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 9FE90C4332F for ; Sat, 19 Nov 2022 10:23:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232579AbiKSKXa (ORCPT ); Sat, 19 Nov 2022 05:23:30 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50462 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229470AbiKSKX3 (ORCPT ); Sat, 19 Nov 2022 05:23:29 -0500 Received: from mail-io1-f72.google.com (mail-io1-f72.google.com [209.85.166.72]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3A2191CD for ; Sat, 19 Nov 2022 02:23:24 -0800 (PST) Received: by mail-io1-f72.google.com with SMTP id i12-20020a5d840c000000b006de8b8c5746so3203247ion.22 for ; Sat, 19 Nov 2022 02:23:24 -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=DyOghY5lNB2rYGB9Hs+GFF/LBDyG9uVvf7JSRHz6Lq0=; b=yAEzFfxXI3EsvfjdbKYKU3Eo5AwpyhmtbHnvBj84dYhi+4bw4Tw/PaodZGJQ4dVQhj Dgfwq0N+QUVPBophtgiSP4MW0Pe0QemaP1H51a5m/RDobJfD1ofIkGdnK3Mz7nySu4RM 5KqGlvOJLjK1gu2cXfQLIfOVhDBgwcCOpXR39LPuEVDmYoBWj7mqvlteZpj994WzV6WX bRBJ0i/k2KcL3Kgxdb3s8qW4pImL/X3oKpIqRdE/pOc+dnVr7J6Zif/w3QWUQNo5LEtu r0/L24zItCxa3SsAWuMuOqRkKDiER8+K6G742HMSKdNy6/cTYF1uh5o3l/0ftU6lMrZ1 Eoiw== X-Gm-Message-State: ANoB5plO7hmZaSuEpKFUYEtaQGBRMkXYIdEQvHBNRKeOjsz+HtOY7TdI 2p/HIbmrHim1W8hHj/TjqDdX0bPu9ralrpMEX2VrCfcjW8tB X-Google-Smtp-Source: AA0mqf6O10vR/p9xaXsbpVXWTMHKrkW8amuyK9eDdfCaqPFCKZcPZfqyibgEEVEET5JZGVbmQ2fbzAGOmUjraknqnmE2/tZIw68o MIME-Version: 1.0 X-Received: by 2002:a92:c950:0:b0:300:de97:7a7c with SMTP id i16-20020a92c950000000b00300de977a7cmr440666ilq.307.1668853403585; Sat, 19 Nov 2022 02:23:23 -0800 (PST) Date: Sat, 19 Nov 2022 02:23:23 -0800 In-Reply-To: <20221119094445.4509-1-hdanton@sina.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000004d959d05edd036ed@google.com> Subject: Re: [syzbot] possible deadlock in __jbd2_log_wait_for_space 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: { P5776 } 2683 jiffies s: 2765 root: 0x0/T rcu: blocking rcu_node structures (internal RCU debug): Tested on: commit: 15f3bff1 Add linux-next specific files for 20221116 git tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git console output: https://syzkaller.appspot.com/x/log.txt?x=130bea4e880000 kernel config: https://syzkaller.appspot.com/x/.config?x=ec2a1d4f50866178 dashboard link: https://syzkaller.appspot.com/bug?extid=fa1bbda326271b8808c9 compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 patch: https://syzkaller.appspot.com/x/patch.diff?x=15922a21880000