graphicsmagick/coder_XCF_fuzzer: Use-of-uninitialized-value in AlphaCompositePixel

2018-03-01T09:31:19
ID OSSFUZZ-6631
Type ossfuzz
Reporter Google
Modified 2018-05-01T15:20:54

Description

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

Detailed report: https://oss-fuzz.com/testcase?key=5069895264894976

Project: graphicsmagick Fuzzer: libFuzzer_graphicsmagick_coder_XCF_fuzzer Fuzz target binary: coder_XCF_fuzzer Job Type: libfuzzer_msan_graphicsmagick Platform Id: linux

Crash Type: Use-of-uninitialized-value Crash Address: Crash State: AlphaCompositePixel OverCompositePixels PixelIterateDualImplementation

Sanitizer: memory (MSAN)

Recommended Security Severity: Medium

Reproducer Testcase: https://oss-fuzz.com/download?testcase_id=5069895264894976

Issue filed automatically.

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

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