======================================
| [ 1159.449503][    C3] 1 lock held by swapper/3/0:
| [ 1159.449592][    C3]  #0: ffffffffb8577c00 (rcu_callback){....}-{0:0}, at: rcu_do_batch (./include/linux/rcupdate.h:300 (discriminator 2) kernel/rcu/tree.c:2611 (discriminator 2))
| [ 1159.449757][    C3]
| [ 1159.449757][    C3] stack backtrace:
[ 1159.449874][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1159.449876][    C3] Call Trace:
[ 1159.449877][    C3]  <IRQ>
[ 1159.449879][    C3]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[ 1159.449884][    C3]  print_usage_bug.part.0.cold (kernel/locking/lockdep.c:4042)
[ 1159.449887][    C3]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[ 1159.449890][    C3]  mark_lock_irq (kernel/locking/lockdep.c:4013 kernel/locking/lockdep.c:4056 kernel/locking/lockdep.c:4267)
[ 1159.449892][    C3]  ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1061 (discriminator 37) arch/x86/kernel/apic/apic.c:1061 (discriminator 37))
[ 1159.449894][    C3]  ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:697)
[ 1159.449896][    C3]  ? save_trace (kernel/locking/lockdep.c:589)
[ 1159.449900][    C3]  mark_lock (kernel/locking/lockdep.c:4753)
[ 1159.449901][    C3]  mark_usage (kernel/locking/lockdep.c:4642)
[ 1159.449903][    C3]  __lock_acquire (kernel/locking/lockdep.c:5191)
[ 1159.449904][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1159.449906][    C3]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[ 1159.449911][    C3]  lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[ 1159.449912][    C3]  ? tcf_mirred_release (./include/linux/spinlock.h:342 net/sched/act_mirred.c:78) act_mirred
[ 1159.449914][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1159.449916][    C3]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[ 1159.449918][    C3]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:158 (discriminator 1) kernel/locking/spinlock.c:158 (discriminator 1))
[ 1159.449919][    C3]  ? tcf_mirred_release (./include/linux/spinlock.h:342 net/sched/act_mirred.c:78) act_mirred
[ 1159.449921][    C3] tcf_mirred_release (./include/linux/spinlock.h:342 net/sched/act_mirred.c:78) act_mirred
[ 1159.449923][    C3]  tcf_action_rcu_free (net/sched/act_api.c:367 net/sched/act_api.c:378)
[ 1159.449925][    C3]  ? rcu_do_batch (./include/linux/rcupdate.h:310 (discriminator 2) kernel/rcu/tree.c:2619 (discriminator 2))
[ 1159.449927][    C3]  rcu_do_batch (kernel/rcu/tree.c:2617)
[ 1159.449929][    C3]  ? trace_rcu_batch_end (./include/trace/events/rcu.h:714 (discriminator 19))
[ 1159.449932][    C3]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[ 1159.449933][    C3]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[ 1159.449935][    C3]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4411 (discriminator 2))
[ 1159.449936][    C3]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[ 1159.449938][    C3]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:178 (discriminator 6) kernel/locking/spinlock.c:198 (discriminator 6))
[ 1159.449940][    C3]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[ 1159.449942][    C3]  rcu_core (kernel/rcu/tree.c:2869)
[ 1159.449944][    C3]  handle_softirqs (kernel/softirq.c:622)
[ 1159.449945][    C3]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[ 1159.449948][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[ 1159.449950][    C3]  ? _local_bh_enable (kernel/softirq.c:405 (discriminator 1))
[ 1159.449952][    C3]  __irq_exit_rcu (kernel/softirq.c:656 kernel/softirq.c:496 kernel/softirq.c:735)
[ 1159.449953][    C3]  irq_exit_rcu (kernel/softirq.c:752)
[ 1159.449955][    C3]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1061 (discriminator 37) arch/x86/kernel/apic/apic.c:1061 (discriminator 37))
[ 1159.449956][    C3]  </IRQ>
[ 1159.449957][    C3]  <TASK>
[ 1159.449958][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1159.449959][    C3]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:697)
[ 1159.449961][    C3] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:62)
[ 1159.449964][    C3] Code: 48 8b 3d 44 d3 00 02 e8 1f 00 00 00 48 2b 05 c8 71 a3 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 43 f4 22 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 d3 00 02 	mov    0x200d344(%rip),%rdi        # 0x200d34b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 c8 71 a3 00 	sub    0xa371c8(%rip),%rax        # 0xa371db
  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 f4 22 00 	verw   0x22f443(%rip)        # 0x22f46b
  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
[ 1159.449966][    C3] RSP: 0018:ffa0000000167de8 EFLAGS: 00000296
[ 1159.449968][    C3] RAX: 0000000000f93bff RBX: ff11000001bd0040 RCX: ffffffffb52d9667
[ 1159.449969][    C3] RDX: ff11000001bd0040 RSI: ffffffffb8001bcb RDI: ffffffffb7a6f6c0
[ 1159.449970][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[ 1159.449971][    C3] R10: 0000000000000003 R11: 0000000000000001 R12: 1ff400000002cfc0
[ 1159.449972][    C3] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[ 1159.449973][    C3]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[ 1159.449976][    C3]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[ 1159.449978][    C3]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:767)
[ 1159.449980][    C3]  default_idle_call (kernel/sched/idle.c:122)
[ 1159.449982][    C3]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[ 1159.449983][    C3]  ? arch_cpu_idle_exit+0x40/0x40
[ 1159.449985][    C3]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[ 1159.449987][    C3]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[ 1159.449989][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1159.449991][    C3]  do_idle (kernel/sched/idle.c:352)
[ 1159.449993][    C3]  cpu_startup_entry (kernel/sched/idle.c:451)
[ 1159.449994][    C3]  start_secondary (arch/x86/kernel/smpboot.c:312)
[ 1159.449996][    C3]  ? set_cpu_sibling_map (./arch/x86/include/asm/smp.h:148 (discriminator 4))
[ 1159.449998][    C3]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [ 1166.019841][    C1] RCU nest depth: 0, expected: 0
| [ 1166.019923][    C1] INFO: lockdep is turned off.
| [ 1166.020004][    C1] Preemption disabled at:
| [ 1166.020005][    C1] 0x0
[ 1166.020163][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1166.020165][    C1] Call Trace:
[ 1166.020167][    C1]  <IRQ>
[ 1166.020169][    C1]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[ 1166.020177][    C1]  __might_resched.cold (kernel/sched/core.c:9163)
[ 1166.020180][    C1]  ? default_idle_call (kernel/sched/idle.c:122)
[ 1166.020185][    C1]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[ 1166.020189][    C1]  ? start_secondary (arch/x86/kernel/smpboot.c:312)
[ 1166.020192][    C1]  __mutex_lock (kernel/locking/mutex.c:623 kernel/locking/mutex.c:820)
[ 1166.020194][    C1]  ? __tcf_chain_put (net/sched/cls_api.c:694)
[ 1166.020198][    C1]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[ 1166.020202][    C1]  ? __tcf_chain_put (net/sched/cls_api.c:694)
[ 1166.020203][    C1]  __tcf_chain_put (net/sched/cls_api.c:694)
[ 1166.020205][    C1]  ? free_percpu.part.0 (./include/linux/spinlock.h:408 (discriminator 3) mm/percpu.c:2283 (discriminator 3))
[ 1166.020209][    C1]  tcf_action_rcu_free (net/sched/act_api.c:130 net/sched/act_api.c:370 net/sched/act_api.c:378)
[ 1166.020211][    C1]  ? rcu_do_batch (./include/linux/rcupdate.h:310 (discriminator 2) kernel/rcu/tree.c:2619 (discriminator 2))
[ 1166.020214][    C1]  rcu_do_batch (kernel/rcu/tree.c:2617)
[ 1166.020217][    C1]  ? trace_rcu_batch_end (./include/trace/events/rcu.h:714 (discriminator 19))
[ 1166.020219][    C1]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[ 1166.020222][    C1]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[ 1166.020225][    C1]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[ 1166.020226][    C1]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[ 1166.020229][    C1]  rcu_core (kernel/rcu/tree.c:2869)
[ 1166.020231][    C1]  handle_softirqs (kernel/softirq.c:622)
[ 1166.020233][    C1]  ? clockevents_tick_resume (kernel/time/clockevents.c:193)
[ 1166.020236][    C1]  ? _local_bh_enable (kernel/softirq.c:405 (discriminator 1))
[ 1166.020238][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1166.020239][    C1]  ? lock_release (./include/trace/events/lock.h:69 (discriminator 22) kernel/locking/lockdep.c:5879 (discriminator 22))
[ 1166.020242][    C1]  __irq_exit_rcu (kernel/softirq.c:656 kernel/softirq.c:496 kernel/softirq.c:735)
[ 1166.020243][    C1]  irq_exit_rcu (kernel/softirq.c:752)
[ 1166.020245][    C1]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1061 (discriminator 37) arch/x86/kernel/apic/apic.c:1061 (discriminator 37))
[ 1166.020247][    C1]  </IRQ>
[ 1166.020247][    C1]  <TASK>
[ 1166.020248][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1166.020250][    C1]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:697)
[ 1166.020252][    C1] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:62)
[ 1166.020255][    C1] Code: 48 8b 3d 44 d3 00 02 e8 1f 00 00 00 48 2b 05 c8 71 a3 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 43 f4 22 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 d3 00 02 	mov    0x200d344(%rip),%rdi        # 0x200d34b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 c8 71 a3 00 	sub    0xa371c8(%rip),%rax        # 0xa371db
  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 f4 22 00 	verw   0x22f443(%rip)        # 0x22f46b
  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
[ 1166.020257][    C1] RSP: 0018:ffa0000000147de8 EFLAGS: 00000246
[ 1166.020260][    C1] RAX: 0000000000000001 RBX: ff11000001bb2340 RCX: 0000000000000001
[ 1166.020262][    C1] RDX: 0000000000000001 RSI: ffffffffb7a6f640 RDI: ffffffffb52d9667
[ 1166.020262][    C1] RBP: 0000000000000000 R08: ffffffffb76694f1 R09: 1fe2200005d1639a
[ 1166.020263][    C1] R10: 0000000000000001 R11: 0000000000000000 R12: 1ff4000000028fc0
[ 1166.020264][    C1] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[ 1166.020265][    C1]  ? ct_kernel_exit.constprop.0 (./include/linux/instrumented.h:97 kernel/context_tracking.c:124)
[ 1166.020267][    C1]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[ 1166.020272][    C1]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:767)
[ 1166.020274][    C1]  default_idle_call (kernel/sched/idle.c:122)
[ 1166.020275][    C1]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[ 1166.020277][    C1]  ? arch_cpu_idle_exit+0x40/0x40
[ 1166.020278][    C1]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[ 1166.020280][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1166.020282][    C1]  do_idle (kernel/sched/idle.c:352)
[ 1166.020284][    C1]  cpu_startup_entry (kernel/sched/idle.c:451)
[ 1166.020285][    C1]  start_secondary (arch/x86/kernel/smpboot.c:312)
[ 1166.020287][    C1]  ? set_cpu_sibling_map (./arch/x86/include/asm/smp.h:148 (discriminator 4))


Finger prints:
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:_raw_spin_lock
__mutex_lock:__tcf_chain_put:tcf_action_rcu_free:rcu_do_batch:rcu_core