> Thanks for sharing the .config and tree. It looks like the problem is that > kimg_shadow_start and kimg_shadow_end are not page-aligned. Whilst I fix > them up in kasan_map_populate, they remain unaligned when passed to > kasan_populate_zero_shadow, which confuses the loop termination conditions > in e.g. zero_pte_populate and the shadow isn't configured properly. This makes sense. Thank you. I will insert these changes into your patch, and send out a new series soon after sanity checking it. Pavel -- To unsubscribe from this list: send the line "unsubscribe linux-s390" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html