======================================
| [   10.799919][  T176] softirqs last disabled at (31563): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   10.799921][  T176] Preemption disabled at:
| [   10.799922][  T176] vprintk_emit (kernel/printk/printk.c:2471)
| [   10.799931][  T176] Tainted: [W]=WARN
[   10.799932][  T176] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.799933][  T176] Call Trace:
[   10.799935][  T176]  <TASK>
[   10.799937][  T176]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.799942][  T176]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   10.799944][  T176]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.799949][  T176]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.799953][  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)
[   10.799959][  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))
[   10.799962][  T176]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.799968][  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)
[   10.799971][  T176]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.799975][  T176]  put_chars (drivers/char/virtio_console.c:1176)
[   10.799978][  T176]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.799982][  T176]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.799987][  T176]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.799994][  T176]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.799997][  T176]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.800000][  T176]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.800004][  T176]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.800008][  T176]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.800013][  T176]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.800015][  T176]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.800019][  T176]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.800024][  T176]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.800026][  T176]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.800031][  T176]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.800034][  T176]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.800036][  T176]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.800038][  T176]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.800042][  T176]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.800044][  T176]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.800047][  T176]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.800050][  T176]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.800051][  T176]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.800055][  T176]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.800056][  T176]  ? fast_dput (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) fs/dcache.c:948 (discriminator 2))
[   10.800061][  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
[   10.800065][  T176]  _printk (kernel/printk/printk.c:2504)
[   10.800069][  T176]  ? snapshot_read.cold (user.c:?)
[   10.800072][  T176]  ? __up_write (kernel/locking/rwsem.c:1422 (discriminator 1))
[   10.800075][  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
[   10.800079][  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)
[   10.800084][  T176] init_netconsole (drivers/net/netconsole.c:1286) netconsole
[   10.800087][  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
[   10.800094][  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
[   10.800097][  T176]  do_one_initcall (init/main.c:1357)
[   10.800100][  T176]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   10.800105][  T176]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   10.800107][  T176]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   10.800112][  T176]  do_init_module (kernel/module/main.c:3117)
[   10.800115][  T176]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   10.800119][  T176]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   10.800122][  T176]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   10.800126][  T176]  load_module (kernel/module/main.c:3593)
[   10.800133][  T176]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   10.800137][  T176]  ? __ia32_sys_fsconfig (??:?)
[   10.800140][  T176]  ? add_chain_cache (kernel/locking/lockdep.c:3782)
[   10.800145][  T176]  init_module_from_file (kernel/module/main.c:3790)
[   10.800148][  T176]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   10.800155][  T176]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.800159][  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)
[   10.800167][  T176]  idempotent_init_module (kernel/module/main.c:3802)
[   10.800170][  T176]  ? init_module_from_file (kernel/module/main.c:3791)
[   10.800176][  T176]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.800178][  T176]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   10.800183][  T176]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   10.800185][  T176]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.800189][  T176]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.800191][  T176]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.800194][  T176]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.800196][  T176] RIP: 0033:0x7fe8292c937d
[   10.800200][  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
[   10.800202][  T176] RSP: 002b:00007ffcddba2b68 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   10.800204][  T176] RAX: ffffffffffffffda RBX: 000055d26fdf5700 RCX: 00007fe8292c937d
[   10.800206][  T176] RDX: 0000000000000000 RSI: 000055d252018ffd RDI: 0000000000000005
[   10.800206][  T176] RBP: 00007ffcddba2c00 R08: 0000000000000000 R09: 0000000000000000
[   10.800207][  T176] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d252018ffd
[   10.800208][  T176] R13: 000055d26fdf5810 R14: 0000000000040000 R15: 0000000000000000
| [   12.715923][  T175] softirqs last disabled at (385115): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   12.715926][  T175] Preemption disabled at:
| [   12.715927][  T175] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.715936][  T175] Tainted: [W]=WARN
[   12.715937][  T175] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.715939][  T175] Call Trace:
[   12.715940][  T175]  <TASK>
[   12.715942][  T175]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.715949][  T175]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.715951][  T175]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.715956][  T175]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.715960][  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)
[   12.715966][  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))
[   12.715969][  T175]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.715977][  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)
[   12.715980][  T175]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.715984][  T175]  put_chars (drivers/char/virtio_console.c:1176)
[   12.715987][  T175]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.715989][  T175]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   12.715994][  T175]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   12.715999][  T175]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.716002][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.716004][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.716009][  T175]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.716013][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.716017][  T175]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.716022][  T175]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.716026][  T175]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.716031][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.716033][  T175]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.716038][  T175]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.716043][  T175]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.716045][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.716051][  T175]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.716055][  T175]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.716057][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.716059][  T175]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.716063][  T175]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.716065][  T175]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.716068][  T175]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.716072][  T175]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.716078][  T175]  _printk (kernel/printk/printk.c:2504)
[   12.716083][  T175]  ? snapshot_read.cold (user.c:?)
[   12.716087][  T175]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   12.716090][  T175]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   12.716096][  T175]  register_console (kernel/printk/printk.c:4212 (discriminator 7))
[   12.716100][  T175]  ? get_init_console_seq.constprop.0.isra.0 (kernel/printk/printk.c:4018)
[   12.716102][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.716110][  T175] enabled_store (drivers/net/netconsole.c:1039) netconsole
[   12.716113][  T175]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   12.716117][  T175]  ? netconsole_write_ext (drivers/net/netconsole.c:2504) netconsole
[   12.716119][  T175]  ? down_write_killable_nested (./arch/x86/include/asm/atomic64_64.h:20)
[   12.716122][  T175]  ? __kmalloc_cache_noprof (mm/slub.c:4986 (discriminator 1) mm/slub.c:5559 (discriminator 1))
[   12.716125][  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))
[   12.716129][  T175]  ? netconsole_write_ext (drivers/net/netconsole.c:2504) netconsole
[   12.716131][  T175]  configfs_write_iter (fs/configfs/file.c:207 fs/configfs/file.c:229)
[   12.716134][  T175]  ? configfs_bin_write_iter (fs/configfs/file.c:287 (discriminator 1))
[   12.716137][  T175]  new_sync_write (fs/read_write.c:595)
[   12.716141][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.716144][  T175]  ? new_sync_read (./include/linux/ioprio.h:41)
[   12.716148][  T175]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.716150][  T175]  ? ksys_write (fs/read_write.c:739)
[   12.716157][  T175]  vfs_write (fs/read_write.c:687)
[   12.716161][  T175]  ksys_write (fs/read_write.c:739)
[   12.716164][  T175]  ? __ia32_sys_read (fs/read_write.c:723)
[   12.716167][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.716170][  T175]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.716173][  T175]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.716183][  T175]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.716185][  T175] RIP: 0033:0x7f405f0d4312
[   12.716189][  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)
[   12.716191][  T175] RSP: 002b:00007ffe64788628 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   12.716194][  T175] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f405f0d4312
[   12.716196][  T175] RDX: 0000000000000001 RSI: 000055c7e3d69f10 RDI: 0000000000000010
[   12.716197][  T175] RBP: 00007ffe64788650 R08: 0000000000000000 R09: 0000000000000000
[   12.716198][  T175] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f405ef41390
[   12.716199][  T175] R13: 000055c7e3d69f10 R14: 0000000000000010 R15: 00007f405eecd0d0
| [   13.719751][  T175] softirqs last disabled at (420586): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   13.719754][  T175] Preemption disabled at:
| [   13.719754][  T175] vprintk_emit (kernel/printk/printk.c:2471)
| [   13.719763][  T175] Tainted: [W]=WARN
[   13.719764][  T175] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.719766][  T175] Call Trace:
[   13.719768][  T175]  <TASK>
[   13.719770][  T175]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.719776][  T175]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   13.719778][  T175]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.719783][  T175]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.719787][  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)
[   13.719792][  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))
[   13.719795][  T175]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.719802][  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)
[   13.719805][  T175]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.719808][  T175]  put_chars (drivers/char/virtio_console.c:1176)
[   13.719812][  T175]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.719814][  T175]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.719818][  T175]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.719821][  T175]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.719827][  T175]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.719830][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.719835][  T175]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.719839][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.719844][  T175]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.719848][  T175]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.719853][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.719855][  T175]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.719860][  T175]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.719865][  T175]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.719867][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.719873][  T175]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.719876][  T175]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.719878][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.719880][  T175]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   13.719884][  T175]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.719886][  T175]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.719889][  T175]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.719893][  T175]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.719895][  T175]  ? rcu_gp_is_expedited (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 kernel/rcu/update.c:196)
[   13.719897][  T175]  ? synchronize_rcu (kernel/rcu/tree.c:3410)
[   13.719902][  T175]  _printk (kernel/printk/printk.c:2504)
[   13.719906][  T175]  ? snapshot_read.cold (user.c:?)
[   13.719908][  T175]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.719912][  T175]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   13.719914][  T175]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   13.719918][  T175]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   13.719921][  T175]  ? __free_object (./include/linux/irqflags.h:266 (discriminator 6) lib/debugobjects.c:536 (discriminator 6))
[   13.719926][  T175] enabled_store.cold (drivers/net/netconsole.c:1071 (discriminator 1)) netconsole
[   13.719929][  T175]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   13.719933][  T175]  ? netconsole_write_ext (drivers/net/netconsole.c:2504) netconsole
[   13.719936][  T175]  ? down_write_killable_nested (./arch/x86/include/asm/atomic64_64.h:20)
[   13.719938][  T175]  ? __kmalloc_cache_noprof (mm/slub.c:4986 (discriminator 1) mm/slub.c:5559 (discriminator 1))
[   13.719941][  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))
[   13.719945][  T175]  ? netconsole_write_ext (drivers/net/netconsole.c:2504) netconsole
[   13.719947][  T175]  configfs_write_iter (fs/configfs/file.c:207 fs/configfs/file.c:229)
[   13.719950][  T175]  ? configfs_bin_write_iter (fs/configfs/file.c:287 (discriminator 1))
[   13.719953][  T175]  new_sync_write (fs/read_write.c:595)
[   13.719956][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.719960][  T175]  ? new_sync_read (./include/linux/ioprio.h:41)
[   13.719964][  T175]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.719966][  T175]  ? ksys_write (fs/read_write.c:739)
[   13.719973][  T175]  vfs_write (fs/read_write.c:687)
[   13.719977][  T175]  ksys_write (fs/read_write.c:739)
[   13.719980][  T175]  ? __ia32_sys_read (fs/read_write.c:723)
[   13.719983][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.719986][  T175]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.719989][  T175]  ? irq_exit_rcu (kernel/softirq.c:786)
[   13.719993][  T175]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.719996][  T175] RIP: 0033:0x7f405f0d4312
[   13.720000][  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)
[   13.720001][  T175] RSP: 002b:00007ffe64788628 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   13.720005][  T175] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f405f0d4312
[   13.720006][  T175] RDX: 0000000000000001 RSI: 000055c7e3d69f10 RDI: 000000000000000b
[   13.720007][  T175] RBP: 00007ffe64788650 R08: 0000000000000000 R09: 0000000000000000
[   13.720008][  T175] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f405ef41390
[   13.720009][  T175] R13: 000055c7e3d69f10 R14: 000000000000000b R15: 00007f405eecd0d0
| [   15.087140][  T175] softirqs last disabled at (453913): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   15.087143][  T175] Preemption disabled at:
| [   15.087144][  T175] vprintk_emit (kernel/printk/printk.c:2471)
| [   15.087153][  T175] Tainted: [W]=WARN
[   15.087154][  T175] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.087156][  T175] Call Trace:
[   15.087157][  T175]  <TASK>
[   15.087159][  T175]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   15.087165][  T175]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   15.087167][  T175]  __might_resched.cold (kernel/sched/core.c:9234)
[   15.087172][  T175]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   15.087176][  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)
[   15.087182][  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))
[   15.087184][  T175]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.087191][  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)
[   15.087202][  T175]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.087206][  T175]  put_chars (drivers/char/virtio_console.c:1176)
[   15.087210][  T175]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   15.087212][  T175]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   15.087215][  T175]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.087219][  T175]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.087224][  T175]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   15.087227][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.087229][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.087234][  T175]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   15.087238][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.087240][  T175]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.087244][  T175]  console_emit_next_record (kernel/printk/printk.c:3183)
[   15.087248][  T175]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   15.087253][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.087255][  T175]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.087259][  T175]  console_flush_one_record (kernel/printk/printk.c:3268)
[   15.087263][  T175]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   15.087265][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.087271][  T175]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   15.087274][  T175]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   15.087276][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.087278][  T175]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   15.087282][  T175]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   15.087284][  T175]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   15.087287][  T175]  vprintk_emit (kernel/printk/printk.c:2479)
[   15.087290][  T175]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   15.087292][  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)
[   15.087298][  T175]  devkmsg_emit.constprop.0 (kernel/printk/printk.c:733)
[   15.087301][  T175]  ? vprintk_emit.cold (kernel/printk/printk.c:2449)
[   15.087305][  T175]  ? __kmalloc_noprof (mm/slub.c:5415 mm/slub.c:5439)
[   15.087308][  T175]  ? idr_get_free (??:?)
[   15.087312][  T175]  ? devkmsg_write (./include/linux/slab.h:995 kernel/printk/printk.c:762)
[   15.087314][  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)
[   15.087317][  T175]  devkmsg_write.cold (kernel/printk/printk.c:796)
[   15.087320][  T175]  ? vprintk_default (kernel/printk/printk.c:2494)
[   15.087322][  T175]  ? cp_old_stat (fs/stat.c:406 (discriminator 3))
[   15.087325][  T175]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.087328][  T175]  ? vprintk_default (kernel/printk/printk.c:2494)
[   15.087331][  T175]  new_sync_write (fs/read_write.c:595)
[   15.087336][  T175]  ? new_sync_read (./include/linux/ioprio.h:41)
[   15.087340][  T175]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.087345][  T175]  ? __fget_files (./include/linux/rcupdate.h:882 fs/file.c:1100)
[   15.087349][  T175]  vfs_write (fs/read_write.c:687)
[   15.087353][  T175]  ksys_write (fs/read_write.c:739)
[   15.087356][  T175]  ? __ia32_sys_read (fs/read_write.c:723)
[   15.087358][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.087362][  T175]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   15.087364][  T175]  ? common_interrupt (arch/x86/kernel/irq.c:273 (discriminator 18))
[   15.087367][  T175]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.087369][  T175] RIP: 0033:0x7f405f0d4312
[   15.087374][  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)
[   15.087376][  T175] RSP: 002b:00007ffe64788628 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   15.087379][  T175] RAX: ffffffffffffffda RBX: 00000000000002ee RCX: 00007f405f0d4312
[   15.087380][  T175] RDX: 00000000000002ee RSI: 000055c7e3d69f10 RDI: 000000000000000b
[   15.087382][  T175] RBP: 00007ffe64788650 R08: 0000000000000000 R09: 0000000000000000
[   15.087383][  T175] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f405ef41390
[   15.087384][  T175] R13: 000055c7e3d69f10 R14: 000000000000000b R15: 00007f405eecd0d0
| [   16.173912][  T175] softirqs last disabled at (530533): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   16.173916][  T175] Preemption disabled at:
| [   16.173917][  T175] vprintk_emit (kernel/printk/printk.c:2471)
| [   16.173929][  T175] Tainted: [W]=WARN
[   16.173930][  T175] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.173933][  T175] Call Trace:
[   16.173935][  T175]  <TASK>
[   16.173938][  T175]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   16.173945][  T175]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   16.173948][  T175]  __might_resched.cold (kernel/sched/core.c:9234)
[   16.173954][  T175]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   16.173960][  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)
[   16.173969][  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))
[   16.173973][  T175]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.173983][  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)
[   16.173987][  T175]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.173993][  T175]  put_chars (drivers/char/virtio_console.c:1176)
[   16.173997][  T175]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   16.174000][  T175]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   16.174006][  T175]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.174012][  T175]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.174020][  T175]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   16.174024][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.174027][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.174035][  T175]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   16.174042][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.174045][  T175]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.174053][  T175]  console_emit_next_record (kernel/printk/printk.c:3183)
[   16.174059][  T175]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   16.174067][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.174070][  T175]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.174077][  T175]  console_flush_one_record (kernel/printk/printk.c:3268)
[   16.174084][  T175]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   16.174088][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.174097][  T175]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   16.174102][  T175]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   16.174105][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.174109][  T175]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   16.174116][  T175]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   16.174119][  T175]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   16.174125][  T175]  vprintk_emit (kernel/printk/printk.c:2479)
[   16.174130][  T175]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   16.174136][  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)
[   16.174145][  T175]  devkmsg_emit.constprop.0 (kernel/printk/printk.c:733)
[   16.174150][  T175]  ? vprintk_emit.cold (kernel/printk/printk.c:2449)
[   16.174157][  T175]  ? __kmalloc_noprof (mm/slub.c:5415 mm/slub.c:5439)
[   16.174161][  T175]  ? idr_get_free (??:?)
[   16.174166][  T175]  ? devkmsg_write (./include/linux/slab.h:995 kernel/printk/printk.c:762)
[   16.174171][  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)
[   16.174175][  T175]  devkmsg_write.cold (kernel/printk/printk.c:796)
[   16.174180][  T175]  ? vprintk_default (kernel/printk/printk.c:2494)
[   16.174184][  T175]  ? cp_old_stat (fs/stat.c:406 (discriminator 3))
[   16.174189][  T175]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.174194][  T175]  ? vprintk_default (kernel/printk/printk.c:2494)
[   16.174198][  T175]  new_sync_write (fs/read_write.c:595)
[   16.174211][  T175]  ? new_sync_read (./include/linux/ioprio.h:41)
[   16.174219][  T175]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.174228][  T175]  ? __fget_files (./include/linux/rcupdate.h:882 fs/file.c:1100)
[   16.174234][  T175]  vfs_write (fs/read_write.c:687)
[   16.174241][  T175]  ksys_write (fs/read_write.c:739)
[   16.174246][  T175]  ? __ia32_sys_read (fs/read_write.c:723)
[   16.174251][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.174257][  T175]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   16.174261][  T175]  ? irq_exit_rcu (kernel/softirq.c:786)
[   16.174266][  T175]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.174270][  T175] RIP: 0033:0x7f405f0d4312
[   16.174275][  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)
[   16.174278][  T175] RSP: 002b:00007ffe64788628 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   16.174282][  T175] RAX: ffffffffffffffda RBX: 00000000000002ee RCX: 00007f405f0d4312
[   16.174284][  T175] RDX: 00000000000002ee RSI: 000055c7e3d69f10 RDI: 000000000000000b
[   16.174286][  T175] RBP: 00007ffe64788650 R08: 0000000000000000 R09: 0000000000000000
[   16.174288][  T175] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f405ef41390
[   16.174289][  T175] R13: 000055c7e3d69f10 R14: 000000000000000b R15: 00007f405eecd0d0
| [   17.294055][  T175] softirqs last disabled at (571375): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   17.294058][  T175] Preemption disabled at:
| [   17.294059][  T175] vprintk_emit (kernel/printk/printk.c:2471)
| [   17.294068][  T175] Tainted: [W]=WARN
[   17.294069][  T175] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.294072][  T175] Call Trace:
[   17.294074][  T175]  <TASK>
[   17.294075][  T175]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   17.294081][  T175]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   17.294083][  T175]  __might_resched.cold (kernel/sched/core.c:9234)
[   17.294087][  T175]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   17.294092][  T175]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   17.294097][  T175]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   17.294100][  T175]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.294107][  T175]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   17.294110][  T175]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.294114][  T175]  put_chars (drivers/char/virtio_console.c:1176)
[   17.294117][  T175]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   17.294119][  T175]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   17.294123][  T175]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.294126][  T175]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   17.294131][  T175]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   17.294134][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.294136][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.294141][  T175]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   17.294144][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.294147][  T175]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.294151][  T175]  console_emit_next_record (kernel/printk/printk.c:3183)
[   17.294155][  T175]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   17.294159][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.294161][  T175]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.294166][  T175]  console_flush_one_record (kernel/printk/printk.c:3268)
[   17.294170][  T175]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   17.294172][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.294177][  T175]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   17.294180][  T175]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   17.294182][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.294184][  T175]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   17.294188][  T175]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   17.294190][  T175]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   17.294193][  T175]  vprintk_emit (kernel/printk/printk.c:2479)
[   17.294196][  T175]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   17.294199][  T175]  ? _copy_from_iter (./include/linux/instrumented.h:146 lib/iov_iter.c:66 ./include/linux/iov_iter.h:30 ./include/linux/iov_iter.h:302 ./include/linux/iov_iter.h:330 lib/iov_iter.c:261 lib/iov_iter.c:272)
[   17.294204][  T175]  devkmsg_emit.constprop.0 (kernel/printk/printk.c:733)
[   17.294208][  T175]  ? vprintk_emit.cold (kernel/printk/printk.c:2449)
[   17.294218][  T175]  ? __kmalloc_noprof (mm/slub.c:5415 mm/slub.c:5439)
[   17.294220][  T175]  ? idr_get_free (??:?)
[   17.294224][  T175]  ? devkmsg_write (./include/linux/slab.h:995 kernel/printk/printk.c:762)
[   17.294226][  T175]  ? _copy_from_iter (./include/linux/instrumented.h:146 lib/iov_iter.c:66 ./include/linux/iov_iter.h:30 ./include/linux/iov_iter.h:302 ./include/linux/iov_iter.h:330 lib/iov_iter.c:261 lib/iov_iter.c:272)
[   17.294229][  T175]  devkmsg_write.cold (kernel/printk/printk.c:796)
[   17.294232][  T175]  ? vprintk_default (kernel/printk/printk.c:2494)
[   17.294234][  T175]  ? cp_old_stat (fs/stat.c:406 (discriminator 3))
[   17.294238][  T175]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   17.294241][  T175]  ? vprintk_default (kernel/printk/printk.c:2494)
[   17.294243][  T175]  new_sync_write (fs/read_write.c:595)
[   17.294248][  T175]  ? new_sync_read (./include/linux/ioprio.h:41)
[   17.294252][  T175]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   17.294257][  T175]  ? __fget_files (./include/linux/rcupdate.h:882 fs/file.c:1100)
[   17.294261][  T175]  vfs_write (fs/read_write.c:687)
[   17.294265][  T175]  ksys_write (fs/read_write.c:739)
[   17.294268][  T175]  ? __ia32_sys_read (fs/read_write.c:723)
[   17.294270][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.294273][  T175]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   17.294276][  T175]  ? irq_exit_rcu (kernel/softirq.c:786)
[   17.294279][  T175]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.294282][  T175] RIP: 0033:0x7f405f0d4312
[   17.294286][  T175] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[   17.294287][  T175] RSP: 002b:00007ffe64788628 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   17.294291][  T175] RAX: ffffffffffffffda RBX: 00000000000002ee RCX: 00007f405f0d4312
[   17.294292][  T175] RDX: 00000000000002ee RSI: 000055c7e3d69f10 RDI: 000000000000000b
[   17.294293][  T175] RBP: 00007ffe64788650 R08: 0000000000000000 R09: 0000000000000000
[   17.294294][  T175] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f405ef41390
[   17.294295][  T175] R13: 000055c7e3d69f10 R14: 000000000000000b R15: 00007f405eecd0d0
| [   18.309862][  T175] softirqs last disabled at (588543): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   18.309865][  T175] Preemption disabled at:
| [   18.309866][  T175] vprintk_emit (kernel/printk/printk.c:2471)
| [   18.309875][  T175] Tainted: [W]=WARN
[   18.309876][  T175] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.309878][  T175] Call Trace:
[   18.309880][  T175]  <TASK>
[   18.309882][  T175]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   18.309887][  T175]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   18.309889][  T175]  __might_resched.cold (kernel/sched/core.c:9234)
[   18.309894][  T175]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   18.309898][  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)
[   18.309904][  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))
[   18.309907][  T175]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.309914][  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)
[   18.309917][  T175]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.309921][  T175]  put_chars (drivers/char/virtio_console.c:1176)
[   18.309925][  T175]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   18.309927][  T175]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   18.309931][  T175]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.309935][  T175]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   18.309939][  T175]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   18.309943][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.309945][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.309950][  T175]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   18.309953][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.309956][  T175]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.309960][  T175]  console_emit_next_record (kernel/printk/printk.c:3183)
[   18.309965][  T175]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   18.309969][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.309972][  T175]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.309977][  T175]  console_flush_one_record (kernel/printk/printk.c:3268)
[   18.309981][  T175]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   18.309983][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.309989][  T175]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   18.309992][  T175]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   18.309995][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.309996][  T175]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   18.310000][  T175]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   18.310002][  T175]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   18.310005][  T175]  vprintk_emit (kernel/printk/printk.c:2479)
[   18.310009][  T175]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   18.310011][  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)
[   18.310017][  T175]  devkmsg_emit.constprop.0 (kernel/printk/printk.c:733)
[   18.310021][  T175]  ? vprintk_emit.cold (kernel/printk/printk.c:2449)
[   18.310025][  T175]  ? __kmalloc_noprof (mm/slub.c:5415 mm/slub.c:5439)
[   18.310027][  T175]  ? idr_get_free (??:?)
[   18.310031][  T175]  ? devkmsg_write (./include/linux/slab.h:995 kernel/printk/printk.c:762)
[   18.310034][  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)
[   18.310036][  T175]  devkmsg_write.cold (kernel/printk/printk.c:796)
[   18.310039][  T175]  ? vprintk_default (kernel/printk/printk.c:2494)
[   18.310041][  T175]  ? cp_old_stat (fs/stat.c:406 (discriminator 3))
[   18.310045][  T175]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.310048][  T175]  ? vprintk_default (kernel/printk/printk.c:2494)
[   18.310050][  T175]  new_sync_write (fs/read_write.c:595)
[   18.310056][  T175]  ? new_sync_read (./include/linux/ioprio.h:41)
[   18.310060][  T175]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.310065][  T175]  ? __fget_files (./include/linux/rcupdate.h:882 fs/file.c:1100)
[   18.310069][  T175]  vfs_write (fs/read_write.c:687)
[   18.310074][  T175]  ksys_write (fs/read_write.c:739)
[   18.310076][  T175]  ? __ia32_sys_read (fs/read_write.c:723)
[   18.310079][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.310082][  T175]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   18.310086][  T175]  ? irq_exit_rcu (kernel/softirq.c:786)
[   18.310089][  T175]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.310091][  T175] RIP: 0033:0x7f405f0d4312
[   18.310095][  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)
[   18.310097][  T175] RSP: 002b:00007ffe64788628 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   18.310100][  T175] RAX: ffffffffffffffda RBX: 0000000000000316 RCX: 00007f405f0d4312
[   18.310102][  T175] RDX: 0000000000000316 RSI: 000055c7e3d69f10 RDI: 000000000000000b
[   18.310103][  T175] RBP: 00007ffe64788650 R08: 0000000000000000 R09: 0000000000000000
[   18.310104][  T175] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f405ef41390
[   18.310105][  T175] R13: 000055c7e3d69f10 R14: 000000000000000b R15: 00007f405eecd0d0
| [   19.737344][  T175] softirqs last disabled at (638045): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   19.737346][  T175] Preemption disabled at:
| [   19.737347][  T175] vprintk_emit (kernel/printk/printk.c:2471)
| [   19.737357][  T175] Tainted: [W]=WARN
[   19.737358][  T175] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.737360][  T175] Call Trace:
[   19.737361][  T175]  <TASK>
[   19.737363][  T175]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   19.737369][  T175]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   19.737371][  T175]  __might_resched.cold (kernel/sched/core.c:9234)
[   19.737376][  T175]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   19.737380][  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)
[   19.737386][  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))
[   19.737391][  T175]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.737397][  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)
[   19.737400][  T175]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.737404][  T175]  put_chars (drivers/char/virtio_console.c:1176)
[   19.737408][  T175]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   19.737410][  T175]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   19.737414][  T175]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   19.737417][  T175]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   19.737422][  T175]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   19.737426][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.737428][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.737432][  T175]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   19.737436][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.737439][  T175]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.737443][  T175]  console_emit_next_record (kernel/printk/printk.c:3183)
[   19.737447][  T175]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   19.737452][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.737453][  T175]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.737458][  T175]  console_flush_one_record (kernel/printk/printk.c:3268)
[   19.737462][  T175]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   19.737464][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.737470][  T175]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   19.737473][  T175]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   19.737475][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.737477][  T175]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   19.737481][  T175]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   19.737483][  T175]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   19.737486][  T175]  vprintk_emit (kernel/printk/printk.c:2479)
[   19.737489][  T175]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   19.737492][  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)
[   19.737497][  T175]  devkmsg_emit.constprop.0 (kernel/printk/printk.c:733)
[   19.737501][  T175]  ? vprintk_emit.cold (kernel/printk/printk.c:2449)
[   19.737505][  T175]  ? __kmalloc_noprof (mm/slub.c:5415 mm/slub.c:5439)
[   19.737507][  T175]  ? idr_get_free (??:?)
[   19.737511][  T175]  ? devkmsg_write (./include/linux/slab.h:995 kernel/printk/printk.c:762)
[   19.737514][  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)
[   19.737516][  T175]  devkmsg_write.cold (kernel/printk/printk.c:796)
[   19.737519][  T175]  ? vprintk_default (kernel/printk/printk.c:2494)
[   19.737521][  T175]  ? cp_old_stat (fs/stat.c:406 (discriminator 3))
[   19.737525][  T175]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.737528][  T175]  ? vprintk_default (kernel/printk/printk.c:2494)
[   19.737531][  T175]  new_sync_write (fs/read_write.c:595)
[   19.737536][  T175]  ? new_sync_read (./include/linux/ioprio.h:41)
[   19.737540][  T175]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.737545][  T175]  ? __fget_files (./include/linux/rcupdate.h:882 fs/file.c:1100)
[   19.737549][  T175]  vfs_write (fs/read_write.c:687)
[   19.737554][  T175]  ksys_write (fs/read_write.c:739)
[   19.737556][  T175]  ? __ia32_sys_read (fs/read_write.c:723)
[   19.737559][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.737562][  T175]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   19.737565][  T175]  ? irq_exit_rcu (kernel/softirq.c:786)
[   19.737568][  T175]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.737571][  T175] RIP: 0033:0x7f405f0d4312
[   19.737575][  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)
[   19.737577][  T175] RSP: 002b:00007ffe64788628 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   19.737580][  T175] RAX: ffffffffffffffda RBX: 0000000000000316 RCX: 00007f405f0d4312
[   19.737582][  T175] RDX: 0000000000000316 RSI: 000055c7e3d69f10 RDI: 000000000000000b
[   19.737583][  T175] RBP: 00007ffe64788650 R08: 0000000000000000 R09: 0000000000000000
[   19.737584][  T175] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f405ef41390
[   19.737585][  T175] R13: 000055c7e3d69f10 R14: 000000000000000b R15: 00007f405eecd0d0
| [   19.903942][    C0]
| [   19.903943][    C0]
| [   19.903943][    C0] stack backtrace:
| [   19.903949][    C0] Tainted: [W]=WARN
[   19.903950][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.903952][    C0] Call Trace:
[   19.903954][    C0]  <IRQ>
[   19.903955][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   19.903961][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   19.903963][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   19.903965][    C0]  ? add_lock_to_list (./include/linux/find.h:391 kernel/locking/lockdep.c:1419 kernel/locking/lockdep.c:1450)
[   19.903969][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   19.903971][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   19.903973][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   19.903976][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.903978][    C0]  ? console_trylock_spinning (kernel/printk/printk.c:2026 (discriminator 2))
[   19.903980][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.903982][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.903985][    C0]  console_trylock_spinning (kernel/printk/printk.c:2026 (discriminator 2))
[   19.903986][    C0]  ? console_trylock_spinning (kernel/printk/printk.c:2026 (discriminator 2))
[   19.903988][    C0]  ? console_srcu_read_unlock (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/srcu.h:574 (discriminator 2) kernel/printk/printk.c:305 (discriminator 2))
[   19.903990][    C0]  vprintk_emit (kernel/printk/printk.c:2478)
[   19.903992][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   19.903994][    C0]  ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:434 kernel/time/clocksource.c:664)
[   19.903996][    C0]  _printk (kernel/printk/printk.c:2504)
[   19.903998][    C0]  ? snapshot_read.cold (user.c:?)
[   19.904000][    C0]  ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:434 kernel/time/clocksource.c:664)
[   19.904002][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.904005][    C0]  clocksource_watchdog.part.0.cold (kernel/time/clocksource.c:589 (discriminator 10) kernel/time/clocksource.c:632 (discriminator 10) kernel/time/clocksource.c:667 (discriminator 10))
[   19.904007][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   19.904009][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   19.904010][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   19.904013][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   19.904015][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   19.904018][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.904020][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.904022][    C0]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   19.904024][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   19.904027][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   19.904029][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   19.904031][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.904034][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   19.904037][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   19.904040][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   19.904042][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.904043][    C0]  handle_softirqs (kernel/softirq.c:645)
[   19.904045][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.904047][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   19.904050][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   19.904051][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   19.904053][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   19.904055][    C0]  </IRQ>
[   19.904056][    C0]  <TASK>
[   19.904056][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   19.904058][    C0] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 12) kernel/locking/spinlock.c:221 (discriminator 12))
[   19.904062][    C0] Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 c1 5f b3 fd 48 89 df e8 c9 b5 b3 fd f7 c5 00 02 00 00 75 1f 9c 58 f6 c4 02 75 2f <bf> 01 00 00 00 e8 70 7f a5 fd 65 48 83 3d af bb 6f 02 00 74 12 5b
All code
========
   0:	f5                   	cmc
   1:	53                   	push   %rbx
   2:	48 8b 74 24 10       	mov    0x10(%rsp),%rsi
   7:	48 89 fb             	mov    %rdi,%rbx
   a:	48 83 c7 18          	add    $0x18,%rdi
   e:	e8 c1 5f b3 fd       	call   0xfffffffffdb35fd4
  13:	48 89 df             	mov    %rbx,%rdi
  16:	e8 c9 b5 b3 fd       	call   0xfffffffffdb3b5e4
  1b:	f7 c5 00 02 00 00    	test   $0x200,%ebp
  21:	75 1f                	jne    0x42
  23:	9c                   	pushf
  24:	58                   	pop    %rax
  25:	f6 c4 02             	test   $0x2,%ah
  28:	75 2f                	jne    0x59
  2a:*	bf 01 00 00 00       	mov    $0x1,%edi		<-- trapping instruction
  2f:	e8 70 7f a5 fd       	call   0xfffffffffda57fa4
  34:	65 48 83 3d af bb 6f 	cmpq   $0x0,%gs:0x26fbbaf(%rip)        # 0x26fbbec
  3b:	02 00 
  3d:	74 12                	je     0x51
  3f:	5b                   	pop    %rbx

Code starting with the faulting instruction
===========================================
   0:	bf 01 00 00 00       	mov    $0x1,%edi
   5:	e8 70 7f a5 fd       	call   0xfffffffffda57f7a
   a:	65 48 83 3d af bb 6f 	cmpq   $0x0,%gs:0x26fbbaf(%rip)        # 0x26fbbc2
  11:	02 00 
  13:	74 12                	je     0x27
  15:	5b                   	pop    %rbx
[   19.904063][    C0] RSP: 0018:ffa00000007a76f8 EFLAGS: 00000246
[   19.904066][    C0] RAX: 0000000000000096 RBX: ff11000001033080 RCX: ffffffff97a1c483
[   19.904067][    C0] RDX: ff1100000c7ba380 RSI: ffffffff9848b99a RDI: ffffffff97e90860
[   19.904068][    C0] RBP: 0000000000000296 R08: 0000000000000000 R09: 0000000000000000
[   19.904069][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: ff11000021ad4000
[   19.904070][    C0] R13: ff11000021ad4000 R14: ff11000021ad1000 R15: ff11000001033080
[   19.904072][    C0]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[   19.904074][    C0]  free_to_partial_list (./include/linux/spinlock.h:425 (discriminator 3) mm/slub.c:5668 (discriminator 3))
[   19.904076][    C0]  ? qlist_free_all (mm/kasan/quarantine.c:163 (discriminator 2) mm/kasan/quarantine.c:179 (discriminator 2))
[   19.904079][    C0]  qlist_free_all (mm/kasan/quarantine.c:163 (discriminator 2) mm/kasan/quarantine.c:179 (discriminator 2))
[   19.904081][    C0]  kasan_quarantine_reduce (mm/kasan/quarantine.c:286)
[   19.904083][    C0]  __kasan_slab_alloc (mm/kasan/common.c:350)
[   19.904085][    C0]  kmem_cache_alloc_noprof (./include/linux/kasan.h:253 mm/slub.c:4683 mm/slub.c:4996 mm/slub.c:5010)
[   19.904087][    C0]  ? __alloc_object (mm/kmemleak.c:504 (discriminator 1) mm/kmemleak.c:686 (discriminator 1))
[   19.904090][    C0]  __alloc_object (mm/kmemleak.c:504 (discriminator 1) mm/kmemleak.c:686 (discriminator 1))
[   19.904092][    C0]  __create_object (mm/kmemleak.c:801)
[   19.904093][    C0]  ? kasan_save_track (mm/kasan/common.c:78)
[   19.904095][    C0]  kmem_cache_alloc_node_noprof (./include/linux/kmemleak.h:44 mm/slub.c:4696 mm/slub.c:4996 mm/slub.c:5068)
[   19.904097][    C0]  ? __alloc_skb (net/core/skbuff.c:704 (discriminator 7))
[   19.904100][    C0]  __alloc_skb (net/core/skbuff.c:704 (discriminator 7))
[   19.904101][    C0]  ? napi_skb_cache_get (./include/linux/local_lock_internal.h:60 (discriminator 1))
[   19.904103][    C0]  ? skb_do_copy_data_nocache (./include/linux/uio.h:228 ./include/linux/uio.h:245 ./include/net/sock.h:2327)
[   19.904106][    C0]  tcp_stream_alloc_skb (./include/linux/skbuff.h:1434 net/ipv4/tcp.c:931)
[   19.904107][    C0]  ? trace_tcp_sendmsg_locked (./include/trace/events/tcp.h:335 (discriminator 22))
[   19.904109][    C0]  ? tcp_stream_memory_free (./include/net/net_namespace.h:422 (discriminator 1) ./include/net/sock.h:713 (discriminator 1) ./include/net/tcp.h:2458 (discriminator 1) net/ipv4/tcp.c:514 (discriminator 1))
[   19.904111][    C0]  tcp_sendmsg_locked (net/ipv4/tcp.c:1257)
[   19.904114][    C0]  ? tcp_sendmsg_fastopen (net/ipv4/tcp.c:1081)
[   19.904116][    C0]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   19.904118][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.904120][    C0]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   19.904123][    C0]  tcp_sendmsg (net/ipv4/tcp.c:1452)
[   19.904125][    C0]  sock_write_iter (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:1266 (discriminator 4))
[   19.904126][    C0]  ? 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)
[   19.904128][    C0]  ? ____sys_recvmsg (net/socket.c:1151 (discriminator 3))
[   19.904130][    C0]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   19.904132][    C0]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   19.904135][    C0]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   19.904137][    C0]  ? ____sys_recvmsg (net/socket.c:1151 (discriminator 3))
[   19.904138][    C0]  new_sync_write (fs/read_write.c:595)
[   19.904141][    C0]  ? new_sync_read (./include/linux/ioprio.h:41)
[   19.904143][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.904146][    C0]  ? __fget_files (./include/linux/rcupdate.h:882 fs/file.c:1100)
[   19.904149][    C0]  vfs_write (fs/read_write.c:687)
[   19.904151][    C0]  ksys_write (fs/read_write.c:739)
[   19.904152][    C0]  ? __ia32_sys_read (fs/read_write.c:723)
[   19.904154][    C0]  ? restore_fpregs_from_fpstate (arch/x86/kernel/fpu/xstate.h:242 arch/x86/kernel/fpu/core.c:207)
[   19.904156][    C0]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[   19.904157][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.904159][    C0]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   19.904161][    C0]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   19.904163][    C0]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.904164][    C0] RIP: 0033:0x7f19f85f7312
[   19.904167][    C0] 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)
[   19.904168][    C0] RSP: 002b:00007f19f6bcbc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   19.904170][    C0] RAX: ffffffffffffffda RBX: 0000000000020000 RCX: 00007f19f85f7312
[   19.904171][    C0] RDX: 0000000000020000 RSI: 00007f19f7d6f000 RDI: 0000000000000009
[   19.904172][    C0] RBP: 00007f19f6bcbca0 R08: 0000000000000000 R09: 0000000000000000
[   19.904173][    C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f19f7d6f000
[   19.904174][    C0] R13: 0000000000000009 R14: 0000000000020000 R15: 000055833615d040
| [   20.896875][  T175] softirqs last disabled at (640151): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   20.896877][  T175] Preemption disabled at:
| [   20.896878][  T175] vprintk_emit (kernel/printk/printk.c:2471)
| [   20.896888][  T175] Tainted: [W]=WARN
[   20.896889][  T175] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.896891][  T175] Call Trace:
[   20.896892][  T175]  <TASK>
[   20.896894][  T175]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   20.896899][  T175]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   20.896901][  T175]  __might_resched.cold (kernel/sched/core.c:9234)
[   20.896905][  T175]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   20.896908][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.896911][  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))
[   20.896916][  T175]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   20.896918][  T175]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.896923][  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)
[   20.896925][  T175]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.896928][  T175]  put_chars (drivers/char/virtio_console.c:1176)
[   20.896930][  T175]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   20.896932][  T175]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   20.896934][  T175]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   20.896936][  T175]  ? desc_read (./include/linux/instrumented.h:97 ./include/linux/atomic/atomic-instrumented.h:3223 kernel/printk/printk_ringbuffer.c:552)
[   20.896939][  T175]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   20.896943][  T175]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   20.896945][  T175]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   20.896946][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.896948][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.896949][  T175]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.896952][  T175]  console_emit_next_record (kernel/printk/printk.c:3183)
[   20.896954][  T175]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   20.896956][  T175]  ? _prb_read_valid (kernel/printk/printk_ringbuffer.c:1996)
[   20.896958][  T175]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   20.896961][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.896962][  T175]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.896964][  T175]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   20.896966][  T175]  console_flush_one_record (kernel/printk/printk.c:3268)
[   20.896969][  T175]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   20.896971][  T175]  ? __irq_work_queue_local (./include/linux/instrumented.h:55 ./include/linux/llist.h:242 ./include/linux/llist.h:265 kernel/irq_work.c:107)
[   20.896975][  T175]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   20.896977][  T175]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.896979][  T175]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   20.896981][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.896982][  T175]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   20.896984][  T175]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   20.896986][  T175]  ? sync_exp_reset_tree_hotplug (kernel/rcu/tree_exp.h:98)
[   20.896987][  T175]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   20.896989][  T175]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   20.896991][  T175]  vprintk_emit (kernel/printk/printk.c:2479)
[   20.896993][  T175]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   20.896994][  T175]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   20.896996][  T175]  ? _copy_from_iter (./include/linux/instrumented.h:146 lib/iov_iter.c:66 ./include/linux/iov_iter.h:30 ./include/linux/iov_iter.h:302 ./include/linux/iov_iter.h:330 lib/iov_iter.c:261 lib/iov_iter.c:272)
[   20.896999][  T175]  devkmsg_emit.constprop.0 (kernel/printk/printk.c:733)
[   20.897002][  T175]  ? vprintk_emit.cold (kernel/printk/printk.c:2449)
[   20.897005][  T175]  ? __kmalloc_noprof (mm/slub.c:5415 mm/slub.c:5439)
[   20.897007][  T175]  ? idr_get_free (??:?)
[   20.897009][  T175]  ? devkmsg_write (./include/linux/slab.h:995 kernel/printk/printk.c:762)
[   20.897011][  T175]  ? _copy_from_iter (./include/linux/instrumented.h:146 lib/iov_iter.c:66 ./include/linux/iov_iter.h:30 ./include/linux/iov_iter.h:302 ./include/linux/iov_iter.h:330 lib/iov_iter.c:261 lib/iov_iter.c:272)
[   20.897012][  T175]  devkmsg_write.cold (kernel/printk/printk.c:796)
[   20.897015][  T175]  ? vprintk_default (kernel/printk/printk.c:2494)
[   20.897016][  T175]  ? cp_old_stat (fs/stat.c:406 (discriminator 3))
[   20.897019][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.897021][  T175]  ? vprintk_default (kernel/printk/printk.c:2494)
[   20.897022][  T175]  new_sync_write (fs/read_write.c:595)
[   20.897025][  T175]  ? new_sync_read (./include/linux/ioprio.h:41)
[   20.897027][  T175]  ? vfs_getattr_nosec (fs/stat.c:213)
[   20.897029][  T175]  ? fput (./include/linux/preempt.h:500 (discriminator 1) ./include/linux/file_ref.h:150 (discriminator 1) fs/file_table.c:588 (discriminator 1))
[   20.897031][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.897032][  T175]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   20.897034][  T175]  ? __fget_files (./include/linux/rcupdate.h:850 fs/file.c:1098)
[   20.897036][  T175]  ? __fget_files (./include/linux/rcupdate.h:882 fs/file.c:1100)
[   20.897038][  T175]  vfs_write (fs/read_write.c:687)
[   20.897040][  T175]  ksys_write (fs/read_write.c:739)
[   20.897042][  T175]  ? __ia32_sys_read (fs/read_write.c:723)
[   20.897043][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.897045][  T175]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   20.897047][  T175]  ? irq_exit_rcu (kernel/softirq.c:786)
[   20.897049][  T175]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.897051][  T175] RIP: 0033:0x7f405f0d4312
[   20.897055][  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)
[   20.897057][  T175] RSP: 002b:00007ffe64788628 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   20.897061][  T175] RAX: ffffffffffffffda RBX: 0000000000000316 RCX: 00007f405f0d4312
[   20.897062][  T175] RDX: 0000000000000316 RSI: 000055c7e3d69f10 RDI: 000000000000000b
[   20.897063][  T175] RBP: 00007ffe64788650 R08: 0000000000000000 R09: 0000000000000000
[   20.897064][  T175] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f405ef41390
[   20.897065][  T175] R13: 000055c7e3d69f10 R14: 000000000000000b R15: 00007f405eecd0d0
| [   21.934837][  T175] softirqs last disabled at (640151): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   21.934839][  T175] Preemption disabled at:
| [   21.934840][  T175] vprintk_emit (kernel/printk/printk.c:2471)
| [   21.934849][  T175] Tainted: [W]=WARN
[   21.934850][  T175] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.934851][  T175] Call Trace:
[   21.934853][  T175]  <TASK>
[   21.934854][  T175]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   21.934860][  T175]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   21.934861][  T175]  __might_resched.cold (kernel/sched/core.c:9234)
[   21.934865][  T175]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   21.934869][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.934871][  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))
[   21.934876][  T175]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   21.934879][  T175]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.934883][  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)
[   21.934885][  T175]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.934888][  T175]  put_chars (drivers/char/virtio_console.c:1176)
[   21.934890][  T175]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   21.934892][  T175]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   21.934894][  T175]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   21.934897][  T175]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   21.934901][  T175]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   21.934903][  T175]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   21.934904][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.934906][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.934907][  T175]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.934909][  T175]  console_emit_next_record (kernel/printk/printk.c:3183)
[   21.934912][  T175]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[   21.934915][  T175]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   21.934916][  T175]  ? finish_task_switch.isra.0 (kernel/sched/sched.h:1698 kernel/sched/core.c:5251 kernel/sched/core.c:5369)
[   21.934918][  T175]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   21.934922][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.934923][  T175]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.934925][  T175]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   21.934927][  T175]  console_flush_one_record (kernel/printk/printk.c:3268)
[   21.934930][  T175]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   21.934932][  T175]  ? __irq_work_queue_local (./include/linux/instrumented.h:55 ./include/linux/llist.h:242 ./include/linux/llist.h:265 kernel/irq_work.c:107)
[   21.934935][  T175]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   21.934937][  T175]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.934939][  T175]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   21.934941][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.934942][  T175]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   21.934944][  T175]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   21.934945][  T175]  ? sync_exp_reset_tree_hotplug (kernel/rcu/tree_exp.h:98)
[   21.934947][  T175]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   21.934949][  T175]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   21.934950][  T175]  vprintk_emit (kernel/printk/printk.c:2479)
[   21.934952][  T175]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   21.934953][  T175]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   21.934955][  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)
[   21.934958][  T175]  devkmsg_emit.constprop.0 (kernel/printk/printk.c:733)
[   21.934962][  T175]  ? vprintk_emit.cold (kernel/printk/printk.c:2449)
[   21.934964][  T175]  ? __kmalloc_noprof (mm/slub.c:5415 mm/slub.c:5439)
[   21.934966][  T175]  ? idr_get_free (??:?)
[   21.934969][  T175]  ? devkmsg_write (./include/linux/slab.h:995 kernel/printk/printk.c:762)
[   21.934970][  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)
[   21.934972][  T175]  devkmsg_write.cold (kernel/printk/printk.c:796)
[   21.934974][  T175]  ? vprintk_default (kernel/printk/printk.c:2494)
[   21.934975][  T175]  ? cp_old_stat (fs/stat.c:406 (discriminator 3))
[   21.934978][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.934980][  T175]  ? vprintk_default (kernel/printk/printk.c:2494)
[   21.934981][  T175]  new_sync_write (fs/read_write.c:595)
[   21.934984][  T175]  ? new_sync_read (./include/linux/ioprio.h:41)
[   21.934986][  T175]  ? vfs_getattr_nosec (fs/stat.c:213)
[   21.934988][  T175]  ? fput (./include/linux/preempt.h:500 (discriminator 1) ./include/linux/file_ref.h:150 (discriminator 1) fs/file_table.c:588 (discriminator 1))
[   21.934990][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.934991][  T175]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   21.934993][  T175]  ? __fget_files (./include/linux/rcupdate.h:850 fs/file.c:1098)
[   21.934995][  T175]  ? __fget_files (./include/linux/rcupdate.h:882 fs/file.c:1100)
[   21.934997][  T175]  vfs_write (fs/read_write.c:687)
[   21.934999][  T175]  ksys_write (fs/read_write.c:739)
[   21.935000][  T175]  ? __ia32_sys_read (fs/read_write.c:723)
[   21.935002][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.935003][  T175]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   21.935006][  T175]  ? irq_exit_rcu (kernel/softirq.c:786)
[   21.935007][  T175]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.935010][  T175] RIP: 0033:0x7f405f0d4312
[   21.935014][  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)
[   21.935015][  T175] RSP: 002b:00007ffe64788628 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   21.935019][  T175] RAX: ffffffffffffffda RBX: 0000000000000316 RCX: 00007f405f0d4312
[   21.935021][  T175] RDX: 0000000000000316 RSI: 000055c7e3d69f10 RDI: 000000000000000b
[   21.935021][  T175] RBP: 00007ffe64788650 R08: 0000000000000000 R09: 0000000000000000
[   21.935022][  T175] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f405ef41390


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
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:console_trylock_spinning