To avoid overflowing the maximum timer interval when transforming the autoclose interval from seconds to jiffies, limit the maximum autoclose value to MAX_SCHEDULE_TIMEOUT/HZ. Signed-off-by: Andrei Pelinescu-Onciul <andrei@xxxxxxxxx> --- net/sctp/socket.c | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-) diff --git a/net/sctp/socket.c b/net/sctp/socket.c index 971890d..2f55723 100644 --- a/net/sctp/socket.c +++ b/net/sctp/socket.c @@ -2072,6 +2072,9 @@ static int sctp_setsockopt_autoclose(struct sock *sk, char __user *optval, return -EINVAL; if (copy_from_user(&sp->autoclose, optval, optlen)) return -EFAULT; + /* make sure it won't exceed MAX_SCHEDULE_TIMEOUT */ + if (sp->autoclose > (MAX_SCHEDULE_TIMEOUT / HZ) ) + sp->autoclose = MAX_SCHEDULE_TIMEOUT / HZ ; return 0; } -- 1.6.5.2 -- 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
