======================================
| [   17.420730][  T316] softirqs last disabled at (22389): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   17.420732][  T316] Preemption disabled at:
| [   17.420733][  T316] vprintk_emit (kernel/printk/printk.c:2471)
| [   17.420743][  T316] Tainted: [W]=WARN
[   17.420744][  T316] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.420745][  T316] Call Trace:
[   17.420747][  T316]  <TASK>
[   17.420749][  T316]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   17.420754][  T316]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   17.420757][  T316]  __might_resched.cold (kernel/sched/core.c:9234)
[   17.420761][  T316]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   17.420765][  T316]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   17.420770][  T316]  __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))
[   17.420772][  T316]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.420778][  T316]  ? 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)
[   17.420781][  T316]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.420784][  T316]  put_chars (drivers/char/virtio_console.c:1176)
[   17.420786][  T316]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   17.420788][  T316]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   17.420791][  T316]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.420794][  T316]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   17.420802][  T316]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   17.420804][  T316]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.420806][  T316]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.420811][  T316]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   17.420812][  T316]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   17.420816][  T316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.420819][  T316]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.420823][  T316]  console_emit_next_record (kernel/printk/printk.c:3183)
[   17.420826][  T316]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   17.420828][  T316]  ? 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))
[   17.420831][  T316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.420833][  T316]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.420837][  T316]  console_flush_one_record (kernel/printk/printk.c:3268)
[   17.420841][  T316]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   17.420843][  T316]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.420848][  T316]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   17.420851][  T316]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   17.420852][  T316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.420855][  T316]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   17.420858][  T316]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   17.420860][  T316]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   17.420863][  T316]  vprintk_emit (kernel/printk/printk.c:2479)
[   17.420867][  T316]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   17.420873][  T316]  ? udp_tunnel_nic_cleanup_module (net/ipv4/udp_tunnel_core.c:237) udp_tunnel
[   17.420876][  T316]  _printk (kernel/printk/printk.c:2504)
[   17.420880][  T316]  ? snapshot_read.cold (user.c:?)
[   17.420886][  T316]  ? 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)
[   17.420889][  T316] gact_init_module (net/sched/act_gact.c:180) act_gact
[   17.420892][  T316]  do_one_initcall (init/main.c:1357)
[   17.420894][  T316]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   17.420899][  T316]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   17.420902][  T316]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   17.420907][  T316]  do_init_module (kernel/module/main.c:3117)
[   17.420910][  T316]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   17.420920][  T316]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   17.420923][  T316]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   17.420927][  T316]  load_module (kernel/module/main.c:3593)
[   17.420934][  T316]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   17.420938][  T316]  ? __ia32_sys_fsconfig (??:?)
[   17.420940][  T316]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   17.420945][  T316]  ? backing_file_read_iter (fs/backing-file.c:211)
[   17.420947][  T316]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   17.420951][  T316]  init_module_from_file (kernel/module/main.c:3790)
[   17.420954][  T316]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   17.420962][  T316]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   17.420966][  T316]  ? 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)
[   17.420969][  T316]  idempotent_init_module (kernel/module/main.c:3802)
[   17.420972][  T316]  ? init_module_from_file (kernel/module/main.c:3791)
[   17.420978][  T316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.420980][  T316]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   17.420986][  T316]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   17.420988][  T316]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   17.420992][  T316]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   17.420994][  T316]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   17.420996][  T316]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.420999][  T316] RIP: 0033:0x7f38f70ce37d
[   17.421002][  T316] 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
[   17.421004][  T316] RSP: 002b:00007ffe192f6b38 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   17.421007][  T316] RAX: ffffffffffffffda RBX: 0000562ebaa6b810 RCX: 00007f38f70ce37d
[   17.421008][  T316] RDX: 0000000000000000 RSI: 0000562e98debffd RDI: 0000000000000000
[   17.421009][  T316] RBP: 00007ffe192f6bd0 R08: 0000000000000000 R09: 0000000000000000
[   17.421010][  T316] R10: 0000000000000000 R11: 0000000000000246 R12: 0000562e98debffd
[   17.421010][  T316] R13: 0000562ebaa6b960 R14: 0000000000040000 R15: 0000000000000000
| [   18.632901][  T391] softirqs last disabled at (19555): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   18.632903][  T391] Preemption disabled at:
| [   18.632904][  T391] 0x0
| [   18.632915][  T391] Tainted: [W]=WARN
[   18.632915][  T391] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.632924][  T391] Call Trace:
[   18.632925][  T391]  <TASK>
[   18.632927][  T391]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   18.632933][  T391]  __might_resched.cold (kernel/sched/core.c:9234)
[   18.632938][  T391]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   18.632942][  T391]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   18.632947][  T391]  __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))
[   18.632950][  T391]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.632955][  T391]  ? 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)
[   18.632958][  T391]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.632961][  T391]  put_chars (drivers/char/virtio_console.c:1176)
[   18.632964][  T391]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   18.632966][  T391]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   18.632970][  T391]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   18.632975][  T391]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   18.632981][  T391]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   18.632983][  T391]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.632986][  T391]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.632990][  T391]  console_emit_next_record (kernel/printk/printk.c:3183)
[   18.632994][  T391]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   18.632995][  T391]  ? 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))
[   18.632998][  T391]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.633001][  T391]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.633005][  T391]  console_flush_one_record (kernel/printk/printk.c:3268)
[   18.633009][  T391]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   18.633010][  T391]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.633015][  T391]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   18.633018][  T391]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   18.633020][  T391]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.633022][  T391]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   18.633026][  T391]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   18.633027][  T391]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   18.633031][  T391]  vprintk_emit (kernel/printk/printk.c:2479)
[   18.633034][  T391]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   18.633038][  T391]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.633041][  T391]  _printk (kernel/printk/printk.c:2504)
[   18.633045][  T391]  ? snapshot_read.cold (user.c:?)
[   18.633048][  T391]  ? 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)
[   18.633050][  T391]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   18.633054][  T391]  ? 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)
[   18.633057][  T391]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   18.633061][  T391]  ? exit_notify (kernel/exit.c:780)
[   18.633063][  T391]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.633065][  T391]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.633069][  T391]  do_group_exit (kernel/exit.c:1151)
[   18.633072][  T391]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   18.633074][  T391]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   18.633076][  T391]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   18.633079][  T391]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   18.633082][  T391]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.633085][  T391] RIP: 0033:0x7f01c91211b8
[   18.633087][  T391] Code: Unable to access opcode bytes at 0x7f01c912118e.

Code starting with the faulting instruction
===========================================
[   18.633088][  T391] RSP: 002b:00007ffe77d1b1e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   18.633090][  T391] RAX: ffffffffffffffda RBX: 00007f01c9251f88 RCX: 00007f01c91211b8
[   18.633092][  T391] RDX: 00007f01c8e6bfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   18.633093][  T391] RBP: 00007ffe77d1b240 R08: 0000000000000000 R09: 0000000000000050
[   18.633093][  T391] R10: 00007ffe77d1b000 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