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 C9C00C4332F for ; Mon, 5 Dec 2022 17:06:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231793AbiLERGU (ORCPT ); Mon, 5 Dec 2022 12:06:20 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34114 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230505AbiLERGS (ORCPT ); Mon, 5 Dec 2022 12:06:18 -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 E292D1838D for ; Mon, 5 Dec 2022 09:06:16 -0800 (PST) Received: by mail-io1-f70.google.com with SMTP id c23-20020a6b4e17000000b006db1063fc9aso10159611iob.14 for ; Mon, 05 Dec 2022 09:06:16 -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=5LpAWu712FVAtTHbQqwYlcqFGXcCDNZ1bTZQLNlfzbA=; b=MbqaWahvIViHx9NWMFqJ9pNmoWKsiZchwA7W2JN6NGnZE1XjiQSPl2SArzsdwlnJHC 2ay8dvGjdroPt9zekR14GugqFRQyLM0uH3ByECG5Hc5Ty+DFdoQHF6mleZ6bg8atBFkC 2t6rIyVtUDW41ZmGlvQCUOFqa3eNxE9rnralNZo77emqjK0m5mbKwfrme809gaCHeTkj sIDNJnZvAXkf/WjVMODv4Up0iE+cfeH4FUIFLbvt38RN6NPzS9pRr9M0VXqPi9QY2SoA r/g1mRVI8NKzaMfMdBmjmwWEDAJpW4Ae7k99Pajx3fRJJroAdLJm445W6zOqw16gwFbp ZTcQ== X-Gm-Message-State: ANoB5pmCE8RJN3bVARnXhaOeKLXTixmh+Y6Rl2zWjKs9DHinEZFwTw1c 5DIZMj4ry6rOVd2aeWRMCDiGBs4hNolH+DwLk4Pv8NCEVHJI X-Google-Smtp-Source: AA0mqf7CYgDBGtX2wnkOjjP04uEnvDKifuMirKiP5cLckSMc4HCdS96uad0ftEGPpwUvW0xxYbks6Gwg8o9jql5AbKEkxSzcz/LM MIME-Version: 1.0 X-Received: by 2002:a05:6e02:14c1:b0:303:3931:678a with SMTP id o1-20020a056e0214c100b003033931678amr8657962ilk.272.1670259976257; Mon, 05 Dec 2022 09:06:16 -0800 (PST) Date: Mon, 05 Dec 2022 09:06:16 -0800 In-Reply-To: <20221205140422.7412-1-hdanton@sina.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000914b5f05ef17b451@google.com> Subject: Re: [syzbot] KASAN: use-after-free Read in xfs_qm_dqfree_one From: syzbot To: hdanton@sina.com, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, syzbot has tested the proposed patch but the reproducer is still triggering an issue: INFO: rcu detected stall in corrupted rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { P4111 } 2640 jiffies s: 2849 root: 0x0/T rcu: blocking rcu_node structures (internal RCU debug): Tested on: commit: 0ba09b17 Revert "mm: align larger anonymous mappings o.. git tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git console output: https://syzkaller.appspot.com/x/log.txt?x=135dc11d880000 kernel config: https://syzkaller.appspot.com/x/.config?x=2325e409a9a893e1 dashboard link: https://syzkaller.appspot.com/bug?extid=912776840162c13db1a3 compiler: Debian clang version 13.0.1-++20220126092033+75e33f71c2da-1~exp1~20220126212112.63, GNU ld (GNU Binutils for Debian) 2.35.2 patch: https://syzkaller.appspot.com/x/patch.diff?x=1551f50f880000