* [PATCH 3/3] sctp: limit maximum autoclose setsockopt value
@ 2009-11-12 15:52 Andrei Pelinescu-Onciul
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From: Andrei Pelinescu-Onciul @ 2009-11-12 15:52 UTC (permalink / raw)
To: linux-sctp
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>
---
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
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