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=-7.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,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 62B11C433C1 for ; Tue, 30 Mar 2021 16:36:34 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id BED5C619B9 for ; Tue, 30 Mar 2021 16:36:33 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org BED5C619B9 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 4F41A6B0080; Tue, 30 Mar 2021 12:36:33 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 4CA9A6B0081; Tue, 30 Mar 2021 12:36:33 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 36E9E6B0082; Tue, 30 Mar 2021 12:36:33 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0088.hostedemail.com [216.40.44.88]) by kanga.kvack.org (Postfix) with ESMTP id 1E37C6B0080 for ; Tue, 30 Mar 2021 12:36:33 -0400 (EDT) Received: from smtpin07.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay03.hostedemail.com (Postfix) with ESMTP id C64ED8249980 for ; Tue, 30 Mar 2021 16:36:32 +0000 (UTC) X-FDA: 77977093824.07.23DFA40 Received: from mail-io1-f45.google.com (mail-io1-f45.google.com [209.85.166.45]) by imf10.hostedemail.com (Postfix) with ESMTP id 2A64240002E9 for ; Tue, 30 Mar 2021 16:36:10 +0000 (UTC) Received: by mail-io1-f45.google.com with SMTP id z136so17061505iof.10 for ; Tue, 30 Mar 2021 09:36:14 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc:content-transfer-encoding; bh=oeYjBqHc7PZBTMmBxWJLQqVGY7NmsdQtgDUEsBknHEY=; b=fOmINC19Y9ovXara48by0IaM2ntvQEqUCo2suwUTHdeuAq30HWiP0fyuk7Iut1O4R7 1jr7uXmUkxL0tgLUEesdncOHKI+aJoQmZhxPfEdk2IXx+rU4wcJktkuUUZ25+8NtFPd3 66o7lSsw5mkXXKDbCiRS66aTMBiK3iHL+ucH/kilPOmK39NxpBwmCLVZTGK7H28mMTTD GYVaxzkm3H/xZKUe37Gw3RiP3W9h4XhF35lTl2lUgWjVWS/5itI5gh2gBmmgwXxtVUlA 9hjUak1DPjzLZqP3YO/Qh0koOyJ/6LQus5ybTuypCvS7d7YsqZC0EGvNiF6UDDQSQTax kS5g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc:content-transfer-encoding; bh=oeYjBqHc7PZBTMmBxWJLQqVGY7NmsdQtgDUEsBknHEY=; b=GP+EI5C8EszBBtUigxggz/HHCBaNHTg071CzU48B6owh4+6diGc0Rz3CqwacT7I69Y DoBa/o3Xt2gTAGJc4kajNZjjT1KYJ/auuQgS9eFXIqx6CHoIDVQH6wCbnPhkSbmzPRJ5 PKlG8MrPZnrlVhs/IUoBpGSlGKd6Sb2L3VOs1o/FLw2cs4HvLoq37M9O5uS8M5jfEknl qS6+VePiL1rfHqrgKhWJOQCYWRNJRQr8DgbCM+49Jm/6OX4ouBxFfX1SbECcNBefL0hL CYeTwF5w5oo1GDqkPtinjbb9XEU9xALWDhlKLbIwI/XgDuScBgcMUo1s//Chn833ODvx afOw== X-Gm-Message-State: AOAM5316QwNMV4TQ550aRArWI9M4n3W+ucP50FafxEwy1362UN2P/GJc OHAGnvh8oX6M3QOG+Jk04HgoST8kfwua0XS2pG8= X-Google-Smtp-Source: ABdhPJyxNQ1hK/Oi+il7wYXauWWUmOq85abvhZYkrAMxGbUZZrfoWppAI82AQPjyknVOdY3yQa/gX0upGGzKVddZTCk= X-Received: by 2002:a5d:8707:: with SMTP id u7mr24519616iom.18.1617122172459; Tue, 30 Mar 2021 09:36:12 -0700 (PDT) MIME-Version: 1.0 References: <05dc921e-da71-4e71-6132-736eccd35680@wanyeetech.com> In-Reply-To: From: Ilya Lipnitskiy Date: Tue, 30 Mar 2021 09:36:01 -0700 Message-ID: Subject: Re: exec error: BUG: Bad rss-counter To: Linus Torvalds Cc: Zhou Yanjie , "Eric W. Biederman" , Linux-MM , Linux Kernel Mailing List , linux-fsdevel , Kees Cook , Christoph Hellwig Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Rspamd-Server: rspam03 X-Rspamd-Queue-Id: 2A64240002E9 X-Stat-Signature: hm7qt45hjf31ue4mwkpys9q9o3dk6idd Received-SPF: none (gmail.com>: No applicable sender policy available) receiver=imf10; identity=mailfrom; envelope-from=""; helo=mail-io1-f45.google.com; client-ip=209.85.166.45 X-HE-DKIM-Result: pass/pass X-HE-Tag: 1617122170-381689 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 Tue, Mar 30, 2021 at 9:11 AM Linus Torvalds wrote: > > On Mon, Mar 29, 2021 at 9:56 PM Zhou Yanjie w= rote: > > > > On 2021/3/29 =E4=B8=8A=E5=8D=8810:48, Ilya Lipnitskiy wrote: > > > > > > Try: > > > diff --git a/mm/memory.c b/mm/memory.c > > > index c8e357627318..1fd753245369 100644 > > > --- a/mm/memory.c > > > +++ b/mm/memory.c > > > @@ -166,7 +166,7 @@ static int __init init_zero_pfn(void) > > > zero_pfn =3D page_to_pfn(ZERO_PAGE(0)); > > > return 0; > > > } > > > -core_initcall(init_zero_pfn); > > > +early_initcall(init_zero_pfn); > > > > It works, thanks! > > Looks good to me - init_zero_pfn() can be called early, because it > depends on paging_init() will should have happened long before any > initcalls in setup_arch(). > > Ilya, mind sending a signed-off version with a nice commit message, > and I'll apply it. Sorry, I could have done better linking it to this thread - I actually did submit it recently - please see https://lkml.kernel.org/r/20210330044208.8305-1-ilya.lipnitskiy@gmail.com Ilya