From: Jens Axboe <axboe@kernel.dk>
To: syzbot <syzbot+0198afa90d8c29ef9557@syzkaller.appspotmail.com>,
asml.silence@gmail.com, io-uring@vger.kernel.org,
linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com
Subject: Re: [syzbot] [io-uring?] KMSAN: uninit-value in io_rw_fail (2)
Date: Fri, 9 Feb 2024 15:14:11 -0700 [thread overview]
Message-ID: <f7a6623d-b55f-4301-be1d-ee0327ebd353@kernel.dk> (raw)
In-Reply-To: <0000000000004b1fa70610fa3230@google.com>
On 2/9/24 3:10 PM, syzbot wrote:
> Hello,
>
> syzbot found the following issue on:
>
> HEAD commit: 9f8413c4a66f Merge tag 'cgroup-for-6.8' of git://git.kerne..
> git tree: upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=1743d3e4180000
> kernel config: https://syzkaller.appspot.com/x/.config?x=656820e61b758b15
> dashboard link: https://syzkaller.appspot.com/bug?extid=0198afa90d8c29ef9557
> compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
This was fixed a while back, not sure why an old kernel is being tested. But
in any case, the result of this was just garbage in cqe->res for a request
that was prematurely errored. Nothing to worry about. In any case:
#syz fix: io_uring/rw: ensure io->bytes_done is always initialized
--
Jens Axboe
next prev parent reply other threads:[~2024-02-09 22:14 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-02-09 22:10 syzbot
2024-02-09 22:14 ` Jens Axboe [this message]
2024-02-12 14:06 ` Alexander Potapenko
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