From patchwork Thu Oct 12 08:17:39 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 151814 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a05:612c:2908:b0:403:3b70:6f57 with SMTP id ib8csp1064727vqb; Thu, 12 Oct 2023 01:18:01 -0700 (PDT) X-Google-Smtp-Source: AGHT+IFsxUtewWJ03mVZ9baw78J7NGalBDgux8sR4vnkt5tdoGqiqv81gqJjReTphcPuMJC2m8YW X-Received: by 2002:a17:90a:d10:b0:268:38a7:842e with SMTP id t16-20020a17090a0d1000b0026838a7842emr20628672pja.2.1697098681091; Thu, 12 Oct 2023 01:18:01 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1697098681; cv=none; d=google.com; s=arc-20160816; b=jNvJz79wqJ/qG+MlBrwo3wK8SAmlJNtxcoccSqd7bmvhfYF2d1ac5iXflxI8bGYnSb zK8DovXXpdxckLLgQibbUo/NidJEtUohdrnGPeMYO5Zu4kiWEcvbMTn6JOZJZ2zwh7Qp kN+V0/DFM0oW/CNNHEsmxQmYz8E6quBtwv8xX5twOzRjwinRY7JgbCynqf1ZuzDiW86v td0m1SsZ8sc64FfYTQZCzHgDVDu1OY68IzJzqqyg1QJ6V/HXLHWp7r+37J65eUV1PSQR /Y7Bmaa5uS5YkLW7jFrrcdc6q9HjZxPrn4qEFlv1Y7QrUfVJQEEvyDAQgvhxRN3xpa8d fPqw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:lines:mime-version :message-id:date:subject:cc:to:from:dkim-signature; bh=ILL0a8N2VR3FdBuqyUXbWkMP8TiGsFQZb0SetgTUA9g=; fh=gB+i9RkKrJFaQdAdb6ptgbZgBbufwduV8QjV7e0Zc5Q=; b=E8C2YY5lmOHT4bbIiXBmTpwQtO9HChR+vUlxzhnG3yS6BZDY4Py4U97czYAe0cGVac /rJ7m+9SVnpQY6cR1Yr0PE1SPn8Ndcb4OcbLR4x7LNcMbMbSh+vc+N9Ldz0ly1p7t1TF d24lJS1db4HAyJJDr7MVQi8O8BMKxD5hqndJhPOWnnKCR4QluOUGVLp47iCiCN9RUO03 /xrRoEDBLOkqmMDY7vhAdl72gZwsaiwB3BKqgjonqOtOYGU0VZ/swi5knLfNXQH8h7hd m8UFe30ITt73G1A6jjdlIBme5DJOzNIJSgooPEbSC9Kq49foAAuEEUC/VelhB7wJMKR8 EkGQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linuxfoundation.org header.s=korg header.b="Um/yzqpB"; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:5 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linuxfoundation.org Received: from groat.vger.email (groat.vger.email. [2620:137:e000::3:5]) by mx.google.com with ESMTPS id z5-20020a17090ad78500b0027d1567f5e6si1734499pju.133.2023.10.12.01.18.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 12 Oct 2023 01:18:01 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:5 as permitted sender) client-ip=2620:137:e000::3:5; Authentication-Results: mx.google.com; dkim=pass header.i=@linuxfoundation.org header.s=korg header.b="Um/yzqpB"; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:5 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linuxfoundation.org Received: from out1.vger.email (depot.vger.email [IPv6:2620:137:e000::3:0]) by groat.vger.email (Postfix) with ESMTP id ECD22802AFD9; Thu, 12 Oct 2023 01:17:58 -0700 (PDT) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.10 at groat.vger.email Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235381AbjJLIRt (ORCPT + 19 others); Thu, 12 Oct 2023 04:17:49 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34574 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235369AbjJLIRs (ORCPT ); Thu, 12 Oct 2023 04:17:48 -0400 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D9C0698; Thu, 12 Oct 2023 01:17:46 -0700 (PDT) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0ABBBC433C7; Thu, 12 Oct 2023 08:17:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1697098666; bh=kKM1/FVUExrLMQC4dwFAB0Kn9+SEc0qIzTH/g3iioCQ=; h=From:To:Cc:Subject:Date:From; b=Um/yzqpBM5ntawTnSotFLEFiZZdIgG3bpVBcUsAnGLZ0Di8jvo8eCbI/vN1fUs03y qE+QLVLDQ2aMovHAfxwH8ZHlCITLOTeTLE9vQWUGgWtlHpzvtjDmXxZ2R7nkqDB4pg PT3B1cP7LKpTlguNNk6CwshozRija+2c+F3aW4HY= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , Andrew Donnellan , Alexander Potapenko , Xiaoke Wang , stable@vger.kernel.org, Andrew Morton Subject: [PATCH] lib/test_meminit: fix off-by-one error in test_pages() Date: Thu, 12 Oct 2023 10:17:39 +0200 Message-ID: <2023101238-greasily-reiterate-aafc@gregkh> X-Mailer: git-send-email 2.42.0 MIME-Version: 1.0 Lines: 31 X-Developer-Signature: v=1; a=openpgp-sha256; l=1112; i=gregkh@linuxfoundation.org; h=from:subject:message-id; bh=kKM1/FVUExrLMQC4dwFAB0Kn9+SEc0qIzTH/g3iioCQ=; b=owGbwMvMwCRo6H6F97bub03G02pJDKnqqxeHlrRM3PrmvWQiy1SJN/HxhcHGUy/udA0+/EyQ4 yWT6fWijlgWBkEmBlkxRZYv23iO7q84pOhlaHsaZg4rE8gQBi5OAZiI1nWGBSsEGZ0fndaot27e eUxN63yq97niJoYF878r/tbcODk4oCLc3CT8u+XHnxu/AgA= X-Developer-Key: i=gregkh@linuxfoundation.org; a=openpgp; fpr=F4B60CC5BF78C2214A313DCB3147D40DDB2DFB29 X-Spam-Status: No, score=-0.9 required=5.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on groat.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (groat.vger.email [0.0.0.0]); Thu, 12 Oct 2023 01:17:59 -0700 (PDT) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1779536946695861689 X-GMAIL-MSGID: 1779536946695861689 In commit efb78fa86e95 ("lib/test_meminit: allocate pages up to order MAX_ORDER"), the loop for testing pages is set to "<= MAX_ORDER" which causes crashes in systems when run. Fix this to "< MAX_ORDER" to fix the test to work properly. Fixes: efb78fa86e95 ("lib/test_meminit: allocate pages up to order MAX_ORDER") Cc: Andrew Donnellan Cc: Alexander Potapenko Cc: Xiaoke Wang Cc: Cc: Andrew Morton Signed-off-by: Greg Kroah-Hartman --- lib/test_meminit.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/lib/test_meminit.c b/lib/test_meminit.c index 0ae35223d773..85d8dd8e01dc 100644 --- a/lib/test_meminit.c +++ b/lib/test_meminit.c @@ -93,7 +93,7 @@ static int __init test_pages(int *total_failures) int failures = 0, num_tests = 0; int i; - for (i = 0; i <= MAX_ORDER; i++) + for (i = 0; i < MAX_ORDER; i++) num_tests += do_alloc_pages_order(i, &failures); REPORT_FAILURES_IN_FN();