udev: refuse to process line when invalid program output is obtained

2021-12-25 15:13:19 +09:00
parent 6b6e471a32
commit 567c19a62c
1 changed files with 5 additions and 1 deletions
@@ -1848,9 +1848,13 @@ static int udev_rule_apply_token_to_event(
                }

                r = strv_split_newlines_full(&lines, result, EXTRACT_RETAIN_ESCAPE);
-                if (r < 0)
+                if (r == -ENOMEM)
+                        return log_oom();
+                if (r < 0) {
                        log_rule_warning_errno(dev, rules, r,
                                               "Failed to extract lines from result of command \"%s\", ignoring: %m", buf);
+                        return false;
+                }

                STRV_FOREACH(line, lines) {
                        char *key, *value;