X-Recipient: archive-cygwin AT delorie DOT com DomainKey-Signature: a=rsa-sha1; c=nofws; d=sourceware.org; h=list-id :list-unsubscribe:list-subscribe:list-archive:list-post :list-help:sender:from:to:cc:subject:date:message-id:references :in-reply-to:content-type:content-id:content-transfer-encoding :mime-version; q=dns; s=default; b=XpUea3RPxMFOBRhoPj1GrlL+T7cV0 vZXFchp11lF+/+jR4wCmYu1YzktG3QZ+Hy7BqEAHamMp+6YKRRSMu41hTAY13oLK nB9J2QkFzQ9/Rj91cwsZ49lQ3axg1Rc33+m8PHKlKycEAFHQPUGYcCjSmAAXGLN/ 5yEdXhyP7YlFgk= DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=sourceware.org; h=list-id :list-unsubscribe:list-subscribe:list-archive:list-post :list-help:sender:from:to:cc:subject:date:message-id:references :in-reply-to:content-type:content-id:content-transfer-encoding :mime-version; s=default; bh=OV60uuM4UhIGqfZ6B9i+0QqtXXo=; b=OWR VEocZywsf6/EU30V/oGzybG7GugNP7f/d1X4J8U5owF6uaWSNd/GBqklgje8lNDl PUJJmbyDXrsL5uYTqsQOMHgHjrlJZzoBVVQ+bsF9Sblb2DHn4m3eUwpl7atXi5c8 L2OgW6gA3v80oKDOb94b6Y6fqRSMoUUuNDqQ2wUk= Mailing-List: contact cygwin-help AT cygwin DOT com; run by ezmlm List-Id: 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 Authentication-Results: sourceware.org; auth=none X-Spam-SWARE-Status: =?ISO-8859-1?Q?No, score=-1.9 required=5.0 tests=BAYES_00,RCVD_IN_DNSWL_NONE,SPF_HELO_PASS,SPF_PASS autolearn=ham version=3.3.1 spammy=Ken, UD:malloc_zero.c, =c3=adk, malloc_zeroc?= X-HELO: NAM03-DM3-obe.outbound.protection.outlook.com ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=IPk1IQ6zgZln1yOi+2wO6r+8IzZyAqh56mnBJ2oT4ED+y/TgyEmWgxGdhezFbEfGVIxVJsJhqQcw6DJ8Tu0EBa/A8PHKZg9B+1DqqBixC36i7NmgbO8VZhXCehmYj8Ez7YuAXfBQtSNdRhl/cwmRenCE7lQiDXV80lkxjpcqq9fesUrZVHY0pFix7aH6P6t5xwvZM6VuNWCFrDEDSNEs38CB9zCizW4Ola0LJcFMlodQAviDT9VGgd7yA3ceDXpHeDaZv+rx7ECLLJSahnnhmxnMu05vShU8L/lx198piGJCcQuZm7MRimot0wbM2pbLq4u3mVdyn0LQMNVOmA7xbA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=MFk7NgfgTDftx4kKfFNmDo3C8Ec/DY1HjFwQRnMc6U0=; b=dQxYYsFuIWkHU7vLBVH9bNhywpXzjLN6enI6zlSZbm3AMO2CfSc0UDU3fTE5viiWc02o0lqk/ZbNQ1GM1+NEEm0CfUJH2HlFKwhy35C/S1R6EI8ipcVvLhQl17+U+ZVsfvZ7fIzp2Wrnj1fz97gi2CqjJjcWsRsqOSPCfhDwnaukbZBqqYTSOkSLFAI1MQSSpgOZS+ZR8+VzWbOvUrp6SrF8e1lm90/G5Ij+Y8p7w7Rh9efysud98vdvKMVLVnm8OqR0EebNKClfUc66jiGtwp5x62VTmqYTcITuCzqdGXxLY+fdDKvolRVmC6knUn+d4HwvWUPe6sBuFfoBw2LvlQ== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=cornell.edu; dmarc=pass action=none header.from=cornell.edu; dkim=pass header.d=cornell.edu; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cornell.edu; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=MFk7NgfgTDftx4kKfFNmDo3C8Ec/DY1HjFwQRnMc6U0=; b=bNH//oX/9GoqS6CYw2xdpfMahJ9bcEAeckc7QCx0lFMG6T2UimtfQcnS2Va6yI5Ci+oyZsrzKn53Ls4L9sfMz9WO2U5rTTIR+l/6uy6RmGRifrRxKTSBpLvxtx9Z0fW6OmGT/fYXP9M9HAI4GW9GF+CoSa5+DioxGoAuprJ+Esc= From: Ken Brown To: =?utf-8?B?UGV0ciBTa2/EjcOtaw==?= CC: cygwin Subject: Re: malloc(0) crashing with SIGABRT Date: Fri, 13 Sep 2019 12:37:24 +0000 Message-ID: <4c1613f7-e763-d087-dd62-779ad5718647@cornell.edu> References: <366918d8-b505-45be-dc28-303579f17341 AT gmail DOT com> <78e19eb7-956e-cd05-a076-e56ce347bbbe AT gmail DOT com> In-Reply-To: user-agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.9.0 authentication-results: spf=none (sender IP is ) smtp.mailfrom=kbrown AT cornell DOT edu; x-ms-oob-tlc-oobclassifiers: OLM:127; received-spf: None (protection.outlook.com: cornell.edu does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-ms-exchange-transport-forked: True Content-Type: text/plain; charset="utf-8" Content-ID: <9913B2E541984F4E8B42FB6274D02015 AT namprd04 DOT prod DOT outlook DOT com> MIME-Version: 1.0 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: Zm5faxIfubPR+UKsZxEmYj6xXAlZDtwaoLDYaDRdgExT0Fc5TCgKZP2yzkMPhC49lW0PQ+kRCoTNeHSouaQkUw== X-IsSubscribed: yes Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from base64 to 8bit by delorie.com id x8DCc5nZ007780 On 9/13/2019 3:38 AM, Petr Skočík wrote: > On 9/12/19 6:12 PM, Ken Brown wrote: >> gcc -Wall -o malloc_zero malloc_zero.c > > My apologies. It was my own stupid mistake. > > ( > I had > > gcc -include stdlib.h -xc - <<<'int main(){ }' && ./a.out; echo $? > > where I would normally run $aout which in my shell setup is > a.exe on cygwin and a.out elsewhere, but this time I accidentally > typed a.out and I happened to have a Linux a.out there and that > was causing the crash. > ) No problem. I'm glad to hear there's no Cygwin issue. Ken -- 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