Details
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Bug
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Resolution: Fixed
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P1: Critical
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6.5.0
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None
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Windows
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Windows
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7d663d2e0 (dev), d599451e2 (6.6), 0888056c3 (6.5)
Description
Hi,
We encounter a crash when one of our application closes.
Reason for that is a WM_DISPLAYCHANGE message being handled, leading to the qDisplayChangeObserverWndProc() being called. This callback calls the following code:
QWindowsContext::instance()->screenManager().handleScreenChanges();
However, at the point it's called, QWindowsContext::instance() has been set to null, and that call crashes.
Below a screenshot of the callstack:
Attachments
| For Gerrit Dashboard: QTBUG-117473 | ||||||
|---|---|---|---|---|---|---|
| # | Subject | Branch | Project | Status | CR | V |
| 506575,2 | Guard QWindowsContext::instance() during screen change on shutdown | dev | qt/qtbase | Status: MERGED | +2 | 0 |
| 510488,2 | Guard QWindowsContext::instance() during screen change on shutdown | 6.6 | qt/qtbase | Status: MERGED | +2 | 0 |
| 510575,2 | Guard QWindowsContext::instance() during screen change on shutdown | 6.5 | qt/qtbase | Status: MERGED | +2 | 0 |