pve-qemu/debian/patches/extra/CVE-2016-7994-virtio-gpu-fi...

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From 594fa98211f92ab07ee6d6b6a9eda93a416a1f57 Mon Sep 17 00:00:00 2001
From: Li Qiang <liqiang6-s@360.cn>
Date: Sun, 18 Sep 2016 19:07:11 -0700
Subject: [PATCH 1/2] virtio-gpu: fix memory leak in
virtio_gpu_resource_create_2d
In virtio gpu resource create dispatch, if the pixman format is zero
it doesn't free the resource object allocated previously. Thus leading
a host memory leak issue. This patch avoid this.
Signed-off-by: Li Qiang <liqiang6-s@360.cn>
---
hw/display/virtio-gpu.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/hw/display/virtio-gpu.c b/hw/display/virtio-gpu.c
index 7fe6ed8..5b6d17b 100644
--- a/hw/display/virtio-gpu.c
+++ b/hw/display/virtio-gpu.c
@@ -333,6 +333,7 @@ static void virtio_gpu_resource_create_2d(VirtIOGPU *g,
qemu_log_mask(LOG_GUEST_ERROR,
"%s: host couldn't handle guest format %d\n",
__func__, c2d.format);
+ g_free(res);
cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER;
return;
}
--
2.1.4