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Hello,

I have a post-processing pipeline that makes use of the Append Location Attributes in order to get access to the cell center coordinates. Unfortunately, the pileline sometimes crashes without being reproducible consitently. (the pipeline crashed once in 30 runs this morning, but then ran fine when re-running it for the faulty case)

Paraview gives a stack trace:

realloc(): invalid old size

Loguru caught a signal: SIGABRT
Stack trace:
19      0x155554aece83 clone + 67
18      0x15554f5962de /lib64/libpthread.so.0(+0x82de) [0x15554f5962de]
17      0x15554f34d196 /cm/shared/apps/paraview/5.9.0/bin/../lib/libtbb.so.2(+0x1d196) [0x15554f34d196]
16      0x15554f34d206 /cm/shared/apps/paraview/5.9.0/bin/../lib/libtbb.so.2(+0x1d206) [0x15554f34d206]
15      0x15554f35156f /cm/shared/apps/paraview/5.9.0/bin/../lib/libtbb.so.2(+0x2156f) [0x15554f35156f]
14      0x15554f353760 /cm/shared/apps/paraview/5.9.0/bin/../lib/libtbb.so.2(+0x23760) [0x15554f353760]
13      0x15554f3595ea /cm/shared/apps/paraview/5.9.0/bin/../lib/libtbb.so.2(+0x295ea) [0x15554f3595ea]
12      0x15552f88918e /cm/shared/apps/paraview/5.9.0/bin/../lib/../lib/libvtkFiltersCore-pv5.9.so.1(+0x12418e) [0x15552f88918e]
11      0x155550f7c31e vtkUnstructuredGrid::GetCell(long long, vtkGenericCell*) + 750
10      0x155550ec7408 vtkPolyhedron::SetFaces(long long*) + 392
9       0x15554f9c9cec vtkAbstractArray::SetNumberOfValues(long long) + 44
8       0x15554f9b425b /cm/shared/apps/paraview/5.9.0/bin/../lib/libvtkCommonCore-pv5.9.so.1(+0x20625b) [0x15554f9b425b]
7       0x15554fb66c3b vtkAOSDataArrayTemplate<long long>::ReallocateTuples(long long) + 283
6       0x155554a7706b realloc + 827
5       0x155554a75edc /lib64/libc.so.6(+0x84edc) [0x155554a75edc]
4       0x155554a71fdc /lib64/libc.so.6(+0x80fdc) [0x155554a71fdc]
3       0x155554a6b897 /lib64/libc.so.6(+0x7a897) [0x155554a6b897]
2       0x155554a12b25 abort + 295
1       0x155554a2870f gsignal + 271
0       0x155554a28790 /lib64/libc.so.6(+0x37790) [0x155554a28790]
(  66.528s) [        A3BFE700]                       :0     FATL| Signal: SIGABRT
error: exception occurred: Child aborted

The dataset is a multiblock dataset from a cgns file. I'll try to see if the problem is solved when using a merged multiblock dataset (so single block instead of multi block)