OSV-2023-309 UNKNOWN READ in fmemopen_unlocked

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=57936 Crash type: UNKNOWN READ Crash state: fmemopenunlocked fuzz.h centipede::RunOneInput...

systemd:fuzz-hostname-setup: Crash in fmemopen_unlocked

Detailed Report: https://oss-fuzz.com/testcase?key=6557557652324352 Project: systemd Fuzzing Engine: centipede Fuzz Target: fuzz-hostname-setup Job Type: centipedeasansystemd Platform Id: linux Crash Type: UNKNOWN READ Crash Address: 0x1c5f01dd8d6f Crash State: fmemopenunlocked fuzz.h...