100 static int seccomp_check_filter(struct sock_filter *filter, unsigned int flen)  in seccomp_check_filter()  argument
104 		struct sock_filter *ftest = &filter[pc];  in seccomp_check_filter()
182 			lockless_dereference(current->seccomp.filter);  in seccomp_run_filters()
272 		     is_ancestor(thread->seccomp.filter,  in seccomp_can_sync_threads()
273 				 caller->seccomp.filter)))  in seccomp_can_sync_threads()
317 		smp_store_release(&thread->seccomp.filter,  in seccomp_sync_threads()
318 				  caller->seccomp.filter);  in seccomp_sync_threads()
395 	struct seccomp_filter *filter = ERR_PTR(-EFAULT);  in seccomp_prepare_user_filter()  local
403 		fprog.filter = compat_ptr(fprog32.filter);  in seccomp_prepare_user_filter()
408 	filter = seccomp_prepare_filter(&fprog);  in seccomp_prepare_user_filter()
410 	return filter;  in seccomp_prepare_user_filter()
423 				  struct seccomp_filter *filter)  in seccomp_attach_filter()  argument
431 	total_insns = filter->prog->len;  in seccomp_attach_filter()
432 	for (walker = current->seccomp.filter; walker; walker = walker->prev)  in seccomp_attach_filter()
450 	filter->prev = current->seccomp.filter;  in seccomp_attach_filter()
451 	current->seccomp.filter = filter;  in seccomp_attach_filter()
463 	struct seccomp_filter *orig = tsk->seccomp.filter;  in get_seccomp_filter()
470 static inline void seccomp_filter_free(struct seccomp_filter *filter)  in seccomp_filter_free()  argument
472 	if (filter) {  in seccomp_filter_free()
473 		bpf_prog_destroy(filter->prog);  in seccomp_filter_free()
474 		kfree(filter);  in seccomp_filter_free()
481 	struct seccomp_filter *orig = tsk->seccomp.filter;  in put_seccomp_filter()
765 				    const char __user *filter)  in seccomp_set_mode_filter()  argument
776 	prepared = seccomp_prepare_user_filter(filter);  in seccomp_set_mode_filter()
810 					   const char __user *filter)  in seccomp_set_mode_filter()  argument
845 long prctl_set_seccomp(unsigned long seccomp_mode, char __user *filter)  in prctl_set_seccomp()  argument
862 		uargs = filter;  in prctl_set_seccomp()
876 	struct seccomp_filter *filter;  in seccomp_get_filter()  local
892 	filter = task->seccomp.filter;  in seccomp_get_filter()
893 	while (filter) {  in seccomp_get_filter()
894 		filter = filter->prev;  in seccomp_get_filter()
904 	filter = task->seccomp.filter;  in seccomp_get_filter()
905 	while (filter && count > 1) {  in seccomp_get_filter()
906 		filter = filter->prev;  in seccomp_get_filter()
910 	if (WARN_ON(count != 1 || !filter)) {  in seccomp_get_filter()
916 	fprog = filter->prog->orig_prog;  in seccomp_get_filter()
933 	if (copy_to_user(data, fprog->filter, bpf_classic_proglen(fprog)))  in seccomp_get_filter()