systemd/fuzz-journal-remote: Use-of-uninitialized-value in ascii_is_valid

Project: https://github.com/systemd/systemd.git Detailed report: https://oss-fuzz.com/testcase?key=5661112182767616 Project: systemd Fuzzer: libFuzzersystemdfuzz-journal-remote Fuzz target binary: fuzz-journal-remote Job Type: libfuzzermsansystemd Platform Id: linux Crash Type:...