linux-kernel - Re: [PATCH v5] misc: fastrpc: check qcom_scm_assign_mem() return in rpmsg

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Message-ID: <CAK+ZN9qAbX0+VeA-6DMJcSY6wehSvOdM9NGu53wRYoM0j5i8sQ@mail.gmail.com>
Date: Wed, 28 Jan 2026 10:34:20 +0800
From: Xingjing Deng <micro6947@...il.com>
To: Greg KH <gregkh@...uxfoundation.org>
Cc: Bjorn Andersson <andersson@...nel.org>, srini@...nel.org, amahesh@....qualcomm.com, 
	arnd@...db.de, dri-devel@...ts.freedesktop.org, linux-arm-msm@...r.kernel.org, 
	linux-kernel@...r.kernel.org, Xingjing Deng <xjdeng@...a.edu.cn>, stable@...r.kernel.org
Subject: Re: [PATCH v5] misc: fastrpc: check qcom_scm_assign_mem() return in rpmsg_probe

I got it, I'll note that this is a private static analysis tool, and
I'll release the next version of the patch

Xingjing Deng <micro6947@...il.com> 于2026年1月28日周三 10:29写道：
>
> I understand the current situation. I need to record which static
> analysis tool I used to identify this issue and clarify that no actual
> testing was performed. However, I have a question: my static analysis
> tool is not open-source, so how should I document this?
>
> Greg KH <gregkh@...uxfoundation.org> 于2026年1月27日周二 15:10写道：
> >
> > On Tue, Jan 27, 2026 at 10:18:38AM +0800, Xingjing Deng wrote:
> > > I identified this issue through static program analysis. All other
> > > callers of this function validate its return value, so I believe a
> > > validation check should also be added here.
> >
> > Please don't top-post :(
> >
> > Anyway, you MUST properly document the tools used to find issues like
> > this in your changelog text, as our rules require.  Please do so.
> >
> > thanks,
> >
> > greg k-h