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Message-ID: <d15cd98d8612e756b4c22a10394d680342512c44.camel@sipsolutions.net>
Subject: Re: [syzbot] [wireless?] [reiserfs?] general protection fault in
 __iterate_interfaces
From:   Johannes Berg <johannes@sipsolutions.net>
To:     syzbot <syzbot+1c54f0eff457978ad5f9@syzkaller.appspotmail.com>,
        davem@davemloft.net, edumazet@google.com, kuba@kernel.org,
        linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org,
        linux-wireless@vger.kernel.org, netdev@vger.kernel.org,
        pabeni@redhat.com, reiserfs-devel@vger.kernel.org,
        syzkaller-bugs@googlegroups.com
Date:   Fri, 23 Jun 2023 13:08:23 +0200
In-Reply-To: <000000000000302fb805fd180f4a@google.com>
References: <000000000000302fb805fd180f4a@google.com>
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On Thu, 2023-06-01 at 14:24 -0700, syzbot wrote:
> Hello,
>=20
> syzbot found the following issue on:
>=20
> HEAD commit:    715abedee4cd Add linux-next specific files for 20230515
> git tree:       linux-next
> console output: https://syzkaller.appspot.com/x/log.txt?x=3D13c9672528000=
0
> kernel config:  https://syzkaller.appspot.com/x/.config?x=3D6a2745d066dda=
0ec
> dashboard link: https://syzkaller.appspot.com/bug?extid=3D1c54f0eff457978=
ad5f9
> compiler:       gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binuti=
ls for Debian) 2.35.2
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=3D1588e999280=
000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=3D1013cbc128000=
0
>=20

Looking at the reproducers, there's basically nothing happening in wifi.

So seems likely it's just some really bad memory corruption issue in
reiserfs?

johannes