1 files changed, 85 insertions, 0 deletions
diff --git a/fluent-bit/tests/internal/fuzzers/local_test.c b/fluent-bit/tests/internal/fuzzers/local_test.c
new file mode 100644
index 00000000..309f66b7
--- /dev/null
+++ b/fluent-bit/tests/internal/fuzzers/local_test.c
@@ -0,0 +1,85 @@
+/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+
+/*  Fluent Bit
+ *  ==========
+ *  Copyright (C) 2019-2020 The Fluent Bit Authors
+ *  Copyright (C) 2015-2018 Treasure Data Inc.
+ *
+ *  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.
+ */
+
+#include <fluent-bit/flb_info.h>
+#include <fluent-bit/flb_log.h>
+#include <fluent-bit/flb_mem.h>
+#include <monkey/mk_core.h>
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <errno.h>
+
+/* declare external function test */
+int LLVMFuzzerTestOneInput(unsigned char *data, size_t size);
+
+int main(int argc, char **argv)
+{
+    int i;
+    int ret;
+    FILE *fp;
+    char *buffer;
+    long bytes;
+    struct stat st;
+
+    if (argc < 2) {
+        flb_error("usage: %s TESTCASE_FILE", argv[0]);
+        exit(EXIT_FAILURE);
+    }
+
+    /* Validate the file */
+    ret = stat(argv[1], &st);
+    if (ret == -1) {
+        flb_errno();
+        flb_error("cannot stat(2) testcase file '%s'", argv[1]);
+        exit(EXIT_FAILURE);
+    }
+
+    if (!(fp = fopen(argv[1], "rb"))) {
+        flb_errno();
+        flb_error("cannot fopen(2) testcase file '%s'", argv[1]);
+        return -1;
+    }
+
+    buffer = flb_malloc(st.st_size);
+    if (!buffer) {
+        flb_errno();
+        return -1;
+    }
+
+    bytes = fread(buffer, st.st_size, 1, fp);
+    if (bytes < 1) {
+        fclose(fp);
+        flb_free(buffer);
+        return -1;
+    }
+    fclose(fp);
+
+    /* Invoke the fuzzer entry-point function */
+    for (i = 0; i < 100; i++) {
+        ret = LLVMFuzzerTestOneInput((unsigned char *) buffer, st.st_size);
+    }
+    flb_free(buffer);
+    return 0;
+}