======================================
| [   10.704427][  T215] softirqs last disabled at (33525): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   10.704430][  T215] Preemption disabled at:
| [   10.704430][  T215] 0x0
| [   10.704440][  T215] Tainted: [W]=WARN
[   10.704441][  T215] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.704443][  T215] Call Trace:
[   10.704444][  T215]  <TASK>
[   10.704446][  T215]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.704452][  T215]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.704457][  T215]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.704461][  T215]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.704466][  T215]  __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))
[   10.704468][  T215]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.704475][  T215]  ? 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)
[   10.704477][  T215]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.704481][  T215]  put_chars (drivers/char/virtio_console.c:1176)
[   10.704484][  T215]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.704485][  T215]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.704489][  T215]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.704494][  T215]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.704502][  T215]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.704505][  T215]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.704507][  T215]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.704511][  T215]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.704515][  T215]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.704517][  T215]  ? 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))
[   10.704520][  T215]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.704522][  T215]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.704526][  T215]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.704530][  T215]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.704532][  T215]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.704537][  T215]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.704540][  T215]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.704542][  T215]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.704544][  T215]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   10.704547][  T215]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.704549][  T215]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.704552][  T215]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.704556][  T215]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.704558][  T215]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.704562][  T215]  _printk (kernel/printk/printk.c:2504)
[   10.704566][  T215]  ? snapshot_read.cold (user.c:?)
[   10.704569][  T215]  ? 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)
[   10.704571][  T215]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.704575][  T215]  ? 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)
[   10.704578][  T215]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   10.704582][  T215]  ? exit_notify (kernel/exit.c:780)
[   10.704583][  T215]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.704586][  T215]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.704589][  T215]  do_group_exit (kernel/exit.c:1151)
[   10.704592][  T215]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   10.704594][  T215]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   10.704596][  T215]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.704600][  T215]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.704603][  T215]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.704605][  T215] RIP: 0033:0x7f0de11461b8
[   10.704607][  T215] Code: Unable to access opcode bytes at 0x7f0de114618e.

Code starting with the faulting instruction
===========================================
[   10.704608][  T215] RSP: 002b:00007ffd6e6c34c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   10.704611][  T215] RAX: ffffffffffffffda RBX: 00007f0de1276f88 RCX: 00007f0de11461b8
[   10.704612][  T215] RDX: 00007f0de0e90fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   10.704613][  T215] RBP: 00007ffd6e6c3520 R08: 0000000000000000 R09: 0000000000008010
[   10.704614][  T215] R10: 00007ffd6e6c32e0 R11: 0000000000000246 R12: 0000000000000001
[   10.704615][  T215] R13: 0000000000000000 R14: 00007f0de1275680 R15: 00007f0de1276fa0
| [   12.097334][  T288] softirqs last disabled at (16453): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   12.097337][  T288] Preemption disabled at:
| [   12.097338][  T288] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.097346][  T288] Tainted: [W]=WARN
[   12.097347][  T288] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.097349][  T288] Call Trace:
[   12.097350][  T288]  <TASK>
[   12.097351][  T288]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.097358][  T288]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.097359][  T288]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.097364][  T288]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.097369][  T288]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.097373][  T288]  __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))
[   12.097375][  T288]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.097382][  T288]  ? 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)
[   12.097385][  T288]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.097388][  T288]  put_chars (drivers/char/virtio_console.c:1176)
[   12.097391][  T288]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.097392][  T288]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.097396][  T288]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.097401][  T288]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.097409][  T288]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.097412][  T288]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.097414][  T288]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.097418][  T288]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.097422][  T288]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.097424][  T288]  ? 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))
[   12.097427][  T288]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.097429][  T288]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.097433][  T288]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.097437][  T288]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.097439][  T288]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.097445][  T288]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.097448][  T288]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.097450][  T288]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.097452][  T288]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   12.097455][  T288]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.097457][  T288]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.097460][  T288]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.097464][  T288]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.097469][  T288]  ? exit_u32 (./include/net/pkt_cls.h:188 ./include/net/pkt_cls.h:231 net/sched/cls_u32.c:1373) cls_u32
[   12.097472][  T288]  _printk (kernel/printk/printk.c:2504)
[   12.097475][  T288]  ? snapshot_read.cold (user.c:?)
[   12.097482][  T288]  ? 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)
[   12.097485][  T288] init_u32 (net/sched/cls_u32.c:1370) cls_u32
[   12.097489][  T288]  do_one_initcall (init/main.c:1357)
[   12.097492][  T288]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   12.097496][  T288]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   12.097499][  T288]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   12.097505][  T288]  do_init_module (kernel/module/main.c:3117)
[   12.097508][  T288]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   12.097512][  T288]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   12.097515][  T288]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   12.097518][  T288]  load_module (kernel/module/main.c:3593)
[   12.097524][  T288]  ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11))
[   12.097529][  T288]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   12.097532][  T288]  ? __ia32_sys_fsconfig (??:?)
[   12.097536][  T288]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.097539][  T288]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.097542][  T288]  init_module_from_file (kernel/module/main.c:3790)
[   12.097545][  T288]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   12.097552][  T288]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   12.097556][  T288]  ? 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)
[   12.097559][  T288]  idempotent_init_module (kernel/module/main.c:3802)
[   12.097562][  T288]  ? init_module_from_file (kernel/module/main.c:3791)
[   12.097568][  T288]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   12.097570][  T288]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   12.097575][  T288]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   12.097576][  T288]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.097580][  T288]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.097583][  T288]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.097586][  T288]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.097588][  T288] RIP: 0033:0x7f4bcc5f937d
[   12.097592][  T288] 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
[   12.097594][  T288] RSP: 002b:00007ffec162b288 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   12.097597][  T288] RAX: ffffffffffffffda RBX: 00005599a0d51810 RCX: 00007f4bcc5f937d
[   12.097598][  T288] RDX: 0000000000000000 RSI: 0000559982af3ffd RDI: 0000000000000000
[   12.097599][  T288] RBP: 00007ffec162b320 R08: 0000000000000000 R09: 0000000000000000
[   12.097600][  T288] R10: 0000000000000000 R11: 0000000000000246 R12: 0000559982af3ffd


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