diff --git a/test-libfuzzer-target.c b/test-libfuzzer-target.c new file mode 100644 index 0000000..3d950da --- /dev/null +++ b/test-libfuzzer-target.c @@ -0,0 +1,41 @@ +/* + Copyright 2019 Google LLC All rights reserved. + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at: + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. +*/ + + +/* + american fuzzy lop - a trivial program to test libFuzzer target fuzzing. + ------------------------------------------------------------------------ + + Initially written and maintained by Michal Zalewski. +*/ + +#include +#include +#include + +// TODO(metzman): Create a test/ directory to store this and other similar +// files. +int LLVMFuzzerTestOneInput(uint8_t* buf, size_t size) { + if (size < 2) + return 0; + + if (buf[0] == '0') + printf("Looks like a zero to me!\n"); + else + printf("A non-zero value? How quaint!\n"); + + return 0; +}