======================================
| [ 35.554152][ C3] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) 
| [   35.554454][    C3]
| [   35.554553][    C3]
| [   35.554553][    C3] stack backtrace:
[   35.555014][    C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   35.555480][    C3] Call Trace:
[   35.555623][    C3]  <IRQ>
[ 35.555707][ C3] dump_stack_lvl (lib/dump_stack.c:117) 
[ 35.555872][ C3] print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4024) 
[ 35.556170][ C3] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 35.556337][ C3] ? __pfx_print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4024) 
[ 35.556551][ C3] ? __pfx_usage_skip (kernel/locking/lockdep.c:2264) 
[ 35.556721][ C3] ? __pfx_usage_match (kernel/locking/lockdep.c:2256) 
[ 35.556886][ C3] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 35.557047][ C3] mark_lock_irq (kernel/locking/lockdep.c:4244) 
[ 35.557209][ C3] ? __pfx_mark_lock_irq (kernel/locking/lockdep.c:4207) 
[ 35.557387][ C3] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 35.557561][ C3] ? save_trace (kernel/locking/lockdep.c:586) 
[ 35.557748][ C3] mark_lock (kernel/locking/lockdep.c:4678) 
[ 35.557871][ C3] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 35.558043][ C3] mark_usage (kernel/locking/lockdep.c:4567) 
[ 35.558172][ C3] __lock_acquire (kernel/locking/lockdep.c:5091) 
[ 35.558348][ C3] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) 
[ 35.558520][ C3] ? __pfx_addrconf_rs_timer (net/ipv6/addrconf.c:4016) 
[ 35.558702][ C3] lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) 
[ 35.558866][ C3] ? addrconf_rs_timer (net/ipv6/addrconf.c:4023) 
[ 35.559138][ C3] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) 
[ 35.559318][ C3] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) 
[ 35.559502][ C3] ? addrconf_rs_timer (net/ipv6/addrconf.c:4023) 
[ 35.559678][ C3] ? lock_acquire (kernel/locking/lockdep.c:5727) 
[ 35.559845][ C3] ? addrconf_rs_timer (net/ipv6/addrconf.c:4023) 
[ 35.560012][ C3] _raw_write_lock (./include/linux/rwlock_api_smp.h:210 kernel/locking/spinlock.c:300) 
[ 35.560175][ C3] ? addrconf_rs_timer (net/ipv6/addrconf.c:4023) 
[ 35.560336][ C3] addrconf_rs_timer (net/ipv6/addrconf.c:4023) 
[ 35.560517][ C3] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) 
[ 35.560701][ C3] ? __pfx_addrconf_rs_timer (net/ipv6/addrconf.c:4016) 
[ 35.560864][ C3] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1783) 
[ 35.561030][ C3] ? lock_acquire (kernel/locking/lockdep.c:5727) 
[ 35.561218][ C3] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1783) 
[ 35.561378][ C3] ? __pfx_addrconf_rs_timer (net/ipv6/addrconf.c:4016) 
[ 35.561555][ C3] call_timer_fn (kernel/time/timer.c:1793) 
[ 35.561727][ C3] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1783) 
[ 35.561889][ C3] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1783) 
[ 35.562157][ C3] ? __pfx_call_timer_fn (kernel/time/timer.c:1770) 
[ 35.562321][ 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) 
[ 35.562494][ C3] ? mark_held_locks (kernel/locking/lockdep.c:4274) 
[ 35.562678][ C3] __run_timers (kernel/time/timer.c:1845 kernel/time/timer.c:2418) 
[ 35.562849][ C3] ? __pfx_addrconf_rs_timer (net/ipv6/addrconf.c:4016) 
[ 35.563025][ C3] ? __pfx___run_timers (kernel/time/timer.c:2389) 
[ 35.563190][ 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) 
[ 35.563355][ C3] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 35.563543][ C3] ? lock_acquire (kernel/locking/lockdep.c:5727) 
[ 35.563710][ C3] ? run_timer_softirq (kernel/time/timer.c:2429 kernel/time/timer.c:2422 kernel/time/timer.c:2438 kernel/time/timer.c:2448) 
[ 35.563892][ C3] run_timer_softirq (kernel/time/timer.c:2430 kernel/time/timer.c:2422 kernel/time/timer.c:2438 kernel/time/timer.c:2448) 
[ 35.564060][ C3] __do_softirq (kernel/softirq.c:554) 
[ 35.564342][ C3] irq_exit_rcu (kernel/softirq.c:428 kernel/softirq.c:633 kernel/softirq.c:645) 
[ 35.564475][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[   35.564667][    C3]  </IRQ>
[   35.564750][    C3]  <TASK>
[ 35.564832][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 35.565045][ C3] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 35.565349][ C3] Code: 10 e8 21 49 9b fd 48 89 ef e8 59 b9 9b 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 05 bf 0f 7b <74> 0e 5b 5d c3 cc cc cc cc e8 4f b3 be fd eb dc 0f 1f 44 00 00 5b
All code
========
   0:	10 e8                	adc    %ch,%al
   2:	21 49 9b             	and    %ecx,-0x65(%rcx)
   5:	fd                   	std
   6:	48 89 ef             	mov    %rbp,%rdi
   9:	e8 59 b9 9b fd       	call   0xfffffffffd9bb967
   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 05 bf 0f 7b 	decl   %gs:0x7b0fbf05(%rip)        # 0x7b0fbf2f
  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 4f b3 be fd       	call   0xfffffffffdbeb387
  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 4f b3 be fd       	call   0xfffffffffdbeb35d
   e:	eb dc                	jmp    0xffffffffffffffec
  10:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  15:	5b                   	pop    %rbx
[   35.566064][    C3] RSP: 0018:ffffc90000a9f7a0 EFLAGS: 00000282
[   35.566284][    C3] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff1028178
[   35.566537][    C3] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff84f40911
[   35.566805][    C3] RBP: ffff88800104f440 R08: 0000000000000001 R09: fffffbfff10238af
[   35.567062][    C3] R10: ffffffff8811c57f R11: 0000000000000008 R12: ffff88800104f440
[   35.567309][    C3] R13: ffffea00001f9880 R14: ffff88800104de40 R15: ffff888007e63cc8
[ 35.567594][ C3] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 35.567799][ C3] get_partial_node.part.0 (mm/slub.c:2623) 
[ 35.567967][ C3] ___slab_alloc (mm/slub.c:2583 mm/slub.c:2701 mm/slub.c:3505) 
[ 35.568140][ C3] ? kmem_cache_alloc (./include/linux/sched/mm.h:315 mm/slub.c:3746 mm/slub.c:3827 mm/slub.c:3852) 
[ 35.568395][ C3] ? __alloc_object (mm/kmemleak.c:466 mm/kmemleak.c:645) 
[ 35.568599][ C3] ? __pfx___lock_release (kernel/locking/lockdep.c:5406) 
[ 35.568764][ C3] ? __alloc_object (mm/kmemleak.c:466 mm/kmemleak.c:645) 
[ 35.568935][ C3] ? kmem_cache_alloc (mm/slub.c:3610 mm/slub.c:3663 mm/slub.c:3835 mm/slub.c:3852) 
[ 35.569195][ C3] kmem_cache_alloc (mm/slub.c:3610 mm/slub.c:3663 mm/slub.c:3835 mm/slub.c:3852) 
[ 35.569361][ C3] __alloc_object (mm/kmemleak.c:466 mm/kmemleak.c:645) 
[ 35.569542][ C3] __create_object (mm/kmemleak.c:750) 
[ 35.569704][ C3] kmem_cache_alloc (./include/linux/kmemleak.h:42 mm/slub.c:3802 mm/slub.c:3845 mm/slub.c:3852) 
[ 35.569968][ C3] vm_area_dup (kernel/fork.c:441 kernel/fork.c:494) 
[ 35.570092][ C3] dup_mmap (kernel/fork.c:697) 
[ 35.570229][ C3] ? __pfx_dup_mmap (kernel/fork.c:630) 
[ 35.570405][ C3] ? mm_init.constprop.0.isra.0 (kernel/fork.c:1303) 
[ 35.570616][ C3] ? __raw_spin_lock_init (kernel/locking/spinlock_debug.c:27) 
[ 35.570893][ C3] copy_mm (kernel/fork.c:1688 kernel/fork.c:1736) 
[ 35.571016][ C3] copy_process (kernel/fork.c:2389) 
[ 35.571282][ C3] ? __lock_release (kernel/locking/lockdep.c:5430) 
[ 35.571475][ C3] ? __pfx_copy_process (kernel/fork.c:2138) 
[ 35.571746][ 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) 
[ 35.571923][ C3] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) 
[ 35.572053][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5137) 
[ 35.572216][ C3] ? usage_skip (kernel/locking/lockdep.c:2295 kernel/locking/lockdep.c:2263) 
[ 35.572392][ C3] kernel_clone (./include/linux/random.h:26 kernel/fork.c:2797) 
[ 35.572687][ C3] ? do_user_addr_fault (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/mm.h:700 arch/x86/mm/fault.c:1364) 
[ 35.572848][ C3] ? __pfx_kernel_clone (kernel/fork.c:2756) 
[ 35.573015][ C3] ? find_held_lock (kernel/locking/lockdep.c:5244) 
[ 35.573192][ C3] ? __lock_release (kernel/locking/lockdep.c:5430) 
[ 35.573446][ C3] __do_sys_clone (kernel/fork.c:2928) 
[ 35.573636][ C3] ? __pfx___do_sys_clone (kernel/fork.c:2928) 
[ 35.573801][ C3] ? __pfx___up_read (kernel/locking/rwsem.c:1339) 
[ 35.573979][ C3] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) 
[ 35.574276][ C3] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 35.574439][ C3] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) 
[   35.574649][    C3] RIP: 0033:0x7f12def55a17
[ 35.574816][ C3] Code: 00 00 00 f3 0f 1e fa 64 48 8b 04 25 10 00 00 00 45 31 c0 31 d2 31 f6 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 39 41 89 c0 85 c0 75 2a 64 48 8b 04 25 10 00
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	00 f3                	add    %dh,%bl
   4:	0f 1e fa             	nop    %edx
   7:	64 48 8b 04 25 10 00 	mov    %fs:0x10,%rax
   e:	00 00 
  10:	45 31 c0             	xor    %r8d,%r8d
  13:	31 d2                	xor    %edx,%edx
  15:	31 f6                	xor    %esi,%esi
  17:	bf 11 00 20 01       	mov    $0x1200011,%edi
  1c:	4c 8d 90 d0 02 00 00 	lea    0x2d0(%rax),%r10
  23:	b8 38 00 00 00       	mov    $0x38,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 39                	ja     0x6b
  32:	41 89 c0             	mov    %eax,%r8d
  35:	85 c0                	test   %eax,%eax
  37:	75 2a                	jne    0x63
  39:	64                   	fs
  3a:	48                   	rex.W
  3b:	8b                   	.byte 0x8b
  3c:	04 25                	add    $0x25,%al
  3e:	10 00                	adc    %al,(%rax)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 39                	ja     0x41
   8:	41 89 c0             	mov    %eax,%r8d
   b:	85 c0                	test   %eax,%eax
   d:	75 2a                	jne    0x39
   f:	64                   	fs
  10:	48                   	rex.W
  11:	8b                   	.byte 0x8b
  12:	04 25                	add    $0x25,%al
  14:	10 00                	adc    %al,(%rax)
[   35.575514][    C3] RSP: 002b:00007fff9990deb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
[   35.575762][    C3] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f12def55a17
[   35.576001][    C3] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011
[   35.576252][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000558fe2107562
[   35.576551][    C3] R10: 00007f12dee3aa10 R11: 0000000000000246 R12: 0000000000000000


Finger prints:
dump_stack_lvl:mark_lock_irq:mark_lock:mark_usage