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Message-ID: <CA+ASDXPak0M4zSwiTFpkRxw_WOmBmKJUTi9i5wCOY89fiP1vng@mail.gmail.com>
Date: Thu, 27 Jul 2023 10:30:29 -0700
From: Brian Norris <briannorris@...omium.org>
To: Kees Cook <keescook@...omium.org>
Cc: Kalle Valo <kvalo@...nel.org>,
Amitkumar Karwar <amitkarwar@...il.com>,
Ganapathi Bhat <ganapathi017@...il.com>,
Sharvari Harisangam <sharvari.harisangam@....com>,
Xinming Hu <huxinming820@...il.com>,
Azeem Shaikh <azeemshaikh38@...il.com>,
linux-hardening@...r.kernel.org, linux-wireless@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH] wifi: mwifiex: Replace strlcpy with strscpy
On Thu, Jul 27, 2023 at 10:04 AM Kees Cook <keescook@...omium.org> wrote:
>
> On Thu, Jul 27, 2023 at 07:02:31PM +0300, Kalle Valo wrote:
> > https://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next.git/commit/?id=caf9ead2c7d06fd7aa4cb48bd569ad61db9a0b4a
>
> For the patch you linked to -- it's okay to have lost the overflow
> detection and warning?
It's a fixed constant string being copied into a larger fixed array.
It really doesn't matter functionality-wise. At best, the error check
would be useful for human readers or automated tools. So I didn't
bother complaining one way or another, as it took enough tries for the
submitter to get things right in the first place.
Brian
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