analysis: fix a bug if a source file does not exist (#1391)

Signed-off-by: David Korczynski <david@adalogics.com>

src/fuzz_introspector/analysis.py

@@ -354,6 +354,9 @@ def dump_debug_files(self):
             os.mkdir(constants.SAVED_SOURCE_FOLDER)
 
         for file_elem in report_dict['all_files_in_project']:
+            if not os.path.isfile(file_elem['source_file']):
+                logger.info("No such file: %s" % (file_elem['source_file']))
+                continue
             dst = constants.SAVED_SOURCE_FOLDER + '/' + file_elem['source_file']
             os.makedirs(os.path.dirname(dst), exist_ok=True)
             shutil.copy(file_elem['source_file'], dst)