添加空值检查

Author: joyguoguo

fuzz/build_oss_fuzz.py

@@ -62,8 +62,11 @@ def run_command(
             errors="replace"
         )
         with open(log_file, "a", encoding="utf-8") as f:
-            for line in iter(process.stdout.readline, ""):
-                f.write(line)
+            if process.stdout is not None:
+                for line in iter(process.stdout.readline, ""):
+                    f.write(line)
+            else:
+                log_and_print("⚠️ Warning: process.stdout is None", log_file)
         process.wait()
         exit_code = process.returncode
         if exit_code in [0, *allowed_exit_codes]: