Hi, The bug https://bugzilla.suse.com/show_bug.cgi?id=1156053 is still open and thanks to Jiri the kernel feature is disabled by default on s390x, so the workaround will not be needed. Git commit - https://git.io/JvW6W Hardened usercopy - https://lwn.net/Articles/695991/ #cp disc -- Sergio Lindo Mansilla QA Engineer SUSE Software Solutions Germany GmbH Maxfeldstr. 5 90409 Nürnberg Germany https://www.suse.com/ (HRB 36809, AG Nürnberg) Geschäftsführer: Felix Imendörffer