From patchwork Thu Aug 20 09:20:05 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg Kroah-Hartman X-Patchwork-Id: 265294 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=-12.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable 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 63059C433DF for ; Thu, 20 Aug 2020 13:37:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3E6E022B3F for ; Thu, 20 Aug 2020 13:37:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1597930640; bh=kJJouGqpk7y9KGYIB/qSQlzNKFugPURJbr0dDf5g/yA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=vmTxy0PyrwAZiLkvG6737/T/1TzYUUrTDS1pXcGiOwVwzuZq33cnLQYeOulxEa5EE F5KDYz3Kck/GD8PT5WIfVv4+bt+jwUCiNlIJeZZj1itCTDbD/ljRwxxV9Dih2hkbpk 9NkTi1H7mucb3aLzPo92jwMRk3ICcdsCXAtuEg3Y= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730236AbgHTNda (ORCPT ); Thu, 20 Aug 2020 09:33:30 -0400 Received: from mail.kernel.org ([198.145.29.99]:41904 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728190AbgHTJau (ORCPT ); Thu, 20 Aug 2020 05:30:50 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 75523207DE; Thu, 20 Aug 2020 09:30:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1597915849; bh=kJJouGqpk7y9KGYIB/qSQlzNKFugPURJbr0dDf5g/yA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=N0YkF4dUR4AcpAj0qzjv3EwIrbuaCM/4kTsWMyH651WyJDJINAlH/Z0j8LPWP9VTk A4scw0gWOCBjMXzWLYhAKnVBIlYeu+gVN5C6NxTDBGzecZjHXzRawVxf2idme6+5Eu 9qy10tSyrLil7WyaWxMaFXBlySmFkokpRRdg9gtU= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, "Aneesh Kumar K.V" , Michael Ellerman , Sasha Levin Subject: [PATCH 5.8 154/232] selftests/powerpc: ptrace-pkey: Dont update expected UAMOR value Date: Thu, 20 Aug 2020 11:20:05 +0200 Message-Id: <20200820091620.269436164@linuxfoundation.org> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20200820091612.692383444@linuxfoundation.org> References: <20200820091612.692383444@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Aneesh Kumar K.V [ Upstream commit 3563b9bea0ca7f53e4218b5e268550341a49f333 ] With commit 4a4a5e5d2aad ("powerpc/pkeys: key allocation/deallocation must not change pkey registers") we are not updating UAMOR on key allocation. So don't update the expected uamor value in the test. Fixes: 4a4a5e5d2aad ("powerpc/pkeys: key allocation/deallocation must not change pkey registers") Signed-off-by: Aneesh Kumar K.V Signed-off-by: Michael Ellerman Link: https://lore.kernel.org/r/20200709032946.881753-23-aneesh.kumar@linux.ibm.com Signed-off-by: Sasha Levin --- tools/testing/selftests/powerpc/ptrace/ptrace-pkey.c | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-) diff --git a/tools/testing/selftests/powerpc/ptrace/ptrace-pkey.c b/tools/testing/selftests/powerpc/ptrace/ptrace-pkey.c index bc33d748d95b4..3694613f418f6 100644 --- a/tools/testing/selftests/powerpc/ptrace/ptrace-pkey.c +++ b/tools/testing/selftests/powerpc/ptrace/ptrace-pkey.c @@ -101,15 +101,20 @@ static int child(struct shared_info *info) */ info->invalid_amr = info->amr2 | (~0x0UL & ~info->expected_uamor); + /* + * if PKEY_DISABLE_EXECUTE succeeded we should update the expected_iamr + */ if (disable_execute) info->expected_iamr |= 1ul << pkeyshift(pkey1); else info->expected_iamr &= ~(1ul << pkeyshift(pkey1)); - info->expected_iamr &= ~(1ul << pkeyshift(pkey2) | 1ul << pkeyshift(pkey3)); + /* + * We allocated pkey2 and pkey 3 above. Clear the IAMR bits. + */ + info->expected_iamr &= ~(1ul << pkeyshift(pkey2)); + info->expected_iamr &= ~(1ul << pkeyshift(pkey3)); - info->expected_uamor |= 3ul << pkeyshift(pkey1) | - 3ul << pkeyshift(pkey2); /* * Create an IAMR value different from expected value. * Kernel will reject an IAMR and UAMOR change.