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=-5.7 required=3.0 tests=BAYES_00,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 33B8FC433E0 for ; Wed, 24 Feb 2021 21:37:56 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 90C5D64F03 for ; Wed, 24 Feb 2021 21:37:55 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 90C5D64F03 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=linux-foundation.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 179716B0006; Wed, 24 Feb 2021 16:37:55 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 12ABC6B006C; Wed, 24 Feb 2021 16:37:55 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 0412A6B006E; Wed, 24 Feb 2021 16:37:54 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0182.hostedemail.com [216.40.44.182]) by kanga.kvack.org (Postfix) with ESMTP id E37A66B0006 for ; Wed, 24 Feb 2021 16:37:54 -0500 (EST) Received: from smtpin02.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with ESMTP id AC83C184F4E7C for ; Wed, 24 Feb 2021 21:37:54 +0000 (UTC) X-FDA: 77854474068.02.B5176B8 Received: from mail-lf1-f45.google.com (mail-lf1-f45.google.com [209.85.167.45]) by imf30.hostedemail.com (Postfix) with ESMTP id 0DBB8E00010F for ; Wed, 24 Feb 2021 21:37:53 +0000 (UTC) Received: by mail-lf1-f45.google.com with SMTP id v30so5332289lfq.6 for ; Wed, 24 Feb 2021 13:37:53 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux-foundation.org; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc:content-transfer-encoding; bh=VFPxXchIt+W/0pXC8BPGtbay18iwKGzp1PuWretvaGk=; b=hM4SQtINjNebO6btx5X80KuXuOMx5bEWL95QpTnO5PtaCNwWzsM3aYK0UtsI2T0w/v 1zhjZc6kCphn5Ptml44hmcjag1AXaUW79Admg9MvVjnMNpVZQhO09UeH+jNZ7fL6PCvp m2KMFZpvzOQ7ZIpNJk3t4Nv+MxqGHK9TTdJCw= 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=VFPxXchIt+W/0pXC8BPGtbay18iwKGzp1PuWretvaGk=; b=GosAGhn5PwGaqBDFFs8bnd/lnV3eCKlQBrjDEiIvRGO7j3A0kC8KjBwU8pIYuggfEe EPs2sw3FFfu4L64vu/env8SFlR0xqLDddHLKBpdK4AxREBekHzsJzIBCj4BHBNS+S9si D9VXyT6qzc8Gy+Y0MH8Ygw28OJINsGtIEXtL924hhpFdj59uyPoXgS0TUN+HYb0oWkvV jVQHIJ1xk5XhwNyHFWICzpuCFQL31nx0GelGG23LeEFge74cYAxfIUxuuu7n9sASPCiW NRKq9TQFKxogVofnDdnpDd7E3IctuXVX8qYMb0peN2T+K8bIlP1HJy+25efA7Ad66WnS PdCg== X-Gm-Message-State: AOAM531aXPzzxSpckP0rLajKHyI/4mYox2vCHXjOgGK6bCiw5OgBfZhH AsBXhkg+gWtB7jLUBh5futPDfGz6qehKvA== X-Google-Smtp-Source: ABdhPJxAwV3d1of7mFOcYt6VBuEwnSj8AFf2w6+QE/FRTi1vIOWv/QBRMgtJbmtcrJvzw6NnL86Yfg== X-Received: by 2002:ac2:42d3:: with SMTP id n19mr16821828lfl.616.1614202672068; Wed, 24 Feb 2021 13:37:52 -0800 (PST) Received: from mail-lj1-f179.google.com (mail-lj1-f179.google.com. [209.85.208.179]) by smtp.gmail.com with ESMTPSA id o24sm731670lfg.64.2021.02.24.13.37.51 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 24 Feb 2021 13:37:51 -0800 (PST) Received: by mail-lj1-f179.google.com with SMTP id v17so4132259ljj.9 for ; Wed, 24 Feb 2021 13:37:51 -0800 (PST) X-Received: by 2002:a2e:9659:: with SMTP id z25mr1063278ljh.411.1614202670878; Wed, 24 Feb 2021 13:37:50 -0800 (PST) MIME-Version: 1.0 References: <20210224115824.1e289a6895087f10c41dd8d6@linux-foundation.org> In-Reply-To: From: Linus Torvalds Date: Wed, 24 Feb 2021 13:37:35 -0800 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: incoming To: Andrew Morton , Walter Wu , Dmitry Vyukov , Nathan Chancellor , Arnd Bergmann , Andrey Konovalov Cc: Linux-MM , mm-commits@vger.kernel.org, Andrey Ryabinin , Alexander Potapenko Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Rspamd-Server: rspam04 X-Rspamd-Queue-Id: 0DBB8E00010F X-Stat-Signature: thxn4kjypkndiwggdoo7w3rnbxoqswhn Received-SPF: none (linuxfoundation.org>: No applicable sender policy available) receiver=imf30; identity=mailfrom; envelope-from=""; helo=mail-lf1-f45.google.com; client-ip=209.85.167.45 X-HE-DKIM-Result: pass/pass X-HE-Tag: 1614202673-681811 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 Wed, Feb 24, 2021 at 1:30 PM Linus Torvalds wrote: > > Hmm. I haven't bisected things yet, but I suspect it's something with > the KASAN patches. With this all applied, I get: > > lib/crypto/curve25519-hacl64.c: In function =E2=80=98ladder_cmult.const= prop=E2=80=99: > lib/crypto/curve25519-hacl64.c:601:1: warning: the frame size of > 2288 bytes is larger than 2048 bytes [-Wframe-larger-than=3D] > > and > > lib/bitfield_kunit.c: In function =E2=80=98test_bitfields_constants=E2= =80=99: > lib/bitfield_kunit.c:93:1: warning: the frame size of 11200 bytes is > larger than 2048 bytes [-Wframe-larger-than=3D] > > which is obviously not really acceptable. A 11kB stack frame _will_ > cause issues. A quick bisect shoes that this was introduced by "[patch 101/173] kasan: remove redundant config option". I didn't check what part of that patch screws up, but it's definitely doing something bad. I will drop that patch. Linus