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 F0DEAC433EF for ; Thu, 5 May 2022 16:49:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1382063AbiEEQwq (ORCPT ); Thu, 5 May 2022 12:52:46 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42340 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S244049AbiEEQwn (ORCPT ); Thu, 5 May 2022 12:52:43 -0400 Received: from out02.mta.xmission.com (out02.mta.xmission.com [166.70.13.232]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D939157B14; Thu, 5 May 2022 09:49:03 -0700 (PDT) Received: from in02.mta.xmission.com ([166.70.13.52]:41442) by out02.mta.xmission.com with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.93) (envelope-from ) id 1nmeey-006uoh-6M; Thu, 05 May 2022 10:49:00 -0600 Received: from ip68-227-174-4.om.om.cox.net ([68.227.174.4]:37064 helo=email.froward.int.ebiederm.org.xmission.com) by in02.mta.xmission.com with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.93) (envelope-from ) id 1nmeex-0031MX-9y; Thu, 05 May 2022 10:48:59 -0600 From: "Eric W. Biederman" To: Sebastian Andrzej Siewior Cc: linux-kernel@vger.kernel.org, rjw@rjwysocki.net, Oleg Nesterov , mingo@kernel.org, vincent.guittot@linaro.org, dietmar.eggemann@arm.com, rostedt@goodmis.org, mgorman@suse.de, Will Deacon , tj@kernel.org, linux-pm@vger.kernel.org, Peter Zijlstra , Richard Weinberger , Anton Ivanov , Johannes Berg , linux-um@lists.infradead.org, Chris Zankel , Max Filippov , linux-xtensa@linux-xtensa.org, Kees Cook , Jann Horn , linux-ia64@vger.kernel.org References: <87k0b0apne.fsf_-_@email.froward.int.ebiederm.org> <20220504224058.476193-9-ebiederm@xmission.com> Date: Thu, 05 May 2022 11:48:34 -0500 In-Reply-To: (Sebastian Andrzej Siewior's message of "Thu, 5 May 2022 14:50:31 +0200") Message-ID: <87ee189b8d.fsf@email.froward.int.ebiederm.org> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.1 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-XM-SPF: eid=1nmeex-0031MX-9y;;;mid=<87ee189b8d.fsf@email.froward.int.ebiederm.org>;;;hst=in02.mta.xmission.com;;;ip=68.227.174.4;;;frm=ebiederm@xmission.com;;;spf=softfail X-XM-AID: U2FsdGVkX1++Z+axhusfo6JndgThNVMSOQtg9/DxfAc= X-SA-Exim-Connect-IP: 68.227.174.4 X-SA-Exim-Mail-From: ebiederm@xmission.com Subject: Re: [PATCH v3 09/11] ptrace: Don't change __state X-SA-Exim-Version: 4.2.1 (built Sat, 08 Feb 2020 21:53:50 +0000) X-SA-Exim-Scanned: Yes (on in02.mta.xmission.com) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Sebastian Andrzej Siewior writes: > On 2022-05-04 17:40:56 [-0500], Eric W. Biederman wrote: >> Stop playing with tsk->__state to remove TASK_WAKEKILL while a ptrace >> command is executing. >> >> Instead remove TASK_WAKEKILL from the definition of TASK_TRACED, and >> implemention a new jobctl flag TASK_PTRACE_FROZEN. This new flag is > implement ? Yes. Thank you. Eric From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from out02.mta.xmission.com ([166.70.13.232]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nmef4-00GvXe-Pf for linux-um@lists.infradead.org; Thu, 05 May 2022 16:49:08 +0000 From: "Eric W. Biederman" References: <87k0b0apne.fsf_-_@email.froward.int.ebiederm.org> <20220504224058.476193-9-ebiederm@xmission.com> Date: Thu, 05 May 2022 11:48:34 -0500 In-Reply-To: (Sebastian Andrzej Siewior's message of "Thu, 5 May 2022 14:50:31 +0200") Message-ID: <87ee189b8d.fsf@email.froward.int.ebiederm.org> MIME-Version: 1.0 Subject: Re: [PATCH v3 09/11] ptrace: Don't change __state List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-um" Errors-To: linux-um-bounces+geert=linux-m68k.org@lists.infradead.org To: Sebastian Andrzej Siewior Cc: linux-kernel@vger.kernel.org, rjw@rjwysocki.net, Oleg Nesterov , mingo@kernel.org, vincent.guittot@linaro.org, dietmar.eggemann@arm.com, rostedt@goodmis.org, mgorman@suse.de, Will Deacon , tj@kernel.org, linux-pm@vger.kernel.org, Peter Zijlstra , Richard Weinberger , Anton Ivanov , Johannes Berg , linux-um@lists.infradead.org, Chris Zankel , Max Filippov , linux-xtensa@linux-xtensa.org, Kees Cook , Jann Horn , linux-ia64@vger.kernel.org Sebastian Andrzej Siewior writes: > On 2022-05-04 17:40:56 [-0500], Eric W. Biederman wrote: >> Stop playing with tsk->__state to remove TASK_WAKEKILL while a ptrace >> command is executing. >> >> Instead remove TASK_WAKEKILL from the definition of TASK_TRACED, and >> implemention a new jobctl flag TASK_PTRACE_FROZEN. This new flag is > implement ? Yes. Thank you. Eric _______________________________________________ linux-um mailing list linux-um@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-um From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Eric W. Biederman" Date: Thu, 05 May 2022 16:48:34 +0000 Subject: Re: [PATCH v3 09/11] ptrace: Don't change __state Message-Id: <87ee189b8d.fsf@email.froward.int.ebiederm.org> List-Id: References: <87k0b0apne.fsf_-_@email.froward.int.ebiederm.org> <20220504224058.476193-9-ebiederm@xmission.com> In-Reply-To: (Sebastian Andrzej Siewior's message of "Thu, 5 May 2022 14:50:31 +0200") MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Sebastian Andrzej Siewior Cc: linux-kernel@vger.kernel.org, rjw@rjwysocki.net, Oleg Nesterov , mingo@kernel.org, vincent.guittot@linaro.org, dietmar.eggemann@arm.com, rostedt@goodmis.org, mgorman@suse.de, Will Deacon , tj@kernel.org, linux-pm@vger.kernel.org, Peter Zijlstra , Richard Weinberger , Anton Ivanov , Johannes Berg , linux-um@lists.infradead.org, Chris Zankel , Max Filippov , linux-xtensa@linux-xtensa.org, Kees Cook , Jann Horn , linux-ia64@vger.kernel.org Sebastian Andrzej Siewior writes: > On 2022-05-04 17:40:56 [-0500], Eric W. Biederman wrote: >> Stop playing with tsk->__state to remove TASK_WAKEKILL while a ptrace >> command is executing. >> >> Instead remove TASK_WAKEKILL from the definition of TASK_TRACED, and >> implemention a new jobctl flag TASK_PTRACE_FROZEN. This new flag is > implement ? Yes. Thank you. Eric