------------[ cut here ]------------
WARNING: CPU: 1 PID: 3532 at fs/namespace.c:1236 mntput_no_expire+0xa8f/0xc80
Modules linked in:
CPU: 1 PID: 3532 Comm: syz-executor.0 Not tainted 5.18.0-rc6-syzkaller-00009-gfeb9c5e19e91 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:mntput_no_expire+0xa8f/0xc80
Code: 14 32 84 d2 0f 84 d3 fe ff ff 80 fa 03 0f 8f ca fe ff ff 48 89 04 24 e8 4f 2f e9 ff 48 8b 04 24 e9 b8 fe ff ff e8 71 81 9d ff <0f> 0b e9 3a fd ff ff e8 65 81 9d ff e8 00 a5 92 07 31 ff 89 c3 89
RSP: 0018:ffffc900032dfd00 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff88801fcbef00 RCX: 0000000000000000
RDX: ffff8880196d9d80 RSI: ffffffff81dc58ff RDI: 0000000000000003
RBP: 0000000000000008 R08: 0000000000000000 R09: ffffffff9004590f
R10: ffffffff81dc5637 R11: 0000000000000000 R12: 1ffff9200065bfa6
R13: ffffc900032dfd50 R14: 00000000ffffffff R15: dffffc0000000000
FS:  0000555557476480(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055555747f938 CR3: 0000000019de9000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 path_umount+0x793/0x1210
 __x64_sys_umount+0x156/0x180
 do_syscall_64+0x34/0xb0
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f600527ac57
Code: b0 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b0 ff ff ff f7 d8 64 89 02 b8
RSP: 002b:00007ffc41374d48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f600527ac57
RDX: 0000000000000000 RSI: 000000000000000a RDI: 00007ffc41374e00
RBP: 00007ffc41374e00 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffc41375ec0
R13: 00007f60052d416c R14: 00000000000146db R15: 0000000000000006
 </TASK>
