======================================
| [  132.986555][    C1]  #1: ffffffffb0577d20 (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))
| [  132.986717][    C1]  #2: ffffffffb0577c00 (rcu_callback){....}-{0:0}, at: rcu_do_batch (./include/linux/rcupdate.h:300 (discriminator 2) kernel/rcu/tree.c:2611 (discriminator 2))
| [  132.986886][    C1]
| [  132.986886][    C1] stack backtrace:
[  132.987061][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  132.987063][    C1] Call Trace:
[  132.987064][    C1]  <IRQ>
[  132.987066][    C1]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  132.987070][    C1]  print_usage_bug.part.0.cold (kernel/locking/lockdep.c:4042)
[  132.987073][    C1]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  132.987077][    C1]  mark_lock_irq (kernel/locking/lockdep.c:4013 kernel/locking/lockdep.c:4056 kernel/locking/lockdep.c:4267)
[  132.987078][    C1]  ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1061 (discriminator 37) arch/x86/kernel/apic/apic.c:1061 (discriminator 37))
[  132.987081][    C1]  ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:697)
[  132.987083][    C1]  ? save_trace (kernel/locking/lockdep.c:589)
[  132.987084][    C1]  ? __mmap_new_file_vma (mm/vma.c:2506)
[  132.987088][    C1]  mark_lock (kernel/locking/lockdep.c:4753)
[  132.987090][    C1]  mark_usage (kernel/locking/lockdep.c:4642)
[  132.987092][    C1]  __lock_acquire (kernel/locking/lockdep.c:5191)
[  132.987093][    C1]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  132.987095][    C1]  ? rcu_do_batch (./include/linux/rcupdate.h:310 (discriminator 2) kernel/rcu/tree.c:2619 (discriminator 2))
[  132.987098][    C1]  lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  132.987099][    C1]  ? tcf_mirred_release (./include/linux/spinlock.h:342 net/sched/act_mirred.c:78) act_mirred
[  132.987101][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  132.987103][    C1]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  132.987105][    C1]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:158 (discriminator 1) kernel/locking/spinlock.c:158 (discriminator 1))
[  132.987107][    C1]  ? tcf_mirred_release (./include/linux/spinlock.h:342 net/sched/act_mirred.c:78) act_mirred
[  132.987109][    C1] tcf_mirred_release (./include/linux/spinlock.h:342 net/sched/act_mirred.c:78) act_mirred
[  132.987111][    C1]  tcf_action_rcu_free (net/sched/act_api.c:367 net/sched/act_api.c:378)
[  132.987112][    C1]  ? rcu_do_batch (./include/linux/rcupdate.h:310 (discriminator 2) kernel/rcu/tree.c:2619 (discriminator 2))
[  132.987114][    C1]  rcu_do_batch (kernel/rcu/tree.c:2617)
[  132.987116][    C1]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  132.987118][    C1]  ? sched_balance_softirq (kernel/sched/fair.c:13350)
[  132.987121][    C1]  ? trace_rcu_batch_end (./include/trace/events/rcu.h:714 (discriminator 19))
[  132.987123][    C1]  ? sched_balance_domains (kernel/sched/fair.c:12634)
[  132.987125][    C1]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  132.987126][    C1]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4411 (discriminator 2))
[  132.987128][    C1]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  132.987130][    C1]  rcu_core (kernel/rcu/tree.c:2869)
[  132.987132][    C1]  handle_softirqs (kernel/softirq.c:622)
[  132.987134][    C1]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  132.987137][    C1]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  132.987138][    C1]  ? _local_bh_enable (kernel/softirq.c:405 (discriminator 1))
[  132.987140][    C1]  __irq_exit_rcu (kernel/softirq.c:656 kernel/softirq.c:496 kernel/softirq.c:735)
[  132.987142][    C1]  irq_exit_rcu (kernel/softirq.c:752)
[  132.987143][    C1]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1061 (discriminator 37) arch/x86/kernel/apic/apic.c:1061 (discriminator 37))
[  132.987145][    C1]  </IRQ>
[  132.987146][    C1]  <TASK>
[  132.987147][    C1]  ? init_data_structures_once.part.0 (kernel/locking/lockdep.c:3397 (discriminator 1) kernel/locking/lockdep.c:3438 (discriminator 1) kernel/locking/lockdep.c:3482 (discriminator 1) kernel/locking/lockdep.c:1210 (discriminator 1))
[  132.987148][    C1]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:697)
[  132.987150][    C1] RIP: 0010:lock_release (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/locking/lockdep.c:5885 kernel/locking/lockdep.c:5875)
[  132.987152][    C1] Code: 85 d2 0f 85 84 00 00 00 65 48 8b 05 c0 8b 33 04 8b 80 ec 0a 00 00 85 c0 75 72 48 81 3b a0 1d 6c b1 74 69 4c 89 7c 24 18 9c 58 <49> 89 c7 fa 48 c7 c7 cd 44 03 b0 e8 46 16 33 02 4c 89 f6 48 89 df
All code
========
   0:	85 d2                	test   %edx,%edx
   2:	0f 85 84 00 00 00    	jne    0x8c
   8:	65 48 8b 05 c0 8b 33 	mov    %gs:0x4338bc0(%rip),%rax        # 0x4338bd0
   f:	04 
  10:	8b 80 ec 0a 00 00    	mov    0xaec(%rax),%eax
  16:	85 c0                	test   %eax,%eax
  18:	75 72                	jne    0x8c
  1a:	48 81 3b a0 1d 6c b1 	cmpq   $0xffffffffb16c1da0,(%rbx)
  21:	74 69                	je     0x8c
  23:	4c 89 7c 24 18       	mov    %r15,0x18(%rsp)
  28:	9c                   	pushf
  29:	58                   	pop    %rax
  2a:*	49 89 c7             	mov    %rax,%r15		<-- trapping instruction
  2d:	fa                   	cli
  2e:	48 c7 c7 cd 44 03 b0 	mov    $0xffffffffb00344cd,%rdi
  35:	e8 46 16 33 02       	call   0x2331680
  3a:	4c 89 f6             	mov    %r14,%rsi
  3d:	48 89 df             	mov    %rbx,%rdi

Code starting with the faulting instruction
===========================================
   0:	49 89 c7             	mov    %rax,%r15
   3:	fa                   	cli
   4:	48 c7 c7 cd 44 03 b0 	mov    $0xffffffffb00344cd,%rdi
   b:	e8 46 16 33 02       	call   0x2331656
  10:	4c 89 f6             	mov    %r14,%rsi
  13:	48 89 df             	mov    %rbx,%rdi
[  132.987154][    C1] RSP: 0018:ffa0000000567078 EFLAGS: 00000202
[  132.987157][    C1] RAX: 0000000000000202 RBX: ffffffffb0577d20 RCX: 0000000000000001
[  132.987158][    C1] RDX: 0000000000000000 RSI: ffffffffafa6f640 RDI: ffffffffb009e948
[  132.987159][    C1] RBP: ffa0000000567be8 R08: ffffffffb117d72a R09: ffffffffb0f3e688
[  132.987160][    C1] R10: 0000000000000001 R11: 0000000000000000 R12: ffa0000000567b01
[  132.987161][    C1] R13: ffa00000005671a0 R14: ffffffffad14a6e1 R15: ffffffffada81b39
[  132.987162][    C1]  ? vms_complete_munmap_vmas (mm/vma.c:1361)
[  132.987163][    C1]  ? unwind_next_frame (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) arch/x86/kernel/unwind_orc.c:495 (discriminator 2))
[  132.987166][    C1]  ? vms_complete_munmap_vmas (mm/vma.c:1361)
[  132.987168][    C1]  unwind_next_frame (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) arch/x86/kernel/unwind_orc.c:495 (discriminator 2))
[  132.987169][    C1]  ? __mmap_region (mm/vma.c:2617 mm/vma.c:2780)
[  132.987171][    C1]  ? stack_access_ok (./arch/x86/include/asm/stacktrace.h:55)
[  132.987173][    C1]  ? __unwind_start (arch/x86/kernel/unwind_orc.c:787)
[  132.987174][    C1]  ? write_profile (profile.c:?)
[  132.987177][    C1]  arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[  132.987181][    C1]  ? mmap_region (mm/vma.c:2857)
[  132.987183][    C1]  stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  132.987185][    C1]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  132.987187][    C1]  ? __kernel_text_address (kernel/extable.c:79)
[  132.987189][    C1]  ? write_profile (profile.c:?)
[  132.987191][    C1]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  132.987193][    C1]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  132.987195][    C1]  kasan_save_stack (mm/kasan/common.c:57)
[  132.987198][    C1]  ? kasan_save_stack (mm/kasan/common.c:57)
[  132.987200][    C1]  ? kasan_save_track (mm/kasan/common.c:78)
[  132.987202][    C1]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  132.987204][    C1]  ? kmem_cache_free (./include/linux/slab.h:950 (discriminator 1) mm/slub.c:2641 (discriminator 1) mm/slub.c:6251 (discriminator 1) mm/slub.c:6378 (discriminator 1))
[  132.987207][    C1]  ? vms_complete_munmap_vmas (mm/vma.c:1361)
[  132.987208][    C1]  ? __mmap_region (mm/vma.c:2617 mm/vma.c:2780)
[  132.987213][    C1]  kasan_save_track (mm/kasan/common.c:78)
[  132.987215][    C1]  __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  132.987217][    C1]  kmem_cache_free (./include/linux/slab.h:950 (discriminator 1) mm/slub.c:2641 (discriminator 1) mm/slub.c:6251 (discriminator 1) mm/slub.c:6378 (discriminator 1))
[  132.987219][    C1]  ? fput (./include/linux/preempt.h:468 ./include/linux/file_ref.h:150 fs/file_table.c:586)
[  132.987222][    C1]  vms_complete_munmap_vmas (mm/vma.c:1361)
[  132.987224][    C1]  ? __mmap_new_vma (./include/linux/fs.h:523 mm/vma.c:1840 mm/vma.c:2585)
[  132.987226][    C1]  ? perf_event_mmap (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 kernel/events/core.c:9932)
[  132.987229][    C1]  ? __mmap_new_vma (mm/vma.h:615 mm/vma.h:623 mm/vma.c:2583)
[  132.987231][    C1]  ? vma_set_page_prot (mm/mmap.c:87)
[  132.987235][    C1]  __mmap_region (mm/vma.c:2617 mm/vma.c:2780)
[  132.987236][    C1]  ? vma_merge_new_range (mm/vma.c:1083)
[  132.987238][    C1]  ? filemap_get_pages (mm/filemap.c:2725)
[  132.987241][    C1]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  132.987246][    C1]  ? copy_page_to_iter (lib/iov_iter.c:374 lib/iov_iter.c:361)
[  132.987250][    C1]  ? 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)
[  132.987255][    C1]  ? mas_prev (lib/maple_tree.c:5211 lib/maple_tree.c:5204)
[  132.987262][    C1]  ? vm_unmapped_area (./include/trace/events/mmap.h:10 (discriminator 22) mm/mmap.c:674 (discriminator 22))
[  132.987264][    C1]  ? 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)
[  132.987268][    C1]  mmap_region (mm/vma.c:2857)
[  132.987270][    C1]  ? mm_take_all_locks (mm/vma.c:2266 (discriminator 1))
[  132.987271][    C1]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  132.987274][    C1]  ? __get_unmapped_area (./include/linux/security.h:1187 mm/mmap.c:863)
[  132.987276][    C1]  ? ovl_file_end_write (./include/linux/fs.h:1353)
[  132.987279][    C1]  do_mmap (mm/mmap.c:560)
[  132.987282][    C1]  ? __ia32_sys_brk (mm/mmap.c:116)
[  132.987284][    C1]  ? 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)
[  132.987286][    C1]  ? down_write (kernel/locking/rwsem.c:1627)
[  132.987288][    C1]  vm_mmap_pgoff (mm/util.c:581)
[  132.987290][    C1]  ? randomize_page (mm/util.c:387)
[  132.987293][    C1]  ? __fget_files (./include/linux/rcupdate.h:871 fs/file.c:1101)
[  132.987296][    C1]  ksys_mmap_pgoff (mm/mmap.c:606)
[  132.987298][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  132.987300][    C1]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  132.987301][    C1]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[  132.987303][    C1]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  132.987304][    C1]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  132.987307][    C1]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  132.987309][    C1]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  132.987310][    C1] RIP: 0033:0x7f8fc08d285c
[  132.987313][    C1] 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
[  132.987314][    C1] RSP: 002b:00007ffe7935fb60 EFLAGS: 00000206 ORIG_RAX: 0000000000000009
[  132.987315][    C1] RAX: ffffffffffffffda RBX: 00007f8fc07de000 RCX: 00007f8fc08d285c
[  132.987316][    C1] RDX: 0000000000000001 RSI: 0000000000003000 RDI: 00007f8fc07de000
[  132.987317][    C1] RBP: 00007ffe7935fb70 R08: 0000000000000005 R09: 0000000000002000
[  132.987318][    C1] R10: 0000000000000812 R11: 0000000000000206 R12: 0000000000000812


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