linux-hardening - Re: [PATCH v2] NFSD: Remove all occurences of strlcpy

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Date:   Sun, 14 May 2023 18:30:58 +0000
From:   Chuck Lever III <chuck.lever@...cle.com>
To:     Azeem Shaikh <azeemshaikh38@...il.com>
CC:     Jeff Layton <jlayton@...nel.org>,
        "linux-hardening@...r.kernel.org" <linux-hardening@...r.kernel.org>,
        Kees Cook <keescook@...omium.org>,
        Linux NFS Mailing List <linux-nfs@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2] NFSD: Remove all occurences of strlcpy



> On May 13, 2023, at 10:44 PM, Azeem Shaikh <azeemshaikh38@...il.com> wrote:
> 
>>> No, I plan to land this patch before attempting to fix __assign_str itself.
>>> Let me know if the below description looks good to you and I'll send
>>> over a v3 patch:
>>> 
>>> [PATCH v3] NFSD: Remove open coding of string copy
>>> 
>>> Instead of open coding a __dynamic_array(), use the __string() and
>>> __assign_str()
>>> helper macros that exist for this kind of use case.
>>> 
>>> Part of an effort to remove deprecated strlcpy() [1] completely from the
>>> kernel[2].
>>> 
>>> [1] https://www.kernel.org/doc/html/latest/process/deprecated.html#strlcpy
>>> [2] https://github.com/KSPP/linux/issues/89
>>> 
>>> Fixes: 3c92fba557c6 ("NFSD: Enhance the nfsd_cb_setup tracepoint")
>>> Signed-off-by: Azeem Shaikh <azeemshaikh38@...il.com>
>> 
>> This looks good to me. So you'd like me to take this through
>> the nfsd tree, possibly for 6.4-rc ?
>> 
> 
> This is my first week contributing to the Linux kernel so I might be
> miscommunicating :)
> By "land this patch", I meant to get this patch into to the nfsd tree.
> I'll leave it up to you when you push it through to the mainline tree.
> Although, it would be great to get this through to 6.4-rc if that's at
> all possible.

Please send v3 along, and I will apply it to nfsd-fixes.


--
Chuck Lever