======================================
| [   11.255261][  T201] softirqs last disabled at (35661): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   11.255264][  T201] Preemption disabled at:
| [   11.255264][  T201] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.255274][  T201] Tainted: [W]=WARN
[   11.255275][  T201] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.255276][  T201] Call Trace:
[   11.255278][  T201]  <TASK>
[   11.255279][  T201]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.255285][  T201]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.255287][  T201]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.255291][  T201]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.255295][  T201]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.255300][  T201]  __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))
[   11.255303][  T201]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.255309][  T201]  ? 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)
[   11.255312][  T201]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.255316][  T201]  put_chars (drivers/char/virtio_console.c:1176)
[   11.255319][  T201]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.255322][  T201]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.255327][  T201]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.255334][  T201]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.255337][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.255341][  T201]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.255344][  T201]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.255348][  T201]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.255352][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.255354][  T201]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.255358][  T201]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.255362][  T201]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.255364][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.255369][  T201]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.255371][  T201]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.255373][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.255375][  T201]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 18) ./include/trace/events/lock.h:23 (discriminator 18) kernel/locking/lockdep.c:5871 (discriminator 18))
[   11.255379][  T201]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.255380][  T201]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.255383][  T201]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.255387][  T201]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.255389][  T201]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.255392][  T201]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.255393][  T201]  ? fast_dput (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) fs/dcache.c:948 (discriminator 2))
[   11.255398][  T201]  ? 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
[   11.255402][  T201]  _printk (kernel/printk/printk.c:2504)
[   11.255406][  T201]  ? snapshot_read.cold (user.c:?)
[   11.255408][  T201]  ? __up_write (kernel/locking/rwsem.c:1422 (discriminator 1))
[   11.255411][  T201]  ? 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
[   11.255414][  T201]  ? 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)
[   11.255418][  T201] init_netconsole (drivers/net/netconsole.c:1286) netconsole
[   11.255422][  T201]  ? 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
[   11.255428][  T201]  ? 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
[   11.255430][  T201]  do_one_initcall (init/main.c:1357)
[   11.255433][  T201]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   11.255437][  T201]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   11.255440][  T201]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   11.255445][  T201]  do_init_module (kernel/module/main.c:3117)
[   11.255449][  T201]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   11.255453][  T201]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   11.255456][  T201]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   11.255460][  T201]  load_module (kernel/module/main.c:3593)
[   11.255467][  T201]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   11.255471][  T201]  ? __ia32_sys_fsconfig (??:?)
[   11.255473][  T201]  ? add_chain_cache (kernel/locking/lockdep.c:3782)
[   11.255478][  T201]  init_module_from_file (kernel/module/main.c:3790)
[   11.255481][  T201]  ? __ia32_sys_init_module (kernel/module/main.c:3647)
[   11.255489][  T201]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   11.255492][  T201]  ? 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)
[   11.255495][  T201]  idempotent_init_module (kernel/module/main.c:3802)
[   11.255498][  T201]  ? init_module_from_file (kernel/module/main.c:3791)
[   11.255504][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.255506][  T201]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   11.255512][  T201]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   11.255514][  T201]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.255518][  T201]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.255520][  T201]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.255522][  T201]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.255525][  T201] RIP: 0033:0x7fcd6973a37d
[   11.255528][  T201] 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
[   11.255530][  T201] RSP: 002b:00007ffd53a9f078 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   11.255532][  T201] RAX: ffffffffffffffda RBX: 000055b582353700 RCX: 00007fcd6973a37d
[   11.255534][  T201] RDX: 0000000000000000 RSI: 000055b549db7ffd RDI: 0000000000000005
[   11.255535][  T201] RBP: 00007ffd53a9f110 R08: 0000000000000000 R09: 0000000000000000
[   11.255535][  T201] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b549db7ffd
[   11.255536][  T201] R13: 000055b582353810 R14: 0000000000040000 R15: 0000000000000000
| [   12.271859][  T200] softirqs last disabled at (353511): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   12.271861][  T200] Preemption disabled at:
| [   12.271862][  T200] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.271872][  T200] Tainted: [W]=WARN
[   12.271873][  T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.271875][  T200] Call Trace:
[   12.271877][  T200]  <TASK>
[   12.271878][  T200]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.271884][  T200]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.271887][  T200]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.271892][  T200]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.271896][  T200]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.271901][  T200]  __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))
[   12.271903][  T200]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.271911][  T200]  ? 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)
[   12.271913][  T200]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.271917][  T200]  put_chars (drivers/char/virtio_console.c:1176)
[   12.271921][  T200]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.271923][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.271928][  T200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.271931][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.271936][  T200]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.271940][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.271945][  T200]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.271949][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.271954][  T200]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.271959][  T200]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.271964][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.271966][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.271970][  T200]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.271975][  T200]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.271977][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.271983][  T200]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.271986][  T200]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.271988][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.271990][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 18) ./include/trace/events/lock.h:23 (discriminator 18) kernel/locking/lockdep.c:5871 (discriminator 18))
[   12.271994][  T200]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.271996][  T200]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.272000][  T200]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.272004][  T200]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.272007][  T200]  ? rcu_gp_is_expedited (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 kernel/rcu/update.c:196)
[   12.272009][  T200]  ? synchronize_rcu (kernel/rcu/tree.c:3410)
[   12.272014][  T200]  _printk (kernel/printk/printk.c:2504)
[   12.272018][  T200]  ? snapshot_read.cold (user.c:?)
[   12.272019][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.272024][  T200]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   12.272026][  T200]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   12.272030][  T200]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   12.272034][  T200]  ? __free_object (./include/linux/irqflags.h:266 (discriminator 6) lib/debugobjects.c:536 (discriminator 6))
[   12.272039][  T200] enabled_store.cold (drivers/net/netconsole.c:1071 (discriminator 1)) netconsole
[   12.272042][  T200]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   12.272046][  T200]  ? netconsole_write_ext (drivers/net/netconsole.c:2504) netconsole
[   12.272048][  T200]  ? down_write_killable_nested (./arch/x86/include/asm/atomic64_64.h:20)
[   12.272050][  T200]  ? __kmalloc_cache_noprof (mm/slub.c:5561 (discriminator 1))
[   12.272053][  T200]  ? configfs_write_iter (./include/linux/slab.h:991 (discriminator 1) fs/configfs/file.c:187 (discriminator 1) fs/configfs/file.c:227 (discriminator 1))
[   12.272062][  T200]  ? netconsole_write_ext (drivers/net/netconsole.c:2504) netconsole
[   12.272064][  T200]  configfs_write_iter (fs/configfs/file.c:207 fs/configfs/file.c:229)
[   12.272067][  T200]  ? configfs_bin_write_iter (fs/configfs/file.c:287 (discriminator 1))
[   12.272070][  T200]  new_sync_write (fs/read_write.c:595)
[   12.272072][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.272075][  T200]  ? new_sync_read (./include/linux/ioprio.h:41)
[   12.272078][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.272080][  T200]  ? ksys_write (fs/read_write.c:739)
[   12.272087][  T200]  vfs_write (fs/read_write.c:687)
[   12.272091][  T200]  ksys_write (fs/read_write.c:739)
[   12.272094][  T200]  ? __ia32_sys_read (fs/read_write.c:723)
[   12.272097][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.272101][  T200]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.272103][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.272107][  T200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.272109][  T200] RIP: 0033:0x7f288f4ce312
[   12.272113][  T200] 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)
[   12.272115][  T200] RSP: 002b:00007ffd6a7d5a18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   12.272118][  T200] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f288f4ce312
[   12.272120][  T200] RDX: 0000000000000001 RSI: 000055adeb1a02b0 RDI: 0000000000000009
[   12.272121][  T200] RBP: 00007ffd6a7d5a40 R08: 0000000000000000 R09: 0000000000000000
[   12.272122][  T200] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f288f33b390
[   12.272123][  T200] R13: 000055adeb1a02b0 R14: 0000000000000009 R15: 00007f288f2c90d0
| [   13.497951][  T200] softirqs last disabled at (374017): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   13.497953][  T200] Preemption disabled at:
| [   13.497954][  T200] vprintk_emit (kernel/printk/printk.c:2471)
| [   13.497963][  T200] Tainted: [W]=WARN
[   13.497964][  T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.497966][  T200] Call Trace:
[   13.497967][  T200]  <TASK>
[   13.497969][  T200]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.497975][  T200]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   13.497977][  T200]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.497982][  T200]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.497986][  T200]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   13.497991][  T200]  __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))
[   13.497994][  T200]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.498000][  T200]  ? 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)
[   13.498003][  T200]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.498006][  T200]  put_chars (drivers/char/virtio_console.c:1176)
[   13.498010][  T200]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.498012][  T200]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   13.498015][  T200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.498018][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.498022][  T200]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.498026][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.498028][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.498032][  T200]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.498036][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.498039][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.498043][  T200]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.498047][  T200]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.498051][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.498053][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.498057][  T200]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.498067][  T200]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.498069][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.498074][  T200]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.498076][  T200]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.498078][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.498081][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 18) ./include/trace/events/lock.h:23 (discriminator 18) kernel/locking/lockdep.c:5871 (discriminator 18))
[   13.498084][  T200]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.498086][  T200]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.498089][  T200]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.498093][  T200]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.498096][  T200]  ? _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)
[   13.498102][  T200]  devkmsg_emit.constprop.0 (kernel/printk/printk.c:733)
[   13.498105][  T200]  ? vprintk_emit.cold (kernel/printk/printk.c:2449)
[   13.498109][  T200]  ? __kmalloc_noprof (mm/slub.c:5415 mm/slub.c:5439)
[   13.498111][  T200]  ? idr_get_free (??:?)
[   13.498115][  T200]  ? devkmsg_write (./include/linux/slab.h:995 kernel/printk/printk.c:762)
[   13.498118][  T200]  ? _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)
[   13.498120][  T200]  devkmsg_write.cold (kernel/printk/printk.c:796)
[   13.498123][  T200]  ? vprintk_default (kernel/printk/printk.c:2494)
[   13.498127][  T200]  ? vprintk_default (kernel/printk/printk.c:2494)
[   13.498130][  T200]  new_sync_write (fs/read_write.c:595)
[   13.498135][  T200]  ? new_sync_read (./include/linux/ioprio.h:41)
[   13.498138][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.498143][  T200]  ? __fget_files (./include/linux/rcupdate.h:882 fs/file.c:1100)
[   13.498146][  T200]  vfs_write (fs/read_write.c:687)
[   13.498151][  T200]  ksys_write (fs/read_write.c:739)
[   13.498153][  T200]  ? __ia32_sys_read (fs/read_write.c:723)
[   13.498156][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.498160][  T200]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.498162][  T200]  ? common_interrupt (arch/x86/kernel/irq.c:273 (discriminator 18))
[   13.498165][  T200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.498168][  T200] RIP: 0033:0x7f288f4ce312
[   13.498172][  T200] 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)
[   13.498174][  T200] RSP: 002b:00007ffd6a7d5a18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   13.498177][  T200] RAX: ffffffffffffffda RBX: 00000000000002ee RCX: 00007f288f4ce312
[   13.498178][  T200] RDX: 00000000000002ee RSI: 000055adeb1a02b0 RDI: 0000000000000009
[   13.498179][  T200] RBP: 00007ffd6a7d5a40 R08: 0000000000000000 R09: 0000000000000000
[   13.498180][  T200] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f288f33b390
[   13.498181][  T200] R13: 000055adeb1a02b0 R14: 0000000000000009 R15: 00007f288f2c90d0
| [   14.506659][  T260] softirqs last disabled at (304305): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   14.506661][  T260] Preemption disabled at:
| [   14.506662][  T260] vprintk_emit (kernel/printk/printk.c:2471)
| [   14.506672][  T260] Tainted: [W]=WARN
[   14.506673][  T260] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.506675][  T260] Call Trace:
[   14.506677][  T260]  <TASK>
[   14.506678][  T260]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   14.506684][  T260]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   14.506686][  T260]  __might_resched.cold (kernel/sched/core.c:9234)
[   14.506691][  T260]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   14.506695][  T260]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   14.506700][  T260]  __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))
[   14.506703][  T260]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.506709][  T260]  ? 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)
[   14.506712][  T260]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.506716][  T260]  put_chars (drivers/char/virtio_console.c:1176)
[   14.506719][  T260]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   14.506721][  T260]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   14.506725][  T260]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.506728][  T260]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.506732][  T260]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   14.506736][  T260]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.506737][  T260]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.506742][  T260]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   14.506745][  T260]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.506749][  T260]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.506753][  T260]  console_emit_next_record (kernel/printk/printk.c:3183)
[   14.506756][  T260]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   14.506763][  T260]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.506765][  T260]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.506769][  T260]  console_flush_one_record (kernel/printk/printk.c:3268)
[   14.506773][  T260]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   14.506775][  T260]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.506780][  T260]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   14.506783][  T260]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   14.506785][  T260]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.506787][  T260]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 18) ./include/trace/events/lock.h:23 (discriminator 18) kernel/locking/lockdep.c:5871 (discriminator 18))
[   14.506791][  T260]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   14.506792][  T260]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   14.506796][  T260]  vprintk_emit (kernel/printk/printk.c:2479)
[   14.506801][  T260]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   14.506805][  T260]  ? kasan_save_track (mm/kasan/common.c:78)
[   14.506810][  T260]  _printk (kernel/printk/printk.c:2504)
[   14.506813][  T260]  ? snapshot_read.cold (user.c:?)
[   14.506817][  T260]  ? tracefs_init_fs_context (./include/linux/slab.h:991 (discriminator 1) ./include/linux/slab.h:1312 (discriminator 1) fs/tracefs/inode.c:506 (discriminator 1))
[   14.506824][  T260]  trace_automount.cold (kernel/trace/trace.c:8994 (discriminator 1))
[   14.506828][  T260]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.506831][  T260]  __traverse_mounts (fs/namei.c:1565 fs/namei.c:1618)
[   14.506837][  T260]  step_into_slowpath (fs/namei.c:1647 fs/namei.c:1749 fs/namei.c:2104)
[   14.506840][  T260]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.506844][  T260]  ? pick_link (fs/namei.c:798 (discriminator 12))
[   14.506846][  T260]  ? __d_lookup (./include/linux/rcupdate.h:882 fs/dcache.c:2638)
[   14.506851][  T260]  ? lookup_fast (fs/namei.c:1878)
[   14.506854][  T260]  link_path_walk (fs/namei.c:2152 fs/namei.c:2288 fs/namei.c:2656)
[   14.506858][  T260]  ? __raw_spin_lock_init (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/spinlock_debug.c:25)
[   14.506860][  T260]  ? vfs_rename (./include/linux/list.h:457 (discriminator 5))
[   14.506863][  T260]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   14.506866][  T260]  ? init_file.isra.0 (./include/linux/instrumented.h:97 ./include/linux/atomic/atomic-instrumented.h:3223 ./include/linux/file_ref.h:61 fs/file_table.c:229)
[   14.506870][  T260]  path_openat (fs/namei.c:4996 (discriminator 1))
[   14.506873][  T260]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.506875][  T260]  ? kernel_tmpfile_open (fs/namei.c:4942)
[   14.506878][  T260]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.506882][  T260]  do_file_open (fs/namei.c:5029)
[   14.506885][  T260]  ? path_openat (./include/linux/mount.h:68 (discriminator 3))
[   14.506887][  T260]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.506896][  T260]  ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:201 (discriminator 1) kernel/locking/spinlock.c:213 (discriminator 1))
[   14.506901][  T260]  ? alloc_fd (./include/linux/spinlock.h:401 fs/file.c:610)
[   14.506906][  T260]  do_sys_openat2 (fs/open.c:1417 (discriminator 5))
[   14.506910][  T260]  ? build_open_flags (fs/open.c:1319 (discriminator 3))
[   14.506913][  T260]  ? kmem_cache_free (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6626)
[   14.506918][  T260]  __x64_sys_openat (fs/open.c:1423 fs/open.c:1439 fs/open.c:1434 fs/open.c:1434)
[   14.506921][  T260]  ? generic_file_open (./include/linux/fs.h:1143 (discriminator 4))
[   14.506924][  T260]  ? __x64_sys_open (fs/open.c:1427)
[   14.506927][  T260]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.506929][  T260]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   14.506933][  T260]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   14.506936][  T260]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   14.506939][  T260]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.506941][  T260] RIP: 0033:0x7ff99bde854e
[   14.506946][  T260] 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
[   14.506948][  T260] RSP: 002b:00007ffe2e63e380 EFLAGS: 00000202 ORIG_RAX: 0000000000000101
[   14.506951][  T260] RAX: ffffffffffffffda RBX: 0000558a5a635010 RCX: 00007ff99bde854e
[   14.506952][  T260] RDX: 0000000000000000 RSI: 0000558a5a73faa0 RDI: ffffffffffffff9c
[   14.506953][  T260] RBP: 00007ffe2e63e390 R08: 0000000000000000 R09: 0000000000000000
[   14.506954][  T260] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000008
[   14.506955][  T260] R13: 00007ff99c2d144d R14: 00007ff99c2d144d R15: 0000000000000001
| [   15.640873][  T200] softirqs last disabled at (404727): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   15.640876][  T200] Preemption disabled at:
| [   15.640876][  T200] vprintk_emit (kernel/printk/printk.c:2471)
| [   15.640886][  T200] Tainted: [W]=WARN
[   15.640887][  T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.640889][  T200] Call Trace:
[   15.640890][  T200]  <TASK>
[   15.640892][  T200]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   15.640897][  T200]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   15.640900][  T200]  __might_resched.cold (kernel/sched/core.c:9234)
[   15.640905][  T200]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   15.640909][  T200]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   15.640914][  T200]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   15.640916][  T200]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.640923][  T200]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   15.640926][  T200]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.640929][  T200]  put_chars (drivers/char/virtio_console.c:1176)
[   15.640933][  T200]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   15.640935][  T200]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   15.640938][  T200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.640941][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.640945][  T200]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   15.640949][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.640950][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.640955][  T200]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   15.640958][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.640962][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.640965][  T200]  console_emit_next_record (kernel/printk/printk.c:3183)
[   15.640969][  T200]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   15.640973][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.640976][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.640979][  T200]  console_flush_one_record (kernel/printk/printk.c:3268)
[   15.640983][  T200]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   15.640985][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.640990][  T200]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   15.640993][  T200]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   15.640995][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.640997][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 18) ./include/trace/events/lock.h:23 (discriminator 18) kernel/locking/lockdep.c:5871 (discriminator 18))
[   15.641001][  T200]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   15.641002][  T200]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   15.641006][  T200]  vprintk_emit (kernel/printk/printk.c:2479)
[   15.641009][  T200]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   15.641012][  T200]  ? _copy_from_iter (./include/linux/instrumented.h:146 lib/iov_iter.c:66 ./include/linux/iov_iter.h:30 ./include/linux/iov_iter.h:302 ./include/linux/iov_iter.h:330 lib/iov_iter.c:261 lib/iov_iter.c:272)
[   15.641018][  T200]  devkmsg_emit.constprop.0 (kernel/printk/printk.c:733)
[   15.641022][  T200]  ? vprintk_emit.cold (kernel/printk/printk.c:2449)
[   15.641025][  T200]  ? __kmalloc_noprof (mm/slub.c:5415 mm/slub.c:5439)
[   15.641028][  T200]  ? idr_get_free (??:?)
[   15.641031][  T200]  ? devkmsg_write (./include/linux/slab.h:995 kernel/printk/printk.c:762)
[   15.641034][  T200]  ? _copy_from_iter (./include/linux/instrumented.h:146 lib/iov_iter.c:66 ./include/linux/iov_iter.h:30 ./include/linux/iov_iter.h:302 ./include/linux/iov_iter.h:330 lib/iov_iter.c:261 lib/iov_iter.c:272)
[   15.641037][  T200]  devkmsg_write.cold (kernel/printk/printk.c:796)
[   15.641039][  T200]  ? vprintk_default (kernel/printk/printk.c:2494)
[   15.641044][  T200]  ? vprintk_default (kernel/printk/printk.c:2494)
[   15.641046][  T200]  new_sync_write (fs/read_write.c:595)
[   15.641051][  T200]  ? new_sync_read (./include/linux/ioprio.h:41)
[   15.641054][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.641059][  T200]  ? __fget_files (./include/linux/rcupdate.h:882 fs/file.c:1100)
[   15.641062][  T200]  vfs_write (fs/read_write.c:687)
[   15.641066][  T200]  ksys_write (fs/read_write.c:739)
[   15.641069][  T200]  ? __ia32_sys_read (fs/read_write.c:723)
[   15.641078][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.641082][  T200]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   15.641085][  T200]  ? irq_exit_rcu (kernel/softirq.c:786)
[   15.641087][  T200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.641090][  T200] RIP: 0033:0x7f288f4ce312
[   15.641094][  T200] 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)
[   15.641096][  T200] RSP: 002b:00007ffd6a7d5a18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   15.641099][  T200] RAX: ffffffffffffffda RBX: 00000000000002ee RCX: 00007f288f4ce312
[   15.641100][  T200] RDX: 00000000000002ee RSI: 000055adeb1a02b0 RDI: 0000000000000009
[   15.641101][  T200] RBP: 00007ffd6a7d5a40 R08: 0000000000000000 R09: 0000000000000000
[   15.641102][  T200] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f288f33b390
[   15.641103][  T200] R13: 000055adeb1a02b0 R14: 0000000000000009 R15: 00007f288f2c90d0
| [   16.899540][  T200] softirqs last disabled at (441879): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   16.899542][  T200] Preemption disabled at:
| [   16.899543][  T200] vprintk_emit (kernel/printk/printk.c:2471)
| [   16.899552][  T200] Tainted: [W]=WARN
[   16.899553][  T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.899555][  T200] Call Trace:
[   16.899556][  T200]  <TASK>
[   16.899558][  T200]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   16.899564][  T200]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   16.899566][  T200]  __might_resched.cold (kernel/sched/core.c:9234)
[   16.899571][  T200]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   16.899575][  T200]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   16.899580][  T200]  __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))
[   16.899582][  T200]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.899589][  T200]  ? 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)
[   16.899592][  T200]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.899595][  T200]  put_chars (drivers/char/virtio_console.c:1176)
[   16.899599][  T200]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   16.899601][  T200]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   16.899604][  T200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.899607][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.899611][  T200]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   16.899615][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.899617][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.899621][  T200]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   16.899625][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.899628][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.899632][  T200]  console_emit_next_record (kernel/printk/printk.c:3183)
[   16.899635][  T200]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   16.899640][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.899642][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.899646][  T200]  console_flush_one_record (kernel/printk/printk.c:3268)
[   16.899650][  T200]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   16.899652][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.899656][  T200]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   16.899659][  T200]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   16.899661][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.899663][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 18) ./include/trace/events/lock.h:23 (discriminator 18) kernel/locking/lockdep.c:5871 (discriminator 18))
[   16.899667][  T200]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   16.899669][  T200]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   16.899672][  T200]  vprintk_emit (kernel/printk/printk.c:2479)
[   16.899676][  T200]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   16.899679][  T200]  ? _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)
[   16.899685][  T200]  devkmsg_emit.constprop.0 (kernel/printk/printk.c:733)
[   16.899689][  T200]  ? vprintk_emit.cold (kernel/printk/printk.c:2449)
[   16.899692][  T200]  ? __kmalloc_noprof (mm/slub.c:5415 mm/slub.c:5439)
[   16.899695][  T200]  ? idr_get_free (??:?)
[   16.899698][  T200]  ? devkmsg_write (./include/linux/slab.h:995 kernel/printk/printk.c:762)
[   16.899701][  T200]  ? _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)
[   16.899704][  T200]  devkmsg_write.cold (kernel/printk/printk.c:796)
[   16.899706][  T200]  ? vprintk_default (kernel/printk/printk.c:2494)
[   16.899711][  T200]  ? vprintk_default (kernel/printk/printk.c:2494)
[   16.899713][  T200]  new_sync_write (fs/read_write.c:595)
[   16.899718][  T200]  ? new_sync_read (./include/linux/ioprio.h:41)
[   16.899721][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.899726][  T200]  ? __fget_files (./include/linux/rcupdate.h:882 fs/file.c:1100)
[   16.899729][  T200]  vfs_write (fs/read_write.c:687)
[   16.899733][  T200]  ksys_write (fs/read_write.c:739)
[   16.899736][  T200]  ? __ia32_sys_read (fs/read_write.c:723)
[   16.899739][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.899742][  T200]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   16.899745][  T200]  ? irq_exit_rcu (kernel/softirq.c:786)
[   16.899748][  T200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.899750][  T200] RIP: 0033:0x7f288f4ce312
[   16.899754][  T200] 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)
[   16.899756][  T200] RSP: 002b:00007ffd6a7d5a18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   16.899762][  T200] RAX: ffffffffffffffda RBX: 00000000000002ee RCX: 00007f288f4ce312
[   16.899763][  T200] RDX: 00000000000002ee RSI: 000055adeb1a02b0 RDI: 0000000000000009
[   16.899764][  T200] RBP: 00007ffd6a7d5a40 R08: 0000000000000000 R09: 0000000000000000
[   16.899765][  T200] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f288f33b390
[   16.899766][  T200] R13: 000055adeb1a02b0 R14: 0000000000000009 R15: 00007f288f2c90d0
| [   18.051177][  T200] softirqs last disabled at (469233): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   18.051179][  T200] Preemption disabled at:
| [   18.051180][  T200] vprintk_emit (kernel/printk/printk.c:2471)
| [   18.051189][  T200] Tainted: [W]=WARN
[   18.051191][  T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.051192][  T200] Call Trace:
[   18.051194][  T200]  <TASK>
[   18.051196][  T200]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   18.051201][  T200]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   18.051204][  T200]  __might_resched.cold (kernel/sched/core.c:9234)
[   18.051209][  T200]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   18.051212][  T200]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   18.051217][  T200]  __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))
[   18.051220][  T200]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.051226][  T200]  ? 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)
[   18.051229][  T200]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.051233][  T200]  put_chars (drivers/char/virtio_console.c:1176)
[   18.051236][  T200]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   18.051238][  T200]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   18.051241][  T200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.051244][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   18.051248][  T200]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   18.051252][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.051254][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.051258][  T200]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   18.051262][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.051265][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.051269][  T200]  console_emit_next_record (kernel/printk/printk.c:3183)
[   18.051272][  T200]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   18.051277][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.051279][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.051283][  T200]  console_flush_one_record (kernel/printk/printk.c:3268)
[   18.051287][  T200]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   18.051289][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.051294][  T200]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   18.051296][  T200]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   18.051298][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.051301][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 18) ./include/trace/events/lock.h:23 (discriminator 18) kernel/locking/lockdep.c:5871 (discriminator 18))
[   18.051304][  T200]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   18.051306][  T200]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   18.051309][  T200]  vprintk_emit (kernel/printk/printk.c:2479)
[   18.051313][  T200]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   18.051316][  T200]  ? _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)
[   18.051321][  T200]  devkmsg_emit.constprop.0 (kernel/printk/printk.c:733)
[   18.051325][  T200]  ? vprintk_emit.cold (kernel/printk/printk.c:2449)
[   18.051329][  T200]  ? __kmalloc_noprof (mm/slub.c:5415 mm/slub.c:5439)
[   18.051331][  T200]  ? idr_get_free (??:?)
[   18.051335][  T200]  ? devkmsg_write (./include/linux/slab.h:995 kernel/printk/printk.c:762)
[   18.051338][  T200]  ? _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)
[   18.051340][  T200]  devkmsg_write.cold (kernel/printk/printk.c:796)
[   18.051342][  T200]  ? net_rx_action (net/core/dev.c:7988)
[   18.051346][  T200]  ? vprintk_default (kernel/printk/printk.c:2494)
[   18.051350][  T200]  ? vprintk_default (kernel/printk/printk.c:2494)
[   18.051353][  T200]  new_sync_write (fs/read_write.c:595)
[   18.051356][  T200]  ? validate_chain (kernel/locking/lockdep.c:159 (discriminator 37) kernel/locking/lockdep.c:191 (discriminator 37) kernel/locking/lockdep.c:3928 (discriminator 37))
[   18.051359][  T200]  ? new_sync_read (./include/linux/ioprio.h:41)
[   18.051362][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.051367][  T200]  ? __fget_files (./include/linux/rcupdate.h:882 fs/file.c:1100)
[   18.051370][  T200]  vfs_write (fs/read_write.c:687)
[   18.051375][  T200]  ksys_write (fs/read_write.c:739)
[   18.051377][  T200]  ? __ia32_sys_read (fs/read_write.c:723)
[   18.051379][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.051382][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.051385][  T200]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   18.051388][  T200]  ? common_interrupt (arch/x86/kernel/irq.c:273 (discriminator 18))
[   18.051391][  T200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.051394][  T200] RIP: 0033:0x7f288f4ce312
[   18.051398][  T200] 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)
[   18.051400][  T200] RSP: 002b:00007ffd6a7d5a18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   18.051403][  T200] RAX: ffffffffffffffda RBX: 0000000000000316 RCX: 00007f288f4ce312
[   18.051404][  T200] RDX: 0000000000000316 RSI: 000055adeb1a02b0 RDI: 0000000000000009
[   18.051405][  T200] RBP: 00007ffd6a7d5a40 R08: 0000000000000000 R09: 0000000000000000
[   18.051406][  T200] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f288f33b390
[   18.051407][  T200] R13: 000055adeb1a02b0 R14: 0000000000000009 R15: 00007f288f2c90d0
| [   19.152511][  T200] softirqs last disabled at (485725): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   19.152514][  T200] Preemption disabled at:
| [   19.152514][  T200] vprintk_emit (kernel/printk/printk.c:2471)
| [   19.152525][  T200] Tainted: [W]=WARN
[   19.152526][  T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.152527][  T200] Call Trace:
[   19.152529][  T200]  <TASK>
[   19.152530][  T200]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   19.152536][  T200]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   19.152538][  T200]  __might_resched.cold (kernel/sched/core.c:9234)
[   19.152543][  T200]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   19.152547][  T200]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   19.152553][  T200]  __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))
[   19.152555][  T200]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.152561][  T200]  ? 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)
[   19.152564][  T200]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.152568][  T200]  put_chars (drivers/char/virtio_console.c:1176)
[   19.152571][  T200]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   19.152573][  T200]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   19.152577][  T200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   19.152580][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   19.152584][  T200]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   19.152588][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.152589][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.152594][  T200]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   19.152597][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.152601][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.152605][  T200]  console_emit_next_record (kernel/printk/printk.c:3183)
[   19.152608][  T200]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   19.152613][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.152615][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.152619][  T200]  console_flush_one_record (kernel/printk/printk.c:3268)
[   19.152623][  T200]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   19.152625][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.152630][  T200]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   19.152632][  T200]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   19.152634][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.152637][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 18) ./include/trace/events/lock.h:23 (discriminator 18) kernel/locking/lockdep.c:5871 (discriminator 18))
[   19.152640][  T200]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   19.152642][  T200]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   19.152645][  T200]  vprintk_emit (kernel/printk/printk.c:2479)
[   19.152649][  T200]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   19.152652][  T200]  ? _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)
[   19.152658][  T200]  devkmsg_emit.constprop.0 (kernel/printk/printk.c:733)
[   19.152661][  T200]  ? vprintk_emit.cold (kernel/printk/printk.c:2449)
[   19.152665][  T200]  ? __kmalloc_noprof (mm/slub.c:5415 mm/slub.c:5439)
[   19.152667][  T200]  ? idr_get_free (??:?)
[   19.152671][  T200]  ? devkmsg_write (./include/linux/slab.h:995 kernel/printk/printk.c:762)
[   19.152674][  T200]  ? _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)
[   19.152676][  T200]  devkmsg_write.cold (kernel/printk/printk.c:796)
[   19.152678][  T200]  ? net_rx_action (net/core/dev.c:7988)
[   19.152682][  T200]  ? vprintk_default (kernel/printk/printk.c:2494)
[   19.152687][  T200]  ? vprintk_default (kernel/printk/printk.c:2494)
[   19.152689][  T200]  new_sync_write (fs/read_write.c:595)
[   19.152692][  T200]  ? validate_chain (kernel/locking/lockdep.c:159 (discriminator 37) kernel/locking/lockdep.c:191 (discriminator 37) kernel/locking/lockdep.c:3928 (discriminator 37))
[   19.152695][  T200]  ? new_sync_read (./include/linux/ioprio.h:41)
[   19.152698][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.152703][  T200]  ? __fget_files (./include/linux/rcupdate.h:882 fs/file.c:1100)
[   19.152706][  T200]  vfs_write (fs/read_write.c:687)
[   19.152711][  T200]  ksys_write (fs/read_write.c:739)
[   19.152713][  T200]  ? __ia32_sys_read (fs/read_write.c:723)
[   19.152716][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.152720][  T200]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   19.152722][  T200]  ? common_interrupt (arch/x86/kernel/irq.c:273 (discriminator 18))
[   19.152725][  T200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.152727][  T200] RIP: 0033:0x7f288f4ce312
[   19.152732][  T200] 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)
[   19.152733][  T200] RSP: 002b:00007ffd6a7d5a18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   19.152736][  T200] RAX: ffffffffffffffda RBX: 0000000000000316 RCX: 00007f288f4ce312
[   19.152738][  T200] RDX: 0000000000000316 RSI: 000055adeb1a02b0 RDI: 0000000000000009
[   19.152739][  T200] RBP: 00007ffd6a7d5a40 R08: 0000000000000000 R09: 0000000000000000
[   19.152740][  T200] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f288f33b390
[   19.152741][  T200] R13: 000055adeb1a02b0 R14: 0000000000000009 R15: 00007f288f2c90d0
| [   20.361892][  T200] softirqs last disabled at (527037): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   20.361894][  T200] Preemption disabled at:
| [   20.361895][  T200] vprintk_emit (kernel/printk/printk.c:2471)
| [   20.361905][  T200] Tainted: [W]=WARN
[   20.361906][  T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.361907][  T200] Call Trace:
[   20.361909][  T200]  <TASK>
[   20.361910][  T200]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   20.361916][  T200]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   20.361918][  T200]  __might_resched.cold (kernel/sched/core.c:9234)
[   20.361923][  T200]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   20.361927][  T200]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   20.361932][  T200]  __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))
[   20.361934][  T200]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.361941][  T200]  ? 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)
[   20.361944][  T200]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.361948][  T200]  put_chars (drivers/char/virtio_console.c:1176)
[   20.361951][  T200]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   20.361953][  T200]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   20.361957][  T200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.361960][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   20.361964][  T200]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   20.361967][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.361969][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.361973][  T200]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   20.361977][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.361980][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.361984][  T200]  console_emit_next_record (kernel/printk/printk.c:3183)
[   20.361988][  T200]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   20.361992][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.361994][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.361998][  T200]  console_flush_one_record (kernel/printk/printk.c:3268)
[   20.362002][  T200]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   20.362004][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.362009][  T200]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   20.362012][  T200]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   20.362014][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.362016][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 18) ./include/trace/events/lock.h:23 (discriminator 18) kernel/locking/lockdep.c:5871 (discriminator 18))
[   20.362020][  T200]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   20.362021][  T200]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   20.362025][  T200]  vprintk_emit (kernel/printk/printk.c:2479)
[   20.362028][  T200]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   20.362031][  T200]  ? _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)
[   20.362037][  T200]  devkmsg_emit.constprop.0 (kernel/printk/printk.c:733)
[   20.362040][  T200]  ? vprintk_emit.cold (kernel/printk/printk.c:2449)
[   20.362044][  T200]  ? __kmalloc_noprof (mm/slub.c:5415 mm/slub.c:5439)
[   20.362046][  T200]  ? idr_get_free (??:?)
[   20.362050][  T200]  ? devkmsg_write (./include/linux/slab.h:995 kernel/printk/printk.c:762)
[   20.362053][  T200]  ? _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)
[   20.362055][  T200]  devkmsg_write.cold (kernel/printk/printk.c:796)
[   20.362058][  T200]  ? vprintk_default (kernel/printk/printk.c:2494)
[   20.362061][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.362063][  T200]  ? object_cpu_offline (lib/debugobjects.c:565 (discriminator 6) lib/debugobjects.c:577 (discriminator 6))
[   20.362066][  T200]  ? vprintk_default (kernel/printk/printk.c:2494)
[   20.362069][  T200]  new_sync_write (fs/read_write.c:595)
[   20.362071][  T200]  ? static_obj (kernel/locking/lockdep.c:868 (discriminator 1))
[   20.362074][  T200]  ? new_sync_read (./include/linux/ioprio.h:41)
[   20.362078][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   20.362082][  T200]  ? __fget_files (./include/linux/rcupdate.h:882 fs/file.c:1100)
[   20.362086][  T200]  vfs_write (fs/read_write.c:687)
[   20.362090][  T200]  ksys_write (fs/read_write.c:739)
[   20.362093][  T200]  ? __ia32_sys_read (fs/read_write.c:723)
[   20.362100][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.362102][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.362106][  T200]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   20.362109][  T200]  ? irq_exit_rcu (kernel/softirq.c:786)
[   20.362111][  T200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.362114][  T200] RIP: 0033:0x7f288f4ce312
[   20.362118][  T200] 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)
[   20.362120][  T200] RSP: 002b:00007ffd6a7d5a18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   20.362123][  T200] RAX: ffffffffffffffda RBX: 0000000000000316 RCX: 00007f288f4ce312
[   20.362125][  T200] RDX: 0000000000000316 RSI: 000055adeb1a02b0 RDI: 0000000000000009
[   20.362126][  T200] RBP: 00007ffd6a7d5a40 R08: 0000000000000000 R09: 0000000000000000
[   20.362126][  T200] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f288f33b390
[   20.362127][  T200] R13: 000055adeb1a02b0 R14: 0000000000000009 R15: 00007f288f2c90d0
| [   21.491297][  T200] softirqs last disabled at (551521): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   21.491299][  T200] Preemption disabled at:
| [   21.491300][  T200] vprintk_emit (kernel/printk/printk.c:2471)
| [   21.491310][  T200] Tainted: [W]=WARN
[   21.491311][  T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.491312][  T200] Call Trace:
[   21.491314][  T200]  <TASK>
[   21.491316][  T200]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   21.491321][  T200]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   21.491323][  T200]  __might_resched.cold (kernel/sched/core.c:9234)
[   21.491328][  T200]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   21.491332][  T200]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   21.491337][  T200]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   21.491340][  T200]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.491346][  T200]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   21.491348][  T200]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.491352][  T200]  put_chars (drivers/char/virtio_console.c:1176)
[   21.491355][  T200]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   21.491357][  T200]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   21.491361][  T200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.491364][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   21.491368][  T200]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   21.491371][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.491373][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.491377][  T200]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   21.491381][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.491384][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.491388][  T200]  console_emit_next_record (kernel/printk/printk.c:3183)
[   21.491391][  T200]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   21.491396][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.491398][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.491402][  T200]  console_flush_one_record (kernel/printk/printk.c:3268)
[   21.491406][  T200]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   21.491407][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.491412][  T200]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   21.491415][  T200]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   21.491417][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.491419][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 18) ./include/trace/events/lock.h:23 (discriminator 18) kernel/locking/lockdep.c:5871 (discriminator 18))
[   21.491423][  T200]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   21.491424][  T200]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   21.491428][  T200]  vprintk_emit (kernel/printk/printk.c:2479)
[   21.491431][  T200]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   21.491434][  T200]  ? _copy_from_iter (./include/linux/instrumented.h:146 lib/iov_iter.c:66 ./include/linux/iov_iter.h:30 ./include/linux/iov_iter.h:302 ./include/linux/iov_iter.h:330 lib/iov_iter.c:261 lib/iov_iter.c:272)
[   21.491439][  T200]  devkmsg_emit.constprop.0 (kernel/printk/printk.c:733)
[   21.491443][  T200]  ? vprintk_emit.cold (kernel/printk/printk.c:2449)
[   21.491446][  T200]  ? __kmalloc_noprof (mm/slub.c:5415 mm/slub.c:5439)
[   21.491449][  T200]  ? idr_get_free (??:?)
[   21.491451][  T200]  ? devkmsg_write (./include/linux/slab.h:995 kernel/printk/printk.c:762)
[   21.491454][  T200]  ? _copy_from_iter (./include/linux/instrumented.h:146 lib/iov_iter.c:66 ./include/linux/iov_iter.h:30 ./include/linux/iov_iter.h:302 ./include/linux/iov_iter.h:330 lib/iov_iter.c:261 lib/iov_iter.c:272)
[   21.491457][  T200]  devkmsg_write.cold (kernel/printk/printk.c:796)
[   21.491459][  T200]  ? vprintk_default (kernel/printk/printk.c:2494)
[   21.491464][  T200]  ? vprintk_default (kernel/printk/printk.c:2494)
[   21.491466][  T200]  new_sync_write (fs/read_write.c:595)
[   21.491470][  T200]  ? new_sync_read (./include/linux/ioprio.h:41)
[   21.491474][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   21.491478][  T200]  ? __fget_files (./include/linux/rcupdate.h:882 fs/file.c:1100)
[   21.491482][  T200]  vfs_write (fs/read_write.c:687)
[   21.491486][  T200]  ksys_write (fs/read_write.c:739)
[   21.491489][  T200]  ? __ia32_sys_read (fs/read_write.c:723)
[   21.491491][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.491495][  T200]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   21.491497][  T200]  ? common_interrupt (arch/x86/kernel/irq.c:273 (discriminator 18))
[   21.491500][  T200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.491502][  T200] RIP: 0033:0x7f288f4ce312
[   21.491507][  T200] 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)
[   21.491509][  T200] RSP: 002b:00007ffd6a7d5a18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   21.491512][  T200] RAX: ffffffffffffffda RBX: 0000000000000316 RCX: 00007f288f4ce312
[   21.491513][  T200] RDX: 0000000000000316 RSI: 000055adeb1a02b0 RDI: 0000000000000009
[   21.491514][  T200] RBP: 00007ffd6a7d5a40 R08: 0000000000000000 R09: 0000000000000000
[   21.491515][  T200] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f288f33b390
[   21.491516][  T200] R13: 000055adeb1a02b0 R14: 0000000000000009 R15: 00007f288f2c90d0
| [   22.818189][  T200] softirqs last disabled at (591555): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   22.818191][  T200] Preemption disabled at:
| [   22.818192][  T200] vprintk_emit (kernel/printk/printk.c:2471)
| [   22.818202][  T200] Tainted: [W]=WARN
[   22.818203][  T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.818205][  T200] Call Trace:
[   22.818206][  T200]  <TASK>
[   22.818208][  T200]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   22.818214][  T200]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   22.818217][  T200]  __might_resched.cold (kernel/sched/core.c:9234)
[   22.818221][  T200]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   22.818226][  T200]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   22.818231][  T200]  __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))
[   22.818234][  T200]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   22.818240][  T200]  ? 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)
[   22.818243][  T200]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   22.818247][  T200]  put_chars (drivers/char/virtio_console.c:1176)
[   22.818250][  T200]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   22.818253][  T200]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   22.818256][  T200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.818259][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   22.818263][  T200]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   22.818268][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.818269][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.818274][  T200]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   22.818278][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.818281][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.818285][  T200]  console_emit_next_record (kernel/printk/printk.c:3183)
[   22.818289][  T200]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   22.818293][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.818296][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.818300][  T200]  console_flush_one_record (kernel/printk/printk.c:3268)
[   22.818304][  T200]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   22.818306][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.818312][  T200]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   22.818314][  T200]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   22.818316][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.818319][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 18) ./include/trace/events/lock.h:23 (discriminator 18) kernel/locking/lockdep.c:5871 (discriminator 18))
[   22.818323][  T200]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   22.818324][  T200]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   22.818328][  T200]  vprintk_emit (kernel/printk/printk.c:2479)
[   22.818332][  T200]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   22.818335][  T200]  ? _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)
[   22.818341][  T200]  devkmsg_emit.constprop.0 (kernel/printk/printk.c:733)
[   22.818345][  T200]  ? vprintk_emit.cold (kernel/printk/printk.c:2449)
[   22.818349][  T200]  ? __kmalloc_noprof (mm/slub.c:5415 mm/slub.c:5439)
[   22.818351][  T200]  ? idr_get_free (??:?)
[   22.818355][  T200]  ? devkmsg_write (./include/linux/slab.h:995 kernel/printk/printk.c:762)
[   22.818358][  T200]  ? _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)
[   22.818360][  T200]  devkmsg_write.cold (kernel/printk/printk.c:796)
[   22.818363][  T200]  ? vprintk_default (kernel/printk/printk.c:2494)
[   22.818368][  T200]  ? vprintk_default (kernel/printk/printk.c:2494)
[   22.818370][  T200]  new_sync_write (fs/read_write.c:595)
[   22.818375][  T200]  ? new_sync_read (./include/linux/ioprio.h:41)
[   22.818379][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   22.818384][  T200]  ? __fget_files (./include/linux/rcupdate.h:882 fs/file.c:1100)
[   22.818388][  T200]  vfs_write (fs/read_write.c:687)
[   22.818392][  T200]  ksys_write (fs/read_write.c:739)
[   22.818395][  T200]  ? __ia32_sys_read (fs/read_write.c:723)
[   22.818398][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.818401][  T200]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   22.818404][  T200]  ? common_interrupt (arch/x86/kernel/irq.c:273 (discriminator 18))
[   22.818407][  T200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.818410][  T200] RIP: 0033:0x7f288f4ce312
[   22.818414][  T200] 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)
[   22.818416][  T200] RSP: 002b:00007ffd6a7d5a18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   22.818419][  T200] RAX: ffffffffffffffda RBX: 0000000000000316 RCX: 00007f288f4ce312
[   22.818421][  T200] RDX: 0000000000000316 RSI: 000055adeb1a02b0 RDI: 0000000000000009
[   22.818422][  T200] RBP: 00007ffd6a7d5a40 R08: 0000000000000000 R09: 0000000000000000
[   22.818423][  T200] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f288f33b390


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