70b09a5bad
Update to v2.8.0, including integration of SLE qemu package so we are "Factory First" again for SLE qemu. Includes some spec file tweaks/cleanups as well. A number of post v2.8.0 security fixes are also included. OBS-URL: https://build.opensuse.org/request/show/461715 OBS-URL: https://build.opensuse.org/package/show/Virtualization/qemu?expand=0&rev=329
36 lines
1.2 KiB
Diff
36 lines
1.2 KiB
Diff
From 536ae1665b9302a31932113b1ec7d52cbd7af752 Mon Sep 17 00:00:00 2001
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From: Li Qiang <liq3ea@gmail.com>
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Date: Thu, 29 Dec 2016 04:28:41 -0500
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Subject: [PATCH] virtio-gpu: fix memory leak in resource attach backing
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In the resource attach backing function, everytime it will
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allocate 'res->iov' thus can leading a memory leak. This
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patch avoid this.
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Signed-off-by: Li Qiang <liq3ea@gmail.com>
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Message-id: 1483003721-65360-1-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 204f01b30975923c64006f8067f0937b91eea68b)
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[BR: CVE-2017-5578 BSC#1021481]
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Signed-off-by: Bruce Rogers <brogers@suse.com>
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---
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hw/display/virtio-gpu.c | 5 +++++
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1 file changed, 5 insertions(+)
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diff --git a/hw/display/virtio-gpu.c b/hw/display/virtio-gpu.c
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index 3eafe495ef..edd8ddaf78 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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@@ -708,6 +708,11 @@ virtio_gpu_resource_attach_backing(VirtIOGPU *g,
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return;
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}
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+ if (res->iov) {
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+ cmd->error = VIRTIO_GPU_RESP_ERR_UNSPEC;
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+ return;
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+ }
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+
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ret = virtio_gpu_create_mapping_iov(&ab, cmd, &res->addrs, &res->iov);
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if (ret != 0) {
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cmd->error = VIRTIO_GPU_RESP_ERR_UNSPEC;
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