On 06/07/2018 10:46 AM, Yu-cheng Yu wrote: >> Also, did you add all the needed checks to make get_user_pages(), >> access_process_vm(), etc fail when called on the shadow stack? (Or at >> least fail if they're requesting write access and the FORCE bit isn't >> set.) > Currently if FORCE bit is set, these functions can write to shadow > stack, otherwise write access will fail. I will test it. Is this a part of your selftests/ for this feature?