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=-9.2 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_2 autolearn=unavailable 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 59ADEC49EA2 for ; Wed, 16 Jun 2021 16:23:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 34EF46109E for ; Wed, 16 Jun 2021 16:23:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235205AbhFPQZI (ORCPT ); Wed, 16 Jun 2021 12:25:08 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50898 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234823AbhFPQYi (ORCPT ); Wed, 16 Jun 2021 12:24:38 -0400 Received: from mail-lf1-x133.google.com (mail-lf1-x133.google.com [IPv6:2a00:1450:4864:20::133]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1F231C061574; Wed, 16 Jun 2021 09:22:18 -0700 (PDT) Received: by mail-lf1-x133.google.com with SMTP id h4so5256778lfu.8; Wed, 16 Jun 2021 09:22:18 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=NBQH65s6dXuvuY4ggi3ViJ5kPDHnKKmF/5YkqcMeyHA=; b=agK9vagT+8LIrZL92Cdy9ak31mdXjgDzQWfdH6nKNgeaecP9h2ba72ZSbqN0b0trRl BfXFR93UeiF1MaJ6RxADum8kmZKM+nfWi3RV4JpAUIL5MzzgTBlTB+BgxY1S427KJuhp eibyUfhLeeBRLvz30SWdh1vxihyvH7XKApa02zDeZlN0F+V8/QfjmA60umL0IPfunjzK iVKtl3EDf+hdgWS83CLBmqJ4Lb6Y1Ix39P2027CA3MVirxfnD1dvATA0ECCbv5Grg1pB VY6QroV6mglHPwaI6acRgU4jVhj2M03LPal1aztYif1swc1XKoDsRENUVYk5ZrYuPKJ7 ZO4Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=NBQH65s6dXuvuY4ggi3ViJ5kPDHnKKmF/5YkqcMeyHA=; b=kbJcBWfEiiNUpcTxjhOpzJ6wlANguI88lruI7CEnLBzR2tbI6FdE1kkGIvgqMxBGxu BREezfLTtRFWhmIJaxbqbixU3Qq/jk985xeYfIVbkxdI3M7aSLvFqWwaVcePMv1ihyvr K4SjlVlCjft08O0peB0+aD4q4OY+ubv3pA4E2KVpFydHZdrpuS+Q+OTQqXqSSYc4GyKn Y+pBRs/Oy/RN1KbWdozkjAPVfY+DJPkFLEq5qt4mC0KYnVVNAdRaJid3nkxTbZo4ItAr HpeXeFa7EB/ZKOtA/JlnBINmyJJu7mUSHXqZgJWNlr7kKPRmSAcCeruJ6aGes99L60Oo n/xQ== X-Gm-Message-State: AOAM530eFtI77VzfSbrApK8b12c2HTOHNWKf5wA+PL2FBEbsI2JM5Cf2 6W/8qMW4yt+54NBdKC0tgV8= X-Google-Smtp-Source: ABdhPJzZa5VoN+rWMnY/cl8INjSUP8iA/+pzdISzgajrwHeqHIHWjGqL/CC9jzQPPyRP6/Sq+9kwIA== X-Received: by 2002:a19:7d04:: with SMTP id y4mr341091lfc.201.1623860536422; Wed, 16 Jun 2021 09:22:16 -0700 (PDT) Received: from localhost.localdomain ([94.103.229.24]) by smtp.gmail.com with ESMTPSA id v18sm333032ljg.114.2021.06.16.09.22.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 16 Jun 2021 09:22:16 -0700 (PDT) Date: Wed, 16 Jun 2021 19:22:13 +0300 From: Pavel Skripkin To: syzbot Cc: adilger.kernel@dilger.ca, clang-built-linux@googlegroups.com, linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org, nathan@kernel.org, ndesaulniers@google.com, syzkaller-bugs@googlegroups.com, tytso@mit.edu Subject: Re: [syzbot] INFO: task hung in ext4_fill_super Message-ID: <20210616192213.1d75d8e2@gmail.com> In-Reply-To: <0000000000004c80e405c4df1a2d@google.com> References: <0000000000004c80e405c4df1a2d@google.com> X-Mailer: Claws Mail 3.17.8 (GTK+ 2.24.33; x86_64-suse-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 16 Jun 2021 02:56:21 -0700 syzbot wrote: > Hello, > > syzbot found the following issue on: > > HEAD commit: f21b807c Merge tag 'drm-fixes-2021-06-11' of > git://anongit.. git tree: upstream > console output: > https://syzkaller.appspot.com/x/log.txt?x=165fca57d00000 kernel > config: https://syzkaller.appspot.com/x/.config?x=30f476588412c065 > dashboard link: > https://syzkaller.appspot.com/bug?extid=c9ff4822a62eee994ea3 syz > repro: > https://syzkaller.appspot.com/x/repro.syz?x=17d19ce0300000 C > reproducer: https://syzkaller.appspot.com/x/repro.c?x=108d7988300000 > > Bisection is inconclusive: the issue happens on the oldest tested > release. > > bisection log: > https://syzkaller.appspot.com/x/bisect.txt?x=1646b8d0300000 final > oops: https://syzkaller.appspot.com/x/report.txt?x=1546b8d0300000 > console output: > https://syzkaller.appspot.com/x/log.txt?x=1146b8d0300000 > > IMPORTANT: if you fix the issue, please add the following tag to the > commit: Reported-by: > syzbot+c9ff4822a62eee994ea3@syzkaller.appspotmail.com > Just want to try this ;) #syz test https://linux.googlesource.com/linux/kernel/git/torvalds/linux refs/changes/76/10176/6 With regards, Pavel Skripkin