linux-kernel - Re: [PATCH net] sctp: account stream padding length for reconf chunk

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Message-Id: <163422180722.1532.7555776041152823149.git-patchwork-notify@kernel.org>
Date:   Thu, 14 Oct 2021 14:30:07 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Marcelo Ricardo Leitner <marcelo.leitner@...il.com>
Cc:     netdev@...r.kernel.org, vyasevich@...il.com, nhorman@...driver.com,
        eiichi.tsukata@...anix.com, davem@...emloft.net, kuba@...nel.org,
        linux-kernel@...r.kernel.org, gregkh@...uxfoundation.org,
        lucien.xin@...il.com
Subject: Re: [PATCH net] sctp: account stream padding length for reconf chunk

Hello:

This patch was applied to netdev/net.git (master)
by Jakub Kicinski <kuba@...nel.org>:

On Wed, 13 Oct 2021 17:27:29 -0300 you wrote:
> From: Eiichi Tsukata <eiichi.tsukata@...anix.com>
> 
> sctp_make_strreset_req() makes repeated calls to sctp_addto_chunk()
> which will automatically account for padding on each call. inreq and
> outreq are already 4 bytes aligned, but the payload is not and doing
> SCTP_PAD4(a + b) (which _sctp_make_chunk() did implicitly here) is
> different from SCTP_PAD4(a) + SCTP_PAD4(b) and not enough. It led to
> possible attempt to use more buffer than it was allocated and triggered
> a BUG_ON.
> 
> [...]

Here is the summary with links:
  - [net] sctp: account stream padding length for reconf chunk
    https://git.kernel.org/netdev/net/c/a2d859e3fc97

You are awesome, thank you!
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