======================================
| [ 25.798950][ C0] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) 
| [   25.799240][    C0]
| [   25.799318][    C0]
| [   25.799318][    C0] stack backtrace:
[   25.799778][    C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   25.800223][    C0] Call Trace:
[   25.800351][    C0]  <IRQ>
[ 25.800431][ C0] dump_stack_lvl (lib/dump_stack.c:117) 
[ 25.800588][ C0] print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4024) 
[ 25.800880][ C0] ? __pfx_print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4024) 
[ 25.801073][ C0] ? __pfx_usage_skip (kernel/locking/lockdep.c:2264) 
[ 25.801228][ C0] ? __pfx_usage_match (kernel/locking/lockdep.c:2256) 
[ 25.801382][ C0] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 25.801638][ C0] mark_lock_irq (kernel/locking/lockdep.c:4244) 
[ 25.801802][ C0] ? __pfx_mark_lock_irq (kernel/locking/lockdep.c:4207) 
[ 25.801958][ C0] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 25.802112][ C0] ? add_chain_cache (kernel/locking/lockdep.c:3730) 
[ 25.802366][ C0] ? save_trace (kernel/locking/lockdep.c:586) 
[ 25.802524][ C0] mark_lock (kernel/locking/lockdep.c:4678) 
[ 25.802642][ C0] mark_usage (kernel/locking/lockdep.c:4567) 
[ 25.802760][ C0] __lock_acquire (kernel/locking/lockdep.c:5091) 
[ 25.802916][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5137) 
[ 25.803174][ C0] ? __pfx_br_forward_delay_timer_expired (net/bridge/br_stp_timer.c:80) 
[ 25.803368][ C0] lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) 
[ 25.803522][ C0] ? br_forward_delay_timer_expired (net/bridge/br_stp_timer.c:87) 
[ 25.803811][ C0] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) 
[ 25.803966][ C0] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) 
[ 25.804121][ C0] ? br_forward_delay_timer_expired (net/bridge/br_stp_timer.c:87) 
[ 25.804311][ C0] ? lock_acquire (kernel/locking/lockdep.c:5727) 
[ 25.804473][ C0] ? br_forward_delay_timer_expired (net/bridge/br_stp_timer.c:87) 
[ 25.804671][ C0] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) 
[ 25.804826][ C0] ? br_forward_delay_timer_expired (net/bridge/br_stp_timer.c:87) 
[ 25.805015][ C0] br_forward_delay_timer_expired (net/bridge/br_stp_timer.c:87) 
[ 25.805304][ C0] ? __pfx_br_forward_delay_timer_expired (net/bridge/br_stp_timer.c:80) 
[ 25.805494][ C0] call_timer_fn (kernel/time/timer.c:1793) 
[ 25.805647][ C0] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1783) 
[ 25.805801][ C0] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1783) 
[ 25.806058][ C0] ? __pfx_call_timer_fn (kernel/time/timer.c:1770) 
[ 25.806215][ C0] ? 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) 
[ 25.806367][ C0] ? mark_held_locks (kernel/locking/lockdep.c:4274) 
[ 25.806523][ C0] __run_timers (kernel/time/timer.c:1845 kernel/time/timer.c:2418) 
[ 25.806773][ C0] ? __pfx_br_forward_delay_timer_expired (net/bridge/br_stp_timer.c:80) 
[ 25.806966][ C0] ? __pfx___run_timers (kernel/time/timer.c:2389) 
[ 25.807120][ C0] ? __lock_release (kernel/locking/lockdep.c:5430) 
[ 25.807273][ C0] ? 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) 
[ 25.807525][ C0] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 25.807681][ C0] ? lock_acquire (kernel/locking/lockdep.c:5727) 
[ 25.807833][ C0] ? timer_expire_remote (kernel/time/timer.c:2429 kernel/time/timer.c:2422 kernel/time/timer.c:2181) 
[ 25.807988][ C0] timer_expire_remote (kernel/time/timer.c:2430 kernel/time/timer.c:2422 kernel/time/timer.c:2181) 
[ 25.808259][ C0] 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) 
[ 25.808415][ C0] ? __pfx_tmigr_handle_remote_cpu (kernel/time/timer_migration.c:869) 
[ 25.808605][ C0] ? 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) 
[ 25.808758][ C0] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) 
[ 25.808875][ C0] ? mark_held_locks (kernel/locking/lockdep.c:4274) 
[ 25.809129][ C0] tmigr_handle_remote_up (kernel/time/timer_migration.c:1003) 
[ 25.809284][ C0] tmigr_handle_remote (kernel/time/timer_migration.c:488 kernel/time/timer_migration.c:1061) 
[ 25.809437][ C0] ? __pfx_tmigr_handle_remote (kernel/time/timer_migration.c:1026) 
[ 25.809591][ C0] ? mark_held_locks (kernel/locking/lockdep.c:4274) 
[ 25.809845][ C0] __do_softirq (kernel/softirq.c:554) 
[ 25.810002][ C0] irq_exit_rcu (kernel/softirq.c:428 kernel/softirq.c:633 kernel/softirq.c:645) 
[ 25.810119][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[   25.810272][    C0]  </IRQ>
[   25.810355][    C0]  <TASK>
[ 25.810629][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 25.810823][ C0] RIP: 0010:lock_acquire.part.0 (kernel/locking/lockdep.c:5719) 
[ 25.811025][ C0] Code: ff 48 83 c4 28 65 0f c1 05 84 34 33 67 83 f8 01 0f 85 b5 01 00 00 9c 58 f6 c4 02 0f 85 be 01 00 00 48 85 ed 0f 85 9b 01 00 00 <48> b8 00 00 00 00 00 fc ff df 48 01 c3 48 c7 03 00 00 00 00 48 c7
All code
========
   0:	ff 48 83             	decl   -0x7d(%rax)
   3:	c4                   	(bad)
   4:	28 65 0f             	sub    %ah,0xf(%rbp)
   7:	c1 05 84 34 33 67 83 	roll   $0x83,0x67333484(%rip)        # 0x67333492
   e:	f8                   	clc
   f:	01 0f                	add    %ecx,(%rdi)
  11:	85 b5 01 00 00 9c    	test   %esi,-0x63ffffff(%rbp)
  17:	58                   	pop    %rax
  18:	f6 c4 02             	test   $0x2,%ah
  1b:	0f 85 be 01 00 00    	jne    0x1df
  21:	48 85 ed             	test   %rbp,%rbp
  24:	0f 85 9b 01 00 00    	jne    0x1c5
  2a:*	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax		<-- trapping instruction
  31:	fc ff df 
  34:	48 01 c3             	add    %rax,%rbx
  37:	48 c7 03 00 00 00 00 	movq   $0x0,(%rbx)
  3e:	48                   	rex.W
  3f:	c7                   	.byte 0xc7

Code starting with the faulting instruction
===========================================
   0:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   7:	fc ff df 
   a:	48 01 c3             	add    %rax,%rbx
   d:	48 c7 03 00 00 00 00 	movq   $0x0,(%rbx)
  14:	48                   	rex.W
  15:	c7                   	.byte 0xc7
[   25.811672][    C0] RSP: 0018:ffffc90000d4f718 EFLAGS: 00000206
[   25.811872][    C0] RAX: 0000000000000046 RBX: 1ffff920001a9ee6 RCX: 0000000000000001
[   25.812202][    C0] RDX: 1ffff11000fda14d RSI: ffff888007ed0a98 RDI: ffff888007ed0aba
[   25.812432][    C0] RBP: 0000000000000200 R08: 0000000000000000 R09: ffff888007ed0a98
[   25.812662][    C0] R10: 1ffff920001a9eb8 R11: ffffc90000d4f8a9 R12: ffffffff9c5522e0
[   25.813014][    C0] R13: 0000000000000000 R14: ffff888007ed0040 R15: 0000000000000000
[ 25.813252][ C0] ? get_reg (arch/x86/kernel/unwind_orc.c:456 (discriminator 2)) 
[ 25.813370][ C0] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) 
[ 25.813525][ C0] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) 
[ 25.813682][ C0] ? __is_insn_slot_addr (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 kernel/kprobes.c:301) 
[ 25.813838][ C0] ? lock_acquire (kernel/locking/lockdep.c:5727) 
[ 25.813992][ C0] ? __is_insn_slot_addr (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 kernel/kprobes.c:301) 
[ 25.814148][ C0] __is_insn_slot_addr (./include/linux/rcupdate.h:782 kernel/kprobes.c:301) 
[ 25.814400][ C0] ? __is_insn_slot_addr (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 kernel/kprobes.c:301) 
[ 25.814558][ C0] kernel_text_address (kernel/extable.c:123 kernel/extable.c:94) 
[ 25.814714][ C0] __kernel_text_address (kernel/extable.c:79) 
[ 25.814876][ C0] unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 25.815126][ C0] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 25.815317][ C0] arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 25.815478][ C0] stack_trace_save (kernel/stacktrace.c:123) 
[ 25.815631][ C0] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 25.815899][ C0] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) 
[ 25.816052][ C0] ? 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) 
[ 25.816206][ C0] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) 
[ 25.816323][ C0] kasan_save_stack (mm/kasan/common.c:48) 
[ 25.816477][ C0] ? kasan_save_stack (mm/kasan/common.c:48) 
[ 25.816631][ C0] ? __kasan_record_aux_stack (mm/kasan/generic.c:541) 
[ 25.816784][ C0] ? __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) 
[ 25.816976][ C0] ? kmem_cache_free (./include/linux/kmemleak.h:48 mm/slub.c:2072 mm/slub.c:4280 mm/slub.c:4344) 
[ 25.817131][ C0] ? exit_mmap (mm/mmap.c:3293) 
[ 25.817391][ C0] ? __mmput (kernel/fork.c:1412 (discriminator 2) kernel/fork.c:1347 (discriminator 2)) 
[ 25.817516][ C0] ? exit_mm (kernel/exit.c:570) 
[ 25.817633][ C0] ? do_exit (kernel/exit.c:868) 
[ 25.817749][ C0] ? do_group_exit (kernel/exit.c:1008) 
[ 25.817903][ C0] ? __x64_sys_exit_group (kernel/exit.c:1036) 
[ 25.818168][ C0] ? do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 25.818323][ C0] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) 
[ 25.818517][ C0] ? find_held_lock (kernel/locking/lockdep.c:5244) 
[ 25.818686][ C0] ? __lock_release (kernel/locking/lockdep.c:5430) 
[ 25.818947][ C0] ? __virt_addr_valid (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:894 ./include/linux/mmzone.h:2029 arch/x86/mm/physaddr.c:65) 
[ 25.819100][ C0] ? __pfx___lock_release (kernel/locking/lockdep.c:5406) 
[ 25.819253][ C0] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) 
[ 25.819408][ C0] ? __virt_addr_valid (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:894 ./include/linux/mmzone.h:2029 arch/x86/mm/physaddr.c:65) 
[ 25.819565][ C0] ? __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) 
[ 25.819719][ C0] ? __pfx_free_object_rcu (mm/kmemleak.c:508) 
[ 25.819874][ C0] ? 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) 
[ 25.820031][ C0] __kasan_record_aux_stack (mm/kasan/generic.c:541) 
[ 25.820285][ C0] ? __pfx_free_object_rcu (mm/kmemleak.c:508) 
[ 25.820445][ C0] __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) 
[ 25.820637][ C0] kmem_cache_free (./include/linux/kmemleak.h:48 mm/slub.c:2072 mm/slub.c:4280 mm/slub.c:4344) 
[ 25.820790][ C0] ? exit_mmap (mm/mmap.c:3293) 
[ 25.821040][ C0] exit_mmap (mm/mmap.c:3293) 
[ 25.821157][ C0] ? __pfx_exit_mmap (mm/mmap.c:3241) 
[ 25.821311][ C0] ? __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) 
[ 25.821472][ C0] __mmput (kernel/fork.c:1412 (discriminator 2) kernel/fork.c:1347 (discriminator 2)) 
[ 25.821588][ C0] exit_mm (kernel/exit.c:570) 
[ 25.821804][ C0] do_exit (kernel/exit.c:868) 
[ 25.821920][ C0] ? 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) 
[ 25.822072][ C0] ? __pfx_do_exit (kernel/exit.c:819) 
[ 25.822225][ C0] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 25.822391][ C0] do_group_exit (kernel/exit.c:1008) 
[ 25.822765][ C0] __x64_sys_exit_group (kernel/exit.c:1036) 
[ 25.822941][ C0] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 25.823117][ C0] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) 
[   25.823325][    C0] RIP: 0033:0x7f0a957e3a8d
[ 25.823604][ C0] Code: Unable to access opcode bytes at 0x7f0a957e3a63.

Code starting with the faulting instruction
===========================================
[   25.823819][    C0] RSP: 002b:00007ffeb5f920b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   25.824071][    C0] RAX: ffffffffffffffda RBX: 00007f0a958c09c0 RCX: 00007f0a957e3a8d
[   25.824411][    C0] RDX: 00000000000000e7 RSI: fffffffffffffe90 RDI: 0000000000000000
[   25.824651][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000058
[   25.824881][    C0] R10: 00007ffeb5f91ee0 R11: 0000000000000246 R12: 00007f0a958c09c0


Finger prints:
dump_stack_lvl:mark_lock_irq:mark_lock:mark_usage