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(UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6E539C4CEE0; Thu, 6 Mar 2025 08:47:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1741250879; bh=J+PDjpUqfvf57ViyFi5yPq7UxVpHRWHfqW+jl+tEfWE=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=Clg2cLtdb6GNixf2GL7cU41I+Dixm63vAKvHkIx2m2D6kz5olpYI2+XvyNJPMpQts Ncl41mdckfamKfXDNI4ua9AB+VLwXgeMOuNck6dRLhY/6H837vexzW1SCNWdVVyEQX lE8LPPAhe6vZFKA59CjrjkdvyI2ErQ/wXY7JDQp2GnK+Ukfw2DGJLg8xmZSGE9HpO0 mTwBL0FGQ+/c5EAw0nEjsl9V7HvzvLk9WEwk7tXi2v+YSpQ5o4GwxN3UQNF+JFKMe7 8oUiZoGW3TvyYADzE9LiZeWkevy7yrr2q9BS4Rfrx1lAg4BX2E+txzEK1bbiS04O8A b/FcndbLFSksw== Date: Thu, 6 Mar 2025 10:47:54 +0200 From: Leon Romanovsky To: Cheng Xu , Markus Elfring Cc: kernel-janitors@vger.kernel.org, linux-rdma@vger.kernel.org, Cheng Xu , Jason Gunthorpe , Kai Shen , Yang Li , cocci@inria.fr, LKML , Christophe Leroy Message-ID: <20250306084754.GR1955273@unreal> References: <167179d0-e1ea-39a8-4143-949ad57294c2@linux.alibaba.com> <20a1a47c-8906-44e8-92e6-9b3e698b1491@web.de> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20a1a47c-8906-44e8-92e6-9b3e698b1491@web.de> X-Validation-by: victor.gambier@inria.fr Subject: Re: [cocci] [PATCH] RDMA/erdma: Prevent use-after-free in erdma_accept_newconn() Reply-To: Leon Romanovsky X-Loop: cocci@inria.fr X-Sequence: 2564 Errors-To: cocci-owner@inria.fr Precedence: list Precedence: bulk Sender: cocci-request@inria.fr X-no-archive: yes List-Id: List-Help: List-Subscribe: List-Unsubscribe: List-Post: List-Owner: List-Archive: Archived-At: On Wed, Mar 05, 2025 at 03:20:41PM +0100, Markus Elfring wrote: > From: Markus Elfring > Date: Wed, 5 Mar 2025 15:07:51 +0100 > > The implementation of the function “erdma_accept_newconn” contained > still the statement “new_cep->sock = NULL” after > the function call “erdma_cep_put(new_cep)”. > Thus delete an inappropriate reset action. > > Reported-by: Cheng Xu Cheng, please resubmit this patch, I'm experiencing the same issues as Christophe has here https://lore.kernel.org/all/20a1a47c-8906-44e8-92e6-9b3e698b1491@web.de and it looks like Markus continues do not listen to the feedback. Thanks 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 9C8C920551C; Thu, 6 Mar 2025 08:47:59 +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=1741250879; cv=none; b=sRwOQ0TDK073bLG6hn6QFrkhmj1exhYDcD7Y5Y88s88bVsd5NnNC+8YU2ngGdKCeTCZL+xHrogIjrbH5LeaD/7zUepPKHu3POu6RjRvwoI5Lnhvid/MvJeHWnUOhg3wZEWNtjEekLhRhvwLgHf1037M3Kr18/RhEjBrMdohDbAI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741250879; c=relaxed/simple; bh=J+PDjpUqfvf57ViyFi5yPq7UxVpHRWHfqW+jl+tEfWE=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=paKy6GxEd4238YywA6s1W0C+fCJP8eoL2x2FW58fE/ch3e9SFDRfB7OzO8JBqu/cU0dl5AeaplsO/nN8svXPqQSs/vhh2MxczGcfI7ltmbJKQKOitSj93TCDa80epjPKPC6ykTRSzwBhhPbOj1no3UU+MtpH+ztmANu9tZNQdL4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Clg2cLtd; 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="Clg2cLtd" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6E539C4CEE0; Thu, 6 Mar 2025 08:47:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1741250879; bh=J+PDjpUqfvf57ViyFi5yPq7UxVpHRWHfqW+jl+tEfWE=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=Clg2cLtdb6GNixf2GL7cU41I+Dixm63vAKvHkIx2m2D6kz5olpYI2+XvyNJPMpQts Ncl41mdckfamKfXDNI4ua9AB+VLwXgeMOuNck6dRLhY/6H837vexzW1SCNWdVVyEQX lE8LPPAhe6vZFKA59CjrjkdvyI2ErQ/wXY7JDQp2GnK+Ukfw2DGJLg8xmZSGE9HpO0 mTwBL0FGQ+/c5EAw0nEjsl9V7HvzvLk9WEwk7tXi2v+YSpQ5o4GwxN3UQNF+JFKMe7 8oUiZoGW3TvyYADzE9LiZeWkevy7yrr2q9BS4Rfrx1lAg4BX2E+txzEK1bbiS04O8A b/FcndbLFSksw== Date: Thu, 6 Mar 2025 10:47:54 +0200 From: Leon Romanovsky To: Cheng Xu , Markus Elfring Cc: kernel-janitors@vger.kernel.org, linux-rdma@vger.kernel.org, Cheng Xu , Jason Gunthorpe , Kai Shen , Yang Li , cocci@inria.fr, LKML , Christophe Leroy Subject: Re: [PATCH] RDMA/erdma: Prevent use-after-free in erdma_accept_newconn() Message-ID: <20250306084754.GR1955273@unreal> References: <167179d0-e1ea-39a8-4143-949ad57294c2@linux.alibaba.com> <20a1a47c-8906-44e8-92e6-9b3e698b1491@web.de> Precedence: bulk X-Mailing-List: kernel-janitors@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20a1a47c-8906-44e8-92e6-9b3e698b1491@web.de> On Wed, Mar 05, 2025 at 03:20:41PM +0100, Markus Elfring wrote: > From: Markus Elfring > Date: Wed, 5 Mar 2025 15:07:51 +0100 > > The implementation of the function “erdma_accept_newconn” contained > still the statement “new_cep->sock = NULL” after > the function call “erdma_cep_put(new_cep)”. > Thus delete an inappropriate reset action. > > Reported-by: Cheng Xu Cheng, please resubmit this patch, I'm experiencing the same issues as Christophe has here https://lore.kernel.org/all/20a1a47c-8906-44e8-92e6-9b3e698b1491@web.de and it looks like Markus continues do not listen to the feedback. Thanks