Commit 86dd8fac authored by Li Qiang's avatar Li Qiang Committed by Gerd Hoffmann
Browse files

vhost-user-gpu: fix resource leak in 'vg_resource_create_2d' (CVE-2021-3544)



Call 'vugbm_buffer_destroy' in error path to avoid resource leak.

Fixes: CVE-2021-3544
Reported-by: default avatarLi Qiang <liq3ea@163.com>
Reviewed-by: default avatarPrasad J Pandit <pjp@fedoraproject.org>
Signed-off-by: default avatarLi Qiang <liq3ea@163.com>
Reviewed-by: Marc-André Lureau's avatarMarc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20210516030403.107723-3-liq3ea@163.com>
Signed-off-by: Gerd Hoffmann's avatarGerd Hoffmann <kraxel@redhat.com>
parent 121841b2
......@@ -349,6 +349,7 @@ vg_resource_create_2d(VuGpu *g,
g_critical("%s: resource creation failed %d %d %d",
__func__, c2d.resource_id, c2d.width, c2d.height);
g_free(res);
vugbm_buffer_destroy(&res->buffer);
cmd->error = VIRTIO_GPU_RESP_ERR_OUT_OF_MEMORY;
return;
}
......
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