[ 152/184] net: sched: integer overflow fix

From: Willy Tarreau
Date: Tue Jun 04 2013 - 18:59:16 EST


2.6.32-longterm review patch. If anyone has any objections, please let me know.

------------------

From: Stefan Hasko <hasko.stevo@xxxxxxxxx>

[ Upstream commit d2fe85da52e89b8012ffad010ef352a964725d5f ]

Fixed integer overflow in function htb_dequeue

Signed-off-by: Stefan Hasko <hasko.stevo@xxxxxxxxx>
Acked-by: Eric Dumazet <edumazet@xxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Willy Tarreau <w@xxxxxx>
---
net/sched/sch_htb.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/sched/sch_htb.c b/net/sched/sch_htb.c
index 85acab9..2f074d6 100644
--- a/net/sched/sch_htb.c
+++ b/net/sched/sch_htb.c
@@ -865,7 +865,7 @@ static struct sk_buff *htb_dequeue(struct Qdisc *sch)
q->now = psched_get_time();
start_at = jiffies;

- next_event = q->now + 5 * PSCHED_TICKS_PER_SEC;
+ next_event = q->now + 5LLU * PSCHED_TICKS_PER_SEC;

for (level = 0; level < TC_HTB_MAXDEPTH; level++) {
/* common case optimization - skip event handler quickly */
--
1.7.12.2.21.g234cd45.dirty



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