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=-9.8 required=3.0 tests=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=ham 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 BB136C432C0 for ; Wed, 27 Nov 2019 21:03:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8E6FB217F9 for ; Wed, 27 Nov 2019 21:03:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1574888616; bh=tgII95yNo67R1JXOG2XCEJcU+1k6nHpaACezIMZWUnM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=sYglIn9PnFOVMLZ6GnzYinwRd2UnSqLmeQv0SXC0vf0ZiyGt1Uu1y6nUhkiGwZ39b aGaLGEKcwFPlee+TX6vll4CMpkgZM02HPagGDnWXXEQpOr3UA/XHZ+bm59kbzR4bmr RgOIPO19LIT17ZTgb6ul8wsHod3Eba03kqnntEyI= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732051AbfK0VDf (ORCPT ); Wed, 27 Nov 2019 16:03:35 -0500 Received: from mail.kernel.org ([198.145.29.99]:56710 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732034AbfK0VD2 (ORCPT ); Wed, 27 Nov 2019 16:03:28 -0500 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 AB8A721569; Wed, 27 Nov 2019 21:03:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1574888608; bh=tgII95yNo67R1JXOG2XCEJcU+1k6nHpaACezIMZWUnM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=nHDkbWhWZwmZyycaVshUFbLM1iEdayfv63ao/c+qJqMKlpCc245qO/T9CK4gySCiS vB5OAqI5iI1Ql+1BClhAR2tPN1VMM0CazERVWlP1Fd+W7f8FwlJeoC0bTyjqbQMiPo WjJON82BSO36fkeVXLnaSkfmbCFlGTiepcjAe3wU= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, "Peter Zijlstra (Intel)" , Linus Torvalds , Thomas Gleixner , Ingo Molnar , Sasha Levin Subject: [PATCH 4.19 201/306] sched/topology: Fix off by one bug Date: Wed, 27 Nov 2019 21:30:51 +0100 Message-Id: <20191127203129.854002540@linuxfoundation.org> X-Mailer: git-send-email 2.24.0 In-Reply-To: <20191127203114.766709977@linuxfoundation.org> References: <20191127203114.766709977@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Peter Zijlstra [ Upstream commit 993f0b0510dad98b4e6e39506834dab0d13fd539 ] With the addition of the NUMA identity level, we increased @level by one and will run off the end of the array in the distance sort loop. Fixed: 051f3ca02e46 ("sched/topology: Introduce NUMA identity node sched domain") Signed-off-by: Peter Zijlstra (Intel) Cc: Linus Torvalds Cc: Peter Zijlstra Cc: Thomas Gleixner Cc: linux-kernel@vger.kernel.org Signed-off-by: Ingo Molnar Signed-off-by: Sasha Levin --- kernel/sched/topology.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/sched/topology.c b/kernel/sched/topology.c index c0a7514649715..74b694392f2fd 100644 --- a/kernel/sched/topology.c +++ b/kernel/sched/topology.c @@ -1329,7 +1329,7 @@ void sched_init_numa(void) int level = 0; int i, j, k; - sched_domains_numa_distance = kzalloc(sizeof(int) * nr_node_ids, GFP_KERNEL); + sched_domains_numa_distance = kzalloc(sizeof(int) * (nr_node_ids + 1), GFP_KERNEL); if (!sched_domains_numa_distance) return; -- 2.20.1