======================================
| [   10.025650][  T175] softirqs last disabled at (37459): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   10.025652][  T175] Preemption disabled at:
| [   10.025653][  T175] vprintk_emit (kernel/printk/printk.c:2471)
| [   10.025662][  T175] Tainted: [W]=WARN
[   10.025663][  T175] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.025665][  T175] Call Trace:
[   10.025666][  T175]  <TASK>
[   10.025668][  T175]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.025675][  T175]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   10.025678][  T175]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.025684][  T175]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.025688][  T175]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.025694][  T175]  __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))
[   10.025697][  T175]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.025703][  T175]  ? 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)
[   10.025706][  T175]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.025710][  T175]  put_chars (drivers/char/virtio_console.c:1176)
[   10.025714][  T175]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.025717][  T175]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.025722][  T175]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.025729][  T175]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.025732][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.025735][  T175]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.025739][  T175]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.025743][  T175]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.025748][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.025750][  T175]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.025754][  T175]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.025758][  T175]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.025760][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.025765][  T175]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.025768][  T175]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.025770][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.025772][  T175]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.025776][  T175]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.025778][  T175]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.025781][  T175]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.025784][  T175]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.025785][  T175]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.025788][  T175]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.025790][  T175]  ? fast_dput (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) fs/dcache.c:948 (discriminator 2))
[   10.025794][  T175]  ? 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
[   10.025798][  T175]  _printk (kernel/printk/printk.c:2504)
[   10.025802][  T175]  ? snapshot_read.cold (user.c:?)
[   10.025805][  T175]  ? __up_write (kernel/locking/rwsem.c:1422 (discriminator 1))
[   10.025808][  T175]  ? 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
[   10.025811][  T175]  ? 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)
[   10.025816][  T175] init_netconsole (drivers/net/netconsole.c:1286) netconsole
[   10.025820][  T175]  ? 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
[   10.025826][  T175]  ? 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
[   10.025829][  T175]  do_one_initcall (init/main.c:1357)
[   10.025832][  T175]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   10.025837][  T175]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   10.025839][  T175]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   10.025844][  T175]  do_init_module (kernel/module/main.c:3117)
[   10.025847][  T175]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   10.025851][  T175]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   10.025853][  T175]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   10.025858][  T175]  load_module (kernel/module/main.c:3593)
[   10.025864][  T175]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   10.025868][  T175]  ? __ia32_sys_fsconfig (??:?)
[   10.025871][  T175]  ? add_chain_cache (kernel/locking/lockdep.c:3782)
[   10.025876][  T175]  init_module_from_file (kernel/module/main.c:3790)
[   10.025879][  T175]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   10.025886][  T175]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.025890][  T175]  ? 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)
[   10.025893][  T175]  idempotent_init_module (kernel/module/main.c:3802)
[   10.025896][  T175]  ? init_module_from_file (kernel/module/main.c:3791)
[   10.025902][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.025904][  T175]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   10.025909][  T175]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   10.025911][  T175]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.025915][  T175]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.025917][  T175]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.025920][  T175]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.025922][  T175] RIP: 0033:0x7f7459d2e37d
[   10.025926][  T175] 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
[   10.025928][  T175] RSP: 002b:00007fffaa0c15d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   10.025931][  T175] RAX: ffffffffffffffda RBX: 000056250522e700 RCX: 00007f7459d2e37d
[   10.025932][  T175] RDX: 0000000000000000 RSI: 00005624f3164ffd RDI: 0000000000000005
[   10.025933][  T175] RBP: 00007fffaa0c1670 R08: 0000000000000000 R09: 0000000000000000
[   10.025934][  T175] R10: 0000000000000000 R11: 0000000000000246 R12: 00005624f3164ffd
[   10.025935][  T175] R13: 000056250522e810 R14: 0000000000040000 R15: 0000000000000000
| [   11.585634][  T174] softirqs last disabled at (407324): fpu_clone (./include/linux/bottom_half.h:20 (discriminator 2) ./arch/x86/include/asm/fpu/api.h:69 (discriminator 2) arch/x86/kernel/fpu/core.c:710 (discriminator 2))
| [   11.585637][  T174] Preemption disabled at:
| [   11.585637][  T174] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.585647][  T174] Tainted: [W]=WARN
[   11.585648][  T174] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.585650][  T174] Call Trace:
[   11.585652][  T174]  <TASK>
[   11.585654][  T174]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.585659][  T174]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.585661][  T174]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.585667][  T174]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.585672][  T174]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.585681][  T174]  __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))
[   11.585684][  T174]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.585691][  T174]  ? 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)
[   11.585694][  T174]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.585698][  T174]  put_chars (drivers/char/virtio_console.c:1176)
[   11.585701][  T174]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.585703][  T174]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   11.585708][  T174]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   11.585713][  T174]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.585717][  T174]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.585719][  T174]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.585724][  T174]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.585728][  T174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.585731][  T174]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.585736][  T174]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.585740][  T174]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.585746][  T174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.585748][  T174]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.585752][  T174]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.585757][  T174]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.585760][  T174]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.585766][  T174]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.585769][  T174]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.585771][  T174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.585773][  T174]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.585778][  T174]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.585780][  T174]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.585783][  T174]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.585786][  T174]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.585793][  T174]  _printk (kernel/printk/printk.c:2504)
[   11.585797][  T174]  ? snapshot_read.cold (user.c:?)
[   11.585801][  T174]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   11.585804][  T174]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   11.585810][  T174]  register_console (kernel/printk/printk.c:4212 (discriminator 7))
[   11.585814][  T174]  ? get_init_console_seq.constprop.0.isra.0 (kernel/printk/printk.c:4018)
[   11.585816][  T174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.585821][  T174] enabled_store (drivers/net/netconsole.c:1039) netconsole
[   11.585824][  T174]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.585828][  T174]  ? netconsole_write_ext (drivers/net/netconsole.c:2504) netconsole
[   11.585830][  T174]  ? down_write_killable_nested (./arch/x86/include/asm/atomic64_64.h:20)
[   11.585833][  T174]  ? __kmalloc_cache_noprof (mm/slub.c:4986 (discriminator 1) mm/slub.c:5559 (discriminator 1))
[   11.585836][  T174]  ? configfs_write_iter (./include/linux/slab.h:991 (discriminator 1) fs/configfs/file.c:187 (discriminator 1) fs/configfs/file.c:227 (discriminator 1))
[   11.585841][  T174]  ? netconsole_write_ext (drivers/net/netconsole.c:2504) netconsole
[   11.585843][  T174]  configfs_write_iter (fs/configfs/file.c:207 fs/configfs/file.c:229)
[   11.585845][  T174]  ? configfs_bin_write_iter (fs/configfs/file.c:287 (discriminator 1))
[   11.585848][  T174]  new_sync_write (fs/read_write.c:595)
[   11.585852][  T174]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.585855][  T174]  ? new_sync_read (./include/linux/ioprio.h:41)
[   11.585859][  T174]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.585861][  T174]  ? ksys_write (fs/read_write.c:739)
[   11.585868][  T174]  vfs_write (fs/read_write.c:687)
[   11.585873][  T174]  ksys_write (fs/read_write.c:739)
[   11.585876][  T174]  ? __ia32_sys_read (fs/read_write.c:723)
[   11.585879][  T174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.585882][  T174]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.585885][  T174]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.585888][  T174]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.585891][  T174] RIP: 0033:0x7fee0d994312
[   11.585895][  T174] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[   11.585897][  T174] RSP: 002b:00007ffcf98cdc18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   11.585900][  T174] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fee0d994312
[   11.585902][  T174] RDX: 0000000000000001 RSI: 0000559b69d63f10 RDI: 0000000000000010
[   11.585903][  T174] RBP: 00007ffcf98cdc40 R08: 0000000000000000 R09: 0000000000000000
[   11.585904][  T174] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fee0d801390
[   11.585905][  T174] R13: 0000559b69d63f10 R14: 0000000000000010 R15: 00007fee0d78d0d0
| [   12.588125][  T174] softirqs last disabled at (435131): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   12.588130][  T174] Preemption disabled at:
| [   12.588131][  T174] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.588144][  T174] Tainted: [W]=WARN
[   12.588146][  T174] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.588149][  T174] Call Trace:
[   12.588152][  T174]  <TASK>
[   12.588155][  T174]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.588163][  T174]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.588166][  T174]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.588172][  T174]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.588178][  T174]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.588186][  T174]  __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))
[   12.588190][  T174]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.588200][  T174]  ? 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)
[   12.588204][  T174]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.588209][  T174]  put_chars (drivers/char/virtio_console.c:1176)
[   12.588214][  T174]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.588217][  T174]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   12.588223][  T174]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.588228][  T174]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.588245][  T174]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.588249][  T174]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.588253][  T174]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.588260][  T174]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.588266][  T174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.588270][  T174]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.588277][  T174]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.588283][  T174]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.588290][  T174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.588294][  T174]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.588300][  T174]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.588312][  T174]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.588320][  T174]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.588333][  T174]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.588341][  T174]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.588345][  T174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.588348][  T174]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.588354][  T174]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.588358][  T174]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.588364][  T174]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.588369][  T174]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.588374][  T174]  ? _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)
[   12.588387][  T174]  devkmsg_emit.constprop.0 (kernel/printk/printk.c:733)
[   12.588400][  T174]  ? vprintk_emit.cold (kernel/printk/printk.c:2449)
[   12.588410][  T174]  ? __kmalloc_noprof (mm/slub.c:5415 mm/slub.c:5439)
[   12.588414][  T174]  ? idr_get_free (??:?)
[   12.588419][  T174]  ? devkmsg_write (./include/linux/slab.h:995 kernel/printk/printk.c:762)
[   12.588423][  T174]  ? _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)
[   12.588428][  T174]  devkmsg_write.cold (kernel/printk/printk.c:796)
[   12.588433][  T174]  ? vprintk_default (kernel/printk/printk.c:2494)
[   12.588438][  T174]  ? __hrtimer_start_range_ns (kernel/time/hrtimer.c:1429)
[   12.588449][  T174]  ? vprintk_default (kernel/printk/printk.c:2494)
[   12.588457][  T174]  new_sync_write (fs/read_write.c:595)
[   12.588471][  T174]  ? new_sync_read (./include/linux/ioprio.h:41)
[   12.588479][  T174]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.588487][  T174]  ? __fget_files (./include/linux/rcupdate.h:882 fs/file.c:1100)
[   12.588493][  T174]  vfs_write (fs/read_write.c:687)
[   12.588500][  T174]  ksys_write (fs/read_write.c:739)
[   12.588504][  T174]  ? __ia32_sys_read (fs/read_write.c:723)
[   12.588507][  T174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.588511][  T174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.588519][  T174]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.588529][  T174]  ? common_interrupt (arch/x86/kernel/irq.c:273 (discriminator 18))
[   12.588537][  T174]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.588545][  T174] RIP: 0033:0x7fee0d994312
[   12.588551][  T174] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[   12.588553][  T174] RSP: 002b:00007ffcf98cdc18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   12.588558][  T174] RAX: ffffffffffffffda RBX: 00000000000002ee RCX: 00007fee0d994312
[   12.588561][  T174] RDX: 00000000000002ee RSI: 0000559b69d63f10 RDI: 000000000000000b
[   12.588562][  T174] RBP: 00007ffcf98cdc40 R08: 0000000000000000 R09: 0000000000000000
[   12.588564][  T174] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fee0d801390
[   12.588565][  T174] R13: 0000559b69d63f10 R14: 000000000000000b R15: 00007fee0d78d0d0
| [   13.624718][  T174] softirqs last disabled at (458685): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   13.624721][  T174] Preemption disabled at:
| [   13.624722][  T174] vprintk_emit (kernel/printk/printk.c:2471)
| [   13.624731][  T174] Tainted: [W]=WARN
[   13.624732][  T174] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.624734][  T174] Call Trace:
[   13.624735][  T174]  <TASK>
[   13.624737][  T174]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.624744][  T174]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   13.624745][  T174]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.624751][  T174]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.624755][  T174]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   13.624761][  T174]  __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))
[   13.624764][  T174]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.624771][  T174]  ? 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)
[   13.624774][  T174]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.624777][  T174]  put_chars (drivers/char/virtio_console.c:1176)
[   13.624781][  T174]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.624783][  T174]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   13.624787][  T174]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.624790][  T174]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.624795][  T174]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.624798][  T174]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.624800][  T174]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.624805][  T174]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.624808][  T174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.624811][  T174]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.624815][  T174]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.624819][  T174]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.624824][  T174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.624826][  T174]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.624830][  T174]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.624834][  T174]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.624836][  T174]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.624842][  T174]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.624845][  T174]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.624847][  T174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.624849][  T174]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   13.624853][  T174]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.624855][  T174]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.624857][  T174]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.624861][  T174]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.624864][  T174]  ? _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)
[   13.624869][  T174]  devkmsg_emit.constprop.0 (kernel/printk/printk.c:733)
[   13.624873][  T174]  ? vprintk_emit.cold (kernel/printk/printk.c:2449)
[   13.624877][  T174]  ? __kmalloc_noprof (mm/slub.c:5415 mm/slub.c:5439)
[   13.624879][  T174]  ? idr_get_free (??:?)
[   13.624884][  T174]  ? devkmsg_write (./include/linux/slab.h:995 kernel/printk/printk.c:762)
[   13.624886][  T174]  ? _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)
[   13.624889][  T174]  devkmsg_write.cold (kernel/printk/printk.c:796)
[   13.624892][  T174]  ? vprintk_default (kernel/printk/printk.c:2494)
[   13.624893][  T174]  ? rcu_start_this_gp (kernel/rcu/tree.c:1038 (discriminator 1))
[   13.624897][  T174]  ? trace_rcu_grace_period (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3) ./include/trace/events/rcu.h:69 (discriminator 3))
[   13.624898][  T174]  ? trace_rcu_segcb_stats (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3) ./include/trace/events/rcu.h:537 (discriminator 3))
[   13.624901][  T174]  ? vprintk_default (kernel/printk/printk.c:2494)
[   13.624903][  T174]  new_sync_write (fs/read_write.c:595)
[   13.624909][  T174]  ? new_sync_read (./include/linux/ioprio.h:41)
[   13.624913][  T174]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.624918][  T174]  ? __fget_files (./include/linux/rcupdate.h:882 fs/file.c:1100)
[   13.624922][  T174]  vfs_write (fs/read_write.c:687)
[   13.624926][  T174]  ksys_write (fs/read_write.c:739)
[   13.624929][  T174]  ? __ia32_sys_read (fs/read_write.c:723)
[   13.624931][  T174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.624933][  T174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.624936][  T174]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.624939][  T174]  ? irq_exit_rcu (kernel/softirq.c:786)
[   13.624942][  T174]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.624944][  T174] RIP: 0033:0x7fee0d994312
[   13.624948][  T174] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[   13.624950][  T174] RSP: 002b:00007ffcf98cdc18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   13.624953][  T174] RAX: ffffffffffffffda RBX: 00000000000002ee RCX: 00007fee0d994312
[   13.624955][  T174] RDX: 00000000000002ee RSI: 0000559b69d63f10 RDI: 000000000000000b
[   13.624956][  T174] RBP: 00007ffcf98cdc40 R08: 0000000000000000 R09: 0000000000000000
[   13.624957][  T174] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fee0d801390
[   13.624958][  T174] R13: 0000559b69d63f10 R14: 000000000000000b R15: 00007fee0d78d0d0
| [   14.679098][  T174] softirqs last disabled at (536117): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   14.679101][  T174] Preemption disabled at:
| [   14.679101][  T174] vprintk_emit (kernel/printk/printk.c:2471)
| [   14.679111][  T174] Tainted: [W]=WARN
[   14.679112][  T174] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.679114][  T174] Call Trace:
[   14.679115][  T174]  <TASK>
[   14.679117][  T174]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   14.679123][  T174]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   14.679125][  T174]  __might_resched.cold (kernel/sched/core.c:9234)
[   14.679130][  T174]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   14.679135][  T174]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   14.679141][  T174]  __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))
[   14.679143][  T174]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.679150][  T174]  ? 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)
[   14.679153][  T174]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.679157][  T174]  put_chars (drivers/char/virtio_console.c:1176)
[   14.679160][  T174]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   14.679162][  T174]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   14.679166][  T174]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.679170][  T174]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.679174][  T174]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   14.679178][  T174]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.679180][  T174]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.679185][  T174]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   14.679188][  T174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.679190][  T174]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.679195][  T174]  console_emit_next_record (kernel/printk/printk.c:3183)
[   14.679199][  T174]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   14.679204][  T174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.679206][  T174]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.679210][  T174]  console_flush_one_record (kernel/printk/printk.c:3268)
[   14.679214][  T174]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   14.679216][  T174]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.679222][  T174]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   14.679225][  T174]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   14.679227][  T174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.679229][  T174]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   14.679233][  T174]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   14.679235][  T174]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   14.679238][  T174]  vprintk_emit (kernel/printk/printk.c:2479)
[   14.679241][  T174]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   14.679249][  T174]  ? _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)
[   14.679255][  T174]  devkmsg_emit.constprop.0 (kernel/printk/printk.c:733)
[   14.679259][  T174]  ? vprintk_emit.cold (kernel/printk/printk.c:2449)
[   14.679263][  T174]  ? __kmalloc_noprof (mm/slub.c:5415 mm/slub.c:5439)
[   14.679265][  T174]  ? idr_get_free (??:?)
[   14.679269][  T174]  ? devkmsg_write (./include/linux/slab.h:995 kernel/printk/printk.c:762)
[   14.679272][  T174]  ? _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)
[   14.679274][  T174]  devkmsg_write.cold (kernel/printk/printk.c:796)
[   14.679277][  T174]  ? vprintk_default (kernel/printk/printk.c:2494)
[   14.679279][  T174]  ? cp_old_stat (fs/stat.c:406 (discriminator 3))
[   14.679283][  T174]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.679286][  T174]  ? vprintk_default (kernel/printk/printk.c:2494)
[   14.679289][  T174]  new_sync_write (fs/read_write.c:595)
[   14.679294][  T174]  ? new_sync_read (./include/linux/ioprio.h:41)
[   14.679298][  T174]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.679303][  T174]  ? __fget_files (./include/linux/rcupdate.h:882 fs/file.c:1100)
[   14.679307][  T174]  vfs_write (fs/read_write.c:687)
[   14.679311][  T174]  ksys_write (fs/read_write.c:739)
[   14.679314][  T174]  ? __ia32_sys_read (fs/read_write.c:723)
[   14.679316][  T174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.679320][  T174]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   14.679323][  T174]  ? irq_exit_rcu (kernel/softirq.c:786)
[   14.679325][  T174]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.679328][  T174] RIP: 0033:0x7fee0d994312
[   14.679332][  T174] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[   14.679334][  T174] RSP: 002b:00007ffcf98cdc18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   14.679337][  T174] RAX: ffffffffffffffda RBX: 00000000000002ee RCX: 00007fee0d994312
[   14.679339][  T174] RDX: 00000000000002ee RSI: 0000559b69d63f10 RDI: 000000000000000b
[   14.679340][  T174] RBP: 00007ffcf98cdc40 R08: 0000000000000000 R09: 0000000000000000
[   14.679341][  T174] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fee0d801390
[   14.679342][  T174] R13: 0000559b69d63f10 R14: 000000000000000b R15: 00007fee0d78d0d0
| [   16.045816][  T174] softirqs last disabled at (575097): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   16.045818][  T174] Preemption disabled at:
| [   16.045819][  T174] vprintk_emit (kernel/printk/printk.c:2471)
| [   16.045829][  T174] Tainted: [W]=WARN
[   16.045830][  T174] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.045832][  T174] Call Trace:
[   16.045834][  T174]  <TASK>
[   16.045836][  T174]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   16.045842][  T174]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   16.045844][  T174]  __might_resched.cold (kernel/sched/core.c:9234)
[   16.045849][  T174]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   16.045854][  T174]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   16.045860][  T174]  __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))
[   16.045862][  T174]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.045869][  T174]  ? 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)
[   16.045872][  T174]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.045876][  T174]  put_chars (drivers/char/virtio_console.c:1176)
[   16.045879][  T174]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   16.045881][  T174]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   16.045885][  T174]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.045889][  T174]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.045893][  T174]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   16.045897][  T174]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.045899][  T174]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.045904][  T174]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   16.045908][  T174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.045910][  T174]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.045914][  T174]  console_emit_next_record (kernel/printk/printk.c:3183)
[   16.045918][  T174]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   16.045923][  T174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.045925][  T174]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.045929][  T174]  console_flush_one_record (kernel/printk/printk.c:3268)
[   16.045934][  T174]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   16.045936][  T174]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.045941][  T174]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   16.045945][  T174]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   16.045947][  T174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.045949][  T174]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   16.045953][  T174]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   16.045955][  T174]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   16.045958][  T174]  vprintk_emit (kernel/printk/printk.c:2479)
[   16.045961][  T174]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   16.045964][  T174]  ? _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)
[   16.045969][  T174]  devkmsg_emit.constprop.0 (kernel/printk/printk.c:733)
[   16.045974][  T174]  ? vprintk_emit.cold (kernel/printk/printk.c:2449)
[   16.045978][  T174]  ? __kmalloc_noprof (mm/slub.c:5415 mm/slub.c:5439)
[   16.045980][  T174]  ? idr_get_free (??:?)
[   16.045984][  T174]  ? devkmsg_write (./include/linux/slab.h:995 kernel/printk/printk.c:762)
[   16.045987][  T174]  ? _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)
[   16.045989][  T174]  devkmsg_write.cold (kernel/printk/printk.c:796)
[   16.045992][  T174]  ? vprintk_default (kernel/printk/printk.c:2494)
[   16.045994][  T174]  ? cp_old_stat (fs/stat.c:406 (discriminator 3))
[   16.045998][  T174]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.046001][  T174]  ? vprintk_default (kernel/printk/printk.c:2494)
[   16.046003][  T174]  new_sync_write (fs/read_write.c:595)
[   16.046008][  T174]  ? new_sync_read (./include/linux/ioprio.h:41)
[   16.046013][  T174]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.046018][  T174]  ? __fget_files (./include/linux/rcupdate.h:882 fs/file.c:1100)
[   16.046022][  T174]  vfs_write (fs/read_write.c:687)
[   16.046026][  T174]  ksys_write (fs/read_write.c:739)
[   16.046029][  T174]  ? __ia32_sys_read (fs/read_write.c:723)
[   16.046031][  T174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.046035][  T174]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   16.046037][  T174]  ? irq_exit_rcu (kernel/softirq.c:786)
[   16.046040][  T174]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.046043][  T174] RIP: 0033:0x7fee0d994312
[   16.046047][  T174] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[   16.046049][  T174] RSP: 002b:00007ffcf98cdc18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   16.046052][  T174] RAX: ffffffffffffffda RBX: 00000000000002ee RCX: 00007fee0d994312
[   16.046054][  T174] RDX: 00000000000002ee RSI: 0000559b69d63f10 RDI: 000000000000000b
[   16.046055][  T174] RBP: 00007ffcf98cdc40 R08: 0000000000000000 R09: 0000000000000000
[   16.046056][  T174] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fee0d801390
[   16.046057][  T174] R13: 0000559b69d63f10 R14: 000000000000000b R15: 00007fee0d78d0d0
| [   17.049507][  T174] softirqs last disabled at (609435): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   17.049510][  T174] Preemption disabled at:
| [   17.049511][  T174] vprintk_emit (kernel/printk/printk.c:2471)
| [   17.049521][  T174] Tainted: [W]=WARN
[   17.049522][  T174] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.049524][  T174] Call Trace:
[   17.049525][  T174]  <TASK>
[   17.049527][  T174]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   17.049534][  T174]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   17.049536][  T174]  __might_resched.cold (kernel/sched/core.c:9234)
[   17.049540][  T174]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   17.049545][  T174]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   17.049551][  T174]  __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))
[   17.049554][  T174]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.049560][  T174]  ? 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)
[   17.049564][  T174]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.049567][  T174]  put_chars (drivers/char/virtio_console.c:1176)
[   17.049570][  T174]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   17.049572][  T174]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   17.049576][  T174]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.049580][  T174]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   17.049584][  T174]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   17.049587][  T174]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.049589][  T174]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.049594][  T174]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   17.049598][  T174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.049600][  T174]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.049604][  T174]  console_emit_next_record (kernel/printk/printk.c:3183)
[   17.049608][  T174]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   17.049613][  T174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.049615][  T174]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.049619][  T174]  console_flush_one_record (kernel/printk/printk.c:3268)
[   17.049624][  T174]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   17.049626][  T174]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.049631][  T174]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   17.049634][  T174]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   17.049636][  T174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.049638][  T174]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   17.049642][  T174]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   17.049644][  T174]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   17.049647][  T174]  vprintk_emit (kernel/printk/printk.c:2479)
[   17.049650][  T174]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   17.049653][  T174]  ? _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)
[   17.049659][  T174]  devkmsg_emit.constprop.0 (kernel/printk/printk.c:733)
[   17.049662][  T174]  ? vprintk_emit.cold (kernel/printk/printk.c:2449)
[   17.049666][  T174]  ? __kmalloc_noprof (mm/slub.c:5415 mm/slub.c:5439)
[   17.049669][  T174]  ? idr_get_free (??:?)
[   17.049674][  T174]  ? devkmsg_write (./include/linux/slab.h:995 kernel/printk/printk.c:762)
[   17.049679][  T174]  ? _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)
[   17.049682][  T174]  devkmsg_write.cold (kernel/printk/printk.c:796)
[   17.049685][  T174]  ? vprintk_default (kernel/printk/printk.c:2494)
[   17.049687][  T174]  ? cp_old_stat (fs/stat.c:406 (discriminator 3))
[   17.049691][  T174]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   17.049694][  T174]  ? vprintk_default (kernel/printk/printk.c:2494)
[   17.049696][  T174]  new_sync_write (fs/read_write.c:595)
[   17.049701][  T174]  ? new_sync_read (./include/linux/ioprio.h:41)
[   17.049706][  T174]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   17.049711][  T174]  ? __fget_files (./include/linux/rcupdate.h:882 fs/file.c:1100)
[   17.049715][  T174]  vfs_write (fs/read_write.c:687)
[   17.049719][  T174]  ksys_write (fs/read_write.c:739)
[   17.049722][  T174]  ? __ia32_sys_read (fs/read_write.c:723)
[   17.049725][  T174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.049728][  T174]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   17.049731][  T174]  ? irq_exit_rcu (kernel/softirq.c:786)
[   17.049734][  T174]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.049736][  T174] RIP: 0033:0x7fee0d994312
[   17.049741][  T174] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[   17.049743][  T174] RSP: 002b:00007ffcf98cdc18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   17.049746][  T174] RAX: ffffffffffffffda RBX: 0000000000000316 RCX: 00007fee0d994312
[   17.049747][  T174] RDX: 0000000000000316 RSI: 0000559b69d63f10 RDI: 000000000000000b
[   17.049749][  T174] RBP: 00007ffcf98cdc40 R08: 0000000000000000 R09: 0000000000000000
[   17.049750][  T174] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fee0d801390
[   17.049750][  T174] R13: 0000559b69d63f10 R14: 000000000000000b R15: 00007fee0d78d0d0
| [   18.525578][  T174] softirqs last disabled at (661803): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   18.525581][  T174] Preemption disabled at:
| [   18.525582][  T174] vprintk_emit (kernel/printk/printk.c:2471)
| [   18.525591][  T174] Tainted: [W]=WARN
[   18.525592][  T174] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.525595][  T174] Call Trace:
[   18.525596][  T174]  <TASK>
[   18.525598][  T174]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   18.525605][  T174]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   18.525606][  T174]  __might_resched.cold (kernel/sched/core.c:9234)
[   18.525611][  T174]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   18.525616][  T174]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   18.525622][  T174]  __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))
[   18.525624][  T174]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.525631][  T174]  ? 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)
[   18.525634][  T174]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.525638][  T174]  put_chars (drivers/char/virtio_console.c:1176)
[   18.525642][  T174]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   18.525644][  T174]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   18.525648][  T174]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.525651][  T174]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   18.525656][  T174]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   18.525660][  T174]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.525662][  T174]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.525666][  T174]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   18.525670][  T174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.525674][  T174]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.525681][  T174]  console_emit_next_record (kernel/printk/printk.c:3183)
[   18.525686][  T174]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   18.525691][  T174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.525693][  T174]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.525697][  T174]  console_flush_one_record (kernel/printk/printk.c:3268)
[   18.525701][  T174]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   18.525704][  T174]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.525709][  T174]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   18.525713][  T174]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   18.525715][  T174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.525717][  T174]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   18.525721][  T174]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   18.525723][  T174]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   18.525726][  T174]  vprintk_emit (kernel/printk/printk.c:2479)
[   18.525729][  T174]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   18.525732][  T174]  ? _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)
[   18.525738][  T174]  devkmsg_emit.constprop.0 (kernel/printk/printk.c:733)
[   18.525742][  T174]  ? vprintk_emit.cold (kernel/printk/printk.c:2449)
[   18.525746][  T174]  ? __kmalloc_noprof (mm/slub.c:5415 mm/slub.c:5439)
[   18.525749][  T174]  ? idr_get_free (??:?)
[   18.525753][  T174]  ? devkmsg_write (./include/linux/slab.h:995 kernel/printk/printk.c:762)
[   18.525755][  T174]  ? _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)
[   18.525758][  T174]  devkmsg_write.cold (kernel/printk/printk.c:796)
[   18.525761][  T174]  ? vprintk_default (kernel/printk/printk.c:2494)
[   18.525763][  T174]  ? cp_old_stat (fs/stat.c:406 (discriminator 3))
[   18.525767][  T174]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.525770][  T174]  ? vprintk_default (kernel/printk/printk.c:2494)
[   18.525772][  T174]  new_sync_write (fs/read_write.c:595)
[   18.525778][  T174]  ? new_sync_read (./include/linux/ioprio.h:41)
[   18.525782][  T174]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.525787][  T174]  ? __fget_files (./include/linux/rcupdate.h:882 fs/file.c:1100)
[   18.525791][  T174]  vfs_write (fs/read_write.c:687)
[   18.525795][  T174]  ksys_write (fs/read_write.c:739)
[   18.525798][  T174]  ? __ia32_sys_read (fs/read_write.c:723)
[   18.525801][  T174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.525804][  T174]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   18.525807][  T174]  ? irq_exit_rcu (kernel/softirq.c:786)
[   18.525810][  T174]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.525813][  T174] RIP: 0033:0x7fee0d994312
[   18.525817][  T174] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[   18.525819][  T174] RSP: 002b:00007ffcf98cdc18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   18.525822][  T174] RAX: ffffffffffffffda RBX: 0000000000000316 RCX: 00007fee0d994312
[   18.525824][  T174] RDX: 0000000000000316 RSI: 0000559b69d63f10 RDI: 000000000000000b
[   18.525825][  T174] RBP: 00007ffcf98cdc40 R08: 0000000000000000 R09: 0000000000000000
[   18.525826][  T174] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fee0d801390
[   18.525827][  T174] R13: 0000559b69d63f10 R14: 000000000000000b R15: 00007fee0d78d0d0
| [   19.529473][  T174] softirqs last disabled at (694963): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   19.529476][  T174] Preemption disabled at:
| [   19.529477][  T174] vprintk_emit (kernel/printk/printk.c:2471)
| [   19.529486][  T174] Tainted: [W]=WARN
[   19.529487][  T174] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.529489][  T174] Call Trace:
[   19.529491][  T174]  <TASK>
[   19.529493][  T174]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   19.529499][  T174]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   19.529501][  T174]  __might_resched.cold (kernel/sched/core.c:9234)
[   19.529506][  T174]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   19.529510][  T174]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   19.529516][  T174]  __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))
[   19.529518][  T174]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.529525][  T174]  ? 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)
[   19.529528][  T174]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.529532][  T174]  put_chars (drivers/char/virtio_console.c:1176)
[   19.529535][  T174]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   19.529537][  T174]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   19.529541][  T174]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   19.529545][  T174]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   19.529549][  T174]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   19.529553][  T174]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.529555][  T174]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.529560][  T174]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   19.529566][  T174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.529569][  T174]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.529573][  T174]  console_emit_next_record (kernel/printk/printk.c:3183)
[   19.529577][  T174]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   19.529582][  T174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.529584][  T174]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.529588][  T174]  console_flush_one_record (kernel/printk/printk.c:3268)
[   19.529592][  T174]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   19.529594][  T174]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.529600][  T174]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   19.529603][  T174]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   19.529605][  T174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.529607][  T174]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   19.529611][  T174]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   19.529613][  T174]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   19.529616][  T174]  vprintk_emit (kernel/printk/printk.c:2479)
[   19.529619][  T174]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   19.529622][  T174]  ? _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)
[   19.529627][  T174]  devkmsg_emit.constprop.0 (kernel/printk/printk.c:733)
[   19.529631][  T174]  ? vprintk_emit.cold (kernel/printk/printk.c:2449)
[   19.529635][  T174]  ? __kmalloc_noprof (mm/slub.c:5415 mm/slub.c:5439)
[   19.529637][  T174]  ? idr_get_free (??:?)
[   19.529641][  T174]  ? devkmsg_write (./include/linux/slab.h:995 kernel/printk/printk.c:762)
[   19.529644][  T174]  ? _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)
[   19.529646][  T174]  devkmsg_write.cold (kernel/printk/printk.c:796)
[   19.529649][  T174]  ? vprintk_default (kernel/printk/printk.c:2494)
[   19.529652][  T174]  ? cp_old_stat (fs/stat.c:406 (discriminator 3))
[   19.529655][  T174]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.529658][  T174]  ? vprintk_default (kernel/printk/printk.c:2494)
[   19.529660][  T174]  new_sync_write (fs/read_write.c:595)
[   19.529665][  T174]  ? new_sync_read (./include/linux/ioprio.h:41)
[   19.529670][  T174]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.529677][  T174]  ? __fget_files (./include/linux/rcupdate.h:882 fs/file.c:1100)
[   19.529683][  T174]  vfs_write (fs/read_write.c:687)
[   19.529687][  T174]  ksys_write (fs/read_write.c:739)
[   19.529690][  T174]  ? __ia32_sys_read (fs/read_write.c:723)
[   19.529693][  T174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.529696][  T174]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   19.529699][  T174]  ? irq_exit_rcu (kernel/softirq.c:786)
[   19.529702][  T174]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.529704][  T174] RIP: 0033:0x7fee0d994312
[   19.529709][  T174] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[   19.529710][  T174] RSP: 002b:00007ffcf98cdc18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   19.529713][  T174] RAX: ffffffffffffffda RBX: 0000000000000316 RCX: 00007fee0d994312
[   19.529715][  T174] RDX: 0000000000000316 RSI: 0000559b69d63f10 RDI: 000000000000000b
[   19.529716][  T174] RBP: 00007ffcf98cdc40 R08: 0000000000000000 R09: 0000000000000000
[   19.529717][  T174] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fee0d801390
[   19.529718][  T174] R13: 0000559b69d63f10 R14: 000000000000000b R15: 00007fee0d78d0d0
| [   20.529227][  T174] softirqs last disabled at (716901): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   20.529230][  T174] Preemption disabled at:
| [   20.529231][  T174] vprintk_emit (kernel/printk/printk.c:2471)
| [   20.529240][  T174] Tainted: [W]=WARN
[   20.529241][  T174] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.529244][  T174] Call Trace:
[   20.529245][  T174]  <TASK>
[   20.529247][  T174]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   20.529254][  T174]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   20.529256][  T174]  __might_resched.cold (kernel/sched/core.c:9234)
[   20.529261][  T174]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   20.529265][  T174]  ? kmem_cache_alloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5010)
[   20.529271][  T174]  kmem_cache_alloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5010 (discriminator 2))
[   20.529273][  T174]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   20.529275][  T174]  ? __alloc_object (mm/kmemleak.c:504 (discriminator 1) mm/kmemleak.c:686 (discriminator 1))
[   20.529288][  T174]  __alloc_object (mm/kmemleak.c:504 (discriminator 1) mm/kmemleak.c:686 (discriminator 1))
[   20.529290][  T174]  ? kasan_quarantine_reduce (./include/linux/srcu.h:498 mm/kasan/quarantine.c:287)
[   20.529293][  T174]  __create_object (mm/kmemleak.c:801)
[   20.529297][  T174]  __kmalloc_noprof (./include/linux/kmemleak.h:44 mm/slub.c:4696 mm/slub.c:4996 mm/slub.c:5413 mm/slub.c:5439)
[   20.529299][  T174]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.529306][  T174]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.529310][  T174]  put_chars (drivers/char/virtio_console.c:1176)
[   20.529313][  T174]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   20.529315][  T174]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   20.529319][  T174]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.529323][  T174]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   20.529327][  T174]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   20.529331][  T174]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.529333][  T174]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.529338][  T174]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   20.529342][  T174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.529344][  T174]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.529349][  T174]  console_emit_next_record (kernel/printk/printk.c:3183)
[   20.529353][  T174]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   20.529360][  T174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.529362][  T174]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.529367][  T174]  console_flush_one_record (kernel/printk/printk.c:3268)
[   20.529372][  T174]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   20.529374][  T174]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.529380][  T174]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   20.529383][  T174]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   20.529385][  T174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.529387][  T174]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   20.529391][  T174]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   20.529393][  T174]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   20.529397][  T174]  vprintk_emit (kernel/printk/printk.c:2479)
[   20.529400][  T174]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   20.529402][  T174]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.529404][  T174]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   20.529406][  T174]  ? enabled_store (./include/linux/console.h:573 drivers/net/netconsole.c:1037) netconsole
[   20.529409][  T174]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.529413][  T174]  _printk (kernel/printk/printk.c:2504)
[   20.529417][  T174]  ? snapshot_read.cold (user.c:?)
[   20.529420][  T174]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999)
[   20.529424][  T174]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1))
[   20.529429][  T174]  ? panic_on_this_cpu (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 kernel/panic.c:489)
[   20.529434][  T174] netconsole_print_banner (drivers/net/netconsole.c:735 (discriminator 1)) netconsole
[   20.529438][  T174] enabled_store.cold (drivers/net/netconsole.c:1054) netconsole
[   20.529441][  T174]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   20.529444][  T174]  ? netconsole_write_ext (drivers/net/netconsole.c:2504) netconsole
[   20.529446][  T174]  ? down_write_killable_nested (./arch/x86/include/asm/atomic64_64.h:20)
[   20.529449][  T174]  ? __kmalloc_cache_noprof (mm/slub.c:4986 (discriminator 1) mm/slub.c:5559 (discriminator 1))
[   20.529452][  T174]  ? configfs_write_iter (./include/linux/slab.h:991 (discriminator 1) fs/configfs/file.c:187 (discriminator 1) fs/configfs/file.c:227 (discriminator 1))
[   20.529456][  T174]  ? netconsole_write_ext (drivers/net/netconsole.c:2504) netconsole
[   20.529458][  T174]  configfs_write_iter (fs/configfs/file.c:207 fs/configfs/file.c:229)
[   20.529460][  T174]  ? configfs_bin_write_iter (fs/configfs/file.c:287 (discriminator 1))
[   20.529463][  T174]  new_sync_write (fs/read_write.c:595)
[   20.529467][  T174]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.529470][  T174]  ? new_sync_read (./include/linux/ioprio.h:41)
[   20.529474][  T174]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.529476][  T174]  ? ksys_write (fs/read_write.c:739)
[   20.529483][  T174]  vfs_write (fs/read_write.c:687)
[   20.529487][  T174]  ksys_write (fs/read_write.c:739)
[   20.529490][  T174]  ? __ia32_sys_read (fs/read_write.c:723)
[   20.529493][  T174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.529497][  T174]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   20.529500][  T174]  ? irq_exit_rcu (kernel/softirq.c:786)
[   20.529503][  T174]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.529505][  T174] RIP: 0033:0x7fee0d994312
[   20.529509][  T174] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[   20.529511][  T174] RSP: 002b:00007ffcf98cdc18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   20.529514][  T174] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fee0d994312
[   20.529516][  T174] RDX: 0000000000000001 RSI: 0000559b69d63f10 RDI: 000000000000000b
[   20.529517][  T174] RBP: 00007ffcf98cdc40 R08: 0000000000000000 R09: 0000000000000000
[   20.529518][  T174] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fee0d801390


Finger prints:
__irq_exit_rcu:vprintk_emit:dump_stack_lvl:kmem_cache_alloc_noprof:__alloc_object
fpu_clone:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
__irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars