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-rw-r--r--lib/fuzzing/fuzz_lzxpress_round_trip.c53
1 files changed, 53 insertions, 0 deletions
diff --git a/lib/fuzzing/fuzz_lzxpress_round_trip.c b/lib/fuzzing/fuzz_lzxpress_round_trip.c
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+++ b/lib/fuzzing/fuzz_lzxpress_round_trip.c
@@ -0,0 +1,53 @@
+/*
+ Fuzzing for lzxpress_decompress
+ Copyright (C) Michael Hanselmann 2019
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "includes.h"
+#include "fuzzing/fuzzing.h"
+#include "lzxpress.h"
+
+int LLVMFuzzerInitialize(int *argc, char ***argv)
+{
+ return 0;
+}
+
+int LLVMFuzzerTestOneInput(uint8_t *buf, size_t len)
+{
+ static uint8_t compressed[1024 * 1024] = {0};
+ static uint8_t decompressed[1024 * 1024] = {0};
+ ssize_t compressed_size;
+ ssize_t decompressed_size;
+
+ if (len > sizeof(decompressed)) {
+ return 0;
+ }
+
+ compressed_size = lzxpress_compress(buf, len,
+ compressed, sizeof(compressed));
+
+ decompressed_size = lzxpress_decompress(compressed, compressed_size,
+ decompressed, sizeof(decompressed));
+
+ if (decompressed_size != len) {
+ abort();
+ }
+ if (memcmp(buf, decompressed, len) != 0) {
+ abort();
+ }
+
+ return 0;
+}