From 0b68cabeb40d6e24a677a9332d3f3db163b5d723 Mon Sep 17 00:00:00 2001 From: Hans Dedecker Date: Thu, 5 Dec 2013 13:54:19 +0100 Subject: Fix possible SEGFAULT conditions --- src/router.c | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'src/router.c') diff --git a/src/router.c b/src/router.c index 5abf1e6..83da938 100644 --- a/src/router.c +++ b/src/router.c @@ -353,6 +353,11 @@ static void send_router_advert(struct uloop_timeout *event) uint32_t lifetime; uint8_t name[]; } *search = alloca(sizeof(*search) + search_padded); + + if (!search) { + syslog(LOG_ERR, "Alloca failed for dns search on interface %s", iface->ifname); + return; + } search->type = ND_OPT_DNS_SEARCH; search->len = search_len ? ((sizeof(*search) + search_padded) / 8) : 0; search->pad = 0; -- cgit v1.2.3