======================================
| [    8.564873][  T169] softirqs last disabled at (20855): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [    8.564875][  T169] Preemption disabled at:
| [    8.564876][  T169] vprintk_emit (kernel/printk/printk.c:2471)
| [    8.564885][  T169] Tainted: [W]=WARN
[    8.564886][  T169] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.564888][  T169] Call Trace:
[    8.564889][  T169]  <TASK>
[    8.564890][  T169]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    8.564896][  T169]  ? vprintk_emit (kernel/printk/printk.c:2471)
[    8.564898][  T169]  __might_resched.cold (kernel/sched/core.c:9234)
[    8.564903][  T169]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[    8.564906][  T169]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[    8.564911][  T169]  __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))
[    8.564913][  T169]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    8.564919][  T169]  ? 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)
[    8.564921][  T169]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    8.564924][  T169]  put_chars (drivers/char/virtio_console.c:1176)
[    8.564927][  T169]  ? __send_to_port (drivers/char/virtio_console.c:654)
[    8.564930][  T169]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    8.564934][  T169]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[    8.564940][  T169]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[    8.564943][  T169]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    8.564946][  T169]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    8.564950][  T169]  console_emit_next_record (kernel/printk/printk.c:3183)
[    8.564953][  T169]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    8.564957][  T169]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    8.564959][  T169]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    8.564962][  T169]  console_flush_one_record (kernel/printk/printk.c:3268)
[    8.564966][  T169]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    8.564968][  T169]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    8.564973][  T169]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    8.564975][  T169]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    8.564976][  T169]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    8.564978][  T169]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[    8.564982][  T169]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    8.564983][  T169]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    8.564986][  T169]  vprintk_emit (kernel/printk/printk.c:2479)
[    8.564990][  T169]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    8.564991][  T169]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    8.564995][  T169]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    8.564996][  T169]  ? fast_dput (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) fs/dcache.c:948 (discriminator 2))
[    8.565000][  T169]  ? 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
[    8.565004][  T169]  _printk (kernel/printk/printk.c:2504)
[    8.565008][  T169]  ? snapshot_read.cold (user.c:?)
[    8.565010][  T169]  ? __up_write (kernel/locking/rwsem.c:1422 (discriminator 1))
[    8.565014][  T169]  ? 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
[    8.565017][  T169]  ? 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)
[    8.565022][  T169] init_netconsole (drivers/net/netconsole.c:1286) netconsole
[    8.565025][  T169]  ? 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
[    8.565032][  T169]  ? 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
[    8.565034][  T169]  do_one_initcall (init/main.c:1357)
[    8.565038][  T169]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[    8.565043][  T169]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[    8.565045][  T169]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[    8.565050][  T169]  do_init_module (kernel/module/main.c:3117)
[    8.565054][  T169]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[    8.565058][  T169]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[    8.565061][  T169]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[    8.565064][  T169]  load_module (kernel/module/main.c:3593)
[    8.565071][  T169]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[    8.565074][  T169]  ? __ia32_sys_fsconfig (??:?)
[    8.565077][  T169]  ? ovl_real_file (fs/overlayfs/file.c:195)
[    8.565081][  T169]  ? backing_file_read_iter (fs/backing-file.c:211)
[    8.565084][  T169]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    8.565088][  T169]  init_module_from_file (kernel/module/main.c:3790)
[    8.565091][  T169]  ? __do_sys_init_module (kernel/module/main.c:3664)
[    8.565099][  T169]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    8.565102][  T169]  ? 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)
[    8.565105][  T169]  idempotent_init_module (kernel/module/main.c:3802)
[    8.565108][  T169]  ? init_module_from_file (kernel/module/main.c:3791)
[    8.565114][  T169]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    8.565116][  T169]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[    8.565122][  T169]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[    8.565123][  T169]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    8.565128][  T169]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    8.565129][  T169]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    8.565132][  T169]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.565134][  T169] RIP: 0033:0x7fa304cc437d
[    8.565137][  T169] 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
[    8.565139][  T169] RSP: 002b:00007ffcdfdcf0a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[    8.565141][  T169] RAX: ffffffffffffffda RBX: 000055a2c0c57700 RCX: 00007fa304cc437d
[    8.565143][  T169] RDX: 0000000000000000 RSI: 000055a2b66abffd RDI: 0000000000000005
[    8.565144][  T169] RBP: 00007ffcdfdcf140 R08: 0000000000000000 R09: 0000000000000000
[    8.565144][  T169] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a2b66abffd
[    8.565145][  T169] R13: 000055a2c0c57810 R14: 0000000000040000 R15: 0000000000000000
| [   10.516166][  T157] softirqs last disabled at (125842): restore_fpregs_from_user (./include/linux/bottom_half.h:20 (discriminator 2) ./arch/x86/include/asm/fpu/api.h:69 (discriminator 2) arch/x86/kernel/fpu/signal.c:277 (discriminator 2))
| [   10.516172][  T157] Preemption disabled at:
| [   10.516173][  T157] vprintk_emit (kernel/printk/printk.c:2471)
| [   10.516181][  T157] Tainted: [W]=WARN
[   10.516182][  T157] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.516184][  T157] Call Trace:
[   10.516186][  T157]  <TASK>
[   10.516187][  T157]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.516192][  T157]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   10.516194][  T157]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.516199][  T157]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.516202][  T157]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.516207][  T157]  __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))
[   10.516209][  T157]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.516215][  T157]  ? 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)
[   10.516217][  T157]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.516220][  T157]  put_chars (drivers/char/virtio_console.c:1176)
[   10.516223][  T157]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.516224][  T157]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   10.516228][  T157]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.516231][  T157]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.516235][  T157]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.516238][  T157]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.516239][  T157]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.516243][  T157]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.516246][  T157]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.516249][  T157]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.516253][  T157]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.516256][  T157]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.516260][  T157]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.516262][  T157]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.516266][  T157]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.516270][  T157]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.516272][  T157]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.516276][  T157]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.516279][  T157]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.516280][  T157]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.516283][  T157]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.516286][  T157]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.516287][  T157]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.516290][  T157]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.516293][  T157]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.516296][  T157]  ? _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)
[   10.516302][  T157]  devkmsg_emit.constprop.0 (kernel/printk/printk.c:733)
[   10.516306][  T157]  ? vprintk_emit.cold (kernel/printk/printk.c:2449)
[   10.516310][  T157]  ? __kmalloc_noprof (mm/slub.c:5415 mm/slub.c:5439)
[   10.516312][  T157]  ? idr_get_free (??:?)
[   10.516315][  T157]  ? devkmsg_write (./include/linux/slab.h:995 kernel/printk/printk.c:762)
[   10.516318][  T157]  ? _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)
[   10.516321][  T157]  devkmsg_write.cold (kernel/printk/printk.c:796)
[   10.516324][  T157]  ? vprintk_default (kernel/printk/printk.c:2494)
[   10.516325][  T157]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.516327][  T157]  ? vfs_lock_file (./include/linux/fs.h:1348)
[   10.516332][  T157]  ? vprintk_default (kernel/printk/printk.c:2494)
[   10.516334][  T157]  new_sync_write (fs/read_write.c:595)
[   10.516339][  T157]  ? new_sync_read (./include/linux/ioprio.h:41)
[   10.516340][  T157]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.516348][  T157]  vfs_write (fs/read_write.c:687)
[   10.516352][  T157]  ksys_write (fs/read_write.c:739)
[   10.516355][  T157]  ? __ia32_sys_read (fs/read_write.c:723)
[   10.516357][  T157]  ? 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)
[   10.516359][  T157]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.516362][  T157]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.516365][  T157]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.516368][  T157]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.516370][  T157] RIP: 0033:0x7f60d56d354e
[   10.516374][  T157] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.516376][  T157] RSP: 002b:00007fff241aeca0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   10.516379][  T157] RAX: ffffffffffffffda RBX: 00007f60d5854580 RCX: 00007f60d56d354e
[   10.516380][  T157] RDX: 0000000000000025 RSI: 000055d75315fff0 RDI: 0000000000000001
[   10.516381][  T157] RBP: 00007fff241aecb0 R08: 0000000000000000 R09: 0000000000000000
[   10.516382][  T157] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000025
[   10.516383][  T157] R13: 0000000000000025 R14: 000055d75315fff0 R15: 0000000000000000
| [   11.583279][  T269] softirqs last disabled at (12665): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   11.583282][  T269] Preemption disabled at:
| [   11.583282][  T269] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.583291][  T269] Tainted: [W]=WARN
[   11.583292][  T269] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.583294][  T269] Call Trace:
[   11.583296][  T269]  <TASK>
[   11.583297][  T269]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.583303][  T269]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.583305][  T269]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.583309][  T269]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.583313][  T269]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.583318][  T269]  __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))
[   11.583320][  T269]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.583326][  T269]  ? 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)
[   11.583328][  T269]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.583331][  T269]  put_chars (drivers/char/virtio_console.c:1176)
[   11.583334][  T269]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.583335][  T269]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   11.583339][  T269]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.583341][  T269]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.583346][  T269]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.583348][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.583350][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.583354][  T269]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.583357][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.583360][  T269]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.583364][  T269]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.583367][  T269]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.583371][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.583373][  T269]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.583377][  T269]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.583381][  T269]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.583383][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.583387][  T269]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.583390][  T269]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.583392][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.583394][  T269]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.583397][  T269]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.583399][  T269]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.583402][  T269]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.583405][  T269]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.583408][  T269]  ? _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)
[   11.583413][  T269]  devkmsg_emit.constprop.0 (kernel/printk/printk.c:733)
[   11.583418][  T269]  ? vprintk_emit.cold (kernel/printk/printk.c:2449)
[   11.583421][  T269]  ? __kmalloc_noprof (mm/slub.c:5415 mm/slub.c:5439)
[   11.583423][  T269]  ? idr_get_free (??:?)
[   11.583427][  T269]  ? devkmsg_write (./include/linux/slab.h:995 kernel/printk/printk.c:762)
[   11.583430][  T269]  ? _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)
[   11.583433][  T269]  devkmsg_write.cold (kernel/printk/printk.c:796)
[   11.583436][  T269]  ? vprintk_default (kernel/printk/printk.c:2494)
[   11.583437][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.583439][  T269]  ? vfs_lock_file (./include/linux/fs.h:1348)
[   11.583444][  T269]  ? vprintk_default (kernel/printk/printk.c:2494)
[   11.583446][  T269]  new_sync_write (fs/read_write.c:595)
[   11.583451][  T269]  ? new_sync_read (./include/linux/ioprio.h:41)
[   11.583453][  T269]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.583461][  T269]  vfs_write (fs/read_write.c:687)
[   11.583465][  T269]  ksys_write (fs/read_write.c:739)
[   11.583468][  T269]  ? __ia32_sys_read (fs/read_write.c:723)
[   11.583469][  T269]  ? 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)
[   11.583472][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.583475][  T269]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.583478][  T269]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.583480][  T269]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.583483][  T269] RIP: 0033:0x7f60d56d354e
[   11.583486][  T269] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.583488][  T269] RSP: 002b:00007fff241ae6a0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   11.583491][  T269] RAX: ffffffffffffffda RBX: 00007f60d5854580 RCX: 00007f60d56d354e
[   11.583493][  T269] RDX: 0000000000000037 RSI: 000055d75315fff0 RDI: 0000000000000001
[   11.583494][  T269] RBP: 00007fff241ae6b0 R08: 0000000000000000 R09: 0000000000000000
[   11.583495][  T269] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000037
[   11.583496][  T269] R13: 0000000000000037 R14: 000055d75315fff0 R15: 0000000000000000
| [   12.584527][  T157] softirqs last disabled at (581867): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   12.584530][  T157] Preemption disabled at:
| [   12.584531][  T157] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.584544][  T157] Tainted: [W]=WARN
[   12.584545][  T157] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.584547][  T157] Call Trace:
[   12.584549][  T157]  <TASK>
[   12.584550][  T157]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.584555][  T157]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.584557][  T157]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.584562][  T157]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.584566][  T157]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.584570][  T157]  __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))
[   12.584572][  T157]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.584578][  T157]  ? 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)
[   12.584580][  T157]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.584583][  T157]  put_chars (drivers/char/virtio_console.c:1176)
[   12.584586][  T157]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.584587][  T157]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   12.584590][  T157]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.584593][  T157]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.584597][  T157]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.584600][  T157]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.584601][  T157]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.584605][  T157]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.584608][  T157]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.584611][  T157]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.584615][  T157]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.584618][  T157]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.584622][  T157]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.584624][  T157]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.584628][  T157]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.584631][  T157]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.584633][  T157]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.584638][  T157]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.584640][  T157]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.584642][  T157]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.584644][  T157]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.584647][  T157]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.584649][  T157]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.584652][  T157]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.584655][  T157]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.584658][  T157]  ? _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)
[   12.584664][  T157]  devkmsg_emit.constprop.0 (kernel/printk/printk.c:733)
[   12.584667][  T157]  ? vprintk_emit.cold (kernel/printk/printk.c:2449)
[   12.584671][  T157]  ? __kmalloc_noprof (mm/slub.c:5415 mm/slub.c:5439)
[   12.584673][  T157]  ? idr_get_free (??:?)
[   12.584677][  T157]  ? devkmsg_write (./include/linux/slab.h:995 kernel/printk/printk.c:762)
[   12.584679][  T157]  ? _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)
[   12.584682][  T157]  devkmsg_write.cold (kernel/printk/printk.c:796)
[   12.584685][  T157]  ? vprintk_default (kernel/printk/printk.c:2494)
[   12.584687][  T157]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.584689][  T157]  ? vfs_lock_file (./include/linux/fs.h:1348)
[   12.584693][  T157]  ? vprintk_default (kernel/printk/printk.c:2494)
[   12.584695][  T157]  new_sync_write (fs/read_write.c:595)
[   12.584700][  T157]  ? new_sync_read (./include/linux/ioprio.h:41)
[   12.584702][  T157]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.584709][  T157]  vfs_write (fs/read_write.c:687)
[   12.584713][  T157]  ksys_write (fs/read_write.c:739)
[   12.584716][  T157]  ? __ia32_sys_read (fs/read_write.c:723)
[   12.584718][  T157]  ? 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)
[   12.584720][  T157]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.584723][  T157]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.584726][  T157]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.584729][  T157]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.584731][  T157] RIP: 0033:0x7f60d56d354e
[   12.584735][  T157] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.584737][  T157] RSP: 002b:00007fff241aeca0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   12.584740][  T157] RAX: ffffffffffffffda RBX: 00007f60d5854580 RCX: 00007f60d56d354e
[   12.584741][  T157] RDX: 0000000000000026 RSI: 000055d75315fff0 RDI: 0000000000000001
[   12.584742][  T157] RBP: 00007fff241aecb0 R08: 0000000000000000 R09: 0000000000000000
[   12.584743][  T157] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000026
[   12.584744][  T157] R13: 0000000000000026 R14: 000055d75315fff0 R15: 0000000000000000
| [   13.612622][  T157] softirqs last disabled at (794750): restore_fpregs_from_user (./include/linux/bottom_half.h:20 (discriminator 2) ./arch/x86/include/asm/fpu/api.h:69 (discriminator 2) arch/x86/kernel/fpu/signal.c:277 (discriminator 2))
| [   13.612624][  T157] Preemption disabled at:
| [   13.612625][  T157] vprintk_emit (kernel/printk/printk.c:2471)
| [   13.612633][  T157] Tainted: [W]=WARN
[   13.612634][  T157] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.612636][  T157] Call Trace:
[   13.612638][  T157]  <TASK>
[   13.612639][  T157]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.612644][  T157]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   13.612646][  T157]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.612651][  T157]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.612654][  T157]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   13.612659][  T157]  __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))
[   13.612661][  T157]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.612667][  T157]  ? 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)
[   13.612669][  T157]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.612672][  T157]  put_chars (drivers/char/virtio_console.c:1176)
[   13.612675][  T157]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.612676][  T157]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   13.612679][  T157]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.612682][  T157]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.612687][  T157]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.612689][  T157]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.612691][  T157]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.612695][  T157]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.612698][  T157]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.612701][  T157]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.612704][  T157]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.612708][  T157]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.612712][  T157]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.612714][  T157]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.612717][  T157]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.612721][  T157]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.612723][  T157]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.612728][  T157]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.612730][  T157]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.612732][  T157]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.612734][  T157]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   13.612737][  T157]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.612739][  T157]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.612742][  T157]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.612745][  T157]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.612748][  T157]  ? _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)
[   13.612754][  T157]  devkmsg_emit.constprop.0 (kernel/printk/printk.c:733)
[   13.612758][  T157]  ? vprintk_emit.cold (kernel/printk/printk.c:2449)
[   13.612762][  T157]  ? __kmalloc_noprof (mm/slub.c:5415 mm/slub.c:5439)
[   13.612764][  T157]  ? idr_get_free (??:?)
[   13.612767][  T157]  ? devkmsg_write (./include/linux/slab.h:995 kernel/printk/printk.c:762)
[   13.612770][  T157]  ? _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)
[   13.612773][  T157]  devkmsg_write.cold (kernel/printk/printk.c:796)
[   13.612776][  T157]  ? vprintk_default (kernel/printk/printk.c:2494)
[   13.612777][  T157]  ? handle_pte_fault (mm/memory.c:6582)
[   13.612782][  T157]  ? do_numa_page.isra.0 (mm/memory.c:6319 (discriminator 1))
[   13.612784][  T157]  ? vprintk_default (kernel/printk/printk.c:2494)
[   13.612787][  T157]  new_sync_write (fs/read_write.c:595)
[   13.612792][  T157]  ? new_sync_read (./include/linux/ioprio.h:41)
[   13.612793][  T157]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   13.612802][  T157]  vfs_write (fs/read_write.c:687)
[   13.612806][  T157]  ksys_write (fs/read_write.c:739)
[   13.612808][  T157]  ? __ia32_sys_read (fs/read_write.c:723)
[   13.612811][  T157]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.612813][  T157]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.612816][  T157]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.612818][  T157]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   13.612821][  T157]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.612824][  T157] RIP: 0033:0x7f60d56d354e
[   13.612827][  T157] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.612829][  T157] RSP: 002b:00007fff241aeca0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   13.612832][  T157] RAX: ffffffffffffffda RBX: 00007f60d5854580 RCX: 00007f60d56d354e
[   13.612833][  T157] RDX: 0000000000000027 RSI: 000055d75315fff0 RDI: 0000000000000001
[   13.612834][  T157] RBP: 00007fff241aecb0 R08: 0000000000000000 R09: 0000000000000000
[   13.612835][  T157] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000027


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