linux-kernel - Re: [Cluster-devel] [syzbot] WARNING in iomap_read_inline

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Message-ID: <CAHc6FU4OhgPsgBGZjKEma8Qt0=HnfkTWL2mWEXCrJEi4P4SnLQ@mail.gmail.com>
Date:   Sun, 4 Dec 2022 17:36:49 +0100
From:   Andreas Gruenbacher <agruenba@...hat.com>
To:     Dave Chinner <david@...morbit.com>
Cc:     syzbot <syzbot+7bb81dfa9cda07d9cd9d@...kaller.appspotmail.com>,
        linux-xfs@...r.kernel.org, cluster-devel@...hat.com,
        djwong@...nel.org, syzkaller-bugs@...glegroups.com,
        linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org
Subject: Re: [Cluster-devel] [syzbot] WARNING in iomap_read_inline_data

On Tue, Nov 29, 2022 at 9:31 PM Dave Chinner <david@...morbit.com> wrote:
> Looks like something to do with the gfs2 inline data functionality -
> syzbot probably corrupted the resource index inode given the
> gfs2_fill_super() context.

Hmm, interesting. We're not checking the size of inline (stuffed)
inodes when reading them from disk in gfs2_dinode_in(). I'll fix that.

Thanks,
Andreas