A call to getsockopt(sk, SCTP_GET_LOCAL_ADDRS, opt, &optlen) returns a wrong value in optlen, because it doesn't account struct sctp_getaddrs preceding the actual addresses. Signed-off-by: Petr Malat <petr.malat.ext@xxxxxxxxx> --- net/sctp/socket.c | 1 + 1 file changed, 1 insertion(+) diff --git a/net/sctp/socket.c b/net/sctp/socket.c index 6f45d17..9082269 100644 --- a/net/sctp/socket.c +++ b/net/sctp/socket.c @@ -5560,6 +5560,7 @@ static int sctp_getsockopt_local_addrs(struct sock *sk, int len, err = -EFAULT; goto out; } + bytes_copied += offsetof(struct sctp_getaddrs, addrs); if (put_user(bytes_copied, optlen)) err = -EFAULT; out: -- 1.7.11.3 -- To unsubscribe from this list: send the line "unsubscribe linux-sctp" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
