======================================
| [ 34.081401][ C1] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) 
| [   34.081599][    C1]
| [   34.081777][    C1]
| [   34.081777][    C1] stack backtrace:
[   34.082215][    C1] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   34.082772][    C1] Call Trace:
[   34.082893][    C1]  <IRQ>
[ 34.082975][ C1] dump_stack_lvl (lib/dump_stack.c:117) 
[ 34.083138][ C1] print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4024) 
[ 34.083440][ C1] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 34.083603][ C1] ? __pfx_print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4024) 
[ 34.083798][ C1] ? __pfx_usage_skip (kernel/locking/lockdep.c:2264) 
[ 34.083957][ C1] ? __pfx_usage_match (kernel/locking/lockdep.c:2256) 
[ 34.084217][ C1] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 34.084376][ C1] mark_lock_irq (kernel/locking/lockdep.c:4244) 
[ 34.084534][ C1] ? __pfx_mark_lock_irq (kernel/locking/lockdep.c:4207) 
[ 34.084690][ C1] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 34.084852][ C1] ? save_trace (kernel/locking/lockdep.c:586) 
[ 34.085111][ C1] mark_lock (kernel/locking/lockdep.c:4678) 
[ 34.085237][ C1] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 34.085396][ C1] mark_usage (kernel/locking/lockdep.c:4567) 
[ 34.085516][ C1] __lock_acquire (kernel/locking/lockdep.c:5091) 
[ 34.085777][ C1] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) 
[ 34.085936][ C1] ? __pfx_addrconf_rs_timer (net/ipv6/addrconf.c:4016) 
[ 34.086093][ C1] lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) 
[ 34.086255][ C1] ? addrconf_rs_timer (net/ipv6/addrconf.c:4023) 
[ 34.086413][ C1] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) 
[ 34.086674][ C1] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) 
[ 34.086831][ C1] ? addrconf_rs_timer (net/ipv6/addrconf.c:4023) 
[ 34.086987][ C1] ? lock_acquire (kernel/locking/lockdep.c:5727) 
[ 34.087142][ C1] ? addrconf_rs_timer (net/ipv6/addrconf.c:4023) 
[ 34.087399][ C1] _raw_write_lock (./include/linux/rwlock_api_smp.h:210 kernel/locking/spinlock.c:300) 
[ 34.087558][ C1] ? addrconf_rs_timer (net/ipv6/addrconf.c:4023) 
[ 34.087713][ C1] addrconf_rs_timer (net/ipv6/addrconf.c:4023) 
[ 34.087874][ C1] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) 
[ 34.088147][ C1] ? __pfx_addrconf_rs_timer (net/ipv6/addrconf.c:4016) 
[ 34.088305][ C1] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1783) 
[ 34.088462][ C1] ? lock_acquire (kernel/locking/lockdep.c:5727) 
[ 34.088619][ C1] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1783) 
[ 34.088777][ C1] ? __pfx_addrconf_rs_timer (net/ipv6/addrconf.c:4016) 
[ 34.088936][ C1] call_timer_fn (kernel/time/timer.c:1793) 
[ 34.089093][ C1] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1783) 
[ 34.089252][ C1] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1783) 
[ 34.089409][ C1] ? __pfx_call_timer_fn (kernel/time/timer.c:1770) 
[ 34.089566][ C1] ? 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) 
[ 34.089724][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4274) 
[ 34.089885][ C1] __run_timers (kernel/time/timer.c:1845 kernel/time/timer.c:2418) 
[ 34.090044][ C1] ? __pfx_addrconf_rs_timer (net/ipv6/addrconf.c:4016) 
[ 34.090204][ C1] ? __pfx___run_timers (kernel/time/timer.c:2389) 
[ 34.090362][ C1] ? 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) 
[ 34.090520][ C1] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 34.090680][ C1] ? lock_acquire (kernel/locking/lockdep.c:5727) 
[ 34.090937][ C1] ? run_timer_softirq (kernel/time/timer.c:2429 kernel/time/timer.c:2422 kernel/time/timer.c:2438 kernel/time/timer.c:2448) 
[ 34.091100][ C1] run_timer_softirq (kernel/time/timer.c:2430 kernel/time/timer.c:2422 kernel/time/timer.c:2438 kernel/time/timer.c:2448) 
[ 34.091259][ C1] __do_softirq (kernel/softirq.c:554) 
[ 34.091418][ C1] irq_exit_rcu (kernel/softirq.c:428 kernel/softirq.c:633 kernel/softirq.c:645) 
[ 34.091539][ C1] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[   34.091795][    C1]  </IRQ>
[   34.091877][    C1]  <TASK>
[ 34.091957][ C1] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 34.092157][ C1] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 34.092466][ C1] 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 ef 66 <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 ef 66 	decl   %gs:0x66efbf05(%rip)        # 0x66efbf2f
  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
[   34.093027][    C1] RSP: 0018:ffffc9000054f278 EFLAGS: 00000282
[   34.093332][    C1] RAX: 0000000000000006 RBX: 0000000000000200 RCX: 1ffffffff3863d4e
[   34.093727][    C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff99140911
[   34.093969][    C1] RBP: ffff88803ffdbb50 R08: 0000000000000001 R09: fffffbfff38638a4
[   34.094313][    C1] R10: ffffffff9c31c527 R11: 000000000000007e R12: ffff88803ffdb640
[   34.094548][    C1] R13: 0000000000000000 R14: ffffffffffffff82 R15: ffff88803ffdb640
[ 34.094786][ C1] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 34.094987][ C1] rmqueue_bulk (mm/page_alloc.c:2127 (discriminator 3)) 
[ 34.095158][ C1] ? __pfx_rmqueue_bulk (mm/page_alloc.c:2127) 
[ 34.095324][ C1] ? rmqueue (mm/page_alloc.c:2855 mm/page_alloc.c:2905) 
[ 34.095443][ C1] ? find_held_lock (kernel/locking/lockdep.c:5244) 
[ 34.095702][ C1] __rmqueue_pcplist (mm/page_alloc.c:2830) 
[ 34.095863][ C1] rmqueue (./include/linux/spinlock.h:391 mm/page_alloc.c:2869 mm/page_alloc.c:2905) 
[ 34.095982][ C1] ? validate_chain (./include/linux/hash.h:78 kernel/locking/lockdep.c:3759 kernel/locking/lockdep.c:3782 kernel/locking/lockdep.c:3837) 
[ 34.096140][ C1] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 34.096298][ C1] ? __kernel_text_address (kernel/extable.c:79) 
[ 34.096560][ C1] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 34.096717][ C1] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 34.096912][ C1] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) 
[ 34.097069][ C1] ? __pfx_rmqueue (mm/page_alloc.c:2895) 
[ 34.097325][ C1] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) 
[ 34.097454][ C1] get_page_from_freelist (mm/page_alloc.c:3316) 
[ 34.097618][ C1] ? find_held_lock (kernel/locking/lockdep.c:5244) 
[ 34.097774][ C1] __alloc_pages (mm/page_alloc.c:4576) 
[ 34.098032][ C1] ? __pfx___alloc_pages (mm/page_alloc.c:4541) 
[ 34.098189][ C1] ? 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) 
[ 34.098347][ C1] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) 
[ 34.098545][ C1] allocate_slab (./include/linux/gfp.h:238 ./include/linux/gfp.h:261 mm/slub.c:2175 mm/slub.c:2338) 
[ 34.098806][ C1] ? get_any_partial (./include/linux/gfp.h:151 ./include/linux/gfp.h:168 mm/slub.c:2663) 
[ 34.098964][ C1] ___slab_alloc (mm/slub.c:3525 (discriminator 3)) 
[ 34.099120][ C1] ? fill_pool (lib/debugobjects.c:168) 
[ 34.099276][ C1] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) 
[ 34.099540][ C1] ? 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) 
[ 34.099697][ C1] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) 
[ 34.099818][ C1] ? fill_pool (lib/debugobjects.c:168) 
[ 34.099973][ C1] ? kmem_cache_alloc (mm/slub.c:3610 mm/slub.c:3663 mm/slub.c:3835 mm/slub.c:3852) 
[ 34.100129][ C1] kmem_cache_alloc (mm/slub.c:3610 mm/slub.c:3663 mm/slub.c:3835 mm/slub.c:3852) 
[ 34.100391][ C1] ? validate_chain (kernel/locking/lockdep.c:3881) 
[ 34.100549][ C1] fill_pool (lib/debugobjects.c:168) 
[ 34.100674][ C1] ? __pfx_fill_pool (lib/debugobjects.c:128) 
[ 34.100832][ C1] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) 
[ 34.101103][ C1] ? debug_object_activate (lib/debugobjects.c:614 lib/debugobjects.c:704) 
[ 34.101262][ C1] ? lock_acquire (kernel/locking/lockdep.c:5727) 
[ 34.101421][ C1] ? debug_object_activate (lib/debugobjects.c:614 lib/debugobjects.c:704) 
[ 34.101580][ C1] ? debug_object_activate (lib/debugobjects.c:614 lib/debugobjects.c:704) 
[ 34.101738][ C1] debug_object_activate (lib/debugobjects.c:616 lib/debugobjects.c:704) 
[ 34.101893][ C1] ? debug_object_activate (lib/debugobjects.c:614 lib/debugobjects.c:704) 
[ 34.102051][ C1] ? __pfx_debug_object_activate (lib/debugobjects.c:695) 
[ 34.102250][ C1] ? __pfx___lock_release (kernel/locking/lockdep.c:5406) 
[ 34.102410][ C1] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) 
[ 34.102531][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4274) 
[ 34.102689][ C1] ? __pfx_free_object_rcu (mm/kmemleak.c:508) 
[ 34.102848][ C1] ? __call_rcu_common.constprop.0 (kernel/rcu/rcu.h:228 kernel/rcu/tree.c:2719) 
[ 34.103045][ C1] __call_rcu_common.constprop.0 (kernel/rcu/rcu.h:228 kernel/rcu/tree.c:2719) 
[ 34.103245][ C1] kmem_cache_free (./include/linux/kmemleak.h:48 mm/slub.c:2072 mm/slub.c:4280 mm/slub.c:4344) 
[ 34.103405][ C1] ? unlink_anon_vmas (mm/rmap.c:440) 
[ 34.103574][ C1] unlink_anon_vmas (mm/rmap.c:440) 
[ 34.103729][ C1] ? __up_write (./arch/x86/include/asm/atomic64_64.h:91 ./include/linux/atomic/atomic-arch-fallback.h:2852 ./include/linux/atomic/atomic-long.h:268 ./include/linux/atomic/atomic-instrumented.h:3391 kernel/locking/rwsem.c:1374) 
[ 34.103986][ C1] free_pgtables (mm/memory.c:385) 
[ 34.104147][ C1] exit_mmap (mm/mmap.c:3280) 
[ 34.104267][ C1] ? __pfx_exit_mmap (mm/mmap.c:3241) 
[ 34.104424][ C1] ? __mutex_unlock_slowpath (./arch/x86/include/asm/atomic64_64.h:109 ./include/linux/atomic/atomic-arch-fallback.h:4329 ./include/linux/atomic/atomic-long.h:1506 ./include/linux/atomic/atomic-instrumented.h:4481 kernel/locking/mutex.c:929) 
[ 34.104686][ C1] __mmput (kernel/fork.c:1412 (discriminator 2) kernel/fork.c:1347 (discriminator 2)) 
[ 34.104807][ C1] exit_mm (kernel/exit.c:570) 
[ 34.104928][ C1] do_exit (kernel/exit.c:868) 
[ 34.105050][ C1] ? 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) 
[ 34.105216][ C1] ? __pfx_do_exit (kernel/exit.c:819) 
[ 34.105473][ C1] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 34.105632][ C1] do_group_exit (kernel/exit.c:1008) 
[ 34.105792][ C1] __x64_sys_exit_group (kernel/exit.c:1036) 
[ 34.105949][ C1] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 34.106109][ C1] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) 
[   34.106407][    C1] RIP: 0033:0x7f8a743a0a8d
[ 34.106569][ C1] Code: Unable to access opcode bytes at 0x7f8a743a0a63.

Code starting with the faulting instruction
===========================================
[   34.106775][    C1] RSP: 002b:00007ffedf5bc098 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   34.107240][    C1] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8a743a0a8d
[   34.107475][    C1] RDX: 00000000000000e7 RSI: fffffffffffffe98 RDI: 0000000000000000
[   34.107710][    C1] RBP: 00007ffedf5bc140 R08: 0000558ecf038c30 R09: 0000000000000004
[   34.107948][    C1] R10: 0000000000000018 R11: 0000000000000246 R12: 00007ffedf5bc0f0


Finger prints:
dump_stack_lvl:mark_lock_irq:mark_lock:mark_usage