======================================
| [    9.802734][  T170] softirqs last disabled at (30975): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [    9.802737][  T170] Preemption disabled at:
| [    9.802738][  T170] vprintk_emit (kernel/printk/printk.c:2471)
| [    9.802746][  T170] Tainted: [W]=WARN
[    9.802747][  T170] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.802749][  T170] Call Trace:
[    9.802750][  T170]  <TASK>
[    9.802752][  T170]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    9.802757][  T170]  ? vprintk_emit (kernel/printk/printk.c:2471)
[    9.802759][  T170]  __might_resched.cold (kernel/sched/core.c:9234)
[    9.802764][  T170]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[    9.802767][  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)
[    9.802772][  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))
[    9.802774][  T170]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.802780][  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)
[    9.802783][  T170]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.802786][  T170]  put_chars (drivers/char/virtio_console.c:1176)
[    9.802789][  T170]  ? __send_to_port (drivers/char/virtio_console.c:654)
[    9.802791][  T170]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    9.802796][  T170]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[    9.802802][  T170]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[    9.802805][  T170]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.802808][  T170]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.802812][  T170]  console_emit_next_record (kernel/printk/printk.c:3183)
[    9.802815][  T170]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    9.802819][  T170]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.802821][  T170]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.802825][  T170]  console_flush_one_record (kernel/printk/printk.c:3268)
[    9.802829][  T170]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    9.802830][  T170]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.802835][  T170]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    9.802838][  T170]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    9.802839][  T170]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.802841][  T170]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[    9.802845][  T170]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    9.802846][  T170]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    9.802849][  T170]  vprintk_emit (kernel/printk/printk.c:2479)
[    9.802853][  T170]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    9.802854][  T170]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    9.802858][  T170]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.802860][  T170]  ? fast_dput (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) fs/dcache.c:948 (discriminator 2))
[    9.802864][  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
[    9.802869][  T170]  _printk (kernel/printk/printk.c:2504)
[    9.802873][  T170]  ? snapshot_read.cold (user.c:?)
[    9.802875][  T170]  ? __up_write (kernel/locking/rwsem.c:1422 (discriminator 1))
[    9.802879][  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
[    9.802882][  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)
[    9.802887][  T170] init_netconsole (drivers/net/netconsole.c:1286) netconsole
[    9.802891][  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
[    9.802904][  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
[    9.802906][  T170]  do_one_initcall (init/main.c:1357)
[    9.802910][  T170]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[    9.802915][  T170]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[    9.802918][  T170]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[    9.802923][  T170]  do_init_module (kernel/module/main.c:3117)
[    9.802927][  T170]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[    9.802931][  T170]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[    9.802934][  T170]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[    9.802938][  T170]  load_module (kernel/module/main.c:3593)
[    9.802945][  T170]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[    9.802948][  T170]  ? __ia32_sys_fsconfig (??:?)
[    9.802951][  T170]  ? ovl_real_file (fs/overlayfs/file.c:195)
[    9.802954][  T170]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    9.802957][  T170]  ? backing_file_read_iter (fs/backing-file.c:211)
[    9.802960][  T170]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    9.802964][  T170]  init_module_from_file (kernel/module/main.c:3790)
[    9.802968][  T170]  ? __do_sys_init_module (kernel/module/main.c:3664)
[    9.802976][  T170]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    9.802979][  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)
[    9.802982][  T170]  idempotent_init_module (kernel/module/main.c:3802)
[    9.802985][  T170]  ? init_module_from_file (kernel/module/main.c:3791)
[    9.802991][  T170]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.802993][  T170]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[    9.802999][  T170]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[    9.803001][  T170]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    9.803005][  T170]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    9.803007][  T170]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    9.803009][  T170]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.803011][  T170] RIP: 0033:0x7f26b107c37d
[    9.803014][  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
[    9.803016][  T170] RSP: 002b:00007fff763202f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[    9.803019][  T170] RAX: ffffffffffffffda RBX: 0000556f5e4aa700 RCX: 00007f26b107c37d
[    9.803020][  T170] RDX: 0000000000000000 RSI: 0000556f49e6effd RDI: 0000000000000005
[    9.803021][  T170] RBP: 00007fff76320390 R08: 0000000000000000 R09: 0000000000000000
[    9.803022][  T170] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556f49e6effd
[    9.803023][  T170] R13: 0000556f5e4aa810 R14: 0000000000040000 R15: 0000000000000000
| [   11.980411][  T158] softirqs last disabled at (126244): 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))
| [   11.980413][  T158] Preemption disabled at:
| [   11.980414][  T158] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.980423][  T158] Tainted: [W]=WARN
[   11.980425][  T158] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.980426][  T158] Call Trace:
[   11.980428][  T158]  <TASK>
[   11.980430][  T158]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.980435][  T158]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.980437][  T158]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.980442][  T158]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.980446][  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)
[   11.980451][  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))
[   11.980453][  T158]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.980458][  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)
[   11.980460][  T158]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.980464][  T158]  put_chars (drivers/char/virtio_console.c:1176)
[   11.980470][  T158]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.980471][  T158]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   11.980474][  T158]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.980478][  T158]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.980482][  T158]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.980484][  T158]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.980486][  T158]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.980490][  T158]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.980493][  T158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.980496][  T158]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.980500][  T158]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.980503][  T158]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.980507][  T158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.980509][  T158]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.980513][  T158]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.980516][  T158]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.980518][  T158]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.980523][  T158]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.980525][  T158]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.980527][  T158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.980529][  T158]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.980532][  T158]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.980534][  T158]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.980537][  T158]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.980540][  T158]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.980543][  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)
[   11.980549][  T158]  devkmsg_emit.constprop.0 (kernel/printk/printk.c:733)
[   11.980553][  T158]  ? vprintk_emit.cold (kernel/printk/printk.c:2449)
[   11.980557][  T158]  ? __kmalloc_noprof (mm/slub.c:5415 mm/slub.c:5439)
[   11.980558][  T158]  ? idr_get_free (??:?)
[   11.980562][  T158]  ? devkmsg_write (./include/linux/slab.h:995 kernel/printk/printk.c:762)
[   11.980565][  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)
[   11.980568][  T158]  devkmsg_write.cold (kernel/printk/printk.c:796)
[   11.980571][  T158]  ? vprintk_default (kernel/printk/printk.c:2494)
[   11.980573][  T158]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.980575][  T158]  ? vfs_lock_file (./include/linux/fs.h:1348)
[   11.980579][  T158]  ? vprintk_default (kernel/printk/printk.c:2494)
[   11.980581][  T158]  new_sync_write (fs/read_write.c:595)
[   11.980586][  T158]  ? new_sync_read (./include/linux/ioprio.h:41)
[   11.980588][  T158]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.980595][  T158]  vfs_write (fs/read_write.c:687)
[   11.980599][  T158]  ksys_write (fs/read_write.c:739)
[   11.980602][  T158]  ? __ia32_sys_read (fs/read_write.c:723)
[   11.980604][  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)
[   11.980606][  T158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.980610][  T158]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.980612][  T158]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.980615][  T158]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.980618][  T158] RIP: 0033:0x7ff8ceef254e
[   11.980621][  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
[   11.980623][  T158] RSP: 002b:00007ffccb132260 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   11.980626][  T158] RAX: ffffffffffffffda RBX: 00007ff8cf073580 RCX: 00007ff8ceef254e
[   11.980628][  T158] RDX: 0000000000000025 RSI: 00005572c5c39ff0 RDI: 0000000000000001
[   11.980629][  T158] RBP: 00007ffccb132270 R08: 0000000000000000 R09: 0000000000000000
[   11.980630][  T158] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000025
[   11.980631][  T158] R13: 0000000000000025 R14: 00005572c5c39ff0 R15: 0000000000000000
| [   12.983683][  T158] softirqs last disabled at (314514): 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))
| [   12.983686][  T158] Preemption disabled at:
| [   12.983686][  T158] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.983695][  T158] Tainted: [W]=WARN
[   12.983696][  T158] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.983699][  T158] Call Trace:
[   12.983700][  T158]  <TASK>
[   12.983702][  T158]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.983707][  T158]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.983709][  T158]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.983713][  T158]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.983717][  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)
[   12.983722][  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))
[   12.983724][  T158]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.983730][  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)
[   12.983732][  T158]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.983735][  T158]  put_chars (drivers/char/virtio_console.c:1176)
[   12.983738][  T158]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.983739][  T158]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   12.983742][  T158]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.983746][  T158]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.983750][  T158]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.983753][  T158]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.983754][  T158]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.983758][  T158]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.983761][  T158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.983764][  T158]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.983768][  T158]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.983771][  T158]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.983775][  T158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.983777][  T158]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.983781][  T158]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.983785][  T158]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.983786][  T158]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.983791][  T158]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.983794][  T158]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.983795][  T158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.983797][  T158]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.983800][  T158]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.983802][  T158]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.983805][  T158]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.983808][  T158]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.983811][  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)
[   12.983817][  T158]  devkmsg_emit.constprop.0 (kernel/printk/printk.c:733)
[   12.983821][  T158]  ? vprintk_emit.cold (kernel/printk/printk.c:2449)
[   12.983825][  T158]  ? __kmalloc_noprof (mm/slub.c:5415 mm/slub.c:5439)
[   12.983827][  T158]  ? idr_get_free (??:?)
[   12.983831][  T158]  ? devkmsg_write (./include/linux/slab.h:995 kernel/printk/printk.c:762)
[   12.983834][  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)
[   12.983836][  T158]  devkmsg_write.cold (kernel/printk/printk.c:796)
[   12.983839][  T158]  ? vprintk_default (kernel/printk/printk.c:2494)
[   12.983841][  T158]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.983843][  T158]  ? vfs_lock_file (./include/linux/fs.h:1348)
[   12.983847][  T158]  ? vprintk_default (kernel/printk/printk.c:2494)
[   12.983849][  T158]  new_sync_write (fs/read_write.c:595)
[   12.983854][  T158]  ? new_sync_read (./include/linux/ioprio.h:41)
[   12.983856][  T158]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.983864][  T158]  vfs_write (fs/read_write.c:687)
[   12.983868][  T158]  ksys_write (fs/read_write.c:739)
[   12.983870][  T158]  ? __ia32_sys_read (fs/read_write.c:723)
[   12.983872][  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)
[   12.983875][  T158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.983878][  T158]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.983880][  T158]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.983883][  T158]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.983886][  T158] RIP: 0033:0x7ff8ceef254e
[   12.983890][  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
[   12.983892][  T158] RSP: 002b:00007ffccb132260 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   12.983895][  T158] RAX: ffffffffffffffda RBX: 00007ff8cf073580 RCX: 00007ff8ceef254e
[   12.983897][  T158] RDX: 0000000000000026 RSI: 00005572c5c39ff0 RDI: 0000000000000001
[   12.983898][  T158] RBP: 00007ffccb132270 R08: 0000000000000000 R09: 0000000000000000
[   12.983899][  T158] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000026
[   12.983901][  T158] R13: 0000000000000026 R14: 00005572c5c39ff0 R15: 0000000000000000
| [   13.983555][  T158] softirqs last disabled at (460305): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   13.983558][  T158] Preemption disabled at:
| [   13.983559][  T158] vprintk_emit (kernel/printk/printk.c:2471)
| [   13.983569][  T158] Tainted: [W]=WARN
[   13.983570][  T158] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.983571][  T158] Call Trace:
[   13.983573][  T158]  <TASK>
[   13.983575][  T158]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.983580][  T158]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   13.983582][  T158]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.983587][  T158]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.983590][  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)
[   13.983595][  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))
[   13.983597][  T158]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.983603][  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)
[   13.983605][  T158]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.983608][  T158]  put_chars (drivers/char/virtio_console.c:1176)
[   13.983610][  T158]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.983612][  T158]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   13.983615][  T158]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.983618][  T158]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.983623][  T158]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.983625][  T158]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.983626][  T158]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.983631][  T158]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.983634][  T158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.983637][  T158]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.983641][  T158]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.983645][  T158]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.983649][  T158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.983651][  T158]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.983655][  T158]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.983659][  T158]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.983660][  T158]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.983666][  T158]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.983668][  T158]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.983670][  T158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.983672][  T158]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   13.983676][  T158]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.983677][  T158]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.983680][  T158]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.983684][  T158]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.983687][  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)
[   13.983693][  T158]  devkmsg_emit.constprop.0 (kernel/printk/printk.c:733)
[   13.983697][  T158]  ? vprintk_emit.cold (kernel/printk/printk.c:2449)
[   13.983701][  T158]  ? __kmalloc_noprof (mm/slub.c:5415 mm/slub.c:5439)
[   13.983703][  T158]  ? idr_get_free (??:?)
[   13.983707][  T158]  ? devkmsg_write (./include/linux/slab.h:995 kernel/printk/printk.c:762)
[   13.983710][  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)
[   13.983712][  T158]  devkmsg_write.cold (kernel/printk/printk.c:796)
[   13.983715][  T158]  ? vprintk_default (kernel/printk/printk.c:2494)
[   13.983717][  T158]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.983719][  T158]  ? vfs_lock_file (./include/linux/fs.h:1348)
[   13.983724][  T158]  ? vprintk_default (kernel/printk/printk.c:2494)
[   13.983726][  T158]  new_sync_write (fs/read_write.c:595)
[   13.983731][  T158]  ? new_sync_read (./include/linux/ioprio.h:41)
[   13.983733][  T158]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.983740][  T158]  vfs_write (fs/read_write.c:687)
[   13.983745][  T158]  ksys_write (fs/read_write.c:739)
[   13.983747][  T158]  ? __ia32_sys_read (fs/read_write.c:723)
[   13.983749][  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)
[   13.983752][  T158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.983755][  T158]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.983758][  T158]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   13.983761][  T158]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.983763][  T158] RIP: 0033:0x7ff8ceef254e
[   13.983767][  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
[   13.983769][  T158] RSP: 002b:00007ffccb132260 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   13.983772][  T158] RAX: ffffffffffffffda RBX: 00007ff8cf073580 RCX: 00007ff8ceef254e
[   13.983773][  T158] RDX: 0000000000000026 RSI: 00005572c5c39ff0 RDI: 0000000000000001
[   13.983774][  T158] RBP: 00007ffccb132270 R08: 0000000000000000 R09: 0000000000000000
[   13.983775][  T158] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000026
[   13.983776][  T158] R13: 0000000000000026 R14: 00005572c5c39ff0 R15: 0000000000000000
| [   14.992950][  T158] softirqs last disabled at (647652): 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))
| [   14.992952][  T158] Preemption disabled at:
| [   14.992952][  T158] vprintk_emit (kernel/printk/printk.c:2471)
| [   14.992961][  T158] Tainted: [W]=WARN
[   14.992962][  T158] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.992964][  T158] Call Trace:
[   14.992965][  T158]  <TASK>
[   14.992966][  T158]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   14.992971][  T158]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   14.992973][  T158]  __might_resched.cold (kernel/sched/core.c:9234)
[   14.992978][  T158]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   14.992981][  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)
[   14.992986][  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))
[   14.992988][  T158]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.992994][  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)
[   14.992996][  T158]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.992999][  T158]  put_chars (drivers/char/virtio_console.c:1176)
[   14.993002][  T158]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   14.993003][  T158]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   14.993006][  T158]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.993009][  T158]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.993013][  T158]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   14.993016][  T158]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.993017][  T158]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.993021][  T158]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   14.993024][  T158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.993027][  T158]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.993031][  T158]  console_emit_next_record (kernel/printk/printk.c:3183)
[   14.993034][  T158]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   14.993039][  T158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.993041][  T158]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.993044][  T158]  console_flush_one_record (kernel/printk/printk.c:3268)
[   14.993048][  T158]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   14.993050][  T158]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.993055][  T158]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   14.993057][  T158]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   14.993059][  T158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.993061][  T158]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   14.993064][  T158]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   14.993066][  T158]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   14.993069][  T158]  vprintk_emit (kernel/printk/printk.c:2479)
[   14.993072][  T158]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   14.993075][  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)
[   14.993081][  T158]  devkmsg_emit.constprop.0 (kernel/printk/printk.c:733)
[   14.993084][  T158]  ? vprintk_emit.cold (kernel/printk/printk.c:2449)
[   14.993088][  T158]  ? __kmalloc_noprof (mm/slub.c:5415 mm/slub.c:5439)
[   14.993090][  T158]  ? idr_get_free (??:?)
[   14.993093][  T158]  ? devkmsg_write (./include/linux/slab.h:995 kernel/printk/printk.c:762)
[   14.993096][  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)
[   14.993099][  T158]  devkmsg_write.cold (kernel/printk/printk.c:796)
[   14.993102][  T158]  ? vprintk_default (kernel/printk/printk.c:2494)
[   14.993103][  T158]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.993105][  T158]  ? vfs_lock_file (./include/linux/fs.h:1348)
[   14.993110][  T158]  ? vprintk_default (kernel/printk/printk.c:2494)
[   14.993112][  T158]  new_sync_write (fs/read_write.c:595)
[   14.993117][  T158]  ? new_sync_read (./include/linux/ioprio.h:41)
[   14.993118][  T158]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.993126][  T158]  vfs_write (fs/read_write.c:687)
[   14.993130][  T158]  ksys_write (fs/read_write.c:739)
[   14.993133][  T158]  ? __ia32_sys_read (fs/read_write.c:723)
[   14.993134][  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)
[   14.993137][  T158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.993140][  T158]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   14.993143][  T158]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   14.993145][  T158]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.993148][  T158] RIP: 0033:0x7ff8ceef254e
[   14.993152][  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
[   14.993153][  T158] RSP: 002b:00007ffccb132260 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   14.993156][  T158] RAX: ffffffffffffffda RBX: 00007ff8cf073580 RCX: 00007ff8ceef254e
[   14.993158][  T158] RDX: 0000000000000027 RSI: 00005572c5c39ff0 RDI: 0000000000000001
[   14.993159][  T158] RBP: 00007ffccb132270 R08: 0000000000000000 R09: 0000000000000000
[   14.993159][  T158] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000027


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