------------[ cut here ]------------
percpu ref (free_ioctx_reqs) <= 0 (0) after switching to atomic
WARNING: lib/percpu-refcount.c:197 at percpu_ref_switch_to_atomic_rcu+0x3cc/0x480, CPU#1: systemd-udevd/5449
Modules linked in:
CPU: 1 UID: 0 PID: 5449 Comm: systemd-udevd Tainted: G        W           6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary) 
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:percpu_ref_switch_to_atomic_rcu+0x3cc/0x480
Code: 00 00 00 00 00 fc ff df 48 89 f9 48 c1 e9 03 80 3c 01 00 0f 85 9e 00 00 00 49 8b 75 e8 48 c7 c7 80 97 e2 84 e8 75 c5 e9 fe 90 <0f> 0b 90 90 e9 2b ff ff ff e8 f6 de 5f ff e9 9e fe ff ff e8 7c df
RSP: 0018:ffff88806cf08e20 EFLAGS: 00010286
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff8139de70
RDX: ffff888016255280 RSI: ffffffff8139de7e RDI: 0000000000000001
RBP: 8000000000000000 R08: 0000000000000001 R09: ffffed100d9e4801
R10: 0000000000000000 R11: 0000000000000001 R12: ffff88801f1b7700
R13: ffff88801f1b7720 R14: 0000000000000002 R15: 0000000000000003
FS:  00007f02fd2f58c0(0000) GS:ffff8880e56dd000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000556b01e1e060 CR3: 0000000016b9d000 CR4: 0000000000350ef0
Call Trace:
 <IRQ>
 rcu_core+0x7c8/0x1800
 handle_softirqs+0x1b1/0x770
 __irq_exit_rcu+0xc4/0x100
 irq_exit_rcu+0x9/0x20
 sysvec_apic_timer_interrupt+0x70/0x80
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:__sanitizer_cov_trace_pc+0x4/0x80
Code: 5d e9 a0 1f 4a 03 48 c7 c0 f4 ff ff ff eb 92 0f 1f 80 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa <48> 8b 34 24 65 48 8b 15 88 48 10 06 65 8b 05 99 48 10 06 a9 00 01
RSP: 0018:ffff888016b0fd50 EFLAGS: 00000246
RAX: 0000000000000000 RBX: dffffc0000000000 RCX: ffffffff81b5d430
RDX: ffff888016255280 RSI: ffffffff81b5d619 RDI: ffff888017316380
RBP: ffff888017316380 R08: 0000000000000000 R09: ffffed1002d61fd4
R10: 0000000002000000 R11: 0000000000000001 R12: ffff8880173163c0
R13: 0000000000000010 R14: 1ffff11002d61fae R15: 0000000002000000
 locks_remove_file+0x6c/0x5a0
 __fput+0x351/0xb50
 fput_close_sync+0x10f/0x240
 __x64_sys_close+0x8f/0x120
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f02fd88e0f3
Code: 8b 15 d9 9e 00 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 45 c3 0f 1f 40 00 48 83 ec 18 89 7c 24 0c e8
RSP: 002b:00007ffe029ec9a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
RAX: ffffffffffffffda RBX: 00007f02fd2f56c0 RCX: 00007f02fd88e0f3
RDX: 00007ffe029eca10 RSI: 00007ffe029eca10 RDI: 0000000000000010
RBP: 0000000000000010 R08: 0000000000000001 R09: 00007f02fd874be0
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 0000000000000011 R14: 0000000000000011 R15: 0000556b015c6381
 </TASK>
irq event stamp: 9382
hardirqs last  enabled at (9390): [<ffffffff81541b18>] __up_console_sem+0x78/0x80
hardirqs last disabled at (9399): [<ffffffff81541afd>] __up_console_sem+0x5d/0x80
softirqs last  enabled at (8324): [<ffffffff813bafcc>] handle_softirqs+0x50c/0x770
softirqs last disabled at (8799): [<ffffffff813bb364>] __irq_exit_rcu+0xc4/0x100
---[ end trace 0000000000000000 ]---
percpu_ref_switch_to_atomic_rcu: percpu_ref_switch_to_atomic_rcu(): percpu_ref underflow slab kmalloc-64 start ffff88801f1b7700 pointer offset 0 size 64
----------------
Code disassembly (best guess):
   0:	5d                   	pop    %rbp
   1:	e9 a0 1f 4a 03       	jmpq   0x34a1fa6
   6:	48 c7 c0 f4 ff ff ff 	mov    $0xfffffffffffffff4,%rax
   d:	eb 92                	jmp    0xffffffa1
   f:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  16:	90                   	nop
  17:	90                   	nop
  18:	90                   	nop
  19:	90                   	nop
  1a:	90                   	nop
  1b:	90                   	nop
  1c:	90                   	nop
  1d:	90                   	nop
  1e:	90                   	nop
  1f:	90                   	nop
  20:	90                   	nop
  21:	90                   	nop
  22:	90                   	nop
  23:	90                   	nop
  24:	90                   	nop
  25:	90                   	nop
  26:	f3 0f 1e fa          	endbr64
* 2a:	48 8b 34 24          	mov    (%rsp),%rsi <-- trapping instruction
  2e:	65 48 8b 15 88 48 10 	mov    %gs:0x6104888(%rip),%rdx        # 0x61048be
  35:	06
  36:	65 8b 05 99 48 10 06 	mov    %gs:0x6104899(%rip),%eax        # 0x61048d6
  3d:	a9                   	.byte 0xa9
  3e:	00 01                	add    %al,(%rcx)