check for crazy bounds from fuzzer
Bug: skia:7471
Change-Id: I1d6e2059a0c4f2b705d3b0fe2694f17b68c3ae5c
Reviewed-on: https://skia-review.googlesource.com/97122
Reviewed-by: Kevin Lubick <kjlubick@google.com>
Commit-Queue: Mike Reed <reed@google.com>
diff --git a/src/core/SkCanvas.cpp b/src/core/SkCanvas.cpp
index 2429f56..0f079aa 100644
--- a/src/core/SkCanvas.cpp
+++ b/src/core/SkCanvas.cpp
@@ -953,6 +953,9 @@
if (imageFilter) {
clipBounds = imageFilter->filterBounds(clipBounds, ctm);
+ if (clipBounds.isEmpty()) {
+ return false;
+ }
if (bounds && !imageFilter->canComputeFastBounds()) {
bounds = nullptr;
}
@@ -1395,6 +1398,9 @@
//////////////////////////////////////////////////////////////////////////////
void SkCanvas::clipRect(const SkRect& rect, SkClipOp op, bool doAA) {
+ if (!rect.isFinite()) {
+ return;
+ }
this->checkForDeferredSave();
ClipEdgeStyle edgeStyle = doAA ? kSoft_ClipEdgeStyle : kHard_ClipEdgeStyle;
this->onClipRect(rect, op, edgeStyle);