Re: [PATCH v2] net: cgroup: fix access the unallocated memory innetprio cgroup

[Eric Dumazet]

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();
>  	map = rcu_dereference(dev->priomap);

Its unfortunately adding a bug.

extend_netdev_table() is protected by RTNL.



--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/