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Subject: Re: [PATCH] ethernet: myri10ge: Fix a use after free in myri10ge_sw_tso
From:   patchwork-bot+netdevbpf@kernel.org
Message-Id: <161705100918.19110.5559989308020507704.git-patchwork-notify@kernel.org>
Date:   Mon, 29 Mar 2021 20:50:09 +0000
References: <20210329123648.9474-1-lyl2019@mail.ustc.edu.cn>
In-Reply-To: <20210329123648.9474-1-lyl2019@mail.ustc.edu.cn>
To:     Lv Yunlong <lyl2019@mail.ustc.edu.cn>
Cc:     christopher.lee@cspi.com, davem@davemloft.net, kuba@kernel.org,
        netdev@vger.kernel.org, linux-kernel@vger.kernel.org
Precedence: bulk

Hello:

This patch was applied to netdev/net.git (refs/heads/master):

On Mon, 29 Mar 2021 05:36:48 -0700 you wrote:
> In myri10ge_sw_tso, the skb_list_walk_safe macro will set
> (curr) = (segs) and (next) = (curr)->next. If status!=0 is true,
> the memory pointed by curr and segs will be free by dev_kfree_skb_any(curr).
> But later, the segs is used by segs = segs->next and causes a uaf.
> 
> As (next) = (curr)->next, my patch replaces seg->next to next.
> 
> [...]

Here is the summary with links:
  - ethernet: myri10ge: Fix a use after free in myri10ge_sw_tso
    https://git.kernel.org/netdev/net/c/63415767a244

You are awesome, thank you!
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