From owner-svn-src-user@freebsd.org Mon Apr 20 19:15:11 2020 Return-Path: Delivered-To: svn-src-user@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 45EE72ABBD2 for ; Mon, 20 Apr 2020 19:15:11 +0000 (UTC) (envelope-from gnikl@justmail.de) Received: from mout0.freenet.de (mout0.freenet.de [IPv6:2001:748:100:40::2:2]) (using TLSv1.2 with cipher ECDHE-RSA-CHACHA20-POLY1305 (256/256 bits)) (Client CN "*.freenet.de", Issuer "TeleSec ServerPass Class 2 CA" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 495bxV1Qdyz3PrQ; Mon, 20 Apr 2020 19:15:09 +0000 (UTC) (envelope-from gnikl@justmail.de) Received: from [195.4.92.165] (helo=mjail2.freenet.de) by mout0.freenet.de with esmtpa (ID gnikl@justmail.de) (port 25) (Exim 4.92 #3) id 1jQbso-00061B-9p; Mon, 20 Apr 2020 21:15:06 +0200 Received: from [::1] (port=55774 helo=mjail2.freenet.de) by mjail2.freenet.de with esmtpa (ID gnikl@justmail.de) (Exim 4.92 #3) id 1jQbso-0003ET-7R; Mon, 20 Apr 2020 21:15:06 +0200 Received: from sub5.freenet.de ([195.4.92.124]:52018) by mjail2.freenet.de with esmtpa (ID gnikl@justmail.de) (Exim 4.92 #3) id 1jQbqI-0001Uv-F9; Mon, 20 Apr 2020 21:12:30 +0200 Received: from p5b3b3174.dip0.t-ipconnect.de ([91.59.49.116]:49344 helo=localhost) by sub5.freenet.de with esmtpsa (ID gnikl@justmail.de) (TLSv1.2:ECDHE-RSA-CHACHA20-POLY1305:256) (port 465) (Exim 4.92 #3) id 1jQbqI-0004mx-Bq; Mon, 20 Apr 2020 21:12:30 +0200 Date: Mon, 20 Apr 2020 21:12:28 +0200 From: Gunther Nikl To: Mark Johnston Cc: svn-src-user@freebsd.org Subject: Re: svn commit: r359820 - user/pho/stress2/misc Message-ID: <20200420211228.00001478@justmail.de> In-Reply-To: <20200412162539.GA2519@raichu> References: <202004120559.03C5xKI3099770@repo.freebsd.org> <20200412162539.GA2519@raichu> X-Mailer: Claws Mail 3.17.4 (GTK+ 2.24.32; x86_64-w64-mingw32) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Originated-At: 91.59.49.116!49344 X-Rspamd-Queue-Id: 495bxV1Qdyz3PrQ X-Spamd-Bar: / Authentication-Results: mx1.freebsd.org; dkim=none; dmarc=none; spf=none (mx1.freebsd.org: domain of gnikl@justmail.de has no SPF policy when checking 2001:748:100:40::2:2) smtp.mailfrom=gnikl@justmail.de X-Spamd-Result: default: False [-0.78 / 15.00]; ARC_NA(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; RCVD_COUNT_FIVE(0.00)[5]; NEURAL_HAM_MEDIUM(-0.88)[-0.880,0]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; NEURAL_HAM_LONG(-0.63)[-0.626,0]; MIME_GOOD(-0.10)[text/plain]; RCVD_TLS_LAST(0.00)[]; DMARC_NA(0.00)[justmail.de]; AUTH_NA(1.00)[]; IP_SCORE(-0.17)[ip: (-0.27), ipnet: 2001:748::/32(-0.28), asn: 5430(-0.29), country: DE(-0.02)]; RCPT_COUNT_TWO(0.00)[2]; RCVD_IN_DNSWL_NONE(0.00)[2.0.0.0.2.0.0.0.0.0.0.0.0.0.0.0.0.4.0.0.0.0.1.0.8.4.7.0.1.0.0.2.list.dnswl.org : 127.0.5.0]; R_SPF_NA(0.00)[]; FROM_EQ_ENVFROM(0.00)[]; R_DKIM_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; ASN(0.00)[asn:5430, ipnet:2001:748::/32, country:DE]; MID_RHS_MATCH_FROM(0.00)[]; RECEIVED_SPAMHAUS_PBL(0.00)[116.49.59.91.khpj7ygk5idzvmvt5x4ziurxhy.zen.dq.spamhaus.net : 127.0.0.10] X-BeenThere: svn-src-user@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "SVN commit messages for the experimental " user" src tree" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 20 Apr 2020 19:15:11 -0000 [CC trimmed] On Sun, Apr 12 2020 12:25:39 -0400, Mark Johnston wrote: > > There is a bug in old reproducers that causes them to fail. > Specifically, the call: > > syscall(SYS_mmap, 0x20000000, 0x1000000, 3, 0x1012, -1, 0); > > should be > > syscall(SYS_mmap, 0x20000000, 0x1000000, 3, 0x1012, -1, 0ul); I wonder what Bruce Evans would have said about this. Using a cast for the terminating parameter would achieve the same result but there probably is not an always correct pick available. > There is some discussion of the problem here: > https://github.com/google/syzkaller/pull/1493 Regards, Gunther Nikl