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=-16.6 required=3.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SHORT_SHORTNER,SPF_HELO_NONE,SPF_PASS, T_PDS_SHORTFWD_URISHRT_FP,USER_IN_DEF_DKIM_WL 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 59663C433DB for ; Tue, 5 Jan 2021 12:44:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0C32422AAD for ; Tue, 5 Jan 2021 12:44:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729232AbhAEMoW (ORCPT ); Tue, 5 Jan 2021 07:44:22 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40334 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728012AbhAEMoU (ORCPT ); Tue, 5 Jan 2021 07:44:20 -0500 Received: from mail-qt1-x830.google.com (mail-qt1-x830.google.com [IPv6:2607:f8b0:4864:20::830]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 79BB3C061574 for ; Tue, 5 Jan 2021 04:43:40 -0800 (PST) Received: by mail-qt1-x830.google.com with SMTP id z9so20675117qtn.4 for ; Tue, 05 Jan 2021 04:43:40 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to; bh=Ss0QCF7Y8CyjkIJ80E3ToE95jVj97tBQfOx1Qgnaa7U=; b=I30M791tveabVZ9iq/bJrQxBXUvm/1hVFe24L7Lwy74dr08bI/Fa3oxWsdEN7aml1o 3Vow8F6QbRjAAl9h/XlG6Oyp5wY2CG84AGNPiqraViGB6ulFzeZxcJdDILXdkesqaOvx qq07/VTnFsZZCTe5h9q5LcOXNx4d/dTOsbiNsTMu0RWzWS3BOKGIfkJ6hN7M/SqsF/nf OFMFzEWcqQdHjGlpfo92svqWhUHdKvKblfB0pDI9GcVVFOCuZ5Jtx/q/Jx5mubEiHdt4 XYP/FqfHwMqEw8hOA768QQCfynbv2YMENT6HhglKpw2yDcaxzm0ZerA2RwqPG6tgJw7C 3TxQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to; bh=Ss0QCF7Y8CyjkIJ80E3ToE95jVj97tBQfOx1Qgnaa7U=; b=mgr/hzRqFgTyWOTFIHFf13VDfQTrS1npAZycTljI1YuODf1TaVqVhQJnaNuBV7WS1D B4NMKgsaws8MiT90WJl1BVuFGIsVnFWbV0k7nkyQgdt6ESyc2+U8iEXTqL1TiHcC6vHd Bt7RysaGxLRFYrqjTElHf0FrWuI/SIKhht77npirb2AAC8+kz6eLBhRbctI6D/mg86Ow FO2wfeWi6sWnIN5LjG3zZRVDDk7lCUUkgKAQMdMYCPIXTSfrJOEoWChdWQTbObARtPG4 HTmsKCpAMfIgo9+bEO7Kf5i90Xr7cCXXppZZNxyqfmTtfVZJIlNXBRdHAyBdl8yWm0N2 JZOQ== X-Gm-Message-State: AOAM5321AuhpHhuf9IAsaGGF3kE+sFAHUNdcJ8eZcgxFQKLPM8B90TGD pWSifaYcNbwXWAFkBVUYq1F4SaR2xyH05pY1ZuUmoiRYTkEHwA== X-Google-Smtp-Source: ABdhPJyjwG1U03oRe5eHZ5SEwKBd9rKNCnPcesIkLV/MZGkGZcW6920phbPNDiANTE+bu8dIJP6nrWlgKi+jGyjcQ9g= X-Received: by 2002:aed:208f:: with SMTP id 15mr73851418qtb.290.1609850619344; Tue, 05 Jan 2021 04:43:39 -0800 (PST) MIME-Version: 1.0 References: <000000000000880dcc0598bcfac9@google.com> <0000000000000b157705b7f2eefd@google.com> In-Reply-To: <0000000000000b157705b7f2eefd@google.com> From: Dmitry Vyukov Date: Tue, 5 Jan 2021 13:43:28 +0100 Message-ID: Subject: Re: possible deadlock in process_measurement (2) To: syzbot , LKML , syzkaller-bugs Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun, Jan 3, 2021 at 12:08 AM syzbot wrote: > > syzbot suspects this issue was fixed by commit: > > commit 15a8d68e9dc23dc9def4bd7e9563db60f4f86580 > Author: Wei Yang > Date: Tue Oct 13 23:56:33 2020 +0000 > > mm/hugetlb: a page from buddy is not on any list > > bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=13612350d00000 > start commit: 1590a2e1 Merge tag 'acpi-5.8-rc3' of git://git.kernel.org/.. > git tree: upstream > kernel config: https://syzkaller.appspot.com/x/.config?x=bf3aec367b9ab569 > dashboard link: https://syzkaller.appspot.com/bug?extid=18a1619cceea30ed45af > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=10c79dbb100000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=169bba3d100000 > > If the result looks correct, please mark the issue as fixed by replying with: > > #syz fix: mm/hugetlb: a page from buddy is not on any list > > For information about bisection process see: https://goo.gl/tpsmEJ#bisection #syz fix: mm/hugetlb: a page from buddy is not on any list