From patchwork Tue Aug 23 13:37:53 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Liu Jian X-Patchwork-Id: 12952331 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 86FD0C32789 for ; Tue, 23 Aug 2022 17:07:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S245654AbiHWRHd (ORCPT ); Tue, 23 Aug 2022 13:07:33 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47962 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1345002AbiHWRGP (ORCPT ); Tue, 23 Aug 2022 13:06:15 -0400 Received: from szxga02-in.huawei.com (szxga02-in.huawei.com [45.249.212.188]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 23AB2152C5F for ; Tue, 23 Aug 2022 06:35:09 -0700 (PDT) Received: from canpemm500010.china.huawei.com (unknown [172.30.72.53]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4MBqrn0wwlzlWRV; Tue, 23 Aug 2022 21:31:53 +0800 (CST) Received: from huawei.com (10.175.101.6) by canpemm500010.china.huawei.com (7.192.105.118) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Tue, 23 Aug 2022 21:35:05 +0800 From: Liu Jian To: , , , , , , , , , , , , , , , , , , , , CC: Subject: [PATCH bpf-next v2 0/2] If the sock is dead, do not access sock's sk_wq in sk_stream_wait_memory Date: Tue, 23 Aug 2022 21:37:53 +0800 Message-ID: <20220823133755.314697-1-liujian56@huawei.com> X-Mailer: git-send-email 2.17.1 MIME-Version: 1.0 X-Originating-IP: [10.175.101.6] X-ClientProxiedBy: dggems706-chm.china.huawei.com (10.3.19.183) To canpemm500010.china.huawei.com (7.192.105.118) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org X-Patchwork-Delegate: bpf@iogearbox.net If the sock is dead, do not access sock's sk_wq in sk_stream_wait_memory v1->v2: As Jakub's suggested, check sock's DEAD flag before accessing the wait queue. Liu Jian (2): net: If the sock is dead, do not access sock's sk_wq in sk_stream_wait_memory selftests/bpf: Add wait send memory test for sockmap redirect net/core/stream.c | 3 +- tools/testing/selftests/bpf/test_sockmap.c | 42 ++++++++++++++++++++++ 2 files changed, 44 insertions(+), 1 deletion(-)