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-rw-r--r--security/selinux/hooks.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index d5fdcb0d26fe..c61787b15f27 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -4512,7 +4512,7 @@ static int selinux_socket_bind(struct socket *sock, struct sockaddr *address, in
struct lsm_network_audit net = {0,};
struct sockaddr_in *addr4 = NULL;
struct sockaddr_in6 *addr6 = NULL;
- u16 family_sa = address->sa_family;
+ u16 family_sa;
unsigned short snum;
u32 sid, node_perm;
@@ -4522,6 +4522,9 @@ static int selinux_socket_bind(struct socket *sock, struct sockaddr *address, in
* need to check address->sa_family as it is possible to have
* sk->sk_family = PF_INET6 with addr->sa_family = AF_INET.
*/
+ if (addrlen < offsetofend(struct sockaddr, sa_family))
+ return -EINVAL;
+ family_sa = address->sa_family;
switch (family_sa) {
case AF_UNSPEC:
case AF_INET:
@@ -4654,6 +4657,8 @@ static int selinux_socket_connect_helper(struct socket *sock,
* need to check address->sa_family as it is possible to have
* sk->sk_family = PF_INET6 with addr->sa_family = AF_INET.
*/
+ if (addrlen < offsetofend(struct sockaddr, sa_family))
+ return -EINVAL;
switch (address->sa_family) {
case AF_INET:
addr4 = (struct sockaddr_in *)address;