OSV-2020-941 Heap-buffer-overflow in gc_mark_string

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=19780 Crash type: Heap-buffer-overflow READ 4 Crash state: gcmarkstring gctrace gsgcreclaim...

libspectre:spectre_read_fuzzer: Heap-buffer-overflow in gc_mark_string

Project: https://gitlab.freedesktop.org/libspectre/libspectre.git Detailed Report: https://oss-fuzz.com/testcase?key=5703675452588032 Project: libspectre Fuzzing Engine: libFuzzer Fuzz Target: spectrereadfuzzer Job Type: libfuzzerasanlibspectre Platform Id: linux Crash Type: Heap-buffer-overflow...