From d17dc6af5262cdf5ea93457f874225af59b860a1 Mon Sep 17 00:00:00 2001 From: hamzeh Date: Wed, 25 Sep 2019 11:00:31 -0700 Subject: Add fuzzer for libsparse Bug: 141129284 Test: SANITIZE_TARGET="hwaddress fuzzer' make libsparse_fuzzer Change-Id: I54e19d399f7ea29a45734f1ddc520ceec56add09 --- libsparse/sparse_fuzzer.cpp | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) create mode 100644 libsparse/sparse_fuzzer.cpp (limited to 'libsparse/sparse_fuzzer.cpp') diff --git a/libsparse/sparse_fuzzer.cpp b/libsparse/sparse_fuzzer.cpp new file mode 100644 index 000000000..42f331fc3 --- /dev/null +++ b/libsparse/sparse_fuzzer.cpp @@ -0,0 +1,16 @@ +#include "include/sparse/sparse.h" + +extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) { + if (size < 2 * sizeof(wchar_t)) return 0; + + int64_t blocksize = 4096; + struct sparse_file* file = sparse_file_new(size, blocksize); + if (!file) { + return 0; + } + + unsigned int block = 1; + sparse_file_add_data(file, &data, size, block); + sparse_file_destroy(file); + return 0; +} -- cgit v1.2.3