Hi Chris, Thanks for this bug report, I had seen it but didn't investigate.
I tried to understand what could be the reason of this failures only on this architecture but I have no idea, not enough time and it is quite out of my knowledge. It would be a shame to not have an updated version of rspamd in Trixie just because of this…
Do you - or anyone else - have ideas or advice on how to take a step forward on this?
Thanks in advance, Jérôme