------------[ cut here ]------------
WARNING: fs/namespace.c:1434 at mntput_no_expire+0x78e/0xbe0, CPU#1: kworker/1:1/43
Modules linked in:
CPU: 1 UID: 0 PID: 43 Comm: kworker/1:1 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 close_work
RIP: 0010:mntput_no_expire+0x78e/0xbe0
Code: 05 d6 30 81 04 01 e8 71 df 91 ff e9 41 fc ff ff e8 27 47 b4 ff 31 ff 44 89 ee e8 4d 42 b4 ff 45 85 ed 79 09 e8 13 47 b4 ff 90 <0f> 0b 90 e8 0a 47 b4 ff e8 b5 2d fc 02 31 ff 89 c5 89 c6 e8 2a 42
RSP: 0018:ffff88800a4bfad0 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 1ffff11001497f5f RCX: ffffffff81bfaf93
RDX: ffff88800a3cd280 RSI: ffffffff81bfaf9d RDI: 0000000000000005
RBP: ffff88801d7e0e00 R08: 0000000000000001 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000001 R12: ffff88800a4bfb38
R13: 00000000ffffffff R14: 0000000000008000 R15: ffff88801c7e9588
FS:  0000000000000000(0000) GS:ffff8880e56d8000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4bafa59000 CR3: 0000000041752000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 mntput+0x6b/0x90
 __fput+0x53e/0xb50
 __fput_sync+0xc5/0x100
 close_work+0x9f/0xd0
 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: 284395
hardirqs last  enabled at (284403): [<ffffffff81541b18>] __up_console_sem+0x78/0x80
hardirqs last disabled at (284410): [<ffffffff81541afd>] __up_console_sem+0x5d/0x80
softirqs last  enabled at (284130): [<ffffffff813bafcc>] handle_softirqs+0x50c/0x770
softirqs last disabled at (284117): [<ffffffff813bb364>] __irq_exit_rcu+0xc4/0x100
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
percpu ref (free_ioctx_users) <= 0 (0) after switching to atomic
WARNING: lib/percpu-refcount.c:197 at percpu_ref_switch_to_atomic_rcu+0x3cc/0x480, CPU#1: systemd-journal/97
Modules linked in:
CPU: 1 UID: 0 PID: 97 Comm: systemd-journal 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
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
RSP: 0000:ffff888015957d68 EFLAGS: 00010282
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff8139de70
RDX: ffff888014b83700 RSI: ffffffff8139de7e RDI: 0000000000000001
RBP: 7fffffffffffffff R08: 0000000000000001 R09: ffffed100d9e4801
R10: 0000000000000000 R11: 0000000000000001 R12: ffff88801fe1e500
R13: ffff88801fe1e520 R14: 0000000000000002 R15: 0000000000000003
FS:  00007f82315e2900(0000) GS:ffff8880e56d8000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f8230a691a0 CR3: 000000000f194000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 rcu_core+0x7c8/0x1800
 handle_softirqs+0x1b1/0x770
 __irq_exit_rcu+0xc4/0x100
 irq_exit_rcu+0x9/0x20
 sysvec_apic_timer_interrupt+0x39/0x80
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0033:0x7f823216653f
Code: 8b 86 d0 00 00 00 4c 8d 7d 28 48 8b 80 80 00 00 00 48 89 c1 48 c1 e9 04 48 83 f8 0f 0f 86 62 01 00 00 48 89 d8 31 d2 48 f7 f1 <48> c1 e2 04 49 03 96 e0 00 00 00 48 8b 12 48 89 54 24 28 48 85 d2
RSP: 002b:00007ffca6edbfa0 EFLAGS: 00000212
RAX: 0068c2ca002ad05a RBX: 884560c237b105c0 RCX: 000000000000014d
RDX: 00000000000000ae RSI: 0000000000000000 RDI: 0000561f84e98570
RBP: 0000000000000007 R08: 00007ffca6edc058 R09: 00007ffca6edc050
R10: 00007f82321d7a34 R11: 000000000002e67a R12: 0000561f84ed3240
R13: 884560c237b105c0 R14: 0000561f84e98570 R15: 000000000000002f
 </TASK>
irq event stamp: 324940
hardirqs last  enabled at (324948): [<ffffffff81541b18>] __up_console_sem+0x78/0x80
hardirqs last disabled at (324957): [<ffffffff81541afd>] __up_console_sem+0x5d/0x80
softirqs last  enabled at (322932): [<ffffffff813bafcc>] handle_softirqs+0x50c/0x770
softirqs last disabled at (324477): [<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 ffff88801fe1e500 pointer offset 0 size 64
Process accounting resumed