======================================
| [ 52.089943][ C3] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) 
| [   52.090140][    C3]
| [   52.090217][    C3]
| [   52.090217][    C3] stack backtrace:
[   52.090664][    C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   52.091062][    C3] Call Trace:
[   52.091406][    C3]  <IRQ>
[ 52.091487][ C3] dump_stack_lvl (lib/dump_stack.c:117) 
[ 52.091647][ C3] print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4024) 
[ 52.091840][ C3] ? __pfx_print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4024) 
[ 52.092037][ C3] ? __pfx_usage_skip (kernel/locking/lockdep.c:2264) 
[ 52.092196][ C3] ? __pfx_usage_match (kernel/locking/lockdep.c:2256) 
[ 52.092358][ C3] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 52.092517][ C3] mark_lock_irq (kernel/locking/lockdep.c:4244) 
[ 52.092673][ C3] ? __pfx_mark_lock_irq (kernel/locking/lockdep.c:4207) 
[ 52.092827][ C3] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 52.092985][ C3] ? add_chain_cache (kernel/locking/lockdep.c:3730) 
[ 52.093139][ C3] ? save_trace (kernel/locking/lockdep.c:586) 
[ 52.093298][ C3] mark_lock (kernel/locking/lockdep.c:4678) 
[ 52.093418][ C3] mark_usage (kernel/locking/lockdep.c:4567) 
[ 52.093540][ C3] __lock_acquire (kernel/locking/lockdep.c:5091) 
[ 52.093695][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5137) 
[ 52.093852][ C3] ? __pfx_br_forward_delay_timer_expired (net/bridge/br_stp_timer.c:80) bridge
[ 52.094226][ C3] lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) 
[ 52.094428][ C3] ? br_forward_delay_timer_expired (net/bridge/br_stp_timer.c:87) bridge
[ 52.094659][ C3] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) 
[ 52.094815][ C3] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) 
[ 52.095067][ C3] ? br_forward_delay_timer_expired (net/bridge/br_stp_timer.c:87) bridge
[ 52.095304][ C3] ? lock_acquire (kernel/locking/lockdep.c:5727) 
[ 52.095459][ C3] ? br_forward_delay_timer_expired (net/bridge/br_stp_timer.c:87) bridge
[ 52.095690][ C3] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) 
[ 52.095946][ C3] ? br_forward_delay_timer_expired (net/bridge/br_stp_timer.c:87) bridge
[ 52.096179][ C3] br_forward_delay_timer_expired (net/bridge/br_stp_timer.c:87) bridge
[ 52.096412][ C3] ? __pfx_br_forward_delay_timer_expired (net/bridge/br_stp_timer.c:80) bridge
[ 52.096798][ C3] call_timer_fn (kernel/time/timer.c:1793) 
[ 52.096954][ C3] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1783) 
[ 52.097123][ C3] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1783) 
[ 52.097285][ C3] ? __pfx_call_timer_fn (kernel/time/timer.c:1770) 
[ 52.097554][ 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) 
[ 52.097710][ C3] ? mark_held_locks (kernel/locking/lockdep.c:4274) 
[ 52.097879][ C3] __run_timers (kernel/time/timer.c:1845 kernel/time/timer.c:2418) 
[ 52.098034][ C3] ? __pfx_br_forward_delay_timer_expired (net/bridge/br_stp_timer.c:80) bridge
[ 52.098468][ C3] ? __pfx___run_timers (kernel/time/timer.c:2389) 
[ 52.098639][ 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) 
[ 52.098792][ C3] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 52.098947][ C3] ? lock_acquire (kernel/locking/lockdep.c:5727) 
[ 52.099124][ C3] ? run_timer_softirq (kernel/time/timer.c:2429 kernel/time/timer.c:2422 kernel/time/timer.c:2438 kernel/time/timer.c:2448) 
[ 52.099286][ C3] run_timer_softirq (kernel/time/timer.c:2430 kernel/time/timer.c:2422 kernel/time/timer.c:2438 kernel/time/timer.c:2448) 
[ 52.099484][ C3] __do_softirq (kernel/softirq.c:554) 
[ 52.099644][ C3] irq_exit_rcu (kernel/softirq.c:428 kernel/softirq.c:633 kernel/softirq.c:645) 
[ 52.099761][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[   52.099931][    C3]  </IRQ>
[   52.100012][    C3]  <TASK>
[ 52.100090][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 52.100332][ C3] RIP: 0010:unwind_next_frame (arch/x86/kernel/unwind_orc.c:665) 
[ 52.100531][ C3] Code: 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 84 40 fe ff ff e8 41 06 84 00 e9 36 fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 8b 14 24 <48> c1 ea 03 80 3c 02 00 0f 85 32 06 00 00 49 8d 7d 08 49 8b 5d 48
All code
========
   0:	00 fc                	add    %bh,%ah
   2:	ff                   	(bad)
   3:	df 48 c1             	fisttps -0x3f(%rax)
   6:	ea                   	(bad)
   7:	03 80 3c 02 00 0f    	add    0xf00023c(%rax),%eax
   d:	84 40 fe             	test   %al,-0x2(%rax)
  10:	ff                   	(bad)
  11:	ff                   	(bad)
  12:	e8 41 06 84 00       	call   0x840658
  17:	e9 36 fe ff ff       	jmp    0xfffffffffffffe52
  1c:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  23:	fc ff df 
  26:	48 8b 14 24          	mov    (%rsp),%rdx
  2a:*	48 c1 ea 03          	shr    $0x3,%rdx		<-- trapping instruction
  2e:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1)
  32:	0f 85 32 06 00 00    	jne    0x66a
  38:	49 8d 7d 08          	lea    0x8(%r13),%rdi
  3c:	49 8b 5d 48          	mov    0x48(%r13),%rbx

Code starting with the faulting instruction
===========================================
   0:	48 c1 ea 03          	shr    $0x3,%rdx
   4:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1)
   8:	0f 85 32 06 00 00    	jne    0x640
   e:	49 8d 7d 08          	lea    0x8(%r13),%rdi
  12:	49 8b 5d 48          	mov    0x48(%r13),%rbx
[   52.101103][    C3] RSP: 0018:ffffc9000085f478 EFLAGS: 00000246
[   52.101433][    C3] RAX: dffffc0000000000 RBX: 0000000000000001 RCX: ffffc90000860000
[   52.101681][    C3] RDX: ffffc9000085f5c0 RSI: 0000000000000001 RDI: ffffc9000085f5c8
[   52.101927][    C3] RBP: dffffc0000000000 R08: ffffc9000085f5b8 R09: 1ffff9200010be98
[   52.102160][    C3] R10: ffffc9000085f578 R11: ffffc9000085f5b9 R12: 1ffff9200010be98
[   52.102433][    C3] R13: ffffc9000085f578 R14: ffffffffae59a320 R15: ffffc9000085fe28
[ 52.102690][ C3] ? unwind_next_frame (arch/x86/kernel/unwind_orc.c:406 arch/x86/kernel/unwind_orc.c:648) 
[ 52.102845][ C3] ? search_binary_handler (fs/exec.c:1778) 
[ 52.103017][ C3] ? __pfx_unwind_next_frame (arch/x86/kernel/unwind_orc.c:469) 
[ 52.103187][ C3] ? search_binary_handler (fs/exec.c:1778) 
[ 52.103346][ C3] ? kernel_text_address (kernel/extable.c:99) 
[ 52.103616][ C3] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 52.103812][ C3] arch_stack_walk (arch/x86/kernel/stacktrace.c:24) 
[ 52.103980][ C3] ? exec_binprm (fs/exec.c:1821) 
[ 52.104138][ C3] stack_trace_save (kernel/stacktrace.c:123) 
[ 52.104424][ C3] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 52.104580][ C3] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) 
[ 52.104735][ 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) 
[ 52.104898][ C3] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) 
[ 52.105017][ C3] kasan_save_stack (mm/kasan/common.c:48) 
[ 52.105180][ C3] ? kasan_save_stack (mm/kasan/common.c:48) 
[ 52.105352][ C3] ? __kasan_record_aux_stack (mm/kasan/generic.c:541) 
[ 52.105512][ C3] ? __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) 
[ 52.105718][ C3] ? kmem_cache_free (./include/linux/kmemleak.h:48 mm/slub.c:2072 mm/slub.c:4280 mm/slub.c:4344) 
[ 52.105885][ C3] ? exit_mmap (mm/mmap.c:3293) 
[ 52.106040][ C3] ? __mmput (kernel/fork.c:1412 (discriminator 2) kernel/fork.c:1347 (discriminator 2)) 
[ 52.106170][ C3] ? exec_mmap (fs/exec.c:1057) 
[ 52.106363][ C3] ? begin_new_exec (fs/exec.c:1310) 
[ 52.106539][ C3] ? load_elf_binary (fs/binfmt_elf.c:997) 
[ 52.106701][ C3] ? search_binary_handler (fs/exec.c:1778) 
[ 52.106871][ C3] ? find_held_lock (kernel/locking/lockdep.c:5244) 
[ 52.107025][ C3] ? __lock_release (kernel/locking/lockdep.c:5430) 
[ 52.107196][ C3] ? __virt_addr_valid (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:894 ./include/linux/mmzone.h:2029 arch/x86/mm/physaddr.c:65) 
[ 52.107547][ C3] ? __pfx___lock_release (kernel/locking/lockdep.c:5406) 
[ 52.107706][ C3] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) 
[ 52.107862][ C3] ? __virt_addr_valid (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:894 ./include/linux/mmzone.h:2029 arch/x86/mm/physaddr.c:65) 
[ 52.108031][ C3] ? __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) 
[ 52.108216][ C3] ? __pfx_free_object_rcu (mm/kmemleak.c:508) 
[ 52.108392][ C3] ? 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) 
[ 52.108545][ C3] __kasan_record_aux_stack (mm/kasan/generic.c:541) 
[ 52.108706][ C3] ? __pfx_free_object_rcu (mm/kmemleak.c:508) 
[ 52.108861][ C3] __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) 
[ 52.109053][ C3] kmem_cache_free (./include/linux/kmemleak.h:48 mm/slub.c:2072 mm/slub.c:4280 mm/slub.c:4344) 
[ 52.109209][ C3] ? exit_mmap (mm/mmap.c:3293) 
[ 52.109376][ C3] exit_mmap (mm/mmap.c:3293) 
[ 52.109495][ C3] ? __pfx_exit_mmap (mm/mmap.c:3241) 
[ 52.109649][ C3] ? __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) 
[ 52.109812][ C3] __mmput (kernel/fork.c:1412 (discriminator 2) kernel/fork.c:1347 (discriminator 2)) 
[ 52.109928][ C3] exec_mmap (fs/exec.c:1057) 
[ 52.110047][ C3] begin_new_exec (fs/exec.c:1310) 
[ 52.110314][ C3] load_elf_binary (fs/binfmt_elf.c:997) 
[ 52.110505][ C3] ? find_held_lock (kernel/locking/lockdep.c:5244) 
[ 52.110662][ C3] ? __lock_release (kernel/locking/lockdep.c:5430) 
[ 52.110851][ C3] ? search_binary_handler (fs/exec.c:1778) 
[ 52.111255][ C3] ? __pfx___lock_release (kernel/locking/lockdep.c:5406) 
[ 52.111452][ C3] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) 
[ 52.111623][ C3] ? __pfx_load_elf_binary (fs/binfmt_elf.c:820) 
[ 52.111780][ C3] ? search_binary_handler (fs/exec.c:1778) 
[ 52.111945][ C3] search_binary_handler (fs/exec.c:1778) 
[ 52.112195][ C3] ? __pfx_search_binary_handler (fs/exec.c:1757) 
[ 52.112408][ C3] ? __task_pid_nr_ns (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 kernel/pid.c:514) 
[ 52.112567][ C3] ? exec_binprm (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 fs/exec.c:1812) 
[ 52.112736][ C3] exec_binprm (fs/exec.c:1821) 
[ 52.112988][ C3] bprm_execve (fs/exec.c:1872 fs/exec.c:1848) 
[ 52.113114][ C3] do_execveat_common.isra.0 (fs/exec.c:1979) 
[ 52.113271][ C3] ? getname_flags (./arch/x86/include/asm/atomic.h:28 ./include/linux/atomic/atomic-arch-fallback.h:503 ./include/linux/atomic/atomic-instrumented.h:68 fs/namei.c:190) 
[ 52.113435][ C3] __x64_sys_execve (fs/exec.c:2124) 
[ 52.113706][ C3] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 52.113864][ C3] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) 
[   52.114063][    C3] RIP: 0033:0x7f193321d40b
[ 52.114233][ C3] Code: Unable to access opcode bytes at 0x7f193321d3e1.

Code starting with the faulting instruction
===========================================
[   52.114547][    C3] RSP: 002b:00007fff6a25e098 EFLAGS: 00000246 ORIG_RAX: 000000000000003b
[   52.114784][    C3] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f193321d40b
[   52.115018][    C3] RDX: 000055f95e84b4b0 RSI: 000055f95e9a0e30 RDI: 000055f95e848400
[   52.115371][    C3] RBP: 000055f95e848400 R08: 000055f95e9a8580 R09: 0000000000000000
[   52.115608][    C3] R10: 0000000000000008 R11: 0000000000000246 R12: 00000000ffffffff


Finger prints:
dump_stack_lvl:mark_lock_irq:mark_lock:mark_usage