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[2620:137:e000::1:20]) by mx.google.com with ESMTP id ea20-20020a056a004c1400b0068716de807bsi4483459pfb.241.2023.07.31.03.55.03; Mon, 31 Jul 2023 03:55:15 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-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=@infradead.org header.s=bombadil.20210309 header.b=4fcN+AQC; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232250AbjGaJrX (ORCPT + 99 others); Mon, 31 Jul 2023 05:47:23 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59402 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231831AbjGaJrD (ORCPT ); Mon, 31 Jul 2023 05:47:03 -0400 Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:3::133]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 994431FEE; Mon, 31 Jul 2023 02:46:23 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=In-Reply-To:Content-Type:MIME-Version :References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=LFWu3GhIVYxTt3/DQYqycVt4qUBKEDLP9wXynzT3Bis=; b=4fcN+AQCGPO4EbumgV+MpLVVc8 W2quamb7yQgvGgmYh7bOdTPdfRYNG+UslaI5iNQqqUmGh6E4rGyfgfYtzUp4WWActwAePa8iDxWxu M2ZRQojSLwUO2o9VgtlbqRWKxBes0jdZK8GRdMEFo12kIv3hEk4QvGIKUXkRZNwC+hkh2xGez5Jcb hxvcr9tBmUYCzX2WZBahYVrOo9/kTteKykAaiAApVJbA91tIZ0fJu5OBGOzn29AY9YqHWDqEsMkRz itHipUHriHvjjznd62X5UTYR2Ep576MI5Zbq2kpDrVfabNL77tyGH4CmbVgArcIbSol5JmKZlqHlJ r2VMBlFw==; Received: from hch by bombadil.infradead.org with local (Exim 4.96 #2 (Red Hat Linux)) id 1qQPTk-00Eopt-2M; Mon, 31 Jul 2023 09:46:16 +0000 Date: Mon, 31 Jul 2023 02:46:16 -0700 From: Christoph Hellwig To: Qu Wenruo Cc: Christoph Hellwig , syzbot , clm@fb.com, dsterba@suse.com, johannes.thumshirn@wdc.com, josef@toxicpanda.com, linux-btrfs@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Subject: Re: [syzbot] [btrfs?] kernel BUG in prepare_to_merge Message-ID: References: <000000000000a3d67705ff730522@google.com> <000000000000f2ca8f0601bef9ca@google.com> <20230731073707.GA31980@lst.de> <358fab94-4eaa-4977-dd69-fc39810f18e0@gmx.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <358fab94-4eaa-4977-dd69-fc39810f18e0@gmx.com> X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_BLOCKED, SPF_HELO_NONE,SPF_NONE,T_SCC_BODY_TEXT_LINE 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-kernel@vger.kernel.org Thanks. I've not been able to reproduce it on the apparent bisection commit for more than half an hour, but running it on the originally reported commit reproduces it after a few minutes. I'll see if I can come up with a better bisection.