From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2D0BEC433EF for ; Mon, 24 Jan 2022 12:10:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238294AbiAXMKQ (ORCPT ); Mon, 24 Jan 2022 07:10:16 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60058 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238278AbiAXMKN (ORCPT ); Mon, 24 Jan 2022 07:10:13 -0500 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7C113C06173B; Mon, 24 Jan 2022 04:10:13 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 38D72B80F91; Mon, 24 Jan 2022 12:10:12 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPS id E0ACAC340EB; Mon, 24 Jan 2022 12:10:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1643026210; bh=IfvTnE0SElEHHi2ltg3BcoNG0+vnUbVnatoPsazTfrA=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=ZLj8jiXKiBJXx4rz5XwFYC7F2XjUZnGHfOJboWp8mjLqhmW+yZQD2itVrdnb1VIft GLVgY46o0Dbbn16NiSQTZDOtYXLvfTl4mRvhnEYve2lkrO5A6wUomuuA24A2RoeKd1 knerznu2BY2pSImVwzTmYwOgRrz+vPrC6/wNAZs7wttp3q7XJmUK6lNRkgqiSAJkYN SN2ldaD2kxs8bUffx/pGX/6MHRAca7Nc2jjiTKmEWfBjeu50AdkX4FboYaQ0CQsL/O aguooll5IwUjpo613xGDw/Qjzaq8PSzh8tP1s6p5GkgS4K9p4KnEU4MbCPQSrszpWo lxEejI2Tu2KMw== Received: from aws-us-west-2-korg-oddjob-1.ci.codeaurora.org (localhost.localdomain [127.0.0.1]) by aws-us-west-2-korg-oddjob-1.ci.codeaurora.org (Postfix) with ESMTP id C3CDFC395DF; Mon, 24 Jan 2022 12:10:10 +0000 (UTC) Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH net v2] net/smc: Transitional solution for clcsock race issue From: patchwork-bot+netdevbpf@kernel.org Message-Id: <164302621079.19022.3641686752810483922.git-patchwork-notify@kernel.org> Date: Mon, 24 Jan 2022 12:10:10 +0000 References: <1642844589-23022-1-git-send-email-guwen@linux.alibaba.com> In-Reply-To: <1642844589-23022-1-git-send-email-guwen@linux.alibaba.com> To: Wen Gu Cc: kgraul@linux.ibm.com, davem@davemloft.net, kuba@kernel.org, linux-s390@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-s390@vger.kernel.org Hello: This patch was applied to netdev/net.git (master) by David S. Miller : On Sat, 22 Jan 2022 17:43:09 +0800 you wrote: > We encountered a crash in smc_setsockopt() and it is caused by > accessing smc->clcsock after clcsock was released. > > BUG: kernel NULL pointer dereference, address: 0000000000000020 > #PF: supervisor read access in kernel mode > #PF: error_code(0x0000) - not-present page > PGD 0 P4D 0 > Oops: 0000 [#1] PREEMPT SMP PTI > CPU: 1 PID: 50309 Comm: nginx Kdump: loaded Tainted: G E 5.16.0-rc4+ #53 > RIP: 0010:smc_setsockopt+0x59/0x280 [smc] > Call Trace: > > __sys_setsockopt+0xfc/0x190 > __x64_sys_setsockopt+0x20/0x30 > do_syscall_64+0x34/0x90 > entry_SYSCALL_64_after_hwframe+0x44/0xae > RIP: 0033:0x7f16ba83918e > > > [...] Here is the summary with links: - [net,v2] net/smc: Transitional solution for clcsock race issue https://git.kernel.org/netdev/net/c/c0bf3d8a943b You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html