Project: https://skia.googlesource.com/skia.git Detailed report: https://oss-fuzz.com/testcase?key=5768819205734400 Project: skia Fuzzer: libFuzzer_skia_api_raster_n32_canvas Fuzz target binary: api_raster_n32_canvas Job Type: libfuzzer_msan_skia Platform Id: linux Crash Type: UNKNOWN WRITE Crash Address: 0x7fff9a307b28 Crash State: void add_coverage_delta_segment<false, SkCoverageDeltaList> SkScan::DAAFillPath SkScan::AntiFillPath Sanitizer: memory (MSAN) Recommended Security Severity: High Regressed: https://oss-fuzz.com/revisions?job=libfuzzer_msan_skia&range=201809130306:201809140315 Reproducer Testcase: https://oss-fuzz.com/download?testcase_id=5768819205734400 Issue filed automatically. See https://skia.org/dev/testing/fuzz for more information. 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. When you fix this bug, please * mention the fix revision(s). * state whether the bug was a short-lived regression or an old bug in any stable releases. * add any other useful information. This information can help downstream consumers. If you need to contact the OSS-Fuzz team with a question, concern, or any other feedback, please file an issue at https://github.com/google/oss-fuzz/issues.