From nobody Fri Sep 09 11:07:34 2022 X-Original-To: dev-commits-src-main@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4MPCrh5sH0z4cNSy; Fri, 9 Sep 2022 11:07:48 +0000 (UTC) (envelope-from kostikbel@gmail.com) Received: from kib.kiev.ua (kib.kiev.ua [IPv6:2001:470:d5e7:1::1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 4MPCrg42Hlz3VBl; Fri, 9 Sep 2022 11:07:47 +0000 (UTC) (envelope-from kostikbel@gmail.com) Received: from tom.home (kib@localhost [127.0.0.1]) by kib.kiev.ua (8.16.1/8.16.1) with ESMTPS id 289B7ZoK098006 (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384 bits=256 verify=NO); Fri, 9 Sep 2022 14:07:38 +0300 (EEST) (envelope-from kostikbel@gmail.com) Received: (from kostik@localhost) by tom.home (8.16.1/8.16.1/Submit) id 289B7YBv098005; Fri, 9 Sep 2022 14:07:34 +0300 (EEST) (envelope-from kostikbel@gmail.com) X-Authentication-Warning: tom.home: kostik set sender to kostikbel@gmail.com using -f Date: Fri, 9 Sep 2022 14:07:34 +0300 From: Konstantin Belousov To: =?utf-8?Q?T=C4=B3l?= Coosemans Cc: pho@freebsd.org, src-committers@freebsd.org, dev-commits-src-all@freebsd.org, dev-commits-src-main@freebsd.org Subject: Re: git: 95f773e59482 - main - i386 copyout_fast: improve detection of a fault on accessing userspace Message-ID: References: <20220906171826.1629cfcf@FreeBSD.org> <20220906231745.1a0f3c15@FreeBSD.org> <20220907183804.29829b14@FreeBSD.org> <20220908144909.7e6a0d6b@FreeBSD.org> <20220908190009.6377b71a@FreeBSD.org> <20220909102014.7b89aa92@FreeBSD.org> List-Id: Commit messages for the main branch of the src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-main List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-dev-commits-src-main@freebsd.org X-BeenThere: dev-commits-src-main@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20220909102014.7b89aa92@FreeBSD.org> X-Spam-Status: No, score=-1.0 required=5.0 tests=ALL_TRUSTED,BAYES_00, DKIM_ADSP_CUSTOM_MED,FORGED_GMAIL_RCVD,FREEMAIL_FROM, NML_ADSP_CUSTOM_MED autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on tom.home X-Rspamd-Queue-Id: 4MPCrg42Hlz3VBl X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org; dkim=none; dmarc=fail reason="No valid SPF, No valid DKIM" header.from=gmail.com (policy=none); spf=softfail (mx1.freebsd.org: 2001:470:d5e7:1::1 is neither permitted nor denied by domain of kostikbel@gmail.com) smtp.mailfrom=kostikbel@gmail.com X-Spamd-Result: default: False [-2.98 / 15.00]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_SHORT(-0.99)[-0.993]; NEURAL_HAM_MEDIUM(-0.99)[-0.991]; DMARC_POLICY_SOFTFAIL(0.10)[gmail.com : No valid SPF, No valid DKIM,none]; MIME_GOOD(-0.10)[text/plain]; MLMMJ_DEST(0.00)[dev-commits-src-all@freebsd.org,dev-commits-src-main@freebsd.org]; FROM_EQ_ENVFROM(0.00)[]; R_DKIM_NA(0.00)[]; ASN(0.00)[asn:6939, ipnet:2001:470::/32, country:US]; MIME_TRACE(0.00)[0:+]; RCVD_TLS_LAST(0.00)[]; RCVD_COUNT_THREE(0.00)[3]; RCPT_COUNT_FIVE(0.00)[5]; R_SPF_SOFTFAIL(0.00)[~all:c]; TO_DN_SOME(0.00)[]; FROM_HAS_DN(0.00)[]; FREEMAIL_ENVFROM(0.00)[gmail.com]; FREEMAIL_FROM(0.00)[gmail.com]; HAS_XAW(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; ARC_NA(0.00)[] X-ThisMailContainsUnwantedMimeParts: N On Fri, Sep 09, 2022 at 10:20:14AM +0200, Tijl Coosemans wrote: > On Thu, 8 Sep 2022 23:16:56 +0300 Konstantin Belousov > wrote: > > I updated my ast branch to the commit 6bf5c0aad02323a, which hopefully > > would fix the issue. > > In copyout_fast %edx has to point to copyout_fault before pf_y1 now. Thank you for noting, should be fixed in b8ca8e5f91ee