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Message-ID: <4e56edca.e264e.1898a641853.Coremail.linma@zju.edu.cn>
Date:   Tue, 25 Jul 2023 08:12:42 +0800 (GMT+08:00)
From:   "Lin Ma" <linma@....edu.cn>
To:     "Jakub Kicinski" <kuba@...nel.org>
Cc:     davem@...emloft.net, edumazet@...gle.com, pabeni@...hat.com,
        ast@...nel.org, martin.lau@...nel.org, yhs@...com,
        andrii@...nel.org, void@...ifault.com, houtao1@...wei.com,
        laoar.shao@...il.com, inwardvessel@...il.com, kuniyu@...zon.com,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        bpf@...r.kernel.org
Subject: Re: [PATCH v1] bpf: Add length check for
 SK_DIAG_BPF_STORAGE_REQ_MAP_FD parsing

Hi Jakub,

> 
> You can move this check earlier, when the attributes are getting
> counted. That way we can avoid the alloc/free on error.

Good point, will fix that and prepare another patch

Thanks
Lin

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