QSGRhiTextureGlyphCache::createEmptyTexture() nullptr access crash

 

 

 

 
when function QRhi::nextResourceUpdateBatch()'s  d->resUpdPool.count() resized to 64, it will not resize anymore,  if QSGRhiTextureGlyphCache::createEmptyTexture()'s m_resourceUpdates call QRhi::nextResourceUpdateBatch() to assign it,  will to be assgin nullptr,  but not judge nullptr,  continue run touching nullptr access crash