kimageformats:kimgio_xcf_fuzzer: Use-of-uninitialized-value in comp_func_SourceOver_rgb64_avx2

2019-09-27T12:41:28
ID OSSFUZZ-17765
Type ossfuzz
Reporter Google
Modified 2019-12-23T16:40:53

Description

Project: git://anongit.kde.org/kimageformats

Detailed Report: https://oss-fuzz.com/testcase?key=5094974739185664

Project: kimageformats Fuzzing Engine: libFuzzer Fuzz Target: kimgio_xcf_fuzzer Job Type: libfuzzer_msan_kimageformats Platform Id: linux

Crash Type: Use-of-uninitialized-value Crash Address: Crash State: comp_func_SourceOver_rgb64_avx2 blend_untransformed_generic_rgb64 fillRect_normalized

Sanitizer: memory (MSAN)

Recommended Security Severity: Medium

Regressed: https://oss-fuzz.com/revisions?job=libfuzzer_msan_kimageformats&range=201909250220:201909270224

Reproducer Testcase: https://oss-fuzz.com/download?testcase_id=5094974739185664

Issue filed automatically.

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This bug is subject to a 90 day disclosure deadline. If 90 days elapse without an upstream patch, then the bug report will automatically become visible to the public.