skia/image_filter_deserialize: Heap-buffer-overflow in SkMatrix* SkRecorder::copy<SkMatrix>

2019-03-16T00:05:00
ID OSSFUZZ-13750
Type ossfuzz
Reporter Google
Modified 2019-04-15T15:25:07

Description

Project: https://skia.googlesource.com/skia.git

Detailed report: https://oss-fuzz.com/testcase?key=5194344992079872

Project: skia Fuzzer: libFuzzer_skia_image_filter_deserialize Fuzz target binary: image_filter_deserialize Job Type: libfuzzer_asan_skia Platform Id: linux

Crash Type: Heap-buffer-overflow READ {} Crash Address: 0x612000000a80 Crash State: SkMatrix SkRecorder::copy<SkMatrix> SkRecorder::onDrawEdgeAAImageSet SkCanvas::experimental_DrawEdgeAAImageSet

Sanitizer: address (ASAN)

Recommended Security Severity: Medium

Regressed: https://oss-fuzz.com/revisions?job=libfuzzer_asan_skia&range=201903140154:201903150153

Reproducer Testcase: https://oss-fuzz.com/download?testcase_id=5194344992079872

Issue filed automatically.

See https://skia.org/dev/testing/fuzz for instructions to reproduce this bug locally.

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