linux-kernel - Re: [PATCH] mei: bus: Add newline to sysfs attribute outputs

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <59e1e555-ae29-46a8-b247-a2d986a1d26f@oss.qualcomm.com>
Date: Mon, 3 Nov 2025 21:43:19 +0800
From: Zhongqiu Han <zhongqiu.han@....qualcomm.com>
To: Greg KH <gregkh@...uxfoundation.org>
Cc: alexander.usyskin@...el.com, arnd@...db.de, linux-kernel@...r.kernel.org,
        zhongqiu.han@....qualcomm.com
Subject: Re: [PATCH] mei: bus: Add newline to sysfs attribute outputs

On 11/3/2025 8:25 AM, Greg KH wrote:
> On Thu, Oct 30, 2025 at 09:11:34PM +0800, Zhongqiu Han wrote:
>> On 10/30/2025 8:32 PM, Greg KH wrote:
>>> On Thu, Oct 30, 2025 at 08:30:00PM +0800, Zhongqiu Han wrote:
>>>> Append newline characters to sysfs_emit() outputs in func max_conn_show(),
>>>> fixed_show(), and vtag_show(). This aligns with common kernel conventions
>>>> and improves readability for userspace tools that expect
>>>> newline-terminated values.
>>>
>>> What userspace tool reads these values today?  Will this user/kernel api
>>> break them?  How was this tested?
>>>
>>> thanks,
>>>
>>> greg k-h
>>
>> Hi Greg,
>> Thanks for your review~
>>
>> Apologies for the confusion in the commit message — there isn't
>> actually a userspace tool that depends on the newline in this case. I
>> just made the change to follow common sysfs formatting practices and
>> improve consistency.
> 
> That's fine, but please work with the people that wrote the tools that
> depend on these files today to verify it will not break anything, and
> then resubmit the patch with that information in the changelog.
> 
> thanks,
> 
> greg k-h

Hi Greg,

Thank you for your feedback. I’m happy to work on this, but I’m
currently not aware of any userspace tools that depend on these sysfs
interfaces, so I can’t confirm the impact right now. I will check and
monitor it and make sure to verify before next resubmitting.


-- 
Thx and BRs,
Zhongqiu Han