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Message-ID: <CANp29Y6eSpawFhDhv2SW78PKhvCSke8z26=MYNdSu8V4vPSoag@mail.gmail.com>
Date: Mon, 26 Jun 2023 19:55:47 +0200
From: Aleksandr Nogikh <nogikh@...gle.com>
To: Johannes Berg <johannes@...solutions.net>
Cc: syzbot <syzbot+1c54f0eff457978ad5f9@...kaller.appspotmail.com>,
davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-wireless@...r.kernel.org, netdev@...r.kernel.org,
pabeni@...hat.com, reiserfs-devel@...r.kernel.org,
syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [wireless?] [reiserfs?] general protection fault in __iterate_interfaces
On Fri, Jun 23, 2023 at 1:08 PM Johannes Berg <johannes@...solutions.net> wrote:
>
> On Thu, 2023-06-01 at 14:24 -0700, syzbot wrote:
> > Hello,
> >
> > syzbot found the following issue on:
> >
> > HEAD commit: 715abedee4cd Add linux-next specific files for 20230515
> > git tree: linux-next
> > console output: https://syzkaller.appspot.com/x/log.txt?x=13c96725280000
> > kernel config: https://syzkaller.appspot.com/x/.config?x=6a2745d066dda0ec
> > dashboard link: https://syzkaller.appspot.com/bug?extid=1c54f0eff457978ad5f9
> > compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
> > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1588e999280000
> > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1013cbc1280000
> >
>
> 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?
Looks like that indeed.
Let's update bug's subsystems on the syzbot dashboard:
#syz set subsystems: reiserfs
>
> johannes
>
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