diff options
Diffstat (limited to 'gnu/packages/patches/qemu-CVE-2017-5552.patch')
-rw-r--r-- | gnu/packages/patches/qemu-CVE-2017-5552.patch | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/gnu/packages/patches/qemu-CVE-2017-5552.patch b/gnu/packages/patches/qemu-CVE-2017-5552.patch new file mode 100644 index 0000000000..50911f4f36 --- /dev/null +++ b/gnu/packages/patches/qemu-CVE-2017-5552.patch @@ -0,0 +1,44 @@ +From 33243031dad02d161225ba99d782616da133f689 Mon Sep 17 00:00:00 2001 +From: Li Qiang <liq3ea@gmail.com> +Date: Thu, 29 Dec 2016 03:11:26 -0500 +Subject: [PATCH] virtio-gpu-3d: fix memory leak in resource attach backing +MIME-Version: 1.0 +Content-Type: text/plain; charset=utf8 +Content-Transfer-Encoding: 8bit + +If the virgl_renderer_resource_attach_iov function fails the +'res_iovs' will be leaked. Add check of the return value to +free the 'res_iovs' when failing. + +http://git.qemu.org/?p=qemu.git;a=patch;h=33243031dad02d161225ba99d782616da133f689 +this patch is from qemu-git. + +Signed-off-by: Li Qiang <liq3ea@gmail.com> +Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> +Message-id: 1482999086-59795-1-git-send-email-liq3ea@gmail.com +Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> +--- + hw/display/virtio-gpu-3d.c | 7 +++++-- + 1 files changed, 5 insertions(+), 2 deletions(-) + +diff --git a/hw/display/virtio-gpu-3d.c b/hw/display/virtio-gpu-3d.c +index e29f099..b13ced3 100644 +--- a/hw/display/virtio-gpu-3d.c ++++ b/hw/display/virtio-gpu-3d.c +@@ -291,8 +291,11 @@ static void virgl_resource_attach_backing(VirtIOGPU *g, + return; + } + +- virgl_renderer_resource_attach_iov(att_rb.resource_id, +- res_iovs, att_rb.nr_entries); ++ ret = virgl_renderer_resource_attach_iov(att_rb.resource_id, ++ res_iovs, att_rb.nr_entries); ++ ++ if (ret != 0) ++ virtio_gpu_cleanup_mapping_iov(res_iovs, att_rb.nr_entries); + } + + static void virgl_resource_detach_backing(VirtIOGPU *g, +-- +1.7.0.4 + |