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=-5.5 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED,USER_AGENT_MUTT autolearn=ham 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 7C19FC43387 for ; Fri, 11 Jan 2019 15:39:19 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 562D920836 for ; Fri, 11 Jan 2019 15:39:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731241AbfAKPjS (ORCPT ); Fri, 11 Jan 2019 10:39:18 -0500 Received: from mx1.redhat.com ([209.132.183.28]:40162 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728632AbfAKPjS (ORCPT ); Fri, 11 Jan 2019 10:39:18 -0500 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id E3EA58666B; Fri, 11 Jan 2019 15:39:17 +0000 (UTC) Received: from dhcp-27-174.brq.redhat.com (unknown [10.43.17.47]) by smtp.corp.redhat.com (Postfix) with SMTP id CCBDD5D9C7; Fri, 11 Jan 2019 15:39:16 +0000 (UTC) Received: by dhcp-27-174.brq.redhat.com (nbSMTP-1.00) for uid 1000 oleg@redhat.com; Fri, 11 Jan 2019 16:39:17 +0100 (CET) Date: Fri, 11 Jan 2019 16:39:16 +0100 From: Oleg Nesterov To: Andrew Morton Cc: Andrei Vagin , linux-kernel@vger.kernel.org, "Eric W. Biederman" Subject: Re: [PATCH v2] kernel: release ptraced tasks before zap_pid_ns_processes Message-ID: <20190111153915.GA31013@redhat.com> References: <20190110175200.12442-1-avagin@gmail.com> <20190110153747.75787a99b380f415ee38d145@linux-foundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190110153747.75787a99b380f415ee38d145@linux-foundation.org> User-Agent: Mutt/1.5.24 (2015-08-30) X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.26]); Fri, 11 Jan 2019 15:39:18 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 01/10, Andrew Morton wrote: > > > Fixes: 7c8bd2322c7f ("exit: ptrace: shift "reap dead" code from exit_ptrace() to forget_original_parent()") > > > > Cc: "Eric W. Biederman" > > Cc: Andrew Morton > > Signed-off-by: Oleg Nesterov > > Signed-off-by: Andrei Vagin > > Does this warrant a -stable backport? 7c8bd2322c7f was 4+ years ago... Agreed, the problem is trivially reproducible. Oleg.