======================================
| [   81.340402][    C0]  #4: ff1100000219ae90 (ptlock_ptr(ptdesc)#2){+.+.}-{3:3}, at: pte_offset_map_lock (./include/linux/spinlock.h:342 mm/pgtable-generic.c:404)
| [   81.340592][    C0]  #5: ffffffff8b577c00 (rcu_callback){....}-{0:0}, at: rcu_do_batch (./include/linux/rcupdate.h:300 (discriminator 2) kernel/rcu/tree.c:2611 (discriminator 2))
| [   81.340761][    C0]
| [   81.340761][    C0] stack backtrace:
[   81.340879][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   81.340882][    C0] Call Trace:
[   81.340883][    C0]  <IRQ>
[   81.340885][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   81.340890][    C0]  print_usage_bug.part.0.cold (kernel/locking/lockdep.c:4042)
[   81.340893][    C0]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   81.340896][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4013 kernel/locking/lockdep.c:4056 kernel/locking/lockdep.c:4267)
[   81.340898][    C0]  ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1061 (discriminator 37) arch/x86/kernel/apic/apic.c:1061 (discriminator 37))
[   81.340900][    C0]  ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:697)
[   81.340902][    C0]  ? save_trace (kernel/locking/lockdep.c:589)
[   81.340904][    C0]  ? __x64_sys_readlink (fs/stat.c:602)
[   81.340907][    C0]  mark_lock (kernel/locking/lockdep.c:4753)
[   81.340908][    C0]  mark_usage (kernel/locking/lockdep.c:4642)
[   81.340910][    C0]  __lock_acquire (kernel/locking/lockdep.c:5191)
[   81.340911][    C0]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   81.340913][    C0]  ? rcu_do_batch (./include/linux/rcupdate.h:310 (discriminator 2) kernel/rcu/tree.c:2619 (discriminator 2))
[   81.340916][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   81.340918][    C0]  ? tcf_mirred_release (./include/linux/spinlock.h:342 net/sched/act_mirred.c:78) act_mirred
[   81.340920][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   81.340922][    C0]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   81.340924][    C0]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:158 (discriminator 1) kernel/locking/spinlock.c:158 (discriminator 1))
[   81.340925][    C0]  ? tcf_mirred_release (./include/linux/spinlock.h:342 net/sched/act_mirred.c:78) act_mirred
[   81.340927][    C0] tcf_mirred_release (./include/linux/spinlock.h:342 net/sched/act_mirred.c:78) act_mirred
[   81.340929][    C0]  tcf_action_rcu_free (net/sched/act_api.c:367 net/sched/act_api.c:378)
[   81.340930][    C0]  ? rcu_do_batch (./include/linux/rcupdate.h:310 (discriminator 2) kernel/rcu/tree.c:2619 (discriminator 2))
[   81.340932][    C0]  rcu_do_batch (kernel/rcu/tree.c:2617)
[   81.340935][    C0]  ? trace_rcu_batch_end (./include/trace/events/rcu.h:714 (discriminator 19))
[   81.340937][    C0]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   81.340939][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4411 (discriminator 2))
[   81.340940][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   81.340942][    C0]  rcu_core (kernel/rcu/tree.c:2869)
[   81.340944][    C0]  handle_softirqs (kernel/softirq.c:622)
[   81.340946][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   81.340948][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   81.340950][    C0]  ? _local_bh_enable (kernel/softirq.c:405 (discriminator 1))
[   81.340952][    C0]  __irq_exit_rcu (kernel/softirq.c:656 kernel/softirq.c:496 kernel/softirq.c:735)
[   81.340953][    C0]  irq_exit_rcu (kernel/softirq.c:752)
[   81.340955][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1061 (discriminator 37) arch/x86/kernel/apic/apic.c:1061 (discriminator 37))
[   81.340957][    C0]  </IRQ>
[   81.340957][    C0]  <TASK>
[   81.340958][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:697)
[   81.340960][    C0] RIP: 0010:zap_present_ptes.constprop.0 (mm/memory.c:1689)
[   81.340963][    C0] Code: 00 00 4c 89 e6 4c 89 ef e8 cc de 02 00 84 c0 0f 85 00 05 00 00 41 bf 01 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 8b 4c 24 18 <48> c7 04 01 00 00 00 00 48 8b 84 24 b0 00 00 00 65 48 2b 05 67 7e
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	4c 89 e6             	mov    %r12,%rsi
   5:	4c 89 ef             	mov    %r13,%rdi
   8:	e8 cc de 02 00       	call   0x2ded9
   d:	84 c0                	test   %al,%al
   f:	0f 85 00 05 00 00    	jne    0x515
  15:	41 bf 01 00 00 00    	mov    $0x1,%r15d
  1b:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  22:	fc ff df 
  25:	48 8b 4c 24 18       	mov    0x18(%rsp),%rcx
  2a:*	48 c7 04 01 00 00 00 	movq   $0x0,(%rcx,%rax,1)		<-- trapping instruction
  31:	00 
  32:	48 8b 84 24 b0 00 00 	mov    0xb0(%rsp),%rax
  39:	00 
  3a:	65                   	gs
  3b:	48                   	rex.W
  3c:	2b                   	.byte 0x2b
  3d:	05                   	.byte 0x5
  3e:	67                   	addr32
  3f:	7e                   	.byte 0x7e

Code starting with the faulting instruction
===========================================
   0:	48 c7 04 01 00 00 00 	movq   $0x0,(%rcx,%rax,1)
   7:	00 
   8:	48 8b 84 24 b0 00 00 	mov    0xb0(%rsp),%rax
   f:	00 
  10:	65                   	gs
  11:	48                   	rex.W
  12:	2b                   	.byte 0x2b
  13:	05                   	.byte 0x5
  14:	67                   	addr32
  15:	7e                   	.byte 0x7e
[   81.340966][    C0] RSP: 0018:ffa0000000a97408 EFLAGS: 00000246
[   81.340968][    C0] RAX: dffffc0000000000 RBX: ffd40000005240c0 RCX: 1ff4000000152e8c
[   81.340969][    C0] RDX: 0000000000000007 RSI: 0000000000000039 RDI: ff11000011b1900c
[   81.340970][    C0] RBP: ffd40000005240f0 R08: ffa0000000a97a48 R09: ffd40000005240c0
[   81.340971][    C0] R10: ffa0000000a97a70 R11: 0000000000000038 R12: ffd40000005240c0
[   81.340971][    C0] R13: ffa0000000a97a48 R14: ffa0000000a97640 R15: 0000000000000001
[   81.340974][    C0]  ? zap_present_ptes.constprop.0 (mm/memory.c:1677 mm/memory.c:1730)
[   81.340976][    C0]  ? copy_pte_range (mm/memory.c:1376)
[   81.340978][    C0]  ? pte_offset_map_rw_nolock (./include/linux/mm.h:3721 (discriminator 1))
[   81.340980][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   81.340982][    C0]  zap_pte_range (mm/memory.c:1832 mm/memory.c:1934)
[   81.340984][    C0]  ? zap_present_ptes.constprop.0 (mm/memory.c:1678)
[   81.340986][    C0]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   81.340987][    C0]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   81.340990][    C0]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   81.340993][    C0]  ? mas_next_node (./include/linux/lockdep.h:249 lib/maple_tree.c:709 lib/maple_tree.c:715 lib/maple_tree.c:748 lib/maple_tree.c:4060)
[   81.340996][    C0]  zap_p4d_range (mm/memory.c:2020 mm/memory.c:2048 mm/memory.c:2069)
[   81.340998][    C0]  __zap_vma_range (mm/memory.c:2109)
[   81.341001][    C0]  unmap_vmas (mm/memory.c:2178)
[   81.341003][    C0]  ? zap_vma_for_reaping (mm/memory.c:2143)
[   81.341005][    C0]  ? mas_next_slot (./include/linux/lockdep.h:249 lib/maple_tree.c:709 lib/maple_tree.c:715 lib/maple_tree.c:4173)
[   81.341008][    C0]  exit_mmap (mm/mmap.c:1300)
[   81.341010][    C0]  ? vm_brk_flags (./include/linux/seqlock.h:453)
[   81.341012][    C0]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   81.341013][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   81.341015][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   81.341018][    C0]  ? __mutex_unlock_slowpath (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:4480 kernel/locking/mutex.c:1007)
[   81.341022][    C0]  mmput (kernel/fork.c:1178 kernel/fork.c:1201)
[   81.341024][    C0]  exec_mmap (fs/exec.c:893)
[   81.341025][    C0]  begin_new_exec (fs/exec.c:1148)
[   81.341027][    C0]  load_elf_binary (fs/binfmt_elf.c:1010)
[   81.341031][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   81.341033][    C0]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   81.341034][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   81.341036][    C0]  ? load_elf_interp.isra.0 (fs/binfmt_elf.c:693 (discriminator 4))
[   81.341037][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   81.341039][    C0]  ? exec_binprm (fs/exec.c:1662 fs/exec.c:1696)
[   81.341040][    C0]  exec_binprm (fs/exec.c:1664 fs/exec.c:1696)
[   81.341042][    C0]  ? check_unsafe_exec (fs/exec.c:1522)
[   81.341044][    C0]  bprm_execve (fs/exec.c:1748 fs/exec.c:1724)
[   81.341046][    C0]  do_execveat_common.isra.0 (fs/exec.c:1846)
[   81.341048][    C0]  __x64_sys_execve (fs/exec.c:1930 (discriminator 2) fs/exec.c:1924 (discriminator 2) fs/exec.c:1924 (discriminator 2))
[   81.341049][    C0]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   81.341051][    C0]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   81.341054][    C0]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   81.341056][    C0]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   81.341057][    C0] RIP: 0033:0x7f104b3ae15b
[   81.341064][    C0] Code: Unable to access opcode bytes at 0x7f104b3ae131.

Code starting with the faulting instruction
===========================================
[   81.341064][    C0] RSP: 002b:00007ffe21b0fed8 EFLAGS: 00000202 ORIG_RAX: 000000000000003b
[   81.341066][    C0] RAX: ffffffffffffffda RBX: 0000555a17aa9c80 RCX: 00007f104b3ae15b
[   81.341067][    C0] RDX: 0000555a17a01ca0 RSI: 0000555a17a616b0 RDI: 0000555a17aa9c80
[   81.341068][    C0] RBP: 00007ffe21b0ffc0 R08: 0000555a1798d840 R09: 0000000000000070
[   81.341068][    C0] R10: 0000000000000070 R11: 0000000000000202 R12: 0000555a17aa9c80


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