======================================
| [   24.118904][    C2]  #1: ffffffff99d77d20 (rcu_read_lock){....}-{1:3}, at: unwind_next_frame (./include/linux/rcupdate.h:300 (discriminator 2) ./include/linux/rcupdate.h:838 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) arch/x86/kernel/unwind_orc.c:495 (discriminator 2))
| [   24.119054][    C2]  #2: ffffffff99d77c00 (rcu_callback){....}-{0:0}, at: rcu_do_batch (./include/linux/rcupdate.h:300 (discriminator 2) kernel/rcu/tree.c:2611 (discriminator 2))
| [   24.119201][    C2]
| [   24.119201][    C2] stack backtrace:
[   24.119308][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.119311][    C2] Call Trace:
[   24.119312][    C2]  <IRQ>
[   24.119313][    C2]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   24.119318][    C2]  print_usage_bug.part.0.cold (kernel/locking/lockdep.c:4042)
[   24.119321][    C2]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   24.119324][    C2]  mark_lock_irq (kernel/locking/lockdep.c:4013 kernel/locking/lockdep.c:4056 kernel/locking/lockdep.c:4267)
[   24.119326][    C2]  ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1061 (discriminator 37) arch/x86/kernel/apic/apic.c:1061 (discriminator 37))
[   24.119328][    C2]  ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:697)
[   24.119330][    C2]  ? save_trace (kernel/locking/lockdep.c:589)
[   24.119331][    C2]  ? get_user_pages_remote (mm/gup.c:1773 (discriminator 1) mm/gup.c:2614 (discriminator 1))
[   24.119335][    C2]  mark_lock (kernel/locking/lockdep.c:4753)
[   24.119337][    C2]  mark_usage (kernel/locking/lockdep.c:4642)
[   24.119338][    C2]  __lock_acquire (kernel/locking/lockdep.c:5191)
[   24.119340][    C2]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   24.119341][    C2]  ? rcu_do_batch (./include/linux/rcupdate.h:310 (discriminator 2) kernel/rcu/tree.c:2619 (discriminator 2))
[   24.119344][    C2]  lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.119346][    C2]  ? tcf_mirred_release (./include/linux/spinlock.h:342 net/sched/act_mirred.c:78) act_mirred
[   24.119348][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.119350][    C2]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   24.119351][    C2]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:158 (discriminator 1) kernel/locking/spinlock.c:158 (discriminator 1))
[   24.119353][    C2]  ? tcf_mirred_release (./include/linux/spinlock.h:342 net/sched/act_mirred.c:78) act_mirred
[   24.119355][    C2] tcf_mirred_release (./include/linux/spinlock.h:342 net/sched/act_mirred.c:78) act_mirred
[   24.119356][    C2]  tcf_action_rcu_free (net/sched/act_api.c:367 net/sched/act_api.c:378)
[   24.119358][    C2]  ? rcu_do_batch (./include/linux/rcupdate.h:310 (discriminator 2) kernel/rcu/tree.c:2619 (discriminator 2))
[   24.119360][    C2]  rcu_do_batch (kernel/rcu/tree.c:2617)
[   24.119362][    C2]  ? trace_rcu_batch_end (./include/trace/events/rcu.h:714 (discriminator 19))
[   24.119365][    C2]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   24.119366][    C2]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4411 (discriminator 2))
[   24.119367][    C2]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   24.119370][    C2]  rcu_core (kernel/rcu/tree.c:2869)
[   24.119372][    C2]  handle_softirqs (kernel/softirq.c:622)
[   24.119373][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.119376][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.119378][    C2]  ? _local_bh_enable (kernel/softirq.c:405 (discriminator 1))
[   24.119380][    C2]  __irq_exit_rcu (kernel/softirq.c:656 kernel/softirq.c:496 kernel/softirq.c:735)
[   24.119381][    C2]  irq_exit_rcu (kernel/softirq.c:752)
[   24.119383][    C2]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1061 (discriminator 37) arch/x86/kernel/apic/apic.c:1061 (discriminator 37))
[   24.119384][    C2]  </IRQ>
[   24.119385][    C2]  <TASK>
[   24.119386][    C2]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.119387][    C2]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:697)
[   24.119389][    C2] RIP: 0010:__orc_find (arch/x86/kernel/unwind_orc.c:101)
[   24.119391][    C2] Code: 89 f3 49 89 fb 48 b8 00 00 00 00 00 fc ff df 48 89 fe 49 89 f8 48 83 ec 30 eb 0c 4c 8d 42 04 49 89 d3 4d 39 c1 72 4d 4c 89 ca <4c> 29 c2 48 89 d1 48 c1 ea 3f 48 c1 f9 02 48 01 ca 48 d1 fa 49 8d
All code
========
   0:	89 f3                	mov    %esi,%ebx
   2:	49 89 fb             	mov    %rdi,%r11
   5:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   c:	fc ff df 
   f:	48 89 fe             	mov    %rdi,%rsi
  12:	49 89 f8             	mov    %rdi,%r8
  15:	48 83 ec 30          	sub    $0x30,%rsp
  19:	eb 0c                	jmp    0x27
  1b:	4c 8d 42 04          	lea    0x4(%rdx),%r8
  1f:	49 89 d3             	mov    %rdx,%r11
  22:	4d 39 c1             	cmp    %r8,%r9
  25:	72 4d                	jb     0x74
  27:	4c 89 ca             	mov    %r9,%rdx
  2a:*	4c 29 c2             	sub    %r8,%rdx		<-- trapping instruction
  2d:	48 89 d1             	mov    %rdx,%rcx
  30:	48 c1 ea 3f          	shr    $0x3f,%rdx
  34:	48 c1 f9 02          	sar    $0x2,%rcx
  38:	48 01 ca             	add    %rcx,%rdx
  3b:	48 d1 fa             	sar    $1,%rdx
  3e:	49                   	rex.WB
  3f:	8d                   	.byte 0x8d

Code starting with the faulting instruction
===========================================
   0:	4c 29 c2             	sub    %r8,%rdx
   3:	48 89 d1             	mov    %rdx,%rcx
   6:	48 c1 ea 3f          	shr    $0x3f,%rdx
   a:	48 c1 f9 02          	sar    $0x2,%rcx
   e:	48 01 ca             	add    %rcx,%rdx
  11:	48 d1 fa             	sar    $1,%rdx
  14:	49                   	rex.WB
  15:	8d                   	.byte 0x8d
[   24.119393][    C2] RSP: 0018:ffa00000007c71f0 EFLAGS: 00000202
[   24.119395][    C2] RAX: dffffc0000000000 RBX: ffffffff9a96e31c RCX: ffffffff9718f96c
[   24.119397][    C2] RDX: ffffffff9a7343e4 RSI: ffffffff9a7343d4 RDI: 0000000000000000
[   24.119398][    C2] RBP: 0000000000000001 R08: ffffffff9a7343e0 R09: ffffffff9a7343e4
[   24.119399][    C2] R10: ffffffff9718f98b R11: ffffffff9a7343dc R12: ffa00000007c7388
[   24.119399][    C2] R13: ffa00000007c7330 R14: ff11000004bd2340 R15: 0000000000000001
[   24.119401][    C2]  ? vm_mmap_pgoff (mm/util.c:581)
[   24.119403][    C2]  ? vm_mmap_pgoff (mm/util.c:581)
[   24.119405][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.119407][    C2]  unwind_next_frame (arch/x86/kernel/unwind_orc.c:217 arch/x86/kernel/unwind_orc.c:510)
[   24.119408][    C2]  ? vm_mmap_pgoff (mm/util.c:581)
[   24.119410][    C2]  ? kmem_cache_alloc_noprof (./include/linux/kasan.h:253 mm/slub.c:4570 mm/slub.c:4899 mm/slub.c:4906)
[   24.119414][    C2]  ? stack_access_ok (./arch/x86/include/asm/stacktrace.h:55)
[   24.119415][    C2]  ? vm_area_alloc (mm/vma_init.c:32 (discriminator 7))
[   24.119418][    C2]  ? __unwind_start (arch/x86/kernel/unwind_orc.c:787)
[   24.119419][    C2]  ? write_profile (profile.c:?)
[   24.119421][    C2]  arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   24.119424][    C2]  ? vm_mmap_pgoff (mm/util.c:581)
[   24.119426][    C2]  stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   24.119428][    C2]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   24.119431][    C2]  set_track_prepare (mm/slub.c:1038)
[   24.119434][    C2]  ? kmem_cache_alloc_noprof (./include/linux/kmemleak.h:44 mm/slub.c:4575 mm/slub.c:4899 mm/slub.c:4906)
[   24.119436][    C2]  ? vm_area_alloc (mm/vma_init.c:32 (discriminator 7))
[   24.119438][    C2]  ? __mmap_new_vma (mm/vma.c:2547)
[   24.119440][    C2]  ? __mmap_region (mm/vma.c:2771)
[   24.119441][    C2]  ? mmap_region (mm/vma.c:2857)
[   24.119442][    C2]  ? do_mmap (mm/mmap.c:560)
[   24.119444][    C2]  ? vm_mmap_pgoff (mm/util.c:581)
[   24.119446][    C2]  __alloc_object (mm/kmemleak.c:701)
[   24.119448][    C2]  __create_object (mm/kmemleak.c:779)
[   24.119449][    C2]  ? kasan_save_track (mm/kasan/common.c:78)
[   24.119452][    C2]  kmem_cache_alloc_noprof (./include/linux/kmemleak.h:44 mm/slub.c:4575 mm/slub.c:4899 mm/slub.c:4906)
[   24.119454][    C2]  vm_area_alloc (mm/vma_init.c:32 (discriminator 7))
[   24.119457][    C2]  __mmap_new_vma (mm/vma.c:2547)
[   24.119459][    C2]  ? __mmap_new_file_vma (./include/linux/maple_tree.h:622)
[   24.119460][    C2]  ? uprobe_apply (./include/linux/rcupdate_trace.h:106 (discriminator 1))
[   24.119463][    C2]  ? vma_set_page_prot (mm/mmap.c:87)
[   24.119466][    C2]  __mmap_region (mm/vma.c:2771)
[   24.119467][    C2]  ? vma_merge_new_range (mm/vma.c:1083)
[   24.119469][    C2]  ? filemap_get_pages (mm/filemap.c:2725)
[   24.119472][    C2]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   24.119474][    C2]  ? copy_page_to_iter (lib/iov_iter.c:374 lib/iov_iter.c:361)
[   24.119477][    C2]  ? folio_mark_accessed (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/page-flags.h:554 mm/swap.c:478 mm/swap.c:461)
[   24.119483][    C2]  ? mas_prev (lib/maple_tree.c:5211 lib/maple_tree.c:5204)
[   24.119489][    C2]  ? vm_unmapped_area (./include/trace/events/mmap.h:10 (discriminator 22) mm/mmap.c:674 (discriminator 22))
[   24.119492][    C2]  ? arch_get_unmapped_area_topdown (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/thread_info.h:133 arch/x86/kernel/sys_x86_64.c:177)
[   24.119497][    C2]  mmap_region (mm/vma.c:2857)
[   24.119500][    C2]  ? mm_take_all_locks (mm/vma.c:2266 (discriminator 1))
[   24.119502][    C2]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   24.119505][    C2]  ? __get_unmapped_area (./include/linux/security.h:1187 mm/mmap.c:863)
[   24.119507][    C2]  ? ovl_file_end_write (./include/linux/fs.h:1353)
[   24.119510][    C2]  do_mmap (mm/mmap.c:560)
[   24.119512][    C2]  ? __ia32_sys_brk (mm/mmap.c:116)
[   24.119514][    C2]  ? down_write_killable (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:4457 kernel/locking/rwsem.c:268 kernel/locking/rwsem.c:1346 kernel/locking/rwsem.c:1361 kernel/locking/rwsem.c:1639)
[   24.119516][    C2]  ? down_write (kernel/locking/rwsem.c:1627)
[   24.119518][    C2]  vm_mmap_pgoff (mm/util.c:581)
[   24.119521][    C2]  ? randomize_page (mm/util.c:387)
[   24.119523][    C2]  ? __fget_files (./include/linux/rcupdate.h:871 fs/file.c:1101)
[   24.119526][    C2]  ksys_mmap_pgoff (mm/mmap.c:606)
[   24.119528][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.119530][    C2]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   24.119532][    C2]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   24.119533][    C2]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   24.119534][    C2]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   24.119537][    C2]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   24.119539][    C2]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.119540][    C2] RIP: 0033:0x7feec0ca285c
[   24.119543][    C2] Code: 1e fa 41 f7 c1 ff 0f 00 00 75 33 55 48 89 e5 41 54 41 89 cc 53 48 89 fb 48 85 ff 74 51 45 89 e2 48 89 df b8 09 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 24 5b 41 5c 5d c3 0f 1f 80 00 00 00 00 c7 05
All code
========
   0:	1e                   	(bad)
   1:	fa                   	cli
   2:	41 f7 c1 ff 0f 00 00 	test   $0xfff,%r9d
   9:	75 33                	jne    0x3e
   b:	55                   	push   %rbp
   c:	48 89 e5             	mov    %rsp,%rbp
   f:	41 54                	push   %r12
  11:	41 89 cc             	mov    %ecx,%r12d
  14:	53                   	push   %rbx
  15:	48 89 fb             	mov    %rdi,%rbx
  18:	48 85 ff             	test   %rdi,%rdi
  1b:	74 51                	je     0x6e
  1d:	45 89 e2             	mov    %r12d,%r10d
  20:	48 89 df             	mov    %rbx,%rdi
  23:	b8 09 00 00 00       	mov    $0x9,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 24                	ja     0x56
  32:	5b                   	pop    %rbx
  33:	41 5c                	pop    %r12
  35:	5d                   	pop    %rbp
  36:	c3                   	ret
  37:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  3e:	c7                   	.byte 0xc7
  3f:	05                   	.byte 0x5

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 24                	ja     0x2c
   8:	5b                   	pop    %rbx
   9:	41 5c                	pop    %r12
   b:	5d                   	pop    %rbp
   c:	c3                   	ret
   d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  14:	c7                   	.byte 0xc7
  15:	05                   	.byte 0x5
[   24.119544][    C2] RSP: 002b:00007ffc48684a90 EFLAGS: 00000206 ORIG_RAX: 0000000000000009
[   24.119546][    C2] RAX: ffffffffffffffda RBX: 00007feec0c72000 RCX: 00007feec0ca285c
[   24.119547][    C2] RDX: 0000000000000003 RSI: 0000000000001000 RDI: 00007feec0c72000
[   24.119547][    C2] RBP: 00007ffc48684aa0 R08: 0000000000000005 R09: 0000000000001000
[   24.119548][    C2] R10: 0000000000000812 R11: 0000000000000206 R12: 0000000000000812


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