Crash when adding new pointcloud layer from .las

[rkolka]

Describe the bug

QGIS craches when adding new pointcloud layer from .las file.

Some time ago (probably 3.18.2) it worked and the ept.json file that was created then is read still normally.

How to Reproduce

Add new pointcloud layer from .las

1. Go to Layer - Add new pointcloud layer -> select .las file as datasource

Report Details

Crash ID: 89120eda83e1d457fe68d7024318dfb0e9b4dbdb

Stack Trace

memcpy memcpy.asm:632
QgsPointCloudLayer::setDataSource :
QgsPointCloudLayer::QgsPointCloudLayer :
QgisApp::addPointCloudLayerPrivate :
QgisApp::addPointCloudLayer :
QObject::qt_static_metacall :
QgsDataSourceManagerDialog::addPointCloudLayer :
QObject::qt_static_metacall :
QgsAbstractDataSourceWidget::addPointCloudLayer :
QgsSourceSelectProvider::ordering :
QObject::qt_static_metacall :
QAbstractButton::clicked :
QAbstractButton::click :
QAbstractButton::mouseReleaseEvent :
QWidget::event :
QApplicationPrivate::notify_helper :
QApplication::notify :
QgsApplication::notify :
QCoreApplication::notifyInternal2 :
QApplicationPrivate::sendMouseEvent :
QSizePolicy::QSizePolicy :
QSizePolicy::QSizePolicy :
QApplicationPrivate::notify_helper :
QApplication::notify :
QgsApplication::notify :
QCoreApplication::notifyInternal2 :
QGuiApplicationPrivate::processMouseEvent :
QWindowSystemInterface::sendWindowSystemEvents :
QEventDispatcherWin32::processEvents :
qt_plugin_query_metadata :
QEventLoop::exec :
QCoreApplication::exec :
main :
BaseThreadInitThunk :
RtlUserThreadStart :

QGIS and OS versions

QGIS Info QGIS Version: 3.18.3-Z�rich QGIS code revision: 735cc85be9 Compiled against Qt: 5.15.2 Running against Qt: 5.15.2 Compiled against GDAL: 3.3.0 Running against GDAL: 3.3.0

System Info CPU Type: x86_64 Kernel Type: winnt Kernel Version: 10.0.19042

Additional context

[gioman]

@rkolka please attach/link the offending dataset.

[rkolka]

1-1-0-0.zip

[rkolka]

For smaller sample, I took one tile from ept-data. Opening 1-1-0-0.laz alone makes a crash. Opening entire ept dataset is normal.

[gioman]

Opening 1-1-0-0.laz alone makes a crash

@rkolka no crash on QGIS master on Ubuntu 20.04

[rkolka]

Nightly does not crash on my machine either: QGIS version 3.19.0-Master QGIS code revision bb0dfb6ba Qt version 5.15.2 Python version 3.9.5 GDAL/OGR version 3.3.0 PROJ version 8.0.1 EPSG Registry database version v10.018 (2021-04-02) GEOS version 3.9.1-CAPI-1.14.2 SQLite version 3.35.2 PDAL version 2.3.0 PostgreSQL client version 13.0 SpatiaLite version 5.0.1 QWT version 6.1.3 QScintilla2 version 2.11.5 OS version Windows 10 Version 2009

Active Python plugins LAStools minimum_spanning_tree db_manager MetaSearch processing

[github-actions[bot]]

The QGIS project highly values your report and would love to see it addressed. However, this issue has been left in feedback mode for the last 14 days and is being automatically marked as "stale". If you would like to continue with this issue, please provide any missing information or answer any open questions. If you could resolve the issue yourself meanwhile, please leave a note for future readers with the same problem and close the issue. In case you should have any uncertainty, please leave a comment and we will be happy to help you proceed with this issue. If there is no further activity on this issue, it will be closed in a week.