Message ID | 20201114065207.npKalqH36%akpm@linux-foundation.org (mailing list archive) |
---|---|
State | New, archived |
Headers | show
Return-Path: <SRS0=ogTf=EU=kvack.org=owner-linux-mm@kernel.org> Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 8ABDE138B for <patchwork-linux-mm@patchwork.kernel.org>; Sat, 14 Nov 2020 06:52:11 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 40BE92073C for <patchwork-linux-mm@patchwork.kernel.org>; Sat, 14 Nov 2020 06:52:11 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="Ozxy2OpV" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 40BE92073C Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=linux-foundation.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 3FB3A6B0083; Sat, 14 Nov 2020 01:52:10 -0500 (EST) Delivered-To: linux-mm-outgoing@kvack.org Received: by kanga.kvack.org (Postfix, from userid 40) id 3AB086B0085; Sat, 14 Nov 2020 01:52:10 -0500 (EST) X-Original-To: int-list-linux-mm@kvack.org X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 29B376B0087; Sat, 14 Nov 2020 01:52:10 -0500 (EST) X-Original-To: linux-mm@kvack.org X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0244.hostedemail.com [216.40.44.244]) by kanga.kvack.org (Postfix) with ESMTP id EE3A76B0083 for <linux-mm@kvack.org>; Sat, 14 Nov 2020 01:52:09 -0500 (EST) Received: from smtpin10.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay03.hostedemail.com (Postfix) with ESMTP id 974EF8249980 for <linux-mm@kvack.org>; Sat, 14 Nov 2020 06:52:09 +0000 (UTC) X-FDA: 77482104378.10.limit33_1e0e9c227315 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin10.hostedemail.com (Postfix) with ESMTP id 7848B16A069 for <linux-mm@kvack.org>; Sat, 14 Nov 2020 06:52:09 +0000 (UTC) X-Spam-Summary: 1,0,0,f1f9ce099d1b7f4a,d41d8cd98f00b204,akpm@linux-foundation.org,,RULES_HIT:2:41:355:379:560:800:960:967:973:988:989:1260:1345:1359:1381:1431:1437:1535:1605:1606:1730:1747:1777:1792:1981:2194:2198:2199:2200:2393:2525:2559:2563:2682:2685:2859:2901:2902:2933:2937:2939:2942:2945:2947:2951:2954:3022:3138:3139:3140:3141:3142:3865:3867:3868:3870:3872:3934:3936:3938:3941:3944:3947:3950:3953:3956:3959:4117:4250:4321:4605:5007:6119:6238:6261:6653:6737:7514:7576:7688:7903:8660:8784:9025:9040:9163:9165:9545:10004:11026:11473:11658:11914:12043:12048:12296:12297:12438:12517:12519:12555:12679:12740:12895:12986:13148:13230:13870:14799:21063:21080:21451:21611:21622:21939:21966:21990:30003:30012:30029:30034:30054:30056,0,RBL:198.145.29.99:@linux-foundation.org:.lbl8.mailshell.net-64.100.201.201 62.2.0.100;04y8mxt9g1u8b9nzkpuoyxw35yrcayph846cihkqx5goa7au7q6kgatf13a7jgr.ozikgixpu3rnwprs9komt7ywxjfet1e63qj1s64aoz6m549cs44rwmxqx6cu6ns.a-lbl8.mailshell.net-223.238.255.100,CacheIP: none,Bay X-HE-Tag: limit33_1e0e9c227315 X-Filterd-Recvd-Size: 6613 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by imf26.hostedemail.com (Postfix) with ESMTP for <linux-mm@kvack.org>; Sat, 14 Nov 2020 06:52:08 +0000 (UTC) Received: from localhost.localdomain (c-73-231-172-41.hsd1.ca.comcast.net [73.231.172.41]) (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 8F17E20678; Sat, 14 Nov 2020 06:52:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1605336728; bh=NifOz68fQKXI9pGg8iRxmwZMGi6d3Bko/+akVfkGwhs=; h=Date:From:To:Subject:In-Reply-To:From; b=Ozxy2OpVDLaCOwSdhsfg92zBDFXRAaewYOKF7CcL1hfbxWRzgEDo8iqkb7Rs0Gx+B onV+Rx30ePDwtqcC4I5loyCOkytPgRx+DXqDIr5g25rIk5SLbOozR+12muTIB6853J bluTdx1ECNoGybAFjbPSMYxEeKydOSp9q1YZiDNw= Date: Fri, 13 Nov 2020 22:52:07 -0800 From: Andrew Morton <akpm@linux-foundation.org> To: akpm@linux-foundation.org, arnd@arndb.de, fabf@skynet.be, gregkh@linuxfoundation.org, keescook@chromium.org, linux-mm@kvack.org, linux@roeck-us.net, mcroce@microsoft.com, mm-commits@vger.kernel.org, pasha.tatashin@soleen.com, pmladek@suse.com, robinmholt@gmail.com, rppt@kernel.org, stable@vger.kernel.org, torvalds@linux-foundation.org Subject: [patch 09/14] reboot: fix overflow parsing reboot cpu number Message-ID: <20201114065207.npKalqH36%akpm@linux-foundation.org> In-Reply-To: <20201113225115.b24faebc85f710d5aff55aa7@linux-foundation.org> User-Agent: s-nail v14.8.16 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: <linux-mm.kvack.org> |
Series |
[01/14] mm/compaction: count pages and stop correctly during page isolation
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expand
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--- a/kernel/reboot.c~reboot-fix-overflow-parsing-reboot-cpu-number +++ a/kernel/reboot.c @@ -558,6 +558,13 @@ static int __init reboot_setup(char *str reboot_cpu = simple_strtoul(str+3, NULL, 0); else *mode = REBOOT_SOFT; + if (reboot_cpu >= num_possible_cpus()) { + pr_err("Ignoring the CPU number in reboot= option. " + "CPU %d exceeds possible cpu number %d\n", + reboot_cpu, num_possible_cpus()); + reboot_cpu = 0; + break; + } break; case 'g':