Commit f6778aab authored Nov 23, 2009 by Andrei Pelinescu-Onciul Committed by Vlad Yasevich Nov 23, 2009

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>

parent d8dd1578

net/sctp/socket.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -2086,6 +2086,9 @@ 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;
		}