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[2620:137:e000::1:20]) by mx.google.com with ESMTP id u11-20020a170903124b00b001844a8cf941si31972989plh.538.2022.10.21.03.31.08; Fri, 21 Oct 2022 03:31:26 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-ext4-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@linux.microsoft.com header.s=default header.b=lEG22XT4; spf=pass (google.com: domain of linux-ext4-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-ext4-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linux.microsoft.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229958AbiJUKXr (ORCPT + 99 others); Fri, 21 Oct 2022 06:23:47 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60772 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229779AbiJUKXq (ORCPT ); Fri, 21 Oct 2022 06:23:46 -0400 Received: from linux.microsoft.com (linux.microsoft.com [13.77.154.182]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 29A2D25C2DB for ; Fri, 21 Oct 2022 03:23:46 -0700 (PDT) Received: from [10.254.254.111] (ip5b408877.dynamic.kabel-deutschland.de [91.64.136.119]) by linux.microsoft.com (Postfix) with ESMTPSA id 5EC5220FEB53; Fri, 21 Oct 2022 03:23:44 -0700 (PDT) DKIM-Filter: OpenDKIM Filter v2.11.0 linux.microsoft.com 5EC5220FEB53 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.microsoft.com; s=default; t=1666347825; bh=zD7MG+p2kLAq0wDLc5QO2iFHcQBFf6zBmvywWecCrsc=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=lEG22XT4bZtwQ8x/3tyGFYyuAd4ynDQ/U9GbR616FPhgL1RlF2yUmSRdXbwJKpPwo hledyivdaunGwCClDlYM7mNJebdv8VT3NYP6xa23Rs+t0kW6MQu707issWp6mo17ca ywmAKTD8VRtL5JzrCD4kjvrUj+IM8rC1qXb9QGIo= Message-ID: Date: Fri, 21 Oct 2022 12:23:41 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.3.1 Subject: Re: [syzbot] possible deadlock in jbd2_journal_lock_updates To: Jan Kara Cc: Ye Bin , jack@suse.com, tytso@mit.edu, linux-ext4@vger.kernel.org, regressions@lists.linux.dev, Jeremi Piotrowski References: <20220824100652.227m7eq4zqq7luir@quack3> <20220929082716.5urzcfk4hnapd3cr@quack3> <20221004063807.GA30205@linuxonhyperv3.guj3yctzbm1etfxqx2vob5hsef.xx.internal.cloudapp.net> <20221004091035.idjgo2xyscf6ovnv@quack3> <20221005151053.7jjgc7uhvquo6a5n@quack3> <20221010142410.GA1689@linuxonhyperv3.guj3yctzbm1etfxqx2vob5hsef.xx.internal.cloudapp.net> <2ede5fce-7077-6e64-93a9-a7d993bc498f@linux.microsoft.com> <20221014132543.i3aiyx4ent4qwy4i@quack3> Content-Language: en-US From: Thilo Fromm In-Reply-To: <20221014132543.i3aiyx4ent4qwy4i@quack3> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-19.8 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,ENV_AND_HDR_SPF_MATCH,NICE_REPLY_A, RCVD_IN_DNSWL_MED,SPF_HELO_PASS,SPF_PASS,USER_IN_DEF_DKIM_WL, USER_IN_DEF_SPF_WL autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-ext4@vger.kernel.org Hello Honza, >> Just want to make sure this does not get lost - as mentioned earlier, >> reverting 51ae846cff5 leads to a kernel build that does not have this issue. > > Yes, I'm aware of this and still cannot quite wrap my head how it could be > given the stacktraces I see :) They do not seem to come anywhere near that > code... Just reaching out to let folks know that we see more reports on this issue coming in for kernels >=5.15.63, see https://github.com/flatcar/Flatcar/issues/847#issuecomment-1286523602. Best regards, Thilo