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-rwxr-xr-xmain/qemu/CVE-2017-5578.patch35
1 files changed, 35 insertions, 0 deletions
diff --git a/main/qemu/CVE-2017-5578.patch b/main/qemu/CVE-2017-5578.patch
new file mode 100755
index 0000000000..22e778e4ba
--- /dev/null
+++ b/main/qemu/CVE-2017-5578.patch
@@ -0,0 +1,35 @@
+From 204f01b30975923c64006f8067f0937b91eea68b Mon Sep 17 00:00:00 2001
+From: Li Qiang <liq3ea@gmail.com>
+Date: Thu, 29 Dec 2016 04:28:41 -0500
+Subject: [PATCH] virtio-gpu: fix memory leak in resource attach backing
+
+In the resource attach backing function, everytime it will
+allocate 'res->iov' thus can leading a memory leak. This
+patch avoid this.
+
+Signed-off-by: Li Qiang <liq3ea@gmail.com>
+Message-id: 1483003721-65360-1-git-send-email-liq3ea@gmail.com
+Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
+---
+ hw/display/virtio-gpu.c | 5 +++++
+ 1 file changed, 5 insertions(+)
+
+diff --git a/hw/display/virtio-gpu.c b/hw/display/virtio-gpu.c
+index 6a26258..ca88cf4 100644
+--- a/hw/display/virtio-gpu.c
++++ b/hw/display/virtio-gpu.c
+@@ -714,6 +714,11 @@ virtio_gpu_resource_attach_backing(VirtIOGPU *g,
+ return;
+ }
+
++ if (res->iov) {
++ cmd->error = VIRTIO_GPU_RESP_ERR_UNSPEC;
++ return;
++ }
++
+ ret = virtio_gpu_create_mapping_iov(&ab, cmd, &res->addrs, &res->iov);
+ if (ret != 0) {
+ cmd->error = VIRTIO_GPU_RESP_ERR_UNSPEC;
+--
+1.8.3.1
+