File virglrenderer-CVE-2022-0135.patch of Package virglrenderer

Overview Repositories Revisions Requests Users Attributes Meta

File virglrenderer-CVE-2022-0135.patch of Package virglrenderer (Revision 8f1cd0949e40b70bbe88c678badd569b)

Currently displaying revision 8f1cd0949e40b70bbe88c678badd569b , Show latest

Index: virglrenderer-virglrenderer-0.9.1/src/vrend_renderer.c
===================================================================
--- virglrenderer-virglrenderer-0.9.1.orig/src/vrend_renderer.c
+++ virglrenderer-virglrenderer-0.9.1/src/vrend_renderer.c
@@ -7568,8 +7568,11 @@ static int vrend_renderer_transfer_write
                                           info->box->height) * elsize;
       if (res->target == GL_TEXTURE_3D ||
           res->target == GL_TEXTURE_2D_ARRAY ||
+          res->target == GL_TEXTURE_2D_MULTISAMPLE_ARRAY ||
           res->target == GL_TEXTURE_CUBE_MAP_ARRAY)
           send_size *= info->box->depth;
+      else if (need_temp && info->box->depth != 1)
+          return EINVAL;
 
       if (need_temp) {
          data = malloc(send_size);
Index: virglrenderer-virglrenderer-0.9.1/tests/test_fuzzer_formats.c
===================================================================
--- virglrenderer-virglrenderer-0.9.1.orig/tests/test_fuzzer_formats.c
+++ virglrenderer-virglrenderer-0.9.1/tests/test_fuzzer_formats.c
@@ -958,6 +958,48 @@ static void test_vrend_set_signle_abo_he
     virgl_renderer_submit_cmd((void *) cmd, ctx_id, 0xde);
 }
 
+/* Test adapted from yaojun8558363@gmail.com:
+ * https://gitlab.freedesktop.org/virgl/virglrenderer/-/issues/250
+ */
+static void test_vrend_3d_resource_overflow() {
+
+	struct virgl_renderer_resource_create_args resource;
+	resource.handle = 0x4c474572;
+	resource.target = PIPE_TEXTURE_2D_ARRAY;
+	resource.format = VIRGL_FORMAT_Z24X8_UNORM;
+	resource.nr_samples = 2;
+	resource.last_level = 0;
+	resource.array_size = 3;
+	resource.bind = VIRGL_BIND_SAMPLER_VIEW;
+	resource.depth = 1;
+	resource.width = 8;
+	resource.height = 4;
+	resource.flags = 0;
+
+	virgl_renderer_resource_create(&resource, NULL, 0);
+	virgl_renderer_ctx_attach_resource(ctx_id, resource.handle);
+
+	uint32_t size = 0x400;
+	uint32_t cmd[size];
+	int i = 0;
+	cmd[i++] = (size - 1) << 16 | 0 << 8 | VIRGL_CCMD_RESOURCE_INLINE_WRITE;
+	cmd[i++] = resource.handle;
+	cmd[i++] = 0; // level
+	cmd[i++] = 0; // usage
+	cmd[i++] = 0; // stride
+	cmd[i++] = 0; // layer_stride
+	cmd[i++] = 0; // x
+	cmd[i++] = 0; // y
+	cmd[i++] = 0; // z
+	cmd[i++] = 8; // w
+	cmd[i++] = 4; // h
+	cmd[i++] = 3; // d
+	memset(&cmd[i], 0, size - i);
+
+	virgl_renderer_submit_cmd((void *) cmd, ctx_id, size);
+}
+
+
 int main()
 {
    initialize_environment();
@@ -980,6 +1022,7 @@ int main()
    test_cs_nullpointer_deference();
    test_vrend_set_signle_abo_heap_overflow();
 
+   test_vrend_3d_resource_overflow();
 
    virgl_renderer_context_destroy(ctx_id);
    virgl_renderer_cleanup(&cookie);

Places

File virglrenderer-CVE-2022-0135.patch of Package virglrenderer (Revision 8f1cd0949e40b70bbe88c678badd569b)

Places