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=-5.4 required=3.0 tests=FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS 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 CF1E4C5DF61 for ; Thu, 7 Nov 2019 14:25:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A7C832187F for ; Thu, 7 Nov 2019 14:25:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389154AbfKGOZC (ORCPT ); Thu, 7 Nov 2019 09:25:02 -0500 Received: from mail-il1-f200.google.com ([209.85.166.200]:45742 "EHLO mail-il1-f200.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727849AbfKGOZC (ORCPT ); Thu, 7 Nov 2019 09:25:02 -0500 Received: by mail-il1-f200.google.com with SMTP id n84so2772751ila.12 for ; Thu, 07 Nov 2019 06:25:01 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:date:in-reply-to:message-id:subject :from:to; bh=aXA/qtZY4oOTCsYiBcMDsKnc02UJ0JcCx9sYAFguzus=; b=pNhiAddpuNvDcsPxf7GBhnwE1uLNg9Gh59z8K0V7NVv0SeZx5+jN+rkndROGycVG5O ECXMrodwD1/Ql7v4fzg9MiX9iZIhZIHpmMtAtbugr+oAO7QxU/n7ue0Ay23ui7Q5tr2E 5JUr3cF8oR2aRVYDTFalJdB1BuXHv0pLIlz4vP+qRen6T1+GerIjy/fZTzEVS0IOz10T Tn7c7JneixQcJgukzP8rYv7gfytaqLdK5JNiQgmMIEuEuzax8HGs/nRl5PxjzbGq8n0I JTKKQ7MOCLzh7ynA2QCNCg1jmYFYsONmH24pYbverueizEhlTylfXaggI4sjo7T9LKxi aF7g== X-Gm-Message-State: APjAAAUOig9Yk9k4vavvZGuVlTYTBXVjE7A830tB9Nmt/DkZCN7nCwHX QybxRNPatIppiFVLmBN5wNhtkzyOl+FsVJT+fNOfTs+HXQuM X-Google-Smtp-Source: APXvYqzhVbQHRRQG3ztTd/5ul5cILBfkVe1smBx7OAbF3aZAZubRe2mOAuxRKz85d2VTjG3jiyDgI43LILSaID3QKvS3c8HmQDEv MIME-Version: 1.0 X-Received: by 2002:a6b:b458:: with SMTP id d85mr3874308iof.287.1573136701319; Thu, 07 Nov 2019 06:25:01 -0800 (PST) Date: Thu, 07 Nov 2019 06:25:01 -0800 In-Reply-To: <0000000000005b2aad058e722bf3@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000043f47d0596c26e68@google.com> Subject: Re: INFO: rcu detected stall in do_swap_page From: syzbot To: akpm@linux-foundation.org, aryabinin@virtuozzo.com, cai@lca.pw, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, lpf.vector@gmail.com, mgorman@techsingularity.net, syzkaller-bugs@googlegroups.com, torvalds@linux-foundation.org, vbabka@suse.cz Content-Type: text/plain; charset="UTF-8"; format=flowed; delsp=yes Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org syzbot suspects this bug was fixed by commit: commit 32aaf0553df99cc4314f6e9f43216cd83afc6c20 Author: Pengfei Li Date: Mon Sep 23 22:36:58 2019 +0000 mm/compaction.c: remove unnecessary zone parameter in isolate_migratepages() bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=159dcaaae00000 start commit: c6dd78fc Merge branch 'x86-urgent-for-linus' of git://git... git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=3c8985c08e1f9727 dashboard link: https://syzkaller.appspot.com/bug?extid=2a89b1fb6539ff150c16 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1456f9d0600000 If the result looks correct, please mark the bug fixed by replying with: #syz fix: mm/compaction.c: remove unnecessary zone parameter in isolate_migratepages() For information about bisection process see: https://goo.gl/tpsmEJ#bisection