Re: [syzbot] [overlayfs?] WARNING in fast_dput

[syzbot]

Hello,

syzbot has tested the proposed patch and the reproducer did not trigger any issue:

Reported-by: syzbot+b74150fd2ef40e716ca2@xxxxxxxxxxxxxxxxxxxxxxxxx
Tested-by: syzbot+b74150fd2ef40e716ca2@xxxxxxxxxxxxxxxxxxxxxxxxx

Tested on:

commit:         7d31f578 Add linux-next specific files for 20251128
git tree:       linux-next
console output: https://syzkaller.appspot.com/x/log.txt?x=14231112580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=6336d8e94a7c517d
dashboard link: https://syzkaller.appspot.com/bug?extid=b74150fd2ef40e716ca2
compiler:       Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
patch:          https://syzkaller.appspot.com/x/patch.diff?x=13ab3912580000

Note: testing is done by a robot and is best-effort only.