======================================
| [    9.235955][  T188] softirqs last disabled at (32333): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [    9.235958][  T188] Preemption disabled at:
| [    9.235959][  T188] 0x0
| [    9.235968][  T188] Tainted: [W]=WARN
[    9.235969][  T188] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.235970][  T188] Call Trace:
[    9.235972][  T188]  <TASK>
[    9.235973][  T188]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    9.235979][  T188]  __might_resched.cold (kernel/sched/core.c:9234)
[    9.235984][  T188]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[    9.235988][  T188]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[    9.235993][  T188]  __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))
[    9.235996][  T188]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.236002][  T188]  ? 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)
[    9.236004][  T188]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.236007][  T188]  put_chars (drivers/char/virtio_console.c:1176)
[    9.236010][  T188]  ? __send_to_port (drivers/char/virtio_console.c:654)
[    9.236012][  T188]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    9.236017][  T188]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    9.236022][  T188]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[    9.236029][  T188]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[    9.236031][  T188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.236033][  T188]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.236037][  T188]  console_emit_next_record (kernel/printk/printk.c:3183)
[    9.236041][  T188]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    9.236043][  T188]  ? 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))
[    9.236046][  T188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.236048][  T188]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.236052][  T188]  console_flush_one_record (kernel/printk/printk.c:3268)
[    9.236057][  T188]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    9.236059][  T188]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.236064][  T188]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    9.236067][  T188]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    9.236068][  T188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.236071][  T188]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[    9.236075][  T188]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    9.236076][  T188]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    9.236080][  T188]  vprintk_emit (kernel/printk/printk.c:2479)
[    9.236083][  T188]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    9.236087][  T188]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.236091][  T188]  _printk (kernel/printk/printk.c:2504)
[    9.236094][  T188]  ? snapshot_read.cold (user.c:?)
[    9.236097][  T188]  ? 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)
[    9.236100][  T188]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    9.236104][  T188]  ? 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)
[    9.236107][  T188]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[    9.236110][  T188]  ? exit_notify (kernel/exit.c:780)
[    9.236112][  T188]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.236115][  T188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.236119][  T188]  do_group_exit (kernel/exit.c:1151)
[    9.236122][  T188]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[    9.236124][  T188]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[    9.236126][  T188]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    9.236130][  T188]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    9.236133][  T188]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.236135][  T188] RIP: 0033:0x7fc11e0171b8
[    9.236137][  T188] Code: Unable to access opcode bytes at 0x7fc11e01718e.

Code starting with the faulting instruction
===========================================
[    9.236138][  T188] RSP: 002b:00007ffdc0ab13e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[    9.236141][  T188] RAX: ffffffffffffffda RBX: 00007fc11e147f88 RCX: 00007fc11e0171b8
[    9.236142][  T188] RDX: 00007fc11dd61fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[    9.236143][  T188] RBP: 00007ffdc0ab1440 R08: 0000000000000000 R09: 0000000000008010
[    9.236144][  T188] R10: 00007ffdc0ab1200 R11: 0000000000000246 R12: 0000000000000001
[    9.236145][  T188] R13: 0000000000000000 R14: 00007fc11e146680 R15: 00007fc11e147fa0
| [   15.254888][  T236] softirqs last disabled at (26011): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   15.254890][  T236] Preemption disabled at:
| [   15.254891][  T236] vprintk_emit (kernel/printk/printk.c:2471)
| [   15.254900][  T236] Tainted: [W]=WARN
[   15.254900][  T236] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.254902][  T236] Call Trace:
[   15.254904][  T236]  <TASK>
[   15.254905][  T236]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   15.254911][  T236]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   15.254913][  T236]  __might_resched.cold (kernel/sched/core.c:9234)
[   15.254917][  T236]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   15.254921][  T236]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   15.254926][  T236]  __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))
[   15.254928][  T236]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.254934][  T236]  ? 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)
[   15.254937][  T236]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.254940][  T236]  put_chars (drivers/char/virtio_console.c:1176)
[   15.254942][  T236]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   15.254943][  T236]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   15.254946][  T236]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.254950][  T236]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.254954][  T236]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   15.254956][  T236]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.254958][  T236]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.254962][  T236]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   15.254963][  T236]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   15.254967][  T236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.254969][  T236]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.254973][  T236]  console_emit_next_record (kernel/printk/printk.c:3183)
[   15.254977][  T236]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   15.254978][  T236]  ? 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))
[   15.254981][  T236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.254984][  T236]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.254987][  T236]  console_flush_one_record (kernel/printk/printk.c:3268)
[   15.254991][  T236]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   15.254993][  T236]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.254998][  T236]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   15.255000][  T236]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   15.255002][  T236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.255004][  T236]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   15.255008][  T236]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   15.255009][  T236]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   15.255013][  T236]  vprintk_emit (kernel/printk/printk.c:2479)
[   15.255016][  T236]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   15.255022][  T236]  ? gact_cleanup_module (net/sched/act_gact.c:192) act_gact
[   15.255024][  T236]  _printk (kernel/printk/printk.c:2504)
[   15.255028][  T236]  ? snapshot_read.cold (user.c:?)
[   15.255034][  T236]  ? 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)
[   15.255037][  T236] gact_init_module (net/sched/act_gact.c:180) act_gact
[   15.255039][  T236]  do_one_initcall (init/main.c:1357)
[   15.255042][  T236]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   15.255046][  T236]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   15.255049][  T236]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   15.255054][  T236]  do_init_module (kernel/module/main.c:3117)
[   15.255058][  T236]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   15.255062][  T236]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   15.255065][  T236]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   15.255069][  T236]  load_module (kernel/module/main.c:3593)
[   15.255075][  T236]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   15.255079][  T236]  ? __ia32_sys_fsconfig (??:?)
[   15.255082][  T236]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   15.255086][  T236]  ? backing_file_read_iter (fs/backing-file.c:211)
[   15.255089][  T236]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   15.255093][  T236]  init_module_from_file (kernel/module/main.c:3790)
[   15.255096][  T236]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   15.255103][  T236]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   15.255107][  T236]  ? 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)
[   15.255110][  T236]  idempotent_init_module (kernel/module/main.c:3802)
[   15.255113][  T236]  ? init_module_from_file (kernel/module/main.c:3791)
[   15.255119][  T236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.255121][  T236]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   15.255127][  T236]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   15.255129][  T236]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.255132][  T236]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   15.255134][  T236]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   15.255137][  T236]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.255139][  T236] RIP: 0033:0x7fc003fd537d
[   15.255142][  T236] 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
[   15.255144][  T236] RSP: 002b:00007fff805bd118 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   15.255147][  T236] RAX: ffffffffffffffda RBX: 0000560070100810 RCX: 00007fc003fd537d
[   15.255148][  T236] RDX: 0000000000000000 RSI: 00005600394c5ffd RDI: 0000000000000000
[   15.255149][  T236] RBP: 00007fff805bd1b0 R08: 0000000000000000 R09: 0000000000000000
[   15.255150][  T236] R10: 0000000000000000 R11: 0000000000000246 R12: 00005600394c5ffd


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