From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E973F3793CF for ; Mon, 2 Feb 2026 16:10:14 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770048615; cv=none; b=gy6P6wRaWr2MfxFMBMi+ppP6ubSTanfkinnLKZhoG1XVuIclNkQ4YrZyNWZ7uKPOxaH93R3qqKMewdYCZwbjvorIvvflYACVyrrmJ1tJ7DmX7ygNMivkTs+jkKm9c6pfX6QXNA/4OfcHEAiBc56nxAmziHj7Q839qCr2yp/4E+M= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770048615; c=relaxed/simple; bh=9f2cQ+JTUDi5r2PU42FHIqeKjn3jU9sQjf7xROhquGk=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=aSyzSrcnSjDZ12gvcoHM7IiVr50v1NXVq5XhTTLtYT1XKagWiKFJkECkOGzoCNVB/VebBKEKaV0PirCgfTC/52VlhB5zgb9XgFMSiwGi/ZB0J5itddWHoiX7rVj1NY+gj2jdF2g2O57BQa/Tv/CWWqrR6he0yO7ZCqwsWCvRqQY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Hco48qHS; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="Hco48qHS" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 72F27C116C6; Mon, 2 Feb 2026 16:10:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1770048614; bh=9f2cQ+JTUDi5r2PU42FHIqeKjn3jU9sQjf7xROhquGk=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=Hco48qHS6q4lTNZ/IqEJHVYZpIqTNur2Ji+5GenPtTQbctvY6vmD70tbOSGanN964 KQ49GSrWTdRco4tZxisSR55kHr7sTvVx9CdR2RzfNDDzdk9mZ8hKtihsawAB1o8pBF uVNu+YgVdCeHntc5vccFJ9SqYhmD7b921usxEjI0M8n6Q4AB22M4q7p4PeoQ6/4Up7 5+SICC9haWM4Cq3oq6Rgmm2ecHHq6G+7j0APNhKlTsbcHGmnWxMyE4Bh3F4UOYEYLY sbLVzOwzOWSAeYzxtUGE9UpVciNFFKXJ/XYr1ZWuX1VL3sREMY9pLPlAy9kxh8TTTc yNVJI99lDOfVw== Date: Mon, 2 Feb 2026 09:10:12 -0700 From: Keith Busch To: Daniel Hodges Cc: axboe@kernel.dk, hch@lst.de, sagi@grimberg.me, linux-nvme@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] nvme-fabrics: use kfree_sensitive() for DHCHAP secrets Message-ID: References: <20260201030840.3173507-1-hodgesd@meta.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260201030840.3173507-1-hodgesd@meta.com> On Sat, Jan 31, 2026 at 07:08:40PM -0800, Daniel Hodges wrote: > The DHCHAP secrets (dhchap_secret and dhchap_ctrl_secret) contain > authentication key material for NVMe-oF. Use kfree_sensitive() instead > of kfree() in nvmf_free_options() to ensure secrets are zeroed before > the memory is freed, preventing recovery from freed pages. Thanks, applied to nvme-7.0.