1 files changed, 38 insertions, 0 deletions
diff --git a/libs/zip/fuzz/fuzz_entry.c b/libs/zip/fuzz/fuzz_entry.c
new file mode 100644
index 0000000..c2c5f0c
--- /dev/null
+++ b/libs/zip/fuzz/fuzz_entry.c
@@ -0,0 +1,38 @@
+#include "zip.h"
+#include <stdint.h>
+#include <stdlib.h>
+
+int LLVMFuzzerTestOneInput(const uint8_t *data, const size_t size) {
+  /* Discard inputs larger than 1MB. */
+  static const size_t MaxSize = 1024 * 1024;
+  if (size < 1 || size > MaxSize) {
+    return 0;
+  }
+
+  void *buf = NULL;
+  size_t bufsize = 0;
+  struct zip_t *zip = zip_stream_open((const char *)data, size, 0, 'r');
+  if (NULL == zip) {
+    goto end;
+  }
+
+  const ssize_t zip_entries_count = zip_entries_total(zip);
+
+  if (zip_entries_count <= 0) {
+    goto end;
+  }
+
+  if (0 != zip_entry_openbyindex(zip, 0)) {
+    goto end;
+  }
+
+  zip_entry_read(zip, &buf, &bufsize);
+
+end:
+  zip_entry_close(zip);
+  if (NULL != zip) {
+    zip_close(zip);
+  }
+  free(buf);
+  return 0;
+}