netdev - Re: [PATCH v2 net 1/2] net sched actions: fix access to uninitialized data

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Date:   Tue, 18 Apr 2017 08:51:39 -0400
From:   Jamal Hadi Salim <jhs@...atatu.com>
To:     Wolfgang Bumiller <w.bumiller@...xmox.com>, netdev@...r.kernel.org
Cc:     "David S. Miller" <davem@...emloft.net>,
        Cong Wang <xiyou.wangcong@...il.com>
Subject: Re: [PATCH v2 net 1/2] net sched actions: fix access to uninitialized
 data

On 17-04-18 06:13 AM, Wolfgang Bumiller wrote:
> Signed-off-by: Wolfgang Bumiller <w.bumiller@...xmox.com>
> Acked-by: Cong Wang <xiyou.wangcong@...il.com>
> Acked-by: Jamal Hadi Salim <jhs@...atatu.com>
> ---
> (same as v1)
>
>  net/sched/act_api.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/net/sched/act_api.c b/net/sched/act_api.c
> index b70aa57319ea..8cc883c063f0 100644
> --- a/net/sched/act_api.c
> +++ b/net/sched/act_api.c
> @@ -604,7 +604,7 @@ struct tc_action *tcf_action_init_1(struct net *net, struct nlattr *nla,
>  	if (err < 0)
>  		goto err_mod;
>
> -	if (tb[TCA_ACT_COOKIE]) {
> +	if (name == NULL && tb[TCA_ACT_COOKIE]) {
>  		int cklen = nla_len(tb[TCA_ACT_COOKIE]);
>
>  		if (cklen > TC_COOKIE_MAX_SIZE) {
>

This one looks good.

cheers,
jamal