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[2620:137:e000::1:20]) by mx.google.com with ESMTP id iz4-20020a170902ef8400b001a043389a7asi3838265plb.310.2023.05.19.12.10.32; Fri, 19 May 2023 12:10:59 -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=@kernel.org header.s=k20201202 header.b=ek8PTlpq; 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; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229761AbjESS5I (ORCPT + 99 others); Fri, 19 May 2023 14:57:08 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48154 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229504AbjESS5G (ORCPT ); Fri, 19 May 2023 14:57:06 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2EC0DF3; Fri, 19 May 2023 11:57:06 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id BA22D60C6D; Fri, 19 May 2023 18:57:05 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 03A7FC433EF; Fri, 19 May 2023 18:57:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1684522625; bh=zgl1VYrPHEXkov2mLb5707vPjUUXD/GbC4EK49xZdz8=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=ek8PTlpqngPumGqdWnS1jkCmAp7WkhH8NaugLwTeJ7GvwBB8qEwtYweZhCcV8KzAR ckID5lq3wS9765zahn1nzbXy57OYUE7dPClG+W+htqrPxK2ynbLhCfuw9R3DG0JqsN 7Y8vHRz4gxZKMI+mKT/vYzmn1g4FvmJM7hq5A1BFB/EuVRAVcmQtd6ITP71VUYp3Xv XY3ioajindvG+h8cX/FSIWesuZwLixUDelbhac7iCSxUroH7K+gXuont8A0LyMRCnj sVoF5t6vGsHk5Mvna9xhA+4McfBciXuayEKT4bZ2kYaEVJMzyE6cEZf58zaS/3ICL3 r4n2Ak1dpO88Q== Date: Fri, 19 May 2023 18:57:03 +0000 From: Eric Biggers To: =?utf-8?B?6IyD5L+K5p2w?= Cc: martin.petersen@oracle.com, jejb@linux.ibm.com, linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Subject: Re: memory leak in do_epoll_create Message-ID: <20230519185703.GA3288616@google.com> References: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: X-Spam-Status: No, score=-7.1 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_HI, SPF_HELO_NONE,SPF_PASS,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 On Fri, May 19, 2023 at 04:30:26PM +0800, 范俊杰 wrote: > Hi Kernel maintainers, > > Our tool found a new bug memory leak in do_epoll_create in Kernel commit > v5.14. > v5.14 is almost 2 years old. Why are you testing such an old kernel version? This bug could have already been fixed almost 2 years ago. Also, if you think this is a bug in eventpoll, this report should be sent to linux-fsdevel, as per './scripts/get_maintainer.pl fs/eventpoll.c'. It's unclear why you are sending this report to linux-scsi. > The report is as below and this bug don't have a repro C program until > now. Please inform me if you confirm this is a reproducible bug. I think you answered your own question. It doesn't have a reproducer; therefore, it's not reproducible. - Eric