user_filter 477 kernel/seccomp.c seccomp_prepare_user_filter(const char __user *user_filter) user_filter 485 kernel/seccomp.c if (copy_from_user(&fprog32, user_filter, sizeof(fprog32))) user_filter 491 kernel/seccomp.c if (copy_from_user(&fprog, user_filter, sizeof(fprog)))