[sr-dev] git:4.4:6684be6b: core: check if ifa_addr field is set while trying to skip AF_PACKET interfaces

[Daniel-Constantin Mierla]

Module: kamailio
Branch: 4.4
Commit: 6684be6b4c405ab24dd6a5a19267ceef6aa95503
URL: https://github.com/kamailio/kamailio/commit/6684be6b4c405ab24dd6a5a19267ceef6aa95503

Author: Daniel-Constantin Mierla <miconda at gmail.com>
Committer: Daniel-Constantin Mierla <miconda at gmail.com>
Date: 2016-04-07T09:59:04+02:00

core: check if ifa_addr field is set while trying to skip AF_PACKET interfaces

- reported by Juha Heinanen

(cherry picked from commit 1545b8de396e8e5d0ef24c9102beff18b3cf36e5)

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Modified: socket_info.c

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Diff:  https://github.com/kamailio/kamailio/commit/6684be6b4c405ab24dd6a5a19267ceef6aa95503.diff
Patch: https://github.com/kamailio/kamailio/commit/6684be6b4c405ab24dd6a5a19267ceef6aa95503.patch

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diff --git a/socket_info.c b/socket_info.c
index cecfef9..95c6ee6 100644
--- a/socket_info.c
+++ b/socket_info.c
@@ -1207,7 +1207,7 @@ int add_interfaces(char* if_name, int family, unsigned short port,
 	{
 #ifdef AF_PACKET
 		/* skip AF_PACKET addr family since it is of no use later on */
-		if (ifa->ifa_addr->sa_family == AF_PACKET)
+		if (ifa->ifa_addr && ifa->ifa_addr->sa_family == AF_PACKET)
 			continue;
 #endif
 		if (if_name && strcmp(if_name, ifa->ifa_name))