======================================
| [ 1786.753333][    C0] 1 lock held by swapper/0/0:
| [ 1786.753421][    C0]  #0: ffffffffa698bc80 (rcu_callback){....}-{0:0}, at: rcu_do_batch (./include/linux/rcupdate.h:300 (discriminator 2) kernel/rcu/tree.c:2611 (discriminator 2))
| [ 1786.753582][    C0]
| [ 1786.753582][    C0] stack backtrace:
[ 1786.753698][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1786.753699][    C0] Call Trace:
[ 1786.753701][    C0]  <IRQ>
[ 1786.753702][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[ 1786.753707][    C0]  print_usage_bug.part.0.cold (kernel/locking/lockdep.c:4042)
[ 1786.753709][    C0]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[ 1786.753713][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4013 kernel/locking/lockdep.c:4056 kernel/locking/lockdep.c:4267)
[ 1786.753714][    C0]  ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1061 (discriminator 37) arch/x86/kernel/apic/apic.c:1061 (discriminator 37))
[ 1786.753715][    C0]  ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:697)
[ 1786.753717][    C0]  ? save_trace (kernel/locking/lockdep.c:589)
[ 1786.753719][    C0]  ? kvm_mmu_spte_module_init (arch/x86/kvm/mmu/spte.c:64 arch/x86/kvm/mmu/spte.c:78)
[ 1786.753724][    C0]  mark_lock (kernel/locking/lockdep.c:4753)
[ 1786.753726][    C0]  mark_usage (kernel/locking/lockdep.c:4642)
[ 1786.753727][    C0]  __lock_acquire (kernel/locking/lockdep.c:5191)
[ 1786.753728][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1786.753730][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[ 1786.753734][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[ 1786.753736][    C0]  ? tcf_mirred_release (./include/linux/spinlock.h:342 net/sched/act_mirred.c:78) act_mirred
[ 1786.753737][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1786.753739][    C0]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[ 1786.753741][    C0]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:158 (discriminator 1) kernel/locking/spinlock.c:158 (discriminator 1))
[ 1786.753742][    C0]  ? tcf_mirred_release (./include/linux/spinlock.h:342 net/sched/act_mirred.c:78) act_mirred
[ 1786.753744][    C0] tcf_mirred_release (./include/linux/spinlock.h:342 net/sched/act_mirred.c:78) act_mirred
[ 1786.753745][    C0]  tcf_action_rcu_free (net/sched/act_api.c:367 net/sched/act_api.c:378)
[ 1786.753747][    C0]  ? rcu_do_batch (./include/linux/rcupdate.h:310 (discriminator 2) kernel/rcu/tree.c:2619 (discriminator 2))
[ 1786.753748][    C0]  rcu_do_batch (kernel/rcu/tree.c:2617)
[ 1786.753751][    C0]  ? trace_rcu_batch_end (./include/trace/events/rcu.h:714 (discriminator 19))
[ 1786.753753][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1786.753755][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[ 1786.753756][    C0]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[ 1786.753758][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4411 (discriminator 2))
[ 1786.753760][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[ 1786.753761][    C0]  rcu_core (kernel/rcu/tree.c:2869)
[ 1786.753763][    C0]  handle_softirqs (kernel/softirq.c:622)
[ 1786.753764][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[ 1786.753766][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[ 1786.753767][    C0]  ? _local_bh_enable (kernel/softirq.c:405 (discriminator 1))
[ 1786.753769][    C0]  __irq_exit_rcu (kernel/softirq.c:656 kernel/softirq.c:496 kernel/softirq.c:735)
[ 1786.753771][    C0]  irq_exit_rcu (kernel/softirq.c:752)
[ 1786.753772][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1061 (discriminator 37) arch/x86/kernel/apic/apic.c:1061 (discriminator 37))
[ 1786.753774][    C0]  </IRQ>
[ 1786.753774][    C0]  <TASK>
[ 1786.753775][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:697)
[ 1786.753777][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:62)
[ 1786.753779][    C0] Code: 48 8b 3d 44 e3 60 02 e8 1f 00 00 00 48 2b 05 c8 81 9e 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 43 74 14 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 44 e3 60 02 	mov    0x260e344(%rip),%rdi        # 0x260e34b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 c8 81 9e 00 	sub    0x9e81c8(%rip),%rax        # 0x9e81db
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 43 74 14 00 	verw   0x147443(%rip)        # 0x14746b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[ 1786.753781][    C0] RSP: 0018:ffffffffa6607e00 EFLAGS: 00000282
[ 1786.753783][    C0] RAX: 0000000001ca138f RBX: ffffffffa6630740 RCX: ffffffffa2eea8a7
[ 1786.753784][    C0] RDX: ffffffffa6630740 RSI: ffffffffa5e93d1a RDI: ffffffffa58727c0
[ 1786.753785][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[ 1786.753785][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff4cc0fc3
[ 1786.753786][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[ 1786.753788][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[ 1786.753791][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:767)
[ 1786.753793][    C0]  default_idle_call (kernel/sched/idle.c:122)
[ 1786.753794][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[ 1786.753795][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[ 1786.753797][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[ 1786.753800][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1786.753801][    C0]  do_idle (kernel/sched/idle.c:352)
[ 1786.753803][    C0]  cpu_startup_entry (kernel/sched/idle.c:451)
[ 1786.753804][    C0]  rest_init (init/main.c:762)
[ 1786.753806][    C0]  start_kernel (init/main.c:1220)
[ 1786.753808][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[ 1786.753810][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)


Finger prints:
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:_raw_spin_lock