======================================
| [  451.602053][    C0]  #1: ffffffffa3577d20 (rcu_read_lock){....}-{1:3}, at: __pte_offset_map (./include/linux/rcupdate.h:300 (discriminator 2) ./include/linux/rcupdate.h:838 (discriminator 2) mm/pgtable-generic.c:290 (discriminator 2))
| [  451.602264][    C0]  #2: ffffffffa3577c00 (rcu_callback){....}-{0:0}, at: rcu_do_batch (./include/linux/rcupdate.h:300 (discriminator 2) kernel/rcu/tree.c:2611 (discriminator 2))
| [  451.602421][    C0]
| [  451.602421][    C0] stack backtrace:
[  451.602537][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  451.602539][    C0] Call Trace:
[  451.602540][    C0]  <IRQ>
[  451.602541][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  451.602546][    C0]  print_usage_bug.part.0.cold (kernel/locking/lockdep.c:4042)
[  451.602549][    C0]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  451.602553][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4013 kernel/locking/lockdep.c:4056 kernel/locking/lockdep.c:4267)
[  451.602554][    C0]  ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1061 (discriminator 37) arch/x86/kernel/apic/apic.c:1061 (discriminator 37))
[  451.602556][    C0]  ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:697)
[  451.602558][    C0]  ? save_trace (kernel/locking/lockdep.c:589)
[  451.602560][    C0]  ? 0xffffffff9fa00000
[  451.602562][    C0]  mark_lock (kernel/locking/lockdep.c:4753)
[  451.602564][    C0]  mark_usage (kernel/locking/lockdep.c:4642)
[  451.602566][    C0]  __lock_acquire (kernel/locking/lockdep.c:5191)
[  451.602567][    C0]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  451.602569][    C0]  ? rcu_do_batch (./include/linux/rcupdate.h:310 (discriminator 2) kernel/rcu/tree.c:2619 (discriminator 2))
[  451.602572][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  451.602573][    C0]  ? tcf_mirred_release (./include/linux/spinlock.h:342 net/sched/act_mirred.c:78) act_mirred
[  451.602576][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  451.602578][    C0]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  451.602580][    C0]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:158 (discriminator 1) kernel/locking/spinlock.c:158 (discriminator 1))
[  451.602581][    C0]  ? tcf_mirred_release (./include/linux/spinlock.h:342 net/sched/act_mirred.c:78) act_mirred
[  451.602583][    C0] tcf_mirred_release (./include/linux/spinlock.h:342 net/sched/act_mirred.c:78) act_mirred
[  451.602585][    C0]  tcf_action_rcu_free (net/sched/act_api.c:367 net/sched/act_api.c:378)
[  451.602586][    C0]  ? rcu_do_batch (./include/linux/rcupdate.h:310 (discriminator 2) kernel/rcu/tree.c:2619 (discriminator 2))
[  451.602588][    C0]  rcu_do_batch (kernel/rcu/tree.c:2617)
[  451.602591][    C0]  ? trace_rcu_batch_end (./include/trace/events/rcu.h:714 (discriminator 19))
[  451.602593][    C0]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  451.602595][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4411 (discriminator 2))
[  451.602596][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  451.602598][    C0]  rcu_core (kernel/rcu/tree.c:2869)
[  451.602600][    C0]  handle_softirqs (kernel/softirq.c:622)
[  451.602602][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  451.602605][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  451.602606][    C0]  ? _local_bh_enable (kernel/softirq.c:405 (discriminator 1))
[  451.602608][    C0]  __irq_exit_rcu (kernel/softirq.c:656 kernel/softirq.c:496 kernel/softirq.c:735)
[  451.602610][    C0]  irq_exit_rcu (kernel/softirq.c:752)
[  451.602611][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1061 (discriminator 37) arch/x86/kernel/apic/apic.c:1061 (discriminator 37))
[  451.602613][    C0]  </IRQ>
[  451.602614][    C0]  <TASK>
[  451.602615][    C0]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  451.602616][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:697)
[  451.602618][    C0] RIP: 0010:lock_acquire.part.0 (./arch/x86/include/asm/irqflags.h:158 (discriminator 1) kernel/locking/lockdep.c:5871 (discriminator 1))
[  451.602620][    C0] Code: ff 65 0f c1 05 37 d9 33 04 83 f8 01 4c 8b 14 24 0f 85 30 01 00 00 9c 58 f6 c4 02 0f 85 4d 01 00 00 4d 85 d2 0f 85 16 01 00 00 <48> 8b 44 24 30 65 48 2b 05 a9 92 33 04 0f 85 43 01 00 00 48 83 c4
All code
========
   0:	ff 65 0f             	jmp    *0xf(%rbp)
   3:	c1 05 37 d9 33 04 83 	roll   $0x83,0x433d937(%rip)        # 0x433d941
   a:	f8                   	clc
   b:	01 4c 8b 14          	add    %ecx,0x14(%rbx,%rcx,4)
   f:	24 0f                	and    $0xf,%al
  11:	85 30                	test   %esi,(%rax)
  13:	01 00                	add    %eax,(%rax)
  15:	00 9c 58 f6 c4 02 0f 	add    %bl,0xf02c4f6(%rax,%rbx,2)
  1c:	85 4d 01             	test   %ecx,0x1(%rbp)
  1f:	00 00                	add    %al,(%rax)
  21:	4d 85 d2             	test   %r10,%r10
  24:	0f 85 16 01 00 00    	jne    0x140
  2a:*	48 8b 44 24 30       	mov    0x30(%rsp),%rax		<-- trapping instruction
  2f:	65 48 2b 05 a9 92 33 	sub    %gs:0x43392a9(%rip),%rax        # 0x43392e0
  36:	04 
  37:	0f 85 43 01 00 00    	jne    0x180
  3d:	48                   	rex.W
  3e:	83                   	.byte 0x83
  3f:	c4                   	.byte 0xc4

Code starting with the faulting instruction
===========================================
   0:	48 8b 44 24 30       	mov    0x30(%rsp),%rax
   5:	65 48 2b 05 a9 92 33 	sub    %gs:0x43392a9(%rip),%rax        # 0x43392b6
   c:	04 
   d:	0f 85 43 01 00 00    	jne    0x156
  13:	48                   	rex.W
  14:	83                   	.byte 0x83
  15:	c4                   	.byte 0xc4
[  451.602622][    C0] RSP: 0000:ffa0000001c17b80 EFLAGS: 00000206
[  451.602624][    C0] RAX: 0000000000000046 RBX: 0000000000000000 RCX: fa127a7509a75f75
[  451.602625][    C0] RDX: 0000000000000001 RSI: ffffffffa2febde8 RDI: ffffffffa2a6f6c0
[  451.602626][    C0] RBP: 0000000000000000 R08: 0000000000000001 R09: ff1100001448ae58
[  451.602627][    C0] R10: 0000000000000200 R11: 0000000000000001 R12: ffffffffa3577d20
[  451.602628][    C0] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002
[  451.602630][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  451.602632][    C0]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  451.602634][    C0]  __pte_offset_map (./include/linux/rcupdate.h:300 (discriminator 2) ./include/linux/rcupdate.h:838 (discriminator 2) mm/pgtable-generic.c:290 (discriminator 2))
[  451.602636][    C0]  ? __pte_offset_map (./include/linux/rcupdate.h:300 (discriminator 2) ./include/linux/rcupdate.h:838 (discriminator 2) mm/pgtable-generic.c:290 (discriminator 2))
[  451.602637][    C0]  pte_offset_map_lock (mm/pgtable-generic.c:400)
[  451.602639][    C0]  ? vma_alloc_folio_noprof (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/page-flags.h:843 ./include/linux/page-flags.h:864 mm/internal.h:876 mm/mempolicy.c:2515 mm/mempolicy.c:2544)
[  451.602642][    C0]  ? pte_offset_map_rw_nolock (./include/linux/mm.h:3721 (discriminator 1))
[  451.602643][    C0]  ? get_vma_policy (mm/mempolicy.c:350)
[  451.602645][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  451.602647][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  451.602648][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  451.602650][    C0]  do_anonymous_page (mm/memory.c:5408)
[  451.602653][    C0]  __handle_mm_fault (mm/memory.c:6427 mm/memory.c:6565)
[  451.602655][    C0]  ? __pmd_alloc (./include/linux/mm.h:1682)
[  451.602656][    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))
[  451.602658][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5574)
[  451.602661][    C0]  handle_mm_fault (mm/memory.c:6734)
[  451.602663][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  451.602665][    C0]  do_user_addr_fault (arch/x86/mm/fault.c:1334)
[  451.602668][    C0]  ? irqentry_enter (./include/linux/irq-entry-common.h:108 ./include/linux/irq-entry-common.h:293 kernel/entry/common.c:113)
[  451.602670][    C0]  exc_page_fault (arch/x86/mm/fault.c:1474 arch/x86/mm/fault.c:1527)
[  451.602672][    C0]  asm_exc_page_fault (./arch/x86/include/asm/idtentry.h:618)
[  451.602673][    C0] RIP: 0033:0x7f32ab72aa1b
[  451.602675][    C0] Code: 7e 08 40 0f 95 c6 48 29 d1 48 83 c0 10 40 0f b6 f6 48 83 c9 01 48 c1 e6 02 48 09 d6 8b 15 d1 57 17 00 48 83 ce 01 48 89 70 f8 <48> 89 4f 08 85 d2 0f 84 29 fa ff ff 80 f2 ff 89 d6 4c 89 c2 e9 7e
All code
========
   0:	7e 08                	jle    0xa
   2:	40 0f 95 c6          	setne  %sil
   6:	48 29 d1             	sub    %rdx,%rcx
   9:	48 83 c0 10          	add    $0x10,%rax
   d:	40 0f b6 f6          	movzbl %sil,%esi
  11:	48 83 c9 01          	or     $0x1,%rcx
  15:	48 c1 e6 02          	shl    $0x2,%rsi
  19:	48 09 d6             	or     %rdx,%rsi
  1c:	8b 15 d1 57 17 00    	mov    0x1757d1(%rip),%edx        # 0x1757f3
  22:	48 83 ce 01          	or     $0x1,%rsi
  26:	48 89 70 f8          	mov    %rsi,-0x8(%rax)
  2a:*	48 89 4f 08          	mov    %rcx,0x8(%rdi)		<-- trapping instruction
  2e:	85 d2                	test   %edx,%edx
  30:	0f 84 29 fa ff ff    	je     0xfffffffffffffa5f
  36:	80 f2 ff             	xor    $0xff,%dl
  39:	89 d6                	mov    %edx,%esi
  3b:	4c 89 c2             	mov    %r8,%rdx
  3e:	e9                   	.byte 0xe9
  3f:	7e                   	.byte 0x7e

Code starting with the faulting instruction
===========================================
   0:	48 89 4f 08          	mov    %rcx,0x8(%rdi)
   4:	85 d2                	test   %edx,%edx
   6:	0f 84 29 fa ff ff    	je     0xfffffffffffffa35
   c:	80 f2 ff             	xor    $0xff,%dl
   f:	89 d6                	mov    %edx,%esi
  11:	4c 89 c2             	mov    %r8,%rdx
  14:	e9                   	.byte 0xe9
  15:	7e                   	.byte 0x7e
[  451.602676][    C0] RSP: 002b:00007ffe5fc9e970 EFLAGS: 00010206
[  451.602677][    C0] RAX: 0000562cee6dc000 RBX: 00007f32ab899ad8 RCX: 000000000000aff1
[  451.602678][    C0] RDX: 0000000000000000 RSI: 0000000000000021 RDI: 0000562cee6dc010
[  451.602679][    C0] RBP: 00007ffe5fc9e9e0 R08: 0000000000000004 R09: 00007f32ab899ac0
[  451.602680][    C0] R10: 0000000000000004 R11: 00007f32ab899ac8 R12: 00007f32ab899ad8


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