mapserver:shapefuzzer: Use-of-uninitialized-value in msSHPReadShape

Detailed Report: https://oss-fuzz.com/testcase?key=5742512001646592 Project: mapserver Fuzzing Engine: libFuzzer Fuzz Target: shapefuzzer Job Type: libfuzzermsanmapserver Platform Id: linux Crash Type: Use-of-uninitialized-value Crash Address: Crash State: msSHPReadShape shapefuzzer.c Sanitizer:...