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

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Message-ID: <68af52e5.a70a0220.3cafd4.0030.GAE@google.com>
Date: Wed, 27 Aug 2025 11:48:05 -0700
From: syzbot <syzbot+ec9fab8b7f0386b98a17@...kaller.appspotmail.com>
To: amir73il@...il.com, andrealmeid@...lia.com, linux-kernel@...r.kernel.org, 
	linux-unionfs@...r.kernel.org, miklos@...redi.hu, neil@...wn.name, 
	syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [overlayfs?] WARNING in shmem_unlink

Hello,

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

Reported-by: syzbot+ec9fab8b7f0386b98a17@...kaller.appspotmail.com
Tested-by: syzbot+ec9fab8b7f0386b98a17@...kaller.appspotmail.com

Tested on:

commit:         5dfcd103 ovl: adapt ovl_parent_lock() to casefolded di..
git tree:       https://github.com/amir73il/linux ovl_casefold
console output: https://syzkaller.appspot.com/x/log.txt?x=1040fc62580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=e1e1566c7726877e
dashboard link: https://syzkaller.appspot.com/bug?extid=ec9fab8b7f0386b98a17
compiler:       Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7

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