======================================
| [ 35.146963][ C3] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) 
| [   35.147149][    C3]
| [   35.147226][    C3]
| [   35.147226][    C3] stack backtrace:
[   35.147729][    C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   35.148061][    C3] Call Trace:
[   35.148178][    C3]  <IRQ>
[ 35.148256][ C3] dump_stack_lvl (lib/dump_stack.c:117) 
[ 35.148408][ C3] print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4024) 
[ 35.148599][ C3] ? __pfx_print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4024) 
[ 35.148787][ C3] ? __pfx_usage_skip (kernel/locking/lockdep.c:2264) 
[ 35.148937][ C3] ? __pfx_usage_match (kernel/locking/lockdep.c:2256) 
[ 35.149182][ C3] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 35.149333][ C3] mark_lock_irq (kernel/locking/lockdep.c:4244) 
[ 35.149485][ C3] ? __pfx_mark_lock_irq (kernel/locking/lockdep.c:4207) 
[ 35.149639][ C3] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 35.149886][ C3] ? save_trace (kernel/locking/lockdep.c:586) 
[ 35.150042][ C3] mark_lock (kernel/locking/lockdep.c:4678) 
[ 35.150164][ C3] mark_usage (kernel/locking/lockdep.c:4567) 
[ 35.150278][ C3] __lock_acquire (kernel/locking/lockdep.c:5091) 
[ 35.150431][ C3] lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) 
[ 35.150675][ C3] ? ipv6_get_lladdr (net/ipv6/addrconf.c:1911 net/ipv6/addrconf.c:1934) 
[ 35.150825][ C3] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) 
[ 35.150978][ C3] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) 
[ 35.151128][ C3] ? ipv6_get_lladdr (net/ipv6/addrconf.c:1911 net/ipv6/addrconf.c:1934) 
[ 35.151380][ C3] ? lock_acquire (kernel/locking/lockdep.c:5727) 
[ 35.151533][ C3] ? ipv6_get_lladdr (net/ipv6/addrconf.c:1911 net/ipv6/addrconf.c:1934) 
[ 35.151683][ C3] _raw_read_lock_bh (./include/linux/rwlock_api_smp.h:177 kernel/locking/spinlock.c:252) 
[ 35.151833][ C3] ? ipv6_get_lladdr (net/ipv6/addrconf.c:1911 net/ipv6/addrconf.c:1934) 
[ 35.152076][ C3] ipv6_get_lladdr (net/ipv6/addrconf.c:1911 net/ipv6/addrconf.c:1934) 
[ 35.152226][ C3] ? 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) 
[ 35.152375][ C3] ndisc_send_ns (net/ipv6/ndisc.c:658) 
[ 35.152524][ C3] ? mark_held_locks (kernel/locking/lockdep.c:4274) 
[ 35.152767][ C3] ? __pfx_ndisc_send_ns (net/ipv6/ndisc.c:653) 
[ 35.152927][ C3] ? find_held_lock (kernel/locking/lockdep.c:5244) 
[ 35.153080][ C3] ? __lock_release (kernel/locking/lockdep.c:5430) 
[ 35.153233][ C3] ndisc_solicit (net/ipv6/ndisc.c:754 (discriminator 2)) 
[ 35.153383][ C3] ? __pfx_ndisc_solicit (net/ipv6/ndisc.c:736) 
[ 35.153723][ C3] ? do_raw_write_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/qrwlock.h:98 kernel/locking/spinlock_debug.c:211) 
[ 35.153877][ C3] ? neigh_probe (net/core/neighbour.c:1074) 
[ 35.154028][ C3] neigh_probe (net/core/neighbour.c:1075) 
[ 35.154142][ C3] neigh_timer_handler (net/core/neighbour.c:1163) 
[ 35.154295][ C3] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1783) 
[ 35.154454][ C3] ? __pfx_neigh_timer_handler (net/core/neighbour.c:1083) 
[ 35.154620][ C3] call_timer_fn (kernel/time/timer.c:1793) 
[ 35.154770][ C3] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1783) 
[ 35.155012][ C3] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1783) 
[ 35.155162][ C3] ? __pfx_call_timer_fn (kernel/time/timer.c:1770) 
[ 35.155312][ C3] ? 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) 
[ 35.155463][ C3] ? mark_held_locks (kernel/locking/lockdep.c:4274) 
[ 35.155614][ C3] __run_timers (kernel/time/timer.c:1845 kernel/time/timer.c:2418) 
[ 35.155867][ C3] ? __pfx_neigh_timer_handler (net/core/neighbour.c:1083) 
[ 35.156020][ C3] ? __pfx___run_timers (kernel/time/timer.c:2389) 
[ 35.156173][ C3] ? 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) 
[ 35.156323][ C3] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 35.156567][ C3] ? lock_acquire (kernel/locking/lockdep.c:5727) 
[ 35.156716][ C3] ? run_timer_softirq (kernel/time/timer.c:2429 kernel/time/timer.c:2422 kernel/time/timer.c:2438 kernel/time/timer.c:2448) 
[ 35.156866][ C3] run_timer_softirq (kernel/time/timer.c:2430 kernel/time/timer.c:2422 kernel/time/timer.c:2438 kernel/time/timer.c:2448) 
[ 35.157015][ C3] __do_softirq (kernel/softirq.c:554) 
[ 35.157259][ C3] irq_exit_rcu (kernel/softirq.c:428 kernel/softirq.c:633 kernel/softirq.c:645) 
[ 35.157373][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[   35.157529][    C3]  </IRQ>
[   35.157608][    C3]  <TASK>
[ 35.157684][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 35.157963][ C3] RIP: 0010:xas_move_index (lib/xarray.c:158) 
[ 35.158120][ C3] Code: 0f 85 94 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8b 63 18 4c 89 e2 48 c1 ea 03 0f b6 04 02 84 c0 74 02 7e 6b 41 0f b6 0c 24 <48> c7 c0 c0 ff ff ff 48 d3 e0 80 f9 3f 0f 87 c7 d2 0b 00 48 ba 00
All code
========
   0:	0f 85 94 00 00 00    	jne    0x9a
   6:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   d:	fc ff df 
  10:	4c 8b 63 18          	mov    0x18(%rbx),%r12
  14:	4c 89 e2             	mov    %r12,%rdx
  17:	48 c1 ea 03          	shr    $0x3,%rdx
  1b:	0f b6 04 02          	movzbl (%rdx,%rax,1),%eax
  1f:	84 c0                	test   %al,%al
  21:	74 02                	je     0x25
  23:	7e 6b                	jle    0x90
  25:	41 0f b6 0c 24       	movzbl (%r12),%ecx
  2a:*	48 c7 c0 c0 ff ff ff 	mov    $0xffffffffffffffc0,%rax		<-- trapping instruction
  31:	48 d3 e0             	shl    %cl,%rax
  34:	80 f9 3f             	cmp    $0x3f,%cl
  37:	0f 87 c7 d2 0b 00    	ja     0xbd304
  3d:	48                   	rex.W
  3e:	ba                   	.byte 0xba
	...

Code starting with the faulting instruction
===========================================
   0:	48 c7 c0 c0 ff ff ff 	mov    $0xffffffffffffffc0,%rax
   7:	48 d3 e0             	shl    %cl,%rax
   a:	80 f9 3f             	cmp    $0x3f,%cl
   d:	0f 87 c7 d2 0b 00    	ja     0xbd2da
  13:	48                   	rex.W
  14:	ba                   	.byte 0xba
	...
[   35.158752][    C3] RSP: 0018:ffffc9000065f658 EFLAGS: 00000246
[   35.158948][    C3] RAX: 0000000000000000 RBX: ffffc9000065f770 RCX: 0000000000000006
[   35.159173][    C3] RDX: 1ffff110002e910f RSI: 0000000000000040 RDI: ffffc9000065f788
[   35.159397][    C3] RBP: 0000000000000040 R08: 0000000000000001 R09: ffff888006170a98
[   35.159625][    C3] R10: 1ffff920000cbe9b R11: 0000000000000000 R12: ffff888001748878
[   35.159851][    C3] R13: 0000000000000040 R14: ffff888001748aa8 R15: dffffc0000000000
[ 35.160178][ C3] xas_find_marked (lib/xarray.c:1359) 
[ 35.160330][ C3] filemap_get_folios_tag (mm/filemap.c:1968 mm/filemap.c:2218) 
[ 35.160479][ C3] ? 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) 
[ 35.160629][ C3] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) 
[ 35.160874][ C3] ? __pfx_filemap_get_folios_tag (mm/filemap.c:2213) 
[ 35.161061][ C3] ? 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) 
[ 35.161220][ C3] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) 
[ 35.161335][ C3] __filemap_fdatawait_range (mm/filemap.c:523) 
[ 35.161577][ C3] ? __pfx___filemap_fdatawait_range (mm/filemap.c:512) 
[ 35.161777][ C3] ? down_read_interruptible (kernel/locking/rwsem.c:1249 kernel/locking/rwsem.c:1268 kernel/locking/rwsem.c:1537) 
[ 35.161928][ C3] ? netfs_start_io_direct (fs/netfs/locking.c:185) 
[ 35.162078][ C3] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 35.162229][ C3] filemap_write_and_wait_range.part.0 (mm/filemap.c:696) 
[ 35.162415][ C3] netfs_unbuffered_read_iter_locked (fs/netfs/direct_read.c:41) 
[ 35.162609][ C3] netfs_unbuffered_read_iter (fs/netfs/direct_read.c:121) 
[ 35.162761][ C3] do_iter_readv_writev (./include/linux/fs.h:2102 fs/read_write.c:739) 
[ 35.163004][ C3] ? __pfx_do_iter_readv_writev (fs/read_write.c:728) 
[ 35.163154][ C3] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 35.163305][ C3] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) 
[ 35.163490][ C3] ? __pfx___lock_release (kernel/locking/lockdep.c:5406) 
[ 35.163736][ C3] vfs_iter_read (fs/read_write.c:830) 
[ 35.163898][ C3] backing_file_read_iter (fs/backing-file.c:160) 
[ 35.164049][ C3] ovl_read_iter (./include/linux/file.h:47 fs/overlayfs/file.c:283) 
[ 35.164199][ C3] ? __pfx_ovl_read_iter (fs/overlayfs/file.c:264) 
[ 35.164349][ C3] ? __pfx___debug_check_no_obj_freed (lib/debugobjects.c:960) 
[ 35.164544][ C3] ? __pfx_ovl_file_accessed (fs/overlayfs/file.c:236) 
[ 35.164696][ C3] vfs_read (./include/linux/fs.h:2102 fs/read_write.c:395 fs/read_write.c:476) 
[ 35.164810][ C3] ? kmem_cache_free (mm/slub.c:4280 mm/slub.c:4344) 
[ 35.164972][ C3] ? __pfx_vfs_read (fs/read_write.c:457) 
[ 35.165312][ C3] ? __pfx_do_sys_openat2 (fs/open.c:1392) 
[ 35.165463][ C3] ? __virt_addr_valid (./arch/x86/include/asm/preempt.h:94 ./include/linux/rcupdate.h:896 ./include/linux/mmzone.h:2029 arch/x86/mm/physaddr.c:65) 
[ 35.165616][ C3] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 35.165767][ C3] ksys_read (fs/read_write.c:619) 
[ 35.165975][ C3] ? __pfx_ksys_read (fs/read_write.c:609) 
[ 35.166129][ C3] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 35.166279][ C3] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) 
[   35.166477][    C3] RIP: 0033:0x7f6eeb3c4138
[ 35.166729][ C3] Code: c0 48 8d 44 24 d0 48 89 44 24 c8 eb bb 0f 1f 44 00 00 f7 d8 89 05 b8 f0 00 00 b8 ff ff ff ff c3 66 90 f3 0f 1e fa 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 08 c3 0f 1f 80 00 00 00 00 f7 d8 89 05 90 f0
All code
========
   0:	c0 48 8d 44          	rorb   $0x44,-0x73(%rax)
   4:	24 d0                	and    $0xd0,%al
   6:	48 89 44 24 c8       	mov    %rax,-0x38(%rsp)
   b:	eb bb                	jmp    0xffffffffffffffc8
   d:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  12:	f7 d8                	neg    %eax
  14:	89 05 b8 f0 00 00    	mov    %eax,0xf0b8(%rip)        # 0xf0d2
  1a:	b8 ff ff ff ff       	mov    $0xffffffff,%eax
  1f:	c3                   	ret
  20:	66 90                	xchg   %ax,%ax
  22:	f3 0f 1e fa          	endbr64
  26:	31 c0                	xor    %eax,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 08                	ja     0x3a
  32:	c3                   	ret
  33:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  3a:	f7 d8                	neg    %eax
  3c:	89                   	.byte 0x89
  3d:	05                   	.byte 0x5
  3e:	90                   	nop
  3f:	f0                   	lock

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 08                	ja     0x10
   8:	c3                   	ret
   9:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  10:	f7 d8                	neg    %eax
  12:	89                   	.byte 0x89
  13:	05                   	.byte 0x5
  14:	90                   	nop
  15:	f0                   	lock
[   35.167271][    C3] RSP: 002b:00007fff252d4a48 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[   35.167498][    C3] RAX: ffffffffffffffda RBX: 00007fff252d4ccf RCX: 00007f6eeb3c4138
[   35.167721][    C3] RDX: 0000000000000340 RSI: 00007fff252d4ce8 RDI: 0000000000000005
[   35.167952][    C3] RBP: 00007fff252d4ab0 R08: 0000000000080000 R09: 00007fff252d4ac0
[   35.168273][    C3] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000340


Finger prints:
dump_stack_lvl:mark_lock_irq:mark_lock:mark_usage