======================================
| [   17.395620][  T293] softirqs last disabled at (18521): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   17.395622][  T293] Preemption disabled at:
| [   17.395623][  T293] vprintk_emit (kernel/printk/printk.c:2471)
| [   17.395632][  T293] Tainted: [W]=WARN
[   17.395633][  T293] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.395635][  T293] Call Trace:
[   17.395636][  T293]  <TASK>
[   17.395638][  T293]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   17.395644][  T293]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   17.395646][  T293]  __might_resched.cold (kernel/sched/core.c:9234)
[   17.395650][  T293]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   17.395654][  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)
[   17.395660][  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))
[   17.395662][  T293]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.395668][  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)
[   17.395671][  T293]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.395674][  T293]  put_chars (drivers/char/virtio_console.c:1176)
[   17.395676][  T293]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   17.395678][  T293]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   17.395681][  T293]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.395685][  T293]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   17.395689][  T293]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   17.395692][  T293]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.395693][  T293]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.395698][  T293]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   17.395699][  T293]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   17.395702][  T293]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.395706][  T293]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.395710][  T293]  console_emit_next_record (kernel/printk/printk.c:3183)
[   17.395714][  T293]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   17.395716][  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))
[   17.395719][  T293]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.395721][  T293]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.395725][  T293]  console_flush_one_record (kernel/printk/printk.c:3268)
[   17.395730][  T293]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   17.395732][  T293]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.395737][  T293]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   17.395740][  T293]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   17.395742][  T293]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.395744][  T293]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   17.395748][  T293]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   17.395749][  T293]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   17.395753][  T293]  vprintk_emit (kernel/printk/printk.c:2479)
[   17.395757][  T293]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   17.395763][  T293]  ? gact_cleanup_module (net/sched/act_gact.c:192) act_gact
[   17.395766][  T293]  _printk (kernel/printk/printk.c:2504)
[   17.395770][  T293]  ? snapshot_read.cold (user.c:?)
[   17.395776][  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)
[   17.395780][  T293] gact_init_module (net/sched/act_gact.c:180) act_gact
[   17.395782][  T293]  do_one_initcall (init/main.c:1357)
[   17.395785][  T293]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   17.395789][  T293]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   17.395792][  T293]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   17.395797][  T293]  do_init_module (kernel/module/main.c:3117)
[   17.395801][  T293]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   17.395805][  T293]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   17.395809][  T293]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   17.395813][  T293]  load_module (kernel/module/main.c:3593)
[   17.395821][  T293]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   17.395825][  T293]  ? __ia32_sys_fsconfig (??:?)
[   17.395828][  T293]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.395831][  T293]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   17.395835][  T293]  init_module_from_file (kernel/module/main.c:3790)
[   17.395838][  T293]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   17.395846][  T293]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   17.395850][  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)
[   17.395853][  T293]  idempotent_init_module (kernel/module/main.c:3802)
[   17.395857][  T293]  ? init_module_from_file (kernel/module/main.c:3791)
[   17.395863][  T293]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.395869][  T293]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   17.395875][  T293]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   17.395877][  T293]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   17.395881][  T293]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   17.395883][  T293]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   17.395886][  T293]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.395888][  T293] RIP: 0033:0x7fe9ceb9837d
[   17.395891][  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
[   17.395893][  T293] RSP: 002b:00007ffe7a5bb198 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   17.395896][  T293] RAX: ffffffffffffffda RBX: 0000559e7214d810 RCX: 00007fe9ceb9837d
[   17.395897][  T293] RDX: 0000000000000000 RSI: 0000559e55bfdffd RDI: 0000000000000000
[   17.395898][  T293] RBP: 00007ffe7a5bb230 R08: 0000000000000000 R09: 0000000000000000
[   17.395899][  T293] R10: 0000000000000000 R11: 0000000000000246 R12: 0000559e55bfdffd
[   17.395900][  T293] R13: 0000559e7214d960 R14: 0000000000040000 R15: 0000000000000000
| [   20.080793][  T515] softirqs last disabled at (22635): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   20.080796][  T515] Preemption disabled at:
| [   20.080796][  T515] vprintk_emit (kernel/printk/printk.c:2471)
| [   20.080806][  T515] Tainted: [W]=WARN
[   20.080807][  T515] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.080809][  T515] Call Trace:
[   20.080810][  T515]  <TASK>
[   20.080812][  T515]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   20.080817][  T515]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   20.080820][  T515]  __might_resched.cold (kernel/sched/core.c:9234)
[   20.080824][  T515]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   20.080828][  T515]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   20.080834][  T515]  __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))
[   20.080836][  T515]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.080842][  T515]  ? 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)
[   20.080845][  T515]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.080848][  T515]  put_chars (drivers/char/virtio_console.c:1176)
[   20.080851][  T515]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   20.080852][  T515]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   20.080857][  T515]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.080860][  T515]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   20.080864][  T515]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   20.080869][  T515]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.080874][  T515]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   20.080876][  T515]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.080882][  T515]  console_emit_next_record (kernel/printk/printk.c:3183)
[   20.080885][  T515]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   20.080888][  T515]  ? 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))
[   20.080891][  T515]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.080893][  T515]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.080897][  T515]  console_flush_one_record (kernel/printk/printk.c:3268)
[   20.080901][  T515]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   20.080903][  T515]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.080908][  T515]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   20.080911][  T515]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   20.080913][  T515]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.080915][  T515]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   20.080919][  T515]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   20.080921][  T515]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   20.080924][  T515]  vprintk_emit (kernel/printk/printk.c:2479)
[   20.080929][  T515]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   20.080931][  T515]  ? netdev_run_todo (net/core/dev.c:11776)
[   20.080936][  T515]  ? mirred_device_event (net/sched/act_mirred.c:559 (discriminator 1)) act_mirred
[   20.080939][  T515]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.080943][  T515]  ? mirred_cleanup_module (./include/net/netlink.h:1107 (discriminator 1) net/sched/act_mirred.c:549 (discriminator 1)) act_mirred
[   20.080945][  T515]  _printk (kernel/printk/printk.c:2504)
[   20.080949][  T515]  ? snapshot_read.cold (user.c:?)
[   20.080951][  T515]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   20.080954][  T515]  ? mirred_cleanup_module (./include/net/netlink.h:1107 (discriminator 1) net/sched/act_mirred.c:549 (discriminator 1)) act_mirred
[   20.080955][  T515]  ? __up_write (kernel/locking/rwsem.c:1415)
[   20.080957][  T515]  ? __up_write (kernel/locking/rwsem.c:1422 (discriminator 1))
[   20.080961][  T515]  ? __up_write (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:3390 kernel/locking/rwsem.c:1417)
[   20.080963][  T515] mirred_init_module (net/sched/act_mirred.c:508) act_mirred
[   20.080966][  T515]  do_one_initcall (init/main.c:1357)
[   20.080969][  T515]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   20.080974][  T515]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   20.080977][  T515]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   20.080982][  T515]  do_init_module (kernel/module/main.c:3117)
[   20.080985][  T515]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   20.080990][  T515]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   20.080993][  T515]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   20.080997][  T515]  load_module (kernel/module/main.c:3593)
[   20.081004][  T515]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   20.081008][  T515]  ? __ia32_sys_fsconfig (??:?)
[   20.081011][  T515]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   20.081015][  T515]  ? backing_file_read_iter (fs/backing-file.c:211)
[   20.081018][  T515]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   20.081022][  T515]  init_module_from_file (kernel/module/main.c:3790)
[   20.081025][  T515]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   20.081033][  T515]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   20.081037][  T515]  ? 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)
[   20.081040][  T515]  idempotent_init_module (kernel/module/main.c:3802)
[   20.081044][  T515]  ? init_module_from_file (kernel/module/main.c:3791)
[   20.081054][  T515]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.081057][  T515]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   20.081063][  T515]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   20.081065][  T515]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   20.081069][  T515]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   20.081071][  T515]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   20.081073][  T515]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.081076][  T515] RIP: 0033:0x7fcf8758037d
[   20.081079][  T515] 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
[   20.081081][  T515] RSP: 002b:00007ffe146a8b38 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   20.081084][  T515] RAX: ffffffffffffffda RBX: 00005555fdfc8810 RCX: 00007fcf8758037d
[   20.081085][  T515] RDX: 0000000000000000 RSI: 00005555cb8c2ffd RDI: 0000000000000000
[   20.081086][  T515] RBP: 00007ffe146a8bd0 R08: 0000000000000000 R09: 0000000000000000
[   20.081087][  T515] R10: 0000000000000000 R11: 0000000000000246 R12: 00005555cb8c2ffd
[   20.081088][  T515] R13: 00005555fdfc8960 R14: 0000000000040000 R15: 0000000000000000
| [   23.571069][  T757] softirqs last disabled at (23077): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   23.571071][  T757] Preemption disabled at:
| [   23.571072][  T757] 0x0
| [   23.571082][  T757] Tainted: [W]=WARN
[   23.571083][  T757] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.571085][  T757] Call Trace:
[   23.571086][  T757]  <TASK>
[   23.571088][  T757]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   23.571094][  T757]  __might_resched.cold (kernel/sched/core.c:9234)
[   23.571099][  T757]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   23.571103][  T757]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   23.571109][  T757]  __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))
[   23.571111][  T757]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.571117][  T757]  ? 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)
[   23.571120][  T757]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.571123][  T757]  put_chars (drivers/char/virtio_console.c:1176)
[   23.571126][  T757]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   23.571127][  T757]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   23.571132][  T757]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   23.571137][  T757]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   23.571144][  T757]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   23.571146][  T757]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.571148][  T757]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.571152][  T757]  console_emit_next_record (kernel/printk/printk.c:3183)
[   23.571156][  T757]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   23.571158][  T757]  ? 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))
[   23.571161][  T757]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.571164][  T757]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.571167][  T757]  console_flush_one_record (kernel/printk/printk.c:3268)
[   23.571172][  T757]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   23.571173][  T757]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.571179][  T757]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   23.571181][  T757]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   23.571183][  T757]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.571186][  T757]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   23.571189][  T757]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   23.571191][  T757]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   23.571194][  T757]  vprintk_emit (kernel/printk/printk.c:2479)
[   23.571198][  T757]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   23.571202][  T757]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.571205][  T757]  _printk (kernel/printk/printk.c:2504)
[   23.571209][  T757]  ? snapshot_read.cold (user.c:?)
[   23.571212][  T757]  ? 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)
[   23.571214][  T757]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   23.571218][  T757]  ? 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)
[   23.571221][  T757]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   23.571225][  T757]  ? exit_notify (kernel/exit.c:780)
[   23.571227][  T757]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.571230][  T757]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.571234][  T757]  do_group_exit (kernel/exit.c:1151)
[   23.571237][  T757]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   23.571239][  T757]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   23.571241][  T757]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   23.571244][  T757]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   23.571248][  T757]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.571250][  T757] RIP: 0033:0x7fdf195271b8
[   23.571252][  T757] Code: Unable to access opcode bytes at 0x7fdf1952718e.

Code starting with the faulting instruction
===========================================
[   23.571253][  T757] RSP: 002b:00007ffc6295cb78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   23.571256][  T757] RAX: ffffffffffffffda RBX: 00007fdf19657f88 RCX: 00007fdf195271b8
[   23.571257][  T757] RDX: 00007fdf19272588 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   23.571258][  T757] RBP: 00007ffc6295cbd0 R08: 0000000000000000 R09: 0000000000000000
[   23.571259][  T757] R10: 00007ffc6295c970 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