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Subject: Re: [PATCH v3] net/sched: mqprio: Add length check for
 TCA_MQPRIO_{MAX/MIN}_RATE64
From:   patchwork-bot+netdevbpf@kernel.org
Message-Id: <169043462104.30073.7457238060155028542.git-patchwork-notify@kernel.org>
Date:   Thu, 27 Jul 2023 05:10:21 +0000
References: <20230725024227.426561-1-linma@zju.edu.cn>
In-Reply-To: <20230725024227.426561-1-linma@zju.edu.cn>
To:     Lin Ma <linma@zju.edu.cn>
Cc:     jhs@mojatatu.com, xiyou.wangcong@gmail.com, jiri@resnulli.us,
        davem@davemloft.net, edumazet@google.com, kuba@kernel.org,
        pabeni@redhat.com, amritha.nambiar@intel.com,
        jeffrey.t.kirsher@intel.com, netdev@vger.kernel.org,
        linux-kernel@vger.kernel.org
Precedence: bulk

Hello:

This patch was applied to netdev/net.git (main)
by Jakub Kicinski <kuba@kernel.org>:

On Tue, 25 Jul 2023 10:42:27 +0800 you wrote:
> The nla_for_each_nested parsing in function mqprio_parse_nlattr() does
> not check the length of the nested attribute. This can lead to an
> out-of-attribute read and allow a malformed nlattr (e.g., length 0) to
> be viewed as 8 byte integer and passed to priv->max_rate/min_rate.
> 
> This patch adds the check based on nla_len() when check the nla_type(),
> which ensures that the length of these two attribute must equals
> sizeof(u64).
> 
> [...]

Here is the summary with links:
  - [v3] net/sched: mqprio: Add length check for TCA_MQPRIO_{MAX/MIN}_RATE64
    https://git.kernel.org/netdev/net/c/6c58c8816abb

You are awesome, thank you!
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