skia/region_set_path: Heap-buffer-overflow in SkRgnBuilder::blitH


Project: https://skia.googlesource.com/skia.git Detailed report: https://oss-fuzz.com/testcase?key=5727543865376768 Project: skia Fuzzer: afl_skia_region_set_path Fuzz target binary: region_set_path Job Type: afl_asan_skia Platform Id: linux Crash Type: Heap-buffer-overflow WRITE 4 Crash Address: 0x62f00000c3f4 Crash State: SkRgnBuilder::blitH SkBlitter::blitRect walk_convex_edges Sanitizer: address (ASAN) Recommended Security Severity: High Regressed: https://oss-fuzz.com/revisions?job=afl_asan_skia&range=201809120304:201809130306 Reproducer Testcase: https://oss-fuzz.com/download?testcase_id=5727543865376768 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.

Affected Software

CPE Name Name Version
skia unknown