diff options
| -rw-r--r-- | net/sctp/socket.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/net/sctp/socket.c b/net/sctp/socket.c index 49f930571030..8e1e20567c0c 100644 --- a/net/sctp/socket.c +++ b/net/sctp/socket.c @@ -3958,7 +3958,9 @@ static int sctp_getsockopt_local_addrs_old(struct sock *sk, int len, if (copy_from_user(&getaddrs, optval, sizeof(struct sctp_getaddrs_old))) return -EFAULT; - if (getaddrs.addr_num <= 0) return -EINVAL; + if (getaddrs.addr_num <= 0 || + getaddrs.addr_num >= (INT_MAX / sizeof(union sctp_addr))) + return -EINVAL; /* * For UDP-style sockets, id specifies the association to query. * If the id field is set to the value '0' then the locally bound |