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skia/android_codec: Use-of-uninitialized-value in swizzle_index_to_n32

Description

Project: https://skia.googlesource.com/skia.git Detailed report: https://oss-fuzz.com/testcase?key=5767443453050880 Project: skia Fuzzer: libFuzzer_skia_android_codec Fuzz target binary: android_codec Job Type: libfuzzer_msan_skia Platform Id: linux Crash Type: Use-of-uninitialized-value Crash Address: Crash State: swizzle_index_to_n32 SkSwizzler::swizzle SkGifCodec::haveDecodedRow Sanitizer: memory (MSAN) Recommended Security Severity: Medium Regressed: https://oss-fuzz.com/revisions?job=libfuzzer_msan_skia&range=201810170304:201810180255 Reproducer Testcase: https://oss-fuzz.com/download?testcase_id=5767443453050880 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