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,URIBL_BLOCKED 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 BFBEEC3524C for ; Sun, 2 Feb 2020 07:05:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9697C206E6 for ; Sun, 2 Feb 2020 07:05:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726907AbgBBHFD (ORCPT ); Sun, 2 Feb 2020 02:05:03 -0500 Received: from mail-io1-f70.google.com ([209.85.166.70]:44032 "EHLO mail-io1-f70.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726408AbgBBHFD (ORCPT ); Sun, 2 Feb 2020 02:05:03 -0500 Received: by mail-io1-f70.google.com with SMTP id t17so7199796ioi.11 for ; Sat, 01 Feb 2020 23:05:01 -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=Fqcj080fpjW3YleUBFYycrIBXVF2KLfVb8A0MJTatPs=; b=IoqY0C77ZSlw7kgBt1EgdtIcm0NjNk9Q3QL9nJDjhdCqvrgkAtfZKmShVXvEDwF14T fEld7BybLO+RWNGTRC7jNARjv7dPFT+Ct1JOck3OxFF5HvQHBuo296MPyQgg7+axDfPI +3GdexJYMJKN6QP0GpdgKkNNlIuIQeCv7rX1aQechO4rkl+16+a6bVmAvumi10yMal1n CQ5RRcec3LxQ5ZZOkGTrhjCtIlk24qCdL1/Vd3tQ+xQaFk3ogzeN3EdiQxMcL2/gta6l xO0njhXdNTKPLE286MUkGCWDRuipzTdtk281NxxlyOQi4qn79EUQzRf9WlX4K94RD9qY zuqQ== X-Gm-Message-State: APjAAAUg1DFANn7CIxH+AvujWYRs5lrtJsu8RpwUWw/UrO1rUf4zRA01 fmEYO3SWlitSsj2XlQCVwyzj9S0fiZzRqrIXp1XnuTMZolKV X-Google-Smtp-Source: APXvYqxfBgVwZ/hal5pak54Hcteg+t0Fij/8KIMoja/+eLHlPRn9E4SfA6mh3Gdu3ROVJtSS+LFRs6S4yHL4Rd9kab/BnsMwYdze MIME-Version: 1.0 X-Received: by 2002:a5e:8e4c:: with SMTP id r12mr14311646ioo.119.1580627101442; Sat, 01 Feb 2020 23:05:01 -0800 (PST) Date: Sat, 01 Feb 2020 23:05:01 -0800 In-Reply-To: <0000000000001a1ef1059b1a27c7@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000e76ba6059d926c08@google.com> Subject: Re: INFO: task hung in __generic_file_fsync (2) From: syzbot To: akpm@linux-foundation.org, axboe@kernel.dk, dave@stgolabs.net, hch@lst.de, linux-block@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, ming.lei@redhat.com, osandov@fb.com, syzkaller-bugs@googlegroups.com, viro@zeniv.linux.org.uk Content-Type: text/plain; charset="UTF-8" Sender: linux-fsdevel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org syzbot suspects this bug was fixed by commit: commit 85a8ce62c2eabe28b9d76ca4eecf37922402df93 Author: Ming Lei Date: Fri Dec 27 23:05:48 2019 +0000 block: add bio_truncate to fix guard_bio_eod bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=13ebe101e00000 start commit: bf8d1cd4 Merge tag 'scsi-fixes' of git://git.kernel.org/pu.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=ed9d672709340e35 dashboard link: https://syzkaller.appspot.com/bug?extid=44c32606d8669fb0d45c syz repro: https://syzkaller.appspot.com/x/repro.syz?x=137e2615e00000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=11306971e00000 If the result looks correct, please mark the bug fixed by replying with: #syz fix: block: add bio_truncate to fix guard_bio_eod For information about bisection process see: https://goo.gl/tpsmEJ#bisection