linux/kernel/ptrace.c

995 			void __user *datavp)
1020 	return copy_to_user(datavp, &info, write_size) ? -EFAULT : actual_size;
1098 			const void __user *datavp)
1111 	if (copy_from_user(&info, datavp, sizeof(info)))
1142 	void __user *datavp = (void __user *) data;
1143 	unsigned long __user *datalp = datavp;
1171 			ret = copy_siginfo_to_user(datavp, &siginfo);
1175 		ret = copy_siginfo_from_user(&siginfo, datavp);
1193 		if (copy_to_user(datavp, mask, sizeof(sigset_t)))
1209 		if (copy_from_user(&new_set, datavp, sizeof(sigset_t))) {
1334 		struct iovec __user *uiov = datavp;
1350 		ret = ptrace_get_syscall_info(child, addr, datavp);
1354 		ret = ptrace_set_syscall_info(child, addr, datavp);
1359 		ret = seccomp_get_filter(child, addr, datavp);
1363 		ret = seccomp_get_metadata(child, addr, datavp);
1368 		ret = ptrace_get_rseq_configuration(child, addr, datavp);
1373 		ret = syscall_user_dispatch_set_config(child, addr, datavp);
1377 		ret = syscall_user_dispatch_get_config(child, addr, datavp);