======================================
| [   15.278342][  T355] softirqs last disabled at (0): 0x0
| [   15.278344][  T355] Preemption disabled at:
| [   15.278344][  T355] vprintk_emit (kernel/printk/printk.c:2471)
| [   15.278355][  T355] Tainted: [B]=BAD_PAGE, [W]=WARN
[   15.278356][  T355] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   15.278358][  T355] Call Trace:
[   15.278359][  T355]  <TASK>
[   15.278360][  T355]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   15.278365][  T355]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   15.278367][  T355]  __might_resched.cold (kernel/sched/core.c:9234)
[   15.278371][  T355]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   15.278374][  T355]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.278378][  T355]  __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))
[   15.278381][  T355]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   15.278384][  T355]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.278388][  T355]  ? 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)
[   15.278390][  T355]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.278392][  T355]  put_chars (drivers/char/virtio_console.c:1176)
[   15.278395][  T355]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   15.278397][  T355]  ? desc_read (kernel/printk/printk_ringbuffer.c:500)
[   15.278399][  T355]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   15.278401][  T355]  ? desc_read (./include/linux/instrumented.h:97 ./include/linux/atomic/atomic-instrumented.h:3223 kernel/printk/printk_ringbuffer.c:552)
[   15.278403][  T355]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   15.278406][  T355]  ? _prb_read_valid (kernel/printk/printk_ringbuffer.c:2206)
[   15.278408][  T355]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   15.278410][  T355]  ? 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)
[   15.278411][  T355]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   15.278414][  T355]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   15.278416][  T355]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.278417][  T355]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.278419][  T355]  console_emit_next_record (kernel/printk/printk.c:3183)
[   15.278422][  T355]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   15.278423][  T355]  ? _prb_read_valid (kernel/printk/printk_ringbuffer.c:1996)
[   15.278425][  T355]  ? __asan_memmove (mm/kasan/shadow.c:95 (discriminator 1))
[   15.278426][  T355]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.278427][  T355]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.278429][  T355]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.278430][  T355]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.278432][  T355]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   15.278434][  T355]  console_flush_one_record (kernel/printk/printk.c:3268)
[   15.278436][  T355]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   15.278438][  T355]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   15.278440][  T355]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.278441][  T355]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   15.278443][  T355]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.278444][  T355]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   15.278445][  T355]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 18) ./include/trace/events/lock.h:23 (discriminator 18) kernel/locking/lockdep.c:5871 (discriminator 18))
[   15.278447][  T355]  ? sync_exp_reset_tree_hotplug (kernel/rcu/tree_exp.h:96)
[   15.278449][  T355]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   15.278451][  T355]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   15.278452][  T355]  vprintk_emit (kernel/printk/printk.c:2479)
[   15.278455][  T355]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   15.278457][  T355]  ? macsec_exit (drivers/net/macsec.c:388) macsec
[   15.278459][  T355]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4989 (discriminator 2))
[   15.278461][  T355]  ? macsec_exit (drivers/net/macsec.c:388) macsec
[   15.278463][  T355]  _printk (kernel/printk/printk.c:2504)
[   15.278466][  T355]  ? snapshot_read.cold (user.c:?)
[   15.278468][  T355]  ? alloc_workqueue_lockdep_map (kernel/workqueue.c:6092)
[   15.278472][  T355] macsec_init (drivers/net/macsec.c:358 (discriminator 1)) macsec
[   15.278474][  T355]  do_one_initcall (init/main.c:1357)
[   15.278477][  T355]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   15.278479][  T355]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   15.278482][  T355]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   15.278484][  T355]  do_init_module (kernel/module/main.c:3117)
[   15.278486][  T355]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   15.278488][  T355]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   15.278490][  T355]  load_module (kernel/module/main.c:3593)
[   15.278493][  T355]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   15.278496][  T355]  ? backing_file_read_iter (fs/backing-file.c:211)
[   15.278499][  T355]  init_module_from_file (kernel/module/main.c:3790)
[   15.278501][  T355]  ? __ia32_sys_init_module (kernel/module/main.c:3647)
[   15.278503][  T355]  ? ovl_mmap (fs/overlayfs/file.c:477)
[   15.278506][  T355]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   15.278508][  T355]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.278510][  T355]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   15.278511][  T355]  ? 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)
[   15.278513][  T355]  idempotent_init_module (kernel/module/main.c:3802)
[   15.278515][  T355]  ? init_module_from_file (kernel/module/main.c:3791)
[   15.278518][  T355]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.278519][  T355]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   15.278523][  T355]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   15.278525][  T355]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.278528][  T355]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   15.278531][  T355]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   15.278533][  T355]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.278535][  T355] RIP: 0033:0x7f4023af337d
[   15.278537][  T355] 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
[   15.278539][  T355] RSP: 002b:00007ffec5052858 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   15.278543][  T355] RAX: ffffffffffffffda RBX: 0000556b8c3d6810 RCX: 00007f4023af337d
[   15.278544][  T355] RDX: 0000000000000000 RSI: 0000556b5d542ffd RDI: 0000000000000000
[   15.278545][  T355] RBP: 00007ffec50528f0 R08: 0000000000000000 R09: 0000000000000000
[   15.278545][  T355] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556b5d542ffd


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