======================================
| [   16.557979][  T292] softirqs last disabled at (22641): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   16.557981][  T292] Preemption disabled at:
| [   16.557982][  T292] vprintk_emit (kernel/printk/printk.c:2471)
| [   16.557991][  T292] Tainted: [W]=WARN
[   16.557992][  T292] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.557994][  T292] Call Trace:
[   16.557995][  T292]  <TASK>
[   16.557997][  T292]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   16.558002][  T292]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   16.558005][  T292]  __might_resched.cold (kernel/sched/core.c:9234)
[   16.558009][  T292]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   16.558013][  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)
[   16.558018][  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))
[   16.558020][  T292]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.558026][  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)
[   16.558029][  T292]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.558032][  T292]  put_chars (drivers/char/virtio_console.c:1176)
[   16.558034][  T292]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   16.558036][  T292]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   16.558039][  T292]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.558043][  T292]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.558047][  T292]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   16.558049][  T292]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.558051][  T292]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.558055][  T292]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   16.558057][  T292]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   16.558060][  T292]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.558063][  T292]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.558066][  T292]  console_emit_next_record (kernel/printk/printk.c:3183)
[   16.558075][  T292]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   16.558077][  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))
[   16.558080][  T292]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.558082][  T292]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.558086][  T292]  console_flush_one_record (kernel/printk/printk.c:3268)
[   16.558090][  T292]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   16.558092][  T292]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.558097][  T292]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   16.558100][  T292]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   16.558102][  T292]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.558104][  T292]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   16.558108][  T292]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   16.558109][  T292]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   16.558113][  T292]  vprintk_emit (kernel/printk/printk.c:2479)
[   16.558117][  T292]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   16.558123][  T292]  ? gact_cleanup_module (net/sched/act_gact.c:192) act_gact
[   16.558126][  T292]  _printk (kernel/printk/printk.c:2504)
[   16.558130][  T292]  ? snapshot_read.cold (user.c:?)
[   16.558136][  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)
[   16.558139][  T292] gact_init_module (net/sched/act_gact.c:180) act_gact
[   16.558142][  T292]  do_one_initcall (init/main.c:1357)
[   16.558144][  T292]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   16.558149][  T292]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   16.558152][  T292]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   16.558156][  T292]  do_init_module (kernel/module/main.c:3117)
[   16.558160][  T292]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   16.558164][  T292]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   16.558167][  T292]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   16.558171][  T292]  load_module (kernel/module/main.c:3593)
[   16.558180][  T292]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   16.558186][  T292]  ? __ia32_sys_fsconfig (??:?)
[   16.558190][  T292]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.558193][  T292]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   16.558197][  T292]  init_module_from_file (kernel/module/main.c:3790)
[   16.558200][  T292]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   16.558208][  T292]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   16.558212][  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)
[   16.558215][  T292]  idempotent_init_module (kernel/module/main.c:3802)
[   16.558221][  T292]  ? init_module_from_file (kernel/module/main.c:3791)
[   16.558228][  T292]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.558230][  T292]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   16.558236][  T292]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   16.558238][  T292]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   16.558242][  T292]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   16.558244][  T292]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   16.558246][  T292]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.558248][  T292] RIP: 0033:0x7f0895cb937d
[   16.558252][  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
[   16.558253][  T292] RSP: 002b:00007ffd6e7dda98 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   16.558256][  T292] RAX: ffffffffffffffda RBX: 000056125aeb4810 RCX: 00007f0895cb937d
[   16.558258][  T292] RDX: 0000000000000000 RSI: 0000561240177ffd RDI: 0000000000000000
[   16.558258][  T292] RBP: 00007ffd6e7ddb30 R08: 0000000000000000 R09: 0000000000000000
[   16.558259][  T292] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561240177ffd
[   16.558260][  T292] R13: 000056125aeb4960 R14: 0000000000040000 R15: 0000000000000000
| [   19.208377][  T528] softirqs last disabled at (25611): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   19.208380][  T528] Preemption disabled at:
| [   19.208381][  T528] vprintk_emit (kernel/printk/printk.c:2471)
| [   19.208393][  T528] Tainted: [W]=WARN
[   19.208394][  T528] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.208396][  T528] Call Trace:
[   19.208398][  T528]  <TASK>
[   19.208400][  T528]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   19.208407][  T528]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   19.208411][  T528]  __might_resched.cold (kernel/sched/core.c:9234)
[   19.208417][  T528]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   19.208423][  T528]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   19.208430][  T528]  __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))
[   19.208436][  T528]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.208445][  T528]  ? 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)
[   19.208449][  T528]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.208454][  T528]  put_chars (drivers/char/virtio_console.c:1176)
[   19.208458][  T528]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   19.208460][  T528]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   19.208467][  T528]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   19.208471][  T528]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   19.208479][  T528]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   19.208482][  T528]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.208491][  T528]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   19.208496][  T528]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.208505][  T528]  console_emit_next_record (kernel/printk/printk.c:3183)
[   19.208511][  T528]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   19.208514][  T528]  ? 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))
[   19.208519][  T528]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.208522][  T528]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.208529][  T528]  console_flush_one_record (kernel/printk/printk.c:3268)
[   19.208536][  T528]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   19.208539][  T528]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.208548][  T528]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   19.208553][  T528]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   19.208555][  T528]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.208559][  T528]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   19.208566][  T528]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   19.208568][  T528]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   19.208574][  T528]  vprintk_emit (kernel/printk/printk.c:2479)
[   19.208580][  T528]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   19.208585][  T528]  ? netdev_run_todo (net/core/dev.c:11776)
[   19.208590][  T528]  ? mirred_device_event (net/sched/act_mirred.c:559 (discriminator 1)) act_mirred
[   19.208594][  T528]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.208601][  T528]  ? mirred_cleanup_module (./include/net/netlink.h:1107 (discriminator 1) net/sched/act_mirred.c:549 (discriminator 1)) act_mirred
[   19.208604][  T528]  _printk (kernel/printk/printk.c:2504)
[   19.208609][  T528]  ? snapshot_read.cold (user.c:?)
[   19.208612][  T528]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.208617][  T528]  ? mirred_cleanup_module (./include/net/netlink.h:1107 (discriminator 1) net/sched/act_mirred.c:549 (discriminator 1)) act_mirred
[   19.208620][  T528]  ? __up_write (kernel/locking/rwsem.c:1415)
[   19.208623][  T528]  ? __up_write (kernel/locking/rwsem.c:1422 (discriminator 1))
[   19.208629][  T528]  ? __up_write (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:3390 kernel/locking/rwsem.c:1417)
[   19.208633][  T528] mirred_init_module (net/sched/act_mirred.c:508) act_mirred
[   19.208638][  T528]  do_one_initcall (init/main.c:1357)
[   19.208643][  T528]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   19.208651][  T528]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   19.208655][  T528]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   19.208662][  T528]  do_init_module (kernel/module/main.c:3117)
[   19.208668][  T528]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   19.208674][  T528]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   19.208679][  T528]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   19.208686][  T528]  load_module (kernel/module/main.c:3593)
[   19.208699][  T528]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   19.208705][  T528]  ? __ia32_sys_fsconfig (??:?)
[   19.208709][  T528]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   19.208715][  T528]  ? backing_file_read_iter (fs/backing-file.c:211)
[   19.208719][  T528]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   19.208726][  T528]  init_module_from_file (kernel/module/main.c:3790)
[   19.208731][  T528]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   19.208746][  T528]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   19.208752][  T528]  ? 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)
[   19.208757][  T528]  idempotent_init_module (kernel/module/main.c:3802)
[   19.208762][  T528]  ? init_module_from_file (kernel/module/main.c:3791)
[   19.208774][  T528]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.208777][  T528]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   19.208786][  T528]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   19.208789][  T528]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.208795][  T528]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   19.208798][  T528]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   19.208802][  T528]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.208805][  T528] RIP: 0033:0x7f8e67fde37d
[   19.208809][  T528] 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
[   19.208812][  T528] RSP: 002b:00007ffeace83a18 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   19.208816][  T528] RAX: ffffffffffffffda RBX: 000055cb9e422810 RCX: 00007f8e67fde37d
[   19.208817][  T528] RDX: 0000000000000000 RSI: 000055cb6434dffd RDI: 0000000000000000
[   19.208819][  T528] RBP: 00007ffeace83ab0 R08: 0000000000000000 R09: 0000000000000000
[   19.208820][  T528] R10: 0000000000000000 R11: 0000000000000246 R12: 000055cb6434dffd
[   19.208822][  T528] R13: 000055cb9e422960 R14: 0000000000040000 R15: 0000000000000000
| [   26.488670][ T1047] softirqs last disabled at (19345): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   26.488672][ T1047] Preemption disabled at:
| [   26.488673][ T1047] 0x0
| [   26.488682][ T1047] Tainted: [W]=WARN
[   26.488683][ T1047] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.488685][ T1047] Call Trace:
[   26.488687][ T1047]  <TASK>
[   26.488688][ T1047]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   26.488694][ T1047]  __might_resched.cold (kernel/sched/core.c:9234)
[   26.488699][ T1047]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   26.488703][ T1047]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   26.488708][ T1047]  __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))
[   26.488710][ T1047]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.488716][ T1047]  ? 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)
[   26.488719][ T1047]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.488722][ T1047]  put_chars (drivers/char/virtio_console.c:1176)
[   26.488724][ T1047]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   26.488726][ T1047]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   26.488731][ T1047]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   26.488735][ T1047]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   26.488742][ T1047]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   26.488744][ T1047]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.488746][ T1047]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.488750][ T1047]  console_emit_next_record (kernel/printk/printk.c:3183)
[   26.488754][ T1047]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   26.488756][ T1047]  ? 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))
[   26.488759][ T1047]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.488761][ T1047]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.488765][ T1047]  console_flush_one_record (kernel/printk/printk.c:3268)
[   26.488769][ T1047]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   26.488771][ T1047]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.488776][ T1047]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   26.488778][ T1047]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   26.488780][ T1047]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.488782][ T1047]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   26.488786][ T1047]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   26.488788][ T1047]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   26.488791][ T1047]  vprintk_emit (kernel/printk/printk.c:2479)
[   26.488794][ T1047]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   26.488798][ T1047]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.488801][ T1047]  _printk (kernel/printk/printk.c:2504)
[   26.488805][ T1047]  ? snapshot_read.cold (user.c:?)
[   26.488808][ T1047]  ? 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)
[   26.488810][ T1047]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   26.488814][ T1047]  ? 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)
[   26.488817][ T1047]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   26.488821][ T1047]  ? exit_notify (kernel/exit.c:780)
[   26.488823][ T1047]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.488825][ T1047]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.488829][ T1047]  do_group_exit (kernel/exit.c:1151)
[   26.488832][ T1047]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   26.488834][ T1047]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   26.488836][ T1047]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   26.488839][ T1047]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   26.488842][ T1047]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.488844][ T1047] RIP: 0033:0x7f60238121b8
[   26.488846][ T1047] Code: Unable to access opcode bytes at 0x7f602381218e.

Code starting with the faulting instruction
===========================================
[   26.488847][ T1047] RSP: 002b:00007ffd5f0acb58 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   26.488850][ T1047] RAX: ffffffffffffffda RBX: 00007f6023942f88 RCX: 00007f60238121b8
[   26.488851][ T1047] RDX: 00007f602355d588 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   26.488852][ T1047] RBP: 00007ffd5f0acbb0 R08: 0000000000000000 R09: 0000000000000000
[   26.488853][ T1047] R10: 00007ffd5f0ac950 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