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:1375 at cleanup_mnt+0x33f/0x430, CPU#0: syz-executor.6/4019
Modules linked in:
CPU: 0 UID: 0 PID: 4019 Comm: syz-executor.6 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:cleanup_mnt+0x33f/0x430
Code: c7 a0 45 d1 85 e8 01 7c fa 02 49 8d 7d 40 5b 48 c7 c6 10 e2 be 81 5d 41 5c 41 5d 41 5e 41 5f e9 57 b3 9c ff e8 82 46 b4 ff 90 <0f> 0b 90 e9 e6 fc ff ff e8 74 46 b4 ff 4c 89 ef e8 6c d7 06 00 e9
RSP: 0018:ffff88801baffaf8 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000000009 RCX: ffffffff81bf9de5
RDX: ffff88801547b700 RSI: ffffffff81bfa0fe RDI: 0000000000000005
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001
kmemleak: Automatic memory scanning thread ended
R10: 0000000000000009 R11: 0000000000000001 R12: ffff88801547bfd8
R13: ffff88800d942a80 R14: 0000000000000001 R15: ffff88800d942ac0
FS:  0000000000000000(0000) GS:ffff8880e55dd000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000000000e CR3: 000000000ed5a000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 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: 0033:0xe
Code: Unable to access opcode bytes at 0xffffffffffffffe4.
RSP: 002b:00007f243bd0e190 EFLAGS: 00010217
RAX: 0000000000000000 RBX: 00007f243e8cd020 RCX: 00007f243e7b9b19
RDX: 0000000000000000 RSI: 0000000000000058 RDI: 00000000200002c0
RBP: 00007f243e813f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff302304ff R14: 00007f243bd0e300 R15: 0000000000022000
 </TASK>
irq event stamp: 771
hardirqs last  enabled at (917): [<ffffffff81541b18>] __up_console_sem+0x78/0x80
hardirqs last disabled at (1086): [<ffffffff81541afd>] __up_console_sem+0x5d/0x80
softirqs last  enabled at (1082): [<ffffffff813bafcc>] handle_softirqs+0x50c/0x770
softirqs last disabled at (925): [<ffffffff813bb364>] __irq_exit_rcu+0xc4/0x100
---[ end trace 0000000000000000 ]---