Re: [PATCH] net: sched: integer overflow fix

[David Miller]

From: Eric Dumazet <eric.dumazet@xxxxxxxxx>
Date: Fri, 21 Dec 2012 17:16:37 -0800

> On Sat, 2012-12-22 at 02:04 +0100, Stefan Hasko wrote:
>> Sorry, I did not realize different sizes casting problem, now it's clear to me. Thanks for help.
>> 
>> Fixed integer overflow in function htb_dequeue
>> 
>> Signed-off-by: Stefan Hasko <hasko.stevo@xxxxxxxxx>
>> ---
>>  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 d2922c0..51561ea 100644
>> --- a/net/sched/sch_htb.c
>> +++ b/net/sched/sch_htb.c
>> @@ -919,7 +919,7 @@ ok:
>>  	q->now = ktime_to_ns(ktime_get());
>>  	start_at = jiffies;
>>  
>> -	next_event = q->now + 5 * NSEC_PER_SEC;
>> +	next_event = q->now + 5LLU * NSEC_PER_SEC;
>>  
>>  	for (level = 0; level < TC_HTB_MAXDEPTH; level++) {
>>  		/* common case optimization - skip event handler quickly */
> 
> I guess David will remove the first line of your changelog
> 
> Acked-by: Eric Dumazet <edumazet@xxxxxxxxxx>

Applied.
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