linux-kernel - Re: [PATCH v3] misc: fastrpc: possible double-free of cctx->remote

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Message-ID: <2026012748-unblock-vacation-70b8@gregkh>
Date: Tue, 27 Jan 2026 08:11:35 +0100
From: Greg KH <gregkh@...uxfoundation.org>
To: Xingjing Deng <micro6947@...il.com>
Cc: 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 v3] misc: fastrpc: possible double-free of
 cctx->remote_heap

On Tue, Jan 27, 2026 at 10:19:50AM +0800, Xingjing Deng wrote:
> This issue was also identified through static program analysis and
> subsequently verified via manual inspection. I believe I have
> uncovered a potential risk of abnormal execution here, hence I’m
> reporting this problem.

Again, you need to document this fact, please read the rules for
submitting patches that are found by tools.  And say you have not tested
this, because that means there is a much lower chance that the change is
correct.

thanks,

greg k-h