======================================
| [ 13.767524][ C2] #1: ffffffffac174ae0 (rcu_read_lock){....}-{1:3}, at: unwind_next_frame (./include/linux/rcupdate.h:331 ./include/linux/rcupdate.h:841 ./include/linux/rcupdate.h:1155 arch/x86/kernel/unwind_orc.c:479) 
| [ 13.767956][ C2] #2: ffffffffac1749c0 (rcu_callback){....}-{0:0}, at: rcu_do_batch (./include/linux/rcupdate.h:331 kernel/rcu/tree.c:2562) 
| [   13.768384][    C2]
| [   13.768384][    C2] stack backtrace:
[   13.768691][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.768693][    C2] Call Trace:
[   13.768694][    C2]  <IRQ>
[ 13.768696][ C2] dump_stack_lvl (lib/dump_stack.c:123) 
[ 13.768702][ C2] print_usage_bug.part.0 (kernel/locking/lockdep.c:4046) 
[ 13.768707][ C2] mark_lock_irq (kernel/locking/lockdep.c:4011 kernel/locking/lockdep.c:4057 kernel/locking/lockdep.c:4268) 
[ 13.768711][ C2] ? __pfx_unwind_next_frame (arch/x86/kernel/unwind_orc.c:469) 
[ 13.768715][ C2] ? save_trace (kernel/locking/lockdep.c:594) 
[ 13.768720][ C2] mark_lock (kernel/locking/lockdep.c:4754) 
[ 13.768723][ C2] mark_usage (kernel/locking/lockdep.c:4643) 
[ 13.768726][ C2] __lock_acquire (kernel/locking/lockdep.c:5189) 
[ 13.768731][ C2] lock_acquire.part.0 (kernel/locking/lockdep.c:472 kernel/locking/lockdep.c:5868) 
[ 13.768734][ C2] ? simple_pin_fs (fs/libfs.c:1066) 
[ 13.768739][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 13.768742][ C2] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5829) 
[ 13.768745][ C2] ? simple_pin_fs (fs/libfs.c:1066) 
[ 13.768748][ C2] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) 
[ 13.768752][ C2] ? simple_pin_fs (fs/libfs.c:1066) 
[ 13.768755][ C2] simple_pin_fs (fs/libfs.c:1066) 
[ 13.768758][ C2] debugfs_remove (fs/debugfs/inode.c:805 fs/debugfs/inode.c:799) 
[ 13.768763][ C2] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 13.768769][ C2] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 13.768772][ C2] ? __sk_destruct (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:400 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/refcount.h:450 ./include/net/net_namespace.h:287 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 13.768777][ C2] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2570) 
[ 13.768780][ C2] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 13.768784][ C2] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 13.768787][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 13.768791][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 13.768794][ C2] ? __orc_find (arch/x86/kernel/unwind_orc.c:103) 
[ 13.768797][ C2] ? unwind_next_frame (arch/x86/kernel/unwind_orc.c:495) 
[ 13.768799][ C2] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:24) 
[ 13.768804][ C2] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 13.768808][ C2] ? kasan_save_stack (mm/kasan/common.c:48) 
[ 13.768811][ C2] ? kasan_save_track (./arch/x86/include/asm/current.h:25 mm/kasan/common.c:60 mm/kasan/common.c:69) 
[ 13.768813][ C2] ? __kasan_slab_alloc (mm/kasan/common.c:348) 
[ 13.768816][ C2] ? kmem_cache_alloc_noprof (./include/linux/kasan.h:250 mm/slub.c:4147 mm/slub.c:4196 mm/slub.c:4203) 
[ 13.768823][ C2] __put_net (net/core/net_namespace.c:732) 
[ 13.768827][ C2] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 13.768830][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 13.768834][ C2] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2570) 
[ 13.768838][ C2] ? find_held_lock (kernel/locking/lockdep.c:5348) 
[ 13.768842][ C2] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2492) 
[ 13.768847][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4326) 
[ 13.768849][ C2] ? note_gp_changes (kernel/rcu/tree.c:1324 (discriminator 1)) 
[ 13.768852][ C2] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4473) 
[ 13.768856][ C2] rcu_core (kernel/rcu/tree.c:2826) 
[ 13.768860][ C2] handle_softirqs (kernel/softirq.c:579) 
[ 13.768865][ C2] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 13.768868][ C2] irq_exit_rcu (kernel/softirq.c:698) 
[ 13.768871][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[   13.768874][    C2]  </IRQ>
[   13.768875][    C2]  <TASK>
[ 13.768877][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 13.768880][ C2] RIP: 0010:__orc_find (arch/x86/kernel/unwind_orc.c:103) 
[ 13.768883][ C2] Code: 08 85 d2 0f 84 99 00 00 00 49 89 fe 48 89 f0 4c 39 e7 77 7b 48 b9 00 00 00 00 00 fc ff df 49 89 ff 48 89 fd eb 0c 48 8d 6b 04 <49> 89 df 4c 39 e5 77 4e 4c 89 e2 48 29 ea 48 89 d6 48 c1 ea 3f 48
All code
========
   0:	08 85 d2 0f 84 99    	or     %al,-0x667bf02e(%rbp)
   6:	00 00                	add    %al,(%rax)
   8:	00 49 89             	add    %cl,-0x77(%rcx)
   b:	fe 48 89             	decb   -0x77(%rax)
   e:	f0 4c 39 e7          	lock cmp %r12,%rdi
  12:	77 7b                	ja     0x8f
  14:	48 b9 00 00 00 00 00 	movabs $0xdffffc0000000000,%rcx
  1b:	fc ff df 
  1e:	49 89 ff             	mov    %rdi,%r15
  21:	48 89 fd             	mov    %rdi,%rbp
  24:	eb 0c                	jmp    0x32
  26:	48 8d 6b 04          	lea    0x4(%rbx),%rbp
  2a:*	49 89 df             	mov    %rbx,%r15		<-- trapping instruction
  2d:	4c 39 e5             	cmp    %r12,%rbp
  30:	77 4e                	ja     0x80
  32:	4c 89 e2             	mov    %r12,%rdx
  35:	48 29 ea             	sub    %rbp,%rdx
  38:	48 89 d6             	mov    %rdx,%rsi
  3b:	48 c1 ea 3f          	shr    $0x3f,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	49 89 df             	mov    %rbx,%r15
   3:	4c 39 e5             	cmp    %r12,%rbp
   6:	77 4e                	ja     0x56
   8:	4c 89 e2             	mov    %r12,%rdx
   b:	48 29 ea             	sub    %rbp,%rdx
   e:	48 89 d6             	mov    %rdx,%rsi
  11:	48 c1 ea 3f          	shr    $0x3f,%rdx
  15:	48                   	rex.W
[   13.768886][    C2] RSP: 0000:ffffc900004f6fc8 EFLAGS: 00000206
[   13.768889][    C2] RAX: ffffffffad08633c RBX: ffffffffacd01054 RCX: dffffc0000000000
[   13.768891][    C2] RDX: ffffffffa9103832 RSI: 0000000000000000 RDI: ffffffffacd01044
[   13.768893][    C2] RBP: ffffffffacd01058 R08: 0000000000000000 R09: ffffc900004f7149
[   13.768895][    C2] R10: 0000000000000028 R11: ffffffffac174ae0 R12: ffffffffacd01064
[   13.768897][    C2] R13: ffffffffa9103843 R14: ffffffffacd01044 R15: ffffffffacd01044
[ 13.768899][ C2] ? kasan_save_stack (mm/kasan/common.c:47) 
[ 13.768903][ C2] ? kasan_save_stack (mm/kasan/common.c:43) 
[ 13.768908][ C2] unwind_next_frame (arch/x86/kernel/unwind_orc.c:495) 
[ 13.768911][ C2] ? kasan_save_stack (mm/kasan/common.c:48) 
[ 13.768914][ C2] ? __pfx_unwind_next_frame (arch/x86/kernel/unwind_orc.c:469) 
[ 13.768919][ C2] ? kasan_save_stack (mm/kasan/common.c:48) 
[ 13.768921][ C2] ? kernel_text_address (kernel/extable.c:99) 
[ 13.768924][ C2] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 13.768928][ C2] arch_stack_walk (arch/x86/kernel/stacktrace.c:24) 
[ 13.768934][ C2] ? kasan_save_stack (mm/kasan/common.c:48) 
[ 13.768937][ C2] stack_trace_save (kernel/stacktrace.c:123) 
[ 13.768941][ C2] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 13.768945][ C2] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 13.768948][ C2] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:27 (discriminator 1)) 
[ 13.768952][ C2] kasan_save_stack (mm/kasan/common.c:48) 
[ 13.768955][ C2] ? kasan_save_stack (mm/kasan/common.c:48) 
[ 13.768957][ C2] ? do_user_addr_fault (arch/x86/mm/fault.c:1338) 
[ 13.768964][ C2] ? rcu_read_lock_any_held (kernel/rcu/update.c:387 kernel/rcu/update.c:380) 
[ 13.768967][ C2] ? stack_depot_save_flags (lib/stackdepot.c:552 lib/stackdepot.c:619) 
[ 13.768973][ C2] ? set_track_prepare (mm/slub.c:939) 
[ 13.768975][ C2] ? kmem_cache_alloc_noprof (mm/slub.c:4023 mm/slub.c:4184 mm/slub.c:4203) 
[ 13.768979][ C2] ? fuse_request_alloc (fs/fuse/dev.c:142) 
[ 13.768983][ C2] ? fuse_get_req (fs/fuse/dev.c:224) 
[ 13.768986][ C2] ? fuse_simple_background (fs/fuse/dev.c:746 (discriminator 3)) 
[ 13.768988][ C2] ? fuse_send_readpages (fs/fuse/file.c:995) 
[ 13.768991][ C2] ? fuse_readahead (fs/fuse/file.c:1033) 
[ 13.768993][ C2] ? read_pages (mm/readahead.c:160) 
[ 13.768996][ C2] ? page_cache_ra_unbounded (./include/linux/fs.h:934 mm/readahead.c:298) 
[ 13.768999][ C2] ? do_sync_mmap_readahead (mm/filemap.c:3263) 
[ 13.769004][ C2] ? filemap_fault (mm/filemap.c:3403) 
[ 13.769007][ C2] ? __do_fault (mm/memory.c:5098) 
[ 13.769011][ C2] ? do_pte_missing (mm/memory.c:5548 mm/memory.c:5654 mm/memory.c:4160) 
[ 13.769015][ C2] ? set_track_update.isra.0 (mm/slub.c:957) 
[ 13.769018][ C2] ? ___slab_alloc (mm/slub.c:968 mm/slub.c:3848) 
[ 13.769022][ C2] ? fuse_request_alloc (fs/fuse/dev.c:142) 
[ 13.769028][ C2] kasan_save_track (./arch/x86/include/asm/current.h:25 mm/kasan/common.c:60 mm/kasan/common.c:69) 
[ 13.769030][ C2] __kasan_slab_alloc (mm/kasan/common.c:348) 
[ 13.769033][ C2] kmem_cache_alloc_noprof (./include/linux/kasan.h:250 mm/slub.c:4147 mm/slub.c:4196 mm/slub.c:4203) 
[ 13.769039][ C2] fuse_request_alloc (fs/fuse/dev.c:142) 
[ 13.769042][ C2] fuse_get_req (fs/fuse/dev.c:224) 
[ 13.769046][ C2] ? __pfx_fuse_get_req (fs/fuse/dev.c:197) 
[ 13.769049][ C2] ? xa_load (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 lib/xarray.c:1621) 
[ 13.769052][ C2] ? __lock_release (kernel/locking/lockdep.c:5534) 
[ 13.769056][ C2] ? xa_load (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 lib/xarray.c:1621) 
[ 13.769058][ C2] ? xa_load (lib/xarray.c:1613) 
[ 13.769062][ C2] fuse_simple_background (fs/fuse/dev.c:746 (discriminator 3)) 
[ 13.769065][ C2] fuse_send_readpages (fs/fuse/file.c:995) 
[ 13.769069][ C2] fuse_readahead (fs/fuse/file.c:1033) 
[ 13.769075][ C2] ? __pfx_fuse_readahead (fs/fuse/file.c:1006) 
[ 13.769077][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5235) 
[ 13.769082][ C2] ? find_held_lock (kernel/locking/lockdep.c:5348) 
[ 13.769086][ C2] read_pages (mm/readahead.c:160) 
[ 13.769091][ C2] ? __folio_batch_add_and_move (./arch/x86/include/asm/preempt.h:104 mm/swap.c:201) 
[ 13.769094][ C2] ? __pfx_read_pages (mm/readahead.c:147) 
[ 13.769102][ C2] page_cache_ra_unbounded (./include/linux/fs.h:934 mm/readahead.c:298) 
[ 13.769108][ C2] do_sync_mmap_readahead (mm/filemap.c:3263) 
[ 13.769112][ C2] ? __pfx_do_sync_mmap_readahead (mm/filemap.c:3203) 
[ 13.769118][ C2] ? __filemap_get_folio (mm/filemap.c:1907) 
[ 13.769122][ C2] filemap_fault (mm/filemap.c:3403) 
[ 13.769125][ C2] ? alloc_pages_mpol (mm/mempolicy.c:2303) 
[ 13.769129][ C2] ? __pfx_alloc_pages_mpol (mm/mempolicy.c:2258) 
[ 13.769131][ C2] ? find_held_lock (kernel/locking/lockdep.c:5348) 
[ 13.769134][ C2] ? __pfx_filemap_fault (mm/filemap.c:3362) 
[ 13.769137][ C2] ? __up_read (./arch/x86/include/asm/preempt.h:104 kernel/locking/rwsem.c:1352) 
[ 13.769139][ C2] ? find_held_lock (kernel/locking/lockdep.c:5348) 
[ 13.769144][ C2] ? vma_alloc_folio_noprof (./arch/x86/include/asm/bitops.h:206 ./arch/x86/include/asm/bitops.h:238 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 ./include/linux/page-flags.h:860 ./include/linux/page-flags.h:881 mm/internal.h:752 mm/mempolicy.c:2326 mm/mempolicy.c:2355) 
[ 13.769147][ C2] ? __pfx_vma_alloc_folio_noprof (mm/mempolicy.c:2346) 
[ 13.769151][ C2] __do_fault (mm/memory.c:5098) 
[ 13.769155][ C2] do_pte_missing (mm/memory.c:5548 mm/memory.c:5654 mm/memory.c:4160) 
[ 13.769158][ C2] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 13.769162][ C2] handle_pte_fault (mm/memory.c:5997) 
[ 13.769165][ C2] ? __pfx_handle_pte_fault (mm/memory.c:5954) 
[ 13.769168][ C2] ? reacquire_held_locks (kernel/locking/lockdep.c:5383) 
[ 13.769171][ C2] ? do_user_addr_fault (arch/x86/mm/fault.c:1328) 
[ 13.769176][ C2] __handle_mm_fault (mm/memory.c:6140) 
[ 13.769179][ C2] ? __pfx___handle_mm_fault (mm/memory.c:6049) 
[ 13.769182][ C2] ? __lock_release (kernel/locking/lockdep.c:5580) 
[ 13.769188][ C2] ? __pfx_lock_vma_under_rcu (mm/memory.c:6547) 
[ 13.769192][ C2] handle_mm_fault (mm/memory.c:6321) 
[ 13.769195][ C2] ? __pfx_handle_mm_fault (mm/memory.c:6276) 
[ 13.769198][ C2] ? __fget_files (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 fs/file.c:1057) 
[ 13.769203][ C2] do_user_addr_fault (arch/x86/mm/fault.c:1338) 
[ 13.769208][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 13.769211][ C2] exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1488 arch/x86/mm/fault.c:1538) 
[ 13.769215][ C2] asm_exc_page_fault (./arch/x86/include/asm/idtentry.h:623) 
[   13.769217][    C2] RIP: 0033:0x7fec5b1fc9aa
[ 13.769221][ C2] Code: 0f 61 c0 66 0f 70 c0 00 48 83 fa 10 0f 82 7e 00 00 00 48 83 fa 20 77 12 0f 11 44 17 f0 0f 11 07 c3 0f 11 47 e0 0f 11 47 f0 c3 <0f> 11 07 0f 11 47 10 48 01 d7 48 83 fa 40 76 e7 0f 11 40 20 0f 11
All code
========
   0:	0f 61 c0             	punpcklwd %mm0,%mm0
   3:	66 0f 70 c0 00       	pshufd $0x0,%xmm0,%xmm0
   8:	48 83 fa 10          	cmp    $0x10,%rdx
   c:	0f 82 7e 00 00 00    	jb     0x90
  12:	48 83 fa 20          	cmp    $0x20,%rdx
  16:	77 12                	ja     0x2a
  18:	0f 11 44 17 f0       	movups %xmm0,-0x10(%rdi,%rdx,1)
  1d:	0f 11 07             	movups %xmm0,(%rdi)
  20:	c3                   	ret
  21:	0f 11 47 e0          	movups %xmm0,-0x20(%rdi)
  25:	0f 11 47 f0          	movups %xmm0,-0x10(%rdi)
  29:	c3                   	ret
  2a:*	0f 11 07             	movups %xmm0,(%rdi)		<-- trapping instruction
  2d:	0f 11 47 10          	movups %xmm0,0x10(%rdi)
  31:	48 01 d7             	add    %rdx,%rdi
  34:	48 83 fa 40          	cmp    $0x40,%rdx
  38:	76 e7                	jbe    0x21
  3a:	0f 11 40 20          	movups %xmm0,0x20(%rax)
  3e:	0f                   	.byte 0xf
  3f:	11                   	.byte 0x11

Code starting with the faulting instruction
===========================================
   0:	0f 11 07             	movups %xmm0,(%rdi)
   3:	0f 11 47 10          	movups %xmm0,0x10(%rdi)
   7:	48 01 d7             	add    %rdx,%rdi
   a:	48 83 fa 40          	cmp    $0x40,%rdx
   e:	76 e7                	jbe    0xfffffffffffffff7
  10:	0f 11 40 20          	movups %xmm0,0x20(%rax)
  14:	0f                   	.byte 0xf
  15:	11                   	.byte 0x11
[   13.769224][    C2] RSP: 002b:00007ffc80bfad18 EFLAGS: 00010206
[   13.769226][    C2] RAX: 00007fec5b1e3bc8 RBX: 0000000000000004 RCX: 00007fec5b1e6bd0
[   13.769228][    C2] RDX: 0000000000000438 RSI: 0000000000000000 RDI: 00007fec5b1e3bc8
[   13.769229][    C2] RBP: 00007ffc80bfb080 R08: 00007fec5b1e3bc8 R09: 00000000004bd000
[   13.769231][    C2] R10: 0000000000000003 R11: 0000000000000206 R12: 00007ffc80bfadb0
[   13.769233][    C2] R13: 00007ffc80bfb120 R14: 00007fec5b1e4000 R15: 00007fec5b1ef110
| [   13.812176][    C2] RCU nest depth: 1, expected: 0
| [   13.812416][    C2] INFO: lockdep is turned off.
| [   13.812676][    C2] Preemption disabled at:
| [ 13.812678][ C2] handle_softirqs (kernel/softirq.c:553) 
[   13.813330][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.813333][    C2] Call Trace:
[   13.813335][    C2]  <IRQ>
[ 13.813336][ C2] dump_stack_lvl (lib/dump_stack.c:123) 
[ 13.813344][ C2] __might_resched (kernel/sched/core.c:8819) 
[ 13.813351][ C2] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 13.813355][ C2] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 13.813358][ C2] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 13.813363][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 13.813368][ C2] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) 
[ 13.813373][ C2] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 13.813376][ C2] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 13.813380][ C2] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) 
[ 13.813385][ C2] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 13.813388][ C2] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 13.813394][ C2] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 13.813398][ C2] ? __sk_destruct (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:400 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/refcount.h:450 ./include/net/net_namespace.h:287 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 13.813402][ C2] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2570) 
[ 13.813407][ C2] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 13.813411][ C2] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 13.813413][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 13.813418][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 13.813422][ C2] ? __orc_find (arch/x86/kernel/unwind_orc.c:103) 
[ 13.813425][ C2] ? unwind_next_frame (arch/x86/kernel/unwind_orc.c:495) 
[ 13.813428][ C2] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:24) 
[ 13.813432][ C2] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 13.813437][ C2] ? kasan_save_stack (mm/kasan/common.c:48) 
[ 13.813441][ C2] ? kasan_save_track (./arch/x86/include/asm/current.h:25 mm/kasan/common.c:60 mm/kasan/common.c:69) 
[ 13.813443][ C2] ? __kasan_slab_alloc (mm/kasan/common.c:348) 
[ 13.813446][ C2] ? kmem_cache_alloc_noprof (./include/linux/kasan.h:250 mm/slub.c:4147 mm/slub.c:4196 mm/slub.c:4203) 
[ 13.813453][ C2] __put_net (net/core/net_namespace.c:732) 
[ 13.813456][ C2] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 13.813460][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 13.813465][ C2] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2570) 
[ 13.813470][ C2] ? find_held_lock (kernel/locking/lockdep.c:5348) 
[ 13.813474][ C2] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2492) 
[ 13.813479][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4326) 
[ 13.813481][ C2] ? note_gp_changes (kernel/rcu/tree.c:1324 (discriminator 1)) 
[ 13.813484][ C2] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4473) 
[ 13.813489][ C2] rcu_core (kernel/rcu/tree.c:2826) 
[ 13.813492][ C2] handle_softirqs (kernel/softirq.c:579) 
[ 13.813497][ C2] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 13.813500][ C2] irq_exit_rcu (kernel/softirq.c:698) 
[ 13.813503][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[   13.813506][    C2]  </IRQ>
[   13.813507][    C2]  <TASK>
[ 13.813509][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 13.813511][ C2] RIP: 0010:__orc_find (arch/x86/kernel/unwind_orc.c:103) 
[ 13.813515][ C2] Code: 08 85 d2 0f 84 99 00 00 00 49 89 fe 48 89 f0 4c 39 e7 77 7b 48 b9 00 00 00 00 00 fc ff df 49 89 ff 48 89 fd eb 0c 48 8d 6b 04 <49> 89 df 4c 39 e5 77 4e 4c 89 e2 48 29 ea 48 89 d6 48 c1 ea 3f 48
All code
========
   0:	08 85 d2 0f 84 99    	or     %al,-0x667bf02e(%rbp)
   6:	00 00                	add    %al,(%rax)
   8:	00 49 89             	add    %cl,-0x77(%rcx)
   b:	fe 48 89             	decb   -0x77(%rax)
   e:	f0 4c 39 e7          	lock cmp %r12,%rdi
  12:	77 7b                	ja     0x8f
  14:	48 b9 00 00 00 00 00 	movabs $0xdffffc0000000000,%rcx
  1b:	fc ff df 
  1e:	49 89 ff             	mov    %rdi,%r15
  21:	48 89 fd             	mov    %rdi,%rbp
  24:	eb 0c                	jmp    0x32
  26:	48 8d 6b 04          	lea    0x4(%rbx),%rbp
  2a:*	49 89 df             	mov    %rbx,%r15		<-- trapping instruction
  2d:	4c 39 e5             	cmp    %r12,%rbp
  30:	77 4e                	ja     0x80
  32:	4c 89 e2             	mov    %r12,%rdx
  35:	48 29 ea             	sub    %rbp,%rdx
  38:	48 89 d6             	mov    %rdx,%rsi
  3b:	48 c1 ea 3f          	shr    $0x3f,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	49 89 df             	mov    %rbx,%r15
   3:	4c 39 e5             	cmp    %r12,%rbp
   6:	77 4e                	ja     0x56
   8:	4c 89 e2             	mov    %r12,%rdx
   b:	48 29 ea             	sub    %rbp,%rdx
   e:	48 89 d6             	mov    %rdx,%rsi
  11:	48 c1 ea 3f          	shr    $0x3f,%rdx
  15:	48                   	rex.W
[   13.813518][    C2] RSP: 0000:ffffc900004f6fc8 EFLAGS: 00000206
[   13.813522][    C2] RAX: ffffffffad08633c RBX: ffffffffacd01054 RCX: dffffc0000000000
[   13.813524][    C2] RDX: ffffffffa9103832 RSI: 0000000000000000 RDI: ffffffffacd01044
[   13.813526][    C2] RBP: ffffffffacd01058 R08: 0000000000000000 R09: ffffc900004f7149
[   13.813528][    C2] R10: 0000000000000028 R11: ffffffffac174ae0 R12: ffffffffacd01064
[   13.813530][    C2] R13: ffffffffa9103843 R14: ffffffffacd01044 R15: ffffffffacd01044
[ 13.813532][ C2] ? kasan_save_stack (mm/kasan/common.c:47) 
[ 13.813536][ C2] ? kasan_save_stack (mm/kasan/common.c:43) 
[ 13.813541][ C2] unwind_next_frame (arch/x86/kernel/unwind_orc.c:495) 
[ 13.813544][ C2] ? kasan_save_stack (mm/kasan/common.c:48) 
[ 13.813548][ C2] ? __pfx_unwind_next_frame (arch/x86/kernel/unwind_orc.c:469) 
[ 13.813552][ C2] ? kasan_save_stack (mm/kasan/common.c:48) 
[ 13.813554][ C2] ? kernel_text_address (kernel/extable.c:99) 
[ 13.813557][ C2] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 13.813562][ C2] arch_stack_walk (arch/x86/kernel/stacktrace.c:24) 
[ 13.813567][ C2] ? kasan_save_stack (mm/kasan/common.c:48) 
[ 13.813570][ C2] stack_trace_save (kernel/stacktrace.c:123) 
[ 13.813574][ C2] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 13.813578][ C2] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 13.813581][ C2] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:27 (discriminator 1)) 
[ 13.813585][ C2] kasan_save_stack (mm/kasan/common.c:48) 
[ 13.813587][ C2] ? kasan_save_stack (mm/kasan/common.c:48) 
[ 13.813590][ C2] ? do_user_addr_fault (arch/x86/mm/fault.c:1338) 
[ 13.813596][ C2] ? rcu_read_lock_any_held (kernel/rcu/update.c:387 kernel/rcu/update.c:380) 
[ 13.813600][ C2] ? stack_depot_save_flags (lib/stackdepot.c:552 lib/stackdepot.c:619) 
[ 13.813606][ C2] ? set_track_prepare (mm/slub.c:939) 
[ 13.813608][ C2] ? kmem_cache_alloc_noprof (mm/slub.c:4023 mm/slub.c:4184 mm/slub.c:4203) 
[ 13.813611][ C2] ? fuse_request_alloc (fs/fuse/dev.c:142) 
[ 13.813617][ C2] ? fuse_get_req (fs/fuse/dev.c:224) 
[ 13.813619][ C2] ? fuse_simple_background (fs/fuse/dev.c:746 (discriminator 3)) 
[ 13.813621][ C2] ? fuse_send_readpages (fs/fuse/file.c:995) 
[ 13.813624][ C2] ? fuse_readahead (fs/fuse/file.c:1033) 
[ 13.813626][ C2] ? read_pages (mm/readahead.c:160) 
[ 13.813631][ C2] ? page_cache_ra_unbounded (./include/linux/fs.h:934 mm/readahead.c:298) 
[ 13.813634][ C2] ? do_sync_mmap_readahead (mm/filemap.c:3263) 
[ 13.813638][ C2] ? filemap_fault (mm/filemap.c:3403) 
[ 13.813641][ C2] ? __do_fault (mm/memory.c:5098) 
[ 13.813645][ C2] ? do_pte_missing (mm/memory.c:5548 mm/memory.c:5654 mm/memory.c:4160) 
[ 13.813649][ C2] ? set_track_update.isra.0 (mm/slub.c:957) 
[ 13.813652][ C2] ? ___slab_alloc (mm/slub.c:968 mm/slub.c:3848) 
[ 13.813656][ C2] ? fuse_request_alloc (fs/fuse/dev.c:142) 
[ 13.813661][ C2] kasan_save_track (./arch/x86/include/asm/current.h:25 mm/kasan/common.c:60 mm/kasan/common.c:69) 
[ 13.813664][ C2] __kasan_slab_alloc (mm/kasan/common.c:348) 
[ 13.813667][ C2] kmem_cache_alloc_noprof (./include/linux/kasan.h:250 mm/slub.c:4147 mm/slub.c:4196 mm/slub.c:4203) 
[ 13.813672][ C2] fuse_request_alloc (fs/fuse/dev.c:142) 
[ 13.813676][ C2] fuse_get_req (fs/fuse/dev.c:224) 
[ 13.813680][ C2] ? __pfx_fuse_get_req (fs/fuse/dev.c:197) 
[ 13.813683][ C2] ? xa_load (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 lib/xarray.c:1621) 
[ 13.813686][ C2] ? __lock_release (kernel/locking/lockdep.c:5534) 
[ 13.813690][ C2] ? xa_load (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 lib/xarray.c:1621) 
[ 13.813693][ C2] ? xa_load (lib/xarray.c:1613) 
[ 13.813696][ C2] fuse_simple_background (fs/fuse/dev.c:746 (discriminator 3)) 
[ 13.813699][ C2] fuse_send_readpages (fs/fuse/file.c:995) 
[ 13.813704][ C2] fuse_readahead (fs/fuse/file.c:1033) 
[ 13.813709][ C2] ? __pfx_fuse_readahead (fs/fuse/file.c:1006) 
[ 13.813711][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5235) 
[ 13.813716][ C2] ? find_held_lock (kernel/locking/lockdep.c:5348) 
[ 13.813720][ C2] read_pages (mm/readahead.c:160) 
[ 13.813725][ C2] ? __folio_batch_add_and_move (./arch/x86/include/asm/preempt.h:104 mm/swap.c:201) 
[ 13.813729][ C2] ? __pfx_read_pages (mm/readahead.c:147) 
[ 13.813736][ C2] page_cache_ra_unbounded (./include/linux/fs.h:934 mm/readahead.c:298) 
[ 13.813742][ C2] do_sync_mmap_readahead (mm/filemap.c:3263) 
[ 13.813747][ C2] ? __pfx_do_sync_mmap_readahead (mm/filemap.c:3203) 
[ 13.813753][ C2] ? __filemap_get_folio (mm/filemap.c:1907) 
[ 13.813756][ C2] filemap_fault (mm/filemap.c:3403) 
[ 13.813760][ C2] ? alloc_pages_mpol (mm/mempolicy.c:2303) 
[ 13.813763][ C2] ? __pfx_alloc_pages_mpol (mm/mempolicy.c:2258) 
[ 13.813766][ C2] ? find_held_lock (kernel/locking/lockdep.c:5348) 
[ 13.813769][ C2] ? __pfx_filemap_fault (mm/filemap.c:3362) 
[ 13.813771][ C2] ? __up_read (./arch/x86/include/asm/preempt.h:104 kernel/locking/rwsem.c:1352) 
[ 13.813774][ C2] ? find_held_lock (kernel/locking/lockdep.c:5348) 
[ 13.813778][ C2] ? vma_alloc_folio_noprof (./arch/x86/include/asm/bitops.h:206 ./arch/x86/include/asm/bitops.h:238 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 ./include/linux/page-flags.h:860 ./include/linux/page-flags.h:881 mm/internal.h:752 mm/mempolicy.c:2326 mm/mempolicy.c:2355) 
[ 13.813781][ C2] ? __pfx_vma_alloc_folio_noprof (mm/mempolicy.c:2346) 
[ 13.813785][ C2] __do_fault (mm/memory.c:5098) 
[ 13.813789][ C2] do_pte_missing (mm/memory.c:5548 mm/memory.c:5654 mm/memory.c:4160) 
[ 13.813792][ C2] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 13.813796][ C2] handle_pte_fault (mm/memory.c:5997) 
[ 13.813799][ C2] ? __pfx_handle_pte_fault (mm/memory.c:5954) 
[ 13.813802][ C2] ? reacquire_held_locks (kernel/locking/lockdep.c:5383) 
[ 13.813805][ C2] ? do_user_addr_fault (arch/x86/mm/fault.c:1328) 
[ 13.813810][ C2] __handle_mm_fault (mm/memory.c:6140) 
[ 13.813813][ C2] ? __pfx___handle_mm_fault (mm/memory.c:6049) 
[ 13.813816][ C2] ? __lock_release (kernel/locking/lockdep.c:5580) 
[ 13.813822][ C2] ? __pfx_lock_vma_under_rcu (mm/memory.c:6547) 
[ 13.813826][ C2] handle_mm_fault (mm/memory.c:6321) 
[ 13.813829][ C2] ? __pfx_handle_mm_fault (mm/memory.c:6276) 
[ 13.813831][ C2] ? __fget_files (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 fs/file.c:1057) 
[ 13.813837][ C2] do_user_addr_fault (arch/x86/mm/fault.c:1338) 
[ 13.813842][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 13.813845][ C2] exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1488 arch/x86/mm/fault.c:1538) 
[ 13.813849][ C2] asm_exc_page_fault (./arch/x86/include/asm/idtentry.h:623) 
[   13.813851][    C2] RIP: 0033:0x7fec5b1fc9aa
[ 13.813856][ C2] Code: 0f 61 c0 66 0f 70 c0 00 48 83 fa 10 0f 82 7e 00 00 00 48 83 fa 20 77 12 0f 11 44 17 f0 0f 11 07 c3 0f 11 47 e0 0f 11 47 f0 c3 <0f> 11 07 0f 11 47 10 48 01 d7 48 83 fa 40 76 e7 0f 11 40 20 0f 11
All code
========
   0:	0f 61 c0             	punpcklwd %mm0,%mm0
   3:	66 0f 70 c0 00       	pshufd $0x0,%xmm0,%xmm0
   8:	48 83 fa 10          	cmp    $0x10,%rdx
   c:	0f 82 7e 00 00 00    	jb     0x90
  12:	48 83 fa 20          	cmp    $0x20,%rdx
  16:	77 12                	ja     0x2a
  18:	0f 11 44 17 f0       	movups %xmm0,-0x10(%rdi,%rdx,1)
  1d:	0f 11 07             	movups %xmm0,(%rdi)
  20:	c3                   	ret
  21:	0f 11 47 e0          	movups %xmm0,-0x20(%rdi)
  25:	0f 11 47 f0          	movups %xmm0,-0x10(%rdi)
  29:	c3                   	ret
  2a:*	0f 11 07             	movups %xmm0,(%rdi)		<-- trapping instruction
  2d:	0f 11 47 10          	movups %xmm0,0x10(%rdi)
  31:	48 01 d7             	add    %rdx,%rdi
  34:	48 83 fa 40          	cmp    $0x40,%rdx
  38:	76 e7                	jbe    0x21
  3a:	0f 11 40 20          	movups %xmm0,0x20(%rax)
  3e:	0f                   	.byte 0xf
  3f:	11                   	.byte 0x11

Code starting with the faulting instruction
===========================================
   0:	0f 11 07             	movups %xmm0,(%rdi)
   3:	0f 11 47 10          	movups %xmm0,0x10(%rdi)
   7:	48 01 d7             	add    %rdx,%rdi
   a:	48 83 fa 40          	cmp    $0x40,%rdx
   e:	76 e7                	jbe    0xfffffffffffffff7
  10:	0f 11 40 20          	movups %xmm0,0x20(%rax)
  14:	0f                   	.byte 0xf
  15:	11                   	.byte 0x11
[   13.813858][    C2] RSP: 002b:00007ffc80bfad18 EFLAGS: 00010206
[   13.813860][    C2] RAX: 00007fec5b1e3bc8 RBX: 0000000000000004 RCX: 00007fec5b1e6bd0
[   13.813862][    C2] RDX: 0000000000000438 RSI: 0000000000000000 RDI: 00007fec5b1e3bc8
[   13.813864][    C2] RBP: 00007ffc80bfb080 R08: 00007fec5b1e3bc8 R09: 00000000004bd000
[   13.813866][    C2] R10: 0000000000000003 R11: 0000000000000206 R12: 00007ffc80bfadb0
[   13.813867][    C2] R13: 00007ffc80bfb120 R14: 00007fec5b1e4000 R15: 00007fec5b1ef110
| [   14.925058][    C1] INFO: lockdep is turned off.
| [   14.925275][    C1] Preemption disabled at:
| [ 14.925277][ C1] handle_softirqs (kernel/softirq.c:553) 
| [   14.925657][    C1] Tainted: [W]=WARN
[   14.925658][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.925660][    C1] Call Trace:
[   14.925662][    C1]  <TASK>
[ 14.925664][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 14.925671][ C1] __might_resched (kernel/sched/core.c:8819) 
[ 14.925678][ C1] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 14.925682][ C1] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 14.925685][ C1] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 14.925690][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 14.925695][ C1] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) 
[ 14.925700][ C1] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 14.925703][ C1] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 14.925708][ C1] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) 
[ 14.925712][ C1] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 14.925716][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 14.925721][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 14.925725][ C1] ? __sk_destruct (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:400 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/refcount.h:450 ./include/net/net_namespace.h:287 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 14.925730][ C1] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2570) 
[ 14.925735][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 14.925738][ C1] ? smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 14.925743][ C1] ? kthread (kernel/kthread.c:464) 
[ 14.925747][ C1] ? ret_from_fork (arch/x86/kernel/process.c:153) 
[ 14.925751][ C1] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 14.925756][ C1] ? migrate_enable (./arch/x86/include/asm/preempt.h:104 ./include/linux/preempt.h:481 ./include/linux/preempt.h:481 kernel/sched/core.c:2417) 
[ 14.925760][ C1] ? __pfx_migrate_enable (kernel/sched/core.c:2392) 
[ 14.925763][ C1] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 14.925767][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 14.925771][ C1] __put_net (net/core/net_namespace.c:732) 
[ 14.925775][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 14.925779][ C1] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 14.925782][ C1] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2570) 
[ 14.925788][ C1] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2492) 
[ 14.925793][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 14.925800][ C1] rcu_core (kernel/rcu/tree.c:2826) 
[ 14.925806][ C1] handle_softirqs (kernel/softirq.c:579) 
[ 14.925812][ C1] ? __pfx_run_ksoftirqd (kernel/softirq.c:961) 
[ 14.925819][ C1] run_ksoftirqd (kernel/softirq.c:436 kernel/softirq.c:969 kernel/softirq.c:960) 
[ 14.925822][ C1] smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 14.925826][ C1] ? __pfx_smpboot_thread_fn (kernel/smpboot.c:107) 
[ 14.925830][ C1] kthread (kernel/kthread.c:464) 
[ 14.925833][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 14.925837][ C1] ? ret_from_fork (arch/x86/kernel/process.c:152) 
[ 14.925839][ C1] ? __lock_release (kernel/locking/lockdep.c:5534) 
[ 14.925843][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 14.925846][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 14.925850][ C1] ret_from_fork (arch/x86/kernel/process.c:153) 
[ 14.925853][ C1] ? __pfx_kthread (kernel/kthread.c:413) 


Finger prints:
handle_softirqs:dump_stack_lvl:__might_resched:down_write:simple_recursive_removal
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:_raw_spin_lock