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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id C1DBCC433EF for ; Wed, 9 Feb 2022 07:55:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237823AbiBIHzL (ORCPT ); Wed, 9 Feb 2022 02:55:11 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47332 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233423AbiBIHzK (ORCPT ); Wed, 9 Feb 2022 02:55:10 -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 C83D1C05CB80 for ; Tue, 8 Feb 2022 23:55:13 -0800 (PST) Received: by mail-io1-f70.google.com with SMTP id n20-20020a6bed14000000b0060faa0aefd3so1217067iog.20 for ; Tue, 08 Feb 2022 23:55:13 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:date:in-reply-to:message-id:subject :from:to; bh=UtEHDx2/SDtUWhjFiOkqioSqjTgEfgWZaCkVNfs3Q+A=; b=TFsotZH7JZLwGE6mBLkG2QktcKqDb6dOHkgicgW2MBeUnpTty55yxToiJDviqEalvN 8OmBiZCfqKXBbd5sVnsankjAhR7V8IUF1ngK5jfQeAI8UE0MM3xhEKq0HIoKM3NKEUBs cB+Gd0pVyzfxgAm2TTDV8aRPuQo5U1RM0ZGHCrMUNET5UkXSTaEx0ITeI/sDnvRfGIWm 0K+q+iaewFZ9LInBSTwonBbsf7jmoK9ZhuYUHRFd/gkhzRjt3VQzEQ14e7rqbXOpMnDh rHQeWm0wW8Krdkf0G9ElJOAZhUKZRB8fX0z2ZesXM+iRhRwx5CnLxyWOHB4E8AgEPcuV HLiA== X-Gm-Message-State: AOAM533LFnF5NHfcg9M3gxc/3CD5cnp0h56JGK+/IFs3w62J0+RDuX/d hp05XnpaCgDvCr3EAXkJ9XGGbTjdgD9Sju8tvbxwkuowTiZ1 X-Google-Smtp-Source: ABdhPJxTiND/YMKyiFm0ggyZBFIDxDVQgbKIe1A0qrUTf80Goj1N/PGkmq+Kz1wBKQu3w76vPZ0n7I1tPyBPOGq6MC80jWI0Lvfz MIME-Version: 1.0 X-Received: by 2002:a92:3f0f:: with SMTP id m15mr520244ila.112.1644393313139; Tue, 08 Feb 2022 23:55:13 -0800 (PST) Date: Tue, 08 Feb 2022 23:55:13 -0800 In-Reply-To: <20220209074137.linx5qyi43hkclss@riteshh-domain> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000004d049f05d7912725@google.com> Subject: Re: [syzbot] KASAN: use-after-free Read in jbd2_journal_wait_updates From: syzbot To: jack@suse.com, jack@suse.cz, linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org, riteshh@linux.ibm.com, syzkaller-bugs@googlegroups.com, tytso@mit.edu Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-ext4@vger.kernel.org Hello, syzbot has tested the proposed patch and the reproducer did not trigger any issue: Reported-and-tested-by: syzbot+afa2ca5171d93e44b348@syzkaller.appspotmail.com Tested on: commit: 54ccc072 jbd2: Remove CONFIG_JBD2_DEBUG to update t_ma.. git tree: https://github.com/riteshharjani/linux.git jbd2-kill-t-handle-lock-t2 kernel config: https://syzkaller.appspot.com/x/.config?x=266de9da75c71a45 dashboard link: https://syzkaller.appspot.com/bug?extid=afa2ca5171d93e44b348 compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 Note: testing is done by a robot and is best-effort only.