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105 lines
3.2 KiB
C
105 lines
3.2 KiB
C
/*
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* Copyright 2016 Google Inc.
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* author: Edward Hervey <bilboed@bilboed.com>
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <locale.h>
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#include <stdlib.h>
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#include <glib.h>
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#include <gst/gst.h>
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GST_PLUGIN_STATIC_DECLARE(coreelements);
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GST_PLUGIN_STATIC_DECLARE(typefindfunctions);
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GST_PLUGIN_STATIC_DECLARE(app);
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/* push-based typefind fuzzing target
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*
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* This application can be compiled with libFuzzer to simulate
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* a push-based typefind execution.
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*
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* To reproduce the failing behaviour, use:
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* $ gst-launch-1.0 pushfile:///.. ! typefind ! fakesink
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*
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* The goal is to cover typefind code and implementation.
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*
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**/
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static void
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appsrc_configuration (GstDiscoverer *dc, GstElement *source, gpointer data)
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{
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GstBuffer *buf;
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GstFlowReturn ret;
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/* Create buffer from fuzztesting_data which shouldn't be freed */
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}
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int LLVMFuzzerTestOneInput(const guint8 *data, size_t size)
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{
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GError *err = NULL;
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static gboolean initialized = 0;
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GstElement *pipeline, *source, *typefind, *fakesink;
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GstBuffer *buf;
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GstFlowReturn flowret;
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if (!initialized) {
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/* We want critical warnings to assert so we can fix them
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* But somehow it's not causing oss-fuzz to crash ... */
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g_setenv ("G_DEBUG", "fatal-criticals", TRUE);
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/* Only initialize and register plugins once */
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gst_init (NULL, NULL);
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GST_PLUGIN_STATIC_REGISTER(coreelements);
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GST_PLUGIN_STATIC_REGISTER(typefindfunctions);
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GST_PLUGIN_STATIC_REGISTER(app);
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}
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/* Create the pipeline */
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source = gst_element_factory_make ("appsrc", "source");
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typefind = gst_element_factory_make ("typefind", "typefind");
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fakesink = gst_element_factory_make ("fakesink", "fakesink");
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gst_bin_add_many (GST_BIN (pipeline), source, typefind, fakesink, NULL);
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gst_element_link_many (source, typefind, fakesink, NULL);
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/* Set pipeline to READY so we can provide data to appsrc */
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gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_READY);
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buf = gst_buffer_new_wrapped_full (0, (gpointer) data, size,
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0, size, NULL, NULL);
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g_object_set (G_OBJECT (source), "size", size, NULL);
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g_signal_emit_by_name (G_OBJECT(source), "push-buffer", buf, &ret);
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gst_buffer_unref (buf);
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/* Set pipeline to PAUSED and wait (typefind will either fail or succeed) */
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gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_PAUSED);
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/* wait until state change either completes or fails */
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sret = gst_element_get_state (GST_ELEMENT (pipeline), &state, NULL, -1);
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/* Go back to NULL */
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gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_NULL);
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/* And release the pipeline */
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gst_object_unref (pipeline);
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return 0;
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}
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