Fix crasher in get_ips

Check that the interface structure is not NULL before trying to access its members. Signed-off-by: Stéphane Graber <stgraber@ubuntu.com>

Fix crasher in get_ips
fe218ca3 · Stéphane Graber · a24b8712 · fe218ca3
Unverified Commit fe218ca3 authored Sep 29, 2013 by Stéphane Graber
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lxccontainer.c src/lxc/lxccontainer.c +3 -0

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--- a/src/lxc/lxccontainer.c
+++ b/src/lxc/lxccontainer.c
@@ -1305,6 +1305,9 @@ static char** lxcapi_get_ips(struct lxc_container *c, char* interface, char* fam
 	/* Iterate through the interfaces */
 	for (tempIfAddr = interfaceArray; tempIfAddr != NULL; tempIfAddr = tempIfAddr->ifa_next) {
+		if (tempIfAddr->ifa_addr == NULL)
+			continue;
 		if(tempIfAddr->ifa_addr->sa_family == AF_INET) {
 			if (family && strcmp(family, "inet"))
 				continue;