======================================
| [   11.821830][  T199] softirqs last disabled at (37691): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   11.821832][  T199] Preemption disabled at:
| [   11.821833][  T199] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.821842][  T199] Tainted: [W]=WARN
[   11.821843][  T199] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.821845][  T199] Call Trace:
[   11.821846][  T199]  <TASK>
[   11.821848][  T199]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.821854][  T199]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.821856][  T199]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.821861][  T199]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.821865][  T199]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.821870][  T199]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   11.821873][  T199]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.821879][  T199]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.821882][  T199]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.821886][  T199]  put_chars (drivers/char/virtio_console.c:1176)
[   11.821889][  T199]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.821893][  T199]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.821897][  T199]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.821905][  T199]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.821908][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.821911][  T199]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.821915][  T199]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.821919][  T199]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.821923][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.821925][  T199]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.821929][  T199]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.821933][  T199]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.821935][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.821940][  T199]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.821943][  T199]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.821945][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.821947][  T199]  ? 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))
[   11.821951][  T199]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.821952][  T199]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.821956][  T199]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.821960][  T199]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.821962][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.821965][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.821966][  T199]  ? fast_dput (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) fs/dcache.c:948 (discriminator 2))
[   11.821970][  T199]  ? cleanup_netconsole (./include/linux/list.h:99 (discriminator 2) ./include/linux/list.h:169 (discriminator 2) ./include/linux/list.h:206 (discriminator 2) ./include/linux/configfs.h:112 (discriminator 2) drivers/net/netconsole.c:1718 (discriminator 2)) netconsole
[   11.821974][  T199]  _printk (kernel/printk/printk.c:2504)
[   11.821978][  T199]  ? snapshot_read.cold (user.c:?)
[   11.821980][  T199]  ? __up_write (kernel/locking/rwsem.c:1422 (discriminator 1))
[   11.821983][  T199]  ? cleanup_netconsole (./include/linux/list.h:99 (discriminator 2) ./include/linux/list.h:169 (discriminator 2) ./include/linux/list.h:206 (discriminator 2) ./include/linux/configfs.h:112 (discriminator 2) drivers/net/netconsole.c:1718 (discriminator 2)) netconsole
[   11.821987][  T199]  ? configfs_register_subsystem (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:1383 fs/configfs/dir.c:173 fs/configfs/dir.c:171 fs/configfs/dir.c:1929)
[   11.821991][  T199] init_netconsole (drivers/net/netconsole.c:1286) netconsole
[   11.821994][  T199]  ? cleanup_netconsole (./include/linux/list.h:99 (discriminator 2) ./include/linux/list.h:169 (discriminator 2) ./include/linux/list.h:206 (discriminator 2) ./include/linux/configfs.h:112 (discriminator 2) drivers/net/netconsole.c:1718 (discriminator 2)) netconsole
[   11.822001][  T199]  ? cleanup_netconsole (./include/linux/list.h:99 (discriminator 2) ./include/linux/list.h:169 (discriminator 2) ./include/linux/list.h:206 (discriminator 2) ./include/linux/configfs.h:112 (discriminator 2) drivers/net/netconsole.c:1718 (discriminator 2)) netconsole
[   11.822004][  T199]  do_one_initcall (init/main.c:1357)
[   11.822007][  T199]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   11.822011][  T199]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   11.822014][  T199]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   11.822019][  T199]  do_init_module (kernel/module/main.c:3117)
[   11.822023][  T199]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   11.822027][  T199]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   11.822031][  T199]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   11.822035][  T199]  load_module (kernel/module/main.c:3593)
[   11.822042][  T199]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   11.822045][  T199]  ? __ia32_sys_fsconfig (??:?)
[   11.822048][  T199]  ? add_chain_cache (kernel/locking/lockdep.c:3782)
[   11.822053][  T199]  init_module_from_file (kernel/module/main.c:3790)
[   11.822056][  T199]  ? __ia32_sys_init_module (kernel/module/main.c:3647)
[   11.822064][  T199]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   11.822068][  T199]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.822071][  T199]  idempotent_init_module (kernel/module/main.c:3802)
[   11.822074][  T199]  ? init_module_from_file (kernel/module/main.c:3791)
[   11.822080][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.822083][  T199]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   11.822088][  T199]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   11.822091][  T199]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.822095][  T199]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.822097][  T199]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.822100][  T199]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.822102][  T199] RIP: 0033:0x7fc128bb537d
[   11.822105][  T199] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48
All code
========
   0:	ff c3                	inc    %ebx
   2:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   9:	00 00 00 
   c:	90                   	nop
   d:	f3 0f 1e fa          	endbr64
  11:	48 89 f8             	mov    %rdi,%rax
  14:	48 89 f7             	mov    %rsi,%rdi
  17:	48 89 d6             	mov    %rdx,%rsi
  1a:	48 89 ca             	mov    %rcx,%rdx
  1d:	4d 89 c2             	mov    %r8,%r10
  20:	4d 89 c8             	mov    %r9,%r8
  23:	4c 8b 4c 24 08       	mov    0x8(%rsp),%r9
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa85
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa5b
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   11.822107][  T199] RSP: 002b:00007fff1f3f58b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   11.822110][  T199] RAX: ffffffffffffffda RBX: 0000556c3b655700 RCX: 00007fc128bb537d
[   11.822111][  T199] RDX: 0000000000000000 RSI: 0000556c26067ffd RDI: 0000000000000005
[   11.822112][  T199] RBP: 00007fff1f3f5950 R08: 0000000000000000 R09: 0000000000000000
[   11.822113][  T199] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556c26067ffd
[   11.822114][  T199] R13: 0000556c3b655810 R14: 0000000000040000 R15: 0000000000000000
| [   13.132278][  T256] softirqs last disabled at (79519): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   13.132281][  T256] Preemption disabled at:
| [   13.132281][  T256] 0x0
| [   13.132292][  T256] Tainted: [W]=WARN
[   13.132293][  T256] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.132295][  T256] Call Trace:
[   13.132297][  T256]  <TASK>
[   13.132298][  T256]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.132305][  T256]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.132309][  T256]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.132313][  T256]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   13.132318][  T256]  __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))
[   13.132321][  T256]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.132327][  T256]  ? 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)
[   13.132330][  T256]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.132334][  T256]  put_chars (drivers/char/virtio_console.c:1176)
[   13.132337][  T256]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.132339][  T256]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   13.132342][  T256]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.132346][  T256]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.132350][  T256]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.132353][  T256]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.132355][  T256]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.132359][  T256]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.132363][  T256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.132366][  T256]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.132370][  T256]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.132374][  T256]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.132380][  T256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.132382][  T256]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.132386][  T256]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.132390][  T256]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.132392][  T256]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.132397][  T256]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.132400][  T256]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.132401][  T256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.132404][  T256]  ? 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))
[   13.132407][  T256]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.132409][  T256]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.132412][  T256]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.132416][  T256]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.132419][  T256]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.132423][  T256]  _printk (kernel/printk/printk.c:2504)
[   13.132426][  T256]  ? snapshot_read.cold (user.c:?)
[   13.132429][  T256]  ? 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)
[   13.132432][  T256]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   13.132435][  T256]  ? 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)
[   13.132438][  T256]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   13.132442][  T256]  ? exit_notify (kernel/exit.c:780)
[   13.132443][  T256]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.132446][  T256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.132450][  T256]  do_group_exit (kernel/exit.c:1151)
[   13.132452][  T256]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   13.132454][  T256]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   13.132456][  T256]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.132460][  T256]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   13.132464][  T256]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.132466][  T256] RIP: 0033:0x7f42e14f11b8
[   13.132469][  T256] Code: Unable to access opcode bytes at 0x7f42e14f118e.

Code starting with the faulting instruction
===========================================
[   13.132470][  T256] RSP: 002b:00007fff8b07cce8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   13.132472][  T256] RAX: ffffffffffffffda RBX: 00007f42e1621f88 RCX: 00007f42e14f11b8
[   13.132474][  T256] RDX: 00007f42e123bfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   13.132475][  T256] RBP: 00007fff8b07cd40 R08: 0000000000000000 R09: 0000000000000020
[   13.132476][  T256] R10: 00007fff8b07cb00 R11: 0000000000000246 R12: 0000000000000001
[   13.132477][  T256] R13: 0000000000000000 R14: 00007f42e1620680 R15: 00007f42e1621fa0
| [   14.562607][  T198] softirqs last disabled at (497929): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   14.562609][  T198] Preemption disabled at:
| [   14.562610][  T198] vprintk_emit (kernel/printk/printk.c:2471)
| [   14.562620][  T198] Tainted: [W]=WARN
[   14.562621][  T198] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.562623][  T198] Call Trace:
[   14.562624][  T198]  <TASK>
[   14.562626][  T198]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   14.562632][  T198]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   14.562635][  T198]  __might_resched.cold (kernel/sched/core.c:9234)
[   14.562639][  T198]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   14.562643][  T198]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   14.562649][  T198]  __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))
[   14.562651][  T198]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.562658][  T198]  ? 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)
[   14.562661][  T198]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.562665][  T198]  put_chars (drivers/char/virtio_console.c:1176)
[   14.562668][  T198]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   14.562670][  T198]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   14.562674][  T198]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.562677][  T198]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.562681][  T198]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   14.562685][  T198]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.562687][  T198]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.562691][  T198]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   14.562695][  T198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.562699][  T198]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.562703][  T198]  console_emit_next_record (kernel/printk/printk.c:3183)
[   14.562707][  T198]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   14.562711][  T198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.562714][  T198]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.562717][  T198]  console_flush_one_record (kernel/printk/printk.c:3268)
[   14.562722][  T198]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   14.562724][  T198]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.562729][  T198]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   14.562731][  T198]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   14.562733][  T198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.562736][  T198]  ? 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))
[   14.562739][  T198]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   14.562741][  T198]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   14.562745][  T198]  vprintk_emit (kernel/printk/printk.c:2479)
[   14.562748][  T198]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   14.562751][  T198]  ? _copy_from_iter (./include/linux/instrumented.h:146 lib/iov_iter.c:66 ./include/linux/iov_iter.h:30 ./include/linux/iov_iter.h:302 ./include/linux/iov_iter.h:330 lib/iov_iter.c:261 lib/iov_iter.c:272)
[   14.562757][  T198]  devkmsg_emit.constprop.0 (kernel/printk/printk.c:733)
[   14.562760][  T198]  ? vprintk_emit.cold (kernel/printk/printk.c:2449)
[   14.562764][  T198]  ? __kmalloc_noprof (mm/slub.c:5415 mm/slub.c:5439)
[   14.562766][  T198]  ? idr_get_free (??:?)
[   14.562769][  T198]  ? devkmsg_write (./include/linux/slab.h:995 kernel/printk/printk.c:762)
[   14.562772][  T198]  ? _copy_from_iter (./include/linux/instrumented.h:146 lib/iov_iter.c:66 ./include/linux/iov_iter.h:30 ./include/linux/iov_iter.h:302 ./include/linux/iov_iter.h:330 lib/iov_iter.c:261 lib/iov_iter.c:272)
[   14.562775][  T198]  devkmsg_write.cold (kernel/printk/printk.c:796)
[   14.562777][  T198]  ? vprintk_default (kernel/printk/printk.c:2494)
[   14.562782][  T198]  ? vprintk_default (kernel/printk/printk.c:2494)
[   14.562784][  T198]  new_sync_write (fs/read_write.c:595)
[   14.562789][  T198]  ? new_sync_read (./include/linux/ioprio.h:41)
[   14.562792][  T198]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.562797][  T198]  ? __fget_files (./include/linux/rcupdate.h:882 fs/file.c:1100)
[   14.562801][  T198]  vfs_write (fs/read_write.c:687)
[   14.562805][  T198]  ksys_write (fs/read_write.c:739)
[   14.562808][  T198]  ? __ia32_sys_read (fs/read_write.c:723)
[   14.562810][  T198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.562817][  T198]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   14.562819][  T198]  ? irq_exit_rcu (kernel/softirq.c:786)
[   14.562821][  T198]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.562824][  T198] RIP: 0033:0x7f9237b66312
[   14.562828][  T198] 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)
[   14.562831][  T198] RSP: 002b:00007ffd6624bb68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   14.562834][  T198] RAX: ffffffffffffffda RBX: 00000000000002ee RCX: 00007f9237b66312
[   14.562835][  T198] RDX: 00000000000002ee RSI: 00005611226002b0 RDI: 000000000000000b
[   14.562836][  T198] RBP: 00007ffd6624bb90 R08: 0000000000000000 R09: 0000000000000000
[   14.562837][  T198] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f92379d3390
[   14.562838][  T198] R13: 00005611226002b0 R14: 000000000000000b R15: 00007f92379610d0
| [   16.030003][  T198] softirqs last disabled at (699545): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   16.030005][  T198] Preemption disabled at:
| [   16.030006][  T198] vprintk_emit (kernel/printk/printk.c:2471)
| [   16.030016][  T198] Tainted: [W]=WARN
[   16.030017][  T198] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.030019][  T198] Call Trace:
[   16.030021][  T198]  <TASK>
[   16.030023][  T198]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   16.030029][  T198]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   16.030031][  T198]  __might_resched.cold (kernel/sched/core.c:9234)
[   16.030036][  T198]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   16.030040][  T198]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   16.030046][  T198]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   16.030048][  T198]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.030055][  T198]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   16.030058][  T198]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.030062][  T198]  put_chars (drivers/char/virtio_console.c:1176)
[   16.030065][  T198]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   16.030067][  T198]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   16.030071][  T198]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.030074][  T198]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.030078][  T198]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   16.030082][  T198]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.030084][  T198]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.030089][  T198]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   16.030092][  T198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.030096][  T198]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.030100][  T198]  console_emit_next_record (kernel/printk/printk.c:3183)
[   16.030104][  T198]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   16.030108][  T198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.030110][  T198]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.030114][  T198]  console_flush_one_record (kernel/printk/printk.c:3268)
[   16.030118][  T198]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   16.030120][  T198]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.030125][  T198]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   16.030128][  T198]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   16.030130][  T198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.030133][  T198]  ? 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))
[   16.030137][  T198]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   16.030138][  T198]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   16.030142][  T198]  vprintk_emit (kernel/printk/printk.c:2479)
[   16.030146][  T198]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   16.030149][  T198]  ? _copy_from_iter (./include/linux/instrumented.h:146 lib/iov_iter.c:66 ./include/linux/iov_iter.h:30 ./include/linux/iov_iter.h:302 ./include/linux/iov_iter.h:330 lib/iov_iter.c:261 lib/iov_iter.c:272)
[   16.030155][  T198]  devkmsg_emit.constprop.0 (kernel/printk/printk.c:733)
[   16.030159][  T198]  ? vprintk_emit.cold (kernel/printk/printk.c:2449)
[   16.030163][  T198]  ? __kmalloc_noprof (mm/slub.c:5415 mm/slub.c:5439)
[   16.030165][  T198]  ? idr_get_free (??:?)
[   16.030168][  T198]  ? devkmsg_write (./include/linux/slab.h:995 kernel/printk/printk.c:762)
[   16.030172][  T198]  ? _copy_from_iter (./include/linux/instrumented.h:146 lib/iov_iter.c:66 ./include/linux/iov_iter.h:30 ./include/linux/iov_iter.h:302 ./include/linux/iov_iter.h:330 lib/iov_iter.c:261 lib/iov_iter.c:272)
[   16.030174][  T198]  devkmsg_write.cold (kernel/printk/printk.c:796)
[   16.030177][  T198]  ? vprintk_default (kernel/printk/printk.c:2494)
[   16.030181][  T198]  ? vprintk_default (kernel/printk/printk.c:2494)
[   16.030184][  T198]  new_sync_write (fs/read_write.c:595)
[   16.030189][  T198]  ? new_sync_read (./include/linux/ioprio.h:41)
[   16.030192][  T198]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.030197][  T198]  ? __fget_files (./include/linux/rcupdate.h:882 fs/file.c:1100)
[   16.030201][  T198]  vfs_write (fs/read_write.c:687)
[   16.030205][  T198]  ksys_write (fs/read_write.c:739)
[   16.030208][  T198]  ? __ia32_sys_read (fs/read_write.c:723)
[   16.030210][  T198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.030212][  T198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.030216][  T198]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   16.030219][  T198]  ? common_interrupt (arch/x86/kernel/irq.c:273 (discriminator 18))
[   16.030222][  T198]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.030224][  T198] RIP: 0033:0x7f9237b66312
[   16.030229][  T198] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[   16.030230][  T198] RSP: 002b:00007ffd6624bb68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   16.030233][  T198] RAX: ffffffffffffffda RBX: 00000000000002ee RCX: 00007f9237b66312
[   16.030235][  T198] RDX: 00000000000002ee RSI: 00005611226002b0 RDI: 000000000000000b
[   16.030236][  T198] RBP: 00007ffd6624bb90 R08: 0000000000000000 R09: 0000000000000000
[   16.030237][  T198] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f92379d3390
[   16.030238][  T198] R13: 00005611226002b0 R14: 000000000000000b R15: 00007f92379610d0
| [   17.422231][  T198] softirqs last disabled at (910461): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   17.422233][  T198] Preemption disabled at:
| [   17.422234][  T198] vprintk_emit (kernel/printk/printk.c:2471)
| [   17.422244][  T198] Tainted: [W]=WARN
[   17.422245][  T198] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.422247][  T198] Call Trace:
[   17.422249][  T198]  <TASK>
[   17.422251][  T198]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   17.422257][  T198]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   17.422259][  T198]  __might_resched.cold (kernel/sched/core.c:9234)
[   17.422264][  T198]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   17.422268][  T198]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   17.422274][  T198]  __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))
[   17.422276][  T198]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.422283][  T198]  ? 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)
[   17.422286][  T198]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.422290][  T198]  put_chars (drivers/char/virtio_console.c:1176)
[   17.422294][  T198]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   17.422296][  T198]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   17.422300][  T198]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.422303][  T198]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   17.422307][  T198]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   17.422311][  T198]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.422313][  T198]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.422317][  T198]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   17.422321][  T198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.422325][  T198]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.422329][  T198]  console_emit_next_record (kernel/printk/printk.c:3183)
[   17.422333][  T198]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   17.422337][  T198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.422340][  T198]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.422344][  T198]  console_flush_one_record (kernel/printk/printk.c:3268)
[   17.422348][  T198]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   17.422350][  T198]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.422355][  T198]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   17.422358][  T198]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   17.422360][  T198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.422363][  T198]  ? 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))
[   17.422367][  T198]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   17.422369][  T198]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   17.422372][  T198]  vprintk_emit (kernel/printk/printk.c:2479)
[   17.422376][  T198]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   17.422380][  T198]  ? _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)
[   17.422386][  T198]  devkmsg_emit.constprop.0 (kernel/printk/printk.c:733)
[   17.422391][  T198]  ? vprintk_emit.cold (kernel/printk/printk.c:2449)
[   17.422395][  T198]  ? __kmalloc_noprof (mm/slub.c:5415 mm/slub.c:5439)
[   17.422397][  T198]  ? idr_get_free (??:?)
[   17.422401][  T198]  ? devkmsg_write (./include/linux/slab.h:995 kernel/printk/printk.c:762)
[   17.422404][  T198]  ? _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)
[   17.422407][  T198]  devkmsg_write.cold (kernel/printk/printk.c:796)
[   17.422409][  T198]  ? vprintk_default (kernel/printk/printk.c:2494)
[   17.422414][  T198]  ? vprintk_default (kernel/printk/printk.c:2494)
[   17.422417][  T198]  new_sync_write (fs/read_write.c:595)
[   17.422422][  T198]  ? new_sync_read (./include/linux/ioprio.h:41)
[   17.422425][  T198]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   17.422430][  T198]  ? __fget_files (./include/linux/rcupdate.h:882 fs/file.c:1100)
[   17.422435][  T198]  vfs_write (fs/read_write.c:687)
[   17.422439][  T198]  ksys_write (fs/read_write.c:739)
[   17.422442][  T198]  ? __ia32_sys_read (fs/read_write.c:723)
[   17.422445][  T198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.422448][  T198]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   17.422452][  T198]  ? common_interrupt (arch/x86/kernel/irq.c:273 (discriminator 18))
[   17.422455][  T198]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.422457][  T198] RIP: 0033:0x7f9237b66312
[   17.422462][  T198] 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)
[   17.422464][  T198] RSP: 002b:00007ffd6624bb68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   17.422467][  T198] RAX: ffffffffffffffda RBX: 00000000000002ee RCX: 00007f9237b66312
[   17.422469][  T198] RDX: 00000000000002ee RSI: 00005611226002b0 RDI: 000000000000000b
[   17.422470][  T198] RBP: 00007ffd6624bb90 R08: 0000000000000000 R09: 0000000000000000
[   17.422471][  T198] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f92379d3390
[   17.422472][  T198] R13: 00005611226002b0 R14: 000000000000000b R15: 00007f92379610d0
| [   18.485497][  T198] softirqs last disabled at (1031121): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   18.485500][  T198] Preemption disabled at:
| [   18.485500][  T198] vprintk_emit (kernel/printk/printk.c:2471)
| [   18.485510][  T198] Tainted: [W]=WARN
[   18.485511][  T198] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.485513][  T198] Call Trace:
[   18.485515][  T198]  <TASK>
[   18.485516][  T198]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   18.485522][  T198]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   18.485525][  T198]  __might_resched.cold (kernel/sched/core.c:9234)
[   18.485530][  T198]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   18.485534][  T198]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   18.485539][  T198]  __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))
[   18.485541][  T198]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.485548][  T198]  ? 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)
[   18.485551][  T198]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.485555][  T198]  put_chars (drivers/char/virtio_console.c:1176)
[   18.485559][  T198]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   18.485561][  T198]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   18.485565][  T198]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.485568][  T198]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   18.485572][  T198]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   18.485576][  T198]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.485578][  T198]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.485582][  T198]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   18.485593][  T198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.485596][  T198]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.485601][  T198]  console_emit_next_record (kernel/printk/printk.c:3183)
[   18.485605][  T198]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   18.485610][  T198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.485612][  T198]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.485616][  T198]  console_flush_one_record (kernel/printk/printk.c:3268)
[   18.485621][  T198]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   18.485623][  T198]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.485628][  T198]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   18.485631][  T198]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   18.485633][  T198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.485636][  T198]  ? 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))
[   18.485640][  T198]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   18.485641][  T198]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   18.485645][  T198]  vprintk_emit (kernel/printk/printk.c:2479)
[   18.485650][  T198]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   18.485652][  T198]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.485654][  T198]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   18.485656][  T198]  ? enabled_store (./include/linux/console.h:573 drivers/net/netconsole.c:1037) netconsole
[   18.485659][  T198]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.485663][  T198]  _printk (kernel/printk/printk.c:2504)
[   18.485667][  T198]  ? snapshot_read.cold (user.c:?)
[   18.485670][  T198]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999)
[   18.485674][  T198]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1))
[   18.485678][  T198]  ? __mutex_unlock_slowpath (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:4480 kernel/locking/mutex.c:1021)
[   18.485681][  T198] netconsole_print_banner (drivers/net/netconsole.c:729 (discriminator 1)) netconsole
[   18.485685][  T198] enabled_store.cold (drivers/net/netconsole.c:1054) netconsole
[   18.485688][  T198]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   18.485692][  T198]  ? netconsole_write_ext (drivers/net/netconsole.c:2504) netconsole
[   18.485696][  T198]  ? down_write_killable_nested (./arch/x86/include/asm/atomic64_64.h:20)
[   18.485700][  T198]  ? __kmalloc_cache_noprof (mm/slub.c:5561 (discriminator 1))
[   18.485704][  T198]  ? configfs_write_iter (./include/linux/slab.h:991 (discriminator 1) fs/configfs/file.c:187 (discriminator 1) fs/configfs/file.c:227 (discriminator 1))
[   18.485709][  T198]  ? netconsole_write_ext (drivers/net/netconsole.c:2504) netconsole
[   18.485711][  T198]  configfs_write_iter (fs/configfs/file.c:207 fs/configfs/file.c:229)
[   18.485714][  T198]  ? configfs_bin_write_iter (fs/configfs/file.c:287 (discriminator 1))
[   18.485717][  T198]  new_sync_write (fs/read_write.c:595)
[   18.485719][  T198]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.485722][  T198]  ? new_sync_read (./include/linux/ioprio.h:41)
[   18.485725][  T198]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.485727][  T198]  ? ksys_write (fs/read_write.c:739)
[   18.485734][  T198]  vfs_write (fs/read_write.c:687)
[   18.485738][  T198]  ksys_write (fs/read_write.c:739)
[   18.485741][  T198]  ? __ia32_sys_read (fs/read_write.c:723)
[   18.485744][  T198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.485747][  T198]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   18.485750][  T198]  ? common_interrupt (arch/x86/kernel/irq.c:273 (discriminator 18))
[   18.485753][  T198]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.485756][  T198] RIP: 0033:0x7f9237b66312
[   18.485760][  T198] 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)
[   18.485762][  T198] RSP: 002b:00007ffd6624bb68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   18.485765][  T198] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f9237b66312
[   18.485766][  T198] RDX: 0000000000000001 RSI: 00005611226002b0 RDI: 000000000000000b
[   18.485767][  T198] RBP: 00007ffd6624bb90 R08: 0000000000000000 R09: 0000000000000000
[   18.485768][  T198] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f92379d3390
[   18.485769][  T198] R13: 00005611226002b0 R14: 000000000000000b R15: 00007f92379610d0
| [   19.783765][  T198] softirqs last disabled at (1171467): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   19.783768][  T198] Preemption disabled at:
| [   19.783769][  T198] vprintk_emit (kernel/printk/printk.c:2471)
| [   19.783779][  T198] Tainted: [W]=WARN
[   19.783780][  T198] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.783782][  T198] Call Trace:
[   19.783784][  T198]  <TASK>
[   19.783786][  T198]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   19.783792][  T198]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   19.783794][  T198]  __might_resched.cold (kernel/sched/core.c:9234)
[   19.783802][  T198]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   19.783806][  T198]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   19.783811][  T198]  __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))
[   19.783814][  T198]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.783821][  T198]  ? 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)
[   19.783824][  T198]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.783828][  T198]  put_chars (drivers/char/virtio_console.c:1176)
[   19.783832][  T198]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   19.783834][  T198]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   19.783838][  T198]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   19.783841][  T198]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   19.783845][  T198]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   19.783849][  T198]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.783851][  T198]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.783855][  T198]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   19.783859][  T198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.783863][  T198]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.783867][  T198]  console_emit_next_record (kernel/printk/printk.c:3183)
[   19.783871][  T198]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   19.783875][  T198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.783878][  T198]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.783882][  T198]  console_flush_one_record (kernel/printk/printk.c:3268)
[   19.783886][  T198]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   19.783888][  T198]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.783893][  T198]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   19.783896][  T198]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   19.783898][  T198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.783901][  T198]  ? 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))
[   19.783905][  T198]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   19.783907][  T198]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   19.783910][  T198]  vprintk_emit (kernel/printk/printk.c:2479)
[   19.783914][  T198]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   19.783920][  T198]  devkmsg_emit.constprop.0 (kernel/printk/printk.c:733)
[   19.783924][  T198]  ? vprintk_emit.cold (kernel/printk/printk.c:2449)
[   19.783928][  T198]  ? __kmalloc_noprof (mm/slub.c:5415 mm/slub.c:5439)
[   19.783930][  T198]  ? idr_get_free (??:?)
[   19.783934][  T198]  ? devkmsg_write (./include/linux/slab.h:995 kernel/printk/printk.c:762)
[   19.783937][  T198]  ? _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)
[   19.783942][  T198]  devkmsg_write.cold (kernel/printk/printk.c:796)
[   19.783945][  T198]  ? vprintk_default (kernel/printk/printk.c:2494)
[   19.783950][  T198]  ? vprintk_default (kernel/printk/printk.c:2494)
[   19.783952][  T198]  new_sync_write (fs/read_write.c:595)
[   19.783957][  T198]  ? new_sync_read (./include/linux/ioprio.h:41)
[   19.783961][  T198]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.783966][  T198]  ? __fget_files (./include/linux/rcupdate.h:882 fs/file.c:1100)
[   19.783969][  T198]  vfs_write (fs/read_write.c:687)
[   19.783974][  T198]  ksys_write (fs/read_write.c:739)
[   19.783977][  T198]  ? __ia32_sys_read (fs/read_write.c:723)
[   19.783980][  T198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.783983][  T198]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   19.783986][  T198]  ? common_interrupt (arch/x86/kernel/irq.c:273 (discriminator 18))
[   19.783990][  T198]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.783992][  T198] RIP: 0033:0x7f9237b66312
[   19.783997][  T198] 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)
[   19.783999][  T198] RSP: 002b:00007ffd6624bb68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   19.784002][  T198] RAX: ffffffffffffffda RBX: 00000000000002ee RCX: 00007f9237b66312
[   19.784004][  T198] RDX: 00000000000002ee RSI: 00005611226002b0 RDI: 000000000000000b
[   19.784005][  T198] RBP: 00007ffd6624bb90 R08: 0000000000000000 R09: 0000000000000000
[   19.784006][  T198] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f92379d3390
[   19.784007][  T198] R13: 00005611226002b0 R14: 000000000000000b R15: 00007f92379610d0
| [   21.058507][  T198] softirqs last disabled at (1278539): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   21.058509][  T198] Preemption disabled at:
| [   21.058510][  T198] vprintk_emit (kernel/printk/printk.c:2471)
| [   21.058520][  T198] Tainted: [W]=WARN
[   21.058521][  T198] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.058523][  T198] Call Trace:
[   21.058525][  T198]  <TASK>
[   21.058527][  T198]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   21.058533][  T198]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   21.058535][  T198]  __might_resched.cold (kernel/sched/core.c:9234)
[   21.058540][  T198]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   21.058544][  T198]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   21.058549][  T198]  __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))
[   21.058552][  T198]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.058559][  T198]  ? 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)
[   21.058561][  T198]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.058565][  T198]  put_chars (drivers/char/virtio_console.c:1176)
[   21.058569][  T198]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   21.058571][  T198]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   21.058574][  T198]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.058577][  T198]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   21.058582][  T198]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   21.058586][  T198]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.058588][  T198]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.058598][  T198]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   21.058601][  T198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.058605][  T198]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.058609][  T198]  console_emit_next_record (kernel/printk/printk.c:3183)
[   21.058613][  T198]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   21.058617][  T198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.058620][  T198]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.058624][  T198]  console_flush_one_record (kernel/printk/printk.c:3268)
[   21.058628][  T198]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   21.058630][  T198]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.058635][  T198]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   21.058638][  T198]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   21.058640][  T198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.058642][  T198]  ? 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))
[   21.058647][  T198]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   21.058649][  T198]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   21.058652][  T198]  vprintk_emit (kernel/printk/printk.c:2479)
[   21.058656][  T198]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   21.058659][  T198]  ? _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)
[   21.058667][  T198]  devkmsg_emit.constprop.0 (kernel/printk/printk.c:733)
[   21.058671][  T198]  ? vprintk_emit.cold (kernel/printk/printk.c:2449)
[   21.058675][  T198]  ? __kmalloc_noprof (mm/slub.c:5415 mm/slub.c:5439)
[   21.058677][  T198]  ? idr_get_free (??:?)
[   21.058681][  T198]  ? devkmsg_write (./include/linux/slab.h:995 kernel/printk/printk.c:762)
[   21.058684][  T198]  ? _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)
[   21.058686][  T198]  devkmsg_write.cold (kernel/printk/printk.c:796)
[   21.058689][  T198]  ? vprintk_default (kernel/printk/printk.c:2494)
[   21.058694][  T198]  ? vprintk_default (kernel/printk/printk.c:2494)
[   21.058698][  T198]  new_sync_write (fs/read_write.c:595)
[   21.058702][  T198]  ? new_sync_read (./include/linux/ioprio.h:41)
[   21.058706][  T198]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   21.058711][  T198]  ? __fget_files (./include/linux/rcupdate.h:882 fs/file.c:1100)
[   21.058715][  T198]  vfs_write (fs/read_write.c:687)
[   21.058719][  T198]  ksys_write (fs/read_write.c:739)
[   21.058722][  T198]  ? __ia32_sys_read (fs/read_write.c:723)
[   21.058724][  T198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.058728][  T198]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   21.058731][  T198]  ? common_interrupt (arch/x86/kernel/irq.c:273 (discriminator 18))
[   21.058734][  T198]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.058737][  T198] RIP: 0033:0x7f9237b66312
[   21.058741][  T198] 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)
[   21.058743][  T198] RSP: 002b:00007ffd6624bb68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   21.058746][  T198] RAX: ffffffffffffffda RBX: 0000000000000316 RCX: 00007f9237b66312
[   21.058747][  T198] RDX: 0000000000000316 RSI: 00005611226002b0 RDI: 000000000000000b
[   21.058748][  T198] RBP: 00007ffd6624bb90 R08: 0000000000000000 R09: 0000000000000000
[   21.058749][  T198] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f92379d3390
[   21.058750][  T198] R13: 00005611226002b0 R14: 000000000000000b R15: 00007f92379610d0
| [   22.722628][  T198] softirqs last disabled at (1531057): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   22.722631][  T198] Preemption disabled at:
| [   22.722631][  T198] vprintk_emit (kernel/printk/printk.c:2471)
| [   22.722641][  T198] Tainted: [W]=WARN
[   22.722642][  T198] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.722644][  T198] Call Trace:
[   22.722646][  T198]  <TASK>
[   22.722648][  T198]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   22.722654][  T198]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   22.722656][  T198]  __might_resched.cold (kernel/sched/core.c:9234)
[   22.722661][  T198]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   22.722665][  T198]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   22.722670][  T198]  __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))
[   22.722673][  T198]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   22.722680][  T198]  ? 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)
[   22.722683][  T198]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   22.722686][  T198]  put_chars (drivers/char/virtio_console.c:1176)
[   22.722690][  T198]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   22.722692][  T198]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   22.722696][  T198]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.722699][  T198]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   22.722703][  T198]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   22.722707][  T198]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.722709][  T198]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.722713][  T198]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   22.722717][  T198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.722721][  T198]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.722725][  T198]  console_emit_next_record (kernel/printk/printk.c:3183)
[   22.722729][  T198]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   22.722733][  T198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.722736][  T198]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.722739][  T198]  console_flush_one_record (kernel/printk/printk.c:3268)
[   22.722744][  T198]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   22.722746][  T198]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.722751][  T198]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   22.722754][  T198]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   22.722756][  T198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.722758][  T198]  ? 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))
[   22.722762][  T198]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   22.722764][  T198]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   22.722767][  T198]  vprintk_emit (kernel/printk/printk.c:2479)
[   22.722771][  T198]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   22.722774][  T198]  ? _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)
[   22.722780][  T198]  devkmsg_emit.constprop.0 (kernel/printk/printk.c:733)
[   22.722784][  T198]  ? vprintk_emit.cold (kernel/printk/printk.c:2449)
[   22.722788][  T198]  ? __kmalloc_noprof (mm/slub.c:5415 mm/slub.c:5439)
[   22.722790][  T198]  ? idr_get_free (??:?)
[   22.722793][  T198]  ? devkmsg_write (./include/linux/slab.h:995 kernel/printk/printk.c:762)
[   22.722796][  T198]  ? _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)
[   22.722799][  T198]  devkmsg_write.cold (kernel/printk/printk.c:796)
[   22.722802][  T198]  ? vprintk_default (kernel/printk/printk.c:2494)
[   22.722807][  T198]  ? vprintk_default (kernel/printk/printk.c:2494)
[   22.722809][  T198]  new_sync_write (fs/read_write.c:595)
[   22.722816][  T198]  ? new_sync_read (./include/linux/ioprio.h:41)
[   22.722819][  T198]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   22.722824][  T198]  ? __fget_files (./include/linux/rcupdate.h:882 fs/file.c:1100)
[   22.722828][  T198]  vfs_write (fs/read_write.c:687)
[   22.722833][  T198]  ksys_write (fs/read_write.c:739)
[   22.722835][  T198]  ? __ia32_sys_read (fs/read_write.c:723)
[   22.722838][  T198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.722842][  T198]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   22.722845][  T198]  ? irq_exit_rcu (kernel/softirq.c:786)
[   22.722848][  T198]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.722850][  T198] RIP: 0033:0x7f9237b66312
[   22.722854][  T198] 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)
[   22.722856][  T198] RSP: 002b:00007ffd6624bb68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   22.722859][  T198] RAX: ffffffffffffffda RBX: 0000000000000316 RCX: 00007f9237b66312
[   22.722861][  T198] RDX: 0000000000000316 RSI: 00005611226002b0 RDI: 000000000000000b
[   22.722862][  T198] RBP: 00007ffd6624bb90 R08: 0000000000000000 R09: 0000000000000000
[   22.722863][  T198] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f92379d3390
[   22.722864][  T198] R13: 00005611226002b0 R14: 000000000000000b R15: 00007f92379610d0
| [   23.848657][  T198] softirqs last disabled at (1639257): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   23.848659][  T198] Preemption disabled at:
| [   23.848660][  T198] vprintk_emit (kernel/printk/printk.c:2471)
| [   23.848671][  T198] Tainted: [W]=WARN
[   23.848672][  T198] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.848674][  T198] Call Trace:
[   23.848676][  T198]  <TASK>
[   23.848677][  T198]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   23.848684][  T198]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   23.848686][  T198]  __might_resched.cold (kernel/sched/core.c:9234)
[   23.848691][  T198]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   23.848696][  T198]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   23.848702][  T198]  __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))
[   23.848705][  T198]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.848712][  T198]  ? 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)
[   23.848716][  T198]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.848720][  T198]  put_chars (drivers/char/virtio_console.c:1176)
[   23.848724][  T198]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   23.848726][  T198]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   23.848730][  T198]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.848733][  T198]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   23.848737][  T198]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   23.848742][  T198]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.848743][  T198]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.848748][  T198]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   23.848752][  T198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.848756][  T198]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.848760][  T198]  console_emit_next_record (kernel/printk/printk.c:3183)
[   23.848763][  T198]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   23.848768][  T198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.848770][  T198]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.848774][  T198]  console_flush_one_record (kernel/printk/printk.c:3268)
[   23.848778][  T198]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   23.848780][  T198]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.848785][  T198]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   23.848788][  T198]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   23.848790][  T198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.848792][  T198]  ? 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))
[   23.848796][  T198]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   23.848798][  T198]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   23.848801][  T198]  vprintk_emit (kernel/printk/printk.c:2479)
[   23.848805][  T198]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   23.848808][  T198]  ? _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)
[   23.848816][  T198]  devkmsg_emit.constprop.0 (kernel/printk/printk.c:733)
[   23.848820][  T198]  ? vprintk_emit.cold (kernel/printk/printk.c:2449)
[   23.848824][  T198]  ? __kmalloc_noprof (mm/slub.c:5415 mm/slub.c:5439)
[   23.848826][  T198]  ? idr_get_free (??:?)
[   23.848829][  T198]  ? devkmsg_write (./include/linux/slab.h:995 kernel/printk/printk.c:762)
[   23.848832][  T198]  ? _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)
[   23.848834][  T198]  devkmsg_write.cold (kernel/printk/printk.c:796)
[   23.848837][  T198]  ? vprintk_default (kernel/printk/printk.c:2494)
[   23.848841][  T198]  ? vprintk_default (kernel/printk/printk.c:2494)
[   23.848844][  T198]  new_sync_write (fs/read_write.c:595)
[   23.848848][  T198]  ? new_sync_read (./include/linux/ioprio.h:41)
[   23.848852][  T198]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.848857][  T198]  ? __fget_files (./include/linux/rcupdate.h:882 fs/file.c:1100)
[   23.848860][  T198]  vfs_write (fs/read_write.c:687)
[   23.848865][  T198]  ksys_write (fs/read_write.c:739)
[   23.848867][  T198]  ? __ia32_sys_read (fs/read_write.c:723)
[   23.848870][  T198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.848874][  T198]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   23.848876][  T198]  ? common_interrupt (arch/x86/kernel/irq.c:273 (discriminator 18))
[   23.848879][  T198]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.848881][  T198] RIP: 0033:0x7f9237b66312
[   23.848886][  T198] 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)
[   23.848888][  T198] RSP: 002b:00007ffd6624bb68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   23.848891][  T198] RAX: ffffffffffffffda RBX: 0000000000000316 RCX: 00007f9237b66312
[   23.848893][  T198] RDX: 0000000000000316 RSI: 00005611226002b0 RDI: 000000000000000b
[   23.848894][  T198] RBP: 00007ffd6624bb90 R08: 0000000000000000 R09: 0000000000000000
[   23.848895][  T198] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f92379d3390
[   23.848895][  T198] R13: 00005611226002b0 R14: 000000000000000b R15: 00007f92379610d0
| [   25.329636][  T198] softirqs last disabled at (1833661): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   25.329638][  T198] Preemption disabled at:
| [   25.329639][  T198] vprintk_emit (kernel/printk/printk.c:2471)
| [   25.329649][  T198] Tainted: [W]=WARN
[   25.329651][  T198] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.329652][  T198] Call Trace:
[   25.329654][  T198]  <TASK>
[   25.329655][  T198]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   25.329661][  T198]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   25.329664][  T198]  __might_resched.cold (kernel/sched/core.c:9234)
[   25.329668][  T198]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   25.329672][  T198]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   25.329677][  T198]  __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))
[   25.329680][  T198]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.329686][  T198]  ? 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)
[   25.329689][  T198]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.329694][  T198]  put_chars (drivers/char/virtio_console.c:1176)
[   25.329700][  T198]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   25.329703][  T198]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   25.329708][  T198]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   25.329711][  T198]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   25.329715][  T198]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   25.329719][  T198]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.329721][  T198]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.329725][  T198]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   25.329729][  T198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.329732][  T198]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.329736][  T198]  console_emit_next_record (kernel/printk/printk.c:3183)
[   25.329740][  T198]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   25.329744][  T198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.329746][  T198]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.329750][  T198]  console_flush_one_record (kernel/printk/printk.c:3268)
[   25.329754][  T198]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   25.329756][  T198]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.329761][  T198]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   25.329764][  T198]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   25.329766][  T198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.329768][  T198]  ? 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))
[   25.329772][  T198]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   25.329774][  T198]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   25.329777][  T198]  vprintk_emit (kernel/printk/printk.c:2479)
[   25.329781][  T198]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   25.329784][  T198]  ? _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)
[   25.329790][  T198]  devkmsg_emit.constprop.0 (kernel/printk/printk.c:733)
[   25.329793][  T198]  ? vprintk_emit.cold (kernel/printk/printk.c:2449)
[   25.329797][  T198]  ? __kmalloc_noprof (mm/slub.c:5415 mm/slub.c:5439)
[   25.329799][  T198]  ? idr_get_free (??:?)
[   25.329802][  T198]  ? devkmsg_write (./include/linux/slab.h:995 kernel/printk/printk.c:762)
[   25.329805][  T198]  ? _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)
[   25.329808][  T198]  devkmsg_write.cold (kernel/printk/printk.c:796)
[   25.329810][  T198]  ? vprintk_default (kernel/printk/printk.c:2494)
[   25.329816][  T198]  ? update_curr.isra.0 (kernel/sched/fair.c:2040)
[   25.329820][  T198]  ? vprintk_default (kernel/printk/printk.c:2494)
[   25.329823][  T198]  new_sync_write (fs/read_write.c:595)
[   25.329827][  T198]  ? new_sync_read (./include/linux/ioprio.h:41)
[   25.329831][  T198]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.329835][  T198]  ? __fget_files (./include/linux/rcupdate.h:882 fs/file.c:1100)
[   25.329839][  T198]  vfs_write (fs/read_write.c:687)
[   25.329843][  T198]  ksys_write (fs/read_write.c:739)
[   25.329846][  T198]  ? __ia32_sys_read (fs/read_write.c:723)
[   25.329848][  T198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.329850][  T198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.329854][  T198]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   25.329856][  T198]  ? irq_exit_rcu (kernel/softirq.c:786)
[   25.329859][  T198]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.329861][  T198] RIP: 0033:0x7f9237b66312
[   25.329865][  T198] 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)
[   25.329867][  T198] RSP: 002b:00007ffd6624bb68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   25.329870][  T198] RAX: ffffffffffffffda RBX: 0000000000000316 RCX: 00007f9237b66312
[   25.329872][  T198] RDX: 0000000000000316 RSI: 00005611226002b0 RDI: 000000000000000b
[   25.329873][  T198] RBP: 00007ffd6624bb90 R08: 0000000000000000 R09: 0000000000000000
[   25.329874][  T198] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f92379d3390
[   25.329875][  T198] R13: 00005611226002b0 R14: 000000000000000b R15: 00007f92379610d0
| [   26.397858][  T198] softirqs last disabled at (1925869): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   26.397860][  T198] Preemption disabled at:
| [   26.397861][  T198] vprintk_emit (kernel/printk/printk.c:2471)
| [   26.397871][  T198] Tainted: [W]=WARN
[   26.397872][  T198] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.397873][  T198] Call Trace:
[   26.397875][  T198]  <TASK>
[   26.397877][  T198]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   26.397883][  T198]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   26.397885][  T198]  __might_resched.cold (kernel/sched/core.c:9234)
[   26.397890][  T198]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   26.397894][  T198]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   26.397900][  T198]  __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))
[   26.397902][  T198]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.397909][  T198]  ? 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)
[   26.397912][  T198]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.397916][  T198]  put_chars (drivers/char/virtio_console.c:1176)
[   26.397919][  T198]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   26.397921][  T198]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   26.397925][  T198]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   26.397928][  T198]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   26.397932][  T198]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   26.397936][  T198]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.397938][  T198]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.397942][  T198]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   26.397946][  T198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.397949][  T198]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.397953][  T198]  console_emit_next_record (kernel/printk/printk.c:3183)
[   26.397957][  T198]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   26.397962][  T198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.397964][  T198]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.397968][  T198]  console_flush_one_record (kernel/printk/printk.c:3268)
[   26.397972][  T198]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   26.397974][  T198]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.397979][  T198]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   26.397983][  T198]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   26.397984][  T198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.397987][  T198]  ? 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))
[   26.397991][  T198]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   26.397993][  T198]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   26.397996][  T198]  vprintk_emit (kernel/printk/printk.c:2479)
[   26.398000][  T198]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   26.398003][  T198]  ? _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)
[   26.398009][  T198]  devkmsg_emit.constprop.0 (kernel/printk/printk.c:733)
[   26.398013][  T198]  ? vprintk_emit.cold (kernel/printk/printk.c:2449)
[   26.398017][  T198]  ? __kmalloc_noprof (mm/slub.c:5415 mm/slub.c:5439)
[   26.398019][  T198]  ? idr_get_free (??:?)
[   26.398023][  T198]  ? devkmsg_write (./include/linux/slab.h:995 kernel/printk/printk.c:762)
[   26.398026][  T198]  ? _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)
[   26.398028][  T198]  devkmsg_write.cold (kernel/printk/printk.c:796)
[   26.398031][  T198]  ? vprintk_default (kernel/printk/printk.c:2494)
[   26.398036][  T198]  ? vprintk_default (kernel/printk/printk.c:2494)
[   26.398039][  T198]  new_sync_write (fs/read_write.c:595)
[   26.398043][  T198]  ? new_sync_read (./include/linux/ioprio.h:41)
[   26.398046][  T198]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.398051][  T198]  ? __fget_files (./include/linux/rcupdate.h:882 fs/file.c:1100)
[   26.398055][  T198]  vfs_write (fs/read_write.c:687)
[   26.398059][  T198]  ksys_write (fs/read_write.c:739)
[   26.398062][  T198]  ? __ia32_sys_read (fs/read_write.c:723)
[   26.398065][  T198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.398069][  T198]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   26.398072][  T198]  ? common_interrupt (arch/x86/kernel/irq.c:273 (discriminator 18))
[   26.398075][  T198]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.398077][  T198] RIP: 0033:0x7f9237b66312
[   26.398081][  T198] 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)
[   26.398083][  T198] RSP: 002b:00007ffd6624bb68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   26.398086][  T198] RAX: ffffffffffffffda RBX: 0000000000000316 RCX: 00007f9237b66312
[   26.398088][  T198] RDX: 0000000000000316 RSI: 00005611226002b0 RDI: 000000000000000b
[   26.398089][  T198] RBP: 00007ffd6624bb90 R08: 0000000000000000 R09: 0000000000000000
[   26.398090][  T198] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f92379d3390


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