======================================
| [    9.927782][  T170] softirqs last disabled at (20667): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [    9.927785][  T170] Preemption disabled at:
| [    9.927786][  T170] 0x0
| [    9.927796][  T170] Tainted: [W]=WARN
[    9.927797][  T170] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.927799][  T170] Call Trace:
[    9.927801][  T170]  <TASK>
[    9.927803][  T170]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    9.927809][  T170]  __might_resched.cold (kernel/sched/core.c:9234)
[    9.927813][  T170]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[    9.927817][  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)
[    9.927822][  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))
[    9.927824][  T170]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.927829][  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)
[    9.927832][  T170]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.927835][  T170]  put_chars (drivers/char/virtio_console.c:1176)
[    9.927838][  T170]  ? __send_to_port (drivers/char/virtio_console.c:654)
[    9.927839][  T170]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[    9.927842][  T170]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.927845][  T170]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    9.927849][  T170]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[    9.927852][  T170]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.927853][  T170]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.927858][  T170]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[    9.927861][  T170]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.927863][  T170]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.927867][  T170]  console_emit_next_record (kernel/printk/printk.c:3183)
[    9.927871][  T170]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    9.927875][  T170]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.927877][  T170]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.927881][  T170]  console_flush_one_record (kernel/printk/printk.c:3268)
[    9.927884][  T170]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    9.927886][  T170]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.927891][  T170]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    9.927893][  T170]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    9.927895][  T170]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.927897][  T170]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[    9.927900][  T170]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    9.927902][  T170]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    9.927905][  T170]  vprintk_emit (kernel/printk/printk.c:2479)
[    9.927908][  T170]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    9.927912][  T170]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.927915][  T170]  _printk (kernel/printk/printk.c:2504)
[    9.927918][  T170]  ? snapshot_read.cold (user.c:?)
[    9.927921][  T170]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[    9.927924][  T170]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    9.927927][  T170]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[    9.927929][  T170]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[    9.927933][  T170]  ? exit_notify (kernel/exit.c:780)
[    9.927935][  T170]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.927937][  T170]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.927941][  T170]  do_group_exit (kernel/exit.c:1151)
[    9.927945][  T170]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[    9.927947][  T170]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[    9.927949][  T170]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    9.927952][  T170]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    9.927956][  T170]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.927958][  T170] RIP: 0033:0x7f933b3b01b8
[    9.927960][  T170] Code: Unable to access opcode bytes at 0x7f933b3b018e.

Code starting with the faulting instruction
===========================================
[    9.927962][  T170] RSP: 002b:00007fff496d01d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[    9.927964][  T170] RAX: ffffffffffffffda RBX: 00007f933b4e0f88 RCX: 00007f933b3b01b8
[    9.927965][  T170] RDX: 00007f933b2eeec8 RSI: ffffffffffffffa8 RDI: 0000000000000001
[    9.927966][  T170] RBP: 00007fff496d0230 R08: 0000000000000000 R09: 00000000000000a0
[    9.927967][  T170] R10: 00007fff496d0030 R11: 0000000000000246 R12: 0000000000000001
[    9.927968][  T170] R13: 0000000000000001 R14: 00007f933b4df680 R15: 00007f933b4e0fa0
| [   12.542498][  T158] softirqs last disabled at (190964): 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))
| [   12.542501][  T158] Preemption disabled at:
| [   12.542501][  T158] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.542511][  T158] Tainted: [W]=WARN
[   12.542512][  T158] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.542514][  T158] Call Trace:
[   12.542516][  T158]  <TASK>
[   12.542518][  T158]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.542523][  T158]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.542525][  T158]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.542530][  T158]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.542533][  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)
[   12.542538][  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))
[   12.542540][  T158]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.542546][  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)
[   12.542549][  T158]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.542552][  T158]  put_chars (drivers/char/virtio_console.c:1176)
[   12.542555][  T158]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.542557][  T158]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   12.542560][  T158]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.542564][  T158]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.542569][  T158]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.542571][  T158]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.542573][  T158]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.542577][  T158]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.542580][  T158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.542583][  T158]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.542587][  T158]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.542591][  T158]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.542595][  T158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.542597][  T158]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.542601][  T158]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.542605][  T158]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.542607][  T158]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.542612][  T158]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.542614][  T158]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.542616][  T158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.542618][  T158]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.542622][  T158]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.542623][  T158]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.542626][  T158]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.542630][  T158]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.542633][  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)
[   12.542639][  T158]  devkmsg_emit.constprop.0 (kernel/printk/printk.c:733)
[   12.542643][  T158]  ? vprintk_emit.cold (kernel/printk/printk.c:2449)
[   12.542647][  T158]  ? __kmalloc_noprof (mm/slub.c:5415 mm/slub.c:5439)
[   12.542649][  T158]  ? idr_get_free (??:?)
[   12.542653][  T158]  ? devkmsg_write (./include/linux/slab.h:995 kernel/printk/printk.c:762)
[   12.542656][  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)
[   12.542659][  T158]  devkmsg_write.cold (kernel/printk/printk.c:796)
[   12.542661][  T158]  ? vprintk_default (kernel/printk/printk.c:2494)
[   12.542663][  T158]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.542665][  T158]  ? vfs_lock_file (./include/linux/fs.h:1348)
[   12.542670][  T158]  ? vprintk_default (kernel/printk/printk.c:2494)
[   12.542672][  T158]  new_sync_write (fs/read_write.c:595)
[   12.542677][  T158]  ? new_sync_read (./include/linux/ioprio.h:41)
[   12.542679][  T158]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.542687][  T158]  vfs_write (fs/read_write.c:687)
[   12.542692][  T158]  ksys_write (fs/read_write.c:739)
[   12.542695][  T158]  ? __ia32_sys_read (fs/read_write.c:723)
[   12.542696][  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)
[   12.542699][  T158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.542703][  T158]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.542705][  T158]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.542708][  T158]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.542711][  T158] RIP: 0033:0x7fb07fa5454e
[   12.542715][  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
[   12.542717][  T158] RSP: 002b:00007ffd68bba6e0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   12.542720][  T158] RAX: ffffffffffffffda RBX: 00007fb07fbd5580 RCX: 00007fb07fa5454e
[   12.542721][  T158] RDX: 0000000000000023 RSI: 0000560ed29dbd20 RDI: 0000000000000001
[   12.542722][  T158] RBP: 00007ffd68bba6f0 R08: 0000000000000000 R09: 0000000000000000
[   12.542723][  T158] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000023
[   12.542724][  T158] R13: 0000000000000023 R14: 0000560ed29dbd20 R15: 0000000000000000
| [   15.911293][  T158] softirqs last disabled at (395228): 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))
| [   15.911296][  T158] Preemption disabled at:
| [   15.911297][  T158] vprintk_emit (kernel/printk/printk.c:2471)
| [   15.911307][  T158] Tainted: [W]=WARN
[   15.911308][  T158] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.911310][  T158] Call Trace:
[   15.911312][  T158]  <TASK>
[   15.911313][  T158]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   15.911318][  T158]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   15.911320][  T158]  __might_resched.cold (kernel/sched/core.c:9234)
[   15.911325][  T158]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   15.911328][  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)
[   15.911333][  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))
[   15.911335][  T158]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.911341][  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)
[   15.911343][  T158]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.911346][  T158]  put_chars (drivers/char/virtio_console.c:1176)
[   15.911349][  T158]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   15.911351][  T158]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   15.911354][  T158]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.911357][  T158]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.911361][  T158]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   15.911364][  T158]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.911365][  T158]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.911369][  T158]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   15.911372][  T158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.911375][  T158]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.911379][  T158]  console_emit_next_record (kernel/printk/printk.c:3183)
[   15.911383][  T158]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   15.911387][  T158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.911389][  T158]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.911393][  T158]  console_flush_one_record (kernel/printk/printk.c:3268)
[   15.911397][  T158]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   15.911398][  T158]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.911403][  T158]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   15.911406][  T158]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   15.911408][  T158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.911410][  T158]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   15.911413][  T158]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   15.911414][  T158]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   15.911417][  T158]  vprintk_emit (kernel/printk/printk.c:2479)
[   15.911421][  T158]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   15.911424][  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)
[   15.911430][  T158]  devkmsg_emit.constprop.0 (kernel/printk/printk.c:733)
[   15.911434][  T158]  ? vprintk_emit.cold (kernel/printk/printk.c:2449)
[   15.911438][  T158]  ? __kmalloc_noprof (mm/slub.c:5415 mm/slub.c:5439)
[   15.911440][  T158]  ? idr_get_free (??:?)
[   15.911444][  T158]  ? devkmsg_write (./include/linux/slab.h:995 kernel/printk/printk.c:762)
[   15.911447][  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)
[   15.911449][  T158]  devkmsg_write.cold (kernel/printk/printk.c:796)
[   15.911452][  T158]  ? vprintk_default (kernel/printk/printk.c:2494)
[   15.911454][  T158]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.911456][  T158]  ? vfs_lock_file (./include/linux/fs.h:1348)
[   15.911460][  T158]  ? vprintk_default (kernel/printk/printk.c:2494)
[   15.911462][  T158]  new_sync_write (fs/read_write.c:595)
[   15.911467][  T158]  ? new_sync_read (./include/linux/ioprio.h:41)
[   15.911469][  T158]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.911477][  T158]  vfs_write (fs/read_write.c:687)
[   15.911481][  T158]  ksys_write (fs/read_write.c:739)
[   15.911484][  T158]  ? __ia32_sys_read (fs/read_write.c:723)
[   15.911485][  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)
[   15.911488][  T158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.911491][  T158]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   15.911493][  T158]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   15.911496][  T158]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.911499][  T158] RIP: 0033:0x7fb07fa5454e
[   15.911508][  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
[   15.911510][  T158] RSP: 002b:00007ffd68bba6e0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   15.911513][  T158] RAX: ffffffffffffffda RBX: 00007fb07fbd5580 RCX: 00007fb07fa5454e
[   15.911515][  T158] RDX: 0000000000000023 RSI: 0000560ed29dbd20 RDI: 0000000000000001
[   15.911516][  T158] RBP: 00007ffd68bba6f0 R08: 0000000000000000 R09: 0000000000000000
[   15.911517][  T158] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000023


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