netdev - Re: [PATCH net,v3] tcp: fix a signed-integer-overflow bug in tcp_add

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Date:   Mon, 24 Oct 2022 12:20:15 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Lu Wei <luwei32@...wei.com>
Cc:     davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
        pabeni@...hat.com, yoshfuji@...ux-ipv6.org, dsahern@...nel.org,
        ast@...nel.org, martin.lau@...nel.org, kuniyu@...zon.com,
        asml.silence@...il.com, imagedong@...cent.com,
        ncardwell@...gle.com, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH net,v3] tcp: fix a signed-integer-overflow bug in
 tcp_add_backlog()

Hello:

This patch was applied to netdev/net.git (master)
by David S. Miller <davem@...emloft.net>:

On Fri, 21 Oct 2022 12:06:22 +0800 you wrote:
> The type of sk_rcvbuf and sk_sndbuf in struct sock is int, and
> in tcp_add_backlog(), the variable limit is caculated by adding
> sk_rcvbuf, sk_sndbuf and 64 * 1024, it may exceed the max value
> of int and overflow. This patch reduces the limit budget by
> halving the sndbuf to solve this issue since ACK packets are much
> smaller than the payload.
> 
> [...]

Here is the summary with links:
  - [net,v3] tcp: fix a signed-integer-overflow bug in tcp_add_backlog()
    https://git.kernel.org/netdev/net/c/ec791d8149ff

You are awesome, thank you!
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