Ceph » rgw

When rgw_s3_auth_use_keystone is enabled in the log file, radosgw will try most authenticatoins against keystone. If these authentications fail, if debugging is turned on, an error message like this is produced:

2022-08-09T21:29:26.854-0400 7fbe72d85640 2 req 16539168955438517291 0.542001069s s3:put_obj s3 keystone: token validation ERROR: {"error": {"message": "Could not find credential: f15c16b99f82d8201767d3a841ff40849c8a1b812ffbfd2e393d2b6aa6682a6e.", "code": 404, "title": "Not Found"}}": "Not Found"}}����=ٕ�LjZ�e��Wed, 10 Aug 2022 01:29:26 GMT

The pat after "}}" that looks like binary junk is core garbage, in this case probably including part of a previous log message. This happens because the buffer logic "c_str" does not return a nul terminated C string, and it's necessary to use ".length" find the actual length.