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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4B431C7EE30 for ; Thu, 2 Mar 2023 12:06:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229937AbjCBMGc (ORCPT ); Thu, 2 Mar 2023 07:06:32 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38676 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229494AbjCBMGa (ORCPT ); Thu, 2 Mar 2023 07:06:30 -0500 Received: from mail-io1-f70.google.com (mail-io1-f70.google.com [209.85.166.70]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1F4F63B3DA for ; Thu, 2 Mar 2023 04:06:29 -0800 (PST) Received: by mail-io1-f70.google.com with SMTP id y6-20020a056602120600b0074c87f954bfso10619479iot.4 for ; Thu, 02 Mar 2023 04:06:29 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=to:from:subject:message-id:in-reply-to:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=W+vGFryJyHO/kcxpjviopstdV6X7mkFZpRf95EKbss4=; b=FlsEU18oGGR1Ipdgng2z9ocP5pCKbRGv+yAiQfVQcheebrnWp2c52G9YZ2kTmFvyF8 FosFE+rdFSEGd/p9oweg0OCdpK0MnOZgvicorPya7g2rq6Hg27Pjeiss1YdkkZLETZOe 31Gm7eNX2EpKybA2U6mfTpmtmxSdELqRmCIVm4194QCSPzaK2aDjFAPjdMk6FkX8Cqwy CfdghR1POBuduKB8sjYj6kToP8qEpz6vwzvzDpHF6QbSqhsVXblaJIzmHMNI3Fq9HmpT eikcPEtUfxPMHUsUeJtkmGA5gmzuoksG5YNZk0uXGIqlww2wBfnz56tHaoC2LxavTihG Gkeg== X-Gm-Message-State: AO0yUKV0bRTCwy/7Qui7FOXYwsd4/oFkIHOX317nqJ+ctxWrl3y3m+EU 0IJ1oNd9qCGZ9Qo8GLEFnDHVfibNb+rusFPE0+NubW+bLpBh X-Google-Smtp-Source: AK7set86njqnlQ595UPhEtBjsAoU+5M3f42yKnl+lTOrhfk8tX5iXCF1LaW4id7AOPgZ9ZLcR5qAulh3/EHAi4uFzqSSok1mm5p4 MIME-Version: 1.0 X-Received: by 2002:a02:9465:0:b0:3e0:6875:f5e2 with SMTP id a92-20020a029465000000b003e06875f5e2mr4612504jai.6.1677758788383; Thu, 02 Mar 2023 04:06:28 -0800 (PST) Date: Thu, 02 Mar 2023 04:06:28 -0800 In-Reply-To: <000000000000e794f505f5e0029c@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000099b9c905f5e9a820@google.com> Subject: Re: [syzbot] [mm?] INFO: task hung in write_cache_pages (2) From: syzbot To: akpm@linux-foundation.org, davem@davemloft.net, dvyukov@google.com, edumazet@google.com, elver@google.com, glider@google.com, hdanton@sina.com, kasan-dev@googlegroups.com, kuba@kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, netdev@vger.kernel.org, pabeni@redhat.com, syzkaller-bugs@googlegroups.com, willy@infradead.org Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org syzbot has bisected this issue to: commit 17bb55487988c5dac32d55a4f085e52f875f98cc Author: Matthew Wilcox (Oracle) Date: Tue May 17 22:12:25 2022 +0000 ntfs: Remove check for PageError bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=13fd6e54c80000 start commit: 489fa31ea873 Merge branch 'work.misc' of git://git.kernel... git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=10036e54c80000 console output: https://syzkaller.appspot.com/x/log.txt?x=17fd6e54c80000 kernel config: https://syzkaller.appspot.com/x/.config?x=cbfa7a73c540248d dashboard link: https://syzkaller.appspot.com/bug?extid=0adf31ecbba886ab504f syz repro: https://syzkaller.appspot.com/x/repro.syz?x=16dc6960c80000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=16f39d50c80000 Reported-by: syzbot+0adf31ecbba886ab504f@syzkaller.appspotmail.com Fixes: 17bb55487988 ("ntfs: Remove check for PageError") For information about bisection process see: https://goo.gl/tpsmEJ#bisection