From: Stefan Hasko <hasko.stevo@gmail.com>
Date: Fri, 21 Dec 2012 15:04:59 +0000 (+0000)
Subject: net: sched: integer overflow fix
X-Git-Tag: firefly_0821_release~7541^2~188
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=9b79271d999e75f68410a5a5f23327c151dc450b;p=firefly-linux-kernel-4.4.55.git

net: sched: integer overflow fix

[ Upstream commit d2fe85da52e89b8012ffad010ef352a964725d5f ]

Fixed integer overflow in function htb_dequeue

Signed-off-by: Stefan Hasko <hasko.stevo@gmail.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/net/sched/sch_htb.c b/net/sched/sch_htb.c
index 29b942ce9e82..f08b9166119b 100644
--- a/net/sched/sch_htb.c
+++ b/net/sched/sch_htb.c
@@ -876,7 +876,7 @@ ok:
 	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 */