tests/fuzz/options: check input length

Don't crash on empty inputs. Fixes: https://code.videolan.org/videolan/libplacebo/-/issues/326
haasn · Jul 29, 2024 · b8ea4da · b8ea4da
1 parent 3a8d051
commit b8ea4da
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/src/tests/fuzz/options.c b/src/tests/fuzz/options.c
@@ -18,6 +18,9 @@ int main()
 
     while (__AFL_LOOP(100000)) {
         size_t len = __AFL_FUZZ_TESTCASE_LEN;
+        if (!len)
+            continue;
+
         buf[len - 1] = '\0'; // ensure proper null termination
         pl_options_load(opts, (const char *) buf);
         pl_options_save(opts);