X-Recipient: archive-cygwin AT delorie DOT com X-SWARE-Spam-Status: No, hits=-5.1 required=5.0 tests=AWL,BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,KHOP_RCVD_TRUST,KHOP_THREADED,RCVD_IN_DNSWL_LOW,RCVD_IN_HOSTKARMA_YE,RP_MATCHES_RCVD X-Spam-Check-By: sourceware.org X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type:x-system-of-record:x-gm-message-state; bh=97lcPXFa8uI4fJF/A+FGAuKMpZqRQk9yh0YokLMV9UQ=; b=ZKDnjt80FC9t9MVT8FEFAyJIR2i3h5bGpUl73WCMrfslNwLGnyc6TjBC1paPxipOhM pYiNsG8cV7JxyPIa1y3FjnDDOEWkHD2O3qszHPDRnDAAxkQEGF5cR1jUGIaGlEx5IpPP KxgK6u5u6BHISRKomPJfbL0ys+HnGpTAg75XvZNm9esTusA4gxiZHQs2WZFtPFDhjChl yZ8+ibhDCu2uYUJphlEKRbzPIrrDAmdzSAnR83KQA6dByHaZ8/wtgTwvo1lD+2f0Cwmw um357O1Ts3hm+hPHvZ+x+GwAsjInRHd/qps8sLKNPMkd8KbE5Jmwco8IWECYbtk/D2hR rYEQ== MIME-Version: 1.0 In-Reply-To: References: Date: Mon, 17 Sep 2012 13:00:33 +0400 Message-ID: Subject: Re: Cygwin crashes in kill_pgrp, _pinfo truncation issue. From: Andrey Khalyavin To: cygwin AT cygwin DOT com Content-Type: text/plain; charset=ISO-8859-1 X-System-Of-Record: true X-Gm-Message-State: ALoCoQm7xiHGBxddQvdxFn9lwDHZSGR/t+OZEPzBWwTdHrdZ2NKhjaGNQ3JmNI8u5yr8XB253djtzrdzOiZ7cZI8F8yCAs+A1sIuS7gDIt91QKsfw3/DFeEiGFEsgE4wWmbKMSgnanV2hXZY7IBNQowmEmzp+GL39R4DYZ9EqeCvn9d6/A141uj6LnTEsAtQ8IXQ4UTs57ru Mailing-List: contact cygwin-help AT cygwin DOT com; run by ezmlm Precedence: bulk List-Id: List-Unsubscribe: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner AT cygwin DOT com Mail-Followup-To: cygwin AT cygwin DOT com Delivered-To: mailing list cygwin AT cygwin DOT com 2012/8/23 Andrey Khalyavin wrote: > > I got two more crash dumps from our bots running 20120816 snapshot. > Both of them crashed in this place. process_state equals to > PID_IN_USE | PIE_EXECED and your new check in _pinfo::exist is really there. > So the race condition on process_state field does happens in practice. > > Andrey Khalyavin I removed _pinfo truncation optimization and now all crashes are gone. Andrey Khalyavin -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple