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 C4DB9C433EF for ; Mon, 28 Feb 2022 06:09:47 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id DCC1B8D0002; Mon, 28 Feb 2022 01:09:46 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id D7B7E8D0001; Mon, 28 Feb 2022 01:09:46 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id C6A7A8D0002; Mon, 28 Feb 2022 01:09:46 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0014.hostedemail.com [216.40.44.14]) by kanga.kvack.org (Postfix) with ESMTP id B70378D0001 for ; Mon, 28 Feb 2022 01:09:46 -0500 (EST) Received: from smtpin21.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with ESMTP id 6824B181A4A05 for ; Mon, 28 Feb 2022 06:09:46 +0000 (UTC) X-FDA: 79191162372.21.10561BF Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by imf31.hostedemail.com (Postfix) with ESMTP id D4CDE20003 for ; Mon, 28 Feb 2022 06:09:45 +0000 (UTC) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 0BDAC60FB6; Mon, 28 Feb 2022 06:09:45 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 10692C340F1; Mon, 28 Feb 2022 06:09:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1646028584; bh=ntKdtcU1juj+MTKalehAxm9wVv/ZFIUKyu9HCPrRBsE=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=IzEis12xQ2W/u3ivCICTkdEQHfJ/CwCv4cUGmbh85egPesemCln2XPrga7g0/3D1H Y9MI5y8id5DjmrJzEwIgsuQuiWHqDNKD/NynTUXwyvZPTPFHzfl2RduRTat6YFHGMr cLTNXAuKoUP4erBpq+xK36lXshrrChYsHidFAtBg= Date: Sun, 27 Feb 2022 22:09:43 -0800 From: Andrew Morton To: syzbot Cc: cgroups@vger.kernel.org, hannes@cmpxchg.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-next@vger.kernel.org, mhocko@kernel.org, roman.gushchin@linux.dev, sfr@canb.auug.org.au, syzkaller-bugs@googlegroups.com, Sebastian Andrzej Siewior Subject: Re: [syzbot] linux-next test error: WARNING in __mod_memcg_lruvec_state Message-Id: <20220227220943.490fb7b5f7c57d872f9523cb@linux-foundation.org> In-Reply-To: <000000000000c7fde605d8e6b085@google.com> References: <000000000000c7fde605d8e6b085@google.com> X-Mailer: Sylpheed 3.7.0 (GTK+ 2.24.33; x86_64-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Rspam-User: X-Rspamd-Server: rspam01 X-Rspamd-Queue-Id: D4CDE20003 X-Stat-Signature: ffkfwwgtqxjc91owk97bqic773mb8bm3 Authentication-Results: imf31.hostedemail.com; dkim=pass header.d=linux-foundation.org header.s=korg header.b=IzEis12x; dmarc=none; spf=pass (imf31.hostedemail.com: domain of akpm@linux-foundation.org designates 139.178.84.217 as permitted sender) smtp.mailfrom=akpm@linux-foundation.org X-HE-Tag: 1646028585-277613 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: (cc bigeasy) WARN_ON_ONCE(!irqs_disabled()); in __mod_memcg_lruvec_state(), methinks. On Fri, 25 Feb 2022 23:23:23 -0800 syzbot wrote: > Hello, > > syzbot found the following issue on: > > HEAD commit: 06aeb1495c39 Add linux-next specific files for 20220225 > git tree: linux-next > console output: https://syzkaller.appspot.com/x/log.txt?x=17a69c8e700000 > kernel config: https://syzkaller.appspot.com/x/.config?x=8d8bf144f45f9b3 > dashboard link: https://syzkaller.appspot.com/bug?extid=a526c269335f529d25c8 > compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 > > IMPORTANT: if you fix the issue, please add the following tag to the commit: > Reported-by: syzbot+a526c269335f529d25c8@syzkaller.appspotmail.com > > ------------[ cut here ]------------ > WARNING: CPU: 1 PID: 3590 at mm/memcontrol.c:749 __mod_memcg_lruvec_state+0x1ab/0x220 > Modules linked in: > CPU: 1 PID: 3590 Comm: syz-fuzzer Not tainted 5.17.0-rc5-next-20220225-syzkaller #0 > Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 > RIP: 0010:__mod_memcg_lruvec_state+0x1ab/0x220 > Code: bb 23 92 0e 48 c7 c7 e0 b6 d9 89 e8 af d9 95 07 65 c7 05 f4 c8 37 7e 00 00 00 00 48 83 c4 08 5b 5d 41 5c 41 5d 41 5e 41 5f c3 <0f> 0b e9 a6 fe ff ff 4c 89 f6 48 c7 c7 60 63 ee 8b e8 8f d3 45 02 > RSP: 0000:ffffc900039efbc0 EFLAGS: 00010202 > RAX: 0000000000000206 RBX: 0000000000000200 RCX: ffffffff81aafa53 > RDX: 1ffff1100218fa8d RSI: 000000000000001c RDI: ffff888010c7d468 > RBP: ffff888010c7d000 R08: 0000000000000001 R09: ffffffff8ba144e7 > R10: fffffbfff174289c R11: 0000000000000001 R12: 000000000000001c > R13: ffff88813fe38000 R14: ffff88813fe38000 R15: ffff88813fffa000 > FS: 000000c0001d2c90(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 > CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > CR2: 000000c000e00000 CR3: 000000001cfb0000 CR4: 00000000003506e0 > DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 > DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 > Call Trace: > > __mod_lruvec_page_state+0x1e5/0x3e0 > page_add_new_anon_rmap+0x2e5/0x930 > do_huge_pmd_anonymous_page+0x102c/0x2350 > __handle_mm_fault+0x2a66/0x4110 > handle_mm_fault+0x1c8/0x790 > do_user_addr_fault+0x489/0x11c0 > exc_page_fault+0x9e/0x180 > asm_exc_page_fault+0x1e/0x30 > RIP: 0033:0x465e33 > Code: 00 00 c5 fe 6f 06 c5 fe 6f 4e 20 c5 fe 6f 56 40 c5 fe 6f 5e 60 48 81 c6 80 00 00 00 c5 fd e7 07 c5 fd e7 4f 20 c5 fd e7 57 40 fd e7 5f 60 48 81 c7 80 00 00 00 48 81 eb 80 00 00 00 77 b5 0f > RSP: 002b:000000c0003533b8 EFLAGS: 00010202 > RAX: 000000c000db4000 RBX: 0000000000423fe0 RCX: 000000c001224000 > RDX: 000000c001224001 RSI: 000000c000990020 RDI: 000000c000dfffa0 > RBP: 000000c000353418 R08: 000000c000db4000 R09: 0000000000000000 > R10: 0000000000000020 R11: 0000000000000206 R12: 000000c000243f18 > R13: 000000000000002e R14: 000000c0000001a0 R15: 0000000000000000 > > > > --- > This report is generated by a bot. It may contain errors. > See https://goo.gl/tpsmEJ for more information about syzbot. > syzbot engineers can be reached at syzkaller@googlegroups.com. > > syzbot will keep track of this issue. See: > https://goo.gl/tpsmEJ#status for how to communicate with syzbot.