From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jakub Narebski Subject: Re: Reproducible crash in git merge Date: Tue, 29 Mar 2011 19:40:20 +0100 Message-ID: <201103292040.21419.jnareb@gmail.com> References: <7vr59s1lzu.fsf@alter.siamese.dyndns.org> Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Cc: David Gilman , git@vger.kernel.org To: Junio C Hamano X-From: git-owner@vger.kernel.org Tue Mar 29 20:40:39 2011 Return-path: Envelope-to: gcvg-git-2@lo.gmane.org Received: from vger.kernel.org ([209.132.180.67]) by lo.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1Q4dqJ-0005EQ-2O for gcvg-git-2@lo.gmane.org; Tue, 29 Mar 2011 20:40:39 +0200 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751580Ab1C2Sk1 (ORCPT ); Tue, 29 Mar 2011 14:40:27 -0400 Received: from mail-ww0-f44.google.com ([74.125.82.44]:59419 "EHLO mail-ww0-f44.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751212Ab1C2Sk0 (ORCPT ); Tue, 29 Mar 2011 14:40:26 -0400 Received: by wwa36 with SMTP id 36so536550wwa.1 for ; Tue, 29 Mar 2011 11:40:25 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:from:to:subject:date:user-agent:cc:references :in-reply-to:mime-version:content-type:content-transfer-encoding :content-disposition:message-id; bh=40nurFhxQsJQsRGbzp9y+zt3FkNFoNAkZ14gEvpwq6o=; b=ZEK2qAMeikRa0gTk7IB89FEsqxKK/KzgwNcdZxWqSjoN7lbO/aVHWmSKkoPD8dzwNr eEtofpZpiLl2zGFkl+IxX+rMxvlAjluGKdJ71oa14Fw59ZbXZbpeVmUNS8rHgAT62U+n lcLQAT3IoiGadm2wrDyDiQ3wA2vjOIdNoV1OI= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=from:to:subject:date:user-agent:cc:references:in-reply-to :mime-version:content-type:content-transfer-encoding :content-disposition:message-id; b=EIi3z0u6jHK77GEwFy6nFykfg1IloQquVPc3rpCTESZtmnou2XoDYJMRFjNILrMtMJ liqEccYRWwfbQp5lBLMoNbHn4TMpnOVrUIpYAxweZ/Rh8wFgVrvSeFcNUSMWKdmmqQqj cLBtuuGIJ/uDyjYsBAmDBuDkgmD+iTAwn0MJ8= Received: by 10.227.11.146 with SMTP id t18mr155517wbt.104.1301424024689; Tue, 29 Mar 2011 11:40:24 -0700 (PDT) Received: from [192.168.1.13] (abvv241.neoplus.adsl.tpnet.pl [83.8.219.241]) by mx.google.com with ESMTPS id bs4sm2575709wbb.52.2011.03.29.11.40.20 (version=TLSv1/SSLv3 cipher=OTHER); Tue, 29 Mar 2011 11:40:21 -0700 (PDT) User-Agent: KMail/1.9.3 In-Reply-To: <7vr59s1lzu.fsf@alter.siamese.dyndns.org> Content-Disposition: inline Sender: git-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org Archived-At: Junio C Hamano wrote: > Jakub Narebski writes: > > David Gilman writes: > > > > > Unfortunately I can't share the repo itself because of its contents. > > > > Does anyone remember the script that can be used to anonymize contents > > of repository that cannot be made public for debugging purposes? > > That might help in certain narrow other cases, but I suspect that it is a > way off tangent in this case, after looking at the stack trace. I'm sorry, I didn't examine stack trace... > The process is dying inside the platform implementation of memcpy of > inflate from zlib; unless the bug is reproduceable independent of the > contents, any modification done by contents anonymizer is very likely to > make this particular issue go away, don't you think? Well, assuming that issue is involved with sizes and not content, then possibly as long as anonymizer preserves sizes of objects. Which is not very likely. Anyway, from what I remember this heisenbug vanished mysteriously... -- Jakub Narebski Poland