======================================
| [   89.798645][    C2]  #1: ffffffffb4377d20 (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))
| [   89.798941][    C2]  #2: ffffffffb4377c00 (rcu_callback){....}-{0:0}, at: rcu_do_batch (./include/linux/rcupdate.h:300 (discriminator 2) kernel/rcu/tree.c:2611 (discriminator 2))
| [   89.799225][    C2] Preemption disabled at:
| [   89.799228][    C2] handle_softirqs (kernel/softirq.c:463 (discriminator 1) kernel/softirq.c:598 (discriminator 1))
[   89.799584][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   89.799586][    C2] Call Trace:
[   89.799588][    C2]  <IRQ>
[   89.799590][    C2]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   89.799596][    C2]  ? handle_softirqs (kernel/softirq.c:463 (discriminator 1) kernel/softirq.c:598 (discriminator 1))
[   89.799598][    C2]  __might_resched.cold (kernel/sched/core.c:9163)
[   89.799602][    C2]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   89.799606][    C2]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   89.799609][    C2]  ? __kasan_slab_alloc (mm/kasan/common.c:340 mm/kasan/common.c:366)
[   89.799612][    C2]  ? __alloc_object (mm/kmemleak.c:483 (discriminator 1) mm/kmemleak.c:665 (discriminator 1))
[   89.799614][    C2]  ? __create_object (mm/kmemleak.c:779)
[   89.799615][    C2]  ? __kmalloc_cache_noprof (./include/linux/kmemleak.h:44 mm/slub.c:4575 mm/slub.c:4899 mm/slub.c:5415)
[   89.799620][    C2]  __mutex_lock (kernel/locking/mutex.c:623 kernel/locking/mutex.c:820)
[   89.799624][    C2]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   89.799627][    C2]  ? __tcf_chain_put (net/sched/cls_api.c:694)
[   89.799632][    C2]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   89.799633][    C2]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   89.799638][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   89.799642][    C2]  ? __tcf_chain_put (net/sched/cls_api.c:694)
[   89.799644][    C2]  __tcf_chain_put (net/sched/cls_api.c:694)
[   89.799646][    C2]  ? free_percpu.part.0 (./include/linux/spinlock.h:408 (discriminator 3) mm/percpu.c:2283 (discriminator 3))
[   89.799650][    C2]  tcf_action_rcu_free (net/sched/act_api.c:130 net/sched/act_api.c:370 net/sched/act_api.c:378)
[   89.799653][    C2]  ? rcu_do_batch (./include/linux/rcupdate.h:310 (discriminator 2) kernel/rcu/tree.c:2619 (discriminator 2))
[   89.799654][    C2]  rcu_do_batch (kernel/rcu/tree.c:2617)
[   89.799659][    C2]  ? trace_rcu_batch_end (./include/trace/events/rcu.h:714 (discriminator 19))
[   89.799663][    C2]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4411 (discriminator 2))
[   89.799664][    C2]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   89.799667][    C2]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:178 (discriminator 6) kernel/locking/spinlock.c:198 (discriminator 6))
[   89.799669][    C2]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   89.799672][    C2]  rcu_core (kernel/rcu/tree.c:2869)
[   89.799675][    C2]  handle_softirqs (kernel/softirq.c:622)
[   89.799676][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   89.799684][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   89.799686][    C2]  ? _local_bh_enable (kernel/softirq.c:405 (discriminator 1))
[   89.799689][    C2]  __irq_exit_rcu (kernel/softirq.c:656 kernel/softirq.c:496 kernel/softirq.c:735)
[   89.799691][    C2]  irq_exit_rcu (kernel/softirq.c:752)
[   89.799693][    C2]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1061 (discriminator 37) arch/x86/kernel/apic/apic.c:1061 (discriminator 37))
[   89.799695][    C2]  </IRQ>
[   89.799696][    C2]  <TASK>
[   89.799696][    C2]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   89.799698][    C2]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:697)
[   89.799701][    C2] RIP: 0010:orc_find.part.0 (arch/x86/kernel/unwind_orc.c:231 (discriminator 2))
[   89.799703][    C2] Code: 01 00 00 89 c8 8b 14 95 0c 61 16 b5 48 8d 34 40 48 8d b4 36 74 42 e8 b4 83 c2 01 48 81 fe 0c 61 16 b5 0f 83 04 01 00 00 89 d7 <48> 8d 3c 7f 48 8d bc 3f 74 42 e8 b4 48 81 ff 0c 61 16 b5 0f 87 e9
All code
========
   0:	01 00                	add    %eax,(%rax)
   2:	00 89 c8 8b 14 95    	add    %cl,-0x6aeb7438(%rcx)
   8:	0c 61                	or     $0x61,%al
   a:	16                   	(bad)
   b:	b5 48                	mov    $0x48,%ch
   d:	8d 34 40             	lea    (%rax,%rax,2),%esi
  10:	48 8d b4 36 74 42 e8 	lea    -0x4b17bd8c(%rsi,%rsi,1),%rsi
  17:	b4 
  18:	83 c2 01             	add    $0x1,%edx
  1b:	48 81 fe 0c 61 16 b5 	cmp    $0xffffffffb516610c,%rsi
  22:	0f 83 04 01 00 00    	jae    0x12c
  28:	89 d7                	mov    %edx,%edi
  2a:*	48 8d 3c 7f          	lea    (%rdi,%rdi,2),%rdi		<-- trapping instruction
  2e:	48 8d bc 3f 74 42 e8 	lea    -0x4b17bd8c(%rdi,%rdi,1),%rdi
  35:	b4 
  36:	48 81 ff 0c 61 16 b5 	cmp    $0xffffffffb516610c,%rdi
  3d:	0f                   	.byte 0xf
  3e:	87 e9                	xchg   %ebp,%ecx

Code starting with the faulting instruction
===========================================
   0:	48 8d 3c 7f          	lea    (%rdi,%rdi,2),%rdi
   4:	48 8d bc 3f 74 42 e8 	lea    -0x4b17bd8c(%rdi,%rdi,1),%rdi
   b:	b4 
   c:	48 81 ff 0c 61 16 b5 	cmp    $0xffffffffb516610c,%rdi
  13:	0f                   	.byte 0xf
  14:	87 e9                	xchg   %ebp,%ecx
[   89.799705][    C2] RSP: 0018:ffa0000001d76f68 EFLAGS: 00000293
[   89.799708][    C2] RAX: 000000000002a9ad RBX: ffffffffb18ced87 RCX: 000000000002a9ad
[   89.799709][    C2] RDX: 000000000002a9b4 RSI: ffffffffb4f83c82 RDI: 000000000002a9b4
[   89.799710][    C2] RBP: 0000000000000001 R08: 0000000000000001 R09: ff11000010342e58
[   89.799711][    C2] R10: 0000000000010ced R11: 000000000002c952 R12: ffa0000001d770f8
[   89.799711][    C2] R13: ffa0000001d770a0 R14: ff11000010342340 R15: 0000000000000000
[   89.799714][    C2]  ? 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))
[   89.799720][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   89.799722][    C2]  unwind_next_frame (arch/x86/kernel/unwind_orc.c:217 arch/x86/kernel/unwind_orc.c:510)
[   89.799724][    C2]  ? 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))
[   89.799727][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   89.799730][    C2]  ? stack_access_ok (./arch/x86/include/asm/stacktrace.h:55)
[   89.799733][    C2]  ? __unwind_start (arch/x86/kernel/unwind_orc.c:787)
[   89.799735][    C2]  ? write_profile (profile.c:?)
[   89.799739][    C2]  arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   89.799743][    C2]  ? 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))
[   89.799747][    C2]  stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   89.799750][    C2]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   89.799755][    C2]  kasan_save_stack (mm/kasan/common.c:57)
[   89.799757][    C2]  ? kasan_save_stack (mm/kasan/common.c:57)
[   89.799759][    C2]  ? kasan_save_track (mm/kasan/common.c:78)
[   89.799761][    C2]  ? __kasan_slab_alloc (mm/kasan/common.c:340 mm/kasan/common.c:366)
[   89.799762][    C2]  ? kmem_cache_alloc_noprof (./include/linux/kasan.h:253 mm/slub.c:4570 mm/slub.c:4899 mm/slub.c:4906)
[   89.799764][    C2]  ? __alloc_object (mm/kmemleak.c:483 (discriminator 1) mm/kmemleak.c:665 (discriminator 1))
[   89.799765][    C2]  ? __create_object (mm/kmemleak.c:779)
[   89.799766][    C2]  ? __kmalloc_cache_noprof (./include/linux/kmemleak.h:44 mm/slub.c:4575 mm/slub.c:4899 mm/slub.c:5415)
[   89.799768][    C2]  ? 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))
[   89.799782][    C2]  kasan_save_track (mm/kasan/common.c:78)
[   89.799784][    C2]  __kasan_slab_alloc (mm/kasan/common.c:340 mm/kasan/common.c:366)
[   89.799787][    C2]  kmem_cache_alloc_noprof (./include/linux/kasan.h:253 mm/slub.c:4570 mm/slub.c:4899 mm/slub.c:4906)
[   89.799791][    C2]  __alloc_object (mm/kmemleak.c:483 (discriminator 1) mm/kmemleak.c:665 (discriminator 1))
[   89.799793][    C2]  __create_object (mm/kmemleak.c:779)
[   89.799795][    C2]  __kmalloc_cache_noprof (./include/linux/kmemleak.h:44 mm/slub.c:4575 mm/slub.c:4899 mm/slub.c:5415)
[   89.799799][    C2]  ? vms_complete_munmap_vmas (mm/vma.c:1361)
[   89.799802][    C2]  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))
[   89.799804][    C2]  ? fput (./include/linux/preempt.h:468 ./include/linux/file_ref.h:150 fs/file_table.c:586)
[   89.799807][    C2]  vms_complete_munmap_vmas (mm/vma.c:1361)
[   89.799811][    C2]  ? __mmap_new_vma (./include/linux/fs.h:523 mm/vma.c:1840 mm/vma.c:2585)
[   89.799812][    C2]  ? perf_event_mmap (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 kernel/events/core.c:9932)
[   89.799816][    C2]  ? __mmap_new_vma (mm/vma.h:615 mm/vma.h:623 mm/vma.c:2583)
[   89.799821][    C2]  ? vma_set_page_prot (mm/mmap.c:87)
[   89.799826][    C2]  __mmap_region (mm/vma.c:2617 mm/vma.c:2780)
[   89.799828][    C2]  ? vma_merge_new_range (mm/vma.c:1083)
[   89.799830][    C2]  ? filemap_get_pages (mm/filemap.c:2725)
[   89.799836][    C2]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   89.799839][    C2]  ? copy_page_to_iter (lib/iov_iter.c:374 lib/iov_iter.c:361)
[   89.799843][    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)
[   89.799857][    C2]  ? mas_prev (lib/maple_tree.c:5211 lib/maple_tree.c:5204)
[   89.799871][    C2]  ? vm_unmapped_area (./include/trace/events/mmap.h:10 (discriminator 22) mm/mmap.c:674 (discriminator 22))
[   89.799874][    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)
[   89.799879][    C2]  mmap_region (mm/vma.c:2857)
[   89.799882][    C2]  ? mm_take_all_locks (mm/vma.c:2266 (discriminator 1))
[   89.799883][    C2]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   89.799888][    C2]  ? __get_unmapped_area (./include/linux/security.h:1187 mm/mmap.c:863)
[   89.799891][    C2]  ? ovl_file_end_write (./include/linux/fs.h:1353)
[   89.799894][    C2]  do_mmap (mm/mmap.c:560)
[   89.799898][    C2]  ? __ia32_sys_brk (mm/mmap.c:116)
[   89.799900][    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)
[   89.799902][    C2]  ? down_write (kernel/locking/rwsem.c:1627)
[   89.799906][    C2]  vm_mmap_pgoff (mm/util.c:581)
[   89.799910][    C2]  ? randomize_page (mm/util.c:387)
[   89.799914][    C2]  ? __fget_files (./include/linux/rcupdate.h:871 fs/file.c:1101)
[   89.799919][    C2]  ksys_mmap_pgoff (mm/mmap.c:606)
[   89.799921][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   89.799924][    C2]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   89.799926][    C2]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   89.799927][    C2]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   89.799928][    C2]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   89.799932][    C2]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   89.799934][    C2]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   89.799936][    C2] RIP: 0033:0x7fdcb86ef85c
[   89.799939][    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
[   89.799940][    C2] RSP: 002b:00007ffe2f282900 EFLAGS: 00000206 ORIG_RAX: 0000000000000009
[   89.799942][    C2] RAX: ffffffffffffffda RBX: 00007fdcb86b9000 RCX: 00007fdcb86ef85c
[   89.799943][    C2] RDX: 0000000000000003 RSI: 0000000000002000 RDI: 00007fdcb86b9000
[   89.799944][    C2] RBP: 00007ffe2f282910 R08: 0000000000000005 R09: 000000000002f000
[   89.799944][    C2] R10: 0000000000000812 R11: 0000000000000206 R12: 0000000000000812
[   89.799945][    C2] R13: 00007ffe2f282990 R14: 00007ffe2f282dc0 R15: 000000000002e954
| [   89.819420][    C2]  #1: ffffffffb4377d20 (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))
| [   89.819559][    C2]  #2: ffffffffb4377c00 (rcu_callback){....}-{0:0}, at: rcu_do_batch (./include/linux/rcupdate.h:300 (discriminator 2) kernel/rcu/tree.c:2611 (discriminator 2))
| [   89.819694][    C2] stack backtrace:
| [   89.819757][    C2] Tainted: [W]=WARN
[   89.819758][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   89.819759][    C2] Call Trace:
[   89.819760][    C2]  <IRQ>
[   89.819761][    C2]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   89.819764][    C2]  __lock_acquire.cold (kernel/locking/lockdep.c:4830 kernel/locking/lockdep.c:4902 kernel/locking/lockdep.c:5187)
[   89.819767][    C2]  ? dump_stack_lvl (lib/dump_stack.c:123 (discriminator 7))
[   89.819769][    C2]  lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   89.819771][    C2]  ? __tcf_chain_put (net/sched/cls_api.c:694)
[   89.819773][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   89.819775][    C2]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   89.819777][    C2]  __mutex_lock (kernel/locking/mutex.c:646 kernel/locking/mutex.c:820)
[   89.819779][    C2]  ? __tcf_chain_put (net/sched/cls_api.c:694)
[   89.819781][    C2]  ? __tcf_chain_put (net/sched/cls_api.c:694)
[   89.819783][    C2]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   89.819784][    C2]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   89.819786][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   89.819788][    C2]  ? __tcf_chain_put (net/sched/cls_api.c:694)
[   89.819790][    C2]  __tcf_chain_put (net/sched/cls_api.c:694)
[   89.819791][    C2]  ? free_percpu.part.0 (./include/linux/spinlock.h:408 (discriminator 3) mm/percpu.c:2283 (discriminator 3))
[   89.819794][    C2]  tcf_action_rcu_free (net/sched/act_api.c:130 net/sched/act_api.c:370 net/sched/act_api.c:378)
[   89.819795][    C2]  ? rcu_do_batch (./include/linux/rcupdate.h:310 (discriminator 2) kernel/rcu/tree.c:2619 (discriminator 2))
[   89.819797][    C2]  rcu_do_batch (kernel/rcu/tree.c:2617)
[   89.819799][    C2]  ? trace_rcu_batch_end (./include/trace/events/rcu.h:714 (discriminator 19))
[   89.819801][    C2]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4411 (discriminator 2))
[   89.819803][    C2]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   89.819805][    C2]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:178 (discriminator 6) kernel/locking/spinlock.c:198 (discriminator 6))
[   89.819806][    C2]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   89.819808][    C2]  rcu_core (kernel/rcu/tree.c:2869)
[   89.819810][    C2]  handle_softirqs (kernel/softirq.c:622)
[   89.819812][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   89.819814][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   89.819816][    C2]  ? _local_bh_enable (kernel/softirq.c:405 (discriminator 1))
[   89.819818][    C2]  __irq_exit_rcu (kernel/softirq.c:656 kernel/softirq.c:496 kernel/softirq.c:735)
[   89.819819][    C2]  irq_exit_rcu (kernel/softirq.c:752)
[   89.819820][    C2]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1061 (discriminator 37) arch/x86/kernel/apic/apic.c:1061 (discriminator 37))
[   89.819822][    C2]  </IRQ>
[   89.819823][    C2]  <TASK>
[   89.819823][    C2]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   89.819825][    C2]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:697)
[   89.819826][    C2] RIP: 0010:orc_find.part.0 (arch/x86/kernel/unwind_orc.c:231 (discriminator 2))
[   89.819828][    C2] Code: 01 00 00 89 c8 8b 14 95 0c 61 16 b5 48 8d 34 40 48 8d b4 36 74 42 e8 b4 83 c2 01 48 81 fe 0c 61 16 b5 0f 83 04 01 00 00 89 d7 <48> 8d 3c 7f 48 8d bc 3f 74 42 e8 b4 48 81 ff 0c 61 16 b5 0f 87 e9
All code
========
   0:	01 00                	add    %eax,(%rax)
   2:	00 89 c8 8b 14 95    	add    %cl,-0x6aeb7438(%rcx)
   8:	0c 61                	or     $0x61,%al
   a:	16                   	(bad)
   b:	b5 48                	mov    $0x48,%ch
   d:	8d 34 40             	lea    (%rax,%rax,2),%esi
  10:	48 8d b4 36 74 42 e8 	lea    -0x4b17bd8c(%rsi,%rsi,1),%rsi
  17:	b4 
  18:	83 c2 01             	add    $0x1,%edx
  1b:	48 81 fe 0c 61 16 b5 	cmp    $0xffffffffb516610c,%rsi
  22:	0f 83 04 01 00 00    	jae    0x12c
  28:	89 d7                	mov    %edx,%edi
  2a:*	48 8d 3c 7f          	lea    (%rdi,%rdi,2),%rdi		<-- trapping instruction
  2e:	48 8d bc 3f 74 42 e8 	lea    -0x4b17bd8c(%rdi,%rdi,1),%rdi
  35:	b4 
  36:	48 81 ff 0c 61 16 b5 	cmp    $0xffffffffb516610c,%rdi
  3d:	0f                   	.byte 0xf
  3e:	87 e9                	xchg   %ebp,%ecx

Code starting with the faulting instruction
===========================================
   0:	48 8d 3c 7f          	lea    (%rdi,%rdi,2),%rdi
   4:	48 8d bc 3f 74 42 e8 	lea    -0x4b17bd8c(%rdi,%rdi,1),%rdi
   b:	b4 
   c:	48 81 ff 0c 61 16 b5 	cmp    $0xffffffffb516610c,%rdi
  13:	0f                   	.byte 0xf
  14:	87 e9                	xchg   %ebp,%ecx
[   89.819829][    C2] RSP: 0018:ffa0000001d76f68 EFLAGS: 00000293
[   89.819831][    C2] RAX: 000000000002a9ad RBX: ffffffffb18ced87 RCX: 000000000002a9ad
[   89.819832][    C2] RDX: 000000000002a9b4 RSI: ffffffffb4f83c82 RDI: 000000000002a9b4
[   89.819833][    C2] RBP: 0000000000000001 R08: 0000000000000001 R09: ff11000010342e58
[   89.819834][    C2] R10: 0000000000010ced R11: 000000000002c952 R12: ffa0000001d770f8
[   89.819834][    C2] R13: ffa0000001d770a0 R14: ff11000010342340 R15: 0000000000000000
[   89.819836][    C2]  ? 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))
[   89.819839][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   89.819841][    C2]  unwind_next_frame (arch/x86/kernel/unwind_orc.c:217 arch/x86/kernel/unwind_orc.c:510)
[   89.819842][    C2]  ? 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))
[   89.819844][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   89.819846][    C2]  ? stack_access_ok (./arch/x86/include/asm/stacktrace.h:55)
[   89.819848][    C2]  ? __unwind_start (arch/x86/kernel/unwind_orc.c:787)
[   89.819849][    C2]  ? write_profile (profile.c:?)
[   89.819851][    C2]  arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   89.819854][    C2]  ? 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))
[   89.819856][    C2]  stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   89.819858][    C2]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   89.819861][    C2]  kasan_save_stack (mm/kasan/common.c:57)
[   89.819863][    C2]  ? kasan_save_stack (mm/kasan/common.c:57)
[   89.819865][    C2]  ? kasan_save_track (mm/kasan/common.c:78)
[   89.819866][    C2]  ? __kasan_slab_alloc (mm/kasan/common.c:340 mm/kasan/common.c:366)
[   89.819868][    C2]  ? kmem_cache_alloc_noprof (./include/linux/kasan.h:253 mm/slub.c:4570 mm/slub.c:4899 mm/slub.c:4906)
[   89.819869][    C2]  ? __alloc_object (mm/kmemleak.c:483 (discriminator 1) mm/kmemleak.c:665 (discriminator 1))
[   89.819870][    C2]  ? __create_object (mm/kmemleak.c:779)
[   89.819871][    C2]  ? __kmalloc_cache_noprof (./include/linux/kmemleak.h:44 mm/slub.c:4575 mm/slub.c:4899 mm/slub.c:5415)
[   89.819873][    C2]  ? 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))
[   89.819878][    C2]  kasan_save_track (mm/kasan/common.c:78)
[   89.819880][    C2]  __kasan_slab_alloc (mm/kasan/common.c:340 mm/kasan/common.c:366)
[   89.819881][    C2]  kmem_cache_alloc_noprof (./include/linux/kasan.h:253 mm/slub.c:4570 mm/slub.c:4899 mm/slub.c:4906)
[   89.819884][    C2]  __alloc_object (mm/kmemleak.c:483 (discriminator 1) mm/kmemleak.c:665 (discriminator 1))
[   89.819885][    C2]  __create_object (mm/kmemleak.c:779)
[   89.819887][    C2]  __kmalloc_cache_noprof (./include/linux/kmemleak.h:44 mm/slub.c:4575 mm/slub.c:4899 mm/slub.c:5415)
[   89.819889][    C2]  ? vms_complete_munmap_vmas (mm/vma.c:1361)
[   89.819891][    C2]  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))
[   89.819892][    C2]  ? fput (./include/linux/preempt.h:468 ./include/linux/file_ref.h:150 fs/file_table.c:586)
[   89.819894][    C2]  vms_complete_munmap_vmas (mm/vma.c:1361)
[   89.819896][    C2]  ? __mmap_new_vma (./include/linux/fs.h:523 mm/vma.c:1840 mm/vma.c:2585)
[   89.819897][    C2]  ? perf_event_mmap (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 kernel/events/core.c:9932)
[   89.819900][    C2]  ? __mmap_new_vma (mm/vma.h:615 mm/vma.h:623 mm/vma.c:2583)
[   89.819902][    C2]  ? vma_set_page_prot (mm/mmap.c:87)
[   89.819905][    C2]  __mmap_region (mm/vma.c:2617 mm/vma.c:2780)
[   89.819906][    C2]  ? vma_merge_new_range (mm/vma.c:1083)
[   89.819907][    C2]  ? filemap_get_pages (mm/filemap.c:2725)
[   89.819910][    C2]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   89.819912][    C2]  ? copy_page_to_iter (lib/iov_iter.c:374 lib/iov_iter.c:361)
[   89.819914][    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)
[   89.819919][    C2]  ? mas_prev (lib/maple_tree.c:5211 lib/maple_tree.c:5204)
[   89.819924][    C2]  ? vm_unmapped_area (./include/trace/events/mmap.h:10 (discriminator 22) mm/mmap.c:674 (discriminator 22))
[   89.819926][    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)
[   89.819929][    C2]  mmap_region (mm/vma.c:2857)
[   89.819930][    C2]  ? mm_take_all_locks (mm/vma.c:2266 (discriminator 1))
[   89.819932][    C2]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   89.819934][    C2]  ? __get_unmapped_area (./include/linux/security.h:1187 mm/mmap.c:863)
[   89.819936][    C2]  ? ovl_file_end_write (./include/linux/fs.h:1353)
[   89.819938][    C2]  do_mmap (mm/mmap.c:560)
[   89.819940][    C2]  ? __ia32_sys_brk (mm/mmap.c:116)
[   89.819942][    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)
[   89.819943][    C2]  ? down_write (kernel/locking/rwsem.c:1627)
[   89.819945][    C2]  vm_mmap_pgoff (mm/util.c:581)
[   89.819947][    C2]  ? randomize_page (mm/util.c:387)
[   89.819949][    C2]  ? __fget_files (./include/linux/rcupdate.h:871 fs/file.c:1101)
[   89.819952][    C2]  ksys_mmap_pgoff (mm/mmap.c:606)
[   89.819953][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   89.819955][    C2]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   89.819957][    C2]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   89.819958][    C2]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   89.819959][    C2]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   89.819961][    C2]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   89.819963][    C2]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   89.819964][    C2] RIP: 0033:0x7fdcb86ef85c
[   89.819966][    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
[   89.819967][    C2] RSP: 002b:00007ffe2f282900 EFLAGS: 00000206 ORIG_RAX: 0000000000000009
[   89.819968][    C2] RAX: ffffffffffffffda RBX: 00007fdcb86b9000 RCX: 00007fdcb86ef85c
[   89.819969][    C2] RDX: 0000000000000003 RSI: 0000000000002000 RDI: 00007fdcb86b9000
[   89.819970][    C2] RBP: 00007ffe2f282910 R08: 0000000000000005 R09: 000000000002f000
[   89.819971][    C2] R10: 0000000000000812 R11: 0000000000000206 R12: 0000000000000812


Finger prints:
handle_softirqs:dump_stack_lvl:__mutex_lock:__tcf_chain_put:tcf_action_rcu_free
__mutex_lock:__tcf_chain_put:tcf_action_rcu_free:rcu_do_batch:rcu_core