netdev - 979d63d50c0c0f7bc537bf821e056cc9fe5abd38 bpf: prevent out of bounds speculation on pointer arithmetic

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Date:   Mon, 11 Mar 2019 17:18:33 +0800
From:   Jason Yan <yanaijie@...wei.com>
To:     <daniel@...earbox.net>, Jann Horn <jannh@...gle.com>,
        <ast@...nel.org>, <gregkh@...uxfoundation.org>,
        "zhangyi (F)" <yi.zhang@...wei.com>,
        Zhaohongjiang <zhaohongjiang@...wei.com>,
        <netdev@...r.kernel.org>, <stable@...r.kernel.org>
Subject: 979d63d50c0c0f7bc537bf821e056cc9fe5abd38 bpf: prevent out of bounds
 speculation on pointer arithmetic

Hi, Daniel & Greg

This patch (979d63d50c0c bpf: prevent out of bounds speculation on 
pointer arithmetic) was assigned a CVE (CVE-2019-7308) with a high score:

CVSS v3.0 Severity and Metrics:
Base Score: 9.8 CRITICAL

And this patch is not in stable-4.4, would you please backport this 
patch to 4.4?

Thanks,
Jason