From: Pavel Begunkov <asml.silence@gmail.com>
To: Jens Axboe <axboe@kernel.dk>, io-uring@vger.kernel.org
Cc: stable@vger.kernel.org
Subject: Re: [PATCH 5.10] io_uring: fix recvmsg setup with compat buf-select
Date: Wed, 2 Dec 2020 22:04:11 +0000 [thread overview]
Message-ID: <14be454c-46cc-310a-1a43-6065f3b3020b@gmail.com> (raw)
In-Reply-To: <ee19d846-6f58-5ff0-7928-48c00fcbce3a@kernel.dk>
On 30/11/2020 18:12, Jens Axboe wrote:
> On 11/29/20 11:33 AM, Pavel Begunkov wrote:
>> __io_compat_recvmsg_copy_hdr() with REQ_F_BUFFER_SELECT reads out iov
>> len but never assigns it to iov/fast_iov, leaving sr->len with garbage.
>> Hopefully, following io_buffer_select() truncates it to the selected
>> buffer size, but the value is still may be under what was specified.
>
> Applied, thanks.
Jens, apologies but where did it go? Can't find at git.kernel.dk
--
Pavel Begunkov
next prev parent reply other threads:[~2020-12-02 22:08 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-29 18:33 [PATCH 5.10] io_uring: fix recvmsg setup with compat buf-select Pavel Begunkov
2020-11-30 18:12 ` Jens Axboe
2020-12-02 22:04 ` Pavel Begunkov [this message]
2020-12-02 23:24 ` Jens Axboe
2020-12-03 0:41 ` Pavel Begunkov
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=14be454c-46cc-310a-1a43-6065f3b3020b@gmail.com \
--to=asml.silence@gmail.com \
--cc=axboe@kernel.dk \
--cc=io-uring@vger.kernel.org \
--cc=stable@vger.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