From owner-freebsd-current@freebsd.org Fri Jan 27 23:59:09 2017 Return-Path: Delivered-To: freebsd-current@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 0147BCC4721 for ; Fri, 27 Jan 2017 23:59:09 +0000 (UTC) (envelope-from truckman@FreeBSD.org) Received: from mailman.ysv.freebsd.org (unknown [127.0.1.3]) by mx1.freebsd.org (Postfix) with ESMTP id E4F4F75E for ; Fri, 27 Jan 2017 23:59:08 +0000 (UTC) (envelope-from truckman@FreeBSD.org) Received: by mailman.ysv.freebsd.org (Postfix) id E1695CC4720; Fri, 27 Jan 2017 23:59:08 +0000 (UTC) Delivered-To: current@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 E1164CC471F for ; Fri, 27 Jan 2017 23:59:08 +0000 (UTC) (envelope-from truckman@FreeBSD.org) Received: from gw.catspoiler.org (unknown [IPv6:2602:304:b010:ef20::f2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "gw.catspoiler.org", Issuer "gw.catspoiler.org" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id AB30675D for ; Fri, 27 Jan 2017 23:59:08 +0000 (UTC) (envelope-from truckman@FreeBSD.org) Received: from FreeBSD.org (mousie.catspoiler.org [192.168.101.2]) by gw.catspoiler.org (8.15.2/8.15.2) with ESMTP id v0RNx1FZ022019; Fri, 27 Jan 2017 15:59:05 -0800 (PST) (envelope-from truckman@FreeBSD.org) Message-Id: <201701272359.v0RNx1FZ022019@gw.catspoiler.org> Date: Fri, 27 Jan 2017 15:59:01 -0800 (PST) From: Don Lewis Subject: Re: malloc() call somehow calling the rtld malloc() implementaion To: janm@transactionware.com cc: current@FreeBSD.org In-Reply-To: MIME-Version: 1.0 Content-Type: TEXT/plain; charset=us-ascii X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 27 Jan 2017 23:59:09 -0000 On 28 Jan, Jan Mikkelsen wrote: > Hi, > > Are you being affected by this rtld behaviour: > > https://lists.freebsd.org/pipermail/freebsd-hackers/2016-July/049769.html > > https://lists.freebsd.org/pipermail/freebsd-stable/2015-July/082751.html > > (I still find this a bit scary.) That's not rtld, it's the kernel linker. Yes, I have also encountered that, though in my case the effect was that it hid the fact that the target symbol was not exported. There was a linking failure on i386, which the amd64-only testing did not uncover.