From: Christoph Hellwig <hch@lst.de>
To: syzbot <syzbot+8fede7e30c7cee0de139@syzkaller.appspotmail.com>
Cc: axboe@kernel.dk, hch@lst.de, linux-block@vger.kernel.org,
linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com,
tj@kernel.org
Subject: Re: [syzbot] KASAN: use-after-free Read in disk_part_iter_next (2)
Date: Wed, 24 Mar 2021 10:49:47 +0100 [thread overview]
Message-ID: <20210324094947.GA9252@lst.de> (raw)
In-Reply-To: <000000000000a17fb305be0b3f38@google.com>
#syz test: git://git.infradead.org/users/hch/block.git part-iter-fix
On Sun, Mar 21, 2021 at 05:40:05AM -0700, syzbot wrote:
> syzbot has bisected this issue to:
>
> commit a33df75c6328bf40078b35f2040d8e54d574c357
> Author: Christoph Hellwig <hch@lst.de>
> Date: Sun Jan 24 10:02:41 2021 +0000
>
> block: use an xarray for disk->part_tbl
>
> bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=17989906d00000
> start commit: 1c273e10 Merge tag 'zonefs-5.12-rc4' of git://git.kernel.o..
> git tree: upstream
> final oops: https://syzkaller.appspot.com/x/report.txt?x=14589906d00000
> console output: https://syzkaller.appspot.com/x/log.txt?x=10589906d00000
> kernel config: https://syzkaller.appspot.com/x/.config?x=6abda3336c698a07
> dashboard link: https://syzkaller.appspot.com/bug?extid=8fede7e30c7cee0de139
> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=13dfe8bed00000
> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=155a117cd00000
>
> Reported-by: syzbot+8fede7e30c7cee0de139@syzkaller.appspotmail.com
> Fixes: a33df75c6328 ("block: use an xarray for disk->part_tbl")
>
> For information about bisection process see: https://goo.gl/tpsmEJ#bisection
---end quoted text---
next prev parent reply other threads:[~2021-03-24 9:50 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-14 11:08 [syzbot] KASAN: use-after-free Read in disk_part_iter_next (2) syzbot
2021-03-20 20:53 ` syzbot
2021-03-21 12:40 ` syzbot
2021-03-22 7:18 ` Christoph Hellwig
2021-03-22 7:49 ` Dmitry Vyukov
2021-03-22 8:01 ` syzbot
2021-03-22 22:21 ` Bart Van Assche
2021-03-24 9:49 ` Christoph Hellwig [this message]
2021-03-24 10:01 ` syzbot
2021-03-21 21:26 ` Bart Van Assche
2021-03-21 21:39 ` syzbot
2021-03-22 2:35 ` Ming Lei
2021-03-22 4:15 ` Bart Van Assche
2021-03-22 8:51 ` Ming Lei
2021-03-22 10:09 ` syzbot
2021-03-26 8:35 ` Ming Lei
2021-03-26 17:01 ` syzbot
2021-03-27 6:50 ` Ming Lei
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20210324094947.GA9252@lst.de \
--to=hch@lst.de \
--cc=axboe@kernel.dk \
--cc=linux-block@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=syzbot+8fede7e30c7cee0de139@syzkaller.appspotmail.com \
--cc=syzkaller-bugs@googlegroups.com \
--cc=tj@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).