======================================
| [   10.193912][  T176] softirqs last disabled at (62337): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   10.193914][  T176] Preemption disabled at:
| [   10.193915][  T176] vprintk_emit (kernel/printk/printk.c:2471)
| [   10.193924][  T176] Tainted: [W]=WARN
[   10.193925][  T176] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.193927][  T176] Call Trace:
[   10.193928][  T176]  <TASK>
[   10.193930][  T176]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.193936][  T176]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   10.193937][  T176]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.193942][  T176]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.193946][  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)
[   10.193952][  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))
[   10.193954][  T176]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.193961][  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)
[   10.193963][  T176]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.193967][  T176]  put_chars (drivers/char/virtio_console.c:1176)
[   10.193970][  T176]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.193974][  T176]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.193979][  T176]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.193985][  T176]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.193988][  T176]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.193991][  T176]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.193995][  T176]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.193999][  T176]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.194004][  T176]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.194006][  T176]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.194010][  T176]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.194014][  T176]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.194016][  T176]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.194026][  T176]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.194029][  T176]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.194031][  T176]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.194033][  T176]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.194036][  T176]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.194038][  T176]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.194041][  T176]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.194044][  T176]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.194046][  T176]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.194049][  T176]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.194051][  T176]  ? fast_dput (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) fs/dcache.c:948 (discriminator 2))
[   10.194055][  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
[   10.194059][  T176]  _printk (kernel/printk/printk.c:2504)
[   10.194063][  T176]  ? snapshot_read.cold (user.c:?)
[   10.194066][  T176]  ? __up_write (kernel/locking/rwsem.c:1422 (discriminator 1))
[   10.194069][  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
[   10.194073][  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)
[   10.194077][  T176] init_netconsole (drivers/net/netconsole.c:1286) netconsole
[   10.194081][  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
[   10.194088][  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
[   10.194090][  T176]  do_one_initcall (init/main.c:1357)
[   10.194093][  T176]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   10.194098][  T176]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   10.194100][  T176]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   10.194105][  T176]  do_init_module (kernel/module/main.c:3117)
[   10.194108][  T176]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   10.194113][  T176]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   10.194115][  T176]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   10.194119][  T176]  load_module (kernel/module/main.c:3593)
[   10.194126][  T176]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   10.194129][  T176]  ? __ia32_sys_fsconfig (??:?)
[   10.194132][  T176]  ? add_chain_cache (kernel/locking/lockdep.c:3782)
[   10.194137][  T176]  init_module_from_file (kernel/module/main.c:3790)
[   10.194140][  T176]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   10.194153][  T176]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.194156][  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)
[   10.194159][  T176]  idempotent_init_module (kernel/module/main.c:3802)
[   10.194162][  T176]  ? init_module_from_file (kernel/module/main.c:3791)
[   10.194168][  T176]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.194170][  T176]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   10.194176][  T176]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   10.194177][  T176]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.194181][  T176]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.194183][  T176]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.194186][  T176]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.194188][  T176] RIP: 0033:0x7f6b2de1637d
[   10.194192][  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
[   10.194194][  T176] RSP: 002b:00007ffd1ccd4d08 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   10.194196][  T176] RAX: ffffffffffffffda RBX: 00005650284a7700 RCX: 00007f6b2de1637d
[   10.194198][  T176] RDX: 0000000000000000 RSI: 0000565006383ffd RDI: 0000000000000005
[   10.194199][  T176] RBP: 00007ffd1ccd4da0 R08: 0000000000000000 R09: 0000000000000000
[   10.194199][  T176] R10: 0000000000000000 R11: 0000000000000246 R12: 0000565006383ffd
[   10.194200][  T176] R13: 00005650284a7810 R14: 0000000000040000 R15: 0000000000000000
| [   11.927421][  T175] softirqs last disabled at (390925): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   11.927424][  T175] Preemption disabled at:
| [   11.927425][  T175] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.927435][  T175] Tainted: [W]=WARN
[   11.927436][  T175] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.927438][  T175] Call Trace:
[   11.927440][  T175]  <TASK>
[   11.927442][  T175]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.927448][  T175]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.927450][  T175]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.927455][  T175]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.927460][  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)
[   11.927466][  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))
[   11.927469][  T175]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.927476][  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)
[   11.927479][  T175]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.927484][  T175]  put_chars (drivers/char/virtio_console.c:1176)
[   11.927487][  T175]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.927489][  T175]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   11.927494][  T175]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   11.927499][  T175]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.927503][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.927505][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.927510][  T175]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.927515][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.927518][  T175]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.927523][  T175]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.927528][  T175]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.927534][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.927536][  T175]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.927541][  T175]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.927546][  T175]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.927548][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.927554][  T175]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.927558][  T175]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.927560][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.927562][  T175]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.927566][  T175]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.927568][  T175]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.927571][  T175]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.927574][  T175]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.927576][  T175]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   11.927578][  T175]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:167)
[   11.927582][  T175]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:167)
[   11.927583][  T175]  ? lockdep_hardirqs_off (kernel/locking/lockdep.c:4527)
[   11.927586][  T175]  ? irqentry_enter (./include/linux/irq-entry-common.h:439 kernel/entry/common.c:120)
[   11.927590][  T175]  _printk (kernel/printk/printk.c:2504)
[   11.927594][  T175]  ? snapshot_read.cold (user.c:?)
[   11.927597][  T175]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[   11.927601][  T175]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 12) kernel/locking/spinlock.c:221 (discriminator 12))
[   11.927607][  T175]  register_console (kernel/printk/printk.c:4212 (discriminator 7))
[   11.927610][  T175]  ? get_init_console_seq.constprop.0.isra.0 (kernel/printk/printk.c:4018)
[   11.927613][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.927618][  T175] enabled_store (drivers/net/netconsole.c:1039) netconsole
[   11.927621][  T175]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.927625][  T175]  ? netconsole_write_ext (drivers/net/netconsole.c:2504) netconsole
[   11.927628][  T175]  ? down_write_killable_nested (./arch/x86/include/asm/atomic64_64.h:20)
[   11.927631][  T175]  ? __kmalloc_cache_noprof (mm/slub.c:4986 (discriminator 1) mm/slub.c:5559 (discriminator 1))
[   11.927634][  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))
[   11.927638][  T175]  ? netconsole_write_ext (drivers/net/netconsole.c:2504) netconsole
[   11.927641][  T175]  configfs_write_iter (fs/configfs/file.c:207 fs/configfs/file.c:229)
[   11.927643][  T175]  ? configfs_bin_write_iter (fs/configfs/file.c:287 (discriminator 1))
[   11.927646][  T175]  new_sync_write (fs/read_write.c:595)
[   11.927650][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.927654][  T175]  ? new_sync_read (./include/linux/ioprio.h:41)
[   11.927658][  T175]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.927660][  T175]  ? ksys_write (fs/read_write.c:739)
[   11.927668][  T175]  vfs_write (fs/read_write.c:687)
[   11.927673][  T175]  ksys_write (fs/read_write.c:739)
[   11.927676][  T175]  ? __ia32_sys_read (fs/read_write.c:723)
[   11.927679][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.927684][  T175]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.927687][  T175]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.927690][  T175]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.927693][  T175] RIP: 0033:0x7f8ad2d91312
[   11.927696][  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)
[   11.927698][  T175] RSP: 002b:00007ffe0864e3b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   11.927701][  T175] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f8ad2d91312
[   11.927703][  T175] RDX: 0000000000000001 RSI: 000055856184ef10 RDI: 0000000000000010
[   11.927704][  T175] RBP: 00007ffe0864e3e0 R08: 0000000000000000 R09: 0000000000000000
[   11.927705][  T175] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8ad2bfe390
[   11.927706][  T175] R13: 000055856184ef10 R14: 0000000000000010 R15: 00007f8ad2b8d0d0
| [   12.934921][  T175] softirqs last disabled at (419690): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   12.934925][  T175] Preemption disabled at:
| [   12.934926][  T175] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.934938][  T175] Tainted: [W]=WARN
[   12.934940][  T175] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.934942][  T175] Call Trace:
[   12.934945][  T175]  <TASK>
[   12.934948][  T175]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.934956][  T175]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.934959][  T175]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.934965][  T175]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.934972][  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)
[   12.934980][  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))
[   12.934984][  T175]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.934993][  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)
[   12.934997][  T175]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.935003][  T175]  put_chars (drivers/char/virtio_console.c:1176)
[   12.935008][  T175]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.935011][  T175]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.935017][  T175]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.935021][  T175]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.935035][  T175]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.935039][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.935048][  T175]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.935054][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.935063][  T175]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.935070][  T175]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.935078][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.935082][  T175]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.935089][  T175]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.935097][  T175]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.935099][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.935110][  T175]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.935114][  T175]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.935117][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.935121][  T175]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.935128][  T175]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.935131][  T175]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.935136][  T175]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.935146][  T175]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.935149][  T175]  ? rcu_gp_is_expedited (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 kernel/rcu/update.c:196)
[   12.935152][  T175]  ? synchronize_rcu (kernel/rcu/tree.c:3410)
[   12.935160][  T175]  _printk (kernel/printk/printk.c:2504)
[   12.935164][  T175]  ? snapshot_read.cold (user.c:?)
[   12.935167][  T175]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.935175][  T175]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   12.935178][  T175]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   12.935183][  T175]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   12.935188][  T175]  ? __free_object (./include/linux/irqflags.h:266 (discriminator 6) lib/debugobjects.c:536 (discriminator 6))
[   12.935195][  T175] enabled_store.cold (drivers/net/netconsole.c:1071 (discriminator 1)) netconsole
[   12.935200][  T175]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   12.935206][  T175]  ? netconsole_write_ext (drivers/net/netconsole.c:2504) netconsole
[   12.935209][  T175]  ? down_write_killable_nested (./arch/x86/include/asm/atomic64_64.h:20)
[   12.935213][  T175]  ? __kmalloc_cache_noprof (mm/slub.c:4986 (discriminator 1) mm/slub.c:5559 (discriminator 1))
[   12.935218][  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))
[   12.935225][  T175]  ? netconsole_write_ext (drivers/net/netconsole.c:2504) netconsole
[   12.935229][  T175]  configfs_write_iter (fs/configfs/file.c:207 fs/configfs/file.c:229)
[   12.935233][  T175]  ? configfs_bin_write_iter (fs/configfs/file.c:287 (discriminator 1))
[   12.935238][  T175]  new_sync_write (fs/read_write.c:595)
[   12.935243][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.935248][  T175]  ? new_sync_read (./include/linux/ioprio.h:41)
[   12.935254][  T175]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.935257][  T175]  ? ksys_write (fs/read_write.c:739)
[   12.935269][  T175]  vfs_write (fs/read_write.c:687)
[   12.935276][  T175]  ksys_write (fs/read_write.c:739)
[   12.935281][  T175]  ? __ia32_sys_read (fs/read_write.c:723)
[   12.935286][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.935292][  T175]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.935296][  T175]  ? irq_exit_rcu (kernel/softirq.c:786)
[   12.935302][  T175]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.935306][  T175] RIP: 0033:0x7f8ad2d91312
[   12.935311][  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)
[   12.935314][  T175] RSP: 002b:00007ffe0864e3b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   12.935318][  T175] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f8ad2d91312
[   12.935321][  T175] RDX: 0000000000000001 RSI: 000055856184ef10 RDI: 000000000000000b
[   12.935322][  T175] RBP: 00007ffe0864e3e0 R08: 0000000000000000 R09: 0000000000000000
[   12.935324][  T175] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8ad2bfe390
[   12.935325][  T175] R13: 000055856184ef10 R14: 000000000000000b R15: 00007f8ad2b8d0d0
| [   14.012930][  T175] softirqs last disabled at (508415): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   14.012933][  T175] Preemption disabled at:
| [   14.012934][  T175] vprintk_emit (kernel/printk/printk.c:2471)
| [   14.012943][  T175] Tainted: [W]=WARN
[   14.012944][  T175] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.012946][  T175] Call Trace:
[   14.012947][  T175]  <TASK>
[   14.012949][  T175]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   14.012955][  T175]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   14.012957][  T175]  __might_resched.cold (kernel/sched/core.c:9234)
[   14.012962][  T175]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   14.012966][  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)
[   14.012972][  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))
[   14.012974][  T175]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.012981][  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)
[   14.012984][  T175]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.012988][  T175]  put_chars (drivers/char/virtio_console.c:1176)
[   14.012991][  T175]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   14.012993][  T175]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   14.012996][  T175]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.013000][  T175]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.013004][  T175]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   14.013008][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.013009][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.013014][  T175]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   14.013018][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.013020][  T175]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.013024][  T175]  console_emit_next_record (kernel/printk/printk.c:3183)
[   14.013028][  T175]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   14.013038][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.013040][  T175]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.013045][  T175]  console_flush_one_record (kernel/printk/printk.c:3268)
[   14.013049][  T175]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   14.013051][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.013056][  T175]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   14.013059][  T175]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   14.013062][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.013063][  T175]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   14.013067][  T175]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   14.013069][  T175]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   14.013072][  T175]  vprintk_emit (kernel/printk/printk.c:2479)
[   14.013075][  T175]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   14.013078][  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)
[   14.013083][  T175]  devkmsg_emit.constprop.0 (kernel/printk/printk.c:733)
[   14.013087][  T175]  ? vprintk_emit.cold (kernel/printk/printk.c:2449)
[   14.013091][  T175]  ? __kmalloc_noprof (mm/slub.c:5415 mm/slub.c:5439)
[   14.013093][  T175]  ? idr_get_free (??:?)
[   14.013097][  T175]  ? devkmsg_write (./include/linux/slab.h:995 kernel/printk/printk.c:762)
[   14.013100][  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)
[   14.013102][  T175]  devkmsg_write.cold (kernel/printk/printk.c:796)
[   14.013105][  T175]  ? vprintk_default (kernel/printk/printk.c:2494)
[   14.013107][  T175]  ? cp_old_stat (fs/stat.c:406 (discriminator 3))
[   14.013111][  T175]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.013114][  T175]  ? vprintk_default (kernel/printk/printk.c:2494)
[   14.013116][  T175]  new_sync_write (fs/read_write.c:595)
[   14.013121][  T175]  ? new_sync_read (./include/linux/ioprio.h:41)
[   14.013125][  T175]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.013130][  T175]  ? __fget_files (./include/linux/rcupdate.h:882 fs/file.c:1100)
[   14.013134][  T175]  vfs_write (fs/read_write.c:687)
[   14.013138][  T175]  ksys_write (fs/read_write.c:739)
[   14.013140][  T175]  ? __ia32_sys_read (fs/read_write.c:723)
[   14.013146][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.013149][  T175]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   14.013152][  T175]  ? irq_exit_rcu (kernel/softirq.c:786)
[   14.013155][  T175]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.013158][  T175] RIP: 0033:0x7f8ad2d91312
[   14.013162][  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)
[   14.013164][  T175] RSP: 002b:00007ffe0864e3b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   14.013167][  T175] RAX: ffffffffffffffda RBX: 00000000000002ee RCX: 00007f8ad2d91312
[   14.013168][  T175] RDX: 00000000000002ee RSI: 000055856184ef10 RDI: 000000000000000b
[   14.013169][  T175] RBP: 00007ffe0864e3e0 R08: 0000000000000000 R09: 0000000000000000
[   14.013170][  T175] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8ad2bfe390
[   14.013171][  T175] R13: 000055856184ef10 R14: 000000000000000b R15: 00007f8ad2b8d0d0
| [   15.372567][  T175] softirqs last disabled at (528617): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   15.372569][  T175] Preemption disabled at:
| [   15.372570][  T175] vprintk_emit (kernel/printk/printk.c:2471)
| [   15.372579][  T175] Tainted: [W]=WARN
[   15.372580][  T175] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.372582][  T175] Call Trace:
[   15.372584][  T175]  <TASK>
[   15.372586][  T175]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   15.372592][  T175]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   15.372593][  T175]  __might_resched.cold (kernel/sched/core.c:9234)
[   15.372598][  T175]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   15.372603][  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)
[   15.372608][  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))
[   15.372611][  T175]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.372617][  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)
[   15.372620][  T175]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.372624][  T175]  put_chars (drivers/char/virtio_console.c:1176)
[   15.372627][  T175]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   15.372629][  T175]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   15.372633][  T175]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.372636][  T175]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.372641][  T175]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   15.372644][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.372646][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.372651][  T175]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   15.372654][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.372656][  T175]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.372661][  T175]  console_emit_next_record (kernel/printk/printk.c:3183)
[   15.372665][  T175]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   15.372669][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.372671][  T175]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.372675][  T175]  console_flush_one_record (kernel/printk/printk.c:3268)
[   15.372679][  T175]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   15.372681][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.372686][  T175]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   15.372690][  T175]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   15.372692][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.372693][  T175]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   15.372697][  T175]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   15.372699][  T175]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   15.372702][  T175]  vprintk_emit (kernel/printk/printk.c:2479)
[   15.372705][  T175]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   15.372708][  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)
[   15.372713][  T175]  devkmsg_emit.constprop.0 (kernel/printk/printk.c:733)
[   15.372717][  T175]  ? vprintk_emit.cold (kernel/printk/printk.c:2449)
[   15.372721][  T175]  ? __kmalloc_noprof (mm/slub.c:5415 mm/slub.c:5439)
[   15.372723][  T175]  ? idr_get_free (??:?)
[   15.372728][  T175]  ? devkmsg_write (./include/linux/slab.h:995 kernel/printk/printk.c:762)
[   15.372731][  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)
[   15.372733][  T175]  devkmsg_write.cold (kernel/printk/printk.c:796)
[   15.372736][  T175]  ? vprintk_default (kernel/printk/printk.c:2494)
[   15.372738][  T175]  ? cp_old_stat (fs/stat.c:406 (discriminator 3))
[   15.372741][  T175]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.372744][  T175]  ? vprintk_default (kernel/printk/printk.c:2494)
[   15.372746][  T175]  new_sync_write (fs/read_write.c:595)
[   15.372751][  T175]  ? new_sync_read (./include/linux/ioprio.h:41)
[   15.372755][  T175]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.372760][  T175]  ? __fget_files (./include/linux/rcupdate.h:882 fs/file.c:1100)
[   15.372764][  T175]  vfs_write (fs/read_write.c:687)
[   15.372768][  T175]  ksys_write (fs/read_write.c:739)
[   15.372770][  T175]  ? __ia32_sys_read (fs/read_write.c:723)
[   15.372773][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.372776][  T175]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   15.372779][  T175]  ? irq_exit_rcu (kernel/softirq.c:786)
[   15.372782][  T175]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.372784][  T175] RIP: 0033:0x7f8ad2d91312
[   15.372789][  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)
[   15.372791][  T175] RSP: 002b:00007ffe0864e3b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   15.372794][  T175] RAX: ffffffffffffffda RBX: 00000000000002ee RCX: 00007f8ad2d91312
[   15.372795][  T175] RDX: 00000000000002ee RSI: 000055856184ef10 RDI: 000000000000000b
[   15.372796][  T175] RBP: 00007ffe0864e3e0 R08: 0000000000000000 R09: 0000000000000000
[   15.372797][  T175] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8ad2bfe390
[   15.372798][  T175] R13: 000055856184ef10 R14: 000000000000000b R15: 00007f8ad2b8d0d0
| [   16.725111][  T175] softirqs last disabled at (555589): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   16.725114][  T175] Preemption disabled at:
| [   16.725115][  T175] vprintk_emit (kernel/printk/printk.c:2471)
| [   16.725125][  T175] Tainted: [W]=WARN
[   16.725126][  T175] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.725128][  T175] Call Trace:
[   16.725130][  T175]  <TASK>
[   16.725131][  T175]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   16.725138][  T175]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   16.725139][  T175]  __might_resched.cold (kernel/sched/core.c:9234)
[   16.725147][  T175]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   16.725151][  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)
[   16.725157][  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))
[   16.725160][  T175]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.725166][  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)
[   16.725169][  T175]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.725173][  T175]  put_chars (drivers/char/virtio_console.c:1176)
[   16.725177][  T175]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   16.725179][  T175]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   16.725182][  T175]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.725186][  T175]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.725190][  T175]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   16.725194][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.725196][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.725200][  T175]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   16.725204][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.725206][  T175]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.725211][  T175]  console_emit_next_record (kernel/printk/printk.c:3183)
[   16.725215][  T175]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   16.725219][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.725221][  T175]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.725225][  T175]  console_flush_one_record (kernel/printk/printk.c:3268)
[   16.725230][  T175]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   16.725232][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.725237][  T175]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   16.725241][  T175]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   16.725243][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.725244][  T175]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   16.725248][  T175]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   16.725251][  T175]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   16.725253][  T175]  vprintk_emit (kernel/printk/printk.c:2479)
[   16.725257][  T175]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   16.725259][  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)
[   16.725265][  T175]  devkmsg_emit.constprop.0 (kernel/printk/printk.c:733)
[   16.725269][  T175]  ? vprintk_emit.cold (kernel/printk/printk.c:2449)
[   16.725273][  T175]  ? __kmalloc_noprof (mm/slub.c:5415 mm/slub.c:5439)
[   16.725275][  T175]  ? idr_get_free (??:?)
[   16.725279][  T175]  ? devkmsg_write (./include/linux/slab.h:995 kernel/printk/printk.c:762)
[   16.725282][  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)
[   16.725284][  T175]  devkmsg_write.cold (kernel/printk/printk.c:796)
[   16.725287][  T175]  ? vprintk_default (kernel/printk/printk.c:2494)
[   16.725289][  T175]  ? cp_old_stat (fs/stat.c:406 (discriminator 3))
[   16.725293][  T175]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.725296][  T175]  ? vprintk_default (kernel/printk/printk.c:2494)
[   16.725299][  T175]  new_sync_write (fs/read_write.c:595)
[   16.725304][  T175]  ? new_sync_read (./include/linux/ioprio.h:41)
[   16.725308][  T175]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.725313][  T175]  ? __fget_files (./include/linux/rcupdate.h:882 fs/file.c:1100)
[   16.725317][  T175]  vfs_write (fs/read_write.c:687)
[   16.725321][  T175]  ksys_write (fs/read_write.c:739)
[   16.725324][  T175]  ? __ia32_sys_read (fs/read_write.c:723)
[   16.725326][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.725330][  T175]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   16.725332][  T175]  ? irq_exit_rcu (kernel/softirq.c:786)
[   16.725335][  T175]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.725337][  T175] RIP: 0033:0x7f8ad2d91312
[   16.725342][  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)
[   16.725344][  T175] RSP: 002b:00007ffe0864e3b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   16.725347][  T175] RAX: ffffffffffffffda RBX: 0000000000000316 RCX: 00007f8ad2d91312
[   16.725349][  T175] RDX: 0000000000000316 RSI: 000055856184ef10 RDI: 000000000000000b
[   16.725350][  T175] RBP: 00007ffe0864e3e0 R08: 0000000000000000 R09: 0000000000000000
[   16.725351][  T175] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8ad2bfe390
[   16.725352][  T175] R13: 000055856184ef10 R14: 000000000000000b R15: 00007f8ad2b8d0d0
| [   18.102211][  T175] softirqs last disabled at (595959): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   18.102214][  T175] Preemption disabled at:
| [   18.102215][  T175] vprintk_emit (kernel/printk/printk.c:2471)
| [   18.102224][  T175] Tainted: [W]=WARN
[   18.102225][  T175] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.102227][  T175] Call Trace:
[   18.102229][  T175]  <TASK>
[   18.102230][  T175]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   18.102236][  T175]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   18.102238][  T175]  __might_resched.cold (kernel/sched/core.c:9234)
[   18.102243][  T175]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   18.102247][  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)
[   18.102253][  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))
[   18.102256][  T175]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.102262][  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)
[   18.102264][  T175]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.102268][  T175]  put_chars (drivers/char/virtio_console.c:1176)
[   18.102272][  T175]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   18.102273][  T175]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   18.102277][  T175]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.102281][  T175]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   18.102286][  T175]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   18.102290][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.102292][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.102298][  T175]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   18.102303][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.102305][  T175]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.102309][  T175]  console_emit_next_record (kernel/printk/printk.c:3183)
[   18.102314][  T175]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   18.102319][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.102320][  T175]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.102325][  T175]  console_flush_one_record (kernel/printk/printk.c:3268)
[   18.102329][  T175]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   18.102331][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.102337][  T175]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   18.102340][  T175]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   18.102342][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.102344][  T175]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   18.102348][  T175]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   18.102350][  T175]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   18.102353][  T175]  vprintk_emit (kernel/printk/printk.c:2479)
[   18.102356][  T175]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   18.102359][  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)
[   18.102365][  T175]  devkmsg_emit.constprop.0 (kernel/printk/printk.c:733)
[   18.102368][  T175]  ? vprintk_emit.cold (kernel/printk/printk.c:2449)
[   18.102373][  T175]  ? __kmalloc_noprof (mm/slub.c:5415 mm/slub.c:5439)
[   18.102375][  T175]  ? idr_get_free (??:?)
[   18.102380][  T175]  ? devkmsg_write (./include/linux/slab.h:995 kernel/printk/printk.c:762)
[   18.102383][  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)
[   18.102385][  T175]  devkmsg_write.cold (kernel/printk/printk.c:796)
[   18.102388][  T175]  ? vprintk_default (kernel/printk/printk.c:2494)
[   18.102390][  T175]  ? cp_old_stat (fs/stat.c:406 (discriminator 3))
[   18.102394][  T175]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.102397][  T175]  ? vprintk_default (kernel/printk/printk.c:2494)
[   18.102399][  T175]  new_sync_write (fs/read_write.c:595)
[   18.102405][  T175]  ? new_sync_read (./include/linux/ioprio.h:41)
[   18.102409][  T175]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.102414][  T175]  ? __fget_files (./include/linux/rcupdate.h:882 fs/file.c:1100)
[   18.102419][  T175]  vfs_write (fs/read_write.c:687)
[   18.102423][  T175]  ksys_write (fs/read_write.c:739)
[   18.102425][  T175]  ? __ia32_sys_read (fs/read_write.c:723)
[   18.102428][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.102431][  T175]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   18.102435][  T175]  ? irq_exit_rcu (kernel/softirq.c:786)
[   18.102438][  T175]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.102440][  T175] RIP: 0033:0x7f8ad2d91312
[   18.102445][  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)
[   18.102447][  T175] RSP: 002b:00007ffe0864e3b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   18.102450][  T175] RAX: ffffffffffffffda RBX: 0000000000000316 RCX: 00007f8ad2d91312
[   18.102451][  T175] RDX: 0000000000000316 RSI: 000055856184ef10 RDI: 000000000000000b
[   18.102453][  T175] RBP: 00007ffe0864e3e0 R08: 0000000000000000 R09: 0000000000000000
[   18.102454][  T175] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8ad2bfe390
[   18.102454][  T175] R13: 000055856184ef10 R14: 000000000000000b R15: 00007f8ad2b8d0d0
| [   19.111922][  T175] softirqs last disabled at (613875): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   19.111924][  T175] Preemption disabled at:
| [   19.111925][  T175] vprintk_emit (kernel/printk/printk.c:2471)
| [   19.111934][  T175] Tainted: [W]=WARN
[   19.111935][  T175] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.111937][  T175] Call Trace:
[   19.111939][  T175]  <TASK>
[   19.111941][  T175]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   19.111947][  T175]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   19.111949][  T175]  __might_resched.cold (kernel/sched/core.c:9234)
[   19.111954][  T175]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   19.111958][  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)
[   19.111964][  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))
[   19.111966][  T175]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.111973][  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)
[   19.111976][  T175]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.111980][  T175]  put_chars (drivers/char/virtio_console.c:1176)
[   19.111983][  T175]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   19.111985][  T175]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   19.111989][  T175]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   19.111993][  T175]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   19.111997][  T175]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   19.112001][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.112003][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.112008][  T175]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   19.112011][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.112014][  T175]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.112018][  T175]  console_emit_next_record (kernel/printk/printk.c:3183)
[   19.112022][  T175]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   19.112026][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.112028][  T175]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.112033][  T175]  console_flush_one_record (kernel/printk/printk.c:3268)
[   19.112037][  T175]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   19.112039][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.112045][  T175]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   19.112052][  T175]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   19.112054][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.112056][  T175]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   19.112060][  T175]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   19.112062][  T175]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   19.112065][  T175]  vprintk_emit (kernel/printk/printk.c:2479)
[   19.112068][  T175]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   19.112071][  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)
[   19.112076][  T175]  devkmsg_emit.constprop.0 (kernel/printk/printk.c:733)
[   19.112080][  T175]  ? vprintk_emit.cold (kernel/printk/printk.c:2449)
[   19.112084][  T175]  ? __kmalloc_noprof (mm/slub.c:5415 mm/slub.c:5439)
[   19.112086][  T175]  ? idr_get_free (??:?)
[   19.112090][  T175]  ? devkmsg_write (./include/linux/slab.h:995 kernel/printk/printk.c:762)
[   19.112093][  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)
[   19.112095][  T175]  devkmsg_write.cold (kernel/printk/printk.c:796)
[   19.112098][  T175]  ? vprintk_default (kernel/printk/printk.c:2494)
[   19.112100][  T175]  ? cp_old_stat (fs/stat.c:406 (discriminator 3))
[   19.112104][  T175]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.112107][  T175]  ? vprintk_default (kernel/printk/printk.c:2494)
[   19.112109][  T175]  new_sync_write (fs/read_write.c:595)
[   19.112115][  T175]  ? new_sync_read (./include/linux/ioprio.h:41)
[   19.112119][  T175]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.112124][  T175]  ? __fget_files (./include/linux/rcupdate.h:882 fs/file.c:1100)
[   19.112128][  T175]  vfs_write (fs/read_write.c:687)
[   19.112132][  T175]  ksys_write (fs/read_write.c:739)
[   19.112135][  T175]  ? __ia32_sys_read (fs/read_write.c:723)
[   19.112137][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.112141][  T175]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   19.112145][  T175]  ? irq_exit_rcu (kernel/softirq.c:786)
[   19.112148][  T175]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.112151][  T175] RIP: 0033:0x7f8ad2d91312
[   19.112155][  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)
[   19.112157][  T175] RSP: 002b:00007ffe0864e3b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   19.112160][  T175] RAX: ffffffffffffffda RBX: 0000000000000316 RCX: 00007f8ad2d91312
[   19.112162][  T175] RDX: 0000000000000316 RSI: 000055856184ef10 RDI: 000000000000000b
[   19.112163][  T175] RBP: 00007ffe0864e3e0 R08: 0000000000000000 R09: 0000000000000000
[   19.112164][  T175] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8ad2bfe390
[   19.112165][  T175] R13: 000055856184ef10 R14: 000000000000000b R15: 00007f8ad2b8d0d0
| [   20.116522][  T175] softirqs last disabled at (657523): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   20.116525][  T175] Preemption disabled at:
| [   20.116526][  T175] vprintk_emit (kernel/printk/printk.c:2471)
| [   20.116535][  T175] Tainted: [W]=WARN
[   20.116536][  T175] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.116539][  T175] Call Trace:
[   20.116540][  T175]  <TASK>
[   20.116542][  T175]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   20.116548][  T175]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   20.116550][  T175]  __might_resched.cold (kernel/sched/core.c:9234)
[   20.116555][  T175]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   20.116559][  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)
[   20.116565][  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))
[   20.116568][  T175]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.116574][  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)
[   20.116577][  T175]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.116581][  T175]  put_chars (drivers/char/virtio_console.c:1176)
[   20.116585][  T175]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   20.116587][  T175]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   20.116591][  T175]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.116595][  T175]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   20.116599][  T175]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   20.116603][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.116605][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.116610][  T175]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   20.116614][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.116616][  T175]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.116621][  T175]  console_emit_next_record (kernel/printk/printk.c:3183)
[   20.116625][  T175]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   20.116630][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.116632][  T175]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.116636][  T175]  console_flush_one_record (kernel/printk/printk.c:3268)
[   20.116641][  T175]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   20.116643][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.116649][  T175]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   20.116653][  T175]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   20.116655][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.116657][  T175]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   20.116661][  T175]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   20.116663][  T175]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   20.116666][  T175]  vprintk_emit (kernel/printk/printk.c:2479)
[   20.116670][  T175]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   20.116671][  T175]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.116673][  T175]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   20.116675][  T175]  ? enabled_store (./include/linux/console.h:573 drivers/net/netconsole.c:1037) netconsole
[   20.116678][  T175]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.116682][  T175]  _printk (kernel/printk/printk.c:2504)
[   20.116686][  T175]  ? snapshot_read.cold (user.c:?)
[   20.116690][  T175]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999)
[   20.116694][  T175]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1))
[   20.116699][  T175]  ? __mutex_unlock_slowpath (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:4480 kernel/locking/mutex.c:1021)
[   20.116702][  T175] netconsole_print_banner (drivers/net/netconsole.c:729 (discriminator 1)) netconsole
[   20.116707][  T175] enabled_store.cold (drivers/net/netconsole.c:1054) netconsole
[   20.116709][  T175]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   20.116713][  T175]  ? netconsole_write_ext (drivers/net/netconsole.c:2504) netconsole
[   20.116716][  T175]  ? down_write_killable_nested (./arch/x86/include/asm/atomic64_64.h:20)
[   20.116718][  T175]  ? __kmalloc_cache_noprof (mm/slub.c:4986 (discriminator 1) mm/slub.c:5559 (discriminator 1))
[   20.116721][  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))
[   20.116725][  T175]  ? netconsole_write_ext (drivers/net/netconsole.c:2504) netconsole
[   20.116727][  T175]  configfs_write_iter (fs/configfs/file.c:207 fs/configfs/file.c:229)
[   20.116730][  T175]  ? configfs_bin_write_iter (fs/configfs/file.c:287 (discriminator 1))
[   20.116733][  T175]  new_sync_write (fs/read_write.c:595)
[   20.116736][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.116739][  T175]  ? new_sync_read (./include/linux/ioprio.h:41)
[   20.116743][  T175]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.116746][  T175]  ? ksys_write (fs/read_write.c:739)
[   20.116753][  T175]  vfs_write (fs/read_write.c:687)
[   20.116757][  T175]  ksys_write (fs/read_write.c:739)
[   20.116760][  T175]  ? __ia32_sys_read (fs/read_write.c:723)
[   20.116763][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.116766][  T175]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   20.116769][  T175]  ? irq_exit_rcu (kernel/softirq.c:786)
[   20.116772][  T175]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.116775][  T175] RIP: 0033:0x7f8ad2d91312
[   20.116779][  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)
[   20.116781][  T175] RSP: 002b:00007ffe0864e3b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   20.116784][  T175] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f8ad2d91312
[   20.116785][  T175] RDX: 0000000000000001 RSI: 000055856184ef10 RDI: 000000000000000b
[   20.116786][  T175] RBP: 00007ffe0864e3e0 R08: 0000000000000000 R09: 0000000000000000
[   20.116787][  T175] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8ad2bfe390
[   20.116788][  T175] R13: 000055856184ef10 R14: 000000000000000b R15: 00007f8ad2b8d0d0
| [   21.317730][  T175] softirqs last disabled at (768025): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   21.317732][  T175] Preemption disabled at:
| [   21.317733][  T175] vprintk_emit (kernel/printk/printk.c:2471)
| [   21.317742][  T175] Tainted: [W]=WARN
[   21.317743][  T175] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.317745][  T175] Call Trace:
[   21.317747][  T175]  <TASK>
[   21.317749][  T175]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   21.317755][  T175]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   21.317757][  T175]  __might_resched.cold (kernel/sched/core.c:9234)
[   21.317762][  T175]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   21.317766][  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)
[   21.317771][  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))
[   21.317774][  T175]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.317781][  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)
[   21.317783][  T175]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.317787][  T175]  put_chars (drivers/char/virtio_console.c:1176)
[   21.317790][  T175]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   21.317792][  T175]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   21.317796][  T175]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.317800][  T175]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   21.317804][  T175]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   21.317808][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.317810][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.317814][  T175]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   21.317818][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.317820][  T175]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.317824][  T175]  console_emit_next_record (kernel/printk/printk.c:3183)
[   21.317829][  T175]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   21.317833][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.317835][  T175]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.317839][  T175]  console_flush_one_record (kernel/printk/printk.c:3268)
[   21.317844][  T175]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   21.317846][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.317852][  T175]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   21.317855][  T175]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   21.317857][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.317859][  T175]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   21.317863][  T175]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   21.317865][  T175]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   21.317868][  T175]  vprintk_emit (kernel/printk/printk.c:2479)
[   21.317871][  T175]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   21.317874][  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)
[   21.317879][  T175]  devkmsg_emit.constprop.0 (kernel/printk/printk.c:733)
[   21.317883][  T175]  ? vprintk_emit.cold (kernel/printk/printk.c:2449)
[   21.317887][  T175]  ? __kmalloc_noprof (mm/slub.c:5415 mm/slub.c:5439)
[   21.317889][  T175]  ? idr_get_free (??:?)
[   21.317894][  T175]  ? devkmsg_write (./include/linux/slab.h:995 kernel/printk/printk.c:762)
[   21.317897][  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)
[   21.317899][  T175]  devkmsg_write.cold (kernel/printk/printk.c:796)
[   21.317902][  T175]  ? vprintk_default (kernel/printk/printk.c:2494)
[   21.317904][  T175]  ? cp_old_stat (fs/stat.c:406 (discriminator 3))
[   21.317908][  T175]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   21.317910][  T175]  ? vprintk_default (kernel/printk/printk.c:2494)
[   21.317913][  T175]  new_sync_write (fs/read_write.c:595)
[   21.317918][  T175]  ? new_sync_read (./include/linux/ioprio.h:41)
[   21.317923][  T175]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   21.317928][  T175]  ? __fget_files (./include/linux/rcupdate.h:882 fs/file.c:1100)
[   21.317932][  T175]  vfs_write (fs/read_write.c:687)
[   21.317936][  T175]  ksys_write (fs/read_write.c:739)
[   21.317938][  T175]  ? __ia32_sys_read (fs/read_write.c:723)
[   21.317941][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.317944][  T175]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   21.317947][  T175]  ? irq_exit_rcu (kernel/softirq.c:786)
[   21.317950][  T175]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.317953][  T175] RIP: 0033:0x7f8ad2d91312
[   21.317957][  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)
[   21.317959][  T175] RSP: 002b:00007ffe0864e3b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   21.317962][  T175] RAX: ffffffffffffffda RBX: 0000000000000316 RCX: 00007f8ad2d91312
[   21.317963][  T175] RDX: 0000000000000316 RSI: 000055856184ef10 RDI: 000000000000000b
[   21.317964][  T175] RBP: 00007ffe0864e3e0 R08: 0000000000000000 R09: 0000000000000000
[   21.317965][  T175] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8ad2bfe390


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