kernel_clone+0xea/0x7f0
 __do_sys_clone3+0x1f5/0x280
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
------------[ cut here ]------------
WARNING: fs/namespace.c:1434 at mntput_no_expire+0x78e/0xbe0, CPU#1: syz-executor.7/4007
Modules linked in:
CPU: 1 UID: 0 PID: 4007 Comm: syz-executor.7 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: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:ffff888019f07a18 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 1ffff110033e0f48 RCX: ffffffff81bf96d3
RDX: ffff888014260000 RSI: ffffffff81bf96dd RDI: 0000000000000005
RBP: ffff888016bcafc0 R08: 0000000000000001 R09: 0000000000000000
R10: 00000000fffffffd R11: 0000000000000001 R12: ffff888019f07a80
R13: 00000000fffffffd R14: ffff888016bcafc0 R15: ffff888016bcaf50
FS:  0000000000000000(0000) GS:ffff8880e56dd000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000203c5000 CR3: 000000000e6dd000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 cleanup_mnt+0x41e/0x430
 task_work_run+0x172/0x280
 do_exit+0x846/0x2970
 do_group_exit+0xd3/0x2a0
 get_signal+0x2315/0x2340
 arch_do_signal_or_restart+0x80/0x790
 irqentry_exit_to_user_mode+0x106/0x1c0
 exc_page_fault+0xd9/0x180
 asm_exc_page_fault+0x26/0x30
RIP: 0033:0x7f5bf137d436
Code: Unable to access opcode bytes at 0x7f5bf137d40c.
RSP: 002b:00007f5bee94c1a0 EFLAGS: 00010217
RAX: 0000000000000000 RBX: 00007f5bf14e9f60 RCX: 00007f5bf14e9f60
RDX: 0000000000000000 RSI: 00007f5bf137d42e RDI: 00000000200002c0
RBP: 00007f5bf1430f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc28c1d6ef R14: 00007f5bee94c300 R15: 0000000000022000
 </TASK>
irq event stamp: 1013
hardirqs last  enabled at (1021): [<ffffffff81541b18>] __up_console_sem+0x78/0x80
hardirqs last disabled at (1032): [<ffffffff84bb7e0f>] sysvec_apic_timer_interrupt+0xf/0x80
softirqs last  enabled at (1048): [<ffffffff813bafcc>] handle_softirqs+0x50c/0x770
softirqs last disabled at (1041): [<ffffffff813bb364>] __irq_exit_rcu+0xc4/0x100
---[ end trace 0000000000000000 ]---
loop1: detected capacity change from 0 to 264192