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authorVolker Hilsheimer <volker.hilsheimer@qt.io>2020-03-11 19:15:10 +0100
committerVolker Hilsheimer <volker.hilsheimer@qt.io>2020-03-17 06:15:55 +0100
commitffbf5ae11d8df95ec2bb0ed7c3c32be9a45eac0c (patch)
tree11ab30f9ab52e9c2e98a76b8883eafb5f3ebc804 /src/corelib
parentddd0919bcf5bb630efce755cc21f364e36e23fca (diff)
Fix potential out-of-bounds or nullptr access
This ammends change baed8534bc1dac36a9d0ef4240fc14398076a192, which might have introduced a hard to reproduce segmentation fault when the screen number is out of bounds, or when the QScreen object doesn't return a valid pointer for QScreen::handle. As the issue doesn't reliably reproduce, this is a speculative fix that adds bounds and nullptr checking. Change-Id: I0cec0a344e80159ee1723d840f207267a608cef4 Fixes: QTBUG-82807 Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@qt.io> Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>
Diffstat (limited to 'src/corelib')
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