======================================
| [   11.668209][  T224] softirqs last disabled at (19551): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   11.668211][  T224] Preemption disabled at:
| [   11.668212][  T224] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.668220][  T224] Tainted: [W]=WARN
[   11.668221][  T224] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.668223][  T224] Call Trace:
[   11.668224][  T224]  <TASK>
[   11.668226][  T224]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.668232][  T224]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.668233][  T224]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.668237][  T224]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.668241][  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)
[   11.668245][  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))
[   11.668247][  T224]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.668254][  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)
[   11.668257][  T224]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.668260][  T224]  put_chars (drivers/char/virtio_console.c:1176)
[   11.668263][  T224]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.668264][  T224]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.668267][  T224]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.668270][  T224]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.668275][  T224]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.668278][  T224]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.668283][  T224]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.668286][  T224]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.668291][  T224]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.668295][  T224]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.668297][  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))
[   11.668300][  T224]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.668302][  T224]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.668306][  T224]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.668310][  T224]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.668311][  T224]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.668317][  T224]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.668319][  T224]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.668321][  T224]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.668323][  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)
[   11.668326][  T224]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.668328][  T224]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.668331][  T224]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.668334][  T224]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.668336][  T224]  ? macsec_exit (drivers/net/macsec.c:4354 (discriminator 1)) macsec
[   11.668340][  T224]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4989 (discriminator 2))
[   11.668343][  T224]  ? macsec_exit (drivers/net/macsec.c:4354 (discriminator 1)) macsec
[   11.668346][  T224]  _printk (kernel/printk/printk.c:2504)
[   11.668350][  T224]  ? snapshot_read.cold (user.c:?)
[   11.668351][  T224]  ? alloc_workqueue_lockdep_map (kernel/workqueue.c:6092)
[   11.668359][  T224] macsec_init (drivers/net/macsec.c:358 (discriminator 1)) macsec
[   11.668362][  T224]  do_one_initcall (init/main.c:1357)
[   11.668365][  T224]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   11.668370][  T224]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   11.668372][  T224]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   11.668378][  T224]  do_init_module (kernel/module/main.c:3117)
[   11.668381][  T224]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   11.668385][  T224]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   11.668387][  T224]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   11.668391][  T224]  load_module (kernel/module/main.c:3593)
[   11.668396][  T224]  ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11))
[   11.668400][  T224]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   11.668404][  T224]  ? backing_file_read_iter (fs/backing-file.c:211)
[   11.668408][  T224]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.668413][  T224]  init_module_from_file (kernel/module/main.c:3790)
[   11.668416][  T224]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   11.668423][  T224]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   11.668427][  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)
[   11.668430][  T224]  idempotent_init_module (kernel/module/main.c:3802)
[   11.668432][  T224]  ? init_module_from_file (kernel/module/main.c:3791)
[   11.668437][  T224]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   11.668440][  T224]  ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769)
[   11.668445][  T224]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   11.668446][  T224]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.668450][  T224]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.668453][  T224]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.668455][  T224]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.668457][  T224] RIP: 0033:0x7f0f9131437d
[   11.668460][  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
[   11.668462][  T224] RSP: 002b:00007ffdba594888 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   11.668465][  T224] RAX: ffffffffffffffda RBX: 000055654a30e810 RCX: 00007f0f9131437d
[   11.668466][  T224] RDX: 0000000000000000 RSI: 000055653f459ffd RDI: 0000000000000000
[   11.668467][  T224] RBP: 00007ffdba594920 R08: 0000000000000000 R09: 0000000000000000
[   11.668468][  T224] R10: 0000000000000000 R11: 0000000000000246 R12: 000055653f459ffd
[   11.668468][  T224] R13: 000055654a30e960 R14: 0000000000040000 R15: 0000000000000000
| [   12.953275][  T269] softirqs last disabled at (20111): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   12.953277][  T269] Preemption disabled at:
| [   12.953278][  T269] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.953286][  T269] Tainted: [W]=WARN
[   12.953287][  T269] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.953288][  T269] Call Trace:
[   12.953290][  T269]  <TASK>
[   12.953291][  T269]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.953297][  T269]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.953299][  T269]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.953303][  T269]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.953307][  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)
[   12.953311][  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))
[   12.953313][  T269]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.953320][  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)
[   12.953323][  T269]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.953326][  T269]  put_chars (drivers/char/virtio_console.c:1176)
[   12.953329][  T269]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.953331][  T269]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.953336][  T269]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.953344][  T269]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.953347][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.953349][  T269]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.953353][  T269]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.953357][  T269]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.953359][  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))
[   12.953362][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.953364][  T269]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.953368][  T269]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.953372][  T269]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.953374][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.953379][  T269]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.953382][  T269]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.953384][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.953385][  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)
[   12.953389][  T269]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.953390][  T269]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.953393][  T269]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.953396][  T269]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.953401][  T269]  ? gre_exit (net/ipv4/gre_demux.c:73) gre
[   12.953404][  T269]  _printk (kernel/printk/printk.c:2504)
[   12.953408][  T269]  ? snapshot_read.cold (user.c:?)
[   12.953416][  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)
[   12.953419][  T269] xfrmi_init (net/xfrm/xfrm_interface_core.c:124) xfrm_interface
[   12.953422][  T269]  do_one_initcall (init/main.c:1357)
[   12.953425][  T269]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   12.953429][  T269]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   12.953432][  T269]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   12.953437][  T269]  do_init_module (kernel/module/main.c:3117)
[   12.953440][  T269]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   12.953444][  T269]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   12.953446][  T269]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   12.953450][  T269]  load_module (kernel/module/main.c:3593)
[   12.953455][  T269]  ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11))
[   12.953459][  T269]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   12.953462][  T269]  ? __ia32_sys_fsconfig (??:?)
[   12.953466][  T269]  ? backing_file_read_iter (fs/backing-file.c:211)
[   12.953470][  T269]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.953473][  T269]  init_module_from_file (kernel/module/main.c:3790)
[   12.953475][  T269]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   12.953483][  T269]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   12.953486][  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)
[   12.953489][  T269]  idempotent_init_module (kernel/module/main.c:3802)
[   12.953492][  T269]  ? init_module_from_file (kernel/module/main.c:3791)
[   12.953497][  T269]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   12.953499][  T269]  ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769)
[   12.953504][  T269]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   12.953506][  T269]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.953510][  T269]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.953512][  T269]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.953515][  T269]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.953517][  T269] RIP: 0033:0x7f72eeaab37d
[   12.953520][  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
[   12.953522][  T269] RSP: 002b:00007fff7590f158 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   12.953524][  T269] RAX: ffffffffffffffda RBX: 0000556bb3036810 RCX: 00007f72eeaab37d
[   12.953525][  T269] RDX: 0000000000000000 RSI: 0000556b7d3c4ffd RDI: 0000000000000000
[   12.953526][  T269] RBP: 00007fff7590f1f0 R08: 0000000000000000 R09: 0000000000000000
[   12.953527][  T269] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556b7d3c4ffd
[   12.953528][  T269] R13: 0000556bb3036970 R14: 0000000000040000 R15: 0000000000000000
| [   17.335663][  T398] softirqs last disabled at (39301): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   17.335666][  T398] Preemption disabled at:
| [   17.335667][  T398] vprintk_emit (kernel/printk/printk.c:2471)
| [   17.335676][  T398] Tainted: [W]=WARN
[   17.335677][  T398] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.335678][  T398] Call Trace:
[   17.335680][  T398]  <TASK>
[   17.335681][  T398]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   17.335687][  T398]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   17.335689][  T398]  __might_resched.cold (kernel/sched/core.c:9234)
[   17.335693][  T398]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   17.335697][  T398]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   17.335701][  T398]  __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))
[   17.335703][  T398]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.335710][  T398]  ? 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)
[   17.335713][  T398]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.335716][  T398]  put_chars (drivers/char/virtio_console.c:1176)
[   17.335719][  T398]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   17.335720][  T398]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   17.335724][  T398]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.335726][  T398]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   17.335731][  T398]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   17.335735][  T398]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.335740][  T398]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   17.335743][  T398]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.335747][  T398]  console_emit_next_record (kernel/printk/printk.c:3183)
[   17.335751][  T398]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   17.335753][  T398]  ? 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))
[   17.335756][  T398]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.335757][  T398]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.335761][  T398]  console_flush_one_record (kernel/printk/printk.c:3268)
[   17.335765][  T398]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   17.335767][  T398]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.335772][  T398]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   17.335775][  T398]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   17.335777][  T398]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.335778][  T398]  ? 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)
[   17.335782][  T398]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   17.335783][  T398]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   17.335786][  T398]  vprintk_emit (kernel/printk/printk.c:2479)
[   17.335789][  T398]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   17.335791][  T398]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   17.335795][  T398]  ? rtnl_link_register (net/core/rtnetlink.c:655)
[   17.335800][  T398]  ? gre_exit (net/ipv4/gre_demux.c:73) gre
[   17.335803][  T398]  _printk (kernel/printk/printk.c:2504)
[   17.335807][  T398]  ? snapshot_read.cold (user.c:?)
[   17.335812][  T398]  ? gre_exit (net/ipv4/gre_demux.c:73) gre
[   17.335814][  T398]  ? __mutex_unlock_slowpath (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:4480 kernel/locking/mutex.c:1021)
[   17.335816][  T398] can_dev_init (can-dev.mod.c:?) can_dev
[   17.335820][  T398]  do_one_initcall (init/main.c:1357)
[   17.335823][  T398]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   17.335828][  T398]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   17.335830][  T398]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   17.335835][  T398]  do_init_module (kernel/module/main.c:3117)
[   17.335838][  T398]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   17.335841][  T398]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   17.335843][  T398]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   17.335847][  T398]  load_module (kernel/module/main.c:3593)
[   17.335852][  T398]  ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11))
[   17.335857][  T398]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   17.335861][  T398]  ? backing_file_read_iter (fs/backing-file.c:211)
[   17.335865][  T398]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   17.335868][  T398]  init_module_from_file (kernel/module/main.c:3790)
[   17.335870][  T398]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   17.335878][  T398]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   17.335881][  T398]  ? 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)
[   17.335884][  T398]  idempotent_init_module (kernel/module/main.c:3802)
[   17.335887][  T398]  ? init_module_from_file (kernel/module/main.c:3791)
[   17.335892][  T398]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   17.335894][  T398]  ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769)
[   17.335900][  T398]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   17.335901][  T398]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   17.335905][  T398]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   17.335908][  T398]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   17.335910][  T398]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.335912][  T398] RIP: 0033:0x7f9553c2137d
[   17.335915][  T398] 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
[   17.335917][  T398] RSP: 002b:00007fff40f3e3c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   17.335920][  T398] RAX: ffffffffffffffda RBX: 00005611110bfa50 RCX: 00007f9553c2137d
[   17.335921][  T398] RDX: 0000000000000000 RSI: 00005610e109cffd RDI: 0000000000000000
[   17.335922][  T398] RBP: 00007fff40f3e460 R08: 0000000000000000 R09: 0000000000000000
[   17.335922][  T398] R10: 0000000000000000 R11: 0000000000000246 R12: 00005610e109cffd


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