graphicsmagick/coder_MAT_fuzzer: Use-of-uninitialized-value in IsGrayImage

2018-04-17T08:49:30
ID OSSFUZZ-7736
Type ossfuzz
Reporter Google
Modified 2018-08-15T07:27:30

Description

Project: http://hg.code.sf.net/p/graphicsmagick/code

Detailed report: https://oss-fuzz.com/testcase?key=5321278484381696

Project: graphicsmagick Fuzzer: libFuzzer_graphicsmagick_coder_MAT_fuzzer Fuzz target binary: coder_MAT_fuzzer Job Type: libfuzzer_msan_graphicsmagick Platform Id: linux

Crash Type: Use-of-uninitialized-value Crash Address: Crash State: IsGrayImage WriteMATLABImage WriteImage

Sanitizer: memory (MSAN)

Recommended Security Severity: Medium

Regressed: https://oss-fuzz.com/revisions?job=libfuzzer_msan_graphicsmagick&range=201803200540:201803210536

Reproducer Testcase: https://oss-fuzz.com/download?testcase_id=5321278484381696

Issue filed automatically.

See https://github.com/google/oss-fuzz/blob/master/docs/reproducing.md for more information.

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