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 8AB1F1EB9F5; Fri, 8 Nov 2024 13:34:30 +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=1731072870; cv=none; b=pZgMPUfvXKWJkn1l0L94s8PLuVnFEdAq3JtWcRkB4xe4hUlA1zQ1l2X0HuiCkL2INsqUvz1gP5VuoNzcIW6GwYND+XtLpETP848bSax2EUGEtOOY3uXTOgzpLY61gC39unkyjCY7Ji6dyjb4JMgS2RYfji6ILBAe3Tn/vzs8EGs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1731072870; c=relaxed/simple; bh=OkRh3lQ01rp+XrQxiTjUJ4feI+k1N+Wux0C2kgIhSOU=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=FbM02f5CYd/CmMmEk7TVWzqLT2YZBHHjqqgMnoqAePcmvlsl787gMomCCQ81hC+X/z647l/AvYeiemNzDIuoeFJOPZSJWN4RLsFnylRP358W3TqQ5ANtfNBKuks+P8ZDk4oAUutHBQbtCT/KtD+G7NmStqn1+spmkgBO+tJXVKA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=lRL9c8xd; 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="lRL9c8xd" Received: by smtp.kernel.org (Postfix) with ESMTPSA id AE96AC4CECD; Fri, 8 Nov 2024 13:34:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1731072870; bh=OkRh3lQ01rp+XrQxiTjUJ4feI+k1N+Wux0C2kgIhSOU=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=lRL9c8xdR2oOyeB7wpNaK7Y6NNDibQopvqE1CdvDsqPr0GZtZD8dM+7NBEe0dQFdx uBJoQ6ftzFS7Mu/FuRj2zY9A0rouCd8tVl50c/UXZGRCMyzyt0aLBG5mRV1zqzudOq gZYOPu5mq+vvTIIfbYnhoGwYRq5JN8BH23Nq6fiea//Oe/zPxOZ21EnBlVfGY93aRQ dSGfiOhZE7qhOfa+Y1xFOJKWXroEwR15LUrhg4P8Ymh8WVadff7brOGfpfrZ05BpUU uzC/H9QkghdJSl438D3L289Kp77c6BjmbBmvuX2CQSu7pDMiP504EwI6iKGatG8NdY n80RsRB4afdPA== Date: Fri, 8 Nov 2024 13:34:25 +0000 From: Simon Horman To: Tuo Li Cc: ayush.sawal@chelsio.com, andrew+netdev@lunn.ch, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, almasrymina@google.com, dtatulea@nvidia.com, jacob.e.keller@intel.com, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, baijiaju1990@gmail.com Subject: Re: [PATCH] chcr_ktls: fix a possible null-pointer dereference in chcr_ktls_dev_add() Message-ID: <20241108133425.GC4507@kernel.org> References: <20241030132352.154488-1-islituo@gmail.com> <20241104160713.GE2118587@kernel.org> Precedence: bulk X-Mailing-List: netdev@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: On Tue, Nov 05, 2024 at 07:32:31AM +0800, Tuo Li wrote: > Hi Simon, > > Thanks for your reply! It is very helpful. > Any further feedback will be appreciated. Hi Tuo Li, 1. Please don't top-post on Linux mailing lists. 2. I think you need to do some careful analysis to understand if the condition you are concerned about can occur or not: can u_ctx ever be NULL in these code paths?