linux-kernel - Re: [syzbot] [ext4?] KASAN: slab-use-after-free Read in __ext4_check_dir

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Message-ID: <6867334d.a00a0220.c7b3.000f.GAE@google.com>
Date: Thu, 03 Jul 2025 18:50:05 -0700
From: syzbot <syzbot+5322c5c260eb44d209ed@...kaller.appspotmail.com>
To: dmantipov@...dex.ru, linux-kernel@...r.kernel.org, 
	syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [ext4?] KASAN: slab-use-after-free Read in __ext4_check_dir_entry

Hello,

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

Reported-by: syzbot+5322c5c260eb44d209ed@...kaller.appspotmail.com
Tested-by: syzbot+5322c5c260eb44d209ed@...kaller.appspotmail.com

Tested on:

commit:         b4911fb0 Merge tag 'mmc-v6.16-rc1' of git://git.kernel..
git tree:       https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
console output: https://syzkaller.appspot.com/x/log.txt?x=1695f770580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=3f6ddf055b5c86f8
dashboard link: https://syzkaller.appspot.com/bug?extid=5322c5c260eb44d209ed
compiler:       Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
patch:          https://syzkaller.appspot.com/x/patch.diff?x=160cf48c580000

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