linux-kernel - Re: [PATCH] NFS: Fix an off by one in root_nfs

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Message-ID: <11A69D01-44A5-4261-BF9B-EC3A1209E3F1@redhat.com>
Date:   Wed, 25 Oct 2023 08:34:35 -0400
From:   Benjamin Coddington <bcodding@...hat.com>
To:     Christophe JAILLET <christophe.jaillet@...adoo.fr>
Cc:     trond.myklebust@...merspace.com, anna@...nel.org,
        chuck.lever@...cle.com, linux-nfs@...r.kernel.org,
        linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org
Subject: Re: [PATCH] NFS: Fix an off by one in root_nfs_cat()

On 24 Oct 2023, at 17:47, Christophe JAILLET wrote:

> The intent is to check if the 'dest' is truncated or not. So, >+ should be
> used instead of >, because strlcat() returns the length of 'dest' and 'src'
> excluding the trailing NULL.
>
> Fixes: 56463e50d1fc ("NFS: Use super.c for NFSROOT mount option parsing")
> Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>

Minor typo in the body: >+ should be >=, otherwise looks right.

Reviewed-by: Benjamin Coddington <bcodding@...hat.com>

Ben