Messages in this thread | | | Subject | Re: [PATCH] net: sched: integer overflow fix | From | Eric Dumazet <> | Date | Fri, 21 Dec 2012 14:51:48 -0800 |
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On Fri, 2012-12-21 at 21:39 +0100, Stefan Hasko wrote: > Fixed integer overflow in function htb_dequeue > > Signed-off-by: Stefan Hasko <hasko.stevo@gmail.com> > --- > 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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