======================================
| [   10.177042][  T175] softirqs last disabled at (33831): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   10.177045][  T175] Preemption disabled at:
| [   10.177045][  T175] vprintk_emit (kernel/printk/printk.c:2471)
| [   10.177054][  T175] Tainted: [W]=WARN
[   10.177055][  T175] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.177057][  T175] Call Trace:
[   10.177058][  T175]  <TASK>
[   10.177060][  T175]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.177066][  T175]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   10.177067][  T175]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.177072][  T175]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.177076][  T175]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.177082][  T175]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   10.177085][  T175]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.177092][  T175]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.177095][  T175]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.177098][  T175]  put_chars (drivers/char/virtio_console.c:1176)
[   10.177102][  T175]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.177107][  T175]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.177113][  T175]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.177120][  T175]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.177122][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.177126][  T175]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.177130][  T175]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.177134][  T175]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.177138][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.177140][  T175]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.177144][  T175]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.177148][  T175]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.177150][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.177156][  T175]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.177159][  T175]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.177161][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.177162][  T175]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.177166][  T175]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.177168][  T175]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.177171][  T175]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.177174][  T175]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.177175][  T175]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.177179][  T175]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.177180][  T175]  ? fast_dput (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) fs/dcache.c:948 (discriminator 2))
[   10.177185][  T175]  ? cleanup_netconsole (./include/linux/list.h:99 (discriminator 2) ./include/linux/list.h:169 (discriminator 2) ./include/linux/list.h:206 (discriminator 2) ./include/linux/configfs.h:112 (discriminator 2) drivers/net/netconsole.c:1718 (discriminator 2)) netconsole
[   10.177188][  T175]  _printk (kernel/printk/printk.c:2504)
[   10.177192][  T175]  ? snapshot_read.cold (user.c:?)
[   10.177195][  T175]  ? __up_write (kernel/locking/rwsem.c:1422 (discriminator 1))
[   10.177197][  T175]  ? cleanup_netconsole (./include/linux/list.h:99 (discriminator 2) ./include/linux/list.h:169 (discriminator 2) ./include/linux/list.h:206 (discriminator 2) ./include/linux/configfs.h:112 (discriminator 2) drivers/net/netconsole.c:1718 (discriminator 2)) netconsole
[   10.177201][  T175]  ? configfs_register_subsystem (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:1383 fs/configfs/dir.c:173 fs/configfs/dir.c:171 fs/configfs/dir.c:1929)
[   10.177206][  T175] init_netconsole (drivers/net/netconsole.c:1286) netconsole
[   10.177209][  T175]  ? cleanup_netconsole (./include/linux/list.h:99 (discriminator 2) ./include/linux/list.h:169 (discriminator 2) ./include/linux/list.h:206 (discriminator 2) ./include/linux/configfs.h:112 (discriminator 2) drivers/net/netconsole.c:1718 (discriminator 2)) netconsole
[   10.177216][  T175]  ? cleanup_netconsole (./include/linux/list.h:99 (discriminator 2) ./include/linux/list.h:169 (discriminator 2) ./include/linux/list.h:206 (discriminator 2) ./include/linux/configfs.h:112 (discriminator 2) drivers/net/netconsole.c:1718 (discriminator 2)) netconsole
[   10.177218][  T175]  do_one_initcall (init/main.c:1357)
[   10.177221][  T175]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   10.177226][  T175]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   10.177228][  T175]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   10.177233][  T175]  do_init_module (kernel/module/main.c:3117)
[   10.177236][  T175]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   10.177240][  T175]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   10.177243][  T175]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   10.177247][  T175]  load_module (kernel/module/main.c:3593)
[   10.177254][  T175]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   10.177257][  T175]  ? __ia32_sys_fsconfig (??:?)
[   10.177260][  T175]  ? add_chain_cache (kernel/locking/lockdep.c:3782)
[   10.177266][  T175]  init_module_from_file (kernel/module/main.c:3790)
[   10.177268][  T175]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   10.177276][  T175]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.177279][  T175]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.177283][  T175]  idempotent_init_module (kernel/module/main.c:3802)
[   10.177285][  T175]  ? init_module_from_file (kernel/module/main.c:3791)
[   10.177291][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.177293][  T175]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   10.177299][  T175]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   10.177300][  T175]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.177304][  T175]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.177307][  T175]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.177310][  T175]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.177312][  T175] RIP: 0033:0x7f2b6a51837d
[   10.177316][  T175] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48
All code
========
   0:	ff c3                	inc    %ebx
   2:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   9:	00 00 00 
   c:	90                   	nop
   d:	f3 0f 1e fa          	endbr64
  11:	48 89 f8             	mov    %rdi,%rax
  14:	48 89 f7             	mov    %rsi,%rdi
  17:	48 89 d6             	mov    %rdx,%rsi
  1a:	48 89 ca             	mov    %rcx,%rdx
  1d:	4d 89 c2             	mov    %r8,%r10
  20:	4d 89 c8             	mov    %r9,%r8
  23:	4c 8b 4c 24 08       	mov    0x8(%rsp),%r9
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa85
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa5b
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.177318][  T175] RSP: 002b:00007ffd3cef9878 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   10.177320][  T175] RAX: ffffffffffffffda RBX: 000055773048a700 RCX: 00007f2b6a51837d
[   10.177322][  T175] RDX: 0000000000000000 RSI: 0000557703c50ffd RDI: 0000000000000005
[   10.177323][  T175] RBP: 00007ffd3cef9910 R08: 0000000000000000 R09: 0000000000000000
[   10.177324][  T175] R10: 0000000000000000 R11: 0000000000000246 R12: 0000557703c50ffd
[   10.177324][  T175] R13: 000055773048a810 R14: 0000000000040000 R15: 0000000000000000
| [   11.786335][  T174] softirqs last disabled at (407147): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   11.786338][  T174] Preemption disabled at:
| [   11.786338][  T174] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.786347][  T174] Tainted: [W]=WARN
[   11.786348][  T174] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.786350][  T174] Call Trace:
[   11.786352][  T174]  <TASK>
[   11.786354][  T174]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.786360][  T174]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.786362][  T174]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.786367][  T174]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.786372][  T174]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.786377][  T174]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   11.786380][  T174]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.786386][  T174]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.786389][  T174]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.786393][  T174]  put_chars (drivers/char/virtio_console.c:1176)
[   11.786397][  T174]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.786399][  T174]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   11.786403][  T174]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   11.786408][  T174]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.786412][  T174]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.786414][  T174]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.786419][  T174]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.786423][  T174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.786426][  T174]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.786431][  T174]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.786436][  T174]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.786441][  T174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.786443][  T174]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.786447][  T174]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.786452][  T174]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.786454][  T174]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.786461][  T174]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.786464][  T174]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.786466][  T174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.786468][  T174]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.786472][  T174]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.786474][  T174]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.786478][  T174]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.786481][  T174]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.786482][  T174]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   11.786485][  T174]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:167)
[   11.786488][  T174]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:167)
[   11.786490][  T174]  ? lockdep_hardirqs_off (kernel/locking/lockdep.c:4527)
[   11.786492][  T174]  ? irqentry_enter (./include/linux/irq-entry-common.h:439 kernel/entry/common.c:120)
[   11.786496][  T174]  _printk (kernel/printk/printk.c:2504)
[   11.786500][  T174]  ? snapshot_read.cold (user.c:?)
[   11.786504][  T174]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[   11.786508][  T174]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 12) kernel/locking/spinlock.c:221 (discriminator 12))
[   11.786513][  T174]  register_console (kernel/printk/printk.c:4212 (discriminator 7))
[   11.786516][  T174]  ? get_init_console_seq.constprop.0.isra.0 (kernel/printk/printk.c:4018)
[   11.786518][  T174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.786523][  T174] enabled_store (drivers/net/netconsole.c:1039) netconsole
[   11.786526][  T174]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.786530][  T174]  ? netconsole_write_ext (drivers/net/netconsole.c:2504) netconsole
[   11.786533][  T174]  ? down_write_killable_nested (./arch/x86/include/asm/atomic64_64.h:20)
[   11.786535][  T174]  ? __kmalloc_cache_noprof (mm/slub.c:4986 (discriminator 1) mm/slub.c:5559 (discriminator 1))
[   11.786538][  T174]  ? configfs_write_iter (./include/linux/slab.h:991 (discriminator 1) fs/configfs/file.c:187 (discriminator 1) fs/configfs/file.c:227 (discriminator 1))
[   11.786542][  T174]  ? netconsole_write_ext (drivers/net/netconsole.c:2504) netconsole
[   11.786544][  T174]  configfs_write_iter (fs/configfs/file.c:207 fs/configfs/file.c:229)
[   11.786547][  T174]  ? configfs_bin_write_iter (fs/configfs/file.c:287 (discriminator 1))
[   11.786550][  T174]  new_sync_write (fs/read_write.c:595)
[   11.786553][  T174]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.786557][  T174]  ? new_sync_read (./include/linux/ioprio.h:41)
[   11.786561][  T174]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.786563][  T174]  ? ksys_write (fs/read_write.c:739)
[   11.786570][  T174]  vfs_write (fs/read_write.c:687)
[   11.786574][  T174]  ksys_write (fs/read_write.c:739)
[   11.786577][  T174]  ? __ia32_sys_read (fs/read_write.c:723)
[   11.786580][  T174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.786583][  T174]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.786586][  T174]  ? irq_exit_rcu (kernel/softirq.c:786)
[   11.786589][  T174]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.786592][  T174] RIP: 0033:0x7f2d03621312
[   11.786595][  T174] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[   11.786597][  T174] RSP: 002b:00007fff37124758 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   11.786601][  T174] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f2d03621312
[   11.786602][  T174] RDX: 0000000000000001 RSI: 0000559053d95f10 RDI: 0000000000000010
[   11.786603][  T174] RBP: 00007fff37124780 R08: 0000000000000000 R09: 0000000000000000
[   11.786604][  T174] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2d0348e390
[   11.786605][  T174] R13: 0000559053d95f10 R14: 0000000000000010 R15: 00007f2d0341d0d0
| [   12.812057][  T174] softirqs last disabled at (443623): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   12.812060][  T174] Preemption disabled at:
| [   12.812061][  T174] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.812070][  T174] Tainted: [W]=WARN
[   12.812071][  T174] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.812073][  T174] Call Trace:
[   12.812074][  T174]  <TASK>
[   12.812076][  T174]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.812082][  T174]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.812084][  T174]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.812090][  T174]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.812094][  T174]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.812100][  T174]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   12.812105][  T174]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.812112][  T174]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.812115][  T174]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.812118][  T174]  put_chars (drivers/char/virtio_console.c:1176)
[   12.812122][  T174]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.812124][  T174]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   12.812127][  T174]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.812131][  T174]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.812135][  T174]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.812139][  T174]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.812141][  T174]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.812145][  T174]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.812149][  T174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.812151][  T174]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.812155][  T174]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.812159][  T174]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.812163][  T174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.812165][  T174]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.812169][  T174]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.812174][  T174]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.812176][  T174]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.812181][  T174]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.812184][  T174]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.812186][  T174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.812188][  T174]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.812192][  T174]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.812193][  T174]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.812196][  T174]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.812199][  T174]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.812202][  T174]  ? _copy_from_iter (./include/linux/instrumented.h:146 lib/iov_iter.c:66 ./include/linux/iov_iter.h:30 ./include/linux/iov_iter.h:302 ./include/linux/iov_iter.h:330 lib/iov_iter.c:261 lib/iov_iter.c:272)
[   12.812208][  T174]  devkmsg_emit.constprop.0 (kernel/printk/printk.c:733)
[   12.812211][  T174]  ? vprintk_emit.cold (kernel/printk/printk.c:2449)
[   12.812215][  T174]  ? __kmalloc_noprof (mm/slub.c:5415 mm/slub.c:5439)
[   12.812218][  T174]  ? idr_get_free (??:?)
[   12.812222][  T174]  ? devkmsg_write (./include/linux/slab.h:995 kernel/printk/printk.c:762)
[   12.812225][  T174]  ? _copy_from_iter (./include/linux/instrumented.h:146 lib/iov_iter.c:66 ./include/linux/iov_iter.h:30 ./include/linux/iov_iter.h:302 ./include/linux/iov_iter.h:330 lib/iov_iter.c:261 lib/iov_iter.c:272)
[   12.812227][  T174]  devkmsg_write.cold (kernel/printk/printk.c:796)
[   12.812230][  T174]  ? vprintk_default (kernel/printk/printk.c:2494)
[   12.812232][  T174]  ? cp_old_stat (fs/stat.c:406 (discriminator 3))
[   12.812235][  T174]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.812238][  T174]  ? vprintk_default (kernel/printk/printk.c:2494)
[   12.812240][  T174]  new_sync_write (fs/read_write.c:595)
[   12.812245][  T174]  ? new_sync_read (./include/linux/ioprio.h:41)
[   12.812249][  T174]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.812254][  T174]  ? __fget_files (./include/linux/rcupdate.h:882 fs/file.c:1100)
[   12.812258][  T174]  vfs_write (fs/read_write.c:687)
[   12.812262][  T174]  ksys_write (fs/read_write.c:739)
[   12.812265][  T174]  ? __ia32_sys_read (fs/read_write.c:723)
[   12.812267][  T174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.812270][  T174]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.812273][  T174]  ? irq_exit_rcu (kernel/softirq.c:786)
[   12.812276][  T174]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.812278][  T174] RIP: 0033:0x7f2d03621312
[   12.812282][  T174] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[   12.812284][  T174] RSP: 002b:00007fff37124758 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   12.812287][  T174] RAX: ffffffffffffffda RBX: 00000000000002ee RCX: 00007f2d03621312
[   12.812289][  T174] RDX: 00000000000002ee RSI: 0000559053d95f10 RDI: 000000000000000b
[   12.812290][  T174] RBP: 00007fff37124780 R08: 0000000000000000 R09: 0000000000000000
[   12.812291][  T174] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2d0348e390
[   12.812292][  T174] R13: 0000559053d95f10 R14: 000000000000000b R15: 00007f2d0341d0d0
| [   14.182705][  T174] softirqs last disabled at (467227): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   14.182708][  T174] Preemption disabled at:
| [   14.182709][  T174] vprintk_emit (kernel/printk/printk.c:2471)
| [   14.182717][  T174] Tainted: [W]=WARN
[   14.182718][  T174] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.182720][  T174] Call Trace:
[   14.182722][  T174]  <TASK>
[   14.182724][  T174]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   14.182730][  T174]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   14.182732][  T174]  __might_resched.cold (kernel/sched/core.c:9234)
[   14.182737][  T174]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   14.182741][  T174]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   14.182746][  T174]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   14.182749][  T174]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.182755][  T174]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   14.182758][  T174]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.182762][  T174]  put_chars (drivers/char/virtio_console.c:1176)
[   14.182765][  T174]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   14.182767][  T174]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   14.182770][  T174]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.182774][  T174]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.182778][  T174]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   14.182782][  T174]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.182784][  T174]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.182788][  T174]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   14.182792][  T174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.182794][  T174]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.182798][  T174]  console_emit_next_record (kernel/printk/printk.c:3183)
[   14.182802][  T174]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   14.182806][  T174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.182808][  T174]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.182812][  T174]  console_flush_one_record (kernel/printk/printk.c:3268)
[   14.182816][  T174]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   14.182818][  T174]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.182823][  T174]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   14.182827][  T174]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   14.182829][  T174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.182830][  T174]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   14.182834][  T174]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   14.182836][  T174]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   14.182839][  T174]  vprintk_emit (kernel/printk/printk.c:2479)
[   14.182842][  T174]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   14.182844][  T174]  ? _copy_from_iter (./include/linux/instrumented.h:146 lib/iov_iter.c:66 ./include/linux/iov_iter.h:30 ./include/linux/iov_iter.h:302 ./include/linux/iov_iter.h:330 lib/iov_iter.c:261 lib/iov_iter.c:272)
[   14.182850][  T174]  devkmsg_emit.constprop.0 (kernel/printk/printk.c:733)
[   14.182854][  T174]  ? vprintk_emit.cold (kernel/printk/printk.c:2449)
[   14.182858][  T174]  ? __kmalloc_noprof (mm/slub.c:5415 mm/slub.c:5439)
[   14.182860][  T174]  ? idr_get_free (??:?)
[   14.182864][  T174]  ? devkmsg_write (./include/linux/slab.h:995 kernel/printk/printk.c:762)
[   14.182867][  T174]  ? _copy_from_iter (./include/linux/instrumented.h:146 lib/iov_iter.c:66 ./include/linux/iov_iter.h:30 ./include/linux/iov_iter.h:302 ./include/linux/iov_iter.h:330 lib/iov_iter.c:261 lib/iov_iter.c:272)
[   14.182869][  T174]  devkmsg_write.cold (kernel/printk/printk.c:796)
[   14.182872][  T174]  ? vprintk_default (kernel/printk/printk.c:2494)
[   14.182874][  T174]  ? cp_old_stat (fs/stat.c:406 (discriminator 3))
[   14.182878][  T174]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.182880][  T174]  ? vprintk_default (kernel/printk/printk.c:2494)
[   14.182883][  T174]  new_sync_write (fs/read_write.c:595)
[   14.182888][  T174]  ? new_sync_read (./include/linux/ioprio.h:41)
[   14.182892][  T174]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.182897][  T174]  ? __fget_files (./include/linux/rcupdate.h:882 fs/file.c:1100)
[   14.182900][  T174]  vfs_write (fs/read_write.c:687)
[   14.182904][  T174]  ksys_write (fs/read_write.c:739)
[   14.182907][  T174]  ? __ia32_sys_read (fs/read_write.c:723)
[   14.182910][  T174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.182913][  T174]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   14.182915][  T174]  ? irq_exit_rcu (kernel/softirq.c:786)
[   14.182918][  T174]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.182921][  T174] RIP: 0033:0x7f2d03621312
[   14.182925][  T174] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[   14.182927][  T174] RSP: 002b:00007fff37124758 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   14.182930][  T174] RAX: ffffffffffffffda RBX: 00000000000002ee RCX: 00007f2d03621312
[   14.182931][  T174] RDX: 00000000000002ee RSI: 0000559053d95f10 RDI: 000000000000000b
[   14.182932][  T174] RBP: 00007fff37124780 R08: 0000000000000000 R09: 0000000000000000
[   14.182933][  T174] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2d0348e390
[   14.182934][  T174] R13: 0000559053d95f10 R14: 000000000000000b R15: 00007f2d0341d0d0
| [   15.540638][  T174] softirqs last disabled at (502173): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   15.540642][  T174] Preemption disabled at:
| [   15.540643][  T174] vprintk_emit (kernel/printk/printk.c:2471)
| [   15.540655][  T174] Tainted: [W]=WARN
[   15.540657][  T174] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.540660][  T174] Call Trace:
[   15.540662][  T174]  <TASK>
[   15.540665][  T174]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   15.540673][  T174]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   15.540675][  T174]  __might_resched.cold (kernel/sched/core.c:9234)
[   15.540682][  T174]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   15.540688][  T174]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   15.540696][  T174]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   15.540700][  T174]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.540710][  T174]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   15.540714][  T174]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.540720][  T174]  put_chars (drivers/char/virtio_console.c:1176)
[   15.540725][  T174]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   15.540728][  T174]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   15.540734][  T174]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.540739][  T174]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.540747][  T174]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   15.540752][  T174]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.540754][  T174]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.540762][  T174]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   15.540768][  T174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.540772][  T174]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.540779][  T174]  console_emit_next_record (kernel/printk/printk.c:3183)
[   15.540786][  T174]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   15.540793][  T174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.540797][  T174]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.540804][  T174]  console_flush_one_record (kernel/printk/printk.c:3268)
[   15.540811][  T174]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   15.540814][  T174]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.540823][  T174]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   15.540828][  T174]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   15.540831][  T174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.540834][  T174]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   15.540840][  T174]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   15.540843][  T174]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   15.540848][  T174]  vprintk_emit (kernel/printk/printk.c:2479)
[   15.540854][  T174]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   15.540858][  T174]  ? _copy_from_iter (./include/linux/instrumented.h:146 lib/iov_iter.c:66 ./include/linux/iov_iter.h:30 ./include/linux/iov_iter.h:302 ./include/linux/iov_iter.h:330 lib/iov_iter.c:261 lib/iov_iter.c:272)
[   15.540867][  T174]  devkmsg_emit.constprop.0 (kernel/printk/printk.c:733)
[   15.540872][  T174]  ? vprintk_emit.cold (kernel/printk/printk.c:2449)
[   15.540879][  T174]  ? __kmalloc_noprof (mm/slub.c:5415 mm/slub.c:5439)
[   15.540883][  T174]  ? idr_get_free (??:?)
[   15.540888][  T174]  ? devkmsg_write (./include/linux/slab.h:995 kernel/printk/printk.c:762)
[   15.540893][  T174]  ? _copy_from_iter (./include/linux/instrumented.h:146 lib/iov_iter.c:66 ./include/linux/iov_iter.h:30 ./include/linux/iov_iter.h:302 ./include/linux/iov_iter.h:330 lib/iov_iter.c:261 lib/iov_iter.c:272)
[   15.540897][  T174]  devkmsg_write.cold (kernel/printk/printk.c:796)
[   15.540900][  T174]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.540905][  T174]  ? vprintk_default (kernel/printk/printk.c:2494)
[   15.540908][  T174]  ? rcu_do_batch (kernel/rcu/tree_nocb.h:1701 (discriminator 6) kernel/rcu/tree.c:2716 (discriminator 6))
[   15.540914][  T174]  ? cond_synchronize_rcu_full (kernel/rcu/tree.c:3626 (discriminator 1))
[   15.540918][  T174]  ? vprintk_default (kernel/printk/printk.c:2494)
[   15.540922][  T174]  new_sync_write (fs/read_write.c:595)
[   15.540930][  T174]  ? new_sync_read (./include/linux/ioprio.h:41)
[   15.540938][  T174]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.540946][  T174]  ? __fget_files (./include/linux/rcupdate.h:882 fs/file.c:1100)
[   15.540952][  T174]  vfs_write (fs/read_write.c:687)
[   15.540959][  T174]  ksys_write (fs/read_write.c:739)
[   15.540963][  T174]  ? __ia32_sys_read (fs/read_write.c:723)
[   15.540967][  T174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.540970][  T174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.540976][  T174]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   15.540980][  T174]  ? irq_exit_rcu (kernel/softirq.c:786)
[   15.540984][  T174]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.540988][  T174] RIP: 0033:0x7f2d03621312
[   15.540994][  T174] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[   15.540996][  T174] RSP: 002b:00007fff37124758 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   15.541000][  T174] RAX: ffffffffffffffda RBX: 00000000000002ee RCX: 00007f2d03621312
[   15.541003][  T174] RDX: 00000000000002ee RSI: 0000559053d95f10 RDI: 000000000000000b
[   15.541004][  T174] RBP: 00007fff37124780 R08: 0000000000000000 R09: 0000000000000000
[   15.541006][  T174] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2d0348e390
[   15.541008][  T174] R13: 0000559053d95f10 R14: 000000000000000b R15: 00007f2d0341d0d0
| [   16.540226][  T174] softirqs last disabled at (521999): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   16.540229][  T174] Preemption disabled at:
| [   16.540229][  T174] vprintk_emit (kernel/printk/printk.c:2471)
| [   16.540239][  T174] Tainted: [W]=WARN
[   16.540240][  T174] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.540242][  T174] Call Trace:
[   16.540244][  T174]  <TASK>
[   16.540246][  T174]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   16.540252][  T174]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   16.540254][  T174]  __might_resched.cold (kernel/sched/core.c:9234)
[   16.540259][  T174]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   16.540263][  T174]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   16.540269][  T174]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   16.540272][  T174]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.540278][  T174]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   16.540281][  T174]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.540285][  T174]  put_chars (drivers/char/virtio_console.c:1176)
[   16.540289][  T174]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   16.540291][  T174]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   16.540295][  T174]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.540299][  T174]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.540303][  T174]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   16.540307][  T174]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.540309][  T174]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.540314][  T174]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   16.540318][  T174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.540321][  T174]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.540325][  T174]  console_emit_next_record (kernel/printk/printk.c:3183)
[   16.540329][  T174]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   16.540335][  T174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.540336][  T174]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.540341][  T174]  console_flush_one_record (kernel/printk/printk.c:3268)
[   16.540345][  T174]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   16.540347][  T174]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.540353][  T174]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   16.540356][  T174]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   16.540358][  T174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.540360][  T174]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   16.540365][  T174]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   16.540367][  T174]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   16.540370][  T174]  vprintk_emit (kernel/printk/printk.c:2479)
[   16.540373][  T174]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   16.540376][  T174]  ? _copy_from_iter (./include/linux/instrumented.h:146 lib/iov_iter.c:66 ./include/linux/iov_iter.h:30 ./include/linux/iov_iter.h:302 ./include/linux/iov_iter.h:330 lib/iov_iter.c:261 lib/iov_iter.c:272)
[   16.540382][  T174]  devkmsg_emit.constprop.0 (kernel/printk/printk.c:733)
[   16.540386][  T174]  ? vprintk_emit.cold (kernel/printk/printk.c:2449)
[   16.540390][  T174]  ? __kmalloc_noprof (mm/slub.c:5415 mm/slub.c:5439)
[   16.540392][  T174]  ? idr_get_free (??:?)
[   16.540397][  T174]  ? devkmsg_write (./include/linux/slab.h:995 kernel/printk/printk.c:762)
[   16.540399][  T174]  ? _copy_from_iter (./include/linux/instrumented.h:146 lib/iov_iter.c:66 ./include/linux/iov_iter.h:30 ./include/linux/iov_iter.h:302 ./include/linux/iov_iter.h:330 lib/iov_iter.c:261 lib/iov_iter.c:272)
[   16.540402][  T174]  devkmsg_write.cold (kernel/printk/printk.c:796)
[   16.540405][  T174]  ? vprintk_default (kernel/printk/printk.c:2494)
[   16.540408][  T174]  ? rcu_accelerate_cbs (kernel/rcu/tree.c:1173 (discriminator 1))
[   16.540411][  T174]  ? cond_synchronize_rcu_full (kernel/rcu/tree.c:3626 (discriminator 1))
[   16.540413][  T174]  ? vprintk_default (kernel/printk/printk.c:2494)
[   16.540416][  T174]  new_sync_write (fs/read_write.c:595)
[   16.540422][  T174]  ? new_sync_read (./include/linux/ioprio.h:41)
[   16.540426][  T174]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.540432][  T174]  ? __fget_files (./include/linux/rcupdate.h:882 fs/file.c:1100)
[   16.540436][  T174]  vfs_write (fs/read_write.c:687)
[   16.540440][  T174]  ksys_write (fs/read_write.c:739)
[   16.540443][  T174]  ? __ia32_sys_read (fs/read_write.c:723)
[   16.540445][  T174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.540447][  T174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.540451][  T174]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   16.540453][  T174]  ? irq_exit_rcu (kernel/softirq.c:786)
[   16.540456][  T174]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.540459][  T174] RIP: 0033:0x7f2d03621312
[   16.540463][  T174] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[   16.540465][  T174] RSP: 002b:00007fff37124758 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   16.540468][  T174] RAX: ffffffffffffffda RBX: 0000000000000316 RCX: 00007f2d03621312
[   16.540470][  T174] RDX: 0000000000000316 RSI: 0000559053d95f10 RDI: 000000000000000b
[   16.540471][  T174] RBP: 00007fff37124780 R08: 0000000000000000 R09: 0000000000000000
[   16.540472][  T174] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2d0348e390
[   16.540473][  T174] R13: 0000559053d95f10 R14: 000000000000000b R15: 00007f2d0341d0d0
| [   17.873334][  T174] softirqs last disabled at (547259): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   17.873337][  T174] Preemption disabled at:
| [   17.873338][  T174] vprintk_emit (kernel/printk/printk.c:2471)
| [   17.873346][  T174] Tainted: [W]=WARN
[   17.873347][  T174] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.873349][  T174] Call Trace:
[   17.873351][  T174]  <TASK>
[   17.873353][  T174]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   17.873359][  T174]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   17.873361][  T174]  __might_resched.cold (kernel/sched/core.c:9234)
[   17.873366][  T174]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   17.873370][  T174]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   17.873376][  T174]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   17.873378][  T174]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.873384][  T174]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   17.873387][  T174]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.873391][  T174]  put_chars (drivers/char/virtio_console.c:1176)
[   17.873394][  T174]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   17.873396][  T174]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   17.873400][  T174]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.873403][  T174]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   17.873408][  T174]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   17.873411][  T174]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.873413][  T174]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.873418][  T174]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   17.873421][  T174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.873423][  T174]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.873427][  T174]  console_emit_next_record (kernel/printk/printk.c:3183)
[   17.873431][  T174]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   17.873436][  T174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.873438][  T174]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.873442][  T174]  console_flush_one_record (kernel/printk/printk.c:3268)
[   17.873446][  T174]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   17.873448][  T174]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.873453][  T174]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   17.873456][  T174]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   17.873458][  T174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.873460][  T174]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   17.873464][  T174]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   17.873466][  T174]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   17.873468][  T174]  vprintk_emit (kernel/printk/printk.c:2479)
[   17.873471][  T174]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   17.873474][  T174]  ? _copy_from_iter (./include/linux/instrumented.h:146 lib/iov_iter.c:66 ./include/linux/iov_iter.h:30 ./include/linux/iov_iter.h:302 ./include/linux/iov_iter.h:330 lib/iov_iter.c:261 lib/iov_iter.c:272)
[   17.873480][  T174]  devkmsg_emit.constprop.0 (kernel/printk/printk.c:733)
[   17.873484][  T174]  ? vprintk_emit.cold (kernel/printk/printk.c:2449)
[   17.873487][  T174]  ? __kmalloc_noprof (mm/slub.c:5415 mm/slub.c:5439)
[   17.873490][  T174]  ? idr_get_free (??:?)
[   17.873494][  T174]  ? devkmsg_write (./include/linux/slab.h:995 kernel/printk/printk.c:762)
[   17.873497][  T174]  ? _copy_from_iter (./include/linux/instrumented.h:146 lib/iov_iter.c:66 ./include/linux/iov_iter.h:30 ./include/linux/iov_iter.h:302 ./include/linux/iov_iter.h:330 lib/iov_iter.c:261 lib/iov_iter.c:272)
[   17.873499][  T174]  devkmsg_write.cold (kernel/printk/printk.c:796)
[   17.873502][  T174]  ? vprintk_default (kernel/printk/printk.c:2494)
[   17.873504][  T174]  ? cp_old_stat (fs/stat.c:406 (discriminator 3))
[   17.873508][  T174]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   17.873510][  T174]  ? vprintk_default (kernel/printk/printk.c:2494)
[   17.873512][  T174]  new_sync_write (fs/read_write.c:595)
[   17.873518][  T174]  ? new_sync_read (./include/linux/ioprio.h:41)
[   17.873522][  T174]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   17.873527][  T174]  ? __fget_files (./include/linux/rcupdate.h:882 fs/file.c:1100)
[   17.873531][  T174]  vfs_write (fs/read_write.c:687)
[   17.873535][  T174]  ksys_write (fs/read_write.c:739)
[   17.873537][  T174]  ? __ia32_sys_read (fs/read_write.c:723)
[   17.873540][  T174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.873543][  T174]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   17.873546][  T174]  ? irq_exit_rcu (kernel/softirq.c:786)
[   17.873549][  T174]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.873551][  T174] RIP: 0033:0x7f2d03621312
[   17.873555][  T174] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[   17.873557][  T174] RSP: 002b:00007fff37124758 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   17.873560][  T174] RAX: ffffffffffffffda RBX: 0000000000000316 RCX: 00007f2d03621312
[   17.873562][  T174] RDX: 0000000000000316 RSI: 0000559053d95f10 RDI: 000000000000000b
[   17.873563][  T174] RBP: 00007fff37124780 R08: 0000000000000000 R09: 0000000000000000
[   17.873564][  T174] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2d0348e390
[   17.873564][  T174] R13: 0000559053d95f10 R14: 000000000000000b R15: 00007f2d0341d0d0
| [   19.258425][  T174] softirqs last disabled at (578321): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   19.258428][  T174] Preemption disabled at:
| [   19.258429][  T174] vprintk_emit (kernel/printk/printk.c:2471)
| [   19.258438][  T174] Tainted: [W]=WARN
[   19.258439][  T174] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.258441][  T174] Call Trace:
[   19.258443][  T174]  <TASK>
[   19.258444][  T174]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   19.258451][  T174]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   19.258453][  T174]  __might_resched.cold (kernel/sched/core.c:9234)
[   19.258458][  T174]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   19.258462][  T174]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   19.258467][  T174]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   19.258470][  T174]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.258476][  T174]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   19.258479][  T174]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.258483][  T174]  put_chars (drivers/char/virtio_console.c:1176)
[   19.258486][  T174]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   19.258487][  T174]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   19.258491][  T174]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   19.258495][  T174]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   19.258499][  T174]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   19.258502][  T174]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.258504][  T174]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.258509][  T174]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   19.258512][  T174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.258514][  T174]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.258519][  T174]  console_emit_next_record (kernel/printk/printk.c:3183)
[   19.258522][  T174]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   19.258527][  T174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.258529][  T174]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.258533][  T174]  console_flush_one_record (kernel/printk/printk.c:3268)
[   19.258537][  T174]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   19.258539][  T174]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.258544][  T174]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   19.258547][  T174]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   19.258549][  T174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.258551][  T174]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   19.258555][  T174]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   19.258557][  T174]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   19.258560][  T174]  vprintk_emit (kernel/printk/printk.c:2479)
[   19.258563][  T174]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   19.258565][  T174]  ? _copy_from_iter (./include/linux/instrumented.h:146 lib/iov_iter.c:66 ./include/linux/iov_iter.h:30 ./include/linux/iov_iter.h:302 ./include/linux/iov_iter.h:330 lib/iov_iter.c:261 lib/iov_iter.c:272)
[   19.258571][  T174]  devkmsg_emit.constprop.0 (kernel/printk/printk.c:733)
[   19.258575][  T174]  ? vprintk_emit.cold (kernel/printk/printk.c:2449)
[   19.258579][  T174]  ? __kmalloc_noprof (mm/slub.c:5415 mm/slub.c:5439)
[   19.258581][  T174]  ? idr_get_free (??:?)
[   19.258585][  T174]  ? devkmsg_write (./include/linux/slab.h:995 kernel/printk/printk.c:762)
[   19.258588][  T174]  ? _copy_from_iter (./include/linux/instrumented.h:146 lib/iov_iter.c:66 ./include/linux/iov_iter.h:30 ./include/linux/iov_iter.h:302 ./include/linux/iov_iter.h:330 lib/iov_iter.c:261 lib/iov_iter.c:272)
[   19.258590][  T174]  devkmsg_write.cold (kernel/printk/printk.c:796)
[   19.258593][  T174]  ? vprintk_default (kernel/printk/printk.c:2494)
[   19.258597][  T174]  ? vprintk_default (kernel/printk/printk.c:2494)
[   19.258599][  T174]  new_sync_write (fs/read_write.c:595)
[   19.258605][  T174]  ? new_sync_read (./include/linux/ioprio.h:41)
[   19.258609][  T174]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.258614][  T174]  ? __fget_files (./include/linux/rcupdate.h:882 fs/file.c:1100)
[   19.258617][  T174]  vfs_write (fs/read_write.c:687)
[   19.258626][  T174]  ksys_write (fs/read_write.c:739)
[   19.258629][  T174]  ? __ia32_sys_read (fs/read_write.c:723)
[   19.258631][  T174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.258632][  T174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.258635][  T174]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   19.258638][  T174]  ? irq_exit_rcu (kernel/softirq.c:786)
[   19.258641][  T174]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.258643][  T174] RIP: 0033:0x7f2d03621312
[   19.258648][  T174] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[   19.258650][  T174] RSP: 002b:00007fff37124758 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   19.258653][  T174] RAX: ffffffffffffffda RBX: 0000000000000316 RCX: 00007f2d03621312
[   19.258654][  T174] RDX: 0000000000000316 RSI: 0000559053d95f10 RDI: 000000000000000b
[   19.258655][  T174] RBP: 00007fff37124780 R08: 0000000000000000 R09: 0000000000000000
[   19.258656][  T174] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2d0348e390
[   19.258657][  T174] R13: 0000559053d95f10 R14: 000000000000000b R15: 00007f2d0341d0d0
| [   20.277353][  T174] softirqs last disabled at (613901): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   20.277355][  T174] Preemption disabled at:
| [   20.277356][  T174] vprintk_emit (kernel/printk/printk.c:2471)
| [   20.277366][  T174] Tainted: [W]=WARN
[   20.277367][  T174] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.277369][  T174] Call Trace:
[   20.277371][  T174]  <TASK>
[   20.277372][  T174]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   20.277378][  T174]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   20.277380][  T174]  __might_resched.cold (kernel/sched/core.c:9234)
[   20.277385][  T174]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   20.277389][  T174]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   20.277395][  T174]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   20.277398][  T174]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.277404][  T174]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   20.277407][  T174]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.277411][  T174]  put_chars (drivers/char/virtio_console.c:1176)
[   20.277414][  T174]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   20.277416][  T174]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   20.277420][  T174]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.277424][  T174]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   20.277429][  T174]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   20.277432][  T174]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.277434][  T174]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.277439][  T174]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   20.277443][  T174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.277445][  T174]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.277449][  T174]  console_emit_next_record (kernel/printk/printk.c:3183)
[   20.277453][  T174]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   20.277458][  T174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.277460][  T174]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.277464][  T174]  console_flush_one_record (kernel/printk/printk.c:3268)
[   20.277469][  T174]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   20.277471][  T174]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.277476][  T174]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   20.277480][  T174]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   20.277482][  T174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.277484][  T174]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   20.277488][  T174]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   20.277490][  T174]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   20.277492][  T174]  vprintk_emit (kernel/printk/printk.c:2479)
[   20.277496][  T174]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   20.277498][  T174]  ? _copy_from_iter (./include/linux/instrumented.h:146 lib/iov_iter.c:66 ./include/linux/iov_iter.h:30 ./include/linux/iov_iter.h:302 ./include/linux/iov_iter.h:330 lib/iov_iter.c:261 lib/iov_iter.c:272)
[   20.277504][  T174]  devkmsg_emit.constprop.0 (kernel/printk/printk.c:733)
[   20.277508][  T174]  ? vprintk_emit.cold (kernel/printk/printk.c:2449)
[   20.277512][  T174]  ? __kmalloc_noprof (mm/slub.c:5415 mm/slub.c:5439)
[   20.277514][  T174]  ? idr_get_free (??:?)
[   20.277519][  T174]  ? devkmsg_write (./include/linux/slab.h:995 kernel/printk/printk.c:762)
[   20.277522][  T174]  ? _copy_from_iter (./include/linux/instrumented.h:146 lib/iov_iter.c:66 ./include/linux/iov_iter.h:30 ./include/linux/iov_iter.h:302 ./include/linux/iov_iter.h:330 lib/iov_iter.c:261 lib/iov_iter.c:272)
[   20.277524][  T174]  devkmsg_write.cold (kernel/printk/printk.c:796)
[   20.277527][  T174]  ? vprintk_default (kernel/printk/printk.c:2494)
[   20.277529][  T174]  ? cp_old_stat (fs/stat.c:406 (discriminator 3))
[   20.277533][  T174]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   20.277536][  T174]  ? vprintk_default (kernel/printk/printk.c:2494)
[   20.277538][  T174]  new_sync_write (fs/read_write.c:595)
[   20.277543][  T174]  ? new_sync_read (./include/linux/ioprio.h:41)
[   20.277548][  T174]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   20.277553][  T174]  ? __fget_files (./include/linux/rcupdate.h:882 fs/file.c:1100)
[   20.277557][  T174]  vfs_write (fs/read_write.c:687)
[   20.277561][  T174]  ksys_write (fs/read_write.c:739)
[   20.277564][  T174]  ? __ia32_sys_read (fs/read_write.c:723)
[   20.277566][  T174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.277570][  T174]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   20.277573][  T174]  ? irq_exit_rcu (kernel/softirq.c:786)
[   20.277575][  T174]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.277578][  T174] RIP: 0033:0x7f2d03621312
[   20.277583][  T174] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[   20.277584][  T174] RSP: 002b:00007fff37124758 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   20.277587][  T174] RAX: ffffffffffffffda RBX: 0000000000000316 RCX: 00007f2d03621312
[   20.277589][  T174] RDX: 0000000000000316 RSI: 0000559053d95f10 RDI: 000000000000000b
[   20.277590][  T174] RBP: 00007fff37124780 R08: 0000000000000000 R09: 0000000000000000
[   20.277591][  T174] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2d0348e390


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