======================================
| [   12.582689][  T268] softirqs last disabled at (22631): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   12.582691][  T268] Preemption disabled at:
| [   12.582692][  T268] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.582702][  T268] Tainted: [W]=WARN
[   12.582703][  T268] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.582705][  T268] Call Trace:
[   12.582707][  T268]  <TASK>
[   12.582709][  T268]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.582715][  T268]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.582717][  T268]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.582722][  T268]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.582726][  T268]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.582731][  T268]  __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))
[   12.582734][  T268]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.582739][  T268]  ? 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)
[   12.582742][  T268]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.582745][  T268]  put_chars (drivers/char/virtio_console.c:1176)
[   12.582748][  T268]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.582749][  T268]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.582754][  T268]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.582757][  T268]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.582761][  T268]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.582764][  T268]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.582769][  T268]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.582771][  T268]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.582776][  T268]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.582780][  T268]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.582782][  T268]  ? 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))
[   12.582785][  T268]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.582787][  T268]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.582791][  T268]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.582795][  T268]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.582797][  T268]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.582801][  T268]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.582804][  T268]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.582806][  T268]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.582808][  T268]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.582812][  T268]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.582813][  T268]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.582817][  T268]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.582821][  T268]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.582826][  T268]  ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q
[   12.582830][  T268]  _printk (kernel/printk/printk.c:2504)
[   12.582834][  T268]  ? snapshot_read.cold (user.c:?)
[   12.582840][  T268]  ? 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)
[   12.582843][  T268] vlan_proto_init (./include/linux/rcupdate.h:309 (discriminator 2) ./include/linux/rcupdate.h:849 (discriminator 2) ./include/net/netns/generic.h:45 (discriminator 2)) 8021q
[   12.582846][  T268]  do_one_initcall (init/main.c:1357)
[   12.582849][  T268]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   12.582854][  T268]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   12.582857][  T268]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   12.582861][  T268]  do_init_module (kernel/module/main.c:3117)
[   12.582865][  T268]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   12.582870][  T268]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   12.582873][  T268]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   12.582877][  T268]  load_module (kernel/module/main.c:3593)
[   12.582884][  T268]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   12.582887][  T268]  ? __ia32_sys_fsconfig (??:?)
[   12.582890][  T268]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   12.582894][  T268]  ? backing_file_read_iter (fs/backing-file.c:211)
[   12.582897][  T268]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.582901][  T268]  init_module_from_file (kernel/module/main.c:3790)
[   12.582904][  T268]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   12.582912][  T268]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   12.582915][  T268]  ? 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)
[   12.582918][  T268]  idempotent_init_module (kernel/module/main.c:3802)
[   12.582922][  T268]  ? init_module_from_file (kernel/module/main.c:3791)
[   12.582928][  T268]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.582930][  T268]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   12.582936][  T268]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   12.582938][  T268]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.582941][  T268]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.582943][  T268]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.582946][  T268]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.582948][  T268] RIP: 0033:0x7f812287137d
[   12.582952][  T268] 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
[   12.582954][  T268] RSP: 002b:00007ffd8f0a0368 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   12.582957][  T268] RAX: ffffffffffffffda RBX: 0000558c9adbf810 RCX: 00007f812287137d
[   12.582958][  T268] RDX: 0000000000000000 RSI: 0000558c8f6b8ffd RDI: 0000000000000000
[   12.582959][  T268] RBP: 00007ffd8f0a0400 R08: 0000000000000000 R09: 0000000000000000
[   12.582960][  T268] R10: 0000000000000000 R11: 0000000000000246 R12: 0000558c8f6b8ffd
[   12.582960][  T268] R13: 0000558c9adbf960 R14: 0000000000040000 R15: 0000000000000000
| [   23.291154][  T384] softirqs last disabled at (31699): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   23.291156][  T384] Preemption disabled at:
| [   23.291157][  T384] 0x0
| [   23.291167][  T384] Tainted: [W]=WARN
[   23.291168][  T384] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.291170][  T384] Call Trace:
[   23.291172][  T384]  <TASK>
[   23.291173][  T384]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   23.291179][  T384]  __might_resched.cold (kernel/sched/core.c:9234)
[   23.291184][  T384]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   23.291188][  T384]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   23.291193][  T384]  __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))
[   23.291195][  T384]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.291201][  T384]  ? 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)
[   23.291203][  T384]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.291207][  T384]  put_chars (drivers/char/virtio_console.c:1176)
[   23.291210][  T384]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   23.291211][  T384]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   23.291216][  T384]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   23.291221][  T384]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   23.291227][  T384]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   23.291229][  T384]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.291231][  T384]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.291235][  T384]  console_emit_next_record (kernel/printk/printk.c:3183)
[   23.291239][  T384]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   23.291241][  T384]  ? 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))
[   23.291244][  T384]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.291246][  T384]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.291250][  T384]  console_flush_one_record (kernel/printk/printk.c:3268)
[   23.291254][  T384]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   23.291256][  T384]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.291262][  T384]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   23.291264][  T384]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   23.291266][  T384]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.291268][  T384]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   23.291272][  T384]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   23.291274][  T384]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   23.291277][  T384]  vprintk_emit (kernel/printk/printk.c:2479)
[   23.291281][  T384]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   23.291284][  T384]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.291288][  T384]  _printk (kernel/printk/printk.c:2504)
[   23.291292][  T384]  ? snapshot_read.cold (user.c:?)
[   23.291295][  T384]  ? 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)
[   23.291300][  T384]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   23.291304][  T384]  ? 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)
[   23.291307][  T384]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   23.291311][  T384]  ? exit_notify (kernel/exit.c:780)
[   23.291313][  T384]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.291315][  T384]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.291320][  T384]  do_group_exit (kernel/exit.c:1151)
[   23.291322][  T384]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   23.291324][  T384]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   23.291326][  T384]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   23.291329][  T384]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   23.291333][  T384]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.291335][  T384] RIP: 0033:0x7f848152e1b8
[   23.291337][  T384] Code: Unable to access opcode bytes at 0x7f848152e18e.

Code starting with the faulting instruction
===========================================
[   23.291338][  T384] RSP: 002b:00007ffe106b1318 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   23.291341][  T384] RAX: ffffffffffffffda RBX: 00007f848165ef88 RCX: 00007f848152e1b8
[   23.291342][  T384] RDX: 00007f8481278fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   23.291343][  T384] RBP: 00007ffe106b1370 R08: 0000000000000000 R09: 0000000000000060
[   23.291344][  T384] R10: 00007ffe106b1130 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