graphicsmagick/coder_PCT_fuzzer: Unknown signal in UnlockSemaphoreInfo

Project: http://hg.code.sf.net/p/graphicsmagick/code Detailed report: https://oss-fuzz.com/testcase?key=5525766369443840 Project: graphicsmagick Fuzzer: libFuzzergraphicsmagickcoderPCTfuzzer Fuzz target binary: coderPCTfuzzer Job Type: libfuzzerubsangraphicsmagick Platform Id: linux Crash Type:...