graphicsmagick/coder_SGI_fuzzer: Use-of-uninitialized-value in SGIEncode

Project: http://hg.code.sf.net/p/graphicsmagick/code Detailed report: https://oss-fuzz.com/testcase?key=5074664566030336 Project: graphicsmagick Fuzzer: libFuzzergraphicsmagickcoderSGIfuzzer Fuzz target binary: coderSGIfuzzer Job Type: libfuzzermsangraphicsmagick Platform Id: linux Crash Type:...