From owner-dev-commits-src-main@freebsd.org Thu Sep 23 19:56:28 2021 Return-Path: Delivered-To: dev-commits-src-main@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 8695F6AC9ED; Thu, 23 Sep 2021 19:56:28 +0000 (UTC) (envelope-from markjdb@gmail.com) Received: from mail-qk1-x735.google.com (mail-qk1-x735.google.com [IPv6:2607:f8b0:4864:20::735]) (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 4HFmBh3DHxz4SkZ; Thu, 23 Sep 2021 19:56:28 +0000 (UTC) (envelope-from markjdb@gmail.com) Received: by mail-qk1-x735.google.com with SMTP id f130so25317482qke.6; Thu, 23 Sep 2021 12:56:28 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=sender:date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=Pl2I8+3Ws+8/ONyGOYuOszrFjYUxcpQIOF1aFxlQIO8=; b=VIY6B4OoaBFUFERugOrXnJX32ErUXG0kPNO/n87th65XeJSSqoFajX8V6+7w5CbgXu mcPBOhvdnSiYXQ1FjK2Qn9rszNz9ioyJNR/bbXBVe1p84Un+5fErF98MtV8lcpxjEHEl sWforFCMuc41FwX3ZWj6I+c6Gbqh406rCKIeVg3jOvduTBcKne1efoyMKUGcW9P7b0rw cIlK2QS/a6e4OGzdptHwMwPhV6/CFoGEPidjCurTVnx5k8qK1fOeogzAqmb56iXcXSWn OihZjX8sGtZ7WwQnII82Ej/UJ7o5k+aN2FOVblCD/zv8T1N/Iik7z6Jv5Uo62b964BOn 9iLQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:sender:date:from:to:cc:subject:message-id :references:mime-version:content-disposition:in-reply-to; bh=Pl2I8+3Ws+8/ONyGOYuOszrFjYUxcpQIOF1aFxlQIO8=; b=xDPA59dasQ9fyk70xTJGRJqPe9k/s7VynZkaMVD7R7Skeo0a7LcJhgQeExLVmOy6Vv ldKr3pvObjEt7Ihq7kVPrc82X2dGkaJXfG9PVA6CtGeROgzvcR+r5Ds57/Ba/MGOlWfU lT8S2r3KGBU53fC473f8qeP6qdRw7CbcRc4eeMcWpATE3qGK/28UZU1aHR1PPFfs59gH puJqfbAyhXkSi5MQx/lHSBPoDfIsz3HGi1fqKX7aVgxhvIgjKjSpbVYCANSFBGLf9aiL YRX8dXnjsDdU+diCMYn8WqtkOXNiivpJklpkVQWmUMdq0rkbEQtErMHgCzGmsS+SHabt /XOg== X-Gm-Message-State: AOAM5326ucFPGgTeY+EZTNVXC7pz5ovh8tn/ws3j6IYoxKPbfD+X55lY r3JzWfs2pXd+KKEvWloTW2sXIDfhtPqtBw== X-Google-Smtp-Source: ABdhPJwJ+enNRNO2PT39zOO5Jz9mEYkwcubcMHiS26tP0oS+S8h83Fhi+eEyAJ7ueQN+3mh5YT0Fnw== X-Received: by 2002:a37:bb07:: with SMTP id l7mr6806984qkf.123.1632426982510; Thu, 23 Sep 2021 12:56:22 -0700 (PDT) Received: from nuc ([142.126.175.192]) by smtp.gmail.com with ESMTPSA id d17sm4140983qte.0.2021.09.23.12.56.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 23 Sep 2021 12:56:21 -0700 (PDT) Sender: Mark Johnston Date: Thu, 23 Sep 2021 15:56:22 -0400 From: Mark Johnston To: Mateusz Guzik Cc: Konstantin Belousov , src-committers@freebsd.org, dev-commits-src-all@freebsd.org, dev-commits-src-main@freebsd.org Subject: Re: git: df8dd6025af8 - main - amd64: stop using top of the thread' kernel stack for FPU user save area Message-ID: References: <202109211721.18LHLFWM028927@gitrepo.freebsd.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Rspamd-Queue-Id: 4HFmBh3DHxz4SkZ 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-main@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Commit messages for the main branch of the src repository List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 23 Sep 2021 19:56:28 -0000 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