1 files changed, 3 insertions, 0 deletions

diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index 7ce683259357..a67459eb62d5 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -5318,6 +5318,9 @@ static int selinux_sctp_bind_connect(struct sock *sk, int optname,
         addr_buf = address;
 
         while (walk_size < addrlen) {
+                if (walk_size + sizeof(sa_family_t) > addrlen)
+                        return -EINVAL;
+
                 addr = addr_buf;
                 switch (addr->sa_family) {
                 case AF_UNSPEC: