于 2012年07月10日 19:08, Eric Dumazet 写道:
> On Tue, 2012-07-10 at 13:05 +0200, Eric Dumazet wrote:
>> On Tue, 2012-07-10 at 18:44 +0800, Gao feng wrote:
>>> there are some out of bound accesses in netprio cgroup.
>>
>>> - update_netdev_tables();
>>> + ret = extend_netdev_table(dev, max_len);
>>> +
On Tue, Jul 10, 2012 at 01:05:50PM +0200, Eric Dumazet wrote:
> On Tue, 2012-07-10 at 18:44 +0800, Gao feng wrote:
> > there are some out of bound accesses in netprio cgroup.
>
> > - update_netdev_tables();
> > + ret = extend_netdev_table(dev, max_len);
> > + if (ret < 0)
> > + got
On Tue, 2012-07-10 at 13:05 +0200, Eric Dumazet wrote:
> On Tue, 2012-07-10 at 18:44 +0800, Gao feng wrote:
> > there are some out of bound accesses in netprio cgroup.
>
> > - update_netdev_tables();
> > + ret = extend_netdev_table(dev, max_len);
> > + if (ret < 0)
> > + goto out_f
On Tue, 2012-07-10 at 18:44 +0800, Gao feng wrote:
> there are some out of bound accesses in netprio cgroup.
> - update_netdev_tables();
> + ret = extend_netdev_table(dev, max_len);
> + if (ret < 0)
> + goto out_free_devname;
> +
> ret = 0;
> rcu_read_lock();
>
there are some out of bound accesses in netprio cgroup.
now before accessing the dev->priomap.priomap array,we only check
if the dev->priomap exist.and because we don't want to see
additional bound checkings in fast path, so we should make sure
that dev->priomap is null or array size of dev->priom
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