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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id C3D8CC43334 for ; Mon, 6 Jun 2022 16:40:53 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 52C636B0072; Mon, 6 Jun 2022 12:40:53 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 4AFA58D0005; Mon, 6 Jun 2022 12:40:53 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 34E9F8D0001; Mon, 6 Jun 2022 12:40:53 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0014.hostedemail.com [216.40.44.14]) by kanga.kvack.org (Postfix) with ESMTP id 217CC6B0072 for ; Mon, 6 Jun 2022 12:40:53 -0400 (EDT) Received: from smtpin10.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay08.hostedemail.com (Postfix) with ESMTP id EEA64208E1 for ; Mon, 6 Jun 2022 16:40:52 +0000 (UTC) X-FDA: 79548375144.10.89CD82D Received: from alexa-out-sd-02.qualcomm.com (alexa-out-sd-02.qualcomm.com [199.106.114.39]) by imf22.hostedemail.com (Postfix) with ESMTP id 76834C0041 for ; Mon, 6 Jun 2022 16:40:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; i=@quicinc.com; q=dns/txt; s=qcdkim; t=1654533652; x=1686069652; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=Z2laPWzOmp4ntvrrhmxZ3vxavO/V5f+orP61EeiYS9Q=; b=fnF78sN62WCBCONc+QUbX537qdparWx9ctsbCDMQemrPu9GJHakqxy8I QLY24ZUuNEzNtj9Ke+yXLRYlJ+awjxlMJTggG3NWD5hZ1hFcUefo0XX3X cpD6y2eT4rZFdN8nvvxXoDl793cXJyN9Qry0yqL6YFy9mZ4Oi2fToq6yp k=; Received: from unknown (HELO ironmsg01-sd.qualcomm.com) ([10.53.140.141]) by alexa-out-sd-02.qualcomm.com with ESMTP; 06 Jun 2022 09:40:50 -0700 X-QCInternal: smtphost Received: from nasanex01c.na.qualcomm.com ([10.47.97.222]) by ironmsg01-sd.qualcomm.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Jun 2022 09:40:50 -0700 Received: from nalasex01a.na.qualcomm.com (10.47.209.196) by nasanex01c.na.qualcomm.com (10.47.97.222) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.22; Mon, 6 Jun 2022 09:40:50 -0700 Received: from qian (10.80.80.8) by nalasex01a.na.qualcomm.com (10.47.209.196) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.22; Mon, 6 Jun 2022 09:40:49 -0700 Date: Mon, 6 Jun 2022 12:40:47 -0400 From: Qian Cai To: Liam Howlett CC: "maple-tree@lists.infradead.org" , "linux-mm@kvack.org" , "linux-kernel@vger.kernel.org" , Andrew Morton Subject: Re: [PATCH v9 28/69] mm/mmap: reorganize munmap to use maple states Message-ID: References: <20220504002554.654642-1-Liam.Howlett@oracle.com> <20220504011345.662299-1-Liam.Howlett@oracle.com> <20220504011345.662299-13-Liam.Howlett@oracle.com> <20220606161940.fh5edq5nyz4jru2u@revolver> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: <20220606161940.fh5edq5nyz4jru2u@revolver> X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01a.na.qualcomm.com (10.52.223.231) To nalasex01a.na.qualcomm.com (10.47.209.196) X-Rspamd-Server: rspam06 X-Rspamd-Queue-Id: 76834C0041 X-Stat-Signature: 5qpgci1g8o46cnnzwtj3ebkbkg49cyep X-Rspam-User: Authentication-Results: imf22.hostedemail.com; dkim=pass header.d=quicinc.com header.s=qcdkim header.b=fnF78sN6; spf=pass (imf22.hostedemail.com: domain of quic_qiancai@quicinc.com designates 199.106.114.39 as permitted sender) smtp.mailfrom=quic_qiancai@quicinc.com; dmarc=pass (policy=none) header.from=quicinc.com X-HE-Tag: 1654533648-809282 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Mon, Jun 06, 2022 at 04:19:52PM +0000, Liam Howlett wrote: > Does your syscall fuzzer create a reproducer? This looks like arm64 > and says 5.18.0-next-20220603 again. Was this bisected to the patch > above? This was triggered by running the fuzzer over the weekend. $ trinity -C 160 No bisection was done. It was only brought up here because the trace pointed to do_mas_munmap() which was introduced here.