From bfc39db4ab381162c4be2d7e3de8d315d0445082 Mon Sep 17 00:00:00 2001 From: Phil Sutter Date: Thu, 18 Feb 2016 14:03:47 +0100 Subject: [PATCH] gre: raising the size of the buffer holding nl messages. Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=1288042 Upstream Status: iproute2.git commit bde5baa5476cd commit bde5baa5476cd8d7d33afc42170dc984f3717e14 Author: Jetchko Jekov Date: Thu May 21 16:32:24 2015 +0200 gre: raising the size of the buffer holding nl messages. Now it matches the size for the answer defined in rtnl_talk() and prevents stack corruption with answer > 1024 bytes. --- ip/link_gre.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/ip/link_gre.c b/ip/link_gre.c index 83653d0..ddbd6cc 100644 --- a/ip/link_gre.c +++ b/ip/link_gre.c @@ -50,7 +50,7 @@ static int gre_parse_opt(struct link_util *lu, int argc, char **argv, struct { struct nlmsghdr n; struct ifinfomsg i; - char buf[1024]; + char buf[16384]; } req; struct ifinfomsg *ifi = (struct ifinfomsg *)(n + 1); struct rtattr *tb[IFLA_MAX + 1]; -- 1.8.3.1