======================================
| [   10.038273][  T176] softirqs last disabled at (46101): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   10.038276][  T176] Preemption disabled at:
| [   10.038277][  T176] vprintk_emit (kernel/printk/printk.c:2471)
| [   10.038285][  T176] Tainted: [W]=WARN
[   10.038286][  T176] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.038288][  T176] Call Trace:
[   10.038289][  T176]  <TASK>
[   10.038291][  T176]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.038297][  T176]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   10.038298][  T176]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.038303][  T176]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.038307][  T176]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.038313][  T176]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   10.038315][  T176]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.038322][  T176]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.038325][  T176]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.038328][  T176]  put_chars (drivers/char/virtio_console.c:1176)
[   10.038331][  T176]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.038335][  T176]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.038340][  T176]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.038347][  T176]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.038350][  T176]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.038353][  T176]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.038357][  T176]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.038361][  T176]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.038366][  T176]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.038367][  T176]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.038371][  T176]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.038376][  T176]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.038378][  T176]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.038383][  T176]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.038386][  T176]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.038388][  T176]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.038389][  T176]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.038393][  T176]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.038395][  T176]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.038398][  T176]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.038401][  T176]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.038402][  T176]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.038406][  T176]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.038407][  T176]  ? fast_dput (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) fs/dcache.c:948 (discriminator 2))
[   10.038411][  T176]  ? cleanup_netconsole (./include/linux/list.h:99 (discriminator 2) ./include/linux/list.h:169 (discriminator 2) ./include/linux/list.h:206 (discriminator 2) ./include/linux/configfs.h:112 (discriminator 2) drivers/net/netconsole.c:1718 (discriminator 2)) netconsole
[   10.038415][  T176]  _printk (kernel/printk/printk.c:2504)
[   10.038419][  T176]  ? snapshot_read.cold (user.c:?)
[   10.038422][  T176]  ? __up_write (kernel/locking/rwsem.c:1422 (discriminator 1))
[   10.038425][  T176]  ? cleanup_netconsole (./include/linux/list.h:99 (discriminator 2) ./include/linux/list.h:169 (discriminator 2) ./include/linux/list.h:206 (discriminator 2) ./include/linux/configfs.h:112 (discriminator 2) drivers/net/netconsole.c:1718 (discriminator 2)) netconsole
[   10.038428][  T176]  ? configfs_register_subsystem (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:1383 fs/configfs/dir.c:173 fs/configfs/dir.c:171 fs/configfs/dir.c:1929)
[   10.038433][  T176] init_netconsole (drivers/net/netconsole.c:1286) netconsole
[   10.038436][  T176]  ? cleanup_netconsole (./include/linux/list.h:99 (discriminator 2) ./include/linux/list.h:169 (discriminator 2) ./include/linux/list.h:206 (discriminator 2) ./include/linux/configfs.h:112 (discriminator 2) drivers/net/netconsole.c:1718 (discriminator 2)) netconsole
[   10.038443][  T176]  ? cleanup_netconsole (./include/linux/list.h:99 (discriminator 2) ./include/linux/list.h:169 (discriminator 2) ./include/linux/list.h:206 (discriminator 2) ./include/linux/configfs.h:112 (discriminator 2) drivers/net/netconsole.c:1718 (discriminator 2)) netconsole
[   10.038445][  T176]  do_one_initcall (init/main.c:1357)
[   10.038448][  T176]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   10.038453][  T176]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   10.038455][  T176]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   10.038460][  T176]  do_init_module (kernel/module/main.c:3117)
[   10.038463][  T176]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   10.038467][  T176]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   10.038469][  T176]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   10.038474][  T176]  load_module (kernel/module/main.c:3593)
[   10.038480][  T176]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   10.038484][  T176]  ? __ia32_sys_fsconfig (??:?)
[   10.038487][  T176]  ? add_chain_cache (kernel/locking/lockdep.c:3782)
[   10.038492][  T176]  init_module_from_file (kernel/module/main.c:3790)
[   10.038495][  T176]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   10.038502][  T176]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.038506][  T176]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.038509][  T176]  idempotent_init_module (kernel/module/main.c:3802)
[   10.038512][  T176]  ? init_module_from_file (kernel/module/main.c:3791)
[   10.038517][  T176]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.038519][  T176]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   10.038525][  T176]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   10.038526][  T176]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.038530][  T176]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.038532][  T176]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.038535][  T176]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.038537][  T176] RIP: 0033:0x7fcb34a7637d
[   10.038540][  T176] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48
All code
========
   0:	ff c3                	inc    %ebx
   2:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   9:	00 00 00 
   c:	90                   	nop
   d:	f3 0f 1e fa          	endbr64
  11:	48 89 f8             	mov    %rdi,%rax
  14:	48 89 f7             	mov    %rsi,%rdi
  17:	48 89 d6             	mov    %rdx,%rsi
  1a:	48 89 ca             	mov    %rcx,%rdx
  1d:	4d 89 c2             	mov    %r8,%r10
  20:	4d 89 c8             	mov    %r9,%r8
  23:	4c 8b 4c 24 08       	mov    0x8(%rsp),%r9
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa85
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa5b
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.038542][  T176] RSP: 002b:00007ffefed64d08 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   10.038545][  T176] RAX: ffffffffffffffda RBX: 000055fd82985700 RCX: 00007fcb34a7637d
[   10.038546][  T176] RDX: 0000000000000000 RSI: 000055fd67afdffd RDI: 0000000000000005
[   10.038547][  T176] RBP: 00007ffefed64da0 R08: 0000000000000000 R09: 0000000000000000
[   10.038548][  T176] R10: 0000000000000000 R11: 0000000000000246 R12: 000055fd67afdffd
[   10.038549][  T176] R13: 000055fd82985810 R14: 0000000000040000 R15: 0000000000000000
| [   11.621785][  T175] softirqs last disabled at (378277): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   11.621787][  T175] Preemption disabled at:
| [   11.621788][  T175] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.621797][  T175] Tainted: [W]=WARN
[   11.621798][  T175] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.621800][  T175] Call Trace:
[   11.621802][  T175]  <TASK>
[   11.621804][  T175]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.621810][  T175]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.621812][  T175]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.621817][  T175]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.621821][  T175]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.621826][  T175]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   11.621829][  T175]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.621835][  T175]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.621838][  T175]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.621842][  T175]  put_chars (drivers/char/virtio_console.c:1176)
[   11.621845][  T175]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.621847][  T175]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   11.621852][  T175]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   11.621857][  T175]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.621860][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.621862][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.621867][  T175]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.621871][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.621874][  T175]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.621879][  T175]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.621883][  T175]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.621888][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.621890][  T175]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.621894][  T175]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.621899][  T175]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.621901][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.621907][  T175]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.621910][  T175]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.621912][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.621914][  T175]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.621918][  T175]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.621920][  T175]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.621923][  T175]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.621926][  T175]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.621932][  T175]  _printk (kernel/printk/printk.c:2504)
[   11.621936][  T175]  ? snapshot_read.cold (user.c:?)
[   11.621938][  T175]  ? preempt_schedule_common (kernel/sched/core.c:7449)
[   11.621943][  T175]  ? preempt_schedule_thunk (arch/x86/entry/thunk.S:12)
[   11.621950][  T175]  register_console (kernel/printk/printk.c:4212 (discriminator 7))
[   11.621953][  T175]  ? get_init_console_seq.constprop.0.isra.0 (kernel/printk/printk.c:4018)
[   11.621955][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.621960][  T175] enabled_store (drivers/net/netconsole.c:1039) netconsole
[   11.621963][  T175]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.621967][  T175]  ? netconsole_write_ext (drivers/net/netconsole.c:2504) netconsole
[   11.621969][  T175]  ? down_write_killable_nested (./arch/x86/include/asm/atomic64_64.h:20)
[   11.621972][  T175]  ? __kmalloc_cache_noprof (mm/slub.c:4986 (discriminator 1) mm/slub.c:5559 (discriminator 1))
[   11.621974][  T175]  ? configfs_write_iter (./include/linux/slab.h:991 (discriminator 1) fs/configfs/file.c:187 (discriminator 1) fs/configfs/file.c:227 (discriminator 1))
[   11.621979][  T175]  ? netconsole_write_ext (drivers/net/netconsole.c:2504) netconsole
[   11.621981][  T175]  configfs_write_iter (fs/configfs/file.c:207 fs/configfs/file.c:229)
[   11.621983][  T175]  ? configfs_bin_write_iter (fs/configfs/file.c:287 (discriminator 1))
[   11.621986][  T175]  new_sync_write (fs/read_write.c:595)
[   11.621990][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.621993][  T175]  ? new_sync_read (./include/linux/ioprio.h:41)
[   11.621996][  T175]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.621999][  T175]  ? ksys_write (fs/read_write.c:739)
[   11.622005][  T175]  vfs_write (fs/read_write.c:687)
[   11.622009][  T175]  ksys_write (fs/read_write.c:739)
[   11.622012][  T175]  ? __ia32_sys_read (fs/read_write.c:723)
[   11.622015][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.622018][  T175]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.622021][  T175]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.622028][  T175]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.622030][  T175] RIP: 0033:0x7fc11e6eb312
[   11.622034][  T175] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[   11.622035][  T175] RSP: 002b:00007ffd86d7fd98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   11.622038][  T175] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fc11e6eb312
[   11.622040][  T175] RDX: 0000000000000001 RSI: 000055e83422df10 RDI: 0000000000000010
[   11.622041][  T175] RBP: 00007ffd86d7fdc0 R08: 0000000000000000 R09: 0000000000000000
[   11.622042][  T175] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc11e558390
[   11.622043][  T175] R13: 000055e83422df10 R14: 0000000000000010 R15: 00007fc11e4e50d0
| [   12.632538][  T175] softirqs last disabled at (409185): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   12.632542][  T175] Preemption disabled at:
| [   12.632544][  T175] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.632555][  T175] Tainted: [W]=WARN
[   12.632557][  T175] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.632559][  T175] Call Trace:
[   12.632562][  T175]  <TASK>
[   12.632564][  T175]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.632572][  T175]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.632574][  T175]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.632581][  T175]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.632586][  T175]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.632594][  T175]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   12.632598][  T175]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.632608][  T175]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.632611][  T175]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.632617][  T175]  put_chars (drivers/char/virtio_console.c:1176)
[   12.632622][  T175]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.632625][  T175]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   12.632630][  T175]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.632635][  T175]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.632643][  T175]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.632647][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.632650][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.632658][  T175]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.632670][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.632673][  T175]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.632680][  T175]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.632687][  T175]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.632695][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.632698][  T175]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.632704][  T175]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.632711][  T175]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.632714][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.632726][  T175]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.632730][  T175]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.632733][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.632737][  T175]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.632743][  T175]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.632746][  T175]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.632751][  T175]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.632756][  T175]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.632761][  T175]  ? _copy_from_iter (./include/linux/instrumented.h:146 lib/iov_iter.c:66 ./include/linux/iov_iter.h:30 ./include/linux/iov_iter.h:302 ./include/linux/iov_iter.h:330 lib/iov_iter.c:261 lib/iov_iter.c:272)
[   12.632769][  T175]  devkmsg_emit.constprop.0 (kernel/printk/printk.c:733)
[   12.632774][  T175]  ? vprintk_emit.cold (kernel/printk/printk.c:2449)
[   12.632781][  T175]  ? __kmalloc_noprof (mm/slub.c:5415 mm/slub.c:5439)
[   12.632784][  T175]  ? idr_get_free (??:?)
[   12.632789][  T175]  ? devkmsg_write (./include/linux/slab.h:995 kernel/printk/printk.c:762)
[   12.632794][  T175]  ? _copy_from_iter (./include/linux/instrumented.h:146 lib/iov_iter.c:66 ./include/linux/iov_iter.h:30 ./include/linux/iov_iter.h:302 ./include/linux/iov_iter.h:330 lib/iov_iter.c:261 lib/iov_iter.c:272)
[   12.632798][  T175]  devkmsg_write.cold (kernel/printk/printk.c:796)
[   12.632803][  T175]  ? vprintk_default (kernel/printk/printk.c:2494)
[   12.632806][  T175]  ? cp_old_stat (fs/stat.c:406 (discriminator 3))
[   12.632811][  T175]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.632816][  T175]  ? vprintk_default (kernel/printk/printk.c:2494)
[   12.632819][  T175]  new_sync_write (fs/read_write.c:595)
[   12.632827][  T175]  ? new_sync_read (./include/linux/ioprio.h:41)
[   12.632834][  T175]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.632842][  T175]  ? __fget_files (./include/linux/rcupdate.h:882 fs/file.c:1100)
[   12.632848][  T175]  vfs_write (fs/read_write.c:687)
[   12.632855][  T175]  ksys_write (fs/read_write.c:739)
[   12.632859][  T175]  ? __ia32_sys_read (fs/read_write.c:723)
[   12.632864][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.632869][  T175]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.632873][  T175]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.632878][  T175]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.632881][  T175] RIP: 0033:0x7fc11e6eb312
[   12.632886][  T175] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[   12.632889][  T175] RSP: 002b:00007ffd86d7fd98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   12.632893][  T175] RAX: ffffffffffffffda RBX: 00000000000002ee RCX: 00007fc11e6eb312
[   12.632895][  T175] RDX: 00000000000002ee RSI: 000055e83422df10 RDI: 000000000000000b
[   12.632897][  T175] RBP: 00007ffd86d7fdc0 R08: 0000000000000000 R09: 0000000000000000
[   12.632899][  T175] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc11e558390
[   12.632900][  T175] R13: 000055e83422df10 R14: 000000000000000b R15: 00007fc11e4e50d0
| [   14.031366][  T175] softirqs last disabled at (450450): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   14.031368][  T175] Preemption disabled at:
| [   14.031369][  T175] vprintk_emit (kernel/printk/printk.c:2471)
| [   14.031378][  T175] Tainted: [W]=WARN
[   14.031379][  T175] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.031381][  T175] Call Trace:
[   14.031383][  T175]  <TASK>
[   14.031385][  T175]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   14.031390][  T175]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   14.031392][  T175]  __might_resched.cold (kernel/sched/core.c:9234)
[   14.031397][  T175]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   14.031401][  T175]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   14.031407][  T175]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   14.031410][  T175]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.031416][  T175]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   14.031419][  T175]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.031423][  T175]  put_chars (drivers/char/virtio_console.c:1176)
[   14.031426][  T175]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   14.031427][  T175]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   14.031431][  T175]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.031435][  T175]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.031439][  T175]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   14.031442][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.031444][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.031448][  T175]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   14.031452][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.031454][  T175]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.031458][  T175]  console_emit_next_record (kernel/printk/printk.c:3183)
[   14.031462][  T175]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   14.031466][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.031468][  T175]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.031472][  T175]  console_flush_one_record (kernel/printk/printk.c:3268)
[   14.031476][  T175]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   14.031478][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.031483][  T175]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   14.031486][  T175]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   14.031488][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.031490][  T175]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   14.031494][  T175]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   14.031496][  T175]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   14.031499][  T175]  vprintk_emit (kernel/printk/printk.c:2479)
[   14.031501][  T175]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   14.031504][  T175]  ? _copy_from_iter (./include/linux/instrumented.h:146 lib/iov_iter.c:66 ./include/linux/iov_iter.h:30 ./include/linux/iov_iter.h:302 ./include/linux/iov_iter.h:330 lib/iov_iter.c:261 lib/iov_iter.c:272)
[   14.031509][  T175]  devkmsg_emit.constprop.0 (kernel/printk/printk.c:733)
[   14.031513][  T175]  ? vprintk_emit.cold (kernel/printk/printk.c:2449)
[   14.031517][  T175]  ? __kmalloc_noprof (mm/slub.c:5415 mm/slub.c:5439)
[   14.031519][  T175]  ? idr_get_free (??:?)
[   14.031523][  T175]  ? devkmsg_write (./include/linux/slab.h:995 kernel/printk/printk.c:762)
[   14.031526][  T175]  ? _copy_from_iter (./include/linux/instrumented.h:146 lib/iov_iter.c:66 ./include/linux/iov_iter.h:30 ./include/linux/iov_iter.h:302 ./include/linux/iov_iter.h:330 lib/iov_iter.c:261 lib/iov_iter.c:272)
[   14.031528][  T175]  devkmsg_write.cold (kernel/printk/printk.c:796)
[   14.031531][  T175]  ? vprintk_default (kernel/printk/printk.c:2494)
[   14.031533][  T175]  ? cp_old_stat (fs/stat.c:406 (discriminator 3))
[   14.031537][  T175]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.031540][  T175]  ? vprintk_default (kernel/printk/printk.c:2494)
[   14.031542][  T175]  new_sync_write (fs/read_write.c:595)
[   14.031546][  T175]  ? new_sync_read (./include/linux/ioprio.h:41)
[   14.031551][  T175]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.031555][  T175]  ? __fget_files (./include/linux/rcupdate.h:882 fs/file.c:1100)
[   14.031559][  T175]  vfs_write (fs/read_write.c:687)
[   14.031563][  T175]  ksys_write (fs/read_write.c:739)
[   14.031565][  T175]  ? __ia32_sys_read (fs/read_write.c:723)
[   14.031568][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.031571][  T175]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   14.031574][  T175]  ? irq_exit_rcu (kernel/softirq.c:786)
[   14.031578][  T175]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.031580][  T175] RIP: 0033:0x7fc11e6eb312
[   14.031584][  T175] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[   14.031586][  T175] RSP: 002b:00007ffd86d7fd98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   14.031589][  T175] RAX: ffffffffffffffda RBX: 00000000000002ee RCX: 00007fc11e6eb312
[   14.031590][  T175] RDX: 00000000000002ee RSI: 000055e83422df10 RDI: 000000000000000b
[   14.031591][  T175] RBP: 00007ffd86d7fdc0 R08: 0000000000000000 R09: 0000000000000000
[   14.031593][  T175] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc11e558390
[   14.031593][  T175] R13: 000055e83422df10 R14: 000000000000000b R15: 00007fc11e4e50d0
| [   15.064703][  T175] softirqs last disabled at (468071): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   15.064706][  T175] Preemption disabled at:
| [   15.064707][  T175] vprintk_emit (kernel/printk/printk.c:2471)
| [   15.064716][  T175] Tainted: [W]=WARN
[   15.064717][  T175] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.064719][  T175] Call Trace:
[   15.064721][  T175]  <TASK>
[   15.064723][  T175]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   15.064728][  T175]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   15.064730][  T175]  __might_resched.cold (kernel/sched/core.c:9234)
[   15.064735][  T175]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   15.064739][  T175]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   15.064744][  T175]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   15.064747][  T175]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.064753][  T175]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   15.064756][  T175]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.064760][  T175]  put_chars (drivers/char/virtio_console.c:1176)
[   15.064763][  T175]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   15.064765][  T175]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   15.064768][  T175]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.064772][  T175]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.064776][  T175]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   15.064779][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.064781][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.064785][  T175]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   15.064789][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.064791][  T175]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.064795][  T175]  console_emit_next_record (kernel/printk/printk.c:3183)
[   15.064799][  T175]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   15.064803][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.064805][  T175]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.064809][  T175]  console_flush_one_record (kernel/printk/printk.c:3268)
[   15.064813][  T175]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   15.064815][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.064821][  T175]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   15.064824][  T175]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   15.064826][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.064827][  T175]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   15.064831][  T175]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   15.064833][  T175]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   15.064836][  T175]  vprintk_emit (kernel/printk/printk.c:2479)
[   15.064839][  T175]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   15.064841][  T175]  ? _copy_from_iter (./include/linux/instrumented.h:146 lib/iov_iter.c:66 ./include/linux/iov_iter.h:30 ./include/linux/iov_iter.h:302 ./include/linux/iov_iter.h:330 lib/iov_iter.c:261 lib/iov_iter.c:272)
[   15.064847][  T175]  devkmsg_emit.constprop.0 (kernel/printk/printk.c:733)
[   15.064850][  T175]  ? vprintk_emit.cold (kernel/printk/printk.c:2449)
[   15.064854][  T175]  ? __kmalloc_noprof (mm/slub.c:5415 mm/slub.c:5439)
[   15.064856][  T175]  ? idr_get_free (??:?)
[   15.064860][  T175]  ? devkmsg_write (./include/linux/slab.h:995 kernel/printk/printk.c:762)
[   15.064863][  T175]  ? _copy_from_iter (./include/linux/instrumented.h:146 lib/iov_iter.c:66 ./include/linux/iov_iter.h:30 ./include/linux/iov_iter.h:302 ./include/linux/iov_iter.h:330 lib/iov_iter.c:261 lib/iov_iter.c:272)
[   15.064865][  T175]  devkmsg_write.cold (kernel/printk/printk.c:796)
[   15.064868][  T175]  ? vprintk_default (kernel/printk/printk.c:2494)
[   15.064870][  T175]  ? cp_old_stat (fs/stat.c:406 (discriminator 3))
[   15.064873][  T175]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.064876][  T175]  ? vprintk_default (kernel/printk/printk.c:2494)
[   15.064878][  T175]  new_sync_write (fs/read_write.c:595)
[   15.064883][  T175]  ? new_sync_read (./include/linux/ioprio.h:41)
[   15.064887][  T175]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.064892][  T175]  ? __fget_files (./include/linux/rcupdate.h:882 fs/file.c:1100)
[   15.064896][  T175]  vfs_write (fs/read_write.c:687)
[   15.064900][  T175]  ksys_write (fs/read_write.c:739)
[   15.064903][  T175]  ? __ia32_sys_read (fs/read_write.c:723)
[   15.064905][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.064908][  T175]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   15.064911][  T175]  ? irq_exit_rcu (kernel/softirq.c:786)
[   15.064913][  T175]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.064916][  T175] RIP: 0033:0x7fc11e6eb312
[   15.064920][  T175] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[   15.064922][  T175] RSP: 002b:00007ffd86d7fd98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   15.064925][  T175] RAX: ffffffffffffffda RBX: 00000000000002ee RCX: 00007fc11e6eb312
[   15.064926][  T175] RDX: 00000000000002ee RSI: 000055e83422df10 RDI: 000000000000000b
[   15.064927][  T175] RBP: 00007ffd86d7fdc0 R08: 0000000000000000 R09: 0000000000000000
[   15.064928][  T175] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc11e558390
[   15.064929][  T175] R13: 000055e83422df10 R14: 000000000000000b R15: 00007fc11e4e50d0
| [   16.434744][  T175] softirqs last disabled at (500909): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   16.434747][  T175] Preemption disabled at:
| [   16.434747][  T175] vprintk_emit (kernel/printk/printk.c:2471)
| [   16.434756][  T175] Tainted: [W]=WARN
[   16.434757][  T175] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.434759][  T175] Call Trace:
[   16.434760][  T175]  <TASK>
[   16.434762][  T175]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   16.434768][  T175]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   16.434770][  T175]  __might_resched.cold (kernel/sched/core.c:9234)
[   16.434774][  T175]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   16.434779][  T175]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   16.434785][  T175]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   16.434787][  T175]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.434794][  T175]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   16.434797][  T175]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.434800][  T175]  put_chars (drivers/char/virtio_console.c:1176)
[   16.434804][  T175]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   16.434805][  T175]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   16.434809][  T175]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.434813][  T175]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.434817][  T175]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   16.434821][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.434822][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.434827][  T175]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   16.434831][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.434833][  T175]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.434837][  T175]  console_emit_next_record (kernel/printk/printk.c:3183)
[   16.434841][  T175]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   16.434845][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.434847][  T175]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.434851][  T175]  console_flush_one_record (kernel/printk/printk.c:3268)
[   16.434855][  T175]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   16.434857][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.434863][  T175]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   16.434866][  T175]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   16.434868][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.434869][  T175]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   16.434873][  T175]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   16.434875][  T175]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   16.434878][  T175]  vprintk_emit (kernel/printk/printk.c:2479)
[   16.434881][  T175]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   16.434884][  T175]  ? _copy_from_iter (./include/linux/instrumented.h:146 lib/iov_iter.c:66 ./include/linux/iov_iter.h:30 ./include/linux/iov_iter.h:302 ./include/linux/iov_iter.h:330 lib/iov_iter.c:261 lib/iov_iter.c:272)
[   16.434889][  T175]  devkmsg_emit.constprop.0 (kernel/printk/printk.c:733)
[   16.434893][  T175]  ? vprintk_emit.cold (kernel/printk/printk.c:2449)
[   16.434897][  T175]  ? __kmalloc_noprof (mm/slub.c:5415 mm/slub.c:5439)
[   16.434899][  T175]  ? idr_get_free (??:?)
[   16.434903][  T175]  ? devkmsg_write (./include/linux/slab.h:995 kernel/printk/printk.c:762)
[   16.434906][  T175]  ? _copy_from_iter (./include/linux/instrumented.h:146 lib/iov_iter.c:66 ./include/linux/iov_iter.h:30 ./include/linux/iov_iter.h:302 ./include/linux/iov_iter.h:330 lib/iov_iter.c:261 lib/iov_iter.c:272)
[   16.434908][  T175]  devkmsg_write.cold (kernel/printk/printk.c:796)
[   16.434911][  T175]  ? vprintk_default (kernel/printk/printk.c:2494)
[   16.434913][  T175]  ? cp_old_stat (fs/stat.c:406 (discriminator 3))
[   16.434917][  T175]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.434919][  T175]  ? vprintk_default (kernel/printk/printk.c:2494)
[   16.434922][  T175]  new_sync_write (fs/read_write.c:595)
[   16.434927][  T175]  ? new_sync_read (./include/linux/ioprio.h:41)
[   16.434931][  T175]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.434936][  T175]  ? __fget_files (./include/linux/rcupdate.h:882 fs/file.c:1100)
[   16.434939][  T175]  vfs_write (fs/read_write.c:687)
[   16.434943][  T175]  ksys_write (fs/read_write.c:739)
[   16.434946][  T175]  ? __ia32_sys_read (fs/read_write.c:723)
[   16.434949][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.434952][  T175]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   16.434954][  T175]  ? irq_exit_rcu (kernel/softirq.c:786)
[   16.434957][  T175]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.434960][  T175] RIP: 0033:0x7fc11e6eb312
[   16.434965][  T175] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[   16.434966][  T175] RSP: 002b:00007ffd86d7fd98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   16.434969][  T175] RAX: ffffffffffffffda RBX: 0000000000000316 RCX: 00007fc11e6eb312
[   16.434971][  T175] RDX: 0000000000000316 RSI: 000055e83422df10 RDI: 000000000000000b
[   16.434972][  T175] RBP: 00007ffd86d7fdc0 R08: 0000000000000000 R09: 0000000000000000
[   16.434973][  T175] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc11e558390
[   16.434974][  T175] R13: 000055e83422df10 R14: 000000000000000b R15: 00007fc11e4e50d0
| [   17.455798][  T175] softirqs last disabled at (535885): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   17.455801][  T175] Preemption disabled at:
| [   17.455801][  T175] vprintk_emit (kernel/printk/printk.c:2471)
| [   17.455811][  T175] Tainted: [W]=WARN
[   17.455812][  T175] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.455814][  T175] Call Trace:
[   17.455815][  T175]  <TASK>
[   17.455817][  T175]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   17.455823][  T175]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   17.455825][  T175]  __might_resched.cold (kernel/sched/core.c:9234)
[   17.455830][  T175]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   17.455835][  T175]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   17.455841][  T175]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   17.455844][  T175]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.455851][  T175]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   17.455853][  T175]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.455857][  T175]  put_chars (drivers/char/virtio_console.c:1176)
[   17.455861][  T175]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   17.455863][  T175]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   17.455867][  T175]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.455870][  T175]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   17.455875][  T175]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   17.455879][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.455881][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.455885][  T175]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   17.455889][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.455892][  T175]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.455896][  T175]  console_emit_next_record (kernel/printk/printk.c:3183)
[   17.455900][  T175]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   17.455905][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.455907][  T175]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.455911][  T175]  console_flush_one_record (kernel/printk/printk.c:3268)
[   17.455916][  T175]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   17.455918][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.455923][  T175]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   17.455926][  T175]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   17.455929][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.455930][  T175]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   17.455934][  T175]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   17.455936][  T175]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   17.455939][  T175]  vprintk_emit (kernel/printk/printk.c:2479)
[   17.455942][  T175]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   17.455945][  T175]  ? _copy_from_iter (./include/linux/instrumented.h:146 lib/iov_iter.c:66 ./include/linux/iov_iter.h:30 ./include/linux/iov_iter.h:302 ./include/linux/iov_iter.h:330 lib/iov_iter.c:261 lib/iov_iter.c:272)
[   17.455951][  T175]  devkmsg_emit.constprop.0 (kernel/printk/printk.c:733)
[   17.455955][  T175]  ? vprintk_emit.cold (kernel/printk/printk.c:2449)
[   17.455959][  T175]  ? __kmalloc_noprof (mm/slub.c:5415 mm/slub.c:5439)
[   17.455961][  T175]  ? idr_get_free (??:?)
[   17.455965][  T175]  ? devkmsg_write (./include/linux/slab.h:995 kernel/printk/printk.c:762)
[   17.455968][  T175]  ? _copy_from_iter (./include/linux/instrumented.h:146 lib/iov_iter.c:66 ./include/linux/iov_iter.h:30 ./include/linux/iov_iter.h:302 ./include/linux/iov_iter.h:330 lib/iov_iter.c:261 lib/iov_iter.c:272)
[   17.455971][  T175]  devkmsg_write.cold (kernel/printk/printk.c:796)
[   17.455974][  T175]  ? vprintk_default (kernel/printk/printk.c:2494)
[   17.455976][  T175]  ? cp_old_stat (fs/stat.c:406 (discriminator 3))
[   17.455979][  T175]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   17.455982][  T175]  ? vprintk_default (kernel/printk/printk.c:2494)
[   17.455984][  T175]  new_sync_write (fs/read_write.c:595)
[   17.455990][  T175]  ? new_sync_read (./include/linux/ioprio.h:41)
[   17.455994][  T175]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   17.456000][  T175]  ? __fget_files (./include/linux/rcupdate.h:882 fs/file.c:1100)
[   17.456004][  T175]  vfs_write (fs/read_write.c:687)
[   17.456008][  T175]  ksys_write (fs/read_write.c:739)
[   17.456011][  T175]  ? __ia32_sys_read (fs/read_write.c:723)
[   17.456013][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.456017][  T175]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   17.456020][  T175]  ? irq_exit_rcu (kernel/softirq.c:786)
[   17.456023][  T175]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.456027][  T175] RIP: 0033:0x7fc11e6eb312
[   17.456031][  T175] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[   17.456033][  T175] RSP: 002b:00007ffd86d7fd98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   17.456037][  T175] RAX: ffffffffffffffda RBX: 0000000000000316 RCX: 00007fc11e6eb312
[   17.456038][  T175] RDX: 0000000000000316 RSI: 000055e83422df10 RDI: 000000000000000b
[   17.456039][  T175] RBP: 00007ffd86d7fdc0 R08: 0000000000000000 R09: 0000000000000000
[   17.456040][  T175] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc11e558390
[   17.456041][  T175] R13: 000055e83422df10 R14: 000000000000000b R15: 00007fc11e4e50d0
| [   18.470563][  T175] softirqs last disabled at (558307): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   18.470565][  T175] Preemption disabled at:
| [   18.470566][  T175] vprintk_emit (kernel/printk/printk.c:2471)
| [   18.470575][  T175] Tainted: [W]=WARN
[   18.470575][  T175] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.470577][  T175] Call Trace:
[   18.470579][  T175]  <TASK>
[   18.470581][  T175]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   18.470587][  T175]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   18.470588][  T175]  __might_resched.cold (kernel/sched/core.c:9234)
[   18.470593][  T175]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   18.470597][  T175]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   18.470602][  T175]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   18.470605][  T175]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.470611][  T175]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   18.470614][  T175]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.470618][  T175]  put_chars (drivers/char/virtio_console.c:1176)
[   18.470621][  T175]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   18.470623][  T175]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   18.470627][  T175]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.470630][  T175]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   18.470635][  T175]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   18.470638][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.470640][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.470645][  T175]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   18.470648][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.470651][  T175]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.470655][  T175]  console_emit_next_record (kernel/printk/printk.c:3183)
[   18.470659][  T175]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   18.470663][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.470665][  T175]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.470669][  T175]  console_flush_one_record (kernel/printk/printk.c:3268)
[   18.470673][  T175]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   18.470675][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.470687][  T175]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   18.470690][  T175]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   18.470692][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.470694][  T175]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   18.470698][  T175]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   18.470700][  T175]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   18.470702][  T175]  vprintk_emit (kernel/printk/printk.c:2479)
[   18.470705][  T175]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   18.470708][  T175]  ? _copy_from_iter (./include/linux/instrumented.h:146 lib/iov_iter.c:66 ./include/linux/iov_iter.h:30 ./include/linux/iov_iter.h:302 ./include/linux/iov_iter.h:330 lib/iov_iter.c:261 lib/iov_iter.c:272)
[   18.470713][  T175]  devkmsg_emit.constprop.0 (kernel/printk/printk.c:733)
[   18.470717][  T175]  ? vprintk_emit.cold (kernel/printk/printk.c:2449)
[   18.470722][  T175]  ? __kmalloc_noprof (mm/slub.c:5415 mm/slub.c:5439)
[   18.470725][  T175]  ? idr_get_free (??:?)
[   18.470729][  T175]  ? devkmsg_write (./include/linux/slab.h:995 kernel/printk/printk.c:762)
[   18.470731][  T175]  ? _copy_from_iter (./include/linux/instrumented.h:146 lib/iov_iter.c:66 ./include/linux/iov_iter.h:30 ./include/linux/iov_iter.h:302 ./include/linux/iov_iter.h:330 lib/iov_iter.c:261 lib/iov_iter.c:272)
[   18.470734][  T175]  devkmsg_write.cold (kernel/printk/printk.c:796)
[   18.470737][  T175]  ? vprintk_default (kernel/printk/printk.c:2494)
[   18.470739][  T175]  ? cp_old_stat (fs/stat.c:406 (discriminator 3))
[   18.470742][  T175]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.470745][  T175]  ? vprintk_default (kernel/printk/printk.c:2494)
[   18.470747][  T175]  new_sync_write (fs/read_write.c:595)
[   18.470752][  T175]  ? new_sync_read (./include/linux/ioprio.h:41)
[   18.470756][  T175]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.470761][  T175]  ? __fget_files (./include/linux/rcupdate.h:882 fs/file.c:1100)
[   18.470765][  T175]  vfs_write (fs/read_write.c:687)
[   18.470769][  T175]  ksys_write (fs/read_write.c:739)
[   18.470771][  T175]  ? __ia32_sys_read (fs/read_write.c:723)
[   18.470774][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.470777][  T175]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   18.470780][  T175]  ? irq_exit_rcu (kernel/softirq.c:786)
[   18.470782][  T175]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.470785][  T175] RIP: 0033:0x7fc11e6eb312
[   18.470789][  T175] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[   18.470791][  T175] RSP: 002b:00007ffd86d7fd98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   18.470794][  T175] RAX: ffffffffffffffda RBX: 0000000000000316 RCX: 00007fc11e6eb312
[   18.470795][  T175] RDX: 0000000000000316 RSI: 000055e83422df10 RDI: 000000000000000b
[   18.470796][  T175] RBP: 00007ffd86d7fdc0 R08: 0000000000000000 R09: 0000000000000000
[   18.470797][  T175] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc11e558390
[   18.470798][  T175] R13: 000055e83422df10 R14: 000000000000000b R15: 00007fc11e4e50d0
| [   19.907153][  T175] softirqs last disabled at (589889): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   19.907156][  T175] Preemption disabled at:
| [   19.907157][  T175] vprintk_emit (kernel/printk/printk.c:2471)
| [   19.907166][  T175] Tainted: [W]=WARN
[   19.907167][  T175] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.907169][  T175] Call Trace:
[   19.907171][  T175]  <TASK>
[   19.907173][  T175]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   19.907179][  T175]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   19.907181][  T175]  __might_resched.cold (kernel/sched/core.c:9234)
[   19.907186][  T175]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   19.907190][  T175]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   19.907196][  T175]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   19.907198][  T175]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.907205][  T175]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   19.907208][  T175]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.907212][  T175]  put_chars (drivers/char/virtio_console.c:1176)
[   19.907215][  T175]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   19.907217][  T175]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   19.907221][  T175]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   19.907224][  T175]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   19.907229][  T175]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   19.907232][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.907234][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.907239][  T175]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   19.907243][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.907245][  T175]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.907249][  T175]  console_emit_next_record (kernel/printk/printk.c:3183)
[   19.907253][  T175]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   19.907258][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.907260][  T175]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.907264][  T175]  console_flush_one_record (kernel/printk/printk.c:3268)
[   19.907268][  T175]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   19.907270][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.907275][  T175]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   19.907279][  T175]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   19.907281][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.907282][  T175]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   19.907286][  T175]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   19.907288][  T175]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   19.907291][  T175]  vprintk_emit (kernel/printk/printk.c:2479)
[   19.907294][  T175]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   19.907297][  T175]  ? _copy_from_iter (./include/linux/instrumented.h:146 lib/iov_iter.c:66 ./include/linux/iov_iter.h:30 ./include/linux/iov_iter.h:302 ./include/linux/iov_iter.h:330 lib/iov_iter.c:261 lib/iov_iter.c:272)
[   19.907302][  T175]  devkmsg_emit.constprop.0 (kernel/printk/printk.c:733)
[   19.907306][  T175]  ? vprintk_emit.cold (kernel/printk/printk.c:2449)
[   19.907310][  T175]  ? __kmalloc_noprof (mm/slub.c:5415 mm/slub.c:5439)
[   19.907312][  T175]  ? idr_get_free (??:?)
[   19.907316][  T175]  ? devkmsg_write (./include/linux/slab.h:995 kernel/printk/printk.c:762)
[   19.907319][  T175]  ? _copy_from_iter (./include/linux/instrumented.h:146 lib/iov_iter.c:66 ./include/linux/iov_iter.h:30 ./include/linux/iov_iter.h:302 ./include/linux/iov_iter.h:330 lib/iov_iter.c:261 lib/iov_iter.c:272)
[   19.907321][  T175]  devkmsg_write.cold (kernel/printk/printk.c:796)
[   19.907324][  T175]  ? vprintk_default (kernel/printk/printk.c:2494)
[   19.907328][  T175]  ? vprintk_default (kernel/printk/printk.c:2494)
[   19.907330][  T175]  new_sync_write (fs/read_write.c:595)
[   19.907336][  T175]  ? new_sync_read (./include/linux/ioprio.h:41)
[   19.907340][  T175]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.907345][  T175]  ? __fget_files (./include/linux/rcupdate.h:882 fs/file.c:1100)
[   19.907349][  T175]  vfs_write (fs/read_write.c:687)
[   19.907353][  T175]  ksys_write (fs/read_write.c:739)
[   19.907356][  T175]  ? __ia32_sys_read (fs/read_write.c:723)
[   19.907357][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.907359][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.907362][  T175]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   19.907365][  T175]  ? irq_exit_rcu (kernel/softirq.c:786)
[   19.907368][  T175]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.907371][  T175] RIP: 0033:0x7fc11e6eb312
[   19.907375][  T175] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[   19.907377][  T175] RSP: 002b:00007ffd86d7fd98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   19.907379][  T175] RAX: ffffffffffffffda RBX: 0000000000000316 RCX: 00007fc11e6eb312
[   19.907381][  T175] RDX: 0000000000000316 RSI: 000055e83422df10 RDI: 000000000000000b
[   19.907382][  T175] RBP: 00007ffd86d7fdc0 R08: 0000000000000000 R09: 0000000000000000
[   19.907383][  T175] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc11e558390


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