From 721e63727f38b9c7664a173ab475d7c7a58cd8a8 Mon Sep 17 00:00:00 2001
From: Adrienne Walker <enne@chromium.org>
Date: Mon, 25 Jun 2018 10:25:42 -0700
Subject: Validate transformed SkPaintImageFilter rects

These can be transformed into invalid rects, so don't try to draw them.

Bug: chromium: 852048
Change-Id: I95a8b86557e550453efb0896f6d559a843f47d2a
Reviewed-on: https://skia-review.googlesource.com/135924
Commit-Queue: Adrienne Walker <enne@chromium.org>
Reviewed-by: Mike Klein <mtklein@google.com>
---
 src/effects/imagefilters/SkPaintImageFilter.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'src/effects')

diff --git a/src/effects/imagefilters/SkPaintImageFilter.cpp b/src/effects/imagefilters/SkPaintImageFilter.cpp
index c0be41fdb9..69bbdf9d25 100644
--- a/src/effects/imagefilters/SkPaintImageFilter.cpp
+++ b/src/effects/imagefilters/SkPaintImageFilter.cpp
@@ -63,7 +63,9 @@ sk_sp<SkSpecialImage> SkPaintImageFilter::onFilterImage(SkSpecialImage* source,
         inverse.mapRect(&rect);
     }
     canvas->setMatrix(matrix);
-    canvas->drawRect(rect, fPaint);
+    if (rect.isFinite()) {
+        canvas->drawRect(rect, fPaint);
+    }
 
     offset->fX = bounds.fLeft;
     offset->fY = bounds.fTop;
-- 
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