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Review request for KDE Frameworks, David Edmundson and Elvis Angelaccio. Repository: kwidgetsaddons Description ------- We are using KCollapsibleGroupBox in Ark and stumbled upon a segfault in an autotest involving this widget (see backtrace [https://paste.kde.org/pwcohd64z](here)). It looks like QTimeLine::stop() gets called after KCollapsibleGroupBox is deleted. This causes QTimeLine::stateChanged to get emitted which then calls KCollapsibleGroupBox::updateChildrenVisibility() that causes the crash. To see the crash, clone the newAddDialog branch of Ark and run the autotests. This diff calls QTimeLine::stop() in the KCollapsibleGroupBox dtor if it is running, before deleting the d pointer. Diffs ----- src/kcollapsiblegroupbox.cpp 0c3f866 Diff: https://git.reviewboard.kde.org/r/128406/diff/ Testing ------- The autotests in newAddDialog branch of Ark pass with this diff. Thanks, Ragnar Thomsen
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