======================================
| [   11.187461][  T215] softirqs last disabled at (48815): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   11.187464][  T215] Preemption disabled at:
| [   11.187465][  T215] 0x0
| [   11.187478][  T215] Tainted: [W]=WARN
[   11.187479][  T215] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.187481][  T215] Call Trace:
[   11.187483][  T215]  <TASK>
[   11.187485][  T215]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.187493][  T215]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.187499][  T215]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.187504][  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)
[   11.187510][  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))
[   11.187513][  T215]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.187522][  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)
[   11.187526][  T215]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.187531][  T215]  put_chars (drivers/char/virtio_console.c:1176)
[   11.187534][  T215]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.187536][  T215]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.187541][  T215]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.187549][  T215]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.187560][  T215]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.187564][  T215]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.187567][  T215]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.187576][  T215]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.187582][  T215]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.187585][  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))
[   11.187589][  T215]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.187592][  T215]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.187598][  T215]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.187604][  T215]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.187607][  T215]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.187615][  T215]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.187619][  T215]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.187621][  T215]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.187624][  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)
[   11.187630][  T215]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.187632][  T215]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.187637][  T215]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.187641][  T215]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.187646][  T215]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.187651][  T215]  _printk (kernel/printk/printk.c:2504)
[   11.187656][  T215]  ? snapshot_read.cold (user.c:?)
[   11.187660][  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)
[   11.187664][  T215]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   11.187670][  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)
[   11.187674][  T215]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   11.187679][  T215]  ? exit_notify (kernel/exit.c:780)
[   11.187681][  T215]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.187685][  T215]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.187691][  T215]  do_group_exit (kernel/exit.c:1151)
[   11.187695][  T215]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   11.187698][  T215]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   11.187701][  T215]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.187705][  T215]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.187709][  T215]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.187712][  T215] RIP: 0033:0x7ff70ac8d1b8
[   11.187715][  T215] Code: Unable to access opcode bytes at 0x7ff70ac8d18e.

Code starting with the faulting instruction
===========================================
[   11.187717][  T215] RSP: 002b:00007ffd28b863c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   11.187720][  T215] RAX: ffffffffffffffda RBX: 00007ff70adbdf88 RCX: 00007ff70ac8d1b8
[   11.187721][  T215] RDX: 00007ff70a9d7fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   11.187723][  T215] RBP: 00007ffd28b86420 R08: 0000000000000000 R09: 0000000000008010
[   11.187724][  T215] R10: 00007ffd28b861e0 R11: 0000000000000246 R12: 0000000000000001
[   11.187725][  T215] R13: 0000000000000000 R14: 00007ff70adbc680 R15: 00007ff70adbdfa0
| [   12.847653][  T288] softirqs last disabled at (18739): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   12.847656][  T288] Preemption disabled at:
| [   12.847657][  T288] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.847665][  T288] Tainted: [W]=WARN
[   12.847666][  T288] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.847668][  T288] Call Trace:
[   12.847669][  T288]  <TASK>
[   12.847670][  T288]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.847677][  T288]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.847678][  T288]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.847683][  T288]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.847687][  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)
[   12.847691][  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))
[   12.847693][  T288]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.847700][  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)
[   12.847702][  T288]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.847706][  T288]  put_chars (drivers/char/virtio_console.c:1176)
[   12.847708][  T288]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.847710][  T288]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.847713][  T288]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.847719][  T288]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.847726][  T288]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.847729][  T288]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.847731][  T288]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.847735][  T288]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.847739][  T288]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.847741][  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))
[   12.847744][  T288]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.847746][  T288]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.847750][  T288]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.847754][  T288]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.847755][  T288]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.847761][  T288]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.847764][  T288]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.847766][  T288]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.847767][  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)
[   12.847771][  T288]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.847773][  T288]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.847776][  T288]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.847779][  T288]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.847784][  T288]  ? exit_u32 (./include/net/pkt_cls.h:188 ./include/net/pkt_cls.h:231 net/sched/cls_u32.c:1373) cls_u32
[   12.847787][  T288]  _printk (kernel/printk/printk.c:2504)
[   12.847790][  T288]  ? snapshot_read.cold (user.c:?)
[   12.847797][  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)
[   12.847800][  T288] init_u32 (net/sched/cls_u32.c:1370) cls_u32
[   12.847803][  T288]  do_one_initcall (init/main.c:1357)
[   12.847806][  T288]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   12.847811][  T288]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   12.847813][  T288]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   12.847818][  T288]  do_init_module (kernel/module/main.c:3117)
[   12.847821][  T288]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   12.847825][  T288]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   12.847828][  T288]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   12.847831][  T288]  load_module (kernel/module/main.c:3593)
[   12.847836][  T288]  ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11))
[   12.847841][  T288]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   12.847844][  T288]  ? __ia32_sys_fsconfig (??:?)
[   12.847848][  T288]  ? backing_file_read_iter (fs/backing-file.c:211)
[   12.847852][  T288]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.847855][  T288]  init_module_from_file (kernel/module/main.c:3790)
[   12.847858][  T288]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   12.847865][  T288]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   12.847869][  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)
[   12.847872][  T288]  idempotent_init_module (kernel/module/main.c:3802)
[   12.847875][  T288]  ? init_module_from_file (kernel/module/main.c:3791)
[   12.847880][  T288]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   12.847882][  T288]  ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769)
[   12.847888][  T288]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   12.847889][  T288]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.847893][  T288]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.847896][  T288]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.847899][  T288]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.847901][  T288] RIP: 0033:0x7f92506cc37d
[   12.847904][  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
[   12.847906][  T288] RSP: 002b:00007ffdf7adf3a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   12.847909][  T288] RAX: ffffffffffffffda RBX: 000055d869b9c810 RCX: 00007f92506cc37d
[   12.847910][  T288] RDX: 0000000000000000 RSI: 000055d841876ffd RDI: 0000000000000000
[   12.847911][  T288] RBP: 00007ffdf7adf440 R08: 0000000000000000 R09: 0000000000000000
[   12.847912][  T288] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d841876ffd


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