======================================
| [   13.383759][   T88] softirqs last disabled at (438914): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [   13.383762][   T88] Preemption disabled at:
| [   13.383762][   T88] 0x0
| [   13.383773][   T88] Tainted: [W]=WARN
[   13.383774][   T88] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.383776][   T88] Call Trace:
[   13.383778][   T88]  <TASK>
[   13.383779][   T88]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.383786][   T88]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.383791][   T88]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.383795][   T88]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   13.383800][   T88]  __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))
[   13.383803][   T88]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.383809][   T88]  ? 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)
[   13.383812][   T88]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.383816][   T88]  put_chars (drivers/char/virtio_console.c:1176)
[   13.383819][   T88]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.383821][   T88]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   13.383825][   T88]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.383828][   T88]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.383832][   T88]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.383836][   T88]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.383838][   T88]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.383843][   T88]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.383846][   T88]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.383850][   T88]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.383854][   T88]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.383858][   T88]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.383862][   T88]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.383865][   T88]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.383869][   T88]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.383873][   T88]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.383875][   T88]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.383880][   T88]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.383884][   T88]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.383886][   T88]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.383888][   T88]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 18) ./include/trace/events/lock.h:23 (discriminator 18) kernel/locking/lockdep.c:5871 (discriminator 18))
[   13.383892][   T88]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.383893][   T88]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.383897][   T88]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.383901][   T88]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.383904][   T88]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.383908][   T88]  _printk (kernel/printk/printk.c:2504)
[   13.383912][   T88]  ? snapshot_read.cold (user.c:?)
[   13.383915][   T88]  ? 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)
[   13.383918][   T88]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   13.383922][   T88]  ? 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)
[   13.383925][   T88]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   13.383929][   T88]  ? exit_notify (kernel/exit.c:780)
[   13.383930][   T88]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.383933][   T88]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.383937][   T88]  do_group_exit (kernel/exit.c:1151)
[   13.383940][   T88]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   13.383942][   T88]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   13.383945][   T88]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.383948][   T88]  ? irq_exit_rcu (kernel/softirq.c:786)
[   13.383951][   T88]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.383953][   T88] RIP: 0033:0x7f92ada5e1b8
[   13.383956][   T88] Code: Unable to access opcode bytes at 0x7f92ada5e18e.

Code starting with the faulting instruction
===========================================
[   13.383957][   T88] RSP: 002b:00007ffcd11a6f18 EFLAGS: 00000256 ORIG_RAX: 00000000000000e7
[   13.383959][   T88] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f92ada5e1b8
[   13.383961][   T88] RDX: 0000000000000000 RSI: fffffffffffffe90 RDI: 0000000000000000
[   13.383962][   T88] RBP: 00007ffcd11a70a0 R08: 00005599a01353e8 R09: 0000000000000000
[   13.383963][   T88] R10: 0000000000000000 R11: 0000000000000256 R12: 0000000000000000
[   13.383963][   T88] R13: 00007f92ad2bc050 R14: 00007f92adf8fd9e R15: 00005599a01343f0
| [   14.703140][  T201] softirqs last disabled at (362003): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   14.703143][  T201] Preemption disabled at:
| [   14.703143][  T201] vprintk_emit (kernel/printk/printk.c:2471)
| [   14.703153][  T201] Tainted: [W]=WARN
[   14.703154][  T201] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.703156][  T201] Call Trace:
[   14.703158][  T201]  <TASK>
[   14.703160][  T201]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   14.703166][  T201]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   14.703169][  T201]  __might_resched.cold (kernel/sched/core.c:9234)
[   14.703173][  T201]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   14.703178][  T201]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   14.703183][  T201]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   14.703186][  T201]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.703193][  T201]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   14.703196][  T201]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.703200][  T201]  put_chars (drivers/char/virtio_console.c:1176)
[   14.703204][  T201]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   14.703206][  T201]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   14.703211][  T201]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   14.703216][  T201]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   14.703220][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.703222][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.703227][  T201]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   14.703231][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.703235][  T201]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.703240][  T201]  console_emit_next_record (kernel/printk/printk.c:3183)
[   14.703245][  T201]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   14.703250][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.703252][  T201]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.703257][  T201]  console_flush_one_record (kernel/printk/printk.c:3268)
[   14.703261][  T201]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   14.703264][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.703270][  T201]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   14.703273][  T201]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   14.703275][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.703278][  T201]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 18) ./include/trace/events/lock.h:23 (discriminator 18) kernel/locking/lockdep.c:5871 (discriminator 18))
[   14.703282][  T201]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   14.703284][  T201]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   14.703288][  T201]  vprintk_emit (kernel/printk/printk.c:2479)
[   14.703292][  T201]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   14.703299][  T201]  _printk (kernel/printk/printk.c:2504)
[   14.703303][  T201]  ? snapshot_read.cold (user.c:?)
[   14.703305][  T201]  ? preempt_schedule_common (kernel/sched/core.c:7449)
[   14.703310][  T201]  ? preempt_schedule_thunk (arch/x86/entry/thunk.S:12)
[   14.703317][  T201]  register_console (kernel/printk/printk.c:4212 (discriminator 7))
[   14.703321][  T201]  ? get_init_console_seq.constprop.0.isra.0 (kernel/printk/printk.c:4018)
[   14.703324][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.703330][  T201] enabled_store (drivers/net/netconsole.c:1039) netconsole
[   14.703332][  T201]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   14.703337][  T201]  ? netconsole_write_ext (drivers/net/netconsole.c:2504) netconsole
[   14.703339][  T201]  ? down_write_killable_nested (./arch/x86/include/asm/atomic64_64.h:20)
[   14.703341][  T201]  ? __kmalloc_cache_noprof (mm/slub.c:5561 (discriminator 1))
[   14.703344][  T201]  ? configfs_write_iter (./include/linux/slab.h:991 (discriminator 1) fs/configfs/file.c:187 (discriminator 1) fs/configfs/file.c:227 (discriminator 1))
[   14.703349][  T201]  ? netconsole_write_ext (drivers/net/netconsole.c:2504) netconsole
[   14.703351][  T201]  configfs_write_iter (fs/configfs/file.c:207 fs/configfs/file.c:229)
[   14.703354][  T201]  ? configfs_bin_write_iter (fs/configfs/file.c:287 (discriminator 1))
[   14.703357][  T201]  new_sync_write (fs/read_write.c:595)
[   14.703360][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.703363][  T201]  ? new_sync_read (./include/linux/ioprio.h:41)
[   14.703366][  T201]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.703368][  T201]  ? ksys_write (fs/read_write.c:739)
[   14.703375][  T201]  vfs_write (fs/read_write.c:687)
[   14.703380][  T201]  ksys_write (fs/read_write.c:739)
[   14.703383][  T201]  ? __ia32_sys_read (fs/read_write.c:723)
[   14.703386][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.703390][  T201]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   14.703393][  T201]  ? irq_exit_rcu (kernel/softirq.c:786)
[   14.703396][  T201]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.703398][  T201] RIP: 0033:0x7faa43f8a312
[   14.703402][  T201] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[   14.703404][  T201] RSP: 002b:00007fff56205178 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   14.703407][  T201] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007faa43f8a312
[   14.703409][  T201] RDX: 0000000000000001 RSI: 00005583e4ae32b0 RDI: 000000000000000e
[   14.703410][  T201] RBP: 00007fff562051a0 R08: 0000000000000000 R09: 0000000000000000
[   14.703411][  T201] R10: 0000000000000000 R11: 0000000000000246 R12: 00007faa43df7390
[   14.703412][  T201] R13: 00005583e4ae32b0 R14: 000000000000000e R15: 00007faa43d850d0
| [   15.929557][  T201] softirqs last disabled at (406541): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   15.929566][  T201] Preemption disabled at:
| [   15.929567][  T201] vprintk_emit (kernel/printk/printk.c:2471)
| [   15.929580][  T201] Tainted: [W]=WARN
[   15.929582][  T201] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.929584][  T201] Call Trace:
[   15.929587][  T201]  <TASK>
[   15.929589][  T201]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   15.929596][  T201]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   15.929600][  T201]  __might_resched.cold (kernel/sched/core.c:9234)
[   15.929606][  T201]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   15.929612][  T201]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   15.929620][  T201]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   15.929624][  T201]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.929634][  T201]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   15.929638][  T201]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.929644][  T201]  put_chars (drivers/char/virtio_console.c:1176)
[   15.929649][  T201]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   15.929652][  T201]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   15.929658][  T201]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.929662][  T201]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.929670][  T201]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   15.929675][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.929678][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.929686][  T201]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   15.929692][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.929697][  T201]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.929704][  T201]  console_emit_next_record (kernel/printk/printk.c:3183)
[   15.929711][  T201]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   15.929721][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.929725][  T201]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.929732][  T201]  console_flush_one_record (kernel/printk/printk.c:3268)
[   15.929739][  T201]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   15.929742][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.929752][  T201]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   15.929757][  T201]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   15.929760][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.929764][  T201]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 18) ./include/trace/events/lock.h:23 (discriminator 18) kernel/locking/lockdep.c:5871 (discriminator 18))
[   15.929770][  T201]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   15.929773][  T201]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   15.929779][  T201]  vprintk_emit (kernel/printk/printk.c:2479)
[   15.929785][  T201]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   15.929790][  T201]  ? _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)
[   15.929799][  T201]  devkmsg_emit.constprop.0 (kernel/printk/printk.c:733)
[   15.929805][  T201]  ? vprintk_emit.cold (kernel/printk/printk.c:2449)
[   15.929812][  T201]  ? __kmalloc_noprof (mm/slub.c:5415 mm/slub.c:5439)
[   15.929815][  T201]  ? idr_get_free (??:?)
[   15.929820][  T201]  ? devkmsg_write (./include/linux/slab.h:995 kernel/printk/printk.c:762)
[   15.929825][  T201]  ? _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)
[   15.929830][  T201]  devkmsg_write.cold (kernel/printk/printk.c:796)
[   15.929834][  T201]  ? vprintk_default (kernel/printk/printk.c:2494)
[   15.929842][  T201]  ? vprintk_default (kernel/printk/printk.c:2494)
[   15.929847][  T201]  new_sync_write (fs/read_write.c:595)
[   15.929854][  T201]  ? new_sync_read (./include/linux/ioprio.h:41)
[   15.929861][  T201]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.929869][  T201]  ? __fget_files (./include/linux/rcupdate.h:882 fs/file.c:1100)
[   15.929875][  T201]  vfs_write (fs/read_write.c:687)
[   15.929883][  T201]  ksys_write (fs/read_write.c:739)
[   15.929887][  T201]  ? __ia32_sys_read (fs/read_write.c:723)
[   15.929892][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.929898][  T201]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   15.929902][  T201]  ? common_interrupt (arch/x86/kernel/irq.c:273 (discriminator 18))
[   15.929907][  T201]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.929911][  T201] RIP: 0033:0x7faa43f8a312
[   15.929916][  T201] 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)
[   15.929919][  T201] RSP: 002b:00007fff56205178 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   15.929923][  T201] RAX: ffffffffffffffda RBX: 00000000000002ee RCX: 00007faa43f8a312
[   15.929925][  T201] RDX: 00000000000002ee RSI: 00005583e4ae32b0 RDI: 000000000000000b
[   15.929927][  T201] RBP: 00007fff562051a0 R08: 0000000000000000 R09: 0000000000000000
[   15.929929][  T201] R10: 0000000000000000 R11: 0000000000000246 R12: 00007faa43df7390
[   15.929930][  T201] R13: 00005583e4ae32b0 R14: 000000000000000b R15: 00007faa43d850d0
| [   17.003037][  T201] softirqs last disabled at (447273): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   17.003040][  T201] Preemption disabled at:
| [   17.003041][  T201] vprintk_emit (kernel/printk/printk.c:2471)
| [   17.003051][  T201] Tainted: [W]=WARN
[   17.003052][  T201] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.003054][  T201] Call Trace:
[   17.003055][  T201]  <TASK>
[   17.003057][  T201]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   17.003063][  T201]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   17.003066][  T201]  __might_resched.cold (kernel/sched/core.c:9234)
[   17.003070][  T201]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   17.003074][  T201]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   17.003080][  T201]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   17.003082][  T201]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.003089][  T201]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   17.003092][  T201]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.003096][  T201]  put_chars (drivers/char/virtio_console.c:1176)
[   17.003099][  T201]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   17.003101][  T201]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   17.003105][  T201]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.003108][  T201]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   17.003112][  T201]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   17.003117][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.003118][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.003123][  T201]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   17.003127][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.003130][  T201]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.003134][  T201]  console_emit_next_record (kernel/printk/printk.c:3183)
[   17.003138][  T201]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   17.003143][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.003145][  T201]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.003149][  T201]  console_flush_one_record (kernel/printk/printk.c:3268)
[   17.003153][  T201]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   17.003155][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.003161][  T201]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   17.003164][  T201]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   17.003166][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.003168][  T201]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 18) ./include/trace/events/lock.h:23 (discriminator 18) kernel/locking/lockdep.c:5871 (discriminator 18))
[   17.003172][  T201]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   17.003174][  T201]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   17.003177][  T201]  vprintk_emit (kernel/printk/printk.c:2479)
[   17.003181][  T201]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   17.003184][  T201]  ? _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)
[   17.003190][  T201]  devkmsg_emit.constprop.0 (kernel/printk/printk.c:733)
[   17.003194][  T201]  ? vprintk_emit.cold (kernel/printk/printk.c:2449)
[   17.003198][  T201]  ? __kmalloc_noprof (mm/slub.c:5415 mm/slub.c:5439)
[   17.003200][  T201]  ? idr_get_free (??:?)
[   17.003203][  T201]  ? devkmsg_write (./include/linux/slab.h:995 kernel/printk/printk.c:762)
[   17.003207][  T201]  ? _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)
[   17.003209][  T201]  devkmsg_write.cold (kernel/printk/printk.c:796)
[   17.003212][  T201]  ? vprintk_default (kernel/printk/printk.c:2494)
[   17.003217][  T201]  ? vprintk_default (kernel/printk/printk.c:2494)
[   17.003220][  T201]  new_sync_write (fs/read_write.c:595)
[   17.003224][  T201]  ? new_sync_read (./include/linux/ioprio.h:41)
[   17.003228][  T201]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   17.003233][  T201]  ? __fget_files (./include/linux/rcupdate.h:882 fs/file.c:1100)
[   17.003236][  T201]  vfs_write (fs/read_write.c:687)
[   17.003241][  T201]  ksys_write (fs/read_write.c:739)
[   17.003244][  T201]  ? __ia32_sys_read (fs/read_write.c:723)
[   17.003247][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.003250][  T201]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   17.003254][  T201]  ? common_interrupt (arch/x86/kernel/irq.c:273 (discriminator 18))
[   17.003257][  T201]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.003259][  T201] RIP: 0033:0x7faa43f8a312
[   17.003264][  T201] 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)
[   17.003266][  T201] RSP: 002b:00007fff56205178 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   17.003269][  T201] RAX: ffffffffffffffda RBX: 00000000000002ee RCX: 00007faa43f8a312
[   17.003271][  T201] RDX: 00000000000002ee RSI: 00005583e4ae32b0 RDI: 000000000000000b
[   17.003272][  T201] RBP: 00007fff562051a0 R08: 0000000000000000 R09: 0000000000000000
[   17.003273][  T201] R10: 0000000000000000 R11: 0000000000000246 R12: 00007faa43df7390
[   17.003274][  T201] R13: 00005583e4ae32b0 R14: 000000000000000b R15: 00007faa43d850d0
| [   18.045183][  T201] softirqs last disabled at (477375): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   18.045185][  T201] Preemption disabled at:
| [   18.045186][  T201] vprintk_emit (kernel/printk/printk.c:2471)
| [   18.045196][  T201] Tainted: [W]=WARN
[   18.045197][  T201] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.045199][  T201] Call Trace:
[   18.045201][  T201]  <TASK>
[   18.045203][  T201]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   18.045209][  T201]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   18.045211][  T201]  __might_resched.cold (kernel/sched/core.c:9234)
[   18.045216][  T201]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   18.045220][  T201]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   18.045226][  T201]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   18.045228][  T201]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.045235][  T201]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   18.045238][  T201]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.045242][  T201]  put_chars (drivers/char/virtio_console.c:1176)
[   18.045245][  T201]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   18.045247][  T201]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   18.045251][  T201]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.045255][  T201]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   18.045259][  T201]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   18.045263][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.045265][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.045270][  T201]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   18.045273][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.045277][  T201]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.045281][  T201]  console_emit_next_record (kernel/printk/printk.c:3183)
[   18.045285][  T201]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   18.045290][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.045292][  T201]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.045296][  T201]  console_flush_one_record (kernel/printk/printk.c:3268)
[   18.045301][  T201]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   18.045303][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.045308][  T201]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   18.045311][  T201]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   18.045313][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.045315][  T201]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 18) ./include/trace/events/lock.h:23 (discriminator 18) kernel/locking/lockdep.c:5871 (discriminator 18))
[   18.045319][  T201]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   18.045321][  T201]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   18.045325][  T201]  vprintk_emit (kernel/printk/printk.c:2479)
[   18.045328][  T201]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   18.045332][  T201]  ? _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)
[   18.045338][  T201]  devkmsg_emit.constprop.0 (kernel/printk/printk.c:733)
[   18.045342][  T201]  ? vprintk_emit.cold (kernel/printk/printk.c:2449)
[   18.045346][  T201]  ? __kmalloc_noprof (mm/slub.c:5415 mm/slub.c:5439)
[   18.045348][  T201]  ? idr_get_free (??:?)
[   18.045352][  T201]  ? devkmsg_write (./include/linux/slab.h:995 kernel/printk/printk.c:762)
[   18.045355][  T201]  ? _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)
[   18.045357][  T201]  devkmsg_write.cold (kernel/printk/printk.c:796)
[   18.045360][  T201]  ? vprintk_default (kernel/printk/printk.c:2494)
[   18.045365][  T201]  ? vprintk_default (kernel/printk/printk.c:2494)
[   18.045368][  T201]  new_sync_write (fs/read_write.c:595)
[   18.045372][  T201]  ? new_sync_read (./include/linux/ioprio.h:41)
[   18.045376][  T201]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.045381][  T201]  ? __fget_files (./include/linux/rcupdate.h:882 fs/file.c:1100)
[   18.045384][  T201]  vfs_write (fs/read_write.c:687)
[   18.045389][  T201]  ksys_write (fs/read_write.c:739)
[   18.045392][  T201]  ? __ia32_sys_read (fs/read_write.c:723)
[   18.045395][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.045398][  T201]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   18.045401][  T201]  ? common_interrupt (arch/x86/kernel/irq.c:273 (discriminator 18))
[   18.045404][  T201]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.045407][  T201] RIP: 0033:0x7faa43f8a312
[   18.045411][  T201] 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)
[   18.045413][  T201] RSP: 002b:00007fff56205178 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   18.045416][  T201] RAX: ffffffffffffffda RBX: 00000000000002ee RCX: 00007faa43f8a312
[   18.045417][  T201] RDX: 00000000000002ee RSI: 00005583e4ae32b0 RDI: 000000000000000b
[   18.045419][  T201] RBP: 00007fff562051a0 R08: 0000000000000000 R09: 0000000000000000
[   18.045420][  T201] R10: 0000000000000000 R11: 0000000000000246 R12: 00007faa43df7390
[   18.045420][  T201] R13: 00005583e4ae32b0 R14: 000000000000000b R15: 00007faa43d850d0
| [   19.175477][  T201] softirqs last disabled at (505837): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   19.175480][  T201] Preemption disabled at:
| [   19.175480][  T201] vprintk_emit (kernel/printk/printk.c:2471)
| [   19.175491][  T201] Tainted: [W]=WARN
[   19.175492][  T201] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.175494][  T201] Call Trace:
[   19.175495][  T201]  <TASK>
[   19.175497][  T201]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   19.175503][  T201]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   19.175506][  T201]  __might_resched.cold (kernel/sched/core.c:9234)
[   19.175510][  T201]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   19.175514][  T201]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   19.175520][  T201]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   19.175523][  T201]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.175529][  T201]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   19.175532][  T201]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.175536][  T201]  put_chars (drivers/char/virtio_console.c:1176)
[   19.175539][  T201]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   19.175541][  T201]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   19.175545][  T201]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   19.175548][  T201]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   19.175552][  T201]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   19.175557][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.175559][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.175563][  T201]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   19.175567][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.175576][  T201]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.175580][  T201]  console_emit_next_record (kernel/printk/printk.c:3183)
[   19.175584][  T201]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   19.175589][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.175591][  T201]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.175595][  T201]  console_flush_one_record (kernel/printk/printk.c:3268)
[   19.175600][  T201]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   19.175602][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.175607][  T201]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   19.175610][  T201]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   19.175612][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.175614][  T201]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 18) ./include/trace/events/lock.h:23 (discriminator 18) kernel/locking/lockdep.c:5871 (discriminator 18))
[   19.175618][  T201]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   19.175620][  T201]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   19.175624][  T201]  vprintk_emit (kernel/printk/printk.c:2479)
[   19.175627][  T201]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   19.175631][  T201]  ? _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)
[   19.175636][  T201]  devkmsg_emit.constprop.0 (kernel/printk/printk.c:733)
[   19.175640][  T201]  ? vprintk_emit.cold (kernel/printk/printk.c:2449)
[   19.175644][  T201]  ? __kmalloc_noprof (mm/slub.c:5415 mm/slub.c:5439)
[   19.175647][  T201]  ? idr_get_free (??:?)
[   19.175650][  T201]  ? devkmsg_write (./include/linux/slab.h:995 kernel/printk/printk.c:762)
[   19.175653][  T201]  ? _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)
[   19.175656][  T201]  devkmsg_write.cold (kernel/printk/printk.c:796)
[   19.175659][  T201]  ? vprintk_default (kernel/printk/printk.c:2494)
[   19.175663][  T201]  ? vprintk_default (kernel/printk/printk.c:2494)
[   19.175666][  T201]  new_sync_write (fs/read_write.c:595)
[   19.175671][  T201]  ? new_sync_read (./include/linux/ioprio.h:41)
[   19.175674][  T201]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.175679][  T201]  ? __fget_files (./include/linux/rcupdate.h:882 fs/file.c:1100)
[   19.175683][  T201]  vfs_write (fs/read_write.c:687)
[   19.175688][  T201]  ksys_write (fs/read_write.c:739)
[   19.175691][  T201]  ? __ia32_sys_read (fs/read_write.c:723)
[   19.175694][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.175697][  T201]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   19.175700][  T201]  ? common_interrupt (arch/x86/kernel/irq.c:273 (discriminator 18))
[   19.175703][  T201]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.175706][  T201] RIP: 0033:0x7faa43f8a312
[   19.175711][  T201] 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)
[   19.175713][  T201] RSP: 002b:00007fff56205178 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   19.175717][  T201] RAX: ffffffffffffffda RBX: 00000000000002ee RCX: 00007faa43f8a312
[   19.175719][  T201] RDX: 00000000000002ee RSI: 00005583e4ae32b0 RDI: 000000000000000b
[   19.175720][  T201] RBP: 00007fff562051a0 R08: 0000000000000000 R09: 0000000000000000
[   19.175721][  T201] R10: 0000000000000000 R11: 0000000000000246 R12: 00007faa43df7390
[   19.175722][  T201] R13: 00005583e4ae32b0 R14: 000000000000000b R15: 00007faa43d850d0
| [   20.565968][  T201] softirqs last disabled at (553843): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   20.565971][  T201] Preemption disabled at:
| [   20.565972][  T201] vprintk_emit (kernel/printk/printk.c:2471)
| [   20.565982][  T201] Tainted: [W]=WARN
[   20.565983][  T201] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.565986][  T201] Call Trace:
[   20.565987][  T201]  <TASK>
[   20.565989][  T201]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   20.565995][  T201]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   20.565998][  T201]  __might_resched.cold (kernel/sched/core.c:9234)
[   20.566002][  T201]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   20.566007][  T201]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   20.566012][  T201]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   20.566015][  T201]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.566022][  T201]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   20.566024][  T201]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.566028][  T201]  put_chars (drivers/char/virtio_console.c:1176)
[   20.566032][  T201]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   20.566034][  T201]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   20.566037][  T201]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.566041][  T201]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   20.566045][  T201]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   20.566049][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.566051][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.566055][  T201]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   20.566059][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.566063][  T201]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.566067][  T201]  console_emit_next_record (kernel/printk/printk.c:3183)
[   20.566071][  T201]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   20.566075][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.566078][  T201]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.566082][  T201]  console_flush_one_record (kernel/printk/printk.c:3268)
[   20.566086][  T201]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   20.566088][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.566094][  T201]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   20.566097][  T201]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   20.566099][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.566101][  T201]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 18) ./include/trace/events/lock.h:23 (discriminator 18) kernel/locking/lockdep.c:5871 (discriminator 18))
[   20.566105][  T201]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   20.566107][  T201]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   20.566110][  T201]  vprintk_emit (kernel/printk/printk.c:2479)
[   20.566114][  T201]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   20.566118][  T201]  ? _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)
[   20.566123][  T201]  devkmsg_emit.constprop.0 (kernel/printk/printk.c:733)
[   20.566127][  T201]  ? vprintk_emit.cold (kernel/printk/printk.c:2449)
[   20.566132][  T201]  ? __kmalloc_noprof (mm/slub.c:5415 mm/slub.c:5439)
[   20.566134][  T201]  ? idr_get_free (??:?)
[   20.566137][  T201]  ? devkmsg_write (./include/linux/slab.h:995 kernel/printk/printk.c:762)
[   20.566141][  T201]  ? _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)
[   20.566143][  T201]  devkmsg_write.cold (kernel/printk/printk.c:796)
[   20.566146][  T201]  ? net_rx_action (net/core/dev.c:7988)
[   20.566150][  T201]  ? vprintk_default (kernel/printk/printk.c:2494)
[   20.566154][  T201]  ? vprintk_default (kernel/printk/printk.c:2494)
[   20.566157][  T201]  new_sync_write (fs/read_write.c:595)
[   20.566160][  T201]  ? validate_chain (kernel/locking/lockdep.c:159 (discriminator 37) kernel/locking/lockdep.c:191 (discriminator 37) kernel/locking/lockdep.c:3928 (discriminator 37))
[   20.566163][  T201]  ? new_sync_read (./include/linux/ioprio.h:41)
[   20.566167][  T201]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   20.566172][  T201]  ? __fget_files (./include/linux/rcupdate.h:882 fs/file.c:1100)
[   20.566176][  T201]  vfs_write (fs/read_write.c:687)
[   20.566180][  T201]  ksys_write (fs/read_write.c:739)
[   20.566183][  T201]  ? __ia32_sys_read (fs/read_write.c:723)
[   20.566186][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.566189][  T201]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   20.566193][  T201]  ? common_interrupt (arch/x86/kernel/irq.c:273 (discriminator 18))
[   20.566196][  T201]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.566199][  T201] RIP: 0033:0x7faa43f8a312
[   20.566203][  T201] 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)
[   20.566205][  T201] RSP: 002b:00007fff56205178 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   20.566209][  T201] RAX: ffffffffffffffda RBX: 0000000000000316 RCX: 00007faa43f8a312
[   20.566210][  T201] RDX: 0000000000000316 RSI: 00005583e4ae32b0 RDI: 000000000000000b
[   20.566211][  T201] RBP: 00007fff562051a0 R08: 0000000000000000 R09: 0000000000000000
[   20.566212][  T201] R10: 0000000000000000 R11: 0000000000000246 R12: 00007faa43df7390
[   20.566213][  T201] R13: 00005583e4ae32b0 R14: 000000000000000b R15: 00007faa43d850d0
| [   21.962093][  T201] softirqs last disabled at (668069): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   21.962095][  T201] Preemption disabled at:
| [   21.962096][  T201] vprintk_emit (kernel/printk/printk.c:2471)
| [   21.962106][  T201] Tainted: [W]=WARN
[   21.962107][  T201] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.962109][  T201] Call Trace:
[   21.962111][  T201]  <TASK>
[   21.962113][  T201]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   21.962118][  T201]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   21.962121][  T201]  __might_resched.cold (kernel/sched/core.c:9234)
[   21.962125][  T201]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   21.962130][  T201]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   21.962136][  T201]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   21.962138][  T201]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.962145][  T201]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   21.962148][  T201]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.962152][  T201]  put_chars (drivers/char/virtio_console.c:1176)
[   21.962156][  T201]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   21.962158][  T201]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   21.962162][  T201]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.962165][  T201]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   21.962169][  T201]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   21.962173][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.962175][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.962180][  T201]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   21.962183][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.962187][  T201]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.962191][  T201]  console_emit_next_record (kernel/printk/printk.c:3183)
[   21.962195][  T201]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   21.962200][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.962202][  T201]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.962206][  T201]  console_flush_one_record (kernel/printk/printk.c:3268)
[   21.962210][  T201]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   21.962212][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.962218][  T201]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   21.962221][  T201]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   21.962223][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.962225][  T201]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 18) ./include/trace/events/lock.h:23 (discriminator 18) kernel/locking/lockdep.c:5871 (discriminator 18))
[   21.962229][  T201]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   21.962231][  T201]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   21.962234][  T201]  vprintk_emit (kernel/printk/printk.c:2479)
[   21.962238][  T201]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   21.962241][  T201]  ? _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)
[   21.962247][  T201]  devkmsg_emit.constprop.0 (kernel/printk/printk.c:733)
[   21.962251][  T201]  ? vprintk_emit.cold (kernel/printk/printk.c:2449)
[   21.962255][  T201]  ? __kmalloc_noprof (mm/slub.c:5415 mm/slub.c:5439)
[   21.962257][  T201]  ? idr_get_free (??:?)
[   21.962261][  T201]  ? devkmsg_write (./include/linux/slab.h:995 kernel/printk/printk.c:762)
[   21.962264][  T201]  ? _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)
[   21.962267][  T201]  devkmsg_write.cold (kernel/printk/printk.c:796)
[   21.962270][  T201]  ? vprintk_default (kernel/printk/printk.c:2494)
[   21.962274][  T201]  ? vprintk_default (kernel/printk/printk.c:2494)
[   21.962277][  T201]  new_sync_write (fs/read_write.c:595)
[   21.962281][  T201]  ? new_sync_read (./include/linux/ioprio.h:41)
[   21.962285][  T201]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   21.962290][  T201]  ? __fget_files (./include/linux/rcupdate.h:882 fs/file.c:1100)
[   21.962294][  T201]  vfs_write (fs/read_write.c:687)
[   21.962298][  T201]  ksys_write (fs/read_write.c:739)
[   21.962301][  T201]  ? __ia32_sys_read (fs/read_write.c:723)
[   21.962304][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.962308][  T201]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   21.962311][  T201]  ? common_interrupt (arch/x86/kernel/irq.c:273 (discriminator 18))
[   21.962314][  T201]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.962316][  T201] RIP: 0033:0x7faa43f8a312
[   21.962321][  T201] 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)
[   21.962323][  T201] RSP: 002b:00007fff56205178 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   21.962326][  T201] RAX: ffffffffffffffda RBX: 0000000000000316 RCX: 00007faa43f8a312
[   21.962327][  T201] RDX: 0000000000000316 RSI: 00005583e4ae32b0 RDI: 000000000000000b
[   21.962329][  T201] RBP: 00007fff562051a0 R08: 0000000000000000 R09: 0000000000000000
[   21.962330][  T201] R10: 0000000000000000 R11: 0000000000000246 R12: 00007faa43df7390
[   21.962330][  T201] R13: 00005583e4ae32b0 R14: 000000000000000b R15: 00007faa43d850d0
| [   23.175978][  T201] softirqs last disabled at (709797): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   23.175980][  T201] Preemption disabled at:
| [   23.175981][  T201] vprintk_emit (kernel/printk/printk.c:2471)
| [   23.175991][  T201] Tainted: [W]=WARN
[   23.175992][  T201] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.175994][  T201] Call Trace:
[   23.175995][  T201]  <TASK>
[   23.175997][  T201]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   23.176003][  T201]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   23.176005][  T201]  __might_resched.cold (kernel/sched/core.c:9234)
[   23.176010][  T201]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   23.176014][  T201]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   23.176020][  T201]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   23.176022][  T201]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.176029][  T201]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   23.176031][  T201]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.176035][  T201]  put_chars (drivers/char/virtio_console.c:1176)
[   23.176039][  T201]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   23.176041][  T201]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   23.176045][  T201]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.176048][  T201]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   23.176052][  T201]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   23.176056][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.176058][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.176063][  T201]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   23.176066][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.176070][  T201]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.176074][  T201]  console_emit_next_record (kernel/printk/printk.c:3183)
[   23.176078][  T201]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   23.176082][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.176085][  T201]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.176089][  T201]  console_flush_one_record (kernel/printk/printk.c:3268)
[   23.176093][  T201]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   23.176095][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.176100][  T201]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   23.176103][  T201]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   23.176105][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.176108][  T201]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 18) ./include/trace/events/lock.h:23 (discriminator 18) kernel/locking/lockdep.c:5871 (discriminator 18))
[   23.176112][  T201]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   23.176113][  T201]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   23.176117][  T201]  vprintk_emit (kernel/printk/printk.c:2479)
[   23.176121][  T201]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   23.176124][  T201]  ? _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)
[   23.176130][  T201]  devkmsg_emit.constprop.0 (kernel/printk/printk.c:733)
[   23.176134][  T201]  ? vprintk_emit.cold (kernel/printk/printk.c:2449)
[   23.176138][  T201]  ? __kmalloc_noprof (mm/slub.c:5415 mm/slub.c:5439)
[   23.176140][  T201]  ? idr_get_free (??:?)
[   23.176143][  T201]  ? devkmsg_write (./include/linux/slab.h:995 kernel/printk/printk.c:762)
[   23.176146][  T201]  ? _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)
[   23.176149][  T201]  devkmsg_write.cold (kernel/printk/printk.c:796)
[   23.176152][  T201]  ? vprintk_default (kernel/printk/printk.c:2494)
[   23.176156][  T201]  ? vprintk_default (kernel/printk/printk.c:2494)
[   23.176159][  T201]  new_sync_write (fs/read_write.c:595)
[   23.176164][  T201]  ? new_sync_read (./include/linux/ioprio.h:41)
[   23.176167][  T201]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.176172][  T201]  ? __fget_files (./include/linux/rcupdate.h:882 fs/file.c:1100)
[   23.176176][  T201]  vfs_write (fs/read_write.c:687)
[   23.176181][  T201]  ksys_write (fs/read_write.c:739)
[   23.176183][  T201]  ? __ia32_sys_read (fs/read_write.c:723)
[   23.176186][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.176190][  T201]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   23.176193][  T201]  ? common_interrupt (arch/x86/kernel/irq.c:273 (discriminator 18))
[   23.176196][  T201]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.176198][  T201] RIP: 0033:0x7faa43f8a312
[   23.176202][  T201] 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)
[   23.176204][  T201] RSP: 002b:00007fff56205178 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   23.176207][  T201] RAX: ffffffffffffffda RBX: 0000000000000316 RCX: 00007faa43f8a312
[   23.176209][  T201] RDX: 0000000000000316 RSI: 00005583e4ae32b0 RDI: 000000000000000b
[   23.176210][  T201] RBP: 00007fff562051a0 R08: 0000000000000000 R09: 0000000000000000
[   23.176211][  T201] R10: 0000000000000000 R11: 0000000000000246 R12: 00007faa43df7390
[   23.176212][  T201] R13: 00005583e4ae32b0 R14: 000000000000000b R15: 00007faa43d850d0
| [   24.235641][  T201] softirqs last disabled at (809329): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   24.235644][  T201] Preemption disabled at:
| [   24.235645][  T201] vprintk_emit (kernel/printk/printk.c:2471)
| [   24.235657][  T201] Tainted: [W]=WARN
[   24.235658][  T201] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.235661][  T201] Call Trace:
[   24.235663][  T201]  <TASK>
[   24.235665][  T201]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   24.235672][  T201]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   24.235675][  T201]  __might_resched.cold (kernel/sched/core.c:9234)
[   24.235680][  T201]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   24.235684][  T201]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   24.235689][  T201]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   24.235692][  T201]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.235699][  T201]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   24.235702][  T201]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.235706][  T201]  put_chars (drivers/char/virtio_console.c:1176)
[   24.235710][  T201]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   24.235713][  T201]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   24.235719][  T201]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.235723][  T201]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   24.235728][  T201]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   24.235732][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.235734][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.235739][  T201]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   24.235743][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.235746][  T201]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.235751][  T201]  console_emit_next_record (kernel/printk/printk.c:3183)
[   24.235755][  T201]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   24.235760][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.235763][  T201]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.235767][  T201]  console_flush_one_record (kernel/printk/printk.c:3268)
[   24.235772][  T201]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   24.235774][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.235780][  T201]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   24.235783][  T201]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   24.235785][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.235787][  T201]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 18) ./include/trace/events/lock.h:23 (discriminator 18) kernel/locking/lockdep.c:5871 (discriminator 18))
[   24.235791][  T201]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   24.235793][  T201]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   24.235797][  T201]  vprintk_emit (kernel/printk/printk.c:2479)
[   24.235801][  T201]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   24.235804][  T201]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.235806][  T201]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   24.235807][  T201]  ? enabled_store (./include/linux/console.h:573 drivers/net/netconsole.c:1037) netconsole
[   24.235810][  T201]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.235815][  T201]  _printk (kernel/printk/printk.c:2504)
[   24.235819][  T201]  ? snapshot_read.cold (user.c:?)
[   24.235822][  T201]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999)
[   24.235826][  T201]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1))
[   24.235831][  T201]  ? __mutex_unlock_slowpath (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:4480 kernel/locking/mutex.c:1021)
[   24.235834][  T201] netconsole_print_banner (drivers/net/netconsole.c:729 (discriminator 1)) netconsole
[   24.235839][  T201] enabled_store.cold (drivers/net/netconsole.c:1054) netconsole
[   24.235842][  T201]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   24.235845][  T201]  ? netconsole_write_ext (drivers/net/netconsole.c:2504) netconsole
[   24.235848][  T201]  ? down_write_killable_nested (./arch/x86/include/asm/atomic64_64.h:20)
[   24.235850][  T201]  ? __kmalloc_cache_noprof (mm/slub.c:5561 (discriminator 1))
[   24.235852][  T201]  ? configfs_write_iter (./include/linux/slab.h:991 (discriminator 1) fs/configfs/file.c:187 (discriminator 1) fs/configfs/file.c:227 (discriminator 1))
[   24.235857][  T201]  ? netconsole_write_ext (drivers/net/netconsole.c:2504) netconsole
[   24.235859][  T201]  configfs_write_iter (fs/configfs/file.c:207 fs/configfs/file.c:229)
[   24.235862][  T201]  ? configfs_bin_write_iter (fs/configfs/file.c:287 (discriminator 1))
[   24.235865][  T201]  new_sync_write (fs/read_write.c:595)
[   24.235867][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.235870][  T201]  ? new_sync_read (./include/linux/ioprio.h:41)
[   24.235874][  T201]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.235876][  T201]  ? ksys_write (fs/read_write.c:739)
[   24.235883][  T201]  vfs_write (fs/read_write.c:687)
[   24.235887][  T201]  ksys_write (fs/read_write.c:739)
[   24.235890][  T201]  ? __ia32_sys_read (fs/read_write.c:723)
[   24.235893][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.235897][  T201]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   24.235900][  T201]  ? common_interrupt (arch/x86/kernel/irq.c:273 (discriminator 18))
[   24.235904][  T201]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.235906][  T201] RIP: 0033:0x7faa43f8a312
[   24.235911][  T201] 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)
[   24.235913][  T201] RSP: 002b:00007fff56205178 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   24.235916][  T201] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007faa43f8a312
[   24.235917][  T201] RDX: 0000000000000001 RSI: 00005583e4ae32b0 RDI: 000000000000000b
[   24.235919][  T201] RBP: 00007fff562051a0 R08: 0000000000000000 R09: 0000000000000000
[   24.235920][  T201] R10: 0000000000000000 R11: 0000000000000246 R12: 00007faa43df7390
[   24.235920][  T201] R13: 00005583e4ae32b0 R14: 000000000000000b R15: 00007faa43d850d0
| [   25.432239][  T201] softirqs last disabled at (907427): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   25.432241][  T201] Preemption disabled at:
| [   25.432242][  T201] vprintk_emit (kernel/printk/printk.c:2471)
| [   25.432252][  T201] Tainted: [W]=WARN
[   25.432253][  T201] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.432255][  T201] Call Trace:
[   25.432257][  T201]  <TASK>
[   25.432258][  T201]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   25.432264][  T201]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   25.432267][  T201]  __might_resched.cold (kernel/sched/core.c:9234)
[   25.432272][  T201]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   25.432276][  T201]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   25.432281][  T201]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   25.432283][  T201]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.432290][  T201]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   25.432293][  T201]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.432297][  T201]  put_chars (drivers/char/virtio_console.c:1176)
[   25.432300][  T201]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   25.432303][  T201]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   25.432306][  T201]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   25.432310][  T201]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   25.432314][  T201]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   25.432319][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.432320][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.432325][  T201]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   25.432329][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.432333][  T201]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.432337][  T201]  console_emit_next_record (kernel/printk/printk.c:3183)
[   25.432341][  T201]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   25.432346][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.432349][  T201]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.432353][  T201]  console_flush_one_record (kernel/printk/printk.c:3268)
[   25.432358][  T201]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   25.432360][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.432366][  T201]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   25.432369][  T201]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   25.432371][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.432373][  T201]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 18) ./include/trace/events/lock.h:23 (discriminator 18) kernel/locking/lockdep.c:5871 (discriminator 18))
[   25.432377][  T201]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   25.432379][  T201]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   25.432385][  T201]  vprintk_emit (kernel/printk/printk.c:2479)
[   25.432389][  T201]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   25.432391][  T201]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   25.432393][  T201]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   25.432395][  T201]  ? enabled_store (./include/linux/console.h:573 drivers/net/netconsole.c:1037) netconsole
[   25.432398][  T201]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.432403][  T201]  _printk (kernel/printk/printk.c:2504)
[   25.432406][  T201]  ? snapshot_read.cold (user.c:?)
[   25.432410][  T201]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999)
[   25.432412][  T201]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1))
[   25.432416][  T201]  ? __mutex_unlock_slowpath (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:4480 kernel/locking/mutex.c:1021)
[   25.432419][  T201] netconsole_print_banner (drivers/net/netconsole.c:729 (discriminator 1)) netconsole
[   25.432424][  T201] enabled_store.cold (drivers/net/netconsole.c:1054) netconsole
[   25.432426][  T201]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   25.432430][  T201]  ? netconsole_write_ext (drivers/net/netconsole.c:2504) netconsole
[   25.432432][  T201]  ? down_write_killable_nested (./arch/x86/include/asm/atomic64_64.h:20)
[   25.432435][  T201]  ? __kmalloc_cache_noprof (mm/slub.c:5561 (discriminator 1))
[   25.432438][  T201]  ? configfs_write_iter (./include/linux/slab.h:991 (discriminator 1) fs/configfs/file.c:187 (discriminator 1) fs/configfs/file.c:227 (discriminator 1))
[   25.432445][  T201]  ? netconsole_write_ext (drivers/net/netconsole.c:2504) netconsole
[   25.432448][  T201]  configfs_write_iter (fs/configfs/file.c:207 fs/configfs/file.c:229)
[   25.432450][  T201]  ? configfs_bin_write_iter (fs/configfs/file.c:287 (discriminator 1))
[   25.432453][  T201]  new_sync_write (fs/read_write.c:595)
[   25.432456][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.432458][  T201]  ? new_sync_read (./include/linux/ioprio.h:41)
[   25.432462][  T201]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.432464][  T201]  ? ksys_write (fs/read_write.c:739)
[   25.432471][  T201]  vfs_write (fs/read_write.c:687)
[   25.432475][  T201]  ksys_write (fs/read_write.c:739)
[   25.432478][  T201]  ? __ia32_sys_read (fs/read_write.c:723)
[   25.432481][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.432485][  T201]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   25.432487][  T201]  ? common_interrupt (arch/x86/kernel/irq.c:273 (discriminator 18))
[   25.432491][  T201]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.432493][  T201] RIP: 0033:0x7faa43f8a312
[   25.432497][  T201] 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)
[   25.432499][  T201] RSP: 002b:00007fff56205178 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   25.432502][  T201] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007faa43f8a312
[   25.432504][  T201] RDX: 0000000000000001 RSI: 00005583e4ae32b0 RDI: 000000000000000b
[   25.432505][  T201] RBP: 00007fff562051a0 R08: 0000000000000000 R09: 0000000000000000
[   25.432506][  T201] R10: 0000000000000000 R11: 0000000000000246 R12: 00007faa43df7390
[   25.432507][  T201] R13: 00005583e4ae32b0 R14: 000000000000000b R15: 00007faa43d850d0
| [   26.612082][  T201] softirqs last disabled at (931741): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   26.612085][  T201] Preemption disabled at:
| [   26.612086][  T201] vprintk_emit (kernel/printk/printk.c:2471)
| [   26.612096][  T201] Tainted: [W]=WARN
[   26.612097][  T201] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.612099][  T201] Call Trace:
[   26.612101][  T201]  <TASK>
[   26.612103][  T201]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   26.612109][  T201]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   26.612111][  T201]  __might_resched.cold (kernel/sched/core.c:9234)
[   26.612116][  T201]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   26.612120][  T201]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   26.612125][  T201]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   26.612128][  T201]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.612135][  T201]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   26.612138][  T201]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.612142][  T201]  put_chars (drivers/char/virtio_console.c:1176)
[   26.612145][  T201]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   26.612148][  T201]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   26.612151][  T201]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   26.612154][  T201]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   26.612159][  T201]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   26.612163][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.612165][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.612169][  T201]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   26.612173][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.612177][  T201]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.612181][  T201]  console_emit_next_record (kernel/printk/printk.c:3183)
[   26.612184][  T201]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   26.612189][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.612192][  T201]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.612196][  T201]  console_flush_one_record (kernel/printk/printk.c:3268)
[   26.612200][  T201]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   26.612202][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.612207][  T201]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   26.612210][  T201]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   26.612212][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.612215][  T201]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 18) ./include/trace/events/lock.h:23 (discriminator 18) kernel/locking/lockdep.c:5871 (discriminator 18))
[   26.612219][  T201]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   26.612221][  T201]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   26.612224][  T201]  vprintk_emit (kernel/printk/printk.c:2479)
[   26.612228][  T201]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   26.612231][  T201]  ? _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)
[   26.612237][  T201]  devkmsg_emit.constprop.0 (kernel/printk/printk.c:733)
[   26.612241][  T201]  ? vprintk_emit.cold (kernel/printk/printk.c:2449)
[   26.612245][  T201]  ? __kmalloc_noprof (mm/slub.c:5415 mm/slub.c:5439)
[   26.612247][  T201]  ? idr_get_free (??:?)
[   26.612251][  T201]  ? devkmsg_write (./include/linux/slab.h:995 kernel/printk/printk.c:762)
[   26.612254][  T201]  ? _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)
[   26.612256][  T201]  devkmsg_write.cold (kernel/printk/printk.c:796)
[   26.612259][  T201]  ? vprintk_default (kernel/printk/printk.c:2494)
[   26.612264][  T201]  ? vprintk_default (kernel/printk/printk.c:2494)
[   26.612267][  T201]  new_sync_write (fs/read_write.c:595)
[   26.612271][  T201]  ? new_sync_read (./include/linux/ioprio.h:41)
[   26.612275][  T201]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.612280][  T201]  ? __fget_files (./include/linux/rcupdate.h:882 fs/file.c:1100)
[   26.612284][  T201]  vfs_write (fs/read_write.c:687)
[   26.612288][  T201]  ksys_write (fs/read_write.c:739)
[   26.612291][  T201]  ? __ia32_sys_read (fs/read_write.c:723)
[   26.612294][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.612298][  T201]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   26.612301][  T201]  ? common_interrupt (arch/x86/kernel/irq.c:273 (discriminator 18))
[   26.612304][  T201]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.612307][  T201] RIP: 0033:0x7faa43f8a312
[   26.612311][  T201] 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)
[   26.612313][  T201] RSP: 002b:00007fff56205178 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   26.612316][  T201] RAX: ffffffffffffffda RBX: 0000000000000316 RCX: 00007faa43f8a312
[   26.612318][  T201] RDX: 0000000000000316 RSI: 00005583e4ae32b0 RDI: 000000000000000b
[   26.612319][  T201] RBP: 00007fff562051a0 R08: 0000000000000000 R09: 0000000000000000
[   26.612320][  T201] R10: 0000000000000000 R11: 0000000000000246 R12: 00007faa43df7390
[   26.612321][  T201] R13: 00005583e4ae32b0 R14: 000000000000000b R15: 00007faa43d850d0
| [   27.833209][  T201] softirqs last disabled at (1022457): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   27.833211][  T201] Preemption disabled at:
| [   27.833212][  T201] vprintk_emit (kernel/printk/printk.c:2471)
| [   27.833222][  T201] Tainted: [W]=WARN
[   27.833223][  T201] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.833225][  T201] Call Trace:
[   27.833226][  T201]  <TASK>
[   27.833228][  T201]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.833234][  T201]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   27.833236][  T201]  __might_resched.cold (kernel/sched/core.c:9234)
[   27.833241][  T201]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   27.833245][  T201]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   27.833250][  T201]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   27.833253][  T201]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.833260][  T201]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   27.833263][  T201]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.833267][  T201]  put_chars (drivers/char/virtio_console.c:1176)
[   27.833271][  T201]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   27.833273][  T201]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   27.833277][  T201]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   27.833280][  T201]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   27.833285][  T201]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   27.833289][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.833291][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.833296][  T201]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   27.833300][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.833304][  T201]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.833308][  T201]  console_emit_next_record (kernel/printk/printk.c:3183)
[   27.833312][  T201]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   27.833317][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.833320][  T201]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.833324][  T201]  console_flush_one_record (kernel/printk/printk.c:3268)
[   27.833329][  T201]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   27.833331][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.833337][  T201]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   27.833340][  T201]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   27.833343][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.833345][  T201]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 18) ./include/trace/events/lock.h:23 (discriminator 18) kernel/locking/lockdep.c:5871 (discriminator 18))
[   27.833349][  T201]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   27.833351][  T201]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   27.833355][  T201]  vprintk_emit (kernel/printk/printk.c:2479)
[   27.833360][  T201]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   27.833362][  T201]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   27.833364][  T201]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   27.833366][  T201]  ? enabled_store (./include/linux/console.h:573 drivers/net/netconsole.c:1037) netconsole
[   27.833368][  T201]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.833373][  T201]  _printk (kernel/printk/printk.c:2504)
[   27.833377][  T201]  ? snapshot_read.cold (user.c:?)
[   27.833380][  T201]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999)
[   27.833384][  T201]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1))
[   27.833389][  T201]  ? __mutex_unlock_slowpath (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:4480 kernel/locking/mutex.c:1021)
[   27.833391][  T201] netconsole_print_banner (drivers/net/netconsole.c:729 (discriminator 1)) netconsole
[   27.833396][  T201] enabled_store.cold (drivers/net/netconsole.c:1054) netconsole
[   27.833399][  T201]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   27.833403][  T201]  ? netconsole_write_ext (drivers/net/netconsole.c:2504) netconsole
[   27.833405][  T201]  ? down_write_killable_nested (./arch/x86/include/asm/atomic64_64.h:20)
[   27.833407][  T201]  ? __kmalloc_cache_noprof (mm/slub.c:5561 (discriminator 1))
[   27.833410][  T201]  ? configfs_write_iter (./include/linux/slab.h:991 (discriminator 1) fs/configfs/file.c:187 (discriminator 1) fs/configfs/file.c:227 (discriminator 1))
[   27.833414][  T201]  ? netconsole_write_ext (drivers/net/netconsole.c:2504) netconsole
[   27.833417][  T201]  configfs_write_iter (fs/configfs/file.c:207 fs/configfs/file.c:229)
[   27.833419][  T201]  ? configfs_bin_write_iter (fs/configfs/file.c:287 (discriminator 1))
[   27.833422][  T201]  new_sync_write (fs/read_write.c:595)
[   27.833425][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.833428][  T201]  ? new_sync_read (./include/linux/ioprio.h:41)
[   27.833431][  T201]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.833433][  T201]  ? ksys_write (fs/read_write.c:739)
[   27.833441][  T201]  vfs_write (fs/read_write.c:687)
[   27.833446][  T201]  ksys_write (fs/read_write.c:739)
[   27.833449][  T201]  ? __ia32_sys_read (fs/read_write.c:723)
[   27.833452][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.833456][  T201]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   27.833459][  T201]  ? common_interrupt (arch/x86/kernel/irq.c:273 (discriminator 18))
[   27.833463][  T201]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   27.833465][  T201] RIP: 0033:0x7faa43f8a312
[   27.833469][  T201] 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)
[   27.833471][  T201] RSP: 002b:00007fff56205178 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   27.833474][  T201] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007faa43f8a312
[   27.833476][  T201] RDX: 0000000000000001 RSI: 00005583e4ae32b0 RDI: 000000000000000b
[   27.833477][  T201] RBP: 00007fff562051a0 R08: 0000000000000000 R09: 0000000000000000
[   27.833478][  T201] R10: 0000000000000000 R11: 0000000000000246 R12: 00007faa43df7390


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