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39 lines
1.3 KiB
39 lines
1.3 KiB
4 months ago
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// Copyright 2021 Google LLC
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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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#include "ExampleFuzzerNative.h"
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#include <string>
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// simple function containing a crash that requires coverage and string compare
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// instrumentation for the fuzzer to find
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void parseInternal(const std::string &input) {
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if (input[0] == 'a' && input[1] == 'b' && input[5] == 'c') {
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if (input.find("secret_in_native_library") != std::string::npos) {
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// BOOM
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*(char *)1 = 2;
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}
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}
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}
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JNIEXPORT jboolean JNICALL Java_ExampleFuzzerNative_parse(
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JNIEnv *env, jobject o, jstring bytes) {
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const char *input(env->GetStringUTFChars(bytes, nullptr));
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parseInternal(input);
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env->ReleaseStringUTFChars(bytes, input);
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return false;
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}
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