======================================
| [   10.344277][  T170] softirqs last disabled at (44283): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   10.344280][  T170] Preemption disabled at:
| [   10.344280][  T170] vprintk_emit (kernel/printk/printk.c:2471)
| [   10.344289][  T170] Tainted: [W]=WARN
[   10.344290][  T170] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.344292][  T170] Call Trace:
[   10.344294][  T170]  <TASK>
[   10.344296][  T170]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.344301][  T170]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   10.344303][  T170]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.344308][  T170]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.344311][  T170]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.344316][  T170]  __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))
[   10.344318][  T170]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.344325][  T170]  ? 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)
[   10.344327][  T170]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.344330][  T170]  put_chars (drivers/char/virtio_console.c:1176)
[   10.344333][  T170]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.344336][  T170]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.344342][  T170]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.344348][  T170]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.344351][  T170]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.344354][  T170]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.344358][  T170]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.344362][  T170]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.344367][  T170]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.344369][  T170]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.344373][  T170]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.344377][  T170]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.344378][  T170]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.344384][  T170]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.344386][  T170]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.344388][  T170]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.344390][  T170]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.344394][  T170]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.344395][  T170]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.344398][  T170]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.344402][  T170]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.344404][  T170]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.344408][  T170]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.344409][  T170]  ? fast_dput (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) fs/dcache.c:948 (discriminator 2))
[   10.344414][  T170]  ? 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
[   10.344419][  T170]  _printk (kernel/printk/printk.c:2504)
[   10.344422][  T170]  ? snapshot_read.cold (user.c:?)
[   10.344425][  T170]  ? __up_write (kernel/locking/rwsem.c:1422 (discriminator 1))
[   10.344429][  T170]  ? 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
[   10.344433][  T170]  ? 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)
[   10.344438][  T170] init_netconsole (drivers/net/netconsole.c:1286) netconsole
[   10.344442][  T170]  ? 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
[   10.344449][  T170]  ? 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
[   10.344452][  T170]  do_one_initcall (init/main.c:1357)
[   10.344455][  T170]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   10.344461][  T170]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   10.344463][  T170]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   10.344469][  T170]  do_init_module (kernel/module/main.c:3117)
[   10.344473][  T170]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   10.344477][  T170]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   10.344480][  T170]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   10.344484][  T170]  load_module (kernel/module/main.c:3593)
[   10.344491][  T170]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   10.344495][  T170]  ? __ia32_sys_fsconfig (??:?)
[   10.344498][  T170]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   10.344502][  T170]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.344504][  T170]  ? backing_file_read_iter (fs/backing-file.c:211)
[   10.344508][  T170]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.344512][  T170]  init_module_from_file (kernel/module/main.c:3790)
[   10.344515][  T170]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   10.344524][  T170]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.344527][  T170]  ? 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)
[   10.344530][  T170]  idempotent_init_module (kernel/module/main.c:3802)
[   10.344533][  T170]  ? init_module_from_file (kernel/module/main.c:3791)
[   10.344540][  T170]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.344542][  T170]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   10.344548][  T170]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   10.344550][  T170]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.344554][  T170]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.344556][  T170]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.344560][  T170]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.344562][  T170] RIP: 0033:0x7f94980ec37d
[   10.344565][  T170] 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
[   10.344567][  T170] RSP: 002b:00007ffca66efb78 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   10.344570][  T170] RAX: ffffffffffffffda RBX: 000055b5219a3700 RCX: 00007f94980ec37d
[   10.344571][  T170] RDX: 0000000000000000 RSI: 000055b4fab2fffd RDI: 0000000000000005
[   10.344572][  T170] RBP: 00007ffca66efc10 R08: 0000000000000000 R09: 0000000000000000
[   10.344573][  T170] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b4fab2fffd
[   10.344574][  T170] R13: 000055b5219a3810 R14: 0000000000040000 R15: 0000000000000000
| [   13.923886][  T158] softirqs last disabled at (132542): 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))
| [   13.923890][  T158] Preemption disabled at:
| [   13.923891][  T158] vprintk_emit (kernel/printk/printk.c:2471)
| [   13.923904][  T158] Tainted: [W]=WARN
[   13.923905][  T158] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.923908][  T158] Call Trace:
[   13.923910][  T158]  <TASK>
[   13.923913][  T158]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.923919][  T158]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   13.923922][  T158]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.923929][  T158]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.923934][  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)
[   13.923941][  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))
[   13.923945][  T158]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.923953][  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)
[   13.923957][  T158]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.923962][  T158]  put_chars (drivers/char/virtio_console.c:1176)
[   13.923967][  T158]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.923969][  T158]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   13.923975][  T158]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.923978][  T158]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.923986][  T158]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.923990][  T158]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.923992][  T158]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.923998][  T158]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.924004][  T158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.924008][  T158]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.924014][  T158]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.924020][  T158]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.924027][  T158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.924031][  T158]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.924037][  T158]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.924044][  T158]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.924046][  T158]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.924055][  T158]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.924059][  T158]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.924062][  T158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.924065][  T158]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   13.924071][  T158]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.924074][  T158]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.924079][  T158]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.924084][  T158]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.924089][  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)
[   13.924103][  T158]  devkmsg_emit.constprop.0 (kernel/printk/printk.c:733)
[   13.924108][  T158]  ? vprintk_emit.cold (kernel/printk/printk.c:2449)
[   13.924115][  T158]  ? __kmalloc_noprof (mm/slub.c:5415 mm/slub.c:5439)
[   13.924118][  T158]  ? idr_get_free (??:?)
[   13.924123][  T158]  ? devkmsg_write (./include/linux/slab.h:995 kernel/printk/printk.c:762)
[   13.924128][  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)
[   13.924132][  T158]  devkmsg_write.cold (kernel/printk/printk.c:796)
[   13.924137][  T158]  ? vprintk_default (kernel/printk/printk.c:2494)
[   13.924139][  T158]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.924143][  T158]  ? vfs_lock_file (./include/linux/fs.h:1348)
[   13.924149][  T158]  ? vprintk_default (kernel/printk/printk.c:2494)
[   13.924152][  T158]  new_sync_write (fs/read_write.c:595)
[   13.924160][  T158]  ? new_sync_read (./include/linux/ioprio.h:41)
[   13.924162][  T158]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.924175][  T158]  vfs_write (fs/read_write.c:687)
[   13.924181][  T158]  ksys_write (fs/read_write.c:739)
[   13.924186][  T158]  ? __ia32_sys_read (fs/read_write.c:723)
[   13.924188][  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)
[   13.924192][  T158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.924197][  T158]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.924201][  T158]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   13.924206][  T158]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.924210][  T158] RIP: 0033:0x7fd305c1154e
[   13.924215][  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
[   13.924218][  T158] RSP: 002b:00007ffc34c5ce90 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   13.924224][  T158] RAX: ffffffffffffffda RBX: 00007fd305d92580 RCX: 00007fd305c1154e
[   13.924226][  T158] RDX: 0000000000000023 RSI: 00005584bf972ab0 RDI: 0000000000000001
[   13.924228][  T158] RBP: 00007ffc34c5cea0 R08: 0000000000000000 R09: 0000000000000000
[   13.924229][  T158] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000023
[   13.924231][  T158] R13: 0000000000000023 R14: 00005584bf972ab0 R15: 0000000000000000
| [   17.856701][  T158] softirqs last disabled at (273562): 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))
| [   17.856705][  T158] Preemption disabled at:
| [   17.856706][  T158] vprintk_emit (kernel/printk/printk.c:2471)
| [   17.856719][  T158] Tainted: [W]=WARN
[   17.856720][  T158] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.856723][  T158] Call Trace:
[   17.856725][  T158]  <TASK>
[   17.856728][  T158]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   17.856735][  T158]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   17.856738][  T158]  __might_resched.cold (kernel/sched/core.c:9234)
[   17.856744][  T158]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   17.856750][  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)
[   17.856757][  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))
[   17.856761][  T158]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.856770][  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)
[   17.856774][  T158]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.856779][  T158]  put_chars (drivers/char/virtio_console.c:1176)
[   17.856784][  T158]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   17.856786][  T158]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   17.856798][  T158]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.856802][  T158]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   17.856809][  T158]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   17.856814][  T158]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.856816][  T158]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.856824][  T158]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   17.856829][  T158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.856834][  T158]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.856841][  T158]  console_emit_next_record (kernel/printk/printk.c:3183)
[   17.856847][  T158]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   17.856854][  T158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.856858][  T158]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.856865][  T158]  console_flush_one_record (kernel/printk/printk.c:3268)
[   17.856872][  T158]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   17.856874][  T158]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.856884][  T158]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   17.856888][  T158]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   17.856891][  T158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.856894][  T158]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   17.856900][  T158]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   17.856903][  T158]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   17.856909][  T158]  vprintk_emit (kernel/printk/printk.c:2479)
[   17.856914][  T158]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   17.856920][  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)
[   17.856928][  T158]  devkmsg_emit.constprop.0 (kernel/printk/printk.c:733)
[   17.856934][  T158]  ? vprintk_emit.cold (kernel/printk/printk.c:2449)
[   17.856941][  T158]  ? __kmalloc_noprof (mm/slub.c:5415 mm/slub.c:5439)
[   17.856944][  T158]  ? idr_get_free (??:?)
[   17.856948][  T158]  ? devkmsg_write (./include/linux/slab.h:995 kernel/printk/printk.c:762)
[   17.856954][  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)
[   17.856958][  T158]  devkmsg_write.cold (kernel/printk/printk.c:796)
[   17.856963][  T158]  ? vprintk_default (kernel/printk/printk.c:2494)
[   17.856965][  T158]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.856969][  T158]  ? vfs_lock_file (./include/linux/fs.h:1348)
[   17.856976][  T158]  ? vprintk_default (kernel/printk/printk.c:2494)
[   17.856980][  T158]  new_sync_write (fs/read_write.c:595)
[   17.856988][  T158]  ? new_sync_read (./include/linux/ioprio.h:41)
[   17.856990][  T158]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.857005][  T158]  vfs_write (fs/read_write.c:687)
[   17.857013][  T158]  ksys_write (fs/read_write.c:739)
[   17.857018][  T158]  ? __ia32_sys_read (fs/read_write.c:723)
[   17.857021][  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)
[   17.857025][  T158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.857031][  T158]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   17.857034][  T158]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   17.857040][  T158]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.857043][  T158] RIP: 0033:0x7fd305c1154e
[   17.857049][  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
[   17.857052][  T158] RSP: 002b:00007ffc34c5ce90 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   17.857056][  T158] RAX: ffffffffffffffda RBX: 00007fd305d92580 RCX: 00007fd305c1154e
[   17.857058][  T158] RDX: 0000000000000023 RSI: 00005584bf972ab0 RDI: 0000000000000001
[   17.857060][  T158] RBP: 00007ffc34c5cea0 R08: 0000000000000000 R09: 0000000000000000
[   17.857062][  T158] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000023
[   17.857064][  T158] R13: 0000000000000023 R14: 00005584bf972ab0 R15: 0000000000000000
| [   21.664911][  T158] softirqs last disabled at (419168): 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))
| [   21.664913][  T158] Preemption disabled at:
| [   21.664914][  T158] vprintk_emit (kernel/printk/printk.c:2471)
| [   21.664924][  T158] Tainted: [W]=WARN
[   21.664924][  T158] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.664926][  T158] Call Trace:
[   21.664928][  T158]  <TASK>
[   21.664930][  T158]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   21.664935][  T158]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   21.664937][  T158]  __might_resched.cold (kernel/sched/core.c:9234)
[   21.664941][  T158]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   21.664945][  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)
[   21.664950][  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))
[   21.664952][  T158]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.664958][  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)
[   21.664960][  T158]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.664963][  T158]  put_chars (drivers/char/virtio_console.c:1176)
[   21.664966][  T158]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   21.664968][  T158]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   21.664971][  T158]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.664974][  T158]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   21.664978][  T158]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   21.664981][  T158]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.664982][  T158]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.664986][  T158]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   21.664989][  T158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.664993][  T158]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.664996][  T158]  console_emit_next_record (kernel/printk/printk.c:3183)
[   21.665000][  T158]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   21.665004][  T158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.665006][  T158]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.665010][  T158]  console_flush_one_record (kernel/printk/printk.c:3268)
[   21.665014][  T158]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   21.665015][  T158]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.665020][  T158]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   21.665023][  T158]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   21.665025][  T158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.665027][  T158]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   21.665030][  T158]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   21.665032][  T158]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   21.665035][  T158]  vprintk_emit (kernel/printk/printk.c:2479)
[   21.665038][  T158]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   21.665041][  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)
[   21.665047][  T158]  devkmsg_emit.constprop.0 (kernel/printk/printk.c:733)
[   21.665051][  T158]  ? vprintk_emit.cold (kernel/printk/printk.c:2449)
[   21.665055][  T158]  ? __kmalloc_noprof (mm/slub.c:5415 mm/slub.c:5439)
[   21.665057][  T158]  ? idr_get_free (??:?)
[   21.665061][  T158]  ? devkmsg_write (./include/linux/slab.h:995 kernel/printk/printk.c:762)
[   21.665064][  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)
[   21.665066][  T158]  devkmsg_write.cold (kernel/printk/printk.c:796)
[   21.665069][  T158]  ? vprintk_default (kernel/printk/printk.c:2494)
[   21.665071][  T158]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.665073][  T158]  ? vfs_lock_file (./include/linux/fs.h:1348)
[   21.665077][  T158]  ? vprintk_default (kernel/printk/printk.c:2494)
[   21.665080][  T158]  new_sync_write (fs/read_write.c:595)
[   21.665085][  T158]  ? new_sync_read (./include/linux/ioprio.h:41)
[   21.665086][  T158]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.665094][  T158]  vfs_write (fs/read_write.c:687)
[   21.665101][  T158]  ksys_write (fs/read_write.c:739)
[   21.665104][  T158]  ? __ia32_sys_read (fs/read_write.c:723)
[   21.665106][  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)
[   21.665109][  T158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.665112][  T158]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   21.665114][  T158]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   21.665117][  T158]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.665120][  T158] RIP: 0033:0x7fd305c1154e
[   21.665124][  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
[   21.665125][  T158] RSP: 002b:00007ffc34c5ce90 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   21.665129][  T158] RAX: ffffffffffffffda RBX: 00007fd305d92580 RCX: 00007fd305c1154e
[   21.665130][  T158] RDX: 0000000000000023 RSI: 00005584bf972ab0 RDI: 0000000000000001
[   21.665131][  T158] RBP: 00007ffc34c5cea0 R08: 0000000000000000 R09: 0000000000000000
[   21.665132][  T158] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000023
[   21.665133][  T158] R13: 0000000000000023 R14: 00005584bf972ab0 R15: 0000000000000000
| [   25.725309][  T158] softirqs last disabled at (559639): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   25.725312][  T158] Preemption disabled at:
| [   25.725313][  T158] vprintk_emit (kernel/printk/printk.c:2471)
| [   25.725322][  T158] Tainted: [W]=WARN
[   25.725323][  T158] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.725325][  T158] Call Trace:
[   25.725327][  T158]  <TASK>
[   25.725329][  T158]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   25.725334][  T158]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   25.725336][  T158]  __might_resched.cold (kernel/sched/core.c:9234)
[   25.725341][  T158]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   25.725344][  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)
[   25.725349][  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))
[   25.725351][  T158]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.725357][  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)
[   25.725359][  T158]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.725363][  T158]  put_chars (drivers/char/virtio_console.c:1176)
[   25.725366][  T158]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   25.725367][  T158]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   25.725370][  T158]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   25.725373][  T158]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   25.725378][  T158]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   25.725380][  T158]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.725382][  T158]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.725386][  T158]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   25.725389][  T158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.725392][  T158]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.725396][  T158]  console_emit_next_record (kernel/printk/printk.c:3183)
[   25.725399][  T158]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   25.725403][  T158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.725405][  T158]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.725409][  T158]  console_flush_one_record (kernel/printk/printk.c:3268)
[   25.725413][  T158]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   25.725414][  T158]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.725419][  T158]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   25.725422][  T158]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   25.725423][  T158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.725426][  T158]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   25.725429][  T158]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   25.725430][  T158]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   25.725433][  T158]  vprintk_emit (kernel/printk/printk.c:2479)
[   25.725437][  T158]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   25.725440][  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)
[   25.725446][  T158]  devkmsg_emit.constprop.0 (kernel/printk/printk.c:733)
[   25.725450][  T158]  ? vprintk_emit.cold (kernel/printk/printk.c:2449)
[   25.725454][  T158]  ? __kmalloc_noprof (mm/slub.c:5415 mm/slub.c:5439)
[   25.725455][  T158]  ? idr_get_free (??:?)
[   25.725459][  T158]  ? devkmsg_write (./include/linux/slab.h:995 kernel/printk/printk.c:762)
[   25.725462][  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)
[   25.725465][  T158]  devkmsg_write.cold (kernel/printk/printk.c:796)
[   25.725468][  T158]  ? vprintk_default (kernel/printk/printk.c:2494)
[   25.725470][  T158]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.725472][  T158]  ? vfs_lock_file (./include/linux/fs.h:1348)
[   25.725476][  T158]  ? vprintk_default (kernel/printk/printk.c:2494)
[   25.725479][  T158]  new_sync_write (fs/read_write.c:595)
[   25.725484][  T158]  ? new_sync_read (./include/linux/ioprio.h:41)
[   25.725485][  T158]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   25.725493][  T158]  vfs_write (fs/read_write.c:687)
[   25.725497][  T158]  ksys_write (fs/read_write.c:739)
[   25.725500][  T158]  ? __ia32_sys_read (fs/read_write.c:723)
[   25.725501][  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)
[   25.725504][  T158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.725507][  T158]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   25.725510][  T158]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   25.725513][  T158]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.725515][  T158] RIP: 0033:0x7fd305c1154e
[   25.725519][  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
[   25.725521][  T158] RSP: 002b:00007ffc34c5ce90 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   25.725524][  T158] RAX: ffffffffffffffda RBX: 00007fd305d92580 RCX: 00007fd305c1154e
[   25.725525][  T158] RDX: 0000000000000023 RSI: 00005584bf972ab0 RDI: 0000000000000001
[   25.725526][  T158] RBP: 00007ffc34c5cea0 R08: 0000000000000000 R09: 0000000000000000
[   25.725527][  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