   19.734847][  T502]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.734850][  T502]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.734856][  T502]  console_flush_one_record (kernel/printk/printk.c:3268)
[   19.734863][  T502]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   19.734866][  T502]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.734874][  T502]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   19.734879][  T502]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   19.734881][  T502]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.734885][  T502]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   19.734891][  T502]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   19.734893][  T502]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   19.734899][  T502]  vprintk_emit (kernel/printk/printk.c:2479)
[   19.734905][  T502]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   19.734909][  T502]  ? netdev_run_todo (net/core/dev.c:11776)
[   19.734915][  T502]  ? mirred_device_event (net/sched/act_mirred.c:559 (discriminator 1)) act_mirred
[   19.734918][  T502]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.734925][  T502]  ? mirred_cleanup_module (./include/net/netlink.h:1107 (discriminator 1) net/sched/act_mirred.c:549 (discriminator 1)) act_mirred
[   19.734929][  T502]  _printk (kernel/printk/printk.c:2504)
[   19.734938][  T502]  ? snapshot_read.cold (user.c:?)
[   19.734941][  T502]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.734945][  T502]  ? mirred_cleanup_module (./include/net/netlink.h:1107 (discriminator 1) net/sched/act_mirred.c:549 (discriminator 1)) act_mirred
[   19.734948][  T502]  ? __up_write (kernel/locking/rwsem.c:1415)
[   19.734951][  T502]  ? __up_write (kernel/locking/rwsem.c:1422 (discriminator 1))
[   19.734957][  T502]  ? __up_write (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:3390 kernel/locking/rwsem.c:1417)
[   19.734961][  T502] mirred_init_module (net/sched/act_mirred.c:508) act_mirred
[   19.734965][  T502]  do_one_initcall (init/main.c:1357)
[   19.734970][  T502]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   19.734977][  T502]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   19.734981][  T502]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   19.734989][  T502]  do_init_module (kernel/module/main.c:3117)
[   19.734994][  T502]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   19.735000][  T502]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   19.735004][  T502]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   19.735011][  T502]  load_module (kernel/module/main.c:3593)
[   19.735023][  T502]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   19.735030][  T502]  ? __ia32_sys_fsconfig (??:?)
[   19.735033][  T502]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   19.735039][  T502]  ? backing_file_read_iter (fs/backing-file.c:211)
[   19.735043][  T502]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   19.735050][  T502]  init_module_from_file (kernel/module/main.c:3790)
[   19.735055][  T502]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   19.735069][  T502]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   19.735075][  T502]  ? 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)
[   19.735080][  T502]  idempotent_init_module (kernel/module/main.c:3802)
[   19.735085][  T502]  ? init_module_from_file (kernel/module/main.c:3791)
[   19.735096][  T502]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.735100][  T502]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   19.735109][  T502]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   19.735112][  T502]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.735118][  T502]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   19.735120][  T502]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   19.735125][  T502]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.735129][  T502] RIP: 0033:0x7f6eef6e637d
[   19.735133][  T502] 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
[   19.735135][  T502] RSP: 002b:00007ffc14fbec28 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   19.735139][  T502] RAX: ffffffffffffffda RBX: 00005572c1f89810 RCX: 00007f6eef6e637d
[   19.735141][  T502] RDX: 0000000000000000 RSI: 00005572bab9cffd RDI: 0000000000000000
[   19.735143][  T502] RBP: 00007ffc14fbecc0 R08: 0000000000000000 R09: 0000000000000000
[   19.735144][  T502] R10: 0000000000000000 R11: 0000000000000246 R12: 00005572bab9cffd
[   19.735145][  T502] R13: 00005572c1f89960 R14: 0000000000040000 R15: 0000000000000000
| [   27.115859][  T996] softirqs last disabled at (19999): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   27.115862][  T996] Preemption disabled at:
| [   27.115862][  T996] 0x0
| [   27.115872][  T996] Tainted: [W]=WARN
[   27.115873][  T996] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.115875][  T996] Call Trace:
[   27.115876][  T996]  <TASK>
[   27.115878][  T996]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.115885][  T996]  __might_resched.cold (kernel/sched/core.c:9234)
[   27.115889][  T996]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   27.115894][  T996]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   27.115899][  T996]  __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))
[   27.115901][  T996]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.115907][  T996]  ? 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)
[   27.115910][  T996]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.115913][  T996]  put_chars (drivers/char/virtio_console.c:1176)
[   27.115915][  T996]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   27.115917][  T996]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   27.115922][  T996]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   27.115926][  T996]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   27.115933][  T996]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   27.115935][  T996]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.115937][  T996]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.115941][  T996]  console_emit_next_record (kernel/printk/printk.c:3183)
[   27.115945][  T996]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   27.115946][  T996]  ? 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))
[   27.115950][  T996]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.115952][  T996]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.115956][  T996]  console_flush_one_record (kernel/printk/printk.c:3268)
[   27.115964][  T996]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   27.115966][  T996]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.115971][  T996]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   27.115974][  T996]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   27.115976][  T996]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.115978][  T996]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   27.115982][  T996]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   27.115983][  T996]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   27.115987][  T996]  vprintk_emit (kernel/printk/printk.c:2479)
[   27.115990][  T996]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   27.115994][  T996]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.115997][  T996]  _printk (kernel/printk/printk.c:2504)
[   27.116001][  T996]  ? snapshot_read.cold (user.c:?)
[   27.116004][  T996]  ? 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)
[   27.116006][  T996]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.116010][  T996]  ? 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)
[   27.116013][  T996]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   27.116016][  T996]  ? exit_notify (kernel/exit.c:780)
[   27.116018][  T996]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.116021][  T996]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.116025][  T996]  do_group_exit (kernel/exit.c:1151)
[   27.116028][  T996]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   27.116029][  T996]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   27.116032][  T996]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   27.116035][  T996]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   27.116038][  T996]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   27.116040][  T996] RIP: 0033:0x7f3d952da1b8
[   27.116043][  T996] Code: Unable to access opcode bytes at 0x7f3d952da18e.

Code starting with the faulting instruction
===========================================
[   27.116044][  T996] RSP: 002b:00007fffb11bbf28 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   27.116046][  T996] RAX: ffffffffffffffda RBX: 00007f3d9540af88 RCX: 00007f3d952da1b8
[   27.116047][  T996] RDX: 00007f3d95025588 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   27.116048][  T996] RBP: 00007fffb11bbf80 R08: 0000000000000000 R09: 0000000000000000
[   27.116049][  T996] R10: 00007fffb11bbd20 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