[QGIS-Developer] Crash reading PostGIS raster

[pcav]

This is the stcktrace:

Thread 12 "Thread (pooled)" received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7fff42e7d700 (LWP 3910)]
0x00007ffff55da6b7 in QgsColorRampShader::shade(double, int*, int*, int*,
int*)
    ()
   from
/usr/local/src/qgis/QGIS/build_qgis2/output/lib/libqgis_core.so.2.18.13
(gdb) bt
#0  0x00007ffff55da6b7 in QgsColorRampShader::shade(double, int*, int*,
int*, int*) ()
    at
/usr/local/src/qgis/QGIS/build_qgis2/output/lib/libqgis_core.so.2.18.13
#1  0x00007ffff56015ed in QgsRasterShader::shade(double, int*, int*, int*,
int*) () at
/usr/local/src/qgis/QGIS/build_qgis2/output/lib/libqgis_core.so.2.18.13
#2  0x00007ffff561e543 in QgsSingleBandPseudoColorRenderer::block2(int,
QgsRectangle const&, int, int, QgsRasterBlockFeedback*) ()
    at
/usr/local/src/qgis/QGIS/build_qgis2/output/lib/libqgis_core.so.2.18.13
#3  0x00007ffff5605fa7 in QgsBrightnessContrastFilter::block2(int,
QgsRectangle const&, int, int, QgsRasterBlockFeedback*) ()
    at
/usr/local/src/qgis/QGIS/build_qgis2/output/lib/libqgis_core.so.2.18.13
#4  0x00007ffff560a5b9 in QgsHueSaturationFilter::block2(int, QgsRectangle
const&, int, int, QgsRasterBlockFeedback*) ()
    at
/usr/local/src/qgis/QGIS/build_qgis2/output/lib/libqgis_core.so.2.18.13
#5  0x00007ffff561b777 in QgsRasterResampleFilter::block2(int, QgsRectangle
const&, int, int, QgsRasterBlockFeedback*) ()
    at
/usr/local/src/qgis/QGIS/build_qgis2/output/lib/libqgis_core.so.2.18.13
#6  0x00007ffff55fee4a in QgsRasterProjector::block2(int, QgsRectangle
const&, int, int, QgsRasterBlockFeedback*) ()
    at
/usr/local/src/qgis/QGIS/build_qgis2/output/lib/libqgis_core.so.2.18.13
#7  0x00007ffff55ec4cf in QgsRasterIterator::readNextRasterPart(int, int&,
int&, QgsRasterBlock**, int&, int&) ()
    at
/usr/local/src/qgis/QGIS/build_qgis2/output/lib/libqgis_core.so.2.18.13
#8  0x00007ffff560fd7e in QgsRasterDrawer::draw(QPainter*,
QgsRasterViewPort*, QgsMapToPixel const*, QgsRenderContext const*,
QgsRasterBlockFeedback*) ()
    at
/usr/local/src/qgis/QGIS/build_qgis2/output/lib/libqgis_core.so.2.18.13
#9  0x00007ffff55f7d69 in QgsRasterLayerRenderer::render() ()
    at
/usr/local/src/qgis/QGIS/build_qgis2/output/lib/libqgis_core.so.2.18.13
#10 0x00007ffff538371e in
QgsMapRendererParallelJob::renderLayerStatic(LayerRenderJob&) () at
/usr/local/src/qgis/QGIS/build_qgis2/output/lib/libqgis_core.so.2.18.13
#11 0x00007ffff53844ce in QtConcurrent::FunctionWrapper1<void,
LayerRenderJob&>::operator()(LayerRenderJob&) ()
    at
/usr/local/src/qgis/QGIS/build_qgis2/output/lib/libqgis_core.so.2.18.13
#12 0x00007ffff538422b in
QtConcurrent::MapKernel<QList<LayerRenderJob>::iterator,
QtConcurrent::FunctionWrapper1<void, LayerRenderJob&>
>::runIteration(QList<LayerRenderJob>::iterator, int, void*) ()
    at
/usr/local/src/qgis/QGIS/build_qgis2/output/lib/libqgis_core.so.2.18.13
#13 0x00007ffff53842bb in
QtConcurrent::MapKernel<QList<LayerRenderJob>::iterator,
QtConcurrent::FunctionWrapper1<void, LayerRenderJob&>
>::runIterations(QList<LayerRenderJob>::iterator, int, int, void*) ()
    at
/usr/local/src/qgis/QGIS/build_qgis2/output/lib/libqgis_core.so.2.18.13
#14 0x00007ffff538470f in
QtConcurrent::IterateKernel<QList<LayerRenderJob>::iterator,
void>::forThreadFunction() ()
    at
/usr/local/src/qgis/QGIS/build_qgis2/output/lib/libqgis_core.so.2.18.13
#15 0x00007ffff5384438 in
QtConcurrent::IterateKernel<QList<LayerRenderJob>::iterator,
void>::threadFunction() ()
    at
/usr/local/src/qgis/QGIS/build_qgis2/output/lib/libqgis_core.so.2.18.13
#16 0x00007ffff4818d5d in QtConcurrent::ThreadEngineBase::run() ()
    at /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#17 0x00007ffff481adba in  () at /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#18 0x00007ffff4827daa in  () at /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#19 0x00007fffecafd494 in start_thread (arg=0x7fff42e7d700) at
pthread_create.c:333
#20 0x00007fffed993abf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:97



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