Re: [Bugme-new] [Bug 27212] New: Warning kmemcheck: Caught 64-bitread from uninitialized memory in netlink_broadcast_filtered

[David Rientjes]

On Tue, 15 Feb 2011, Pekka Enberg wrote:

> > [PATCH] slub: fix kmemcheck calls to match ksize() hints
> >
> > Recent use of ksize() in network stack (commit ca44ac38 : net: don't
> > reallocate skb->head unless the current one hasn't the needed extra size
> > or is shared) triggers kmemcheck warnings, because ksize() can return
> > more space than kmemcheck is aware of.
> >
> > Pekka Enberg noticed SLAB+kmemcheck is doing the right thing, while SLUB
> > +kmemcheck doesnt.
> >
> > Bugzilla reference #27212
> >
> > Reported-by: Christian Casteyde <casteyde.christian@xxxxxxx>
> > Suggested-by: Pekka Enberg <penberg@xxxxxxxxxx>
> > Signed-off-by: Eric Dumazet <eric.dumazet@xxxxxxxxx>
> > CC: David Miller <davem@xxxxxxxxxxxxx>
> > CC: Changli Gao <xiaosuo@xxxxxxxxx>
> > CC: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>

Acked-by: David Rientjes <rientjes@xxxxxxxxxx>
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