a0f61528af
CVE-2016-7909: pcnet: Infinite loop in pcnet_rdra_addr (bz #1381196) CVE-2016-7994: virtio-gpu: memory leak in resource_create_2d (bz #1382667) CVE-2016-8577: 9pfs: host memory leakage in v9fs_read (bz #1383286) CVE-2016-8578: 9pfs: potential NULL dereferencein 9pfs routines (bz #1383292) CVE-2016-8668: OOB buffer access in rocker switch emulation (bz #1384898) CVE-2016-8669: divide by zero error in serial_update_parameters (bz #1384911) CVE-2016-8909: intel-hda: infinite loop in dma buffer stream (bz #1388053) Infinite loop vulnerability in a9_gtimer_update (bz #1388300) CVE-2016-9101: eepro100: memory leakage at device unplug (bz #1389539) CVE-2016-9103: 9pfs: information leakage via xattr (bz #1389643) CVE-2016-9102: 9pfs: memory leakage when creating extended attribute (bz #1389551) CVE-2016-9104: 9pfs: integer overflow leading to OOB access (bz #1389687) CVE-2016-9105: 9pfs: memory leakage in v9fs_link (bz #1389704) CVE-2016-9106: 9pfs: memory leakage in v9fs_write (bz #1389713) CVE-2016-9381: xen: incautious about shared ring processing (bz #1397385) CVE-2016-9921: Divide by zero vulnerability in cirrus_do_copy (bz #1399054) CVE-2016-9776: infinite loop while receiving data in mcf_fec_receive (bz #1400830) CVE-2016-9845: information leakage in virgl_cmd_get_capset_info (bz #1402247) CVE-2016-9846: virtio-gpu: memory leakage while updating cursor data (bz #1402258) CVE-2016-9907: usbredir: memory leakage when destroying redirector (bz #1402266) CVE-2016-9911: usb: ehci: memory leakage in ehci_init_transfer (bz #1402273) CVE-2016-9913: 9pfs: memory leakage via proxy/handle callbacks (bz #1402277) CVE-2016-10028: virtio-gpu-3d: OOB access while reading virgl capabilities (bz #1406368) CVE-2016-9908: virtio-gpu: information leakage in virgl_cmd_get_capset (bz #1402263) CVE-2016-9912: virtio-gpu: memory leakage when destroying gpu resource (bz #1402285)
42 lines
1.5 KiB
Diff
42 lines
1.5 KiB
Diff
From: Li Qiang <liq3ea@gmail.com>
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Date: Mon, 28 Nov 2016 21:29:25 -0500
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Subject: [PATCH] virtio-gpu: call cleanup mapping function in resource destroy
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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If the guest destroy the resource before detach banking, the 'iov'
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and 'addrs' field in resource is not freed thus leading memory
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leak issue. This patch avoid this.
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Signed-off-by: Li Qiang <liq3ea@gmail.com>
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Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
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Message-id: 1480386565-10077-1-git-send-email-liq3ea@gmail.com
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Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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(cherry picked from commit b8e23926c568f2e963af39028b71c472e3023793)
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---
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hw/display/virtio-gpu.c | 3 +++
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1 file changed, 3 insertions(+)
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diff --git a/hw/display/virtio-gpu.c b/hw/display/virtio-gpu.c
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index 41f8096..8903dee 100644
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--- a/hw/display/virtio-gpu.c
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+++ b/hw/display/virtio-gpu.c
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@@ -28,6 +28,8 @@
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static struct virtio_gpu_simple_resource*
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virtio_gpu_find_resource(VirtIOGPU *g, uint32_t resource_id);
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+static void virtio_gpu_cleanup_mapping(struct virtio_gpu_simple_resource *res);
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+
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#ifdef CONFIG_VIRGL
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#include <virglrenderer.h>
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#define VIRGL(_g, _virgl, _simple, ...) \
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@@ -359,6 +361,7 @@ static void virtio_gpu_resource_destroy(VirtIOGPU *g,
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struct virtio_gpu_simple_resource *res)
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{
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pixman_image_unref(res->image);
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+ virtio_gpu_cleanup_mapping(res);
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QTAILQ_REMOVE(&g->reslist, res, next);
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g_free(res);
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}
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