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Biederman" Cc: linux-kernel@vger.kernel.org, Linus Torvalds , Alexey Gladkov , Kyle Huey , Kees Cook , Al Viro , linux-api@vger.kernel.org, Jens Axboe Subject: Re: [PATCH 1/2] ptrace: Move setting/clearing ptrace_message into ptrace_stop Message-ID: <20220317174648.GA13318@redhat.com> References: <87a6ha4zsd.fsf@email.froward.int.ebiederm.org> <87bl1kunjj.fsf@email.froward.int.ebiederm.org> <87r19opkx1.fsf_-_@email.froward.int.ebiederm.org> <87o82gdlu9.fsf_-_@email.froward.int.ebiederm.org> <87tubyx0rg.fsf_-_@email.froward.int.ebiederm.org> <87bky67qfv.fsf_-_@email.froward.int.ebiederm.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <87bky67qfv.fsf_-_@email.froward.int.ebiederm.org> User-Agent: Mutt/1.5.24 (2015-08-30) X-Scanned-By: MIMEDefang 2.79 on 10.11.54.5 X-Spam-Status: No, score=-3.6 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE, RCVD_IN_MSPIKE_H5,RCVD_IN_MSPIKE_WL,SPF_HELO_NONE,SPF_NONE, T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 03/15, Eric W. Biederman wrote: > > there are places > that set ptrace_message and don't clear it, and places that never set > it. Yes, I too never understood this. So I obviously like this change. The only problem (as usual) is that we can never know if something depends on this old (and strange) behaviour. Acked-by: Oleg Nesterov