1 files changed, 33 insertions, 0 deletions
diff --git a/csmith-fuzzing/driver.py b/csmith-fuzzing/driver.py
new file mode 100644
index 00000000..ee42203d
--- /dev/null
+++ b/csmith-fuzzing/driver.py
@@ -0,0 +1,33 @@
+from subprocess import run, DEVNULL, PIPE
+
+csmith_command = [
+        "csmith",
+        "--no-checksum",
+        "--nomain",
+        "--max-block-size", "1",
+        "--max-block-depth", "1",
+        "--output", "generated.h"]
+
+bindgen_command = ["bindgen", "generated.h"]
+
+if __name__ == "__main__":
+    print("Bindgen fuzzing with csmith.")
+    print(
+        "This script will write to generated.h, bindgen_stdout, bindgen_stderr and platform.info . "
+        "These files can be deleted after running.")
+
+    iterations = 0
+    while True:
+        print("\rIteration: {}".format(iterations), end="", flush=True)
+
+        run(csmith_command, stdin=DEVNULL, stdout=DEVNULL, stderr=DEVNULL)
+        with open("bindgen_stdout", "wb") as stdout, open("bindgen_stdout", "wb") as stderr:
+            result = run(bindgen_command, stdin=DEVNULL, stdout=stdout, stderr=stderr)
+            if result.returncode != 0:
+                print()
+                print(
+                    "Error: bindgen existed with non zero exit code {} when ran on generated.h . "
+                    "You can find its output in bindgen_stoud and bindgen_stderr."
+                    .format(result.returncode))
+                exit()
+        iterations += 1