======================================
| [   10.644702][  T176] softirqs last disabled at (37187): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   10.644704][  T176] Preemption disabled at:
| [   10.644705][  T176] vprintk_emit (kernel/printk/printk.c:2471)
| [   10.644714][  T176] Tainted: [W]=WARN
[   10.644715][  T176] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.644717][  T176] Call Trace:
[   10.644719][  T176]  <TASK>
[   10.644720][  T176]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.644726][  T176]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   10.644728][  T176]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.644733][  T176]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.644737][  T176]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.644743][  T176]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   10.644745][  T176]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.644752][  T176]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.644755][  T176]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.644759][  T176]  put_chars (drivers/char/virtio_console.c:1176)
[   10.644762][  T176]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.644765][  T176]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.644771][  T176]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.644777][  T176]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.644780][  T176]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.644783][  T176]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.644787][  T176]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.644791][  T176]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.644796][  T176]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.644798][  T176]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.644802][  T176]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.644806][  T176]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.644808][  T176]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.644814][  T176]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.644817][  T176]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.644821][  T176]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.644823][  T176]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.644827][  T176]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.644829][  T176]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.644831][  T176]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.644835][  T176]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.644836][  T176]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.644839][  T176]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.644841][  T176]  ? fast_dput (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) fs/dcache.c:948 (discriminator 2))
[   10.644846][  T176]  ? cleanup_netconsole (./include/linux/list.h:99 (discriminator 2) ./include/linux/list.h:169 (discriminator 2) ./include/linux/list.h:206 (discriminator 2) ./include/linux/configfs.h:112 (discriminator 2) drivers/net/netconsole.c:1718 (discriminator 2)) netconsole
[   10.644850][  T176]  _printk (kernel/printk/printk.c:2504)
[   10.644854][  T176]  ? snapshot_read.cold (user.c:?)
[   10.644857][  T176]  ? __up_write (kernel/locking/rwsem.c:1422 (discriminator 1))
[   10.644860][  T176]  ? cleanup_netconsole (./include/linux/list.h:99 (discriminator 2) ./include/linux/list.h:169 (discriminator 2) ./include/linux/list.h:206 (discriminator 2) ./include/linux/configfs.h:112 (discriminator 2) drivers/net/netconsole.c:1718 (discriminator 2)) netconsole
[   10.644864][  T176]  ? configfs_register_subsystem (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:1383 fs/configfs/dir.c:173 fs/configfs/dir.c:171 fs/configfs/dir.c:1929)
[   10.644868][  T176] init_netconsole (drivers/net/netconsole.c:1286) netconsole
[   10.644872][  T176]  ? cleanup_netconsole (./include/linux/list.h:99 (discriminator 2) ./include/linux/list.h:169 (discriminator 2) ./include/linux/list.h:206 (discriminator 2) ./include/linux/configfs.h:112 (discriminator 2) drivers/net/netconsole.c:1718 (discriminator 2)) netconsole
[   10.644879][  T176]  ? cleanup_netconsole (./include/linux/list.h:99 (discriminator 2) ./include/linux/list.h:169 (discriminator 2) ./include/linux/list.h:206 (discriminator 2) ./include/linux/configfs.h:112 (discriminator 2) drivers/net/netconsole.c:1718 (discriminator 2)) netconsole
[   10.644881][  T176]  do_one_initcall (init/main.c:1357)
[   10.644884][  T176]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   10.644889][  T176]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   10.644891][  T176]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   10.644897][  T176]  do_init_module (kernel/module/main.c:3117)
[   10.644900][  T176]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   10.644904][  T176]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   10.644907][  T176]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   10.644911][  T176]  load_module (kernel/module/main.c:3593)
[   10.644917][  T176]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   10.644921][  T176]  ? __ia32_sys_fsconfig (??:?)
[   10.644924][  T176]  ? add_chain_cache (kernel/locking/lockdep.c:3782)
[   10.644929][  T176]  init_module_from_file (kernel/module/main.c:3790)
[   10.644932][  T176]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   10.644940][  T176]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.644944][  T176]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.644947][  T176]  idempotent_init_module (kernel/module/main.c:3802)
[   10.644950][  T176]  ? init_module_from_file (kernel/module/main.c:3791)
[   10.644955][  T176]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.644957][  T176]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   10.644963][  T176]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   10.644965][  T176]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.644969][  T176]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.644972][  T176]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.644974][  T176]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.644976][  T176] RIP: 0033:0x7fdb8452337d
[   10.644980][  T176] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48
All code
========
   0:	ff c3                	inc    %ebx
   2:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   9:	00 00 00 
   c:	90                   	nop
   d:	f3 0f 1e fa          	endbr64
  11:	48 89 f8             	mov    %rdi,%rax
  14:	48 89 f7             	mov    %rsi,%rdi
  17:	48 89 d6             	mov    %rdx,%rsi
  1a:	48 89 ca             	mov    %rcx,%rdx
  1d:	4d 89 c2             	mov    %r8,%r10
  20:	4d 89 c8             	mov    %r9,%r8
  23:	4c 8b 4c 24 08       	mov    0x8(%rsp),%r9
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa85
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa5b
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.644982][  T176] RSP: 002b:00007ffea5b00f68 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   10.644985][  T176] RAX: ffffffffffffffda RBX: 0000559f465a9700 RCX: 00007fdb8452337d
[   10.644986][  T176] RDX: 0000000000000000 RSI: 0000559f3e77fffd RDI: 0000000000000005
[   10.644987][  T176] RBP: 00007ffea5b01000 R08: 0000000000000000 R09: 0000000000000000
[   10.644988][  T176] R10: 0000000000000000 R11: 0000000000000246 R12: 0000559f3e77fffd
[   10.644989][  T176] R13: 0000559f465a9810 R14: 0000000000040000 R15: 0000000000000000
| [   12.171017][  T175] softirqs last disabled at (405312): fpu_clone (./include/linux/bottom_half.h:20 (discriminator 2) ./arch/x86/include/asm/fpu/api.h:69 (discriminator 2) arch/x86/kernel/fpu/core.c:710 (discriminator 2))
| [   12.171020][  T175] Preemption disabled at:
| [   12.171020][  T175] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.171030][  T175] Tainted: [W]=WARN
[   12.171031][  T175] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.171033][  T175] Call Trace:
[   12.171035][  T175]  <TASK>
[   12.171037][  T175]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.171043][  T175]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.171045][  T175]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.171050][  T175]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.171054][  T175]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.171059][  T175]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   12.171062][  T175]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.171068][  T175]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.171071][  T175]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.171075][  T175]  put_chars (drivers/char/virtio_console.c:1176)
[   12.171079][  T175]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.171081][  T175]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   12.171085][  T175]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   12.171090][  T175]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.171093][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.171095][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.171100][  T175]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.171104][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.171107][  T175]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.171112][  T175]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.171116][  T175]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.171121][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.171123][  T175]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.171128][  T175]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.171133][  T175]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.171135][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.171141][  T175]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.171144][  T175]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.171146][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.171148][  T175]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.171152][  T175]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.171154][  T175]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.171157][  T175]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.171161][  T175]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.171162][  T175]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   12.171164][  T175]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:167)
[   12.171168][  T175]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:167)
[   12.171171][  T175]  ? irqentry_enter (./include/linux/irq-entry-common.h:439 kernel/entry/common.c:120)
[   12.171174][  T175]  _printk (kernel/printk/printk.c:2504)
[   12.171178][  T175]  ? snapshot_read.cold (user.c:?)
[   12.171180][  T175]  ? preempt_schedule_common (kernel/sched/core.c:7449)
[   12.171183][  T175]  ? preempt_schedule_thunk (arch/x86/entry/thunk.S:12)
[   12.171191][  T175]  register_console (kernel/printk/printk.c:4212 (discriminator 7))
[   12.171194][  T175]  ? get_init_console_seq.constprop.0.isra.0 (kernel/printk/printk.c:4018)
[   12.171197][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.171202][  T175] enabled_store (drivers/net/netconsole.c:1039) netconsole
[   12.171204][  T175]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   12.171208][  T175]  ? netconsole_write_ext (drivers/net/netconsole.c:2504) netconsole
[   12.171210][  T175]  ? down_write_killable_nested (./arch/x86/include/asm/atomic64_64.h:20)
[   12.171213][  T175]  ? __kmalloc_cache_noprof (mm/slub.c:4986 (discriminator 1) mm/slub.c:5559 (discriminator 1))
[   12.171216][  T175]  ? configfs_write_iter (./include/linux/slab.h:991 (discriminator 1) fs/configfs/file.c:187 (discriminator 1) fs/configfs/file.c:227 (discriminator 1))
[   12.171220][  T175]  ? netconsole_write_ext (drivers/net/netconsole.c:2504) netconsole
[   12.171222][  T175]  configfs_write_iter (fs/configfs/file.c:207 fs/configfs/file.c:229)
[   12.171225][  T175]  ? configfs_bin_write_iter (fs/configfs/file.c:287 (discriminator 1))
[   12.171227][  T175]  new_sync_write (fs/read_write.c:595)
[   12.171231][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.171234][  T175]  ? new_sync_read (./include/linux/ioprio.h:41)
[   12.171238][  T175]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.171240][  T175]  ? ksys_write (fs/read_write.c:739)
[   12.171247][  T175]  vfs_write (fs/read_write.c:687)
[   12.171251][  T175]  ksys_write (fs/read_write.c:739)
[   12.171253][  T175]  ? __ia32_sys_read (fs/read_write.c:723)
[   12.171257][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.171260][  T175]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.171263][  T175]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.171266][  T175]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.171268][  T175] RIP: 0033:0x7fe74e8ed312
[   12.171272][  T175] 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)
[   12.171274][  T175] RSP: 002b:00007ffd817f4a18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   12.171277][  T175] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fe74e8ed312
[   12.171278][  T175] RDX: 0000000000000001 RSI: 0000555a9d146f10 RDI: 0000000000000010
[   12.171279][  T175] RBP: 00007ffd817f4a40 R08: 0000000000000000 R09: 0000000000000000
[   12.171280][  T175] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe74e75a390
[   12.171281][  T175] R13: 0000555a9d146f10 R14: 0000000000000010 R15: 00007fe74e6e90d0
| [   13.352751][  T253] softirqs last disabled at (438253): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   13.352754][  T253] Preemption disabled at:
| [   13.352755][  T253] vprintk_emit (kernel/printk/printk.c:2471)
| [   13.352764][  T253] Tainted: [W]=WARN
[   13.352765][  T253] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.352767][  T253] Call Trace:
[   13.352769][  T253]  <TASK>
[   13.352771][  T253]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.352776][  T253]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   13.352778][  T253]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.352783][  T253]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.352787][  T253]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   13.352793][  T253]  __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))
[   13.352795][  T253]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.352801][  T253]  ? 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)
[   13.352804][  T253]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.352808][  T253]  put_chars (drivers/char/virtio_console.c:1176)
[   13.352811][  T253]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.352813][  T253]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   13.352817][  T253]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.352823][  T253]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.352827][  T253]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.352831][  T253]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.352833][  T253]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.352837][  T253]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.352841][  T253]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.352843][  T253]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.352847][  T253]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.352851][  T253]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.352856][  T253]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.352858][  T253]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.352862][  T253]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.352866][  T253]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.352868][  T253]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.352873][  T253]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.352876][  T253]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.352878][  T253]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.352880][  T253]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   13.352884][  T253]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.352885][  T253]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.352888][  T253]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.352892][  T253]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.352897][  T253]  _printk (kernel/printk/printk.c:2504)
[   13.352901][  T253]  ? snapshot_read.cold (user.c:?)
[   13.352905][  T253]  ? 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))
[   13.352909][  T253]  ? alloc_fs_context (fs/fs_context.c:295)
[   13.352914][  T253]  trace_automount.cold (kernel/trace/trace.c:8994 (discriminator 1))
[   13.352918][  T253]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.352921][  T253]  __traverse_mounts (fs/namei.c:1565 fs/namei.c:1618)
[   13.352927][  T253]  step_into_slowpath (fs/namei.c:1647 fs/namei.c:1749 fs/namei.c:2104)
[   13.352930][  T253]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.352934][  T253]  ? pick_link (fs/namei.c:798 (discriminator 12))
[   13.352936][  T253]  ? __d_lookup (./include/linux/rcupdate.h:882 fs/dcache.c:2638)
[   13.352941][  T253]  ? lookup_fast (fs/namei.c:1878)
[   13.352945][  T253]  link_path_walk (fs/namei.c:2152 fs/namei.c:2288 fs/namei.c:2656)
[   13.352949][  T253]  ? __raw_spin_lock_init (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/spinlock_debug.c:25)
[   13.352951][  T253]  ? vfs_rename (./include/linux/list.h:457 (discriminator 5))
[   13.352954][  T253]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   13.352957][  T253]  ? 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)
[   13.352961][  T253]  path_openat (fs/namei.c:4996 (discriminator 1))
[   13.352963][  T253]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.352965][  T253]  ? kernel_tmpfile_open (fs/namei.c:4942)
[   13.352969][  T253]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.352973][  T253]  do_file_open (fs/namei.c:5029)
[   13.352976][  T253]  ? path_openat (./include/linux/mount.h:68 (discriminator 3))
[   13.352978][  T253]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.352987][  T253]  ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:201 (discriminator 1) kernel/locking/spinlock.c:213 (discriminator 1))
[   13.352991][  T253]  ? alloc_fd (./include/linux/spinlock.h:401 fs/file.c:610)
[   13.352999][  T253]  do_sys_openat2 (fs/open.c:1417 (discriminator 5))
[   13.353003][  T253]  ? build_open_flags (fs/open.c:1319 (discriminator 3))
[   13.353006][  T253]  ? kmem_cache_free (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6626)
[   13.353011][  T253]  __x64_sys_openat (fs/open.c:1423 fs/open.c:1439 fs/open.c:1434 fs/open.c:1434)
[   13.353014][  T253]  ? generic_file_open (./include/linux/fs.h:1143 (discriminator 4))
[   13.353017][  T253]  ? __ia32_sys_open (fs/open.c:1427)
[   13.353020][  T253]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.353022][  T253]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.353026][  T253]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.353029][  T253]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   13.353032][  T253]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.353035][  T253] RIP: 0033:0x7fe1a056354e
[   13.353039][  T253] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.353041][  T253] RSP: 002b:00007ffef337b770 EFLAGS: 00000202 ORIG_RAX: 0000000000000101
[   13.353043][  T253] RAX: ffffffffffffffda RBX: 000055888ae06010 RCX: 00007fe1a056354e
[   13.353045][  T253] RDX: 0000000000000000 RSI: 000055888af10aa0 RDI: ffffffffffffff9c
[   13.353046][  T253] RBP: 00007ffef337b780 R08: 0000000000000000 R09: 0000000000000000
[   13.353047][  T253] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000008
[   13.353048][  T253] R13: 00007fe1a0a4c44d R14: 00007fe1a0a4c44d R15: 0000000000000001
| [   14.492827][  T175] softirqs last disabled at (461785): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   14.492830][  T175] Preemption disabled at:
| [   14.492831][  T175] vprintk_emit (kernel/printk/printk.c:2471)
| [   14.492841][  T175] Tainted: [W]=WARN
[   14.492842][  T175] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.492844][  T175] Call Trace:
[   14.492846][  T175]  <TASK>
[   14.492847][  T175]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   14.492853][  T175]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   14.492855][  T175]  __might_resched.cold (kernel/sched/core.c:9234)
[   14.492859][  T175]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   14.492864][  T175]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   14.492870][  T175]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   14.492872][  T175]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.492879][  T175]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   14.492881][  T175]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.492885][  T175]  put_chars (drivers/char/virtio_console.c:1176)
[   14.492888][  T175]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   14.492890][  T175]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   14.492894][  T175]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.492898][  T175]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.492902][  T175]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   14.492906][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.492908][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.492913][  T175]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   14.492916][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.492918][  T175]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.492922][  T175]  console_emit_next_record (kernel/printk/printk.c:3183)
[   14.492926][  T175]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   14.492931][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.492933][  T175]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.492937][  T175]  console_flush_one_record (kernel/printk/printk.c:3268)
[   14.492941][  T175]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   14.492943][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.492949][  T175]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   14.492952][  T175]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   14.492954][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.492956][  T175]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   14.492960][  T175]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   14.492962][  T175]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   14.492965][  T175]  vprintk_emit (kernel/printk/printk.c:2479)
[   14.492968][  T175]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   14.492971][  T175]  ? _copy_from_iter (./include/linux/instrumented.h:146 lib/iov_iter.c:66 ./include/linux/iov_iter.h:30 ./include/linux/iov_iter.h:302 ./include/linux/iov_iter.h:330 lib/iov_iter.c:261 lib/iov_iter.c:272)
[   14.492976][  T175]  devkmsg_emit.constprop.0 (kernel/printk/printk.c:733)
[   14.492979][  T175]  ? vprintk_emit.cold (kernel/printk/printk.c:2449)
[   14.492983][  T175]  ? __kmalloc_noprof (mm/slub.c:5415 mm/slub.c:5439)
[   14.492986][  T175]  ? idr_get_free (??:?)
[   14.492989][  T175]  ? devkmsg_write (./include/linux/slab.h:995 kernel/printk/printk.c:762)
[   14.492992][  T175]  ? _copy_from_iter (./include/linux/instrumented.h:146 lib/iov_iter.c:66 ./include/linux/iov_iter.h:30 ./include/linux/iov_iter.h:302 ./include/linux/iov_iter.h:330 lib/iov_iter.c:261 lib/iov_iter.c:272)
[   14.492995][  T175]  devkmsg_write.cold (kernel/printk/printk.c:796)
[   14.492999][  T175]  ? vprintk_default (kernel/printk/printk.c:2494)
[   14.493002][  T175]  ? cp_old_stat (fs/stat.c:406 (discriminator 3))
[   14.493006][  T175]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.493009][  T175]  ? vprintk_default (kernel/printk/printk.c:2494)
[   14.493011][  T175]  new_sync_write (fs/read_write.c:595)
[   14.493016][  T175]  ? new_sync_read (./include/linux/ioprio.h:41)
[   14.493020][  T175]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.493025][  T175]  ? __fget_files (./include/linux/rcupdate.h:882 fs/file.c:1100)
[   14.493029][  T175]  vfs_write (fs/read_write.c:687)
[   14.493033][  T175]  ksys_write (fs/read_write.c:739)
[   14.493035][  T175]  ? __ia32_sys_read (fs/read_write.c:723)
[   14.493038][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.493041][  T175]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   14.493044][  T175]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   14.493047][  T175]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.493049][  T175] RIP: 0033:0x7fe74e8ed312
[   14.493054][  T175] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[   14.493055][  T175] RSP: 002b:00007ffd817f4a18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   14.493059][  T175] RAX: ffffffffffffffda RBX: 00000000000002ee RCX: 00007fe74e8ed312
[   14.493060][  T175] RDX: 00000000000002ee RSI: 0000555a9d146f10 RDI: 000000000000000b
[   14.493061][  T175] RBP: 00007ffd817f4a40 R08: 0000000000000000 R09: 0000000000000000
[   14.493062][  T175] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe74e75a390
[   14.493063][  T175] R13: 0000555a9d146f10 R14: 000000000000000b R15: 00007fe74e6e90d0
| [   15.568384][  T175] softirqs last disabled at (492555): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   15.568387][  T175] Preemption disabled at:
| [   15.568387][  T175] vprintk_emit (kernel/printk/printk.c:2471)
| [   15.568397][  T175] Tainted: [W]=WARN
[   15.568398][  T175] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.568399][  T175] Call Trace:
[   15.568401][  T175]  <TASK>
[   15.568403][  T175]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   15.568409][  T175]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   15.568411][  T175]  __might_resched.cold (kernel/sched/core.c:9234)
[   15.568416][  T175]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   15.568420][  T175]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   15.568426][  T175]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   15.568428][  T175]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.568435][  T175]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   15.568438][  T175]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.568441][  T175]  put_chars (drivers/char/virtio_console.c:1176)
[   15.568445][  T175]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   15.568447][  T175]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   15.568450][  T175]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.568454][  T175]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.568459][  T175]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   15.568462][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.568464][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.568469][  T175]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   15.568472][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.568475][  T175]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.568479][  T175]  console_emit_next_record (kernel/printk/printk.c:3183)
[   15.568483][  T175]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   15.568487][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.568489][  T175]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.568493][  T175]  console_flush_one_record (kernel/printk/printk.c:3268)
[   15.568497][  T175]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   15.568499][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.568505][  T175]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   15.568508][  T175]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   15.568510][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.568512][  T175]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   15.568516][  T175]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   15.568518][  T175]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   15.568521][  T175]  vprintk_emit (kernel/printk/printk.c:2479)
[   15.568524][  T175]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   15.568527][  T175]  ? _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)
[   15.568532][  T175]  devkmsg_emit.constprop.0 (kernel/printk/printk.c:733)
[   15.568536][  T175]  ? vprintk_emit.cold (kernel/printk/printk.c:2449)
[   15.568540][  T175]  ? __kmalloc_noprof (mm/slub.c:5415 mm/slub.c:5439)
[   15.568542][  T175]  ? idr_get_free (??:?)
[   15.568546][  T175]  ? devkmsg_write (./include/linux/slab.h:995 kernel/printk/printk.c:762)
[   15.568549][  T175]  ? _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)
[   15.568551][  T175]  devkmsg_write.cold (kernel/printk/printk.c:796)
[   15.568554][  T175]  ? vprintk_default (kernel/printk/printk.c:2494)
[   15.568556][  T175]  ? cp_old_stat (fs/stat.c:406 (discriminator 3))
[   15.568560][  T175]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.568563][  T175]  ? vprintk_default (kernel/printk/printk.c:2494)
[   15.568565][  T175]  new_sync_write (fs/read_write.c:595)
[   15.568570][  T175]  ? new_sync_read (./include/linux/ioprio.h:41)
[   15.568574][  T175]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.568579][  T175]  ? __fget_files (./include/linux/rcupdate.h:882 fs/file.c:1100)
[   15.568583][  T175]  vfs_write (fs/read_write.c:687)
[   15.568587][  T175]  ksys_write (fs/read_write.c:739)
[   15.568589][  T175]  ? __ia32_sys_read (fs/read_write.c:723)
[   15.568592][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.568595][  T175]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   15.568598][  T175]  ? irq_exit_rcu (kernel/softirq.c:786)
[   15.568600][  T175]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.568603][  T175] RIP: 0033:0x7fe74e8ed312
[   15.568607][  T175] 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)
[   15.568609][  T175] RSP: 002b:00007ffd817f4a18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   15.568612][  T175] RAX: ffffffffffffffda RBX: 00000000000002ee RCX: 00007fe74e8ed312
[   15.568613][  T175] RDX: 00000000000002ee RSI: 0000555a9d146f10 RDI: 000000000000000b
[   15.568614][  T175] RBP: 00007ffd817f4a40 R08: 0000000000000000 R09: 0000000000000000
[   15.568615][  T175] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe74e75a390
[   15.568616][  T175] R13: 0000555a9d146f10 R14: 000000000000000b R15: 00007fe74e6e90d0
| [   16.574567][  T175] softirqs last disabled at (524940): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   16.574569][  T175] Preemption disabled at:
| [   16.574570][  T175] vprintk_emit (kernel/printk/printk.c:2471)
| [   16.574579][  T175] Tainted: [W]=WARN
[   16.574580][  T175] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.574582][  T175] Call Trace:
[   16.574584][  T175]  <TASK>
[   16.574586][  T175]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   16.574592][  T175]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   16.574594][  T175]  __might_resched.cold (kernel/sched/core.c:9234)
[   16.574599][  T175]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   16.574603][  T175]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   16.574608][  T175]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   16.574611][  T175]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.574617][  T175]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   16.574620][  T175]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.574624][  T175]  put_chars (drivers/char/virtio_console.c:1176)
[   16.574628][  T175]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   16.574630][  T175]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   16.574634][  T175]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.574637][  T175]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.574643][  T175]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   16.574646][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.574652][  T175]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   16.574655][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.574661][  T175]  console_emit_next_record (kernel/printk/printk.c:3183)
[   16.574665][  T175]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   16.574670][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.574672][  T175]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.574677][  T175]  console_flush_one_record (kernel/printk/printk.c:3268)
[   16.574681][  T175]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   16.574684][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.574690][  T175]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   16.574693][  T175]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   16.574695][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.574697][  T175]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   16.574701][  T175]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   16.574703][  T175]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   16.574706][  T175]  vprintk_emit (kernel/printk/printk.c:2479)
[   16.574710][  T175]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   16.574713][  T175]  ? rcu_gp_is_expedited (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 kernel/rcu/update.c:196)
[   16.574714][  T175]  ? synchronize_rcu (kernel/rcu/tree.c:3410)
[   16.574719][  T175]  _printk (kernel/printk/printk.c:2504)
[   16.574723][  T175]  ? snapshot_read.cold (user.c:?)
[   16.574725][  T175]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.574730][  T175]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   16.574732][  T175]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   16.574735][  T175]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   16.574739][  T175]  ? __free_object (./include/linux/irqflags.h:266 (discriminator 6) lib/debugobjects.c:536 (discriminator 6))
[   16.574743][  T175] enabled_store.cold (drivers/net/netconsole.c:1071 (discriminator 1)) netconsole
[   16.574747][  T175]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   16.574751][  T175]  ? netconsole_write_ext (drivers/net/netconsole.c:2504) netconsole
[   16.574753][  T175]  ? down_write_killable_nested (./arch/x86/include/asm/atomic64_64.h:20)
[   16.574755][  T175]  ? __kmalloc_cache_noprof (mm/slub.c:4986 (discriminator 1) mm/slub.c:5559 (discriminator 1))
[   16.574758][  T175]  ? configfs_write_iter (./include/linux/slab.h:991 (discriminator 1) fs/configfs/file.c:187 (discriminator 1) fs/configfs/file.c:227 (discriminator 1))
[   16.574763][  T175]  ? netconsole_write_ext (drivers/net/netconsole.c:2504) netconsole
[   16.574765][  T175]  configfs_write_iter (fs/configfs/file.c:207 fs/configfs/file.c:229)
[   16.574768][  T175]  ? configfs_bin_write_iter (fs/configfs/file.c:287 (discriminator 1))
[   16.574771][  T175]  new_sync_write (fs/read_write.c:595)
[   16.574774][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.574777][  T175]  ? new_sync_read (./include/linux/ioprio.h:41)
[   16.574781][  T175]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.574783][  T175]  ? ksys_write (fs/read_write.c:739)
[   16.574790][  T175]  vfs_write (fs/read_write.c:687)
[   16.574795][  T175]  ksys_write (fs/read_write.c:739)
[   16.574797][  T175]  ? __ia32_sys_read (fs/read_write.c:723)
[   16.574800][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.574804][  T175]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   16.574807][  T175]  ? irq_exit_rcu (kernel/softirq.c:786)
[   16.574811][  T175]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.574814][  T175] RIP: 0033:0x7fe74e8ed312
[   16.574820][  T175] 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)
[   16.574822][  T175] RSP: 002b:00007ffd817f4a18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   16.574825][  T175] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fe74e8ed312
[   16.574827][  T175] RDX: 0000000000000001 RSI: 0000555a9d146f10 RDI: 000000000000000b
[   16.574828][  T175] RBP: 00007ffd817f4a40 R08: 0000000000000000 R09: 0000000000000000
[   16.574829][  T175] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe74e75a390
[   16.574830][  T175] R13: 0000555a9d146f10 R14: 000000000000000b R15: 00007fe74e6e90d0
| [   17.582378][  T175] softirqs last disabled at (550563): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   17.582382][  T175] Preemption disabled at:
| [   17.582383][  T175] vprintk_emit (kernel/printk/printk.c:2471)
| [   17.582395][  T175] Tainted: [W]=WARN
[   17.582396][  T175] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.582399][  T175] Call Trace:
[   17.582401][  T175]  <TASK>
[   17.582403][  T175]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   17.582411][  T175]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   17.582413][  T175]  __might_resched.cold (kernel/sched/core.c:9234)
[   17.582420][  T175]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   17.582425][  T175]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   17.582433][  T175]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   17.582437][  T175]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.582447][  T175]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   17.582450][  T175]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.582455][  T175]  put_chars (drivers/char/virtio_console.c:1176)
[   17.582460][  T175]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   17.582463][  T175]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   17.582469][  T175]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.582473][  T175]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   17.582480][  T175]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   17.582485][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.582487][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.582495][  T175]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   17.582501][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.582504][  T175]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.582511][  T175]  console_emit_next_record (kernel/printk/printk.c:3183)
[   17.582517][  T175]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   17.582525][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.582528][  T175]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.582534][  T175]  console_flush_one_record (kernel/printk/printk.c:3268)
[   17.582541][  T175]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   17.582544][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.582553][  T175]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   17.582558][  T175]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   17.582561][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.582564][  T175]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   17.582570][  T175]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   17.582573][  T175]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   17.582578][  T175]  vprintk_emit (kernel/printk/printk.c:2479)
[   17.582583][  T175]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   17.582587][  T175]  ? _copy_from_iter (./include/linux/instrumented.h:146 lib/iov_iter.c:66 ./include/linux/iov_iter.h:30 ./include/linux/iov_iter.h:302 ./include/linux/iov_iter.h:330 lib/iov_iter.c:261 lib/iov_iter.c:272)
[   17.582596][  T175]  devkmsg_emit.constprop.0 (kernel/printk/printk.c:733)
[   17.582601][  T175]  ? vprintk_emit.cold (kernel/printk/printk.c:2449)
[   17.582607][  T175]  ? __kmalloc_noprof (mm/slub.c:5415 mm/slub.c:5439)
[   17.582611][  T175]  ? idr_get_free (??:?)
[   17.582615][  T175]  ? devkmsg_write (./include/linux/slab.h:995 kernel/printk/printk.c:762)
[   17.582620][  T175]  ? _copy_from_iter (./include/linux/instrumented.h:146 lib/iov_iter.c:66 ./include/linux/iov_iter.h:30 ./include/linux/iov_iter.h:302 ./include/linux/iov_iter.h:330 lib/iov_iter.c:261 lib/iov_iter.c:272)
[   17.582624][  T175]  devkmsg_write.cold (kernel/printk/printk.c:796)
[   17.582628][  T175]  ? vprintk_default (kernel/printk/printk.c:2494)
[   17.582632][  T175]  ? cp_old_stat (fs/stat.c:406 (discriminator 3))
[   17.582637][  T175]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   17.582641][  T175]  ? vprintk_default (kernel/printk/printk.c:2494)
[   17.582645][  T175]  new_sync_write (fs/read_write.c:595)
[   17.582652][  T175]  ? new_sync_read (./include/linux/ioprio.h:41)
[   17.582659][  T175]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   17.582667][  T175]  ? __fget_files (./include/linux/rcupdate.h:882 fs/file.c:1100)
[   17.582673][  T175]  vfs_write (fs/read_write.c:687)
[   17.582680][  T175]  ksys_write (fs/read_write.c:739)
[   17.582684][  T175]  ? __ia32_sys_read (fs/read_write.c:723)
[   17.582688][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.582694][  T175]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   17.582697][  T175]  ? irq_exit_rcu (kernel/softirq.c:786)
[   17.582702][  T175]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.582706][  T175] RIP: 0033:0x7fe74e8ed312
[   17.582711][  T175] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[   17.582714][  T175] RSP: 002b:00007ffd817f4a18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   17.582718][  T175] RAX: ffffffffffffffda RBX: 0000000000000316 RCX: 00007fe74e8ed312
[   17.582720][  T175] RDX: 0000000000000316 RSI: 0000555a9d146f10 RDI: 000000000000000b
[   17.582722][  T175] RBP: 00007ffd817f4a40 R08: 0000000000000000 R09: 0000000000000000
[   17.582724][  T175] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe74e75a390
[   17.582725][  T175] R13: 0000555a9d146f10 R14: 000000000000000b R15: 00007fe74e6e90d0
| [   18.712743][  T175] softirqs last disabled at (575217): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   18.712746][  T175] Preemption disabled at:
| [   18.712747][  T175] vprintk_emit (kernel/printk/printk.c:2471)
| [   18.712758][  T175] Tainted: [W]=WARN
[   18.712759][  T175] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.712761][  T175] Call Trace:
[   18.712763][  T175]  <TASK>
[   18.712765][  T175]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   18.712770][  T175]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   18.712772][  T175]  __might_resched.cold (kernel/sched/core.c:9234)
[   18.712777][  T175]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   18.712781][  T175]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   18.712787][  T175]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   18.712789][  T175]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.712796][  T175]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   18.712799][  T175]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.712803][  T175]  put_chars (drivers/char/virtio_console.c:1176)
[   18.712806][  T175]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   18.712808][  T175]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   18.712812][  T175]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.712815][  T175]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   18.712820][  T175]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   18.712823][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.712825][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.712829][  T175]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   18.712833][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.712835][  T175]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.712839][  T175]  console_emit_next_record (kernel/printk/printk.c:3183)
[   18.712843][  T175]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   18.712848][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.712850][  T175]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.712854][  T175]  console_flush_one_record (kernel/printk/printk.c:3268)
[   18.712858][  T175]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   18.712860][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.712865][  T175]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   18.712868][  T175]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   18.712870][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.712872][  T175]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   18.712876][  T175]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   18.712878][  T175]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   18.712881][  T175]  vprintk_emit (kernel/printk/printk.c:2479)
[   18.712884][  T175]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   18.712887][  T175]  ? _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)
[   18.712892][  T175]  devkmsg_emit.constprop.0 (kernel/printk/printk.c:733)
[   18.712896][  T175]  ? vprintk_emit.cold (kernel/printk/printk.c:2449)
[   18.712900][  T175]  ? __kmalloc_noprof (mm/slub.c:5415 mm/slub.c:5439)
[   18.712902][  T175]  ? idr_get_free (??:?)
[   18.712906][  T175]  ? devkmsg_write (./include/linux/slab.h:995 kernel/printk/printk.c:762)
[   18.712909][  T175]  ? _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)
[   18.712911][  T175]  devkmsg_write.cold (kernel/printk/printk.c:796)
[   18.712914][  T175]  ? vprintk_default (kernel/printk/printk.c:2494)
[   18.712916][  T175]  ? cp_old_stat (fs/stat.c:406 (discriminator 3))
[   18.712920][  T175]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.712923][  T175]  ? vprintk_default (kernel/printk/printk.c:2494)
[   18.712925][  T175]  new_sync_write (fs/read_write.c:595)
[   18.712930][  T175]  ? new_sync_read (./include/linux/ioprio.h:41)
[   18.712934][  T175]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.712939][  T175]  ? __fget_files (./include/linux/rcupdate.h:882 fs/file.c:1100)
[   18.712943][  T175]  vfs_write (fs/read_write.c:687)
[   18.712947][  T175]  ksys_write (fs/read_write.c:739)
[   18.712949][  T175]  ? __ia32_sys_read (fs/read_write.c:723)
[   18.712952][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.712955][  T175]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   18.712958][  T175]  ? irq_exit_rcu (kernel/softirq.c:786)
[   18.712960][  T175]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.712963][  T175] RIP: 0033:0x7fe74e8ed312
[   18.712967][  T175] 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)
[   18.712969][  T175] RSP: 002b:00007ffd817f4a18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   18.712971][  T175] RAX: ffffffffffffffda RBX: 0000000000000316 RCX: 00007fe74e8ed312
[   18.712973][  T175] RDX: 0000000000000316 RSI: 0000555a9d146f10 RDI: 000000000000000b
[   18.712974][  T175] RBP: 00007ffd817f4a40 R08: 0000000000000000 R09: 0000000000000000
[   18.712975][  T175] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe74e75a390
[   18.712976][  T175] R13: 0000555a9d146f10 R14: 000000000000000b R15: 00007fe74e6e90d0
| [   20.162686][  T175] softirqs last disabled at (634027): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   20.162689][  T175] Preemption disabled at:
| [   20.162689][  T175] vprintk_emit (kernel/printk/printk.c:2471)
| [   20.162698][  T175] Tainted: [W]=WARN
[   20.162699][  T175] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.162701][  T175] Call Trace:
[   20.162702][  T175]  <TASK>
[   20.162704][  T175]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   20.162710][  T175]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   20.162712][  T175]  __might_resched.cold (kernel/sched/core.c:9234)
[   20.162716][  T175]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   20.162720][  T175]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   20.162726][  T175]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   20.162728][  T175]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.162735][  T175]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   20.162737][  T175]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.162741][  T175]  put_chars (drivers/char/virtio_console.c:1176)
[   20.162744][  T175]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   20.162746][  T175]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   20.162750][  T175]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.162754][  T175]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   20.162758][  T175]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   20.162762][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.162764][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.162768][  T175]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   20.162772][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.162774][  T175]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.162778][  T175]  console_emit_next_record (kernel/printk/printk.c:3183)
[   20.162782][  T175]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   20.162786][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.162788][  T175]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.162792][  T175]  console_flush_one_record (kernel/printk/printk.c:3268)
[   20.162796][  T175]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   20.162798][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.162803][  T175]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   20.162806][  T175]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   20.162808][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.162810][  T175]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   20.162814][  T175]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   20.162816][  T175]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   20.162821][  T175]  vprintk_emit (kernel/printk/printk.c:2479)
[   20.162824][  T175]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   20.162826][  T175]  ? _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)
[   20.162832][  T175]  devkmsg_emit.constprop.0 (kernel/printk/printk.c:733)
[   20.162836][  T175]  ? vprintk_emit.cold (kernel/printk/printk.c:2449)
[   20.162840][  T175]  ? __kmalloc_noprof (mm/slub.c:5415 mm/slub.c:5439)
[   20.162842][  T175]  ? idr_get_free (??:?)
[   20.162846][  T175]  ? devkmsg_write (./include/linux/slab.h:995 kernel/printk/printk.c:762)
[   20.162848][  T175]  ? _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)
[   20.162851][  T175]  devkmsg_write.cold (kernel/printk/printk.c:796)
[   20.162853][  T175]  ? vprintk_default (kernel/printk/printk.c:2494)
[   20.162856][  T175]  ? __hrtimer_start_range_ns (kernel/time/hrtimer.c:1429)
[   20.162859][  T175]  ? vprintk_default (kernel/printk/printk.c:2494)
[   20.162861][  T175]  new_sync_write (fs/read_write.c:595)
[   20.162867][  T175]  ? new_sync_read (./include/linux/ioprio.h:41)
[   20.162871][  T175]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   20.162875][  T175]  ? __fget_files (./include/linux/rcupdate.h:882 fs/file.c:1100)
[   20.162879][  T175]  vfs_write (fs/read_write.c:687)
[   20.162883][  T175]  ksys_write (fs/read_write.c:739)
[   20.162885][  T175]  ? __ia32_sys_read (fs/read_write.c:723)
[   20.162887][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.162889][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.162892][  T175]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   20.162895][  T175]  ? irq_exit_rcu (kernel/softirq.c:786)
[   20.162897][  T175]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.162900][  T175] RIP: 0033:0x7fe74e8ed312
[   20.162904][  T175] 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)
[   20.162906][  T175] RSP: 002b:00007ffd817f4a18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   20.162909][  T175] RAX: ffffffffffffffda RBX: 0000000000000316 RCX: 00007fe74e8ed312
[   20.162911][  T175] RDX: 0000000000000316 RSI: 0000555a9d146f10 RDI: 000000000000000b
[   20.162912][  T175] RBP: 00007ffd817f4a40 R08: 0000000000000000 R09: 0000000000000000
[   20.162912][  T175] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe74e75a390
[   20.162913][  T175] R13: 0000555a9d146f10 R14: 000000000000000b R15: 00007fe74e6e90d0
| [   21.164374][  T175] softirqs last disabled at (664205): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   21.164377][  T175] Preemption disabled at:
| [   21.164378][  T175] vprintk_emit (kernel/printk/printk.c:2471)
| [   21.164391][  T175] Tainted: [W]=WARN
[   21.164392][  T175] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.164395][  T175] Call Trace:
[   21.164397][  T175]  <TASK>
[   21.164400][  T175]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   21.164408][  T175]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   21.164410][  T175]  __might_resched.cold (kernel/sched/core.c:9234)
[   21.164417][  T175]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   21.164423][  T175]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   21.164431][  T175]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   21.164435][  T175]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.164445][  T175]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   21.164448][  T175]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.164455][  T175]  put_chars (drivers/char/virtio_console.c:1176)
[   21.164459][  T175]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   21.164462][  T175]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   21.164468][  T175]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.164473][  T175]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   21.164481][  T175]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   21.164486][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.164488][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.164496][  T175]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   21.164502][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.164506][  T175]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.164513][  T175]  console_emit_next_record (kernel/printk/printk.c:3183)
[   21.164519][  T175]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   21.164527][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.164530][  T175]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.164537][  T175]  console_flush_one_record (kernel/printk/printk.c:3268)
[   21.164544][  T175]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   21.164547][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.164556][  T175]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   21.164561][  T175]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   21.164564][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.164567][  T175]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   21.164574][  T175]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   21.164576][  T175]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   21.164581][  T175]  vprintk_emit (kernel/printk/printk.c:2479)
[   21.164587][  T175]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   21.164591][  T175]  ? _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)
[   21.164600][  T175]  devkmsg_emit.constprop.0 (kernel/printk/printk.c:733)
[   21.164605][  T175]  ? vprintk_emit.cold (kernel/printk/printk.c:2449)
[   21.164611][  T175]  ? __kmalloc_noprof (mm/slub.c:5415 mm/slub.c:5439)
[   21.164613][  T175]  ? idr_get_free (??:?)
[   21.164619][  T175]  ? devkmsg_write (./include/linux/slab.h:995 kernel/printk/printk.c:762)
[   21.164623][  T175]  ? _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)
[   21.164627][  T175]  devkmsg_write.cold (kernel/printk/printk.c:796)
[   21.164632][  T175]  ? vprintk_default (kernel/printk/printk.c:2494)
[   21.164635][  T175]  ? cp_old_stat (fs/stat.c:406 (discriminator 3))
[   21.164640][  T175]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   21.164645][  T175]  ? vprintk_default (kernel/printk/printk.c:2494)
[   21.164649][  T175]  new_sync_write (fs/read_write.c:595)
[   21.164657][  T175]  ? new_sync_read (./include/linux/ioprio.h:41)
[   21.164664][  T175]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   21.164672][  T175]  ? __fget_files (./include/linux/rcupdate.h:882 fs/file.c:1100)
[   21.164678][  T175]  vfs_write (fs/read_write.c:687)
[   21.164685][  T175]  ksys_write (fs/read_write.c:739)
[   21.164689][  T175]  ? __ia32_sys_read (fs/read_write.c:723)
[   21.164693][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.164699][  T175]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   21.164703][  T175]  ? irq_exit_rcu (kernel/softirq.c:786)
[   21.164707][  T175]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.164711][  T175] RIP: 0033:0x7fe74e8ed312
[   21.164716][  T175] 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)
[   21.164719][  T175] RSP: 002b:00007ffd817f4a18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   21.164723][  T175] RAX: ffffffffffffffda RBX: 0000000000000316 RCX: 00007fe74e8ed312
[   21.164725][  T175] RDX: 0000000000000316 RSI: 0000555a9d146f10 RDI: 000000000000000b
[   21.164727][  T175] RBP: 00007ffd817f4a40 R08: 0000000000000000 R09: 0000000000000000
[   21.164728][  T175] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe74e75a390
[   21.164729][  T175] R13: 0000555a9d146f10 R14: 000000000000000b R15: 00007fe74e6e90d0
| [   25.587326][  T222] softirqs last disabled at (322884): release_sock (./include/linux/spinlock.h:353 net/core/sock.c:3858)
| [   25.587330][  T222] Preemption disabled at:
| [   25.587331][  T222] 0x0
| [   25.587342][  T222] Tainted: [W]=WARN
[   25.587343][  T222] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.587345][  T222] Call Trace:
[   25.587347][  T222]  <TASK>
[   25.587348][  T222]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   25.587355][  T222]  __might_resched.cold (kernel/sched/core.c:9234)
[   25.587366][  T222]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   25.587370][  T222]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   25.587376][  T222]  __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))
[   25.587379][  T222]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.587385][  T222]  ? 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)
[   25.587387][  T222]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.587391][  T222]  put_chars (drivers/char/virtio_console.c:1176)
[   25.587394][  T222]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   25.587397][  T222]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   25.587401][  T222]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   25.587404][  T222]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   25.587408][  T222]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   25.587411][  T222]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   25.587413][  T222]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.587415][  T222]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.587419][  T222]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   25.587421][  T222]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.587425][  T222]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.587429][  T222]  console_emit_next_record (kernel/printk/printk.c:3183)
[   25.587433][  T222]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   25.587438][  T222]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.587440][  T222]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.587444][  T222]  console_flush_one_record (kernel/printk/printk.c:3268)
[   25.587448][  T222]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   25.587450][  T222]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.587456][  T222]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   25.587459][  T222]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   25.587461][  T222]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.587462][  T222]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   25.587466][  T222]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   25.587468][  T222]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   25.587471][  T222]  vprintk_emit (kernel/printk/printk.c:2479)
[   25.587474][  T222]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   25.587477][  T222]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.587481][  T222]  _printk (kernel/printk/printk.c:2504)
[   25.587485][  T222]  ? snapshot_read.cold (user.c:?)
[   25.587487][  T222]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   25.587490][  T222]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   25.587494][  T222]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   25.587497][  T222]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   25.587501][  T222]  ? exit_notify (kernel/exit.c:780)
[   25.587502][  T222]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.587505][  T222]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.587507][  T222]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   25.587511][  T222]  do_group_exit (kernel/exit.c:1151)
[   25.587512][  T222]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   25.587514][  T222]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   25.587517][  T222]  ? _raw_spin_unlock_irq (./include/linux/spinlock_api_smp.h:219 kernel/locking/spinlock.c:229)
[   25.587520][  T222]  ? _raw_spin_unlock_irq (./include/linux/spinlock_api_smp.h:220 (discriminator 1) kernel/locking/spinlock.c:229 (discriminator 1))
[   25.587521][  T222]  get_signal (kernel/signal.c:3039)
[   25.587525][  T222]  ? ____sys_recvmsg (net/socket.c:1151 (discriminator 3))
[   25.587530][  T222]  ? new_sync_read (./include/linux/ioprio.h:41)
[   25.587534][  T222]  ? ptrace_signal (./include/linux/signal.h:87)
[   25.587537][  T222]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.587541][  T222]  arch_do_signal_or_restart (arch/x86/kernel/signal.c:337)
[   25.587545][  T222]  ? __fget_files (./include/linux/rcupdate.h:882 fs/file.c:1100)
[   25.587549][  T222]  ? get_sigframe_size (arch/x86/kernel/signal.c:233)
[   25.587554][  T222]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.587556][  T222]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   25.587560][  T222]  exit_to_user_mode_loop (kernel/entry/common.c:66 kernel/entry/common.c:101)
[   25.587563][  T222]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.587566][  T222]  do_syscall_64 (./include/linux/irq-entry-common.h:207 ./include/linux/irq-entry-common.h:230 ./include/linux/entry-common.h:336 arch/x86/entry/syscall_64.c:89)
[   25.587568][  T222]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   25.587571][  T222]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.587573][  T222] RIP: 0033:0x7f94d4e97312
[   25.587576][  T222] Code: Unable to access opcode bytes at 0x7f94d4e972e8.

Code starting with the faulting instruction
===========================================
[   25.587577][  T222] RSP: 002b:00007f94d3c6cc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   25.587580][  T222] RAX: 000000000000a78c RBX: 0000000000020000 RCX: 00007f94d4e97312
[   25.587581][  T222] RDX: 0000000000020000 RSI: 00007f94d462f000 RDI: 0000000000000007
[   25.587582][  T222] RBP: 00007f94d3c6cca0 R08: 0000000000000000 R09: 0000000000000000
[   25.587583][  T222] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f94d462f000


Finger prints:
__alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
fpu_clone:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
release_sock:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
__irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars