======================================
| [    9.578926][  T171] softirqs last disabled at (29681): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [    9.578928][  T171] Preemption disabled at:
| [    9.578929][  T171] vprintk_emit (kernel/printk/printk.c:2471)
| [    9.578937][  T171] Tainted: [W]=WARN
[    9.578938][  T171] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.578940][  T171] Call Trace:
[    9.578941][  T171]  <TASK>
[    9.578943][  T171]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    9.578948][  T171]  ? vprintk_emit (kernel/printk/printk.c:2471)
[    9.578950][  T171]  __might_resched.cold (kernel/sched/core.c:9234)
[    9.578954][  T171]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[    9.578958][  T171]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[    9.578962][  T171]  __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))
[    9.578964][  T171]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.578970][  T171]  ? 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)
[    9.578972][  T171]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.578975][  T171]  put_chars (drivers/char/virtio_console.c:1176)
[    9.578978][  T171]  ? __send_to_port (drivers/char/virtio_console.c:654)
[    9.578981][  T171]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    9.578986][  T171]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[    9.578992][  T171]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[    9.578994][  T171]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.578998][  T171]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.579001][  T171]  console_emit_next_record (kernel/printk/printk.c:3183)
[    9.579005][  T171]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    9.579009][  T171]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.579011][  T171]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.579015][  T171]  console_flush_one_record (kernel/printk/printk.c:3268)
[    9.579019][  T171]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    9.579021][  T171]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.579025][  T171]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    9.579028][  T171]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    9.579030][  T171]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.579032][  T171]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[    9.579035][  T171]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    9.579037][  T171]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    9.579040][  T171]  vprintk_emit (kernel/printk/printk.c:2479)
[    9.579043][  T171]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    9.579045][  T171]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    9.579049][  T171]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.579050][  T171]  ? fast_dput (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) fs/dcache.c:948 (discriminator 2))
[    9.579055][  T171]  ? cleanup_netconsole (./include/linux/list.h:99 (discriminator 2) ./include/linux/list.h:169 (discriminator 2) ./include/linux/list.h:206 (discriminator 2) ./include/linux/configfs.h:112 (discriminator 2) drivers/net/netconsole.c:1718 (discriminator 2)) netconsole
[    9.579060][  T171]  _printk (kernel/printk/printk.c:2504)
[    9.579063][  T171]  ? snapshot_read.cold (user.c:?)
[    9.579066][  T171]  ? __up_write (kernel/locking/rwsem.c:1422 (discriminator 1))
[    9.579070][  T171]  ? cleanup_netconsole (./include/linux/list.h:99 (discriminator 2) ./include/linux/list.h:169 (discriminator 2) ./include/linux/list.h:206 (discriminator 2) ./include/linux/configfs.h:112 (discriminator 2) drivers/net/netconsole.c:1718 (discriminator 2)) netconsole
[    9.579073][  T171]  ? configfs_register_subsystem (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:1383 fs/configfs/dir.c:173 fs/configfs/dir.c:171 fs/configfs/dir.c:1929)
[    9.579078][  T171] init_netconsole (drivers/net/netconsole.c:1286) netconsole
[    9.579082][  T171]  ? cleanup_netconsole (./include/linux/list.h:99 (discriminator 2) ./include/linux/list.h:169 (discriminator 2) ./include/linux/list.h:206 (discriminator 2) ./include/linux/configfs.h:112 (discriminator 2) drivers/net/netconsole.c:1718 (discriminator 2)) netconsole
[    9.579089][  T171]  ? cleanup_netconsole (./include/linux/list.h:99 (discriminator 2) ./include/linux/list.h:169 (discriminator 2) ./include/linux/list.h:206 (discriminator 2) ./include/linux/configfs.h:112 (discriminator 2) drivers/net/netconsole.c:1718 (discriminator 2)) netconsole
[    9.579091][  T171]  do_one_initcall (init/main.c:1357)
[    9.579095][  T171]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[    9.579100][  T171]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[    9.579102][  T171]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[    9.579108][  T171]  do_init_module (kernel/module/main.c:3117)
[    9.579112][  T171]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[    9.579116][  T171]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[    9.579119][  T171]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[    9.579123][  T171]  load_module (kernel/module/main.c:3593)
[    9.579129][  T171]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[    9.579133][  T171]  ? __ia32_sys_fsconfig (??:?)
[    9.579136][  T171]  ? ovl_real_file (fs/overlayfs/file.c:195)
[    9.579140][  T171]  ? backing_file_read_iter (fs/backing-file.c:211)
[    9.579143][  T171]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    9.579147][  T171]  init_module_from_file (kernel/module/main.c:3790)
[    9.579151][  T171]  ? __do_sys_init_module (kernel/module/main.c:3664)
[    9.579159][  T171]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    9.579162][  T171]  ? 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)
[    9.579165][  T171]  idempotent_init_module (kernel/module/main.c:3802)
[    9.579168][  T171]  ? init_module_from_file (kernel/module/main.c:3791)
[    9.579174][  T171]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.579177][  T171]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[    9.579183][  T171]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[    9.579185][  T171]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    9.579189][  T171]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    9.579191][  T171]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    9.579194][  T171]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.579198][  T171] RIP: 0033:0x7f2c6248237d
[    9.579201][  T171] 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
[    9.579203][  T171] RSP: 002b:00007ffd59a28938 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[    9.579206][  T171] RAX: ffffffffffffffda RBX: 00005594b08c6700 RCX: 00007f2c6248237d
[    9.579207][  T171] RDX: 0000000000000000 RSI: 00005594907e5ffd RDI: 0000000000000005
[    9.579208][  T171] RBP: 00007ffd59a289d0 R08: 0000000000000000 R09: 0000000000000000
[    9.579209][  T171] R10: 0000000000000000 R11: 0000000000000246 R12: 00005594907e5ffd
[    9.579210][  T171] R13: 00005594b08c6810 R14: 0000000000040000 R15: 0000000000000000
| [   12.932607][  T158] softirqs last disabled at (130450): restore_fpregs_from_user (./include/linux/bottom_half.h:20 (discriminator 2) ./arch/x86/include/asm/fpu/api.h:69 (discriminator 2) arch/x86/kernel/fpu/signal.c:277 (discriminator 2))
| [   12.932610][  T158] Preemption disabled at:
| [   12.932611][  T158] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.932620][  T158] Tainted: [W]=WARN
[   12.932621][  T158] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.932623][  T158] Call Trace:
[   12.932625][  T158]  <TASK>
[   12.932627][  T158]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.932632][  T158]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.932634][  T158]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.932638][  T158]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.932642][  T158]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.932647][  T158]  __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))
[   12.932649][  T158]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.932655][  T158]  ? 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)
[   12.932658][  T158]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.932661][  T158]  put_chars (drivers/char/virtio_console.c:1176)
[   12.932664][  T158]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.932665][  T158]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   12.932668][  T158]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.932671][  T158]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.932675][  T158]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.932678][  T158]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.932680][  T158]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.932684][  T158]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.932687][  T158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.932690][  T158]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.932694][  T158]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.932697][  T158]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.932701][  T158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.932703][  T158]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.932707][  T158]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.932711][  T158]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.932712][  T158]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.932717][  T158]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.932720][  T158]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.932721][  T158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.932723][  T158]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.932727][  T158]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.932728][  T158]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.932731][  T158]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.932735][  T158]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.932738][  T158]  ? _copy_from_iter (./include/linux/instrumented.h:146 lib/iov_iter.c:66 ./include/linux/iov_iter.h:30 ./include/linux/iov_iter.h:302 ./include/linux/iov_iter.h:330 lib/iov_iter.c:261 lib/iov_iter.c:272)
[   12.932743][  T158]  devkmsg_emit.constprop.0 (kernel/printk/printk.c:733)
[   12.932747][  T158]  ? vprintk_emit.cold (kernel/printk/printk.c:2449)
[   12.932751][  T158]  ? __kmalloc_noprof (mm/slub.c:5415 mm/slub.c:5439)
[   12.932753][  T158]  ? idr_get_free (??:?)
[   12.932757][  T158]  ? devkmsg_write (./include/linux/slab.h:995 kernel/printk/printk.c:762)
[   12.932760][  T158]  ? _copy_from_iter (./include/linux/instrumented.h:146 lib/iov_iter.c:66 ./include/linux/iov_iter.h:30 ./include/linux/iov_iter.h:302 ./include/linux/iov_iter.h:330 lib/iov_iter.c:261 lib/iov_iter.c:272)
[   12.932762][  T158]  devkmsg_write.cold (kernel/printk/printk.c:796)
[   12.932765][  T158]  ? vprintk_default (kernel/printk/printk.c:2494)
[   12.932767][  T158]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.932769][  T158]  ? vfs_lock_file (./include/linux/fs.h:1348)
[   12.932773][  T158]  ? vprintk_default (kernel/printk/printk.c:2494)
[   12.932775][  T158]  new_sync_write (fs/read_write.c:595)
[   12.932780][  T158]  ? new_sync_read (./include/linux/ioprio.h:41)
[   12.932782][  T158]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.932790][  T158]  vfs_write (fs/read_write.c:687)
[   12.932794][  T158]  ksys_write (fs/read_write.c:739)
[   12.932797][  T158]  ? __ia32_sys_read (fs/read_write.c:723)
[   12.932798][  T158]  ? 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)
[   12.932801][  T158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.932804][  T158]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.932806][  T158]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.932809][  T158]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.932812][  T158] RIP: 0033:0x7f49bce2154e
[   12.932816][  T158] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.932818][  T158] RSP: 002b:00007ffc7abbd5b0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   12.932821][  T158] RAX: ffffffffffffffda RBX: 00007f49bcfa2580 RCX: 00007f49bce2154e
[   12.932822][  T158] RDX: 0000000000000023 RSI: 000055a63521bab0 RDI: 0000000000000001
[   12.932823][  T158] RBP: 00007ffc7abbd5c0 R08: 0000000000000000 R09: 0000000000000000
[   12.932824][  T158] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000023
[   12.932825][  T158] R13: 0000000000000023 R14: 000055a63521bab0 R15: 0000000000000000
| [   17.009020][  T158] softirqs last disabled at (249476): restore_fpregs_from_user (./include/linux/bottom_half.h:20 (discriminator 2) ./arch/x86/include/asm/fpu/api.h:69 (discriminator 2) arch/x86/kernel/fpu/signal.c:277 (discriminator 2))
| [   17.009023][  T158] Preemption disabled at:
| [   17.009024][  T158] vprintk_emit (kernel/printk/printk.c:2471)
| [   17.009033][  T158] Tainted: [W]=WARN
[   17.009034][  T158] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.009036][  T158] Call Trace:
[   17.009038][  T158]  <TASK>
[   17.009040][  T158]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   17.009045][  T158]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   17.009047][  T158]  __might_resched.cold (kernel/sched/core.c:9234)
[   17.009051][  T158]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   17.009055][  T158]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   17.009060][  T158]  __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))
[   17.009062][  T158]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.009068][  T158]  ? 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)
[   17.009070][  T158]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.009073][  T158]  put_chars (drivers/char/virtio_console.c:1176)
[   17.009076][  T158]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   17.009078][  T158]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   17.009081][  T158]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.009084][  T158]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   17.009088][  T158]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   17.009091][  T158]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.009092][  T158]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.009097][  T158]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   17.009100][  T158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.009103][  T158]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.009107][  T158]  console_emit_next_record (kernel/printk/printk.c:3183)
[   17.009110][  T158]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   17.009114][  T158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.009117][  T158]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.009120][  T158]  console_flush_one_record (kernel/printk/printk.c:3268)
[   17.009124][  T158]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   17.009126][  T158]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.009131][  T158]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   17.009133][  T158]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   17.009135][  T158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.009137][  T158]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   17.009141][  T158]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   17.009142][  T158]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   17.009146][  T158]  vprintk_emit (kernel/printk/printk.c:2479)
[   17.009149][  T158]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   17.009152][  T158]  ? _copy_from_iter (./include/linux/instrumented.h:146 lib/iov_iter.c:66 ./include/linux/iov_iter.h:30 ./include/linux/iov_iter.h:302 ./include/linux/iov_iter.h:330 lib/iov_iter.c:261 lib/iov_iter.c:272)
[   17.009158][  T158]  devkmsg_emit.constprop.0 (kernel/printk/printk.c:733)
[   17.009162][  T158]  ? vprintk_emit.cold (kernel/printk/printk.c:2449)
[   17.009166][  T158]  ? __kmalloc_noprof (mm/slub.c:5415 mm/slub.c:5439)
[   17.009168][  T158]  ? idr_get_free (??:?)
[   17.009172][  T158]  ? devkmsg_write (./include/linux/slab.h:995 kernel/printk/printk.c:762)
[   17.009175][  T158]  ? _copy_from_iter (./include/linux/instrumented.h:146 lib/iov_iter.c:66 ./include/linux/iov_iter.h:30 ./include/linux/iov_iter.h:302 ./include/linux/iov_iter.h:330 lib/iov_iter.c:261 lib/iov_iter.c:272)
[   17.009178][  T158]  devkmsg_write.cold (kernel/printk/printk.c:796)
[   17.009181][  T158]  ? vprintk_default (kernel/printk/printk.c:2494)
[   17.009182][  T158]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.009184][  T158]  ? vfs_lock_file (./include/linux/fs.h:1348)
[   17.009189][  T158]  ? vprintk_default (kernel/printk/printk.c:2494)
[   17.009191][  T158]  new_sync_write (fs/read_write.c:595)
[   17.009199][  T158]  ? new_sync_read (./include/linux/ioprio.h:41)
[   17.009201][  T158]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.009209][  T158]  vfs_write (fs/read_write.c:687)
[   17.009213][  T158]  ksys_write (fs/read_write.c:739)
[   17.009216][  T158]  ? __ia32_sys_read (fs/read_write.c:723)
[   17.009217][  T158]  ? 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)
[   17.009220][  T158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.009223][  T158]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   17.009225][  T158]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   17.009228][  T158]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.009231][  T158] RIP: 0033:0x7f49bce2154e
[   17.009235][  T158] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   17.009237][  T158] RSP: 002b:00007ffc7abbd5b0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   17.009240][  T158] RAX: ffffffffffffffda RBX: 00007f49bcfa2580 RCX: 00007f49bce2154e
[   17.009241][  T158] RDX: 0000000000000023 RSI: 000055a63521bab0 RDI: 0000000000000001
[   17.009242][  T158] RBP: 00007ffc7abbd5c0 R08: 0000000000000000 R09: 0000000000000000
[   17.009243][  T158] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000023
[   17.009244][  T158] R13: 0000000000000023 R14: 000055a63521bab0 R15: 0000000000000000
| [   20.785526][  T158] softirqs last disabled at (359341): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   20.785531][  T158] Preemption disabled at:
| [   20.785532][  T158] vprintk_emit (kernel/printk/printk.c:2471)
| [   20.785544][  T158] Tainted: [W]=WARN
[   20.785545][  T158] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.785548][  T158] Call Trace:
[   20.785550][  T158]  <TASK>
[   20.785553][  T158]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   20.785560][  T158]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   20.785563][  T158]  __might_resched.cold (kernel/sched/core.c:9234)
[   20.785570][  T158]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   20.785575][  T158]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   20.785582][  T158]  __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))
[   20.785586][  T158]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.785595][  T158]  ? 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)
[   20.785598][  T158]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.785604][  T158]  put_chars (drivers/char/virtio_console.c:1176)
[   20.785608][  T158]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   20.785611][  T158]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   20.785616][  T158]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.785620][  T158]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   20.785628][  T158]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   20.785632][  T158]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.785634][  T158]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.785641][  T158]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   20.785647][  T158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.785651][  T158]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.785659][  T158]  console_emit_next_record (kernel/printk/printk.c:3183)
[   20.785665][  T158]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   20.785672][  T158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.785676][  T158]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.785682][  T158]  console_flush_one_record (kernel/printk/printk.c:3268)
[   20.785689][  T158]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   20.785692][  T158]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.785701][  T158]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   20.785705][  T158]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   20.785707][  T158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.785711][  T158]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   20.785717][  T158]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   20.785719][  T158]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   20.785725][  T158]  vprintk_emit (kernel/printk/printk.c:2479)
[   20.785730][  T158]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   20.785736][  T158]  ? _copy_from_iter (./include/linux/instrumented.h:146 lib/iov_iter.c:66 ./include/linux/iov_iter.h:30 ./include/linux/iov_iter.h:302 ./include/linux/iov_iter.h:330 lib/iov_iter.c:261 lib/iov_iter.c:272)
[   20.785744][  T158]  devkmsg_emit.constprop.0 (kernel/printk/printk.c:733)
[   20.785750][  T158]  ? vprintk_emit.cold (kernel/printk/printk.c:2449)
[   20.785756][  T158]  ? __kmalloc_noprof (mm/slub.c:5415 mm/slub.c:5439)
[   20.785759][  T158]  ? idr_get_free (??:?)
[   20.785764][  T158]  ? devkmsg_write (./include/linux/slab.h:995 kernel/printk/printk.c:762)
[   20.785769][  T158]  ? _copy_from_iter (./include/linux/instrumented.h:146 lib/iov_iter.c:66 ./include/linux/iov_iter.h:30 ./include/linux/iov_iter.h:302 ./include/linux/iov_iter.h:330 lib/iov_iter.c:261 lib/iov_iter.c:272)
[   20.785774][  T158]  devkmsg_write.cold (kernel/printk/printk.c:796)
[   20.785778][  T158]  ? vprintk_default (kernel/printk/printk.c:2494)
[   20.785781][  T158]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.785784][  T158]  ? vfs_lock_file (./include/linux/fs.h:1348)
[   20.785791][  T158]  ? vprintk_default (kernel/printk/printk.c:2494)
[   20.785795][  T158]  new_sync_write (fs/read_write.c:595)
[   20.785803][  T158]  ? new_sync_read (./include/linux/ioprio.h:41)
[   20.785805][  T158]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.785820][  T158]  vfs_write (fs/read_write.c:687)
[   20.785828][  T158]  ksys_write (fs/read_write.c:739)
[   20.785832][  T158]  ? __ia32_sys_read (fs/read_write.c:723)
[   20.785835][  T158]  ? 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)
[   20.785839][  T158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.785845][  T158]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   20.785849][  T158]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   20.785854][  T158]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.785858][  T158] RIP: 0033:0x7f49bce2154e
[   20.785863][  T158] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   20.785866][  T158] RSP: 002b:00007ffc7abbd5b0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   20.785870][  T158] RAX: ffffffffffffffda RBX: 00007f49bcfa2580 RCX: 00007f49bce2154e
[   20.785872][  T158] RDX: 0000000000000023 RSI: 000055a63521bab0 RDI: 0000000000000001
[   20.785874][  T158] RBP: 00007ffc7abbd5c0 R08: 0000000000000000 R09: 0000000000000000
[   20.785876][  T158] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000023
[   20.785878][  T158] R13: 0000000000000023 R14: 000055a63521bab0 R15: 0000000000000000
| [   24.788103][  T158] softirqs last disabled at (486404): restore_fpregs_from_user (./include/linux/bottom_half.h:20 (discriminator 2) ./arch/x86/include/asm/fpu/api.h:69 (discriminator 2) arch/x86/kernel/fpu/signal.c:277 (discriminator 2))
| [   24.788105][  T158] Preemption disabled at:
| [   24.788106][  T158] vprintk_emit (kernel/printk/printk.c:2471)
| [   24.788116][  T158] Tainted: [W]=WARN
[   24.788117][  T158] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.788119][  T158] Call Trace:
[   24.788120][  T158]  <TASK>
[   24.788122][  T158]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   24.788127][  T158]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   24.788129][  T158]  __might_resched.cold (kernel/sched/core.c:9234)
[   24.788134][  T158]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   24.788138][  T158]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   24.788143][  T158]  __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))
[   24.788145][  T158]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.788151][  T158]  ? 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)
[   24.788153][  T158]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.788156][  T158]  put_chars (drivers/char/virtio_console.c:1176)
[   24.788159][  T158]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   24.788161][  T158]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   24.788164][  T158]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.788167][  T158]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   24.788171][  T158]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   24.788174][  T158]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.788176][  T158]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.788180][  T158]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   24.788183][  T158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.788186][  T158]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.788189][  T158]  console_emit_next_record (kernel/printk/printk.c:3183)
[   24.788193][  T158]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   24.788201][  T158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.788203][  T158]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.788207][  T158]  console_flush_one_record (kernel/printk/printk.c:3268)
[   24.788211][  T158]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   24.788212][  T158]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.788217][  T158]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   24.788220][  T158]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   24.788221][  T158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.788223][  T158]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   24.788227][  T158]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   24.788228][  T158]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   24.788232][  T158]  vprintk_emit (kernel/printk/printk.c:2479)
[   24.788235][  T158]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   24.788238][  T158]  ? _copy_from_iter (./include/linux/instrumented.h:146 lib/iov_iter.c:66 ./include/linux/iov_iter.h:30 ./include/linux/iov_iter.h:302 ./include/linux/iov_iter.h:330 lib/iov_iter.c:261 lib/iov_iter.c:272)
[   24.788244][  T158]  devkmsg_emit.constprop.0 (kernel/printk/printk.c:733)
[   24.788248][  T158]  ? vprintk_emit.cold (kernel/printk/printk.c:2449)
[   24.788252][  T158]  ? __kmalloc_noprof (mm/slub.c:5415 mm/slub.c:5439)
[   24.788254][  T158]  ? idr_get_free (??:?)
[   24.788257][  T158]  ? devkmsg_write (./include/linux/slab.h:995 kernel/printk/printk.c:762)
[   24.788260][  T158]  ? _copy_from_iter (./include/linux/instrumented.h:146 lib/iov_iter.c:66 ./include/linux/iov_iter.h:30 ./include/linux/iov_iter.h:302 ./include/linux/iov_iter.h:330 lib/iov_iter.c:261 lib/iov_iter.c:272)
[   24.788263][  T158]  devkmsg_write.cold (kernel/printk/printk.c:796)
[   24.788266][  T158]  ? vprintk_default (kernel/printk/printk.c:2494)
[   24.788267][  T158]  ? handle_pte_fault (mm/memory.c:6582)
[   24.788272][  T158]  ? do_numa_page.isra.0 (mm/memory.c:6319 (discriminator 1))
[   24.788275][  T158]  ? vprintk_default (kernel/printk/printk.c:2494)
[   24.788277][  T158]  new_sync_write (fs/read_write.c:595)
[   24.788282][  T158]  ? new_sync_read (./include/linux/ioprio.h:41)
[   24.788283][  T158]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   24.788291][  T158]  vfs_write (fs/read_write.c:687)
[   24.788295][  T158]  ksys_write (fs/read_write.c:739)
[   24.788298][  T158]  ? __ia32_sys_read (fs/read_write.c:723)
[   24.788300][  T158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.788303][  T158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.788306][  T158]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   24.788308][  T158]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   24.788311][  T158]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.788314][  T158] RIP: 0033:0x7f49bce2154e
[   24.788318][  T158] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   24.788320][  T158] RSP: 002b:00007ffc7abbd5b0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   24.788323][  T158] RAX: ffffffffffffffda RBX: 00007f49bcfa2580 RCX: 00007f49bce2154e
[   24.788325][  T158] RDX: 0000000000000023 RSI: 000055a63521bab0 RDI: 0000000000000001
[   24.788326][  T158] RBP: 00007ffc7abbd5c0 R08: 0000000000000000 R09: 0000000000000000
[   24.788326][  T158] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000023


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