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[d3d9] Validate pBox dimensions with LockBox

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WinterSnowfall 2024-10-13 21:52:08 +03:00 committed by Philip Rebohle
parent a0d48cd2a2
commit 7ffe77f7c4
1 changed files with 14 additions and 0 deletions
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14
src/d3d9/d3d9_volume.cpp
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@ -104,6 +104,20 @@ namespace dxvk {
pLockedBox->SlicePitch = 0; pLockedBox->SlicePitch = 0;
} }
if (unlikely(pBox != nullptr)) {
auto& desc = *(m_texture->Desc());
// Negative or zero length dimensions
if ( static_cast<LONG>(pBox->Right) - static_cast<LONG>(pBox->Left) <= 0
|| static_cast<LONG>(pBox->Bottom) - static_cast<LONG>(pBox->Top) <= 0
|| static_cast<LONG>(pBox->Back) - static_cast<LONG>(pBox->Front) <= 0
// Exceeding surface dimensions
|| pBox->Right > desc.Width
|| pBox->Bottom > desc.Height
|| pBox->Back > desc.Depth)
return D3DERR_INVALIDCALL;
}
D3DLOCKED_BOX lockedBox; D3DLOCKED_BOX lockedBox;
HRESULT hr = m_parent->LockImage( HRESULT hr = m_parent->LockImage(