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detect non-finite pts

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Bug: oss-fuzz:6638
Change-Id: I72dab6783099facbe8d658ec1bc4b175a383e174
Reviewed-on: https://skia-review.googlesource.com/114565
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Mike Reed <reed@google.com>
This commit is contained in:
Mike Reed 2018-03-15 14:33:39 -04:00 committed by Skia Commit-Bot
parent f6148b6d23
commit e11d793294
1 changed files with 3 additions and 0 deletions
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3
src/core/SkDraw.cpp
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@ -511,6 +511,9 @@ void SkDraw::drawPoints(SkCanvas::PointMode mode, size_t count,
n = MAX_DEV_PTS; n = MAX_DEV_PTS;
} }
matrix->mapPoints(devPts, pts, n); matrix->mapPoints(devPts, pts, n);
if (!SkScalarsAreFinite(&devPts[0].fX, n * 2)) {
return;
}
proc(rec, devPts, n, bltr); proc(rec, devPts, n, bltr);
pts += n - backup; pts += n - backup;
SkASSERT(SkToInt(count) >= n); SkASSERT(SkToInt(count) >= n);