On Fri, 2012-12-21 at 21:39 +0100, Stefan Hasko wrote:
> Fixed integer overflow in function htb_dequeue
> 
> Signed-off-by: Stefan Hasko <[email protected]>
> ---
>  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..1bd3faa 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 + (u32)5 * NSEC_PER_SEC;
>  
>       for (level = 0; level < TC_HTB_MAXDEPTH; level++) {
>               /* common case optimization - skip event handler quickly */

But this patch is wrong !

I am a bit surprised, as I remember spotting this error in one patch
submission from Vimalkumar.

Apparently it got lost.

Please fix the bug for good, not adding another one.

Thanks


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