From: Pavel Begunkov <asml.silence@gmail.com>
To: syzbot <syzbot+3587cbbc6e1868796292@syzkaller.appspotmail.com>,
axboe@kernel.dk, bcrl@kvack.org, linux-aio@kvack.org,
linux-block@vger.kernel.org, linux-fsdevel@vger.kernel.org,
linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com,
viro@zeniv.linux.org.uk
Subject: Re: [syzbot] KASAN: use-after-free Write in io_submit_one
Date: Wed, 8 Dec 2021 18:14:01 +0000 [thread overview]
Message-ID: <02bcc03a-f5e1-bc7d-b4f1-323dd4495080@gmail.com> (raw)
In-Reply-To: <000000000000ad0e4105d29b6b0f@google.com>
On 12/8/21 05:04, syzbot wrote:
> syzbot has bisected this issue to:
>
> commit 54a88eb838d37af930c9f19e1930a4fba6789cb5
> Author: Pavel Begunkov <asml.silence@gmail.com>
> Date: Sat Oct 23 16:21:32 2021 +0000
>
> block: add single bio async direct IO helper
Looks that's the same George reported yesterday, a fix is queued:
https://git.kernel.dk/cgit/linux-block/commit/?h=block-5.16&id=75feae73a28020e492fbad2323245455ef69d687
#syz fix: block: fix single bio async DIO error handling
> bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1615e2b9b00000
> start commit: 04fe99a8d936 Add linux-next specific files for 20211207
> git tree: linux-next
> final oops: https://syzkaller.appspot.com/x/report.txt?x=1515e2b9b00000
> console output: https://syzkaller.appspot.com/x/log.txt?x=1115e2b9b00000
> kernel config: https://syzkaller.appspot.com/x/.config?x=4589399873466942
> dashboard link: https://syzkaller.appspot.com/bug?extid=3587cbbc6e1868796292
> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=17db884db00000
> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=14e9eabdb00000
>
> Reported-by: syzbot+3587cbbc6e1868796292@syzkaller.appspotmail.com
> Fixes: 54a88eb838d3 ("block: add single bio async direct IO helper")
>
> For information about bisection process see: https://goo.gl/tpsmEJ#bisection
>
--
Pavel Begunkov
prev parent reply other threads:[~2021-12-08 18:14 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-03 23:16 [syzbot] KASAN: use-after-free Write in io_submit_one syzbot
2021-12-07 18:49 ` syzbot
2021-12-08 5:04 ` syzbot
2021-12-08 18:14 ` Pavel Begunkov [this message]
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