======================================
| [ 39.729856][ C3] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) 
| [   39.730115][    C3]
| [   39.730185][    C3]
| [   39.730185][    C3] stack backtrace:
[   39.730579][    C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   39.730974][    C3] Call Trace:
[   39.731089][    C3]  <IRQ>
[ 39.731163][ C3] dump_stack_lvl (lib/dump_stack.c:117) 
[ 39.731310][ C3] print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4024) 
[ 39.731572][ C3] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 39.731718][ C3] ? __pfx_print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4024) 
[ 39.731892][ C3] ? __pfx_usage_skip (kernel/locking/lockdep.c:2264) 
[ 39.732033][ C3] ? __pfx_usage_match (kernel/locking/lockdep.c:2256) 
[ 39.732173][ C3] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 39.732314][ C3] mark_lock_irq (kernel/locking/lockdep.c:4244) 
[ 39.732455][ C3] ? __pfx_mark_lock_irq (kernel/locking/lockdep.c:4207) 
[ 39.732596][ C3] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 39.732908][ C3] ? save_trace (kernel/locking/lockdep.c:586) 
[ 39.733057][ C3] mark_lock (kernel/locking/lockdep.c:4678) 
[ 39.733164][ C3] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 39.733303][ C3] mark_usage (kernel/locking/lockdep.c:4567) 
[ 39.733412][ C3] __lock_acquire (kernel/locking/lockdep.c:5091) 
[ 39.733642][ C3] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) 
[ 39.733783][ C3] ? __pfx_addrconf_rs_timer (net/ipv6/addrconf.c:4016) 
[ 39.733924][ C3] lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) 
[ 39.734065][ C3] ? addrconf_rs_timer (net/ipv6/addrconf.c:4023) 
[ 39.734204][ C3] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) 
[ 39.734350][ C3] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) 
[ 39.734491][ C3] ? addrconf_rs_timer (net/ipv6/addrconf.c:4023) 
[ 39.734645][ C3] ? lock_acquire (kernel/locking/lockdep.c:5727) 
[ 39.734866][ C3] ? addrconf_rs_timer (net/ipv6/addrconf.c:4023) 
[ 39.735006][ C3] _raw_write_lock (./include/linux/rwlock_api_smp.h:210 kernel/locking/spinlock.c:300) 
[ 39.735145][ C3] ? addrconf_rs_timer (net/ipv6/addrconf.c:4023) 
[ 39.735285][ C3] addrconf_rs_timer (net/ipv6/addrconf.c:4023) 
[ 39.735425][ C3] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) 
[ 39.735659][ C3] ? __pfx_addrconf_rs_timer (net/ipv6/addrconf.c:4016) 
[ 39.735805][ C3] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1783) 
[ 39.735945][ C3] ? lock_acquire (kernel/locking/lockdep.c:5727) 
[ 39.736086][ C3] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1783) 
[ 39.736227][ C3] ? __pfx_addrconf_rs_timer (net/ipv6/addrconf.c:4016) 
[ 39.736365][ C3] call_timer_fn (kernel/time/timer.c:1793) 
[ 39.736504][ C3] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1783) 
[ 39.736641][ C3] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1783) 
[ 39.736871][ C3] ? __pfx_call_timer_fn (kernel/time/timer.c:1770) 
[ 39.737014][ 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) 
[ 39.737155][ C3] ? mark_held_locks (kernel/locking/lockdep.c:4274) 
[ 39.737297][ C3] __run_timers (kernel/time/timer.c:1845 kernel/time/timer.c:2418) 
[ 39.737527][ C3] ? __pfx_addrconf_rs_timer (net/ipv6/addrconf.c:4016) 
[ 39.737666][ C3] ? __pfx___run_timers (kernel/time/timer.c:2389) 
[ 39.737807][ 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) 
[ 39.737948][ C3] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 39.738090][ C3] ? lock_acquire (kernel/locking/lockdep.c:5727) 
[ 39.738234][ C3] ? run_timer_softirq (kernel/time/timer.c:2429 kernel/time/timer.c:2422 kernel/time/timer.c:2438 kernel/time/timer.c:2448) 
[ 39.738375][ C3] run_timer_softirq (kernel/time/timer.c:2430 kernel/time/timer.c:2422 kernel/time/timer.c:2438 kernel/time/timer.c:2448) 
[ 39.738515][ C3] __do_softirq (kernel/softirq.c:554) 
[ 39.738656][ C3] irq_exit_rcu (kernel/softirq.c:428 kernel/softirq.c:633 kernel/softirq.c:645) 
[ 39.738844][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[   39.738985][    C3]  </IRQ>
[   39.739058][    C3]  <TASK>
[ 39.739127][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 39.739299][ C3] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 39.739580][ C3] Code: 10 e8 81 31 79 fd 48 89 ef e8 b9 a1 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 8b 6d 70 <74> 0e 5b 5d c3 cc cc cc cc e8 0f 00 9d fd eb dc 0f 1f 44 00 00 5b
All code
========
   0:	10 e8                	adc    %ch,%al
   2:	81 31 79 fd 48 89    	xorl   $0x8948fd79,(%rcx)
   8:	ef                   	out    %eax,(%dx)
   9:	e8 b9 a1 79 fd       	call   0xfffffffffd79a1c7
   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 8b 6d 70 	decl   %gs:0x706d8bf5(%rip)        # 0x706d8c1f
  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 00 9d fd       	call   0xfffffffffd9d0047
  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 00 9d fd       	call   0xfffffffffd9d001d
   e:	eb dc                	jmp    0xffffffffffffffec
  10:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  15:	5b                   	pop    %rbx
[   39.740077][    C3] RSP: 0018:ffffc9000126fc28 EFLAGS: 00000286
[   39.740257][    C3] RAX: 0000000000000006 RBX: 0000000000000200 RCX: 1ffffffff2585755
[   39.740467][    C3] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8f963de1
[   39.740679][    C3] RBP: ffff8880010411c0 R08: 0000000000000001 R09: fffffbfff25836a9
[   39.740974][    C3] R10: ffffffff92c1b54f R11: 0000000000002000 R12: ffff888001043540
[   39.741187][    C3] R13: ffff8880088d2000 R14: 0000000000000282 R15: ffff8880010411c0
[ 39.741488][ C3] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 39.741665][ C3] free_to_partial_list (mm/slub.c:4071) 
[ 39.741805][ C3] ? qlist_free_all (mm/kasan/quarantine.c:163 mm/kasan/quarantine.c:179) 
[ 39.741948][ C3] qlist_free_all (mm/kasan/quarantine.c:174) 
[ 39.742089][ C3] kasan_quarantine_reduce (./include/linux/srcu.h:285 mm/kasan/quarantine.c:287) 
[ 39.742229][ C3] __kasan_slab_alloc (mm/kasan/common.c:322) 
[ 39.742368][ C3] kmem_cache_alloc (./include/linux/kasan.h:201 mm/slub.c:3798 mm/slub.c:3845 mm/slub.c:3852) 
[ 39.742508][ C3] getname_flags (fs/namei.c:139) 
[ 39.742649][ C3] do_sys_openat2 (fs/open.c:1400) 
[ 39.742873][ C3] ? vfs_fstatat (fs/stat.c:308) 
[ 39.743014][ C3] ? __pfx_do_sys_openat2 (fs/open.c:1392) 
[ 39.743157][ C3] ? __pfx___do_sys_newfstatat (fs/stat.c:464) 
[ 39.743299][ C3] __x64_sys_openat (fs/open.c:1432) 
[ 39.743613][ C3] ? __pfx___x64_sys_openat (fs/open.c:1432) 
[ 39.743750][ C3] ? __pfx_do_faccessat (fs/open.c:465) 
[ 39.743892][ C3] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 39.744030][ C3] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) 
[   39.744201][    C3] RIP: 0033:0x7fb9d2f1e0e8
[ 39.744344][ C3] Code: f9 41 89 f0 41 83 e2 40 75 30 89 f0 25 00 00 41 00 3d 00 00 41 00 74 22 44 89 c2 4c 89 ce bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 30 c3 0f 1f 80 00 00 00 00 48 8d 44 24 08 c7
All code
========
   0:	f9                   	stc
   1:	41 89 f0             	mov    %esi,%r8d
   4:	41 83 e2 40          	and    $0x40,%r10d
   8:	75 30                	jne    0x3a
   a:	89 f0                	mov    %esi,%eax
   c:	25 00 00 41 00       	and    $0x410000,%eax
  11:	3d 00 00 41 00       	cmp    $0x410000,%eax
  16:	74 22                	je     0x3a
  18:	44 89 c2             	mov    %r8d,%edx
  1b:	4c 89 ce             	mov    %r9,%rsi
  1e:	bf 9c ff ff ff       	mov    $0xffffff9c,%edi
  23:	b8 01 01 00 00       	mov    $0x101,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 30                	ja     0x62
  32:	c3                   	ret
  33:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  3a:	48 8d 44 24 08       	lea    0x8(%rsp),%rax
  3f:	c7                   	.byte 0xc7

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 30                	ja     0x38
   8:	c3                   	ret
   9:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  10:	48 8d 44 24 08       	lea    0x8(%rsp),%rax
  15:	c7                   	.byte 0xc7
[   39.744924][    C3] RSP: 002b:00007ffe01e2f3e8 EFLAGS: 00000287 ORIG_RAX: 0000000000000101
[   39.745135][    C3] RAX: ffffffffffffffda RBX: 00007ffe01e2f66f RCX: 00007fb9d2f1e0e8
[   39.745342][    C3] RDX: 0000000000080000 RSI: 00007ffe01e2f460 RDI: 00000000ffffff9c
[   39.745643][    C3] RBP: 00007ffe01e2f450 R08: 0000000000080000 R09: 00007ffe01e2f460
[   39.745850][    C3] R10: 0000000000000000 R11: 0000000000000287 R12: 00007ffe01e2f467


Finger prints:
dump_stack_lvl:mark_lock_irq:mark_lock:mark_usage