OSV-2021-664 Heap-use-after-free in module_check_cast

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=33444 Crash type: Heap-use-after-free READ 4 Crash state: modulecheckcast serverconnectunref serverunref...

irssi:server-fuzz: Heap-use-after-free in module_check_cast

Project: https://github.com/irssi/irssi.git Detailed Report: https://oss-fuzz.com/testcase?key=4927798956392448 Project: irssi Fuzzing Engine: libFuzzer Fuzz Target: server-fuzz Job Type: libfuzzerasanirssi Platform Id: linux Crash Type: Heap-use-after-free READ 4 Crash Address: 0x612000000dc0...