netdev - Re: [PATCH 9/9] udpv6: Check address length before reading address family

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Message-Id: <20190412.102622.1751613279874221713.davem@davemloft.net>
Date:   Fri, 12 Apr 2019 10:26:22 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     penguin-kernel@...ove.SAKURA.ne.jp
Cc:     ast@...nel.org, daniel@...earbox.net, kafai@...com,
        songliubraving@...com, yhs@...com, netdev@...r.kernel.org
Subject: Re: [PATCH 9/9] udpv6: Check address length before reading address
 family

From: Tetsuo Handa <penguin-kernel@...ove.SAKURA.ne.jp>
Date: Fri, 12 Apr 2019 19:56:39 +0900

> KMSAN will complain if valid address length passed to udpv6_pre_connect()
> is shorter than sizeof("struct sockaddr"->sa_family) bytes.
> 
> (This patch is bogus if it is guaranteed that udpv6_pre_connect() is
> always called after checking "struct sockaddr"->sa_family. In that case,
> we want a comment why we don't need to check valid address length here.)
> 
> Signed-off-by: Tetsuo Handa <penguin-kernel@...ove.SAKURA.ne.jp>

Applied.