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Subject: Re: [PATCH] net:tipc: Fix a double free in tipc_sk_mcast_rcv
From:   patchwork-bot+netdevbpf@kernel.org
Message-Id: <161706060899.18537.8994477724999069966.git-patchwork-notify@kernel.org>
Date:   Mon, 29 Mar 2021 23:30:08 +0000
References: <20210328073029.4325-1-lyl2019@mail.ustc.edu.cn>
In-Reply-To: <20210328073029.4325-1-lyl2019@mail.ustc.edu.cn>
To:     Lv Yunlong <lyl2019@mail.ustc.edu.cn>
Cc:     jmaloy@redhat.com, ying.xue@windriver.com, davem@davemloft.net,
        kuba@kernel.org, netdev@vger.kernel.org,
        tipc-discussion@lists.sourceforge.net, linux-kernel@vger.kernel.org
Precedence: bulk

Hello:

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

On Sun, 28 Mar 2021 00:30:29 -0700 you wrote:
> In the if(skb_peek(arrvq) == skb) branch, it calls __skb_dequeue(arrvq) to get
> the skb by skb = skb_peek(arrvq). Then __skb_dequeue() unlinks the skb from arrvq
> and returns the skb which equals to skb_peek(arrvq). After __skb_dequeue(arrvq)
> finished, the skb is freed by kfree_skb(__skb_dequeue(arrvq)) in the first time.
> 
> Unfortunately, the same skb is freed in the second time by kfree_skb(skb) after
> the branch completed.
> 
> [...]

Here is the summary with links:
  - net:tipc: Fix a double free in tipc_sk_mcast_rcv
    https://git.kernel.org/netdev/net/c/6bf24dc0cc0c

You are awesome, thank you!
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