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 3E08D20E309 for ; Thu, 6 Mar 2025 13:28:36 +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=1741267717; cv=none; b=kSgaCLPfEVXHDb3v7ZhrR7HCtVHNvOBuAzAuCQENgIH6v0lTjYf/MxqqLov5qKYn/2KGeu6xCN31WJxtGsUKcClVhnbzY6d3fyI/xObqhDDrYwE0MTzCKmtq4Z09rLBRrv7J0Z4vDmh3OFxCoYvkUSBi12LoBpYybGLi+CRQGx8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741267717; c=relaxed/simple; bh=SclYw0hWjNQbylhUxJDUXc0lpbZoVOc0TqCEB2fRKDs=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=ob4nlOfmzFcnMVPBWWfA44iJc6H4ZM2h88TAlT6SefhJVOgqa3fSAc5bAup+p6J3uJughGMEz+J3HyZjlOC6ghQLP6sRun2moVrMbjj45f9JxKUt5zyaqZk8VEJSErhjIatNL8DnvUO/ZXGEQKMWIlQxVGDF2LFVRvJtkPqWlhY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=JP2NnN1l; 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="JP2NnN1l" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3A8F6C4CEE0; Thu, 6 Mar 2025 13:28:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1741267716; bh=SclYw0hWjNQbylhUxJDUXc0lpbZoVOc0TqCEB2fRKDs=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=JP2NnN1l+Z5yY185K7GRn6qqhZ7denOrqg9ZWTlq3g0P1If0XaA5VU4RiwyCEXyT9 7HClfSyW6iBgfwtDvLhM47/IWYF/1nxQ+E9Q3HcumYw6AEMnqBhaqVHfsdRfoRa4xN Hb4NAPe9n5TpRNoo9/Xpu0VvUQggHjPdZ/LTaVMWubYHfaiUIBuP56aR4kFj/Ha1h5 gPO2aF0KEnk8Xcvrb9dtv/FjmUWdCrX9VUJQKdFZd9RJz/5MdUQ9jmHVSwqsHVBl2a tkc8z+5C5skuivLTi5g1kJOJ2XGfodAcFflFPI2XjDS9pWD9LrFeQITIUGPx0gvy/y Gpqq4hx3jAhZg== Date: Thu, 6 Mar 2025 15:28:31 +0200 From: Leon Romanovsky To: Cheng Xu Cc: jgg@ziepe.ca, linux-rdma@vger.kernel.org, KaiShen@linux.alibaba.com Subject: Re: [PATCH for-next] RDMA/erdma: Prevent use-after-free in erdma_accept_newconn() Message-ID: <20250306132831.GT1955273@unreal> References: <20250306120440.72792-1-chengyou@linux.alibaba.com> Precedence: bulk X-Mailing-List: linux-rdma@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: <20250306120440.72792-1-chengyou@linux.alibaba.com> On Thu, Mar 06, 2025 at 08:04:40PM +0800, Cheng Xu wrote: > After the erdma_cep_put(new_cep) being called, new_cep will be freed, > and the following dereference will cause a UAF problem. Fix this issue. > > Fixes: 920d93eac8b9 ("RDMA/erdma: Add connection management (CM) support") > Signed-off-by: Markus Elfring > Signed-off-by: Cheng Xu > --- > drivers/infiniband/hw/erdma/erdma_cm.c | 1 - > 1 file changed, 1 deletion(-) Applied as is. Thanks