======================================
| [ 31.587541][ C2] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) 
| [   31.587748][    C2]
| [   31.587947][    C2]
| [   31.587947][    C2] stack backtrace:
[   31.588435][    C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   31.588887][    C2] Call Trace:
[   31.589016][    C2]  <IRQ>
[ 31.589097][ C2] dump_stack_lvl (lib/dump_stack.c:117) 
[ 31.589256][ C2] print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4024) 
[ 31.589551][ C2] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 31.589711][ C2] ? __pfx_print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4024) 
[ 31.589916][ C2] ? __pfx_usage_skip (kernel/locking/lockdep.c:2264) 
[ 31.590108][ C2] ? __pfx_usage_match (kernel/locking/lockdep.c:2256) 
[ 31.590393][ C2] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 31.590564][ C2] mark_lock_irq (kernel/locking/lockdep.c:4244) 
[ 31.590720][ C2] ? __pfx_mark_lock_irq (kernel/locking/lockdep.c:4207) 
[ 31.590878][ C2] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 31.591038][ C2] ? save_trace (kernel/locking/lockdep.c:586) 
[ 31.591293][ C2] mark_lock (kernel/locking/lockdep.c:4678) 
[ 31.591410][ C2] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 31.591567][ C2] mark_usage (kernel/locking/lockdep.c:4567) 
[ 31.591689][ C2] __lock_acquire (kernel/locking/lockdep.c:5091) 
[ 31.591947][ C2] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) 
[ 31.592111][ C2] ? __pfx_addrconf_rs_timer (net/ipv6/addrconf.c:4016) 
[ 31.592267][ C2] lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) 
[ 31.592421][ C2] ? addrconf_rs_timer (net/ipv6/addrconf.c:4023) 
[ 31.592578][ C2] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) 
[ 31.592833][ C2] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) 
[ 31.592996][ C2] ? addrconf_rs_timer (net/ipv6/addrconf.c:4023) 
[ 31.593159][ C2] ? lock_acquire (kernel/locking/lockdep.c:5727) 
[ 31.593322][ C2] ? addrconf_rs_timer (net/ipv6/addrconf.c:4023) 
[ 31.593576][ C2] _raw_write_lock (./include/linux/rwlock_api_smp.h:210 kernel/locking/spinlock.c:300) 
[ 31.593731][ C2] ? addrconf_rs_timer (net/ipv6/addrconf.c:4023) 
[ 31.593885][ C2] addrconf_rs_timer (net/ipv6/addrconf.c:4023) 
[ 31.594039][ C2] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) 
[ 31.594297][ C2] ? __pfx_addrconf_rs_timer (net/ipv6/addrconf.c:4016) 
[ 31.594453][ C2] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1783) 
[ 31.594616][ C2] ? lock_acquire (kernel/locking/lockdep.c:5727) 
[ 31.594772][ C2] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1783) 
[ 31.594929][ C2] ? __pfx_addrconf_rs_timer (net/ipv6/addrconf.c:4016) 
[ 31.595081][ C2] call_timer_fn (kernel/time/timer.c:1793) 
[ 31.595235][ C2] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1783) 
[ 31.595388][ C2] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1783) 
[ 31.595542][ C2] ? __pfx_call_timer_fn (kernel/time/timer.c:1770) 
[ 31.595895][ C2] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228) 
[ 31.596052][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) 
[ 31.596209][ C2] __run_timers (kernel/time/timer.c:1845 kernel/time/timer.c:2418) 
[ 31.596365][ C2] ? __pfx_addrconf_rs_timer (net/ipv6/addrconf.c:4016) 
[ 31.596635][ C2] ? __pfx___run_timers (kernel/time/timer.c:2389) 
[ 31.596791][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) 
[ 31.596962][ C2] ? do_raw_spin_lock (./arch/x86/include/asm/atomic.h:115 ./include/linux/atomic/atomic-arch-fallback.h:2170 ./include/linux/atomic/atomic-instrumented.h:1302 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116) 
[ 31.597116][ C2] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 31.597393][ C2] ? lock_acquire (kernel/locking/lockdep.c:5727) 
[ 31.597571][ C2] ? timer_expire_remote (kernel/time/timer.c:2429 kernel/time/timer.c:2422 kernel/time/timer.c:2181) 
[ 31.597744][ C2] timer_expire_remote (kernel/time/timer.c:2430 kernel/time/timer.c:2422 kernel/time/timer.c:2181) 
[ 31.597934][ C2] tmigr_handle_remote_cpu (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:67 ./arch/x86/include/asm/irqflags.h:127 kernel/time/timer_migration.c:925) 
[ 31.598090][ C2] ? __pfx_tmigr_handle_remote_cpu (kernel/time/timer_migration.c:869) 
[ 31.598281][ C2] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228) 
[ 31.598435][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) 
[ 31.598560][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) 
[ 31.598717][ C2] tmigr_handle_remote_up (kernel/time/timer_migration.c:1003) 
[ 31.598993][ C2] tmigr_handle_remote (kernel/time/timer_migration.c:488 kernel/time/timer_migration.c:1061) 
[ 31.599178][ C2] ? __pfx_tmigr_handle_remote (kernel/time/timer_migration.c:1026) 
[ 31.599333][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) 
[ 31.599520][ C2] __do_softirq (kernel/softirq.c:554) 
[ 31.599778][ C2] irq_exit_rcu (kernel/softirq.c:428 kernel/softirq.c:633 kernel/softirq.c:645) 
[ 31.599897][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[   31.600055][    C2]  </IRQ>
[   31.600139][    C2]  <TASK>
[ 31.600219][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 31.600537][ C2] RIP: 0010:kasan_report (./arch/x86/include/asm/current.h:49 mm/kasan/report.c:93 mm/kasan/report.c:585) 
[ 31.600715][ C2] Code: 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 41 57 41 56 41 55 41 54 55 53 48 83 ec 70 9c 8f 04 24 0f 01 ca <65> 4c 8b 3d cf 7b 6b 6f 41 8b 87 a8 14 00 00 85 c0 0f 85 b7 00 00
All code
========
   0:	00 90 90 90 90 90    	add    %dl,-0x6f6f6f70(%rax)
   6:	90                   	nop
   7:	90                   	nop
   8:	90                   	nop
   9:	90                   	nop
   a:	90                   	nop
   b:	90                   	nop
   c:	90                   	nop
   d:	90                   	nop
   e:	90                   	nop
   f:	90                   	nop
  10:	90                   	nop
  11:	66 0f 1f 00          	nopw   (%rax)
  15:	41 57                	push   %r15
  17:	41 56                	push   %r14
  19:	41 55                	push   %r13
  1b:	41 54                	push   %r12
  1d:	55                   	push   %rbp
  1e:	53                   	push   %rbx
  1f:	48 83 ec 70          	sub    $0x70,%rsp
  23:	9c                   	pushf
  24:	8f 04 24             	pop    (%rsp)
  27:	0f 01 ca             	clac
  2a:*	65 4c 8b 3d cf 7b 6b 	mov    %gs:0x6f6b7bcf(%rip),%r15        # 0x6f6b7c01		<-- trapping instruction
  31:	6f 
  32:	41 8b 87 a8 14 00 00 	mov    0x14a8(%r15),%eax
  39:	85 c0                	test   %eax,%eax
  3b:	0f                   	.byte 0xf
  3c:	85                   	.byte 0x85
  3d:	b7 00                	mov    $0x0,%bh
	...

Code starting with the faulting instruction
===========================================
   0:	65 4c 8b 3d cf 7b 6b 	mov    %gs:0x6f6b7bcf(%rip),%r15        # 0x6f6b7bd7
   7:	6f 
   8:	41 8b 87 a8 14 00 00 	mov    0x14a8(%r15),%eax
   f:	85 c0                	test   %eax,%eax
  11:	0f                   	.byte 0xf
  12:	85                   	.byte 0x85
  13:	b7 00                	mov    $0x0,%bh
	...
[   31.601429][    C2] RSP: 0018:ffffc90000d6f7c8 EFLAGS: 00000282
[   31.601668][    C2] RAX: ffff888007d40000 RBX: ffff888007d3eca0 RCX: ffffffff928ae764
[   31.601916][    C2] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff888007d3eca0
[   31.602149][    C2] RBP: 0000000000002000 R08: 0000000000000001 R09: fffffbfff2b698a9
[   31.602407][    C2] R10: ffffffff95b4c54f R11: 0000000000002000 R12: 5a5a5a5a5a5a5a5a
[   31.602659][    C2] R13: 000000000000005a R14: dffffc0000000000 R15: ffff888007d3e000
[ 31.603027][ C2] ? memchr_inv (lib/string.c:856) 
[ 31.603187][ C2] ? __pfx___lock_release (kernel/locking/lockdep.c:5406) 
[ 31.603347][ C2] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228) 
[ 31.603533][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) 
[ 31.603750][ C2] memchr_inv (lib/string.c:856) 
[ 31.603868][ C2] slab_pad_check.part.0 (mm/slub.c:1281) 
[ 31.604042][ C2] free_slab (mm/slub.c:242 mm/slub.c:2423) 
[ 31.604162][ C2] qlist_free_all (mm/kasan/quarantine.c:174) 
[ 31.604318][ C2] ? netfs_alloc_request (./include/linux/slab.h:632 (discriminator 4) ./include/linux/slab.h:749 (discriminator 4) fs/netfs/objects.c:29 (discriminator 4)) 
[ 31.604573][ C2] kasan_quarantine_reduce (./include/linux/srcu.h:285 mm/kasan/quarantine.c:287) 
[ 31.604730][ C2] __kasan_slab_alloc (mm/kasan/common.c:322) 
[ 31.604885][ C2] __kmalloc (mm/slub.c:3799 mm/slub.c:3845 mm/slub.c:3965 mm/slub.c:3979) 
[ 31.605019][ C2] ? down_read_interruptible (kernel/locking/rwsem.c:1249 kernel/locking/rwsem.c:1268 kernel/locking/rwsem.c:1537) 
[ 31.605283][ C2] netfs_alloc_request (./include/linux/slab.h:632 (discriminator 4) ./include/linux/slab.h:749 (discriminator 4) fs/netfs/objects.c:29 (discriminator 4)) 
[ 31.605459][ C2] netfs_unbuffered_read_iter_locked (fs/netfs/direct_read.c:46) 
[ 31.605666][ C2] netfs_unbuffered_read_iter (fs/netfs/direct_read.c:121) 
[ 31.605822][ C2] do_iter_readv_writev (./include/linux/fs.h:2102 fs/read_write.c:739) 
[ 31.605999][ C2] ? __pfx_do_iter_readv_writev (fs/read_write.c:728) 
[ 31.606176][ C2] ? __pfx___lock_release (kernel/locking/lockdep.c:5406) 
[ 31.606332][ C2] vfs_iter_read (fs/read_write.c:830) 
[ 31.606541][ C2] backing_file_read_iter (fs/backing-file.c:160) 
[ 31.606701][ C2] ovl_read_iter (./include/linux/file.h:47 fs/overlayfs/file.c:283) 
[ 31.606978][ C2] ? __pfx_ovl_read_iter (fs/overlayfs/file.c:264) 
[ 31.607136][ C2] ? __pfx_ovl_file_accessed (fs/overlayfs/file.c:236) 
[ 31.607309][ C2] vfs_read (./include/linux/fs.h:2102 fs/read_write.c:395 fs/read_write.c:476) 
[ 31.607426][ C2] ? kmem_cache_free (mm/slub.c:4280 mm/slub.c:4344) 
[ 31.607712][ C2] ? __pfx_vfs_read (fs/read_write.c:457) 
[ 31.607868][ C2] ? __pfx_do_sys_openat2 (fs/open.c:1392) 
[ 31.608029][ C2] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 31.608185][ C2] __x64_sys_pread64 (fs/read_write.c:671 fs/read_write.c:681 fs/read_write.c:678 fs/read_write.c:678) 
[ 31.608540][ C2] ? __pfx___x64_sys_pread64 (fs/read_write.c:678) 
[ 31.608697][ C2] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 31.608877][ C2] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) 
[   31.609081][    C2] RIP: 0033:0x7fd230cac16e
[ 31.609369][ C2] Code: 00 00 00 00 f7 d8 89 05 90 f0 00 00 48 c7 c0 ff ff ff ff c3 0f 1f 84 00 00 00 00 00 f3 0f 1e fa 49 89 ca b8 11 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 0a c3 66 0f 1f 84 00 00 00 00 00 f7 d8 89 05
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	00 00                	add    %al,(%rax)
   4:	f7 d8                	neg    %eax
   6:	89 05 90 f0 00 00    	mov    %eax,0xf090(%rip)        # 0xf09c
   c:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	0f 1f 84 00 00 00 00 	nopl   0x0(%rax,%rax,1)
  1b:	00 
  1c:	f3 0f 1e fa          	endbr64
  20:	49 89 ca             	mov    %rcx,%r10
  23:	b8 11 00 00 00       	mov    $0x11,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 0a                	ja     0x3c
  32:	c3                   	ret
  33:	66 0f 1f 84 00 00 00 	nopw   0x0(%rax,%rax,1)
  3a:	00 00 
  3c:	f7 d8                	neg    %eax
  3e:	89                   	.byte 0x89
  3f:	05                   	.byte 0x5

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 0a                	ja     0x12
   8:	c3                   	ret
   9:	66 0f 1f 84 00 00 00 	nopw   0x0(%rax,%rax,1)
  10:	00 00 
  12:	f7 d8                	neg    %eax
  14:	89                   	.byte 0x89
  15:	05                   	.byte 0x5
[   31.609962][    C2] RSP: 002b:00007ffc7df47fd8 EFLAGS: 00000202 ORIG_RAX: 0000000000000011
[   31.610342][    C2] RAX: ffffffffffffffda RBX: 00007ffc7df481c8 RCX: 00007fd230cac16e
[   31.610588][    C2] RDX: 0000000000000050 RSI: 00007ffc7df47fe0 RDI: 0000000000000005
[   31.610827][    C2] RBP: 00007ffc7df483c0 R08: 00007ffc7df48040 R09: 0000000000000000
[   31.611208][    C2] R10: 0000000000000350 R11: 0000000000000202 R12: 00007ffc7df47fe0


Finger prints:
dump_stack_lvl:mark_lock_irq:mark_lock:mark_usage