======================================
| [  157.162467][    C0]  #1: ff11000002575778 (&mm->mmap_lock){++++}-{4:4}, at: __vmf_anon_prepare (./include/linux/mmap_lock.h:611 mm/memory.c:3826)
| [  157.162631][    C0]  #2: ffffffff9e377c00 (rcu_callback){....}-{0:0}, at: rcu_do_batch (./include/linux/rcupdate.h:300 (discriminator 2) kernel/rcu/tree.c:2611 (discriminator 2))
| [  157.162796][    C0]
| [  157.162796][    C0] stack backtrace:
[  157.162912][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  157.162914][    C0] Call Trace:
[  157.162915][    C0]  <IRQ>
[  157.162917][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  157.162922][    C0]  print_usage_bug.part.0.cold (kernel/locking/lockdep.c:4042)
[  157.162924][    C0]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  157.162928][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4013 kernel/locking/lockdep.c:4056 kernel/locking/lockdep.c:4267)
[  157.162929][    C0]  ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1061 (discriminator 37) arch/x86/kernel/apic/apic.c:1061 (discriminator 37))
[  157.162931][    C0]  ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:697)
[  157.162933][    C0]  ? save_trace (kernel/locking/lockdep.c:589)
[  157.162935][    C0]  ? __access_remote_vm (mm/memory.c:7070)
[  157.162937][    C0]  mark_lock (kernel/locking/lockdep.c:4753)
[  157.162938][    C0]  mark_usage (kernel/locking/lockdep.c:4642)
[  157.162940][    C0]  __lock_acquire (kernel/locking/lockdep.c:5191)
[  157.162941][    C0]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  157.162944][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  157.162945][    C0]  ? tcf_mirred_release (./include/linux/spinlock.h:342 net/sched/act_mirred.c:78) act_mirred
[  157.162947][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  157.162949][    C0]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  157.162951][    C0]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:158 (discriminator 1) kernel/locking/spinlock.c:158 (discriminator 1))
[  157.162952][    C0]  ? tcf_mirred_release (./include/linux/spinlock.h:342 net/sched/act_mirred.c:78) act_mirred
[  157.162954][    C0] tcf_mirred_release (./include/linux/spinlock.h:342 net/sched/act_mirred.c:78) act_mirred
[  157.162956][    C0]  tcf_action_rcu_free (net/sched/act_api.c:367 net/sched/act_api.c:378)
[  157.162957][    C0]  ? rcu_do_batch (./include/linux/rcupdate.h:310 (discriminator 2) kernel/rcu/tree.c:2619 (discriminator 2))
[  157.162959][    C0]  rcu_do_batch (kernel/rcu/tree.c:2617)
[  157.162962][    C0]  ? trace_rcu_batch_end (./include/trace/events/rcu.h:714 (discriminator 19))
[  157.162964][    C0]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  157.162965][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4411 (discriminator 2))
[  157.162967][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  157.162969][    C0]  rcu_core (kernel/rcu/tree.c:2869)
[  157.162970][    C0]  handle_softirqs (kernel/softirq.c:622)
[  157.162972][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  157.162975][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  157.162977][    C0]  ? _local_bh_enable (kernel/softirq.c:405 (discriminator 1))
[  157.162979][    C0]  __irq_exit_rcu (kernel/softirq.c:656 kernel/softirq.c:496 kernel/softirq.c:735)
[  157.162980][    C0]  irq_exit_rcu (kernel/softirq.c:752)
[  157.162982][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1061 (discriminator 37) arch/x86/kernel/apic/apic.c:1061 (discriminator 37))
[  157.162983][    C0]  </IRQ>
[  157.162984][    C0]  <TASK>
[  157.162985][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:697)
[  157.162986][    C0] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:178 (discriminator 12) kernel/locking/spinlock.c:198 (discriminator 12))
[  157.162989][    C0] Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 21 7e ca fd 48 89 df e8 a9 d4 ca fd f7 c5 00 02 00 00 75 1f 9c 58 f6 c4 02 75 2f <bf> 01 00 00 00 e8 30 62 bd fd 65 8b 05 29 0a fe 01 85 c0 74 12 5b
All code
========
   0:	f5                   	cmc
   1:	53                   	push   %rbx
   2:	48 8b 74 24 10       	mov    0x10(%rsp),%rsi
   7:	48 89 fb             	mov    %rdi,%rbx
   a:	48 83 c7 18          	add    $0x18,%rdi
   e:	e8 21 7e ca fd       	call   0xfffffffffdca7e34
  13:	48 89 df             	mov    %rbx,%rdi
  16:	e8 a9 d4 ca fd       	call   0xfffffffffdcad4c4
  1b:	f7 c5 00 02 00 00    	test   $0x200,%ebp
  21:	75 1f                	jne    0x42
  23:	9c                   	pushf
  24:	58                   	pop    %rax
  25:	f6 c4 02             	test   $0x2,%ah
  28:	75 2f                	jne    0x59
  2a:*	bf 01 00 00 00       	mov    $0x1,%edi		<-- trapping instruction
  2f:	e8 30 62 bd fd       	call   0xfffffffffdbd6264
  34:	65 8b 05 29 0a fe 01 	mov    %gs:0x1fe0a29(%rip),%eax        # 0x1fe0a64
  3b:	85 c0                	test   %eax,%eax
  3d:	74 12                	je     0x51
  3f:	5b                   	pop    %rbx

Code starting with the faulting instruction
===========================================
   0:	bf 01 00 00 00       	mov    $0x1,%edi
   5:	e8 30 62 bd fd       	call   0xfffffffffdbd623a
   a:	65 8b 05 29 0a fe 01 	mov    %gs:0x1fe0a29(%rip),%eax        # 0x1fe0a3a
  11:	85 c0                	test   %eax,%eax
  13:	74 12                	je     0x27
  15:	5b                   	pop    %rbx
[  157.162991][    C0] RSP: 0000:ffa0000000657a58 EFLAGS: 00000246
[  157.162993][    C0] RAX: 0000000000000096 RBX: ff11000001041440 RCX: ffffffff9d490613
[  157.162994][    C0] RDX: ff11000011f82340 RSI: ffffffff9de01bcb RDI: ffffffff9d86f6c0
[  157.162995][    C0] RBP: 0000000000000206 R08: 0000000000000000 R09: 0000000000000000
[  157.162996][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: ff11000001041440
[  157.162997][    C0] R13: ff1100000103fe40 R14: ff11000009a88d70 R15: ffd400000026a200
[  157.162999][    C0]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:178 (discriminator 6) kernel/locking/spinlock.c:198 (discriminator 6))
[  157.163001][    C0]  get_from_partial_node (./include/linux/spinlock.h:408 (discriminator 3) mm/slub.c:3835 (discriminator 3))
[  157.163005][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  157.163007][    C0]  ___slab_alloc (mm/slub.c:3924 (discriminator 1) mm/slub.c:4441 (discriminator 1))
[  157.163009][    C0]  ? __alloc_object (mm/kmemleak.c:483 (discriminator 1) mm/kmemleak.c:665 (discriminator 1))
[  157.163011][    C0]  ? __pcs_replace_empty_main (mm/slub.c:4615 (discriminator 20))
[  157.163013][    C0]  ? __alloc_object (mm/kmemleak.c:483 (discriminator 1) mm/kmemleak.c:665 (discriminator 1))
[  157.163014][    C0]  kmem_cache_alloc_noprof (mm/slub.c:4511 mm/slub.c:4887 mm/slub.c:4906)
[  157.163017][    C0]  __alloc_object (mm/kmemleak.c:483 (discriminator 1) mm/kmemleak.c:665 (discriminator 1))
[  157.163018][    C0]  __create_object (mm/kmemleak.c:779)
[  157.163020][    C0]  ? kasan_save_track (mm/kasan/common.c:78)
[  157.163023][    C0]  kmem_cache_alloc_noprof (./include/linux/kmemleak.h:44 mm/slub.c:4575 mm/slub.c:4899 mm/slub.c:4906)
[  157.163025][    C0]  __anon_vma_prepare (mm/rmap.c:142 (discriminator 7) mm/rmap.c:194 (discriminator 7))
[  157.163028][    C0]  __vmf_anon_prepare (mm/memory.c:3829)
[  157.163030][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  157.163031][    C0]  do_anonymous_page (mm/internal.h:503 mm/memory.c:5388)
[  157.163033][    C0]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[  157.163035][    C0]  __handle_mm_fault (mm/memory.c:6427 mm/memory.c:6565)
[  157.163037][    C0]  ? __pmd_alloc (./include/linux/mm.h:1682)
[  157.163038][    C0]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[  157.163040][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5574)
[  157.163043][    C0]  handle_mm_fault (mm/memory.c:6734)
[  157.163045][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  157.163047][    C0]  do_user_addr_fault (arch/x86/mm/fault.c:1334)
[  157.163050][    C0]  ? irqentry_enter (./include/linux/irq-entry-common.h:108 ./include/linux/irq-entry-common.h:293 kernel/entry/common.c:113)
[  157.163052][    C0]  exc_page_fault (arch/x86/mm/fault.c:1474 arch/x86/mm/fault.c:1527)
[  157.163054][    C0]  asm_exc_page_fault (./arch/x86/include/asm/idtentry.h:618)
[  157.163055][    C0] RIP: 0033:0x7f76630a003d
[  157.163058][    C0] Code: 04 00 00 48 8d 40 01 48 89 45 b0 48 89 55 a8 be 01 00 00 00 ff 15 23 ba 02 00 49 89 c6 48 85 c0 0f 84 24 02 00 00 48 8b 55 a8 <48> 89 40 28 4c 89 ee 4c 8d 84 10 b8 04 00 00 48 8b 55 b0 4c 89 80
All code
========
   0:	04 00                	add    $0x0,%al
   2:	00 48 8d             	add    %cl,-0x73(%rax)
   5:	40 01 48 89          	rex add %ecx,-0x77(%rax)
   9:	45 b0 48             	rex.RB mov $0x48,%r8b
   c:	89 55 a8             	mov    %edx,-0x58(%rbp)
   f:	be 01 00 00 00       	mov    $0x1,%esi
  14:	ff 15 23 ba 02 00    	call   *0x2ba23(%rip)        # 0x2ba3d
  1a:	49 89 c6             	mov    %rax,%r14
  1d:	48 85 c0             	test   %rax,%rax
  20:	0f 84 24 02 00 00    	je     0x24a
  26:	48 8b 55 a8          	mov    -0x58(%rbp),%rdx
  2a:*	48 89 40 28          	mov    %rax,0x28(%rax)		<-- trapping instruction
  2e:	4c 89 ee             	mov    %r13,%rsi
  31:	4c 8d 84 10 b8 04 00 	lea    0x4b8(%rax,%rdx,1),%r8
  38:	00 
  39:	48 8b 55 b0          	mov    -0x50(%rbp),%rdx
  3d:	4c                   	rex.WR
  3e:	89                   	.byte 0x89
  3f:	80                   	.byte 0x80

Code starting with the faulting instruction
===========================================
   0:	48 89 40 28          	mov    %rax,0x28(%rax)
   4:	4c 89 ee             	mov    %r13,%rsi
   7:	4c 8d 84 10 b8 04 00 	lea    0x4b8(%rax,%rdx,1),%r8
   e:	00 
   f:	48 8b 55 b0          	mov    -0x50(%rbp),%rdx
  13:	4c                   	rex.WR
  14:	89                   	.byte 0x89
  15:	80                   	.byte 0x80
[  157.163059][    C0] RSP: 002b:00007fff672a3290 EFLAGS: 00010206
[  157.163060][    C0] RAX: 00007f7662fc0000 RBX: 0000000000000000 RCX: 00007f7662fc2000
[  157.163061][    C0] RDX: 0000000000000000 RSI: 0000000000002000 RDI: 00007f7662fc0000
[  157.163061][    C0] RBP: 00007fff672a32f0 R08: 00000000ffffffff R09: 0000000000000000
[  157.163062][    C0] R10: 0000000000000022 R11: 0000000000000246 R12: 000000000000000b


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