======================================
| [   10.443756][  T175] softirqs last disabled at (40405): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   10.443758][  T175] Preemption disabled at:
| [   10.443759][  T175] vprintk_emit (kernel/printk/printk.c:2471)
| [   10.443768][  T175] Tainted: [W]=WARN
[   10.443769][  T175] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.443771][  T175] Call Trace:
[   10.443772][  T175]  <TASK>
[   10.443774][  T175]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.443778][  T175]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   10.443780][  T175]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.443785][  T175]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.443788][  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)
[   10.443793][  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))
[   10.443796][  T175]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.443802][  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)
[   10.443805][  T175]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.443808][  T175]  put_chars (drivers/char/virtio_console.c:1176)
[   10.443811][  T175]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.443815][  T175]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.443820][  T175]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.443827][  T175]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.443829][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.443833][  T175]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.443837][  T175]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.443840][  T175]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.443842][  T175]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   10.443845][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.443846][  T175]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.443851][  T175]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.443854][  T175]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.443856][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.443861][  T175]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.443864][  T175]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.443865][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.443867][  T175]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.443871][  T175]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.443873][  T175]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.443876][  T175]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.443879][  T175]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.443884][  T175]  ? tun_cleanup (drivers/net/tun.c:3536) tun
[   10.443889][  T175]  _printk (kernel/printk/printk.c:2504)
[   10.443892][  T175]  ? snapshot_read.cold (user.c:?)
[   10.443898][  T175]  ? do_one_initcall (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/initcall.h:27 init/main.c:1356)
[   10.443902][  T175] tun_init (tun.mod.c:?) tun
[   10.443905][  T175]  do_one_initcall (init/main.c:1357)
[   10.443908][  T175]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   10.443913][  T175]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   10.443916][  T175]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   10.443921][  T175]  do_init_module (kernel/module/main.c:3117)
[   10.443924][  T175]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   10.443928][  T175]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   10.443931][  T175]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   10.443935][  T175]  load_module (kernel/module/main.c:3593)
[   10.443942][  T175]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   10.443947][  T175]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   10.443952][  T175]  init_module_from_file (kernel/module/main.c:3790)
[   10.443954][  T175]  ? __ia32_sys_init_module (kernel/module/main.c:3647)
[   10.443962][  T175]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.443966][  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)
[   10.443969][  T175]  idempotent_init_module (kernel/module/main.c:3802)
[   10.443972][  T175]  ? init_module_from_file (kernel/module/main.c:3791)
[   10.443978][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.443980][  T175]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   10.443985][  T175]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   10.443987][  T175]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.443991][  T175]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.443993][  T175]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.443996][  T175]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.443999][  T175] RIP: 0033:0x7f5b7a51437d
[   10.444002][  T175] 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
[   10.444004][  T175] RSP: 002b:00007ffe3871a458 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   10.444006][  T175] RAX: ffffffffffffffda RBX: 000055f1d517e980 RCX: 00007f5b7a51437d
[   10.444007][  T175] RDX: 0000000000000000 RSI: 000055f1b9d4dffd RDI: 0000000000000005
[   10.444008][  T175] RBP: 00007ffe3871a4f0 R08: 0000000000000000 R09: 0000000000000000
[   10.444009][  T175] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f1b9d4dffd
[   10.444010][  T175] R13: 000055f1d517eaa0 R14: 0000000000040000 R15: 0000000000000000
| [   12.487219][  T210] softirqs last disabled at (4323968): release_sock (./include/linux/spinlock.h:353 net/core/sock.c:3858)
| [   12.487223][  T210] Preemption disabled at:
| [   12.487223][  T210] 0x0
| [   12.487234][  T210] Tainted: [W]=WARN
[   12.487235][  T210] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.487236][  T210] Call Trace:
[   12.487238][  T210]  <TASK>
[   12.487239][  T210]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.487245][  T210]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.487249][  T210]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.487252][  T210]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.487257][  T210]  __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))
[   12.487259][  T210]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.487265][  T210]  ? 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)
[   12.487268][  T210]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.487272][  T210]  put_chars (drivers/char/virtio_console.c:1176)
[   12.487274][  T210]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.487281][  T210]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.487288][  T210]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.487290][  T210]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.487295][  T210]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.487298][  T210]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.487299][  T210]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   12.487302][  T210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.487305][  T210]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.487309][  T210]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.487316][  T210]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.487317][  T210]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.487322][  T210]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.487325][  T210]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.487326][  T210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.487328][  T210]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.487331][  T210]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.487333][  T210]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.487336][  T210]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.487339][  T210]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.487342][  T210]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.487346][  T210]  _printk (kernel/printk/printk.c:2504)
[   12.487350][  T210]  ? snapshot_read.cold (user.c:?)
[   12.487352][  T210]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   12.487355][  T210]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   12.487359][  T210]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   12.487362][  T210]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   12.487366][  T210]  ? exit_notify (kernel/exit.c:780)
[   12.487367][  T210]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.487370][  T210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.487374][  T210]  do_group_exit (kernel/exit.c:1151)
[   12.487377][  T210]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   12.487379][  T210]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   12.487381][  T210]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.487384][  T210]  ? irq_exit_rcu (kernel/softirq.c:786)
[   12.487388][  T210]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.487390][  T210] RIP: 0033:0x479678
[   12.487392][  T210] Code: Unable to access opcode bytes at 0x47964e.

Code starting with the faulting instruction
===========================================
[   12.487393][  T210] RSP: 002b:00007ffc36017dd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   12.487396][  T210] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000479678
[   12.487397][  T210] RDX: 000000003bfa6708 RSI: fffffffffffffff0 RDI: 0000000000000000
[   12.487398][  T210] RBP: 00007ffc36017e30 R08: 0000000000000000 R09: 000000003bfa7450
[   12.487399][  T210] R10: 0000000000000110 R11: 0000000000000246 R12: 00007ffc36017f68
[   12.487400][  T210] R13: 00007ffc36017fa8 R14: 0000000000000000 R15: 000000000054d560
| [   28.545708][  T504] softirqs last disabled at (2471100): release_sock (./include/linux/spinlock.h:353 net/core/sock.c:3858)
| [   28.545712][  T504] Preemption disabled at:
| [   28.545713][  T504] 0x0
| [   28.545724][  T504] Tainted: [W]=WARN
[   28.545725][  T504] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.545726][  T504] Call Trace:
[   28.545728][  T504]  <TASK>
[   28.545730][  T504]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   28.545735][  T504]  __might_resched.cold (kernel/sched/core.c:9234)
[   28.545740][  T504]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   28.545744][  T504]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   28.545749][  T504]  __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))
[   28.545751][  T504]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.545757][  T504]  ? 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)
[   28.545760][  T504]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.545764][  T504]  put_chars (drivers/char/virtio_console.c:1176)
[   28.545767][  T504]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   28.545773][  T504]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   28.545780][  T504]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   28.545783][  T504]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.545788][  T504]  console_emit_next_record (kernel/printk/printk.c:3183)
[   28.545791][  T504]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   28.545793][  T504]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   28.545795][  T504]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.545799][  T504]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.545803][  T504]  console_flush_one_record (kernel/printk/printk.c:3268)
[   28.545807][  T504]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   28.545808][  T504]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.545814][  T504]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   28.545816][  T504]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   28.545817][  T504]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.545819][  T504]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   28.545823][  T504]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   28.545825][  T504]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   28.545828][  T504]  vprintk_emit (kernel/printk/printk.c:2479)
[   28.545832][  T504]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   28.545835][  T504]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.545839][  T504]  _printk (kernel/printk/printk.c:2504)
[   28.545842][  T504]  ? snapshot_read.cold (user.c:?)
[   28.545845][  T504]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   28.545848][  T504]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   28.545852][  T504]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   28.545855][  T504]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   28.545859][  T504]  ? exit_notify (kernel/exit.c:780)
[   28.545860][  T504]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.545863][  T504]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.545867][  T504]  do_group_exit (kernel/exit.c:1151)
[   28.545870][  T504]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   28.545872][  T504]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   28.545875][  T504]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   28.545879][  T504]  ? irq_exit_rcu (kernel/softirq.c:786)
[   28.545882][  T504]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   28.545885][  T504] RIP: 0033:0x479678
[   28.545887][  T504] Code: Unable to access opcode bytes at 0x47964e.

Code starting with the faulting instruction
===========================================
[   28.545888][  T504] RSP: 002b:00007ffd63fde938 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   28.545891][  T504] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000479678
[   28.545892][  T504] RDX: 000000000d159708 RSI: fffffffffffffff0 RDI: 0000000000000000
[   28.545893][  T504] RBP: 00007ffd63fde990 R08: 0000000000000000 R09: 000000000d15a450
[   28.545894][  T504] R10: 0000000000000110 R11: 0000000000000246 R12: 00007ffd63fdeac8
[   28.545895][  T504] R13: 00007ffd63fdeb08 R14: 0000000000000000 R15: 000000000054d560
| [   31.211996][  T581] softirqs last disabled at (3873177): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   31.211999][  T581] Preemption disabled at:
| [   31.211999][  T581] 0x0
| [   31.212011][  T581] Tainted: [W]=WARN
[   31.212012][  T581] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   31.212013][  T581] Call Trace:
[   31.212015][  T581]  <TASK>
[   31.212016][  T581]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   31.212022][  T581]  __might_resched.cold (kernel/sched/core.c:9234)
[   31.212026][  T581]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   31.212030][  T581]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   31.212035][  T581]  __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))
[   31.212037][  T581]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   31.212043][  T581]  ? 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)
[   31.212046][  T581]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   31.212049][  T581]  put_chars (drivers/char/virtio_console.c:1176)
[   31.212052][  T581]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   31.212059][  T581]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   31.212066][  T581]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   31.212069][  T581]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   31.212073][  T581]  console_emit_next_record (kernel/printk/printk.c:3183)
[   31.212077][  T581]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   31.212078][  T581]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   31.212081][  T581]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.212084][  T581]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   31.212088][  T581]  console_flush_one_record (kernel/printk/printk.c:3268)
[   31.212092][  T581]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   31.212093][  T581]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.212099][  T581]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   31.212101][  T581]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   31.212102][  T581]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.212104][  T581]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   31.212108][  T581]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   31.212110][  T581]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   31.212113][  T581]  vprintk_emit (kernel/printk/printk.c:2479)
[   31.212116][  T581]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   31.212117][  T581]  ? 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)
[   31.212121][  T581]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.212125][  T581]  _printk (kernel/printk/printk.c:2504)
[   31.212128][  T581]  ? snapshot_read.cold (user.c:?)
[   31.212131][  T581]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   31.212134][  T581]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   31.212138][  T581]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   31.212146][  T581]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   31.212150][  T581]  ? exit_notify (kernel/exit.c:780)
[   31.212151][  T581]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   31.212154][  T581]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.212158][  T581]  do_group_exit (kernel/exit.c:1151)
[   31.212161][  T581]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   31.212164][  T581]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   31.212167][  T581]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   31.212171][  T581]  ? irq_exit_rcu (kernel/softirq.c:786)
[   31.212174][  T581]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   31.212176][  T581] RIP: 0033:0x479678
[   31.212178][  T581] Code: Unable to access opcode bytes at 0x47964e.

Code starting with the faulting instruction
===========================================
[   31.212179][  T581] RSP: 002b:00007ffd6d443758 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   31.212181][  T581] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000479678
[   31.212183][  T581] RDX: 0000000008534708 RSI: fffffffffffffff0 RDI: 0000000000000000
[   31.212184][  T581] RBP: 00007ffd6d4437b0 R08: 0000000000000000 R09: 0000000008535450
[   31.212185][  T581] R10: 0000000000000110 R11: 0000000000000246 R12: 00007ffd6d4438e8


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