linux-kernel - Re: [syzbot] [overlayfs?] WARNING in fast

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Message-ID: <692d6b59.a70a0220.d98e3.0182.GAE@google.com>
Date: Mon, 01 Dec 2025 02:18:01 -0800
From: syzbot <syzbot+b74150fd2ef40e716ca2@...kaller.appspotmail.com>
To: amir73il@...il.com, brauner@...nel.org, jack@...e.cz, 
	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org, 
	linux-unionfs@...r.kernel.org, miklos@...redi.hu, neil@...wn.name, 
	syzkaller-bugs@...glegroups.com, viro@...iv.linux.org.uk
Subject: Re: [syzbot] [overlayfs?] WARNING in fast_dput

Hello,

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

Reported-by: syzbot+b74150fd2ef40e716ca2@...kaller.appspotmail.com
Tested-by: syzbot+b74150fd2ef40e716ca2@...kaller.appspotmail.com

Tested on:

commit:         7d0a66e4 Linux 6.18
git tree:       upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=10b5c192580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=859bdb453c94e06c
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

Note: no patches were applied.
Note: testing is done by a robot and is best-effort only.