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()
178 	struct seccomp_filter *f = ACCESS_ONCE(current->seccomp.filter);  in seccomp_run_filters()
273 		     is_ancestor(thread->seccomp.filter,  in seccomp_can_sync_threads()
274 				 caller->seccomp.filter)))  in seccomp_can_sync_threads()
318 		smp_store_release(&thread->seccomp.filter,  in seccomp_sync_threads()
319 				  caller->seccomp.filter);  in seccomp_sync_threads()
349 	struct seccomp_filter *filter;  in seccomp_prepare_filter()  local
377 	if (copy_from_user(fp, fprog->filter, fp_size))  in seccomp_prepare_filter()
397 	filter = kzalloc(sizeof(struct seccomp_filter),  in seccomp_prepare_filter()
399 	if (!filter)  in seccomp_prepare_filter()
402 	filter->prog = bpf_prog_alloc(bpf_prog_size(new_len), __GFP_NOWARN);  in seccomp_prepare_filter()
403 	if (!filter->prog)  in seccomp_prepare_filter()
406 	ret = bpf_convert_filter(fp, fprog->len, filter->prog->insnsi, &new_len);  in seccomp_prepare_filter()
411 	atomic_set(&filter->usage, 1);  in seccomp_prepare_filter()
412 	filter->prog->len = new_len;  in seccomp_prepare_filter()
414 	bpf_prog_select_runtime(filter->prog);  in seccomp_prepare_filter()
416 	return filter;  in seccomp_prepare_filter()
419 	__bpf_prog_free(filter->prog);  in seccomp_prepare_filter()
421 	kfree(filter);  in seccomp_prepare_filter()
437 	struct seccomp_filter *filter = ERR_PTR(-EFAULT);  in seccomp_prepare_user_filter()  local
445 		fprog.filter = compat_ptr(fprog32.filter);  in seccomp_prepare_user_filter()
450 	filter = seccomp_prepare_filter(&fprog);  in seccomp_prepare_user_filter()
452 	return filter;  in seccomp_prepare_user_filter()
465 				  struct seccomp_filter *filter)  in seccomp_attach_filter()  argument
473 	total_insns = filter->prog->len;  in seccomp_attach_filter()
474 	for (walker = current->seccomp.filter; walker; walker = walker->prev)  in seccomp_attach_filter()
492 	filter->prev = current->seccomp.filter;  in seccomp_attach_filter()
493 	current->seccomp.filter = filter;  in seccomp_attach_filter()
505 	struct seccomp_filter *orig = tsk->seccomp.filter;  in get_seccomp_filter()
512 static inline void seccomp_filter_free(struct seccomp_filter *filter)  in seccomp_filter_free()  argument
514 	if (filter) {  in seccomp_filter_free()
515 		bpf_prog_free(filter->prog);  in seccomp_filter_free()
516 		kfree(filter);  in seccomp_filter_free()
523 	struct seccomp_filter *orig = tsk->seccomp.filter;  in put_seccomp_filter()
799 				    const char __user *filter)  in seccomp_set_mode_filter()  argument
810 	prepared = seccomp_prepare_user_filter(filter);  in seccomp_set_mode_filter()
844 					   const char __user *filter)  in seccomp_set_mode_filter()  argument
879 long prctl_set_seccomp(unsigned long seccomp_mode, char __user *filter)  in prctl_set_seccomp()  argument
896 		uargs = filter;  in prctl_set_seccomp()