======================================
| [ 43.551315][ C2] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) 
| [   43.551507][    C2]
| [   43.551679][    C2]
| [   43.551679][    C2] stack backtrace:
[   43.552098][    C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   43.552532][    C2] Call Trace:
[   43.552648][    C2]  <IRQ>
[ 43.552728][ C2] dump_stack_lvl (lib/dump_stack.c:117) 
[ 43.552890][ C2] print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4024) 
[ 43.553171][ C2] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 43.553326][ C2] ? __pfx_print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4024) 
[ 43.553514][ C2] ? __pfx_usage_skip (kernel/locking/lockdep.c:2264) 
[ 43.553663][ C2] ? __pfx_usage_match (kernel/locking/lockdep.c:2256) 
[ 43.553907][ C2] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 43.554059][ C2] mark_lock_irq (kernel/locking/lockdep.c:4244) 
[ 43.554212][ C2] ? __pfx_mark_lock_irq (kernel/locking/lockdep.c:4207) 
[ 43.554365][ C2] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 43.554609][ C2] ? save_trace (kernel/locking/lockdep.c:586) 
[ 43.554768][ C2] mark_lock (kernel/locking/lockdep.c:4678) 
[ 43.554883][ C2] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 43.555032][ C2] mark_usage (kernel/locking/lockdep.c:4567) 
[ 43.555145][ C2] __lock_acquire (kernel/locking/lockdep.c:5091) 
[ 43.555391][ C2] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) 
[ 43.555543][ C2] ? __pfx_addrconf_rs_timer (net/ipv6/addrconf.c:4016) 
[ 43.555703][ C2] lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) 
[ 43.555856][ C2] ? addrconf_rs_timer (net/ipv6/addrconf.c:4023) 
[ 43.556099][ C2] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) 
[ 43.556253][ C2] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) 
[ 43.556404][ C2] ? addrconf_rs_timer (net/ipv6/addrconf.c:4023) 
[ 43.556571][ C2] ? lock_acquire (kernel/locking/lockdep.c:5727) 
[ 43.556729][ C2] ? addrconf_rs_timer (net/ipv6/addrconf.c:4023) 
[ 43.556979][ C2] _raw_write_lock (./include/linux/rwlock_api_smp.h:210 kernel/locking/spinlock.c:300) 
[ 43.557133][ C2] ? addrconf_rs_timer (net/ipv6/addrconf.c:4023) 
[ 43.557286][ C2] addrconf_rs_timer (net/ipv6/addrconf.c:4023) 
[ 43.557433][ C2] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) 
[ 43.557681][ C2] ? __pfx_addrconf_rs_timer (net/ipv6/addrconf.c:4016) 
[ 43.557836][ C2] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1783) 
[ 43.557985][ C2] ? lock_acquire (kernel/locking/lockdep.c:5727) 
[ 43.558137][ C2] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1783) 
[ 43.558382][ C2] ? __pfx_addrconf_rs_timer (net/ipv6/addrconf.c:4016) 
[ 43.558530][ C2] call_timer_fn (kernel/time/timer.c:1793) 
[ 43.558692][ C2] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1783) 
[ 43.558846][ C2] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1783) 
[ 43.559092][ C2] ? __pfx_call_timer_fn (kernel/time/timer.c:1770) 
[ 43.559248][ 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) 
[ 43.559401][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) 
[ 43.559551][ C2] __run_timers (kernel/time/timer.c:1845 kernel/time/timer.c:2418) 
[ 43.559703][ C2] ? __pfx_addrconf_rs_timer (net/ipv6/addrconf.c:4016) 
[ 43.559948][ C2] ? __pfx___run_timers (kernel/time/timer.c:2389) 
[ 43.560102][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) 
[ 43.560254][ 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) 
[ 43.560404][ C2] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 43.560740][ C2] ? lock_acquire (kernel/locking/lockdep.c:5727) 
[ 43.560892][ C2] ? timer_expire_remote (kernel/time/timer.c:2429 kernel/time/timer.c:2422 kernel/time/timer.c:2181) 
[ 43.561044][ C2] timer_expire_remote (kernel/time/timer.c:2430 kernel/time/timer.c:2422 kernel/time/timer.c:2181) 
[ 43.561194][ 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) 
[ 43.561439][ C2] ? __pfx_tmigr_handle_remote_cpu (kernel/time/timer_migration.c:869) 
[ 43.561627][ 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) 
[ 43.561778][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) 
[ 43.561895][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) 
[ 43.562143][ C2] tmigr_handle_remote_up (kernel/time/timer_migration.c:1003) 
[ 43.562298][ C2] tmigr_handle_remote (kernel/time/timer_migration.c:488 kernel/time/timer_migration.c:1061) 
[ 43.562447][ C2] ? __pfx_tmigr_handle_remote (kernel/time/timer_migration.c:1026) 
[ 43.562601][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) 
[ 43.562757][ C2] __do_softirq (kernel/softirq.c:554) 
[ 43.563007][ C2] irq_exit_rcu (kernel/softirq.c:428 kernel/softirq.c:633 kernel/softirq.c:645) 
[ 43.563131][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[   43.563280][    C2]  </IRQ>
[   43.563358][    C2]  <TASK>
[ 43.563434][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 43.563715][ C2] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 43.563911][ C2] 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 af 48 <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 af 48 	decl   %gs:0x48afbf05(%rip)        # 0x48afbf2f
  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
[   43.564548][    C2] RSP: 0018:ffffc90000a5f9c0 EFLAGS: 00000282
[   43.564745][    C2] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff74e5eb4
[   43.564978][    C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffb7540911
[   43.565302][    C2] RBP: ffff88800104f440 R08: 0000000000000001 R09: fffffbfff74e38aa
[   43.565526][    C2] R10: ffffffffba71c557 R11: 0000000000000008 R12: ffff88800104f440
[   43.565758][    C2] R13: ffffea00000a3b80 R14: ffff88800104de40 R15: ffff8880028ee148
[ 43.566081][ C2] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 43.566282][ C2] get_partial_node.part.0 (mm/slub.c:2623) 
[ 43.566438][ C2] ___slab_alloc (mm/slub.c:2583 mm/slub.c:2701 mm/slub.c:3505) 
[ 43.566695][ C2] ? kmem_cache_alloc (./include/linux/sched/mm.h:315 mm/slub.c:3746 mm/slub.c:3827 mm/slub.c:3852) 
[ 43.566845][ C2] ? __alloc_object (mm/kmemleak.c:466 mm/kmemleak.c:645) 
[ 43.566997][ C2] ? __pfx___lock_release (kernel/locking/lockdep.c:5406) 
[ 43.567154][ C2] ? __alloc_object (mm/kmemleak.c:466 mm/kmemleak.c:645) 
[ 43.567395][ C2] ? kmem_cache_alloc (mm/slub.c:3610 mm/slub.c:3663 mm/slub.c:3835 mm/slub.c:3852) 
[ 43.567545][ C2] kmem_cache_alloc (mm/slub.c:3610 mm/slub.c:3663 mm/slub.c:3835 mm/slub.c:3852) 
[ 43.567699][ C2] __alloc_object (mm/kmemleak.c:466 mm/kmemleak.c:645) 
[ 43.567849][ C2] __create_object (mm/kmemleak.c:750) 
[ 43.568002][ C2] kmem_cache_alloc (./include/linux/kmemleak.h:42 mm/slub.c:3802 mm/slub.c:3845 mm/slub.c:3852) 
[ 43.568249][ C2] vm_area_alloc (kernel/fork.c:441 kernel/fork.c:472) 
[ 43.568399][ C2] mmap_region (mm/mmap.c:2807) 
[ 43.568551][ C2] ? __pfx_arch_get_unmapped_area_topdown (arch/x86/kernel/sys_x86_64.c:157) 
[ 43.568754][ C2] ? __pfx_mmap_region (mm/mmap.c:2718) 
[ 43.569000][ C2] ? get_unmapped_area (mm/mmap.c:1854) 
[ 43.569149][ C2] do_mmap (mm/mmap.c:1385) 
[ 43.569263][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) 
[ 43.569413][ C2] ? __fget_files (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 fs/file.c:1037) 
[ 43.569658][ C2] vm_mmap_pgoff (mm/util.c:573) 
[ 43.569818][ C2] ? __pfx_vm_mmap_pgoff (mm/util.c:563) 
[ 43.569969][ C2] ? __fget_files (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 fs/file.c:1037) 
[ 43.570123][ C2] ? __fget_files (fs/file.c:1040) 
[ 43.570366][ C2] ksys_mmap_pgoff (mm/mmap.c:1431) 
[ 43.570518][ C2] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 43.570674][ C2] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) 
[   43.570862][    C2] RIP: 0033:0x7fade7247287
[ 43.571122][ C2] Code: c3 66 90 48 89 2b 48 c7 43 08 00 04 00 00 5b 5d 41 5c c3 f3 0f 1e fa 41 89 ca 41 f7 c1 ff 0f 00 00 75 10 b8 09 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 19 c3 c7 05 46 ef 00 00 16 00 00 00 48 c7 c0
All code
========
   0:	c3                   	ret
   1:	66 90                	xchg   %ax,%ax
   3:	48 89 2b             	mov    %rbp,(%rbx)
   6:	48 c7 43 08 00 04 00 	movq   $0x400,0x8(%rbx)
   d:	00 
   e:	5b                   	pop    %rbx
   f:	5d                   	pop    %rbp
  10:	41 5c                	pop    %r12
  12:	c3                   	ret
  13:	f3 0f 1e fa          	endbr64
  17:	41 89 ca             	mov    %ecx,%r10d
  1a:	41 f7 c1 ff 0f 00 00 	test   $0xfff,%r9d
  21:	75 10                	jne    0x33
  23:	b8 09 00 00 00       	mov    $0x9,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 19                	ja     0x4b
  32:	c3                   	ret
  33:	c7 05 46 ef 00 00 16 	movl   $0x16,0xef46(%rip)        # 0xef83
  3a:	00 00 00 
  3d:	48                   	rex.W
  3e:	c7                   	.byte 0xc7
  3f:	c0                   	.byte 0xc0

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 19                	ja     0x21
   8:	c3                   	ret
   9:	c7 05 46 ef 00 00 16 	movl   $0x16,0xef46(%rip)        # 0xef59
  10:	00 00 00 
  13:	48                   	rex.W
  14:	c7                   	.byte 0xc7
  15:	c0                   	.byte 0xc0
[   43.571661][    C2] RSP: 002b:00007ffc8d254828 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
[   43.571987][    C2] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fade7247287
[   43.572214][    C2] RDX: 0000000000000003 RSI: 0000000000002000 RDI: 00007fade6fae000
[   43.572440][    C2] RBP: 00007ffc8d254b90 R08: 0000000000000005 R09: 000000000009b000
[   43.572859][    C2] R10: 0000000000000812 R11: 0000000000000246 R12: 00007ffc8d2548c0


Finger prints:
dump_stack_lvl:mark_lock_irq:mark_lock:mark_usage