From owner-dev-commits-src-all@freebsd.org Thu Sep 23 20:06:51 2021 Return-Path: Delivered-To: dev-commits-src-all@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 844C46AD15D; Thu, 23 Sep 2021 20:06:51 +0000 (UTC) (envelope-from mjguzik@gmail.com) Received: from mail-lf1-x130.google.com (mail-lf1-x130.google.com [IPv6:2a00:1450:4864:20::130]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "smtp.gmail.com", Issuer "GTS CA 1O1" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4HFmQg36chz4VKk; Thu, 23 Sep 2021 20:06:51 +0000 (UTC) (envelope-from mjguzik@gmail.com) Received: by mail-lf1-x130.google.com with SMTP id b20so30948775lfv.3; Thu, 23 Sep 2021 13:06:51 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc; bh=CcihJp2kvRcbsJ6/bvBwLyanDY/36LBwphRYaZT3tUA=; b=K6OyHf0QjAwY+LZoI3BWRw5AnDl8Mua9Tb9dVKLeYtxgc0sy9CKPAFV/lT8QVF/f8g LHFyyGDHzUlU+uHYAoN8ekBY4c7XvZoJkduDanZOLYMlT7xVgga6i32ecce6gbxeuR7M 1jIuXiccZlrBLIk5u1hJFGUXGeBbGa9/NSwTYmpetYd0MGzeJ6rAKHFjeQ8TTsqhpalX ZFD8PakWFUL7Q+OKiVmuG+iC/AjlPZu6glvO2hv0Z05zuG5LMSo8Il/RNe/52gLVc3Mz 0O7A6xewKJkOqPLPSmRNcaZTqXUR6yuwAvKaoGWK7/rC7W2rxuIoi9PpUCG6z6WmUKsz k74A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc; bh=CcihJp2kvRcbsJ6/bvBwLyanDY/36LBwphRYaZT3tUA=; b=6N0N0lmYOjodTTvP5mqvoEXumAc0YRZQiGzRc4ft21B4JWmmCb637N6GdwK06eQqpV MtzY+5rn3xi0vtjIwzsM8B7Tnsq3lc/LaFqMRDIzubqMDdsXf+inpnWzpCXHKeOePWl4 wsUyK4bEThwL/MTjP2KGPwTCSk3FOoqvp0RkirfV4LOxbVOQ+zP8qEfRbiwKaND/BooS cRW0Z+RBJiUbr0CO0ovfRj9kiy8+wR8jVqwJOSqZ/kaKrHsXxdfuzk6S7pvFNmk6ohSZ 3KcK1VT0nW/i/SrtY/6uGBeWX+lXA4J6sfSD1cnDB44uIWhBffP5nDQMfmq8Nie+c9Aa p3NA== X-Gm-Message-State: AOAM531QcoQDtjA6idi86pbIhqZnMEKPKqUNp2omVoIUCxD9ghNP2W7C AQEp8yuv/WDbquwLT9GQNrBy+rwS5rj1kJS3+QPOUoAQ X-Google-Smtp-Source: ABdhPJyIwzauJnbVmBFnbx9D/xNQiXTMUj1mD3gFP7MHffHgknQoM7wlsTZeI9f5omrhEqAk64tin9rn5Hx8zdPqaXs= X-Received: by 2002:a2e:a231:: with SMTP id i17mr7092597ljm.233.1632427610226; Thu, 23 Sep 2021 13:06:50 -0700 (PDT) MIME-Version: 1.0 Received: by 2002:a2e:2f18:0:0:0:0:0 with HTTP; Thu, 23 Sep 2021 13:06:49 -0700 (PDT) In-Reply-To: References: <202109211721.18LHLFWM028927@gitrepo.freebsd.org> From: Mateusz Guzik Date: Thu, 23 Sep 2021 22:06:49 +0200 Message-ID: Subject: Re: git: df8dd6025af8 - main - amd64: stop using top of the thread' kernel stack for FPU user save area To: Mark Johnston Cc: Konstantin Belousov , src-committers@freebsd.org, dev-commits-src-all@freebsd.org, dev-commits-src-main@freebsd.org Content-Type: text/plain; charset="UTF-8" X-Rspamd-Queue-Id: 4HFmQg36chz4VKk X-Spamd-Bar: ---- Authentication-Results: mx1.freebsd.org; none X-Spamd-Result: default: False [-4.00 / 15.00]; REPLY(-4.00)[] X-BeenThere: dev-commits-src-all@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Commit messages for all branches of the src repository List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 23 Sep 2021 20:06:51 -0000 On 9/23/21, Mark Johnston wrote: > On Thu, Sep 23, 2021 at 09:49:47PM +0200, Mateusz Guzik wrote: >> On 9/21/21, Konstantin Belousov wrote: >> > The branch main has been updated by kib: >> > >> > URL: >> > https://cgit.FreeBSD.org/src/commit/?id=df8dd6025af88a99d34f549fa9591a9b8f9b75b1 >> > >> > commit df8dd6025af88a99d34f549fa9591a9b8f9b75b1 >> > Author: Konstantin Belousov >> > AuthorDate: 2021-09-13 21:05:47 +0000 >> > Commit: Konstantin Belousov >> > CommitDate: 2021-09-21 17:20:15 +0000 >> > >> > amd64: stop using top of the thread' kernel stack for FPU user save >> > area >> > >> >> This causes KASAN to crash on boot: >> >> panic: ASan: Invalid access, 192-byte read at 0xffffffff84105f40, > > Try grabbing https://reviews.freebsd.org/D32057 > This indeed takes care of it, thanks. -- Mateusz Guzik