From owner-svn-src-head@freebsd.org Tue Jan 2 17:28:36 2018 Return-Path: Delivered-To: svn-src-head@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 0D2E0EB0157; Tue, 2 Jan 2018 17:28:36 +0000 (UTC) (envelope-from cse.cem@gmail.com) Received: from mail-it0-f45.google.com (mail-it0-f45.google.com [209.85.214.45]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id D2CDB6A099; Tue, 2 Jan 2018 17:28:35 +0000 (UTC) (envelope-from cse.cem@gmail.com) Received: by mail-it0-f45.google.com with SMTP id 68so40088881ite.4; Tue, 02 Jan 2018 09:28:35 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:reply-to:in-reply-to:references :from:date:message-id:subject:to:cc; bh=xlEhkcFPdOK1L/wJ9ZD5ohmEe9nixmf2OgLzWq6g46A=; b=grHgSKO+yWGj/y4AYATRPNX+Uk65eANEssRkB+3odBghqAf0HENKlsmos8K2QEUFk3 6DxLmpj3vwj225+c+B3FyjoBc6lED/gcpDUdvmCxs5OiNJVBPOV4F54St6YHac8/K46g Wd12WWeCjNkb4qdaOunFbgxK2pKVcS+bDJSzhnu6F+arOwJ35DJ4J9g7ir/w3T6RspyP yEltxW7gvWfimIOJPUA0svQL33Gof/xG7S2lJhloVcqKkxXA5xb7PwHWKogtn6jJicRE 4pNB/gATu443ccwfQj1N/ymz76OUVy/CP6oLcNwb+J0ZWVzGtukDoH/DsNS/XwNiAqRm M9Aw== X-Gm-Message-State: AKGB3mJaxRfGHH5IVEBBMDdOQDoopcZaUX9p/mF7LW27WC1tGunus0eg wAfIBjQgLgf5reiEvD3qL3LYbDMc X-Google-Smtp-Source: ACJfBosPAkqXM5jTUn+O5UHsi+aQzFaODVqgwyVHEm1/zwh2MjjRBHZPG8STG/jvjA/jbk3/4Oo1dg== X-Received: by 10.36.69.4 with SMTP id y4mr62024516ita.75.1514914109537; Tue, 02 Jan 2018 09:28:29 -0800 (PST) Received: from mail-it0-f43.google.com (mail-it0-f43.google.com. [209.85.214.43]) by smtp.gmail.com with ESMTPSA id b74sm16772024itd.19.2018.01.02.09.28.29 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 02 Jan 2018 09:28:29 -0800 (PST) Received: by mail-it0-f43.google.com with SMTP id b5so39431148itc.3; Tue, 02 Jan 2018 09:28:29 -0800 (PST) X-Received: by 10.36.228.68 with SMTP id o65mr62182948ith.128.1514914109083; Tue, 02 Jan 2018 09:28:29 -0800 (PST) MIME-Version: 1.0 Reply-To: cem@freebsd.org Received: by 10.2.15.193 with HTTP; Tue, 2 Jan 2018 09:28:28 -0800 (PST) In-Reply-To: <201801021725.w02HPDaj068477@repo.freebsd.org> References: <201801021725.w02HPDaj068477@repo.freebsd.org> From: Conrad Meyer Date: Tue, 2 Jan 2018 09:28:28 -0800 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: svn commit: r327495 - head/usr.sbin/rpcbind To: svn-src-head@freebsd.org Cc: src-committers , svn-src-all@freebsd.org Content-Type: text/plain; charset="UTF-8" X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.25 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 02 Jan 2018 17:28:36 -0000 On Tue, Jan 2, 2018 at 9:25 AM, Conrad Meyer wrote: > Author: cem > Date: Tue Jan 2 17:25:13 2018 > New Revision: 327495 > URL: https://svnweb.freebsd.org/changeset/base/327495 > > Log: > rpcbind: Fix race in signal termination > > If a signal was delivered while the main thread was not in poll(2) and after > check was performed, we could reenter poll and never detect termination. Fix > this with the pipefd trick. (This race was introduced very recently, in > r327482.) > > PR: 224503 > Reported by: kib > Reviewed by: kib, markj > Sponsored by: Dell EMC Isilon I forgot: Differential Revision: https://reviews.freebsd.org/D13732 Thanks, Conrad