OSV-2020-889 Use-of-uninitialized-value in RGBTOHLS

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=22740 Crash type: Use-of-uninitialized-value Crash state: RGBTOHLS XCFImageFormat::mergeRGBToRGB XCFImageFormat::mergeLayerIntoImage...

kimageformats:kimgio_xcf_fuzzer: Use-of-uninitialized-value in RGBTOHLS

Detailed Report: https://oss-fuzz.com/testcase?key=5918121289580544 Project: kimageformats Fuzzing Engine: libFuzzer Fuzz Target: kimgioxcffuzzer Job Type: libfuzzermsankimageformats Platform Id: linux Crash Type: Use-of-uninitialized-value Crash Address: Crash State: RGBTOHLS...