OSV-2023-299 UNKNOWN READ in log_set_max_level

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=57912 Crash type: UNKNOWN READ Crash state: logsetmaxlevel fuzz-journal-remote.c centipede::RunOneInput...

systemd:fuzz-journal-remote: Crash in log_set_max_level

Detailed Report: https://oss-fuzz.com/testcase?key=4601988397793280 Project: systemd Fuzzing Engine: centipede Fuzz Target: fuzz-journal-remote Job Type: centipedeasansystemd Platform Id: linux Crash Type: UNKNOWN READ Crash Address: 0x1dbd8d0ab0f1 Crash State: logsetmaxlevel fuzz-journal-remote....