linux-kernel - Re: [syzbot] KASAN: use-after-free Write in ext4_write_inline

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Date:   Fri, 20 Aug 2021 21:31:08 -0700
From:   syzbot <syzbot+1bd003b0dbaa786227e6@...kaller.appspotmail.com>
To:     adilger.kernel@...ger.ca, bvanassche@....org,
        linux-ext4@...r.kernel.org, linux-kernel@...r.kernel.org,
        mingo@...nel.org, peterz@...radead.org,
        syzkaller-bugs@...glegroups.com, tytso@....edu
Subject: Re: [syzbot] KASAN: use-after-free Write in ext4_write_inline_data

Hello,

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

Reported-and-tested-by: syzbot+1bd003b0dbaa786227e6@...kaller.appspotmail.com

Tested on:

commit:         9e445093 ext4: fix race writing to an inline_data file..
git tree:       git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git
kernel config:  https://syzkaller.appspot.com/x/.config?x=7273c75708b55890
dashboard link: https://syzkaller.appspot.com/bug?extid=1bd003b0dbaa786227e6
compiler:       gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.1

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