======================================
| [   12.052303][  T224] softirqs last disabled at (24067): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   12.052306][  T224] Preemption disabled at:
| [   12.052306][  T224] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.052315][  T224] Tainted: [W]=WARN
[   12.052316][  T224] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.052317][  T224] Call Trace:
[   12.052319][  T224]  <TASK>
[   12.052320][  T224]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.052326][  T224]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.052327][  T224]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.052332][  T224]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.052336][  T224]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.052340][  T224]  __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))
[   12.052342][  T224]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.052348][  T224]  ? 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)
[   12.052351][  T224]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.052355][  T224]  put_chars (drivers/char/virtio_console.c:1176)
[   12.052357][  T224]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.052358][  T224]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.052362][  T224]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.052364][  T224]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.052369][  T224]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.052373][  T224]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.052378][  T224]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.052381][  T224]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.052385][  T224]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.052389][  T224]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.052391][  T224]  ? 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))
[   12.052394][  T224]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.052396][  T224]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.052400][  T224]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.052404][  T224]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.052406][  T224]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.052411][  T224]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.052414][  T224]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.052416][  T224]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.052417][  T224]  ? 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)
[   12.052421][  T224]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.052423][  T224]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.052425][  T224]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.052429][  T224]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.052431][  T224]  ? macsec_exit (drivers/net/macsec.c:4354 (discriminator 1)) macsec
[   12.052434][  T224]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4989 (discriminator 2))
[   12.052438][  T224]  ? macsec_exit (drivers/net/macsec.c:4354 (discriminator 1)) macsec
[   12.052441][  T224]  _printk (kernel/printk/printk.c:2504)
[   12.052444][  T224]  ? snapshot_read.cold (user.c:?)
[   12.052450][  T224]  ? alloc_workqueue_lockdep_map (kernel/workqueue.c:6092)
[   12.052458][  T224] macsec_init (drivers/net/macsec.c:358 (discriminator 1)) macsec
[   12.052461][  T224]  do_one_initcall (init/main.c:1357)
[   12.052464][  T224]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   12.052468][  T224]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   12.052471][  T224]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   12.052476][  T224]  do_init_module (kernel/module/main.c:3117)
[   12.052479][  T224]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   12.052483][  T224]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   12.052485][  T224]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   12.052489][  T224]  load_module (kernel/module/main.c:3593)
[   12.052494][  T224]  ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11))
[   12.052498][  T224]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   12.052502][  T224]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.052505][  T224]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.052508][  T224]  init_module_from_file (kernel/module/main.c:3790)
[   12.052510][  T224]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   12.052517][  T224]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   12.052521][  T224]  ? 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)
[   12.052524][  T224]  idempotent_init_module (kernel/module/main.c:3802)
[   12.052527][  T224]  ? init_module_from_file (kernel/module/main.c:3791)
[   12.052532][  T224]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   12.052534][  T224]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   12.052538][  T224]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   12.052540][  T224]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.052543][  T224]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.052546][  T224]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.052549][  T224]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.052551][  T224] RIP: 0033:0x7f279ba6a37d
[   12.052554][  T224] 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
[   12.052556][  T224] RSP: 002b:00007ffee70b90a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   12.052558][  T224] RAX: ffffffffffffffda RBX: 000055a6dfdea810 RCX: 00007f279ba6a37d
[   12.052559][  T224] RDX: 0000000000000000 RSI: 000055a6a236affd RDI: 0000000000000000
[   12.052560][  T224] RBP: 00007ffee70b9140 R08: 0000000000000000 R09: 0000000000000000
[   12.052561][  T224] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a6a236affd
[   12.052562][  T224] R13: 000055a6dfdea960 R14: 0000000000040000 R15: 0000000000000000
| [   13.368046][  T268] softirqs last disabled at (21703): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   13.368048][  T268] Preemption disabled at:
| [   13.368049][  T268] vprintk_emit (kernel/printk/printk.c:2471)
| [   13.368057][  T268] Tainted: [W]=WARN
[   13.368058][  T268] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.368060][  T268] Call Trace:
[   13.368061][  T268]  <TASK>
[   13.368062][  T268]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.368068][  T268]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   13.368070][  T268]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.368074][  T268]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.368078][  T268]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   13.368082][  T268]  __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))
[   13.368084][  T268]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.368091][  T268]  ? 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)
[   13.368094][  T268]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.368097][  T268]  put_chars (drivers/char/virtio_console.c:1176)
[   13.368100][  T268]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.368103][  T268]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.368108][  T268]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.368117][  T268]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.368120][  T268]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.368123][  T268]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.368127][  T268]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.368131][  T268]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.368133][  T268]  ? 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))
[   13.368136][  T268]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.368137][  T268]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.368141][  T268]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.368145][  T268]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.368147][  T268]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.368152][  T268]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.368155][  T268]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.368157][  T268]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.368158][  T268]  ? 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)
[   13.368162][  T268]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.368164][  T268]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.368166][  T268]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.368170][  T268]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.368174][  T268]  ? xfrmi_fini (./include/linux/etherdevice.h:115 net/xfrm/xfrm_interface_core.c:779) xfrm_interface
[   13.368177][  T268]  _printk (kernel/printk/printk.c:2504)
[   13.368181][  T268]  ? snapshot_read.cold (user.c:?)
[   13.368187][  T268]  ? 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)
[   13.368190][  T268] xfrmi_init (net/xfrm/xfrm_interface_core.c:124) xfrm_interface
[   13.368193][  T268]  do_one_initcall (init/main.c:1357)
[   13.368196][  T268]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   13.368200][  T268]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   13.368203][  T268]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   13.368208][  T268]  do_init_module (kernel/module/main.c:3117)
[   13.368211][  T268]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   13.368215][  T268]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   13.368218][  T268]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   13.368221][  T268]  load_module (kernel/module/main.c:3593)
[   13.368226][  T268]  ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11))
[   13.368231][  T268]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   13.368234][  T268]  ? __ia32_sys_fsconfig (??:?)
[   13.368238][  T268]  ? backing_file_read_iter (fs/backing-file.c:211)
[   13.368241][  T268]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.368244][  T268]  init_module_from_file (kernel/module/main.c:3790)
[   13.368247][  T268]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   13.368254][  T268]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   13.368258][  T268]  ? 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)
[   13.368261][  T268]  idempotent_init_module (kernel/module/main.c:3802)
[   13.368264][  T268]  ? init_module_from_file (kernel/module/main.c:3791)
[   13.368269][  T268]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   13.368271][  T268]  ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769)
[   13.368276][  T268]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   13.368278][  T268]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.368282][  T268]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.368285][  T268]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   13.368287][  T268]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.368289][  T268] RIP: 0033:0x7fc355e3437d
[   13.368293][  T268] 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
[   13.368294][  T268] RSP: 002b:00007fff9ab89fb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   13.368297][  T268] RAX: ffffffffffffffda RBX: 0000563cf898e810 RCX: 00007fc355e3437d
[   13.368298][  T268] RDX: 0000000000000000 RSI: 0000563cf24baffd RDI: 0000000000000000
[   13.368299][  T268] RBP: 00007fff9ab8a050 R08: 0000000000000000 R09: 0000000000000000
[   13.368300][  T268] R10: 0000000000000000 R11: 0000000000000246 R12: 0000563cf24baffd
[   13.368300][  T268] R13: 0000563cf898e970 R14: 0000000000040000 R15: 0000000000000000
| [   17.721062][  T397] softirqs last disabled at (34553): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   17.721065][  T397] Preemption disabled at:
| [   17.721066][  T397] vprintk_emit (kernel/printk/printk.c:2471)
| [   17.721074][  T397] Tainted: [W]=WARN
[   17.721075][  T397] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.721077][  T397] Call Trace:
[   17.721078][  T397]  <TASK>
[   17.721079][  T397]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   17.721085][  T397]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   17.721087][  T397]  __might_resched.cold (kernel/sched/core.c:9234)
[   17.721091][  T397]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   17.721095][  T397]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   17.721099][  T397]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   17.721101][  T397]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.721108][  T397]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   17.721113][  T397]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.721117][  T397]  put_chars (drivers/char/virtio_console.c:1176)
[   17.721119][  T397]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   17.721121][  T397]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   17.721124][  T397]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.721127][  T397]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   17.721132][  T397]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   17.721136][  T397]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.721141][  T397]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   17.721144][  T397]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.721148][  T397]  console_emit_next_record (kernel/printk/printk.c:3183)
[   17.721152][  T397]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   17.721154][  T397]  ? 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))
[   17.721157][  T397]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.721159][  T397]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.721162][  T397]  console_flush_one_record (kernel/printk/printk.c:3268)
[   17.721166][  T397]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   17.721168][  T397]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.721173][  T397]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   17.721176][  T397]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   17.721178][  T397]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.721179][  T397]  ? 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)
[   17.721183][  T397]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   17.721185][  T397]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   17.721187][  T397]  vprintk_emit (kernel/printk/printk.c:2479)
[   17.721190][  T397]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   17.721192][  T397]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   17.721196][  T397]  ? rtnl_link_register (net/core/rtnetlink.c:655)
[   17.721201][  T397]  ? can_dev_exit (drivers/net/can/dev/skb.c:77) can_dev
[   17.721205][  T397]  _printk (kernel/printk/printk.c:2504)
[   17.721209][  T397]  ? snapshot_read.cold (user.c:?)
[   17.721214][  T397]  ? can_dev_exit (drivers/net/can/dev/skb.c:77) can_dev
[   17.721217][  T397]  ? __mutex_unlock_slowpath (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:4480 kernel/locking/mutex.c:1021)
[   17.721219][  T397] can_dev_init (can-dev.mod.c:?) can_dev
[   17.721222][  T397]  do_one_initcall (init/main.c:1357)
[   17.721226][  T397]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   17.721230][  T397]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   17.721233][  T397]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   17.721238][  T397]  do_init_module (kernel/module/main.c:3117)
[   17.721241][  T397]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   17.721244][  T397]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   17.721246][  T397]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   17.721250][  T397]  load_module (kernel/module/main.c:3593)
[   17.721255][  T397]  ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11))
[   17.721260][  T397]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   17.721264][  T397]  ? backing_file_read_iter (fs/backing-file.c:211)
[   17.721268][  T397]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   17.721271][  T397]  init_module_from_file (kernel/module/main.c:3790)
[   17.721273][  T397]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   17.721281][  T397]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   17.721284][  T397]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   17.721287][  T397]  idempotent_init_module (kernel/module/main.c:3802)
[   17.721290][  T397]  ? init_module_from_file (kernel/module/main.c:3791)
[   17.721295][  T397]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   17.721297][  T397]  ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769)
[   17.721303][  T397]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   17.721304][  T397]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   17.721308][  T397]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   17.721311][  T397]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   17.721313][  T397]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.721315][  T397] RIP: 0033:0x7f1b6c4c637d
[   17.721318][  T397] 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
[   17.721320][  T397] RSP: 002b:00007ffc439b9768 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   17.721323][  T397] RAX: ffffffffffffffda RBX: 0000561504c2fa50 RCX: 00007f1b6c4c637d
[   17.721324][  T397] RDX: 0000000000000000 RSI: 00005614e0b64ffd RDI: 0000000000000000
[   17.721325][  T397] RBP: 00007ffc439b9800 R08: 0000000000000000 R09: 0000000000000000
[   17.721325][  T397] R10: 0000000000000000 R11: 0000000000000246 R12: 00005614e0b64ffd


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