Details
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Bug
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Resolution: Incomplete
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Not Evaluated
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None
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5.15.2
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None
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windows 10 21H1
Qt 5.15.2 msvc2019_64
Description
QOpenGLWidget render crash in QOpenGLMultiGroupSharedResource.cpp
template <typename T> T *value(QOpenGLContext *context) { QOpenGLContextGroup *group = context->shareGroup(); // Have to use our own mutex here, not the group's, since // m_groups has to be protected too against any concurrent access. QMutexLocker locker(&m_mutex); T *resource = static_cast<T *>(group->d_func()->m_resources.value(this, 0)); if (!resource) { resource = new T(context); insert(context, resource); } return resource; }
the group is NULL
here is call stack