======================================
| [   17.726120][  T360] softirqs last disabled at (0): 0x0
| [   17.726122][  T360] Preemption disabled at:
| [   17.726123][  T360] vprintk_emit (kernel/printk/printk.c:2471)
| [   17.726134][  T360] Tainted: [W]=WARN
[   17.726135][  T360] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   17.726136][  T360] Call Trace:
[   17.726138][  T360]  <TASK>
[   17.726139][  T360]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   17.726144][  T360]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   17.726146][  T360]  __might_resched.cold (kernel/sched/core.c:9234)
[   17.726149][  T360]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   17.726153][  T360]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.726156][  T360]  __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))
[   17.726159][  T360]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   17.726162][  T360]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.726167][  T360]  ? 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)
[   17.726168][  T360]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.726171][  T360]  put_chars (drivers/char/virtio_console.c:1176)
[   17.726173][  T360]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   17.726175][  T360]  ? desc_read (kernel/printk/printk_ringbuffer.c:500)
[   17.726178][  T360]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   17.726180][  T360]  ? desc_read (./include/linux/instrumented.h:97 ./include/linux/atomic/atomic-instrumented.h:3223 kernel/printk/printk_ringbuffer.c:552)
[   17.726182][  T360]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   17.726185][  T360]  ? _prb_read_valid (kernel/printk/printk_ringbuffer.c:2206)
[   17.726187][  T360]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   17.726194][  T360]  ? 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)
[   17.726196][  T360]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   17.726199][  T360]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   17.726200][  T360]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.726202][  T360]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.726204][  T360]  console_emit_next_record (kernel/printk/printk.c:3183)
[   17.726207][  T360]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   17.726208][  T360]  ? _prb_read_valid (kernel/printk/printk_ringbuffer.c:1996)
[   17.726210][  T360]  ? __asan_memmove (mm/kasan/shadow.c:95 (discriminator 1))
[   17.726211][  T360]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.726213][  T360]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.726214][  T360]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.726216][  T360]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.726218][  T360]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   17.726219][  T360]  console_flush_one_record (kernel/printk/printk.c:3268)
[   17.726221][  T360]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   17.726224][  T360]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   17.726226][  T360]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.726227][  T360]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   17.726229][  T360]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.726230][  T360]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   17.726232][  T360]  ? 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))
[   17.726233][  T360]  ? sync_exp_reset_tree_hotplug (kernel/rcu/tree_exp.h:96)
[   17.726235][  T360]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   17.726237][  T360]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   17.726239][  T360]  vprintk_emit (kernel/printk/printk.c:2479)
[   17.726241][  T360]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   17.726244][  T360]  ? vlan_netlink_fini (./include/linux/rcupdate.h:850 (discriminator 7) ./include/net/netns/generic.h:45 (discriminator 7)) 8021q
[   17.726247][  T360]  _printk (kernel/printk/printk.c:2504)
[   17.726250][  T360]  ? snapshot_read.cold (user.c:?)
[   17.726252][  T360]  ? 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)
[   17.726255][  T360] vlan_proto_init (./include/linux/rcupdate.h:309 (discriminator 2) ./include/linux/rcupdate.h:849 (discriminator 2) ./include/net/netns/generic.h:45 (discriminator 2)) 8021q
[   17.726258][  T360]  do_one_initcall (init/main.c:1357)
[   17.726259][  T360]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   17.726262][  T360]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   17.726265][  T360]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   17.726267][  T360]  do_init_module (kernel/module/main.c:3117)
[   17.726269][  T360]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   17.726271][  T360]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   17.726273][  T360]  load_module (kernel/module/main.c:3593)
[   17.726276][  T360]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   17.726279][  T360]  ? __ia32_sys_fsconfig (??:?)
[   17.726282][  T360]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   17.726285][  T360]  ? backing_file_read_iter (fs/backing-file.c:211)
[   17.726288][  T360]  init_module_from_file (kernel/module/main.c:3790)
[   17.726290][  T360]  ? __ia32_sys_init_module (kernel/module/main.c:3647)
[   17.726292][  T360]  ? ovl_mmap (fs/overlayfs/file.c:477)
[   17.726294][  T360]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   17.726296][  T360]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.726298][  T360]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   17.726299][  T360]  ? 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)
[   17.726301][  T360]  idempotent_init_module (kernel/module/main.c:3802)
[   17.726303][  T360]  ? init_module_from_file (kernel/module/main.c:3791)
[   17.726306][  T360]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.726307][  T360]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   17.726311][  T360]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   17.726313][  T360]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   17.726316][  T360]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   17.726319][  T360]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   17.726322][  T360]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.726324][  T360] RIP: 0033:0x7f2118dc137d
[   17.726326][  T360] 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
[   17.726328][  T360] RSP: 002b:00007fffd8a32c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   17.726331][  T360] RAX: ffffffffffffffda RBX: 0000564a8a1f9810 RCX: 00007f2118dc137d
[   17.726333][  T360] RDX: 0000000000000000 RSI: 0000564a87929ffd RDI: 0000000000000000
[   17.726333][  T360] RBP: 00007fffd8a32d00 R08: 0000000000000000 R09: 0000000000000000
[   17.726334][  T360] R10: 0000000000000000 R11: 0000000000000246 R12: 0000564a87929ffd


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