======================================
| [   10.637206][  T170] softirqs last disabled at (33491): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   10.637210][  T170] Preemption disabled at:
| [   10.637210][  T170] vprintk_emit (kernel/printk/printk.c:2471)
| [   10.637222][  T170] Tainted: [W]=WARN
[   10.637223][  T170] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.637225][  T170] Call Trace:
[   10.637227][  T170]  <TASK>
[   10.637229][  T170]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.637236][  T170]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   10.637239][  T170]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.637245][  T170]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.637250][  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)
[   10.637257][  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))
[   10.637260][  T170]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.637269][  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)
[   10.637272][  T170]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.637277][  T170]  put_chars (drivers/char/virtio_console.c:1176)
[   10.637281][  T170]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.637286][  T170]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.637294][  T170]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.637304][  T170]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.637308][  T170]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.637313][  T170]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.637319][  T170]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.637325][  T170]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.637332][  T170]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.637336][  T170]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.637342][  T170]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.637349][  T170]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.637351][  T170]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.637360][  T170]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.637364][  T170]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.637366][  T170]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.637369][  T170]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.637375][  T170]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.637377][  T170]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.637382][  T170]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.637388][  T170]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.637391][  T170]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.637396][  T170]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.637398][  T170]  ? fast_dput (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) fs/dcache.c:948 (discriminator 2))
[   10.637405][  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
[   10.637411][  T170]  _printk (kernel/printk/printk.c:2504)
[   10.637415][  T170]  ? snapshot_read.cold (user.c:?)
[   10.637420][  T170]  ? __up_write (kernel/locking/rwsem.c:1422 (discriminator 1))
[   10.637425][  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
[   10.637432][  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)
[   10.637439][  T170] init_netconsole (drivers/net/netconsole.c:1286) netconsole
[   10.637444][  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
[   10.637456][  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
[   10.637461][  T170]  do_one_initcall (init/main.c:1357)
[   10.637466][  T170]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   10.637474][  T170]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   10.637477][  T170]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   10.637485][  T170]  do_init_module (kernel/module/main.c:3117)
[   10.637491][  T170]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   10.637496][  T170]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   10.637501][  T170]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   10.637508][  T170]  load_module (kernel/module/main.c:3593)
[   10.637519][  T170]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   10.637525][  T170]  ? __ia32_sys_fsconfig (??:?)
[   10.637529][  T170]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   10.637534][  T170]  ? backing_file_read_iter (fs/backing-file.c:211)
[   10.637539][  T170]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.637545][  T170]  init_module_from_file (kernel/module/main.c:3790)
[   10.637551][  T170]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   10.637564][  T170]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.637570][  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)
[   10.637574][  T170]  idempotent_init_module (kernel/module/main.c:3802)
[   10.637579][  T170]  ? init_module_from_file (kernel/module/main.c:3791)
[   10.637590][  T170]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.637593][  T170]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   10.637602][  T170]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   10.637605][  T170]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.637611][  T170]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.637613][  T170]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.637617][  T170]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.637621][  T170] RIP: 0033:0x7fc7c8c9237d
[   10.637625][  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
[   10.637628][  T170] RSP: 002b:00007ffc05fd9808 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   10.637631][  T170] RAX: ffffffffffffffda RBX: 00005597f0552700 RCX: 00007fc7c8c9237d
[   10.637633][  T170] RDX: 0000000000000000 RSI: 00005597e5242ffd RDI: 0000000000000005
[   10.637634][  T170] RBP: 00007ffc05fd98a0 R08: 0000000000000000 R09: 0000000000000000
[   10.637636][  T170] R10: 0000000000000000 R11: 0000000000000246 R12: 00005597e5242ffd
[   10.637637][  T170] R13: 00005597f0552810 R14: 0000000000040000 R15: 0000000000000000
| [   13.947632][  T158] softirqs last disabled at (119654): 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))
| [   13.947634][  T158] Preemption disabled at:
| [   13.947635][  T158] vprintk_emit (kernel/printk/printk.c:2471)
| [   13.947645][  T158] Tainted: [W]=WARN
[   13.947646][  T158] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.947648][  T158] Call Trace:
[   13.947649][  T158]  <TASK>
[   13.947651][  T158]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.947656][  T158]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   13.947659][  T158]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.947663][  T158]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.947667][  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)
[   13.947672][  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))
[   13.947674][  T158]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.947680][  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)
[   13.947683][  T158]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.947686][  T158]  put_chars (drivers/char/virtio_console.c:1176)
[   13.947689][  T158]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.947690][  T158]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   13.947694][  T158]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.947697][  T158]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.947701][  T158]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.947704][  T158]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.947705][  T158]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.947709][  T158]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.947712][  T158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.947715][  T158]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.947719][  T158]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.947729][  T158]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.947733][  T158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.947735][  T158]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.947739][  T158]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.947743][  T158]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.947744][  T158]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.947749][  T158]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.947752][  T158]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.947754][  T158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.947756][  T158]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   13.947759][  T158]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.947761][  T158]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.947764][  T158]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.947767][  T158]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.947770][  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)
[   13.947776][  T158]  devkmsg_emit.constprop.0 (kernel/printk/printk.c:733)
[   13.947780][  T158]  ? vprintk_emit.cold (kernel/printk/printk.c:2449)
[   13.947784][  T158]  ? __kmalloc_noprof (mm/slub.c:5415 mm/slub.c:5439)
[   13.947786][  T158]  ? idr_get_free (??:?)
[   13.947790][  T158]  ? devkmsg_write (./include/linux/slab.h:995 kernel/printk/printk.c:762)
[   13.947793][  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)
[   13.947796][  T158]  devkmsg_write.cold (kernel/printk/printk.c:796)
[   13.947799][  T158]  ? vprintk_default (kernel/printk/printk.c:2494)
[   13.947801][  T158]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.947803][  T158]  ? vfs_lock_file (./include/linux/fs.h:1348)
[   13.947807][  T158]  ? vprintk_default (kernel/printk/printk.c:2494)
[   13.947810][  T158]  new_sync_write (fs/read_write.c:595)
[   13.947814][  T158]  ? new_sync_read (./include/linux/ioprio.h:41)
[   13.947816][  T158]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.947826][  T158]  vfs_write (fs/read_write.c:687)
[   13.947831][  T158]  ksys_write (fs/read_write.c:739)
[   13.947834][  T158]  ? __ia32_sys_read (fs/read_write.c:723)
[   13.947835][  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)
[   13.947838][  T158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.947841][  T158]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.947844][  T158]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   13.947847][  T158]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.947850][  T158] RIP: 0033:0x7f014cdde54e
[   13.947854][  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
[   13.947856][  T158] RSP: 002b:00007ffd1e996650 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   13.947859][  T158] RAX: ffffffffffffffda RBX: 00007f014cf5f580 RCX: 00007f014cdde54e
[   13.947860][  T158] RDX: 0000000000000023 RSI: 00005633d8301ab0 RDI: 0000000000000001
[   13.947861][  T158] RBP: 00007ffd1e996660 R08: 0000000000000000 R09: 0000000000000000
[   13.947862][  T158] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000023
[   13.947863][  T158] R13: 0000000000000023 R14: 00005633d8301ab0 R15: 0000000000000000
| [   17.900164][  T158] softirqs last disabled at (229697): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   17.900168][  T158] Preemption disabled at:
| [   17.900169][  T158] vprintk_emit (kernel/printk/printk.c:2471)
| [   17.900181][  T158] Tainted: [W]=WARN
[   17.900182][  T158] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.900184][  T158] Call Trace:
[   17.900187][  T158]  <TASK>
[   17.900189][  T158]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   17.900196][  T158]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   17.900199][  T158]  __might_resched.cold (kernel/sched/core.c:9234)
[   17.900204][  T158]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   17.900209][  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)
[   17.900215][  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))
[   17.900218][  T158]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.900226][  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)
[   17.900230][  T158]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.900235][  T158]  put_chars (drivers/char/virtio_console.c:1176)
[   17.900239][  T158]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   17.900242][  T158]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   17.900247][  T158]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.900251][  T158]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   17.900258][  T158]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   17.900262][  T158]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.900264][  T158]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.900271][  T158]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   17.900276][  T158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.900280][  T158]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.900287][  T158]  console_emit_next_record (kernel/printk/printk.c:3183)
[   17.900292][  T158]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   17.900299][  T158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.900302][  T158]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.900309][  T158]  console_flush_one_record (kernel/printk/printk.c:3268)
[   17.900315][  T158]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   17.900318][  T158]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.900326][  T158]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   17.900330][  T158]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   17.900333][  T158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.900336][  T158]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   17.900342][  T158]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   17.900344][  T158]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   17.900349][  T158]  vprintk_emit (kernel/printk/printk.c:2479)
[   17.900355][  T158]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   17.900359][  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)
[   17.900368][  T158]  devkmsg_emit.constprop.0 (kernel/printk/printk.c:733)
[   17.900373][  T158]  ? vprintk_emit.cold (kernel/printk/printk.c:2449)
[   17.900379][  T158]  ? __kmalloc_noprof (mm/slub.c:5415 mm/slub.c:5439)
[   17.900382][  T158]  ? idr_get_free (??:?)
[   17.900387][  T158]  ? devkmsg_write (./include/linux/slab.h:995 kernel/printk/printk.c:762)
[   17.900391][  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)
[   17.900396][  T158]  devkmsg_write.cold (kernel/printk/printk.c:796)
[   17.900400][  T158]  ? vprintk_default (kernel/printk/printk.c:2494)
[   17.900403][  T158]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.900406][  T158]  ? vfs_lock_file (./include/linux/fs.h:1348)
[   17.900413][  T158]  ? vprintk_default (kernel/printk/printk.c:2494)
[   17.900417][  T158]  new_sync_write (fs/read_write.c:595)
[   17.900424][  T158]  ? new_sync_read (./include/linux/ioprio.h:41)
[   17.900426][  T158]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.900441][  T158]  vfs_write (fs/read_write.c:687)
[   17.900448][  T158]  ksys_write (fs/read_write.c:739)
[   17.900452][  T158]  ? __ia32_sys_read (fs/read_write.c:723)
[   17.900455][  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)
[   17.900459][  T158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.900465][  T158]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   17.900468][  T158]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   17.900473][  T158]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.900476][  T158] RIP: 0033:0x7f014cdde54e
[   17.900481][  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
[   17.900484][  T158] RSP: 002b:00007ffd1e996650 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   17.900488][  T158] RAX: ffffffffffffffda RBX: 00007f014cf5f580 RCX: 00007f014cdde54e
[   17.900490][  T158] RDX: 0000000000000023 RSI: 00005633d8301ab0 RDI: 0000000000000001
[   17.900491][  T158] RBP: 00007ffd1e996660 R08: 0000000000000000 R09: 0000000000000000
[   17.900493][  T158] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000023
[   17.900494][  T158] R13: 0000000000000023 R14: 00005633d8301ab0 R15: 0000000000000000
| [   21.971652][  T158] softirqs last disabled at (378824): 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))
| [   21.971655][  T158] Preemption disabled at:
| [   21.971656][  T158] vprintk_emit (kernel/printk/printk.c:2471)
| [   21.971669][  T158] Tainted: [W]=WARN
[   21.971670][  T158] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.971673][  T158] Call Trace:
[   21.971675][  T158]  <TASK>
[   21.971678][  T158]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   21.971684][  T158]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   21.971688][  T158]  __might_resched.cold (kernel/sched/core.c:9234)
[   21.971694][  T158]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   21.971700][  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)
[   21.971707][  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))
[   21.971711][  T158]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.971720][  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)
[   21.971723][  T158]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.971728][  T158]  put_chars (drivers/char/virtio_console.c:1176)
[   21.971733][  T158]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   21.971735][  T158]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   21.971741][  T158]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.971745][  T158]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   21.971757][  T158]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   21.971762][  T158]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.971764][  T158]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.971771][  T158]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   21.971777][  T158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.971781][  T158]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.971788][  T158]  console_emit_next_record (kernel/printk/printk.c:3183)
[   21.971794][  T158]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   21.971801][  T158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.971805][  T158]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.971811][  T158]  console_flush_one_record (kernel/printk/printk.c:3268)
[   21.971822][  T158]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   21.971825][  T158]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.971833][  T158]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   21.971838][  T158]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   21.971840][  T158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.971844][  T158]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   21.971850][  T158]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   21.971852][  T158]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   21.971857][  T158]  vprintk_emit (kernel/printk/printk.c:2479)
[   21.971863][  T158]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   21.971868][  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)
[   21.971877][  T158]  devkmsg_emit.constprop.0 (kernel/printk/printk.c:733)
[   21.971883][  T158]  ? vprintk_emit.cold (kernel/printk/printk.c:2449)
[   21.971889][  T158]  ? __kmalloc_noprof (mm/slub.c:5415 mm/slub.c:5439)
[   21.971892][  T158]  ? idr_get_free (??:?)
[   21.971897][  T158]  ? devkmsg_write (./include/linux/slab.h:995 kernel/printk/printk.c:762)
[   21.971902][  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)
[   21.971906][  T158]  devkmsg_write.cold (kernel/printk/printk.c:796)
[   21.971911][  T158]  ? vprintk_default (kernel/printk/printk.c:2494)
[   21.971913][  T158]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.971917][  T158]  ? vfs_lock_file (./include/linux/fs.h:1348)
[   21.971923][  T158]  ? vprintk_default (kernel/printk/printk.c:2494)
[   21.971927][  T158]  new_sync_write (fs/read_write.c:595)
[   21.971935][  T158]  ? new_sync_read (./include/linux/ioprio.h:41)
[   21.971937][  T158]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.971952][  T158]  vfs_write (fs/read_write.c:687)
[   21.971959][  T158]  ksys_write (fs/read_write.c:739)
[   21.971963][  T158]  ? __ia32_sys_read (fs/read_write.c:723)
[   21.971966][  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)
[   21.971970][  T158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.971976][  T158]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   21.971980][  T158]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   21.971985][  T158]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.971988][  T158] RIP: 0033:0x7f014cdde54e
[   21.971994][  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
[   21.971996][  T158] RSP: 002b:00007ffd1e996650 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   21.972000][  T158] RAX: ffffffffffffffda RBX: 00007f014cf5f580 RCX: 00007f014cdde54e
[   21.972003][  T158] RDX: 0000000000000023 RSI: 00005633d8301ab0 RDI: 0000000000000001
[   21.972004][  T158] RBP: 00007ffd1e996660 R08: 0000000000000000 R09: 0000000000000000
[   21.972006][  T158] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000023
[   21.972007][  T158] R13: 0000000000000023 R14: 00005633d8301ab0 R15: 0000000000000000
| [   26.141666][  T158] softirqs last disabled at (502310): 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))
| [   26.141668][  T158] Preemption disabled at:
| [   26.141669][  T158] vprintk_emit (kernel/printk/printk.c:2471)
| [   26.141679][  T158] Tainted: [W]=WARN
[   26.141680][  T158] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.141682][  T158] Call Trace:
[   26.141684][  T158]  <TASK>
[   26.141686][  T158]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   26.141691][  T158]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   26.141693][  T158]  __might_resched.cold (kernel/sched/core.c:9234)
[   26.141698][  T158]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   26.141702][  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)
[   26.141707][  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))
[   26.141709][  T158]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.141715][  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)
[   26.141718][  T158]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.141722][  T158]  put_chars (drivers/char/virtio_console.c:1176)
[   26.141725][  T158]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   26.141727][  T158]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   26.141730][  T158]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   26.141733][  T158]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   26.141737][  T158]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   26.141740][  T158]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.141742][  T158]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.141746][  T158]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   26.141749][  T158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.141753][  T158]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.141757][  T158]  console_emit_next_record (kernel/printk/printk.c:3183)
[   26.141767][  T158]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   26.141772][  T158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.141774][  T158]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.141778][  T158]  console_flush_one_record (kernel/printk/printk.c:3268)
[   26.141782][  T158]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   26.141784][  T158]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.141789][  T158]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   26.141791][  T158]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   26.141793][  T158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.141796][  T158]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   26.141799][  T158]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   26.141801][  T158]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   26.141804][  T158]  vprintk_emit (kernel/printk/printk.c:2479)
[   26.141807][  T158]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   26.141811][  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)
[   26.141817][  T158]  devkmsg_emit.constprop.0 (kernel/printk/printk.c:733)
[   26.141824][  T158]  ? vprintk_emit.cold (kernel/printk/printk.c:2449)
[   26.141828][  T158]  ? __kmalloc_noprof (mm/slub.c:5415 mm/slub.c:5439)
[   26.141830][  T158]  ? idr_get_free (??:?)
[   26.141834][  T158]  ? devkmsg_write (./include/linux/slab.h:995 kernel/printk/printk.c:762)
[   26.141837][  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)
[   26.141840][  T158]  devkmsg_write.cold (kernel/printk/printk.c:796)
[   26.141843][  T158]  ? vprintk_default (kernel/printk/printk.c:2494)
[   26.141845][  T158]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.141847][  T158]  ? vfs_lock_file (./include/linux/fs.h:1348)
[   26.141852][  T158]  ? vprintk_default (kernel/printk/printk.c:2494)
[   26.141855][  T158]  new_sync_write (fs/read_write.c:595)
[   26.141860][  T158]  ? new_sync_read (./include/linux/ioprio.h:41)
[   26.141861][  T158]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   26.141870][  T158]  vfs_write (fs/read_write.c:687)
[   26.141874][  T158]  ksys_write (fs/read_write.c:739)
[   26.141877][  T158]  ? __ia32_sys_read (fs/read_write.c:723)
[   26.141879][  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)
[   26.141881][  T158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.141885][  T158]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   26.141888][  T158]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   26.141891][  T158]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.141894][  T158] RIP: 0033:0x7f014cdde54e
[   26.141898][  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
[   26.141900][  T158] RSP: 002b:00007ffd1e996650 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   26.141903][  T158] RAX: ffffffffffffffda RBX: 00007f014cf5f580 RCX: 00007f014cdde54e
[   26.141905][  T158] RDX: 0000000000000023 RSI: 00005633d8301ab0 RDI: 0000000000000001
[   26.141906][  T158] RBP: 00007ffd1e996660 R08: 0000000000000000 R09: 0000000000000000
[   26.141907][  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