skia:api_raster_n32_canvas: Use-of-uninitialized-value in float const& std::__1::min<float, std::__1::__less<float, float> >

2020-02-08T08:25:30
ID OSSFUZZ-20581
Type ossfuzz
Reporter Google
Modified 2020-03-15T19:00:57

Description

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

Detailed Report: https://oss-fuzz.com/testcase?key=5136613510479872

Project: skia Fuzzing Engine: libFuzzer Fuzz Target: api_raster_n32_canvas Job Type: libfuzzer_msan_skia Platform Id: linux

Crash Type: Use-of-uninitialized-value Crash Address: Crash State: float const& std::__1::min<float, std::__1::__less<float, float> > SkRect::set SkLineClipper::IntersectLine

Sanitizer: memory (MSAN)

Recommended Security Severity: Medium

Regressed: https://oss-fuzz.com/revisions?job=libfuzzer_msan_skia&range=202002060237:202002061831

Reproducer Testcase: https://oss-fuzz.com/download?testcase_id=5136613510479872

Issue filed automatically.

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

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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.