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=-8.7 required=3.0 tests=BAYES_00,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 AAFC8C433FE for ; Thu, 10 Dec 2020 03:51:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 72D6523A02 for ; Thu, 10 Dec 2020 03:51:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731187AbgLJDuy (ORCPT ); Wed, 9 Dec 2020 22:50:54 -0500 Received: from mail-io1-f72.google.com ([209.85.166.72]:52384 "EHLO mail-io1-f72.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730852AbgLJDuo (ORCPT ); Wed, 9 Dec 2020 22:50:44 -0500 Received: by mail-io1-f72.google.com with SMTP id b136so2933364iof.19 for ; Wed, 09 Dec 2020 19:50:28 -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=0cTgBqiGrBDRYHQY4vsFsGVcfdNZ3CTtIGa2AjXRHQM=; b=CHNCmDf5wS2SRIwWo4X+BSI3C3YDviBQRAwOTKnIY0UORoDifxnp0Ka0LSlx2Lzwfr +nMHC2TP32ecpc6oMzLulzMSgmGQPkez1gpYBOsMn2/wGgo0zlsh8O5GugIfOLAGO8Ps fDiqFE87A+57+M+H5mMYlPf7kKluk5bVK79JRzZU4vSiuXpyWDKQGyCLMJ1lUFMls4h7 wkKbxC16vJLHKqZyU5GOTsbZ7tBKL9jCuVGjLvCV+PfnGSoCk0KIcH8KBWfT03KpKNWp tIHf5qtTWC5IRr0YX2H7Hf/zjAyLqiIgyVx0+owim72PdiNh+dBXfxmUhVG3WJWdFgjq ywxg== X-Gm-Message-State: AOAM532PeGt6d4ov0Lak0I1/94rahqfsgJC+++miAF4ejLS5r762M++c w+nSzsLC/1XiosNSC7HxG4if30Y5pILHPk5SwmllFWGYHP2g X-Google-Smtp-Source: ABdhPJyJBi3l4F5GkR7QE/LAQNz6qZ3uFv+qO5865YwPpiuNkNUCxXJdCxiFDp6XnB01MVcNXgIHtBtdJa2j8DlZclJ7cXZ20a6x MIME-Version: 1.0 X-Received: by 2002:a05:6638:e8c:: with SMTP id p12mr7286833jas.112.1607572203501; Wed, 09 Dec 2020 19:50:03 -0800 (PST) Date: Wed, 09 Dec 2020 19:50:03 -0800 In-Reply-To: <20201210023638.GP52960@mit.edu> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000024030c05b61412e6@google.com> Subject: Re: UBSAN: shift-out-of-bounds in ext4_fill_super From: syzbot To: adilger.kernel@dilger.ca, clang-built-linux@googlegroups.com, linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org, natechancellor@gmail.com, ndesaulniers@google.com, syzkaller-bugs@googlegroups.com, tytso@mit.edu Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, syzbot tried to test the proposed patch but the build/boot failed: failed to checkout kernel repo git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git on commit e360ba58d067a30a4e3e7d55ebdd919885a058d6: failed to run ["git" "fetch" "--tags" "d06f7b29746c7f0a52f349ff7fbf2a3f22d27cf8"]: exit status 1 >From git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4 * [new branch] bisect-test-ext4-035 -> d06f7b29746c7f0a52f349ff7fbf2a3f22d27cf8/bisect-test-ext4-035 * [new branch] bisect-test-generic-307 -> d06f7b29746c7f0a52f349ff7fbf2a3f22d27cf8/bisect-test-generic-307 * [new branch] dev -> d06f7b29746c7f0a52f349ff7fbf2a3f22d27cf8/dev * [new branch] ext4-3.18 -> d06f7b29746c7f0a52f349ff7fbf2a3f22d27cf8/ext4-3.18 * [new branch] ext4-4.1 -> d06f7b29746c7f0a52f349ff7fbf2a3f22d27cf8/ext4-4.1 * [new branch] ext4-4.4 -> d06f7b29746c7f0a52f349ff7fbf2a3f22d27cf8/ext4-4.4 * [new branch] ext4-4.9 -> d06f7b29746c7f0a52f349ff7fbf2a3f22d27cf8/ext4-4.9 * [new branch] ext4-dax -> d06f7b29746c7f0a52f349ff7fbf2a3f22d27cf8/ext4-dax * [new branch] ext4-tools -> d06f7b29746c7f0a52f349ff7fbf2a3f22d27cf8/ext4-tools * [new branch] fix-bz-206443 -> d06f7b29746c7f0a52f349ff7fbf2a3f22d27cf8/fix-bz-206443 * [new branch] for-stable -> d06f7b29746c7f0a52f349ff7fbf2a3f22d27cf8/for-stable * [new branch] fsverity -> d06f7b29746c7f0a52f349ff7fbf2a3f22d27cf8/fsverity * [new branch] lazy_journal -> d06f7b29746c7f0a52f349ff7fbf2a3f22d27cf8/lazy_journal * [new branch] master -> d06f7b29746c7f0a52f349ff7fbf2a3f22d27cf8/master * [new branch] origin -> d06f7b29746c7f0a52f349ff7fbf2a3f22d27cf8/origin * [new branch] pu -> d06f7b29746c7f0a52f349ff7fbf2a3f22d27cf8/pu * [new branch] test -> d06f7b29746c7f0a52f349ff7fbf2a3f22d27cf8/test * [new tag] ext4-for-linus-5.8-rc1-2 -> ext4-for-linus-5.8-rc1-2 ! [rejected] ext4_for_linus -> ext4_for_linus (would clobber existing tag) * [new tag] ext4_for_linus_bugfixes -> ext4_for_linus_bugfixes * [new tag] ext4_for_linus_cleanups -> ext4_for_linus_cleanups * [new tag] ext4_for_linus_fixes -> ext4_for_linus_fixes * [new tag] ext4_for_linus_fixes2 -> ext4_for_linus_fixes2 Tested on: commit: [unknown git tree: git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git e360ba58d067a30a4e3e7d55ebdd919885a058d6 dashboard link: https://syzkaller.appspot.com/bug?extid=345b75652b1d24227443 compiler: gcc (GCC) 10.1.0-syz 20200507 patch: https://syzkaller.appspot.com/x/patch.diff?x=1499c287500000