From: Stefan Hajnoczi <stefanha@gmail.com>
To: P J P <ppandit@redhat.com>
Cc: Qemu Developers <qemu-devel@nongnu.org>,
Huawei PSIRT <psirt@huawei.com>,
Gerd Hoffmann <kraxel@redhat.com>,
Prasad J Pandit <pjp@fedoraproject.org>
Subject: Re: [Qemu-devel] [PATCH] audio: intel-hda: check stream entry count during transfer
Date: Thu, 20 Oct 2016 10:37:26 +0100 [thread overview]
Message-ID: <20161020093726.GA7599@stefanha-x1.localdomain> (raw)
In-Reply-To: <1476949224-6865-1-git-send-email-ppandit@redhat.com>
[-- Attachment #1: Type: text/plain, Size: 686 bytes --]
On Thu, Oct 20, 2016 at 01:10:24PM +0530, P J P wrote:
> From: Prasad J Pandit <pjp@fedoraproject.org>
>
> Intel HDA emulator uses stream of buffers during DMA data
> transfers. Each entry has buffer length and buffer pointer
> position, which are used to derive bytes to 'copy'. If this
> length and buffer pointer were to be same, 'copy' could be
> set to zero(0), leading to an infinite loop. Add check to
> avoid it.
>
> Reported-by: Huawei PSIRT <psirt@huawei.com>
> Signed-off-by: Prasad J Pandit <pjp@fedoraproject.org>
> ---
> hw/audio/intel-hda.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
[-- Attachment #2: signature.asc --]
[-- Type: application/pgp-signature, Size: 455 bytes --]
next prev parent reply other threads:[~2016-10-20 9:37 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-10-20 7:40 [Qemu-devel] [PATCH] audio: intel-hda: check stream entry count during transfer P J P
2016-10-20 9:37 ` Stefan Hajnoczi [this message]
2016-10-26 12:48 ` Gerd Hoffmann
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=20161020093726.GA7599@stefanha-x1.localdomain \
--to=stefanha@gmail.com \
--cc=kraxel@redhat.com \
--cc=pjp@fedoraproject.org \
--cc=ppandit@redhat.com \
--cc=psirt@huawei.com \
--cc=qemu-devel@nongnu.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).