From: P J P <ppandit@redhat.com>
To: Laszlo Ersek <lersek@redhat.com>
Cc: Qemu Developers <qemu-devel@nongnu.org>,
Qinghao Tang <luodalongde@gmail.com>,
Stefan Hajnoczi <stefanha@redhat.com>,
"Michael S. Tsirkin" <mst@redhat.com>
Subject: Re: [Qemu-devel] [PATCH] virtio: add check for descriptor's mapped address
Date: Mon, 19 Sep 2016 14:37:48 +0530 (IST) [thread overview]
Message-ID: <alpine.LFD.2.20.1609191436270.10164@wniryva> (raw)
In-Reply-To: <e77e758a-028d-c6a8-5d43-8c116e8ee7cd@redhat.com>
+-- On Fri, 16 Sep 2016, Laszlo Ersek wrote --+
| CC Stefan
| I think it would be reasonable to handle this other guest bug similarly:
|
| if (iov[num_sg].iov_base == NULL) {
| error_report("virtio: bogus descriptor or out of resources");
| exit(EXIT_FAILURE);
| }
...
| So, unless Stefan or someone else has a better idea, I suggest the above
| error message, and exit(EXIT_FAILURE).
I have sent a revised patch v2. Thank you.
--
Prasad J Pandit / Red Hat Product Security Team
47AF CE69 3A90 54AA 9045 1053 DD13 3D32 FE5B 041F
prev parent reply other threads:[~2016-09-19 9:08 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-15 11:34 [Qemu-devel] [PATCH] virtio: add check for descriptor's mapped address P J P
2016-09-16 17:00 ` Laszlo Ersek
2016-09-19 9:07 ` P J P [this message]
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