diff -urpN ltrace-0.7.3.orig/sysdeps/linux-gnu/proc.c ltrace-0.7.3/sysdeps/linux-gnu/proc.c
--- ltrace-0.7.3.orig/sysdeps/linux-gnu/proc.c	2013-01-02 06:24:46.000000000 -0800
+++ ltrace-0.7.3/sysdeps/linux-gnu/proc.c	2016-11-13 11:24:32.760365875 -0800
@@ -240,14 +240,18 @@ process_tasks(pid_t pid, pid_t **ret_tas
 	size_t alloc = 0;
 
 	while (1) {
-		struct dirent entry;
 		struct dirent *result;
-		if (readdir_r(d, &entry, &result) != 0) {
-			free(tasks);
-			return -1;
-		}
-		if (result == NULL)
+
+		errno = 0;
+		result = readdir(d);
+		if (result == NULL) {
+			if (errno) {
+				free(tasks);
+				closedir(d);
+				return -1;
+			}
 			break;
+		}
 		if (result->d_type == DT_DIR && all_digits(result->d_name)) {
 			pid_t npid = atoi(result->d_name);
 			if (n >= alloc) {