ID 471921 - Mari crashes when a Geo-Channel node and more than one Output or Input node inside a Material are copied

Problem summary
Mari crashes when a Geo-Channel node and more than one Output or Input node inside a Material are copied

Customer reported version
Mari 4.7v1

Customer reported platform
Linux

Steps to reproduce

1) Open any project
 

2) Create a Material node
 

3) Inside the Material node, create a Geo-Channel node

4) Select the Geo-Channel node and two (or more) of the Material's Output nodes

5) Press CTRL+C to copy the nodes

NOTE: This crash also occurs if Input nodes are created and selected instead of the Output nodes. Reproduction steps are as follow:

1) Follow steps 1-3 above
 

2) Create two Input nodes

3) Select the Geo-Channel node and both Input nodes
 

4) Press CTRL+C to copy the nodes

Expected behaviour
The selected nodes should be copied

Actual behaviour
Mari crashed

Workaround
Unknown.

Reproduced by support
This bug has been reproduced in:

Mari 4.7v2 - Windows 10 - CentOS 7.7

Mari 4.7v1 - Windows 10 - CentOS 7.7

Unable to reproduce bug in:

Mari 4.6v4 - Windows 10 - CentOS 7.7 regression

Earliest version tested
Mari 4.6v4 - This issue doesn't appear in this version and has regressed