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=-3.9 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS 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 EFA80C433E1 for ; Fri, 21 Aug 2020 00:35:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CE241206FA for ; Fri, 21 Aug 2020 00:35:16 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="MdX1FPOy"; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="t6xUeXyf" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726819AbgHUAfO (ORCPT ); Thu, 20 Aug 2020 20:35:14 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56016 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725834AbgHUAfM (ORCPT ); Thu, 20 Aug 2020 20:35:12 -0400 Received: from galois.linutronix.de (Galois.linutronix.de [IPv6:2a0a:51c0:0:12e:550::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A5E9BC061385; Thu, 20 Aug 2020 17:35:12 -0700 (PDT) From: Thomas Gleixner DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1597970110; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=CBDexs66vqBYeFASer32vxMMGyHLUgHm10rev+jFjtU=; b=MdX1FPOyz46JiLnFQmlox6VmRXmw+sspJ063bSB7c5e1/sO3SWrMPSv5ovGRbkpbjxRdg0 ZFgOnfi32c63fgS9NXSegLUG4UFS4VBvI8tknHXqdIEP6cGLo4AZF+m0IX//mBnpA2aOlV 8lWGUqOtTn0tvmJcCtuUcm8wPqcQ2rC6ePZUuLCvxxVlQuGKoxZaUl2F41axoss5JHhZbZ LFFeuF4uqMNxmAwYMpyt5MfM5mdQe+BF5vozEjtwbgWdo0zL5ECRaaSpA9MwOCzyxxnaed xCiXGx8ABZkYmM9VNcpmbxFXExfWom3mtrc/xX54fZcnHPzjCklTlZf2/EXP1A== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1597970110; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=CBDexs66vqBYeFASer32vxMMGyHLUgHm10rev+jFjtU=; b=t6xUeXyfDVYrPKgzb2eGiDgeA7x4MjY0Qgb9L5OHwR/0wbs3mII0A2FdgMfbChZZbvnNnE TkHuI3rPECa/tcDA== To: Kees Cook Cc: Kyle Huey , Robert O'Callahan , LKML , "maintainer\:X86 ARCHITECTURE \(32-BIT AND 64-BIT\)" , linux-arch@vger.kernel.org, Will Deacon , Arnd Bergmann , Mark Rutland , Keno Fischer , Paolo Bonzini , kvm list , Gabriel Krisman Bertazi , Sean Christopherson Subject: Re: [REGRESSION] x86/entry: Tracer no longer has opportunity to change the syscall number at entry via orig_ax In-Reply-To: <202008201404.6A0D5736@keescook> References: <87blj6ifo8.fsf@nanos.tec.linutronix.de> <202008201404.6A0D5736@keescook> Date: Fri, 21 Aug 2020 02:35:10 +0200 Message-ID: <87364gj0ox.fsf@nanos.tec.linutronix.de> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Aug 20 2020 at 14:09, Kees Cook wrote: > On Wed, Aug 19, 2020 at 09:44:39PM +0200, Thomas Gleixner wrote: >> My fault and I have no idead why none of the silly test cases >> noticed. Fix below. > > Hmm, which were you trying? Looking just now, I see that the seccomp > selftests were failing for all their syscall-changing tests. /me feels stupid It's probably all caused by the heat wave which made my brain operate outside of the specified temperature range. Thanks, tglx