--- a/coreutils/uniq.c
+++ b/coreutils/uniq.c
@@ -82,6 +82,8 @@ int uniq_main(int argc ATTRIBUTE_UNUSED,
if (!s0 || strncmp(e0, e1, max_chars)) {
break;
+ } else {
+ free(s1);
}
++dups; /* note: testing for overflow seems excessive. */