From owner-freebsd-net@freebsd.org Thu Sep 6 15:39:26 2018 Return-Path: Delivered-To: freebsd-net@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 205C6FFEC24 for ; Thu, 6 Sep 2018 15:39:26 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mailman.ysv.freebsd.org (mailman.ysv.freebsd.org [IPv6:2001:1900:2254:206a::50:5]) by mx1.freebsd.org (Postfix) with ESMTP id B22917CB16 for ; Thu, 6 Sep 2018 15:39:25 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: by mailman.ysv.freebsd.org (Postfix) id 74206FFEC22; Thu, 6 Sep 2018 15:39:25 +0000 (UTC) Delivered-To: net@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 62CB1FFEC21 for ; Thu, 6 Sep 2018 15:39:25 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.ysv.freebsd.org (mxrelay.ysv.freebsd.org [IPv6:2001:1900:2254:206a::19:3]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "mxrelay.ysv.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 025317CB0F for ; Thu, 6 Sep 2018 15:39:25 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2001:1900:2254:206a::16:76]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.ysv.freebsd.org (Postfix) with ESMTPS id 49A4E27062 for ; Thu, 6 Sep 2018 15:39:24 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.118]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id w86FdOEP060740 for ; Thu, 6 Sep 2018 15:39:24 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id w86FdOn1060739 for net@FreeBSD.org; Thu, 6 Sep 2018 15:39:24 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: net@FreeBSD.org Subject: [Bug 210726] tcp connect() can return invalid EADDRINUSE Date: Thu, 06 Sep 2018 15:39:23 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: CURRENT X-Bugzilla-Keywords: patch X-Bugzilla-Severity: Affects Some People X-Bugzilla-Who: king.c.david@googlemail.com X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: net@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.27 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 06 Sep 2018 15:39:26 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D210726 --- Comment #11 from David King --- Not a script as such, however, to reproduce i create 2 jails with same IP, reduce the ephemeral port range to increase the probability of hitting the issue net.inet.ip.portrange.hifirst: 51000 net.inet.ip.portrange.hilast: 5200 and run the following script in each jail and compare the logs, i'm sure th= ere is an easy way to do this with shell, but I couldn't get the low level error with curl #!/usr/local/bin/python import requests import logging import threading logging.basicConfig(filename=3D'/tmp/python.log',level=3Dlogging.INFO) def makerequests(): try: r =3D requests.get(<% choose a local URL %>) except Exception as e: logging.info(e) for i in range(0,10000): t =3D threading.Thread(target=3Dmakerequests) t.start() --=20 You are receiving this mail because: You are the assignee for the bug.=