======================================
| [   13.318411][  T264] softirqs last disabled at (26235): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   13.318413][  T264] Preemption disabled at:
| [   13.318414][  T264] vprintk_emit (kernel/printk/printk.c:2471)
| [   13.318424][  T264] Tainted: [W]=WARN
[   13.318424][  T264] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.318426][  T264] Call Trace:
[   13.318428][  T264]  <TASK>
[   13.318430][  T264]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.318436][  T264]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   13.318438][  T264]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.318443][  T264]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.318447][  T264]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   13.318452][  T264]  __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))
[   13.318454][  T264]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.318460][  T264]  ? 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)
[   13.318463][  T264]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.318466][  T264]  put_chars (drivers/char/virtio_console.c:1176)
[   13.318468][  T264]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   13.318470][  T264]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.318473][  T264]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.318477][  T264]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.318481][  T264]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.318484][  T264]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.318485][  T264]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.318490][  T264]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.318491][  T264]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   13.318494][  T264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.318498][  T264]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.318501][  T264]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.318505][  T264]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.318507][  T264]  ? 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))
[   13.318510][  T264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.318513][  T264]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.318517][  T264]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.318521][  T264]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.318523][  T264]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.318528][  T264]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.318531][  T264]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.318532][  T264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.318535][  T264]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   13.318538][  T264]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.318540][  T264]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.318544][  T264]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.318548][  T264]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.318553][  T264]  ? gre_exit (net/ipv4/gre_demux.c:73) gre
[   13.318556][  T264]  _printk (kernel/printk/printk.c:2504)
[   13.318560][  T264]  ? snapshot_read.cold (user.c:?)
[   13.318566][  T264]  ? 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)
[   13.318569][  T264] gre_init (gre.mod.c:?) gre
[   13.318572][  T264]  do_one_initcall (init/main.c:1357)
[   13.318574][  T264]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   13.318579][  T264]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   13.318582][  T264]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   13.318587][  T264]  do_init_module (kernel/module/main.c:3117)
[   13.318591][  T264]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   13.318595][  T264]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   13.318598][  T264]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   13.318602][  T264]  load_module (kernel/module/main.c:3593)
[   13.318610][  T264]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   13.318615][  T264]  ? backing_file_read_iter (fs/backing-file.c:211)
[   13.318619][  T264]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.318623][  T264]  init_module_from_file (kernel/module/main.c:3790)
[   13.318626][  T264]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   13.318634][  T264]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   13.318638][  T264]  ? 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)
[   13.318641][  T264]  idempotent_init_module (kernel/module/main.c:3802)
[   13.318645][  T264]  ? init_module_from_file (kernel/module/main.c:3791)
[   13.318651][  T264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.318653][  T264]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   13.318659][  T264]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   13.318662][  T264]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.318665][  T264]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.318667][  T264]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   13.318670][  T264]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.318672][  T264] RIP: 0033:0x7f61abfa537d
[   13.318675][  T264] 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
[   13.318677][  T264] RSP: 002b:00007ffd2fdb0488 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   13.318680][  T264] RAX: ffffffffffffffda RBX: 0000555d35a71a40 RCX: 00007f61abfa537d
[   13.318681][  T264] RDX: 0000000000000000 RSI: 0000555d25b12ffd RDI: 0000000000000001
[   13.318682][  T264] RBP: 00007ffd2fdb0520 R08: 0000000000000000 R09: 0000000000000000
[   13.318683][  T264] R10: 0000000000000000 R11: 0000000000000246 R12: 0000555d25b12ffd
[   13.318684][  T264] R13: 0000555d35a71a00 R14: 0000000000040000 R15: 0000000000000000
| [   15.399547][  T326] softirqs last disabled at (25645): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   15.399550][  T326] Preemption disabled at:
| [   15.399551][  T326] vprintk_emit (kernel/printk/printk.c:2471)
| [   15.399563][  T326] Tainted: [W]=WARN
[   15.399564][  T326] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.399566][  T326] Call Trace:
[   15.399568][  T326]  <TASK>
[   15.399570][  T326]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   15.399578][  T326]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   15.399581][  T326]  __might_resched.cold (kernel/sched/core.c:9234)
[   15.399588][  T326]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   15.399593][  T326]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   15.399601][  T326]  __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))
[   15.399604][  T326]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.399613][  T326]  ? 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)
[   15.399617][  T326]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.399622][  T326]  put_chars (drivers/char/virtio_console.c:1176)
[   15.399625][  T326]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   15.399629][  T326]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   15.399634][  T326]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.399639][  T326]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.399647][  T326]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   15.399650][  T326]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.399653][  T326]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.399661][  T326]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   15.399663][  T326]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   15.399668][  T326]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.399673][  T326]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.399680][  T326]  console_emit_next_record (kernel/printk/printk.c:3183)
[   15.399686][  T326]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   15.399689][  T326]  ? 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))
[   15.399694][  T326]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.399697][  T326]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.399704][  T326]  console_flush_one_record (kernel/printk/printk.c:3268)
[   15.399712][  T326]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   15.399714][  T326]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.399724][  T326]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   15.399728][  T326]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   15.399731][  T326]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.399734][  T326]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   15.399741][  T326]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   15.399744][  T326]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   15.399749][  T326]  vprintk_emit (kernel/printk/printk.c:2479)
[   15.399756][  T326]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   15.399766][  T326]  ? gact_cleanup_module (net/sched/act_gact.c:192) act_gact
[   15.399770][  T326]  _printk (kernel/printk/printk.c:2504)
[   15.399775][  T326]  ? snapshot_read.cold (user.c:?)
[   15.399787][  T326]  ? 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)
[   15.399792][  T326] gact_init_module (net/sched/act_gact.c:180) act_gact
[   15.399796][  T326]  do_one_initcall (init/main.c:1357)
[   15.399800][  T326]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   15.399808][  T326]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   15.399813][  T326]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   15.399820][  T326]  do_init_module (kernel/module/main.c:3117)
[   15.399826][  T326]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   15.399832][  T326]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   15.399838][  T326]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   15.399845][  T326]  load_module (kernel/module/main.c:3593)
[   15.399858][  T326]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   15.399865][  T326]  ? __ia32_sys_fsconfig (??:?)
[   15.399869][  T326]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   15.399875][  T326]  ? backing_file_read_iter (fs/backing-file.c:211)
[   15.399879][  T326]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   15.399886][  T326]  init_module_from_file (kernel/module/main.c:3790)
[   15.399891][  T326]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   15.399907][  T326]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   15.399913][  T326]  ? 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)
[   15.399918][  T326]  idempotent_init_module (kernel/module/main.c:3802)
[   15.399924][  T326]  ? init_module_from_file (kernel/module/main.c:3791)
[   15.399936][  T326]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.399940][  T326]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   15.399958][  T326]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   15.399961][  T326]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.399966][  T326]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   15.399969][  T326]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   15.399973][  T326]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.399977][  T326] RIP: 0033:0x7f27c3be737d
[   15.399981][  T326] 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
[   15.399984][  T326] RSP: 002b:00007fff129c2dc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   15.399987][  T326] RAX: ffffffffffffffda RBX: 000056225db86810 RCX: 00007f27c3be737d
[   15.399989][  T326] RDX: 0000000000000000 RSI: 000056222f6b2ffd RDI: 0000000000000000
[   15.399991][  T326] RBP: 00007fff129c2e60 R08: 0000000000000000 R09: 0000000000000000
[   15.399992][  T326] R10: 0000000000000000 R11: 0000000000000246 R12: 000056222f6b2ffd
[   15.399994][  T326] R13: 000056225db86960 R14: 0000000000040000 R15: 0000000000000000
| [  182.830179][ T5393] softirqs last disabled at (17402): sk_common_release (./include/net/sock.h:2138 net/core/sock.c:4066)
| [  182.830182][ T5393] Preemption disabled at:
| [  182.830183][ T5393] 0x0
| [  182.830198][ T5393] Tainted: [W]=WARN
[  182.830199][ T5393] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  182.830201][ T5393] Call Trace:
[  182.830203][ T5393]  <TASK>
[  182.830205][ T5393]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  182.830214][ T5393]  __might_resched.cold (kernel/sched/core.c:9234)
[  182.830220][ T5393]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  182.830226][ T5393]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  182.830234][ T5393]  __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))
[  182.830238][ T5393]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  182.830247][ T5393]  ? 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)
[  182.830250][ T5393]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  182.830256][ T5393]  put_chars (drivers/char/virtio_console.c:1176)
[  182.830261][ T5393]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  182.830263][ T5393]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  182.830270][ T5393]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  182.830280][ T5393]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  182.830291][ T5393]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  182.830295][ T5393]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  182.830299][ T5393]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  182.830307][ T5393]  console_emit_next_record (kernel/printk/printk.c:3183)
[  182.830313][ T5393]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  182.830316][ T5393]  ? 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))
[  182.830322][ T5393]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  182.830326][ T5393]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  182.830333][ T5393]  console_flush_one_record (kernel/printk/printk.c:3268)
[  182.830341][ T5393]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  182.830344][ T5393]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  182.830354][ T5393]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  182.830359][ T5393]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  182.830361][ T5393]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  182.830365][ T5393]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  182.830372][ T5393]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  182.830375][ T5393]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  182.830381][ T5393]  vprintk_emit (kernel/printk/printk.c:2479)
[  182.830387][ T5393]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  182.830394][ T5393]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  182.830401][ T5393]  _printk (kernel/printk/printk.c:2504)
[  182.830406][ T5393]  ? snapshot_read.cold (user.c:?)
[  182.830411][ T5393]  ? 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)
[  182.830415][ T5393]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  182.830422][ T5393]  ? 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)
[  182.830432][ T5393]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[  182.830437][ T5393]  ? exit_notify (kernel/exit.c:780)
[  182.830440][ T5393]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  182.830444][ T5393]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  182.830452][ T5393]  do_group_exit (kernel/exit.c:1151)
[  182.830456][ T5393]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[  182.830459][ T5393]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[  182.830462][ T5393]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  182.830466][ T5393]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  182.830469][ T5393]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  182.830472][ T5393] RIP: 0033:0x7f0f1a8011b8
[  182.830474][ T5393] Code: Unable to access opcode bytes at 0x7f0f1a80118e.

Code starting with the faulting instruction
===========================================
[  182.830475][ T5393] RSP: 002b:00007fffb2427c08 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[  182.830478][ T5393] RAX: ffffffffffffffda RBX: 00007f0f1a931f88 RCX: 00007f0f1a8011b8
[  182.830479][ T5393] RDX: 00007f0f1a5927c8 RSI: ffffffffffffffb0 RDI: 0000000000000000
[  182.830480][ T5393] RBP: 00007fffb2427c60 R08: 0000000000000000 R09: 0000000000001010
[  182.830481][ T5393] R10: 00007fffb2427a80 R11: 0000000000000246 R12: 0000000000000002


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