Author: emaste
Date: Mon Aug 31 15:55:29 2020
New Revision: 364994
URL: https://svnweb.freebsd.org/changeset/base/364994
Log:
dhclient: improve error handling parsing option 119
Reported by: Shlomi Oberman, JSOF
Submitted by: delphij
Reviewed by: markj
Tested by: markj
Modified:
head/sbin/dhclient/options.c
Modified: head/sbin/dhclient/options.c
==============================================================================
--- head/sbin/dhclient/options.c Mon Aug 31 15:32:45 2020
(r364993)
+++ head/sbin/dhclient/options.c Mon Aug 31 15:55:29 2020
(r364994)
@@ -298,6 +298,8 @@ find_search_domain_name_len(struct option_data *option
pointed_len = find_search_domain_name_len(option,
&pointer);
+ if (pointed_len < 0)
+ return (-1);
domain_name_len += pointed_len;
*offset = i + 2;
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