======================================
| [   11.903272][  T226] softirqs last disabled at (28753): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   11.903275][  T226] Preemption disabled at:
| [   11.903275][  T226] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.903284][  T226] Tainted: [W]=WARN
[   11.903285][  T226] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.903286][  T226] Call Trace:
[   11.903287][  T226]  <TASK>
[   11.903289][  T226]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.903295][  T226]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.903296][  T226]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.903301][  T226]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.903304][  T226]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.903309][  T226]  __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))
[   11.903311][  T226]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.903318][  T226]  ? 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)
[   11.903320][  T226]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.903324][  T226]  put_chars (drivers/char/virtio_console.c:1176)
[   11.903326][  T226]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.903327][  T226]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.903331][  T226]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.903333][  T226]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.903338][  T226]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.903342][  T226]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.903347][  T226]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.903350][  T226]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.903354][  T226]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.903358][  T226]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.903360][  T226]  ? 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))
[   11.903363][  T226]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.903365][  T226]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.903369][  T226]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.903373][  T226]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.903375][  T226]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.903380][  T226]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.903383][  T226]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.903384][  T226]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.903386][  T226]  ? 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)
[   11.903390][  T226]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.903391][  T226]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.903394][  T226]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.903397][  T226]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.903400][  T226]  ? macsec_exit (drivers/net/macsec.c:4354 (discriminator 1)) macsec
[   11.903403][  T226]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4989 (discriminator 2))
[   11.903407][  T226]  ? macsec_exit (drivers/net/macsec.c:4354 (discriminator 1)) macsec
[   11.903410][  T226]  _printk (kernel/printk/printk.c:2504)
[   11.903413][  T226]  ? snapshot_read.cold (user.c:?)
[   11.903415][  T226]  ? alloc_workqueue_lockdep_map (kernel/workqueue.c:6092)
[   11.903423][  T226] macsec_init (drivers/net/macsec.c:358 (discriminator 1)) macsec
[   11.903425][  T226]  do_one_initcall (init/main.c:1357)
[   11.903429][  T226]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   11.903433][  T226]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   11.903436][  T226]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   11.903441][  T226]  do_init_module (kernel/module/main.c:3117)
[   11.903444][  T226]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   11.903448][  T226]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   11.903450][  T226]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   11.903454][  T226]  load_module (kernel/module/main.c:3593)
[   11.903459][  T226]  ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11))
[   11.903464][  T226]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   11.903468][  T226]  ? backing_file_read_iter (fs/backing-file.c:211)
[   11.903472][  T226]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.903475][  T226]  init_module_from_file (kernel/module/main.c:3790)
[   11.903478][  T226]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   11.903485][  T226]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   11.903489][  T226]  ? 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)
[   11.903492][  T226]  idempotent_init_module (kernel/module/main.c:3802)
[   11.903494][  T226]  ? init_module_from_file (kernel/module/main.c:3791)
[   11.903500][  T226]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   11.903502][  T226]  ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769)
[   11.903507][  T226]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   11.903509][  T226]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.903513][  T226]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.903515][  T226]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.903518][  T226]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.903520][  T226] RIP: 0033:0x7f08cddd037d
[   11.903524][  T226] 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
[   11.903525][  T226] RSP: 002b:00007ffcdd6d0188 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   11.903528][  T226] RAX: ffffffffffffffda RBX: 000055be4f82a810 RCX: 00007f08cddd037d
[   11.903529][  T226] RDX: 0000000000000000 RSI: 000055be2f0d6ffd RDI: 0000000000000000
[   11.903530][  T226] RBP: 00007ffcdd6d0220 R08: 0000000000000000 R09: 0000000000000000
[   11.903531][  T226] R10: 0000000000000000 R11: 0000000000000246 R12: 000055be2f0d6ffd
[   11.903532][  T226] R13: 000055be4f82a960 R14: 0000000000040000 R15: 0000000000000000
| [   13.232474][  T269] softirqs last disabled at (23489): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   13.232476][  T269] Preemption disabled at:
| [   13.232477][  T269] vprintk_emit (kernel/printk/printk.c:2471)
| [   13.232485][  T269] Tainted: [W]=WARN
[   13.232486][  T269] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.232488][  T269] Call Trace:
[   13.232489][  T269]  <TASK>
[   13.232491][  T269]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.232497][  T269]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   13.232498][  T269]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.232503][  T269]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.232507][  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)
[   13.232511][  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))
[   13.232513][  T269]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.232519][  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)
[   13.232522][  T269]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.232526][  T269]  put_chars (drivers/char/virtio_console.c:1176)
[   13.232528][  T269]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.232531][  T269]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.232536][  T269]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.232543][  T269]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.232546][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.232548][  T269]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.232552][  T269]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.232556][  T269]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.232558][  T269]  ? 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))
[   13.232561][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.232563][  T269]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.232566][  T269]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.232570][  T269]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.232572][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.232577][  T269]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.232580][  T269]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.232582][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.232584][  T269]  ? 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)
[   13.232587][  T269]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.232589][  T269]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.232592][  T269]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.232595][  T269]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.232599][  T269]  ? gre_exit (net/ipv4/gre_demux.c:73) gre
[   13.232602][  T269]  _printk (kernel/printk/printk.c:2504)
[   13.232606][  T269]  ? snapshot_read.cold (user.c:?)
[   13.232612][  T269]  ? 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)
[   13.232615][  T269] xfrmi_init (net/xfrm/xfrm_interface_core.c:124) xfrm_interface
[   13.232619][  T269]  do_one_initcall (init/main.c:1357)
[   13.232621][  T269]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   13.232626][  T269]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   13.232628][  T269]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   13.232634][  T269]  do_init_module (kernel/module/main.c:3117)
[   13.232637][  T269]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   13.232641][  T269]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   13.232643][  T269]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   13.232647][  T269]  load_module (kernel/module/main.c:3593)
[   13.232652][  T269]  ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11))
[   13.232656][  T269]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   13.232659][  T269]  ? __ia32_sys_fsconfig (??:?)
[   13.232663][  T269]  ? backing_file_read_iter (fs/backing-file.c:211)
[   13.232667][  T269]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.232670][  T269]  init_module_from_file (kernel/module/main.c:3790)
[   13.232672][  T269]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   13.232680][  T269]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   13.232683][  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)
[   13.232686][  T269]  idempotent_init_module (kernel/module/main.c:3802)
[   13.232689][  T269]  ? init_module_from_file (kernel/module/main.c:3791)
[   13.232694][  T269]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   13.232696][  T269]  ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769)
[   13.232702][  T269]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   13.232703][  T269]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.232707][  T269]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.232710][  T269]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   13.232712][  T269]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.232715][  T269] RIP: 0033:0x7f1edc41037d
[   13.232718][  T269] 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
[   13.232720][  T269] RSP: 002b:00007fffc894df88 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   13.232722][  T269] RAX: ffffffffffffffda RBX: 0000565158f1e810 RCX: 00007f1edc41037d
[   13.232723][  T269] RDX: 0000000000000000 RSI: 00005651585adffd RDI: 0000000000000000
[   13.232724][  T269] RBP: 00007fffc894e020 R08: 0000000000000000 R09: 0000000000000000
[   13.232725][  T269] R10: 0000000000000000 R11: 0000000000000246 R12: 00005651585adffd
[   13.232726][  T269] R13: 0000565158f1e970 R14: 0000000000040000 R15: 0000000000000000
| [   17.736816][  T399] softirqs last disabled at (24571): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   17.736819][  T399] Preemption disabled at:
| [   17.736819][  T399] vprintk_emit (kernel/printk/printk.c:2471)
| [   17.736828][  T399] Tainted: [W]=WARN
[   17.736829][  T399] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.736830][  T399] Call Trace:
[   17.736831][  T399]  <TASK>
[   17.736833][  T399]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   17.736839][  T399]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   17.736840][  T399]  __might_resched.cold (kernel/sched/core.c:9234)
[   17.736844][  T399]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   17.736848][  T399]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   17.736853][  T399]  __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))
[   17.736854][  T399]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.736861][  T399]  ? 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)
[   17.736863][  T399]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.736867][  T399]  put_chars (drivers/char/virtio_console.c:1176)
[   17.736869][  T399]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   17.736871][  T399]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   17.736874][  T399]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.736877][  T399]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   17.736882][  T399]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   17.736885][  T399]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.736890][  T399]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   17.736893][  T399]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.736897][  T399]  console_emit_next_record (kernel/printk/printk.c:3183)
[   17.736901][  T399]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   17.736903][  T399]  ? 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))
[   17.736906][  T399]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.736908][  T399]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.736912][  T399]  console_flush_one_record (kernel/printk/printk.c:3268)
[   17.736916][  T399]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   17.736917][  T399]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.736922][  T399]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   17.736925][  T399]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   17.736927][  T399]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.736929][  T399]  ? 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)
[   17.736932][  T399]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   17.736934][  T399]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   17.736937][  T399]  vprintk_emit (kernel/printk/printk.c:2479)
[   17.736940][  T399]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   17.736941][  T399]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   17.736945][  T399]  ? rtnl_link_register (net/core/rtnetlink.c:655)
[   17.736955][  T399]  ? gre_exit (net/ipv4/gre_demux.c:73) gre
[   17.736958][  T399]  _printk (kernel/printk/printk.c:2504)
[   17.736962][  T399]  ? snapshot_read.cold (user.c:?)
[   17.736967][  T399]  ? gre_exit (net/ipv4/gre_demux.c:73) gre
[   17.736969][  T399]  ? __mutex_unlock_slowpath (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:4480 kernel/locking/mutex.c:1021)
[   17.736972][  T399] can_dev_init (can-dev.mod.c:?) can_dev
[   17.736976][  T399]  do_one_initcall (init/main.c:1357)
[   17.736979][  T399]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   17.736983][  T399]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   17.736986][  T399]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   17.736991][  T399]  do_init_module (kernel/module/main.c:3117)
[   17.736994][  T399]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   17.736997][  T399]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   17.737000][  T399]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   17.737003][  T399]  load_module (kernel/module/main.c:3593)
[   17.737008][  T399]  ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11))
[   17.737013][  T399]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   17.737017][  T399]  ? backing_file_read_iter (fs/backing-file.c:211)
[   17.737021][  T399]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   17.737024][  T399]  init_module_from_file (kernel/module/main.c:3790)
[   17.737027][  T399]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   17.737034][  T399]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   17.737038][  T399]  ? 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)
[   17.737041][  T399]  idempotent_init_module (kernel/module/main.c:3802)
[   17.737043][  T399]  ? init_module_from_file (kernel/module/main.c:3791)
[   17.737049][  T399]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   17.737051][  T399]  ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769)
[   17.737056][  T399]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   17.737057][  T399]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   17.737061][  T399]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   17.737064][  T399]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   17.737067][  T399]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.737069][  T399] RIP: 0033:0x7fd9716d337d
[   17.737072][  T399] 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
[   17.737074][  T399] RSP: 002b:00007ffe98ed33d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   17.737076][  T399] RAX: ffffffffffffffda RBX: 000055aefa02da50 RCX: 00007fd9716d337d
[   17.737078][  T399] RDX: 0000000000000000 RSI: 000055aeeaa60ffd RDI: 0000000000000000
[   17.737078][  T399] RBP: 00007ffe98ed3470 R08: 0000000000000000 R09: 0000000000000000
[   17.737079][  T399] R10: 0000000000000000 R11: 0000000000000246 R12: 000055aeeaa60ffd


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