do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
------------[ cut here ]------------
percpu ref (free_ioctx_reqs) <= 0 (-1) after switching to atomic
WARNING: lib/percpu-refcount.c:197 at percpu_ref_switch_to_atomic_rcu+0x3cc/0x480, CPU#0: kworker/0:3/3881
Modules linked in:
CPU: 0 UID: 0 PID: 3881 Comm: kworker/0:3 Tainted: G        W           6.17.0-rc4-next-20250901 #1 PREEMPT(voluntary) 
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Workqueue: events delayed_fput
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 c0 99 e2 84 e8 25 ac e9 fe 90 <0f> 0b 90 90 e9 2b ff ff ff e8 56 de 5f ff e9 9e fe ff ff e8 dc de
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
RSP: 0018:ffff88806ce08e38 EFLAGS: 00010282
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff8139de70
RDX: ffff88801b05d280 RSI: ffffffff8139de7e RDI: 0000000000000001
RBP: 8000000000000000 R08: 0000000000000001 R09: ffffed100d9c4801
R10: 0000000000000000 R11: 0000000000000001 R12: ffff888046514400
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
R13: ffff888046514420 R14: 0000000000000002 R15: 0000000000000003
FS:  0000000000000000(0000) GS:ffff8880e55d8000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffd5f2d1c28 CR3: 0000000046102000 CR4: 0000000000350ef0
Call Trace:
 <IRQ>
 rcu_core+0x7c8/0x1800
 handle_softirqs+0x1b1/0x770
 do_softirq+0x48/0x80
 </IRQ>
 <TASK>
 __local_bh_enable_ip+0xf1/0x110
 unix_release_sock+0x4df/0x13c0
 unix_release+0x91/0xf0
 __sock_release+0xb3/0x270
 sock_close+0x1c/0x30
 __fput+0x401/0xb50
 delayed_fput+0x72/0x90
 process_one_work+0x8e1/0x19c0
 worker_thread+0x67e/0xe90
 kthread+0x3c8/0x740
 ret_from_fork+0x34b/0x430
 ret_from_fork_asm+0x1a/0x30
 </TASK>
irq event stamp: 4462
hardirqs last  enabled at (4470): [<ffffffff81541b18>] __up_console_sem+0x78/0x80
hardirqs last disabled at (4479): [<ffffffff81541afd>] __up_console_sem+0x5d/0x80
softirqs last  enabled at (3766): [<ffffffff8423600f>] unix_release_sock+0x4df/0x13c0
softirqs last disabled at (3767): [<ffffffff813bb958>] do_softirq+0x48/0x80
---[ end trace 0000000000000000 ]---
percpu_ref_switch_to_atomic_rcu: percpu_ref_switch_to_atomic_rcu(): percpu_ref underflow slab kmalloc-64 start ffff888046514400 pointer offset 0 size 64