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 EA315C433DB for ; Wed, 24 Feb 2021 21:38:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id AF5C864F06 for ; Wed, 24 Feb 2021 21:38:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235666AbhBXVil (ORCPT ); Wed, 24 Feb 2021 16:38:41 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34732 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231717AbhBXVie (ORCPT ); Wed, 24 Feb 2021 16:38:34 -0500 Received: from mail-lf1-x12b.google.com (mail-lf1-x12b.google.com [IPv6:2a00:1450:4864:20::12b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DC9A3C061574 for ; Wed, 24 Feb 2021 13:37:53 -0800 (PST) Received: by mail-lf1-x12b.google.com with SMTP id m22so5327417lfg.5 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=lvGd2HtDuOiSGM9m32jkECfn+xwT/KVbqXRuQh0vioDUURCgsRJTDF8cf8pblQLhU7 DkkveRht89VlezFQgEa/ZyVzbnKSO7w/vF/CZKlh8Iz5UFIkyO+1o+TGr/5/5AQx2fwF U5f3F7a3WplMjwZPqd06VmzWQI1dWbQB1u+ioC2a0TSreg9e6MKbdI/SAxqjbTezaEea 4sP8U3Iv2Dum3wQJH4Wc+OHhgdCkIiHAcQ5//P+a238HrllNTaFNPaNu9E0WCha5go1O 5gZcFORpow2Adb6yIrMZ934wJoaXt9Q0qfJnKzbk3DM11hAC14yA5y6ohejy97XibCl8 yTvg== X-Gm-Message-State: AOAM5304h3gN391gVk+pVxYOSuNONl4gmT566oS7oAQD+yxr66sve+nX h8xZvaZr7lxAkEm0a+ArYdCioaoye0tXrA== X-Google-Smtp-Source: ABdhPJxT01bBVdmScR7ybjKSTWj3RYTq8lH81Qk4CHOOYXmxHffWuC6zO5jaLdxCOwI+VoRDwC5Qig== X-Received: by 2002:ac2:5a19:: with SMTP id q25mr3276lfn.36.1614202671867; Wed, 24 Feb 2021 13:37:51 -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 j18sm735889lfm.236.2021.02.24.13.37.51 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 u4so4160694ljh.6 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 Precedence: bulk Reply-To: linux-kernel@vger.kernel.org List-ID: X-Mailing-List: mm-commits@vger.kernel.org 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