======================================
| [ 43.861050][ C1] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) 
| [   43.861238][    C1]
| [   43.861313][    C1]
| [   43.861313][    C1] stack backtrace:
[   43.861726][    C1] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   43.862173][    C1] Call Trace:
[   43.862288][    C1]  <IRQ>
[ 43.862367][ C1] dump_stack_lvl (lib/dump_stack.c:117) 
[ 43.862521][ C1] print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4024) 
[ 43.862710][ C1] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 43.862864][ C1] ? __pfx_print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4024) 
[ 43.863051][ C1] ? __pfx_usage_skip (kernel/locking/lockdep.c:2264) 
[ 43.863202][ C1] ? __pfx_usage_match (kernel/locking/lockdep.c:2256) 
[ 43.863451][ C1] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 43.863608][ C1] mark_lock_irq (kernel/locking/lockdep.c:4244) 
[ 43.863762][ C1] ? __pfx_mark_lock_irq (kernel/locking/lockdep.c:4207) 
[ 43.863912][ C1] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 43.864159][ C1] ? save_trace (kernel/locking/lockdep.c:586) 
[ 43.864308][ C1] mark_lock (kernel/locking/lockdep.c:4678) 
[ 43.864423][ C1] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 43.864573][ C1] mark_usage (kernel/locking/lockdep.c:4567) 
[ 43.864687][ C1] __lock_acquire (kernel/locking/lockdep.c:5091) 
[ 43.864938][ C1] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) 
[ 43.865090][ C1] ? __pfx_addrconf_rs_timer (net/ipv6/addrconf.c:4016) 
[ 43.865238][ C1] lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) 
[ 43.865388][ C1] ? addrconf_rs_timer (net/ipv6/addrconf.c:4023) 
[ 43.865631][ C1] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) 
[ 43.865782][ C1] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) 
[ 43.865933][ C1] ? addrconf_rs_timer (net/ipv6/addrconf.c:4023) 
[ 43.866081][ C1] ? lock_acquire (kernel/locking/lockdep.c:5727) 
[ 43.866332][ C1] ? addrconf_rs_timer (net/ipv6/addrconf.c:4023) 
[ 43.866481][ C1] _raw_write_lock (./include/linux/rwlock_api_smp.h:210 kernel/locking/spinlock.c:300) 
[ 43.866631][ C1] ? addrconf_rs_timer (net/ipv6/addrconf.c:4023) 
[ 43.866785][ C1] addrconf_rs_timer (net/ipv6/addrconf.c:4023) 
[ 43.867063][ C1] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) 
[ 43.867215][ C1] ? __pfx_addrconf_rs_timer (net/ipv6/addrconf.c:4016) 
[ 43.867365][ C1] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1783) 
[ 43.867528][ C1] ? lock_acquire (kernel/locking/lockdep.c:5727) 
[ 43.867686][ C1] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1783) 
[ 43.867937][ C1] ? __pfx_addrconf_rs_timer (net/ipv6/addrconf.c:4016) 
[ 43.868088][ C1] call_timer_fn (kernel/time/timer.c:1793) 
[ 43.868237][ C1] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1783) 
[ 43.868388][ C1] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1783) 
[ 43.868633][ C1] ? __pfx_call_timer_fn (kernel/time/timer.c:1770) 
[ 43.868786][ 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) 
[ 43.868935][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4274) 
[ 43.869092][ C1] __run_timers (kernel/time/timer.c:1845 kernel/time/timer.c:2418) 
[ 43.869352][ C1] ? __pfx_addrconf_rs_timer (net/ipv6/addrconf.c:4016) 
[ 43.869523][ C1] ? __pfx___run_timers (kernel/time/timer.c:2389) 
[ 43.869673][ C1] ? __lock_release (kernel/locking/lockdep.c:5430) 
[ 43.869828][ 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) 
[ 43.870074][ C1] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 43.870230][ C1] ? lock_acquire (kernel/locking/lockdep.c:5727) 
[ 43.870380][ C1] ? timer_expire_remote (kernel/time/timer.c:2429 kernel/time/timer.c:2422 kernel/time/timer.c:2181) 
[ 43.870536][ C1] timer_expire_remote (kernel/time/timer.c:2430 kernel/time/timer.c:2422 kernel/time/timer.c:2181) 
[ 43.870704][ C1] 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) 
[ 43.870959][ C1] ? __pfx_tmigr_handle_remote_cpu (kernel/time/timer_migration.c:869) 
[ 43.871142][ 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) 
[ 43.871291][ C1] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) 
[ 43.871403][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4274) 
[ 43.871647][ C1] tmigr_handle_remote_up (kernel/time/timer_migration.c:1003) 
[ 43.871796][ C1] tmigr_handle_remote (kernel/time/timer_migration.c:488 kernel/time/timer_migration.c:1061) 
[ 43.871947][ C1] ? __pfx_tmigr_handle_remote (kernel/time/timer_migration.c:1026) 
[ 43.872101][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4274) 
[ 43.872354][ C1] __do_softirq (kernel/softirq.c:554) 
[ 43.872512][ C1] irq_exit_rcu (kernel/softirq.c:428 kernel/softirq.c:633 kernel/softirq.c:645) 
[ 43.872627][ C1] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[   43.872784][    C1]  </IRQ>
[   43.872866][    C1]  <TASK>
[ 43.872947][ C1] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 43.873235][ C1] RIP: 0010:unwind_next_frame (arch/x86/kernel/unwind_orc.c:469) 
[ 43.873419][ C1] Code: 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 0f 1f 44 00 00 48 ba 00 00 00 00 00 fc ff df 41 57 41 56 <41> 55 49 89 fd 41 54 55 53 48 81 ec c8 00 00 00 48 c7 44 24 48 b3
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	00 90 90 90 90 90    	add    %dl,-0x6f6f6f70(%rax)
   8:	90                   	nop
   9:	90                   	nop
   a:	90                   	nop
   b:	90                   	nop
   c:	90                   	nop
   d:	90                   	nop
   e:	90                   	nop
   f:	90                   	nop
  10:	90                   	nop
  11:	90                   	nop
  12:	90                   	nop
  13:	f3 0f 1e fa          	endbr64
  17:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  1c:	48 ba 00 00 00 00 00 	movabs $0xdffffc0000000000,%rdx
  23:	fc ff df 
  26:	41 57                	push   %r15
  28:	41 56                	push   %r14
  2a:*	41 55                	push   %r13		<-- trapping instruction
  2c:	49 89 fd             	mov    %rdi,%r13
  2f:	41 54                	push   %r12
  31:	55                   	push   %rbp
  32:	53                   	push   %rbx
  33:	48 81 ec c8 00 00 00 	sub    $0xc8,%rsp
  3a:	48                   	rex.W
  3b:	c7                   	.byte 0xc7
  3c:	44 24 48             	rex.R and $0x48,%al
  3f:	b3                   	.byte 0xb3

Code starting with the faulting instruction
===========================================
   0:	41 55                	push   %r13
   2:	49 89 fd             	mov    %rdi,%r13
   5:	41 54                	push   %r12
   7:	55                   	push   %rbp
   8:	53                   	push   %rbx
   9:	48 81 ec c8 00 00 00 	sub    $0xc8,%rsp
  10:	48                   	rex.W
  11:	c7                   	.byte 0xc7
  12:	44 24 48             	rex.R and $0x48,%al
  15:	b3                   	.byte 0xb3
[   43.874130][    C1] RSP: 0018:ffffc9000097f850 EFLAGS: 00000202
[   43.874332][    C1] RAX: 0000000000000001 RBX: ffffffff9d3c8260 RCX: ffffc90000980001
[   43.874560][    C1] RDX: dffffc0000000000 RSI: ffffffff9d1a78f6 RDI: ffffc9000097f868
[   43.874783][    C1] RBP: ffffc9000097f900 R08: ffffc9000097f8a8 R09: fffff5200012fef6
[   43.875014][    C1] R10: ffffc9000097f868 R11: ffffc9000097f8a9 R12: ffffc9000097f930
[   43.875336][    C1] R13: 0000000000000000 R14: ffff8880060a2300 R15: 0000000000000000
[ 43.875565][ C1] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 43.875751][ C1] ? do_exit (kernel/exit.c:868) 
[ 43.875864][ C1] arch_stack_walk (arch/x86/kernel/stacktrace.c:24) 
[ 43.876111][ C1] ? do_exit (kernel/exit.c:868) 
[ 43.876229][ C1] stack_trace_save (kernel/stacktrace.c:123) 
[ 43.876381][ C1] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 43.876531][ C1] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) 
[ 43.876680][ 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) 
[ 43.876929][ C1] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) 
[ 43.877042][ C1] kasan_save_stack (mm/kasan/common.c:48) 
[ 43.877192][ C1] ? kasan_save_stack (mm/kasan/common.c:48) 
[ 43.877342][ C1] ? __kasan_record_aux_stack (mm/kasan/generic.c:541) 
[ 43.877603][ C1] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:67 ./arch/x86/include/asm/irqflags.h:103 kernel/rcu/tree.c:2735) 
[ 43.877795][ C1] ? kmem_cache_free (./include/linux/kmemleak.h:48 mm/slub.c:2072 mm/slub.c:4280 mm/slub.c:4344) 
[ 43.877945][ C1] ? exit_mmap (mm/mmap.c:3293) 
[ 43.878097][ C1] ? __mmput (kernel/fork.c:1412 (discriminator 2) kernel/fork.c:1347 (discriminator 2)) 
[ 43.878305][ C1] ? exit_mm (kernel/exit.c:570) 
[ 43.878423][ C1] ? do_exit (kernel/exit.c:868) 
[ 43.878538][ C1] ? debug_object_active_state (lib/debugobjects.c:950) 
[ 43.878731][ C1] ? find_held_lock (kernel/locking/lockdep.c:5244) 
[ 43.878883][ C1] ? __lock_release (kernel/locking/lockdep.c:5430) 
[ 43.879132][ C1] ? __virt_addr_valid (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:894 ./include/linux/mmzone.h:2029 arch/x86/mm/physaddr.c:65) 
[ 43.879285][ C1] ? __pfx___lock_release (kernel/locking/lockdep.c:5406) 
[ 43.879439][ C1] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) 
[ 43.879592][ C1] ? __virt_addr_valid (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:894 ./include/linux/mmzone.h:2029 arch/x86/mm/physaddr.c:65) 
[ 43.879838][ C1] ? __virt_addr_valid (./arch/x86/include/asm/preempt.h:94 ./include/linux/rcupdate.h:896 ./include/linux/mmzone.h:2029 arch/x86/mm/physaddr.c:65) 
[ 43.879986][ C1] ? __pfx_free_object_rcu (mm/kmemleak.c:508) 
[ 43.880137][ C1] ? kasan_addr_to_slab (./arch/x86/include/asm/bitops.h:206 ./arch/x86/include/asm/bitops.h:238 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 ./include/linux/page-flags.h:507 mm/kasan/../slab.h:206 mm/kasan/common.c:38) 
[ 43.880291][ C1] __kasan_record_aux_stack (mm/kasan/generic.c:541) 
[ 43.880538][ C1] ? __pfx_free_object_rcu (mm/kmemleak.c:508) 
[ 43.880686][ C1] __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:67 ./arch/x86/include/asm/irqflags.h:103 kernel/rcu/tree.c:2735) 
[ 43.880871][ C1] kmem_cache_free (./include/linux/kmemleak.h:48 mm/slub.c:2072 mm/slub.c:4280 mm/slub.c:4344) 
[ 43.881040][ C1] ? exit_mmap (mm/mmap.c:3293) 
[ 43.881286][ C1] exit_mmap (mm/mmap.c:3293) 
[ 43.881405][ C1] ? __pfx_exit_mmap (mm/mmap.c:3241) 
[ 43.881555][ 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) 
[ 43.881715][ C1] __mmput (kernel/fork.c:1412 (discriminator 2) kernel/fork.c:1347 (discriminator 2)) 
[ 43.881830][ C1] exit_mm (kernel/exit.c:570) 
[ 43.882039][ C1] do_exit (kernel/exit.c:868) 
[ 43.882153][ 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) 
[ 43.882301][ C1] ? __pfx_do_exit (kernel/exit.c:819) 
[ 43.882453][ C1] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 43.882603][ C1] do_group_exit (kernel/exit.c:1008) 
[ 43.882848][ C1] __x64_sys_exit_group (kernel/exit.c:1036) 
[ 43.882998][ C1] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 43.883154][ C1] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) 
[   43.883343][    C1] RIP: 0033:0x7fa207b98a8d
[ 43.883607][ C1] Code: Unable to access opcode bytes at 0x7fa207b98a63.

Code starting with the faulting instruction
===========================================
[   43.883803][    C1] RSP: 002b:00007ffc46334b68 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   43.884032][    C1] RAX: ffffffffffffffda RBX: 00007fa207c759c0 RCX: 00007fa207b98a8d
[   43.884353][    C1] RDX: 00000000000000e7 RSI: fffffffffffffe90 RDI: 0000000000000000
[   43.884581][    C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000058
[   43.884802][    C1] R10: 00007ffc46334990 R11: 0000000000000246 R12: 00007fa207c759c0


Finger prints:
dump_stack_lvl:mark_lock_irq:mark_lock:mark_usage