AuroraMiddleware/qt5base-lts
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Limit pen width to maximal 32767

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Fixes oss-fuzz 25195

Pick-to: 5.12 5.15 6.0
Change-Id: I8c68cf71f6702d8b1b1a2ddda3284c14f02d7972
Reviewed-by: Eirik Aavitsland <eirik.aavitsland@qt.io>
This commit is contained in:
Allan Sandfeld Jensen 2020-11-24 09:32:55 +01:00
parent efa05e0417
commit c7a335817e
1 changed files with 7 additions and 4 deletions
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11
src/gui/painting/qpen.cpp
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@ -653,12 +653,15 @@ qreal QPen::widthF() const
*/
void QPen::setWidth(int width)
{
if (width < 0)
qWarning("QPen::setWidth: Setting a pen width with a negative value is not defined");
if (width < 0 || width >= (1 << 15)) {
qWarning("QPen::setWidth: Setting a pen width that is out of range");
return;
}
if ((qreal)width == d->width)
return;
detach();
d->width = width;
d->defaultWidth = false;
}
/*!
@ -677,8 +680,8 @@ void QPen::setWidth(int width)
void QPen::setWidthF(qreal width)
{
if (width < 0.f) {
qWarning("QPen::setWidthF: Setting a pen width with a negative value is not defined");
if (width < 0.f || width >= (1 << 15)) {
qWarning("QPen::setWidthF: Setting a pen width that is out of range");
return;
}
if (qAbs(d->width - width) < 0.00000001f)