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 X-Spam-Level: X-Spam-Status: No, score=-5.4 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id BE3C1C433E0 for ; Thu, 4 Feb 2021 01:41:00 +0000 (UTC) Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [63.128.21.124]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id D64F064F64 for ; Thu, 4 Feb 2021 01:40:59 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D64F064F64 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=huawei.com Authentication-Results: mail.kernel.org; spf=tempfail smtp.mailfrom=dm-devel-bounces@redhat.com Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-430-iUFp7oDzM1G4iSbTT6jJLw-1; Wed, 03 Feb 2021 20:40:57 -0500 X-MC-Unique: iUFp7oDzM1G4iSbTT6jJLw-1 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id C62B0801961; Thu, 4 Feb 2021 01:40:51 +0000 (UTC) Received: from colo-mx.corp.redhat.com (colo-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.21]) by smtp.corp.redhat.com (Postfix) with ESMTPS id B858C5D762; Thu, 4 Feb 2021 01:40:49 +0000 (UTC) Received: from lists01.pubmisc.prod.ext.phx2.redhat.com (lists01.pubmisc.prod.ext.phx2.redhat.com [10.5.19.33]) by colo-mx.corp.redhat.com (Postfix) with ESMTP id B04FB89DA; Thu, 4 Feb 2021 01:40:47 +0000 (UTC) Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.rdu2.redhat.com [10.11.54.5]) by lists01.pubmisc.prod.ext.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id 1141ej2V016978 for ; Wed, 3 Feb 2021 20:40:45 -0500 Received: by smtp.corp.redhat.com (Postfix) id 45113F8096; Thu, 4 Feb 2021 01:40:45 +0000 (UTC) Received: from mimecast-mx02.redhat.com (mimecast04.extmail.prod.ext.rdu2.redhat.com [10.11.55.20]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 3F26CF8832 for ; Thu, 4 Feb 2021 01:40:43 +0000 (UTC) Received: from us-smtp-1.mimecast.com (us-smtp-delivery-1.mimecast.com [207.211.31.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 1C96C101A53A for ; Thu, 4 Feb 2021 01:40:43 +0000 (UTC) Received: from szxga05-in.huawei.com (szxga05-in.huawei.com [45.249.212.191]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-381-OKeTbOZHMsie1JELC2lugA-1; Wed, 03 Feb 2021 20:40:40 -0500 X-MC-Unique: OKeTbOZHMsie1JELC2lugA-1 Received: from DGGEMS411-HUB.china.huawei.com (unknown [172.30.72.60]) by szxga05-in.huawei.com (SkyGuard) with ESMTP id 4DWLmw0yfyzMVDs; Thu, 4 Feb 2021 09:38:56 +0800 (CST) Received: from [10.174.178.113] (10.174.178.113) by DGGEMS411-HUB.china.huawei.com (10.3.19.211) with Microsoft SMTP Server id 14.3.498.0; Thu, 4 Feb 2021 09:40:34 +0800 To: Martin Wilck , Benjamin Marzinski , Christophe Varoqui References: <20210128210852.23207-1-mwilck@suse.com> <99488b1b-2339-338d-e951-0b8f3e78449b@huawei.com> From: lixiaokeng Message-ID: <45fe03c8-1cc0-4318-ae84-698959667a6b@huawei.com> Date: Thu, 4 Feb 2021 09:40:34 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: X-Originating-IP: [10.174.178.113] X-CFilter-Loop: Reflected X-Mimecast-Impersonation-Protect: Policy=CLT - Impersonation Protection Definition; Similar Internal Domain=false; Similar Monitored External Domain=false; Custom External Domain=false; Mimecast External Domain=false; Newly Observed Domain=false; Internal User Name=false; Custom Display Name List=false; Reply-to Address Mismatch=false; Targeted Threat Dictionary=false; Mimecast Threat Dictionary=false; Custom Threat Dictionary=false X-Scanned-By: MIMEDefang 2.79 on 10.11.54.5 X-loop: dm-devel@redhat.com Cc: dm-devel@redhat.com Subject: Re: [dm-devel] [PATCH] multipathd: avoid crash in uevent_cleanup() X-BeenThere: dm-devel@redhat.com X-Mailman-Version: 2.1.12 Precedence: junk List-Id: device-mapper development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dm-devel-bounces@redhat.com Errors-To: dm-devel-bounces@redhat.com X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=dm-devel-bounces@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Language: en-GB Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit On 2021/2/3 21:57, Martin Wilck wrote: >> If exit() before all pthread_cancel in child of 0.7.7, there is no >> any crash. > What do you mean with "exit() before all pthread_cancel"? If this > happens on pthread_cancel(), and you don't call that function, this > would actually be expected. When running_state is DAEMON_SHUTDOWN, break while then _exit(0). But is is not a great method. Regards, Lixiaokeng -- dm-devel mailing list dm-devel@redhat.com https://www.redhat.com/mailman/listinfo/dm-devel