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 X-Spam-Level: X-Spam-Status: No, score=-0.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id ECF20C2BA19 for ; Wed, 15 Apr 2020 13:11:51 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id B139A20857 for ; Wed, 15 Apr 2020 13:11:51 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lca.pw header.i=@lca.pw header.b="UM6SN3Eq" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B139A20857 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=lca.pw Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 3F52C8E001B; Wed, 15 Apr 2020 09:11:51 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 3A7578E0001; Wed, 15 Apr 2020 09:11:51 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 2BC918E001B; Wed, 15 Apr 2020 09:11:51 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0147.hostedemail.com [216.40.44.147]) by kanga.kvack.org (Postfix) with ESMTP id 147308E0001 for ; Wed, 15 Apr 2020 09:11:51 -0400 (EDT) Received: from smtpin25.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay05.hostedemail.com (Postfix) with ESMTP id D45C6181AEF1D for ; Wed, 15 Apr 2020 13:11:50 +0000 (UTC) X-FDA: 76710126780.25.sleet46_2d2bdfaab631c X-HE-Tag: sleet46_2d2bdfaab631c X-Filterd-Recvd-Size: 3870 Received: from mail-qv1-f53.google.com (mail-qv1-f53.google.com [209.85.219.53]) by imf11.hostedemail.com (Postfix) with ESMTP for ; Wed, 15 Apr 2020 13:11:50 +0000 (UTC) Received: by mail-qv1-f53.google.com with SMTP id di6so1601725qvb.10 for ; Wed, 15 Apr 2020 06:11:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=lca.pw; s=google; h=mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=/QIKserTw79MFF/nc34fMqsusz24lv5rpyROYPfDx1U=; b=UM6SN3EqhSwlevYG5up5G/MVKNV8Hm/GmHi61XZrWnjrTGZULze8RumGl1t686X+GR 9aSjsEtssmzr999FMD7vT7YUE2ApEVTIGixvCA4FK7Ho3Q5bysXzLjivfVZSm3aCy059 rwBMhWkXQ7narvGATZvHWJBnDP15sE9Otrk/5rwA+FM++vFEECsDKAnZncUD4wlsiSps Rc5NtjYoRKBodDcpDxnTvEflEXN6UHh0A72UyWWwZWUe1+dm3ghECsQw3EUyduF06edt EhxDCHEZ9QZ9b8BfgDwE8x0g7nFl75RZXnq9D5GhJOTpI+boV8MyEZg5CBO8nQFsObnT /tvg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=/QIKserTw79MFF/nc34fMqsusz24lv5rpyROYPfDx1U=; b=GA8rDlYG1xjtcALp1PyxyHOS59ryi9d+GpclRosmdOvLmKh9PMo2OxiLmT1lSbwit3 hNOYxkwd7lfEQeDY21XDqW5YcFjSwJhxImV5HTkSIpO9DQla2ffQOupUEuNimmYrKRpl qUOIWKKKuN6G7f65avpt6oPs0ZbREc/IPOjzGFE/HR3dZEvpScE5E2S2gQl5CiFn3ueQ 3CZUN4qURLrD4eEx+lxIxjuB30ExJl4XPql01nnysHN9VrcFxhqibhuWsjAKumfIkDIZ Wn5+KJNKpTLsrSFyErtsvSES3RhEWFJxfI42dRYNF+4EsILZfmbdSicg1R9BA84GlAKA zapA== X-Gm-Message-State: AGi0PuYFZqOURXHut65eUJujo8y5JuajWrHiGZy1ukD/edHbzdS6omgI EZl1ggceaYPXtq8TVv/oRRbliwKOvFPB6Q== X-Google-Smtp-Source: APiQypLvrR2fhdDKgLOYjTSA6uEMAQ1Ow6d6ETQz6hmcTm/uWQ+bcsCF4NhpnSFV4V8vhEEcLyEJBQ== X-Received: by 2002:a0c:f1d1:: with SMTP id u17mr3990965qvl.146.1586956309603; Wed, 15 Apr 2020 06:11:49 -0700 (PDT) Received: from [192.168.1.153] (pool-71-184-117-43.bstnma.fios.verizon.net. [71.184.117.43]) by smtp.gmail.com with ESMTPSA id o22sm2242116qtm.90.2020.04.15.06.11.47 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Wed, 15 Apr 2020 06:11:48 -0700 (PDT) Content-Type: text/plain; charset=utf-8 Mime-Version: 1.0 (Mac OS X Mail 13.4 \(3608.80.23.2.2\)) Subject: Re: linux-next: not-present page at swap_vma_readahead() From: Qian Cai In-Reply-To: <875ze1yvrj.fsf@yhuang-dev.intel.com> Date: Wed, 15 Apr 2020 09:11:47 -0400 Cc: Linux-MM , LKML , Minchan Kim , Hugh Dickins , Andrew Morton Content-Transfer-Encoding: quoted-printable Message-Id: <247681FF-02C3-4FB6-BB00-720114EA1558@lca.pw> References: <874ktl1p7y.fsf@yhuang-dev.intel.com> <875ze1yvrj.fsf@yhuang-dev.intel.com> To: "Huang, Ying" X-Mailer: Apple Mail (2.3608.80.23.2.2) X-Bogosity: Ham, tests=bogofilter, spamicity=0.010331, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: > On Apr 15, 2020, at 4:54 AM, Huang, Ying wrote: >=20 > Qian Cai writes: >=20 >>> On Apr 14, 2020, at 10:01 PM, Huang, Ying = wrote: >>>=20 >>> Is it possible to bisect this? >>=20 >> Yes, I=E2=80=99ll need to find a quick reproducer first by analyzing = the fuzzer=E2=80=99s last logs. >=20 > Can you share the reproducer to me when it's available? Or the = command > line you used to reproduce it now? Sure, the current reproducer is running a fuzzer inside a container, (It requires runc to be installed first.) https://raw.githubusercontent.com/cailca/linux-mm/master/runc.sh=