guix/gnu/packages/patches/qemu-CVE-2017-5578.patch
Efraim Flashner b352b57655
gnu: qemu: Patch CVE-2017-{2615, 5578, 5579, 5856}.
* gnu/packages/qemu.scm (qemu)[source]: Add patches.
* gnu/packages/patches/qemu-CVE-2017-2615,
gnu/packages/patches/qemu-CVE-2017-5578,
gnu/packages/patches/qemu-CVE-2017-5579,
gnu/packages/patches/qemu-CVE-2017-5856: New files.
* gnu/local.mk (dist_patch_DATA): Register them.
2017-02-03 21:56:35 +02:00

39 lines
1.2 KiB
Diff

http://git.qemu.org/?p=qemu.git;a=patch;h=204f01b30975923c64006f8067f0937b91eea68b
this patch is from qemu-git.
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 6a26258cac..ca88cf478d 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;
--
2.11.0