sctp: limit maximum autoclose setsockopt value
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@iptel.org>
Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index d2681a6..71513b39 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -2086,6 +2086,9 @@
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;
}