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Message-ID: <20230809215846.GE3325@breakpoint.cc>
Date:   Wed, 9 Aug 2023 23:58:46 +0200
From:   Florian Westphal <fw@...len.de>
To:     Justin Stitt <justinstitt@...gle.com>
Cc:     Florian Westphal <fw@...len.de>,
        Pablo Neira Ayuso <pablo@...filter.org>,
        Jozsef Kadlecsik <kadlec@...filter.org>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        linux-hardening@...r.kernel.org, Kees Cook <keescook@...omium.org>,
        netfilter-devel@...r.kernel.org, coreteam@...filter.org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 1/7] netfilter: ipset: refactor deprecated strncpy

Justin Stitt <justinstitt@...gle.com> wrote:
> On Wed, Aug 9, 2023 at 1:19 PM Florian Westphal <fw@...len.de> wrote:
> >
> > Justin Stitt <justinstitt@...gle.com> wrote:
> > > Use `strscpy_pad` instead of `strncpy`.
> >
> > I don't think that any of these need zero-padding.
> It's a more consistent change with the rest of the series and I don't
> believe it has much different behavior to `strncpy` (other than
> NUL-termination) as that will continue to pad to `n` as well.
> 
> Do you think the `_pad` for 1/7, 6/7 and 7/7 should be changed back to
> `strscpy` in a v3? I really am shooting in the dark as it is quite
> hard to tell whether or not a buffer is expected to be NUL-padded or
> not.

No, you can keep it as-is.  Which tree are you targetting with this?

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