======================================
| [ 177.121685][ C3] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) 
| [  177.121902][    C3]
| [  177.121990][    C3]
| [  177.121990][    C3] stack backtrace:
[  177.122594][    C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  177.122982][    C3] Call Trace:
[  177.123229][    C3]  <IRQ>
[ 177.123321][ C3] dump_stack_lvl (lib/dump_stack.c:117) 
[ 177.123499][ C3] print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4024) 
[ 177.123715][ C3] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 177.123894][ C3] ? __pfx_print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4024) 
[ 177.124213][ C3] ? __pfx_usage_skip (kernel/locking/lockdep.c:2264) 
[ 177.124384][ C3] ? __pfx_usage_match (kernel/locking/lockdep.c:2256) 
[ 177.124558][ C3] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 177.124734][ C3] mark_lock_irq (kernel/locking/lockdep.c:4244) 
[ 177.125017][ C3] ? __pfx_mark_lock_irq (kernel/locking/lockdep.c:4207) 
[ 177.125187][ C3] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 177.125362][ C3] ? save_trace (kernel/locking/lockdep.c:586) 
[ 177.125540][ C3] mark_lock (kernel/locking/lockdep.c:4678) 
[ 177.125678][ C3] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 177.125852][ C3] mark_usage (kernel/locking/lockdep.c:4567) 
[ 177.125986][ C3] __lock_acquire (kernel/locking/lockdep.c:5091) 
[ 177.126160][ C3] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) 
[ 177.126333][ C3] ? __pfx_addrconf_rs_timer (net/ipv6/addrconf.c:4016) 
[ 177.126606][ C3] lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) 
[ 177.126779][ C3] ? addrconf_rs_timer (net/ipv6/addrconf.c:4023) 
[ 177.126950][ C3] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) 
[ 177.127124][ C3] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) 
[ 177.127399][ C3] ? addrconf_rs_timer (net/ipv6/addrconf.c:4023) 
[ 177.127576][ C3] ? lock_acquire (kernel/locking/lockdep.c:5727) 
[ 177.127751][ C3] ? addrconf_rs_timer (net/ipv6/addrconf.c:4023) 
[ 177.127927][ C3] _raw_write_lock (./include/linux/rwlock_api_smp.h:210 kernel/locking/spinlock.c:300) 
[ 177.128213][ C3] ? addrconf_rs_timer (net/ipv6/addrconf.c:4023) 
[ 177.128382][ C3] addrconf_rs_timer (net/ipv6/addrconf.c:4023) 
[ 177.128553][ C3] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) 
[ 177.128725][ C3] ? __pfx_addrconf_rs_timer (net/ipv6/addrconf.c:4016) 
[ 177.128896][ C3] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1783) 
[ 177.129172][ C3] ? lock_acquire (kernel/locking/lockdep.c:5727) 
[ 177.129346][ C3] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1783) 
[ 177.129520][ C3] ? __pfx_addrconf_rs_timer (net/ipv6/addrconf.c:4016) 
[ 177.129689][ C3] call_timer_fn (kernel/time/timer.c:1793) 
[ 177.129965][ C3] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1783) 
[ 177.130136][ C3] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1783) 
[ 177.130306][ C3] ? __pfx_call_timer_fn (kernel/time/timer.c:1770) 
[ 177.130477][ 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) 
[ 177.130647][ C3] ? mark_held_locks (kernel/locking/lockdep.c:4274) 
[ 177.130820][ C3] __run_timers (kernel/time/timer.c:1845 kernel/time/timer.c:2418) 
[ 177.130993][ C3] ? __pfx_addrconf_rs_timer (net/ipv6/addrconf.c:4016) 
[ 177.131167][ C3] ? __pfx___run_timers (kernel/time/timer.c:2389) 
[ 177.131441][ 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) 
[ 177.131617][ C3] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 177.131789][ C3] ? lock_acquire (kernel/locking/lockdep.c:5727) 
[ 177.131961][ C3] ? run_timer_softirq (kernel/time/timer.c:2429 kernel/time/timer.c:2422 kernel/time/timer.c:2438 kernel/time/timer.c:2448) 
[ 177.132134][ C3] run_timer_softirq (kernel/time/timer.c:2430 kernel/time/timer.c:2422 kernel/time/timer.c:2438 kernel/time/timer.c:2448) 
[ 177.132406][ C3] __do_softirq (kernel/softirq.c:554) 
[ 177.132585][ C3] irq_exit_rcu (kernel/softirq.c:428 kernel/softirq.c:633 kernel/softirq.c:645) 
[ 177.132715][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[  177.132890][    C3]  </IRQ>
[  177.132981][    C3]  <TASK>
[ 177.133172][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 177.133385][ C3] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 177.133611][ C3] Code: 10 e8 81 21 79 fd 48 89 ef e8 b9 91 79 fd 81 e3 00 02 00 00 75 1d 9c 58 f6 c4 02 75 29 48 85 db 74 01 fb 65 ff 0d f5 7b cd 69 <74> 0e 5b 5d c3 cc cc cc cc e8 0f f0 9c fd eb dc 0f 1f 44 00 00 5b
All code
========
   0:	10 e8                	adc    %ch,%al
   2:	81 21 79 fd 48 89    	andl   $0x8948fd79,(%rcx)
   8:	ef                   	out    %eax,(%dx)
   9:	e8 b9 91 79 fd       	call   0xfffffffffd7991c7
   e:	81 e3 00 02 00 00    	and    $0x200,%ebx
  14:	75 1d                	jne    0x33
  16:	9c                   	pushf
  17:	58                   	pop    %rax
  18:	f6 c4 02             	test   $0x2,%ah
  1b:	75 29                	jne    0x46
  1d:	48 85 db             	test   %rbx,%rbx
  20:	74 01                	je     0x23
  22:	fb                   	sti
  23:	65 ff 0d f5 7b cd 69 	decl   %gs:0x69cd7bf5(%rip)        # 0x69cd7c1f
  2a:*	74 0e                	je     0x3a		<-- trapping instruction
  2c:	5b                   	pop    %rbx
  2d:	5d                   	pop    %rbp
  2e:	c3                   	ret
  2f:	cc                   	int3
  30:	cc                   	int3
  31:	cc                   	int3
  32:	cc                   	int3
  33:	e8 0f f0 9c fd       	call   0xfffffffffd9cf047
  38:	eb dc                	jmp    0x16
  3a:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  3f:	5b                   	pop    %rbx

Code starting with the faulting instruction
===========================================
   0:	74 0e                	je     0x10
   2:	5b                   	pop    %rbx
   3:	5d                   	pop    %rbp
   4:	c3                   	ret
   5:	cc                   	int3
   6:	cc                   	int3
   7:	cc                   	int3
   8:	cc                   	int3
   9:	e8 0f f0 9c fd       	call   0xfffffffffd9cf01d
   e:	eb dc                	jmp    0xffffffffffffffec
  10:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  15:	5b                   	pop    %rbx
[  177.134334][    C3] RSP: 0018:ffffc9000057f1c0 EFLAGS: 00000282
[  177.134554][    C3] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff32c7a33
[  177.134915][    C3] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff96364de1
[  177.135176][    C3] RBP: ffff888001041080 R08: 0000000000000001 R09: fffffbfff32c32af
[  177.135433][    C3] R10: ffffffff9961957f R11: 0000000000001000 R12: ffff888001041080
[  177.135807][    C3] R13: ffffea0000179800 R14: ffff8880010433c0 R15: ffff888005e64000
[ 177.136068][ C3] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 177.136288][ C3] get_partial_node.part.0 (mm/slub.c:2623) 
[ 177.136568][ C3] ___slab_alloc (mm/slub.c:2583 mm/slub.c:2701 mm/slub.c:3505) 
[ 177.136741][ C3] ? fs_reclaim_acquire (mm/page_alloc.c:3715 mm/page_alloc.c:3706) 
[ 177.136913][ C3] ? p9_fcall_init (net/9p/client.c:232) 
[ 177.137088][ C3] ? __pfx___lock_release (kernel/locking/lockdep.c:5406) 
[ 177.137371][ C3] ? p9_fcall_init (net/9p/client.c:232) 
[ 177.137540][ C3] ? __kmalloc (mm/slub.c:3610 mm/slub.c:3663 mm/slub.c:3835 mm/slub.c:3965 mm/slub.c:3979) 
[ 177.137709][ C3] __kmalloc (mm/slub.c:3610 mm/slub.c:3663 mm/slub.c:3835 mm/slub.c:3965 mm/slub.c:3979) 
[ 177.137843][ C3] p9_fcall_init (net/9p/client.c:232) 
[ 177.138020][ C3] p9_tag_alloc (net/9p/client.c:295) 
[ 177.138294][ C3] ? __pfx_p9_tag_alloc (net/9p/client.c:277) 
[ 177.138471][ C3] ? netfs_alloc_subrequest (./include/linux/slab.h:632 ./include/linux/slab.h:749 fs/netfs/objects.c:143) 
[ 177.138651][ C3] ? is_bpf_text_address (kernel/bpf/core.c:772) 
[ 177.138832][ C3] p9_client_prepare_req (net/9p/client.c:641) 
[ 177.139111][ 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) 
[ 177.139282][ C3] ? __pfx_p9_client_prepare_req (net/9p/client.c:625) 
[ 177.139498][ C3] p9_client_rpc (net/9p/client.c:688 (discriminator 4)) 
[ 177.139669][ C3] ? __pfx_p9_client_rpc (net/9p/client.c:672) 
[ 177.139946][ C3] ? __lock_release (kernel/locking/lockdep.c:5430) 
[ 177.140118][ C3] ? __debug_object_init (lib/debugobjects.c:622) 
[ 177.140294][ C3] ? __pfx___lock_release (kernel/locking/lockdep.c:5406) 
[ 177.140466][ C3] p9_client_read_once (net/9p/client.c:1562) 
[ 177.140641][ C3] ? mark_held_locks (kernel/locking/lockdep.c:4274) 
[ 177.140814][ C3] ? __pfx_p9_client_read_once (net/9p/client.c:1534) 
[ 177.140985][ C3] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) 
[ 177.141197][ C3] ? __debug_object_init (lib/debugobjects.c:622) 
[ 177.141471][ C3] p9_client_read (net/9p/client.c:1522) 
[ 177.141644][ C3] v9fs_issue_read (fs/9p/vfs_addr.c:76) 
[ 177.141819][ C3] ? __pfx_v9fs_issue_read (fs/9p/vfs_addr.c:66) 
[ 177.141989][ C3] ? netfs_rreq_prepare_read (fs/netfs/io.c:640) 
[ 177.142163][ C3] netfs_rreq_submit_slice (fs/netfs/io.c:694) 
[ 177.142437][ C3] netfs_begin_read (fs/netfs/io.c:741) 
[ 177.142609][ C3] ? netfs_extract_user_iter (fs/netfs/iterator.c:39) 
[ 177.142775][ C3] ? __pfx_netfs_begin_read (fs/netfs/io.c:708) 
[ 177.142944][ C3] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 177.143220][ C3] ? __pfx_netfs_extract_user_iter (fs/netfs/iterator.c:39) 
[ 177.143427][ C3] ? netfs_alloc_request (fs/netfs/objects.c:64) 
[ 177.143595][ C3] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) 
[ 177.143764][ C3] ? _raw_spin_unlock (./arch/x86/include/asm/preempt.h:94 ./include/linux/spinlock_api_smp.h:143 kernel/locking/spinlock.c:186) 
[ 177.144039][ C3] ? netfs_alloc_request (fs/netfs/objects.c:64) 
[ 177.144210][ C3] netfs_unbuffered_read_iter_locked (fs/netfs/direct_read.c:84) 
[ 177.144426][ C3] netfs_unbuffered_read_iter (fs/netfs/direct_read.c:121) 
[ 177.144604][ C3] do_iter_readv_writev (./include/linux/fs.h:2102 fs/read_write.c:739) 
[ 177.144781][ C3] ? __pfx_do_iter_readv_writev (fs/read_write.c:728) 
[ 177.144953][ C3] ? __pfx___lock_release (kernel/locking/lockdep.c:5406) 
[ 177.145123][ C3] vfs_iter_read (fs/read_write.c:830) 
[ 177.145293][ C3] backing_file_read_iter (fs/backing-file.c:160) 
[ 177.145572][ C3] ovl_read_iter (./include/linux/file.h:47 fs/overlayfs/file.c:283) 
[ 177.145752][ C3] ? __pfx_ovl_read_iter (fs/overlayfs/file.c:264) 
[ 177.145924][ C3] ? __pfx_ovl_file_accessed (fs/overlayfs/file.c:236) 
[ 177.146097][ C3] vfs_read (./include/linux/fs.h:2102 fs/read_write.c:395 fs/read_write.c:476) 
[ 177.146226][ C3] ? kmem_cache_free (mm/slub.c:4280 mm/slub.c:4344) 
[ 177.146497][ C3] ? __pfx_vfs_read (fs/read_write.c:457) 
[ 177.146667][ C3] ? __pfx_do_sys_openat2 (fs/open.c:1392) 
[ 177.146838][ C3] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 177.147013][ C3] __x64_sys_pread64 (fs/read_write.c:671 fs/read_write.c:681 fs/read_write.c:678 fs/read_write.c:678) 
[ 177.147282][ C3] ? __pfx___x64_sys_pread64 (fs/read_write.c:678) 
[ 177.147456][ C3] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 177.147633][ C3] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) 
[  177.147847][    C3] RIP: 0033:0x7fb06b21816e
[ 177.148241][ C3] 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
[  177.148849][    C3] RSP: 002b:00007fff8bae9448 EFLAGS: 00000206 ORIG_RAX: 0000000000000011
[  177.149216][    C3] RAX: ffffffffffffffda RBX: 00007fff8bae9948 RCX: 00007fb06b21816e
[  177.149483][    C3] RDX: 00000000000000bc RSI: 00007fff8bae9450 RDI: 0000000000000005
[  177.149737][    C3] RBP: 00007fff8bae9580 R08: 00007fff8bae97f8 R09: 0000000000000000
[  177.149991][    C3] R10: 0000000000000320 R11: 0000000000000206 R12: 00007fff8bae9450


Finger prints:
dump_stack_lvl:mark_lock_irq:mark_lock:mark_usage