------------[ cut here ]------------
WARNING: fs/namespace.c:1434 at mntput_no_expire+0x78e/0xbe0, CPU#1: kworker/1:3/3896
Modules linked in:
CPU: 1 UID: 0 PID: 3896 Comm: kworker/1:3 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
Workqueue: events free_ipc
RIP: 0010:mntput_no_expire+0x78e/0xbe0
Code: 05 16 42 81 04 01 e8 31 f8 91 ff e9 41 fc ff ff e8 b7 50 b4 ff 31 ff 44 89 ee e8 dd 4b b4 ff 45 85 ed 79 09 e8 a3 50 b4 ff 90 <0f> 0b 90 e8 9a 50 b4 ff e8 75 f6 fb 02 31 ff 89 c5 89 c6 e8 ba 4b
RSP: 0018:ffff88801552fb48 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 1ffff11002aa5f6e RCX: ffffffff81bf96d3
RDX: ffff888046d45280 RSI: ffffffff81bf96dd RDI: 0000000000000005
RBP: ffff88801e091c00 R08: 0000000000000001 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000001 R12: ffff88801552fbb0
R13: 00000000ffffffff R14: 0000000000000001 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880e56dd000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2d5d700019 CR3: 000000004234e000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 mntput+0x6b/0x90
 free_ipc+0x179/0x2b0
 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: 155693
hardirqs last  enabled at (155701): [<ffffffff81541b18>] __up_console_sem+0x78/0x80
hardirqs last disabled at (155710): [<ffffffff81541afd>] __up_console_sem+0x5d/0x80
softirqs last  enabled at (155310): [<ffffffff813bafcc>] handle_softirqs+0x50c/0x770
softirqs last disabled at (155247): [<ffffffff813bb364>] __irq_exit_rcu+0xc4/0x100
---[ end trace 0000000000000000 ]---
Bluetooth: hci2: unexpected event for opcode 0x0804
Bluetooth: hci2: ACL packet for unknown connection handle 200
Bluetooth: hci2: SCO packet for unknown connection handle 0
Bluetooth: Unexpected continuation frame (len 20)
Bluetooth: hci2: unexpected event for opcode 0x0804
Bluetooth: hci2: SCO packet for unknown connection handle 0
Bluetooth: hci2: ACL packet for unknown connection handle 200
Bluetooth: Unexpected continuation frame (len 20)
Bluetooth: hci5: Controller not accepting commands anymore: ncmd = 0
Bluetooth: hci5: Injecting HCI hardware error event
Bluetooth: hci5: hardware error 0x00
Bluetooth: hci2: Controller not accepting commands anymore: ncmd = 0
Bluetooth: hci2: Injecting HCI hardware error event
Bluetooth: hci2: hardware error 0x00
Bluetooth: hci5: Opcode 0x0c03 failed: -110
Bluetooth: hci2: Opcode 0x0c03 failed: -110
unregister_netdevice: waiting for sit0 to become free. Usage count = 9