Re: [PATCH] net:tipc: Fix a double free in tipc_sk_mcast_rcv

From: patchwork-bot+netdevbpf
Date: Mon Mar 29 2021 - 19:30:47 EST


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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