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| author | Tom Sepez <tsepez@chromium.org> | 2015-05-18 14:18:08 -0700 |
|---|---|---|
| committer | Tom Sepez <tsepez@chromium.org> | 2015-05-18 14:18:08 -0700 |
| commit | 31b3a2b31a50f83ed100e01485013fd871399f45 (patch) | |
| tree | aeece5130880a698b56eec044d73925e7e5ae7f3 /core/src/fxge/skia | |
| parent | a88e3a16ae711f6523ad3a40a08d774b72adc9eb (diff) | |
| download | pdfium-31b3a2b31a50f83ed100e01485013fd871399f45.tar.xz | |
Add safe FX_Alloc2D() macro
This avoids unchecked multiplications when computing a size argument
to malloc(). Such an overflow is very scary, and can result in
exploitable bugs.
Along the way, kill off some return checks, since we know this can't
return NULL.
R=thestig@chromium.org
Review URL: https://codereview.chromium.org/1143663004
Diffstat (limited to 'core/src/fxge/skia')
| -rw-r--r-- | core/src/fxge/skia/fx_skia_device.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/core/src/fxge/skia/fx_skia_device.cpp b/core/src/fxge/skia/fx_skia_device.cpp index cc4059dd1d..a483eca5ca 100644 --- a/core/src/fxge/skia/fx_skia_device.cpp +++ b/core/src/fxge/skia/fx_skia_device.cpp @@ -210,7 +210,7 @@ static void SkRasterizeStroke(SkPaint& spaint, SkPath* dstPathData, SkPath& path dstPathData->transform(smatrix); } else { int count = (pGraphState->m_DashCount+1)/2; - SkScalar* intervals = FX_Alloc(SkScalar, count* sizeof (SkScalar)); + SkScalar* intervals = FX_Alloc2D(SkScalar, count, sizeof(SkScalar)); // Set dash pattern for (int i = 0; i < count; i ++) { FX_FIXFLOAT on = pGraphState->m_DashArray[i*2]; |