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 Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9895CCCA473 for ; Thu, 9 Jun 2022 04:45:01 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 0D7E36B0073; Thu, 9 Jun 2022 00:45:01 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 088986B0074; Thu, 9 Jun 2022 00:45:01 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id EA44B6B0075; Thu, 9 Jun 2022 00:45:00 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0010.hostedemail.com [216.40.44.10]) by kanga.kvack.org (Postfix) with ESMTP id DAB0C6B0073 for ; Thu, 9 Jun 2022 00:45:00 -0400 (EDT) Received: from smtpin24.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay11.hostedemail.com (Postfix) with ESMTP id A8FDF80285 for ; Thu, 9 Jun 2022 04:45:00 +0000 (UTC) X-FDA: 79557457560.24.F0CC93B Received: from out30-56.freemail.mail.aliyun.com (out30-56.freemail.mail.aliyun.com [115.124.30.56]) by imf19.hostedemail.com (Postfix) with ESMTP id 534071A0063 for ; Thu, 9 Jun 2022 04:44:58 +0000 (UTC) X-Alimail-AntiSpam:AC=PASS;BC=-1|-1;BR=01201311R131e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=e01e04400;MF=baolin.wang@linux.alibaba.com;NM=1;PH=DS;RN=10;SR=0;TI=SMTPD_---0VFqwi0e_1654749895; Received: from 30.97.48.137(mailfrom:baolin.wang@linux.alibaba.com fp:SMTPD_---0VFqwi0e_1654749895) by smtp.aliyun-inc.com; Thu, 09 Jun 2022 12:44:55 +0800 Message-ID: <59676cdf-a719-efcd-d5c1-b43198dc4348@linux.alibaba.com> Date: Thu, 9 Jun 2022 12:45:05 +0800 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:91.0) Gecko/20100101 Thunderbird/91.10.0 Subject: Re: [mm] 9b12e49e9b: BUG:Bad_page_state_in_process To: Matthew Wilcox , kernel test robot Cc: 0day robot , LKML , linux-csky@vger.kernel.org, openrisc@lists.librecores.org, linux-arch@vger.kernel.org, lkp@lists.01.org, akpm@linux-foundation.org, linux-mm@kvack.org References: <20220608143819.GA31193@xsang-OptiPlex-9020> From: Baolin Wang In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1654749900; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=47odESoglYc5JFjHNZblgZdefWnSi6FX323KZX894gw=; b=Pu72wd1F4U6AldMcRyaxJhVm/5NTdsogC4+BSQnOeYhYZZdu/J2QzUVk9Bizrdj4I1voc+ LsSxd84mKgIhBYj9fmSqOlg7/VZG9/DrM9gwLZ/uyZDevNokpm8HIApWoxE8Igp2Rhrft0 ychSmplKSI+vYFl1dIYQG1LPIqA/Bck= ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1654749900; a=rsa-sha256; cv=none; b=q10yjujfhoN5caGCpbFfJSofPX2qfa7+QOaAZp784pGRMqfhnL75U9WCVi3mpFgDfrCPah E6+9bvbGXJiUklt3vfLD703q+Oi3sCmlSKr3MZom9/qPrttUYf89sP/Zy6dH1MJo39riMF dfXHw6AHNSUUCeB/6aAwokwoobG3Xg0= ARC-Authentication-Results: i=1; imf19.hostedemail.com; dkim=none; dmarc=pass (policy=none) header.from=alibaba.com; spf=pass (imf19.hostedemail.com: domain of baolin.wang@linux.alibaba.com designates 115.124.30.56 as permitted sender) smtp.mailfrom=baolin.wang@linux.alibaba.com X-Rspamd-Server: rspam11 X-Rspam-User: Authentication-Results: imf19.hostedemail.com; dkim=none; dmarc=pass (policy=none) header.from=alibaba.com; spf=pass (imf19.hostedemail.com: domain of baolin.wang@linux.alibaba.com designates 115.124.30.56 as permitted sender) smtp.mailfrom=baolin.wang@linux.alibaba.com X-Stat-Signature: 5xtb71xokkaricjneb3zx7rnea1anxrq X-Rspamd-Queue-Id: 534071A0063 X-HE-Tag: 1654749898-34545 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: On 6/8/2022 11:07 PM, Matthew Wilcox wrote: > On Wed, Jun 08, 2022 at 10:38:19PM +0800, kernel test robot wrote: >> >> >> Greeting, >> >> FYI, we noticed the following commit (built with gcc-11): >> >> commit: 9b12e49e9b02bbaca8041f236a6b2fd4586d45c8 ("[RFC PATCH 3/3] mm: Add kernel PTE level pagetable pages account") > >> [ 75.338681][ T4873] BUG: Bad page state in process 444 pfn:20b066 >> [ 75.338840][ T4873] page:0000000016cf0259 refcount:0 mapcount:-512 mapping:0000000000000000 index:0x0 pfn:0x20b066 > > mapcount:-512 is PG_table. Somebody forgot to call > pgtable_pte_page_dtor() (or similar) Right. Thanks for reminding. :)