Fix segfault when cleaning up

diff --git a/findutils/grep.c b/findutils/grep.c
index 908f39123d3d5d83a6be2a99a572caabdce8e44f..e26a8d5ad8872837ac2607746f79593b6e2cccc2 100644 (file)
--- a/findutils/grep.c
+++ b/findutils/grep.c
@@ -343,7 +343,7 @@ extern int grep_main(int argc, char **argv)
                if (argv[optind] == NULL)
                        bb_show_usage();
                else {
-                       pattern_head = llist_add_to(pattern_head, argv[optind]);
+                       pattern_head = llist_add_to(pattern_head, strdup(argv[optind]));
                        optind++;
                }
        }