I have the following scenario.

The workload is run on Node-0

Meantime, I disconnect network to Node-1 for prolonged period, so when it re-join it will have to perform SST

It re-connects and performs SST from Node-2.

While SST is going, I kill Node-2

It seems Node-1 detects it eventually and "trying to abort SST"

But 30 mins later Node-1 is still active and never delivers on its promise to abort SST,

I would say it stuck.

Logs from Node-1:

...