OSV-2018-79 Use-of-uninitialized-value in g_dbus_message_new_from_blob

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=9825 Crash type: Use-of-uninitialized-value Crash state: gdbusmessagenewfromblob fuzzdbusmessage.c gdbusmessagenewfromblob...