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Re: [Qemu-devel] [PATCH] virtio: add check for descriptor's mapped addre
From: |
P J P |
Subject: |
Re: [Qemu-devel] [PATCH] virtio: add check for descriptor's mapped address |
Date: |
Mon, 19 Sep 2016 14:37:48 +0530 (IST) |
+-- 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
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