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-rw-r--r--lib/socket_wrapper/socket_wrapper.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/socket_wrapper/socket_wrapper.c b/lib/socket_wrapper/socket_wrapper.c
index d70459ba08..2b526262bd 100644
--- a/lib/socket_wrapper/socket_wrapper.c
+++ b/lib/socket_wrapper/socket_wrapper.c
@@ -554,6 +554,11 @@ static int convert_in_un_alloc(struct socket_info *si, const struct sockaddr *in
if (bcast) *bcast = is_bcast;
+ if (iface == 0 || iface > MAX_WRAPPED_INTERFACES) {
+ errno = EINVAL;
+ return -1;
+ }
+
if (prt == 0) {
/* handle auto-allocation of ephemeral ports */
for (prt = 5001; prt < 10000; prt++) {