From owner-freebsd-bugs@FreeBSD.ORG  Fri Apr 24 18:06:16 2015
Return-Path: <owner-freebsd-bugs@FreeBSD.ORG>
Delivered-To: freebsd-bugs@FreeBSD.org
Received: from mx1.freebsd.org (mx1.freebsd.org
 [IPv6:2001:1900:2254:206a::19:1])
 (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits))
 (No client certificate requested)
 by hub.freebsd.org (Postfix) with ESMTPS id A22E3BC2
 for <freebsd-bugs@FreeBSD.org>; Fri, 24 Apr 2015 18:06:16 +0000 (UTC)
Received: from kenobi.freebsd.org (kenobi.freebsd.org
 [IPv6:2001:1900:2254:206a::16:76])
 (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits))
 (Client did not present a certificate)
 by mx1.freebsd.org (Postfix) with ESMTPS id 8BE391E59
 for <freebsd-bugs@FreeBSD.org>; Fri, 24 Apr 2015 18:06:16 +0000 (UTC)
Received: from bugs.freebsd.org ([127.0.1.118])
 by kenobi.freebsd.org (8.14.9/8.14.9) with ESMTP id t3OI6Gre015163
 for <freebsd-bugs@FreeBSD.org>; Fri, 24 Apr 2015 18:06:16 GMT
 (envelope-from bugzilla-noreply@freebsd.org)
From: bugzilla-noreply@freebsd.org
To: freebsd-bugs@FreeBSD.org
Subject: [Bug 187114] rtld(1) does not expand $ORIGIN unless DF_ORIGIN flag
 is set
Date: Fri, 24 Apr 2015 18:06:16 +0000
X-Bugzilla-Reason: AssignedTo
X-Bugzilla-Type: changed
X-Bugzilla-Watch-Reason: None
X-Bugzilla-Product: Base System
X-Bugzilla-Component: bin
X-Bugzilla-Version: 11.0-CURRENT
X-Bugzilla-Keywords: 
X-Bugzilla-Severity: Affects Some People
X-Bugzilla-Who: emaste@freebsd.org
X-Bugzilla-Status: Open
X-Bugzilla-Priority: Normal
X-Bugzilla-Assigned-To: freebsd-bugs@FreeBSD.org
X-Bugzilla-Target-Milestone: ---
X-Bugzilla-Flags: 
X-Bugzilla-Changed-Fields: 
Message-ID: <bug-187114-8-Vd1IzGqC9y@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-187114-8@https.bugs.freebsd.org/bugzilla/>
References: <bug-187114-8@https.bugs.freebsd.org/bugzilla/>
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: 7bit
X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/
Auto-Submitted: auto-generated
MIME-Version: 1.0
X-BeenThere: freebsd-bugs@freebsd.org
X-Mailman-Version: 2.1.20
Precedence: list
List-Id: Bug reports <freebsd-bugs.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/options/freebsd-bugs>,
 <mailto:freebsd-bugs-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-bugs/>
List-Post: <mailto:freebsd-bugs@freebsd.org>
List-Help: <mailto:freebsd-bugs-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-bugs>,
 <mailto:freebsd-bugs-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Fri, 24 Apr 2015 18:06:16 -0000

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=187114

--- Comment #1 from Ed Maste <emaste@freebsd.org> ---
When the dynamic linker loads an object that uses $ORIGIN, it must calculate
the pathname of the directory containing the object. Because this calculation
can be computationally expensive, implementations may want to avoid the
calculation for objects that do not use $ORIGIN. If an object calls dlopen()
with a string containing $ORIGIN and does not use $ORIGIN in one if its dynamic
array entries, the dynamic linker may not have calculated the pathname for the
object until the dlopen() actually occurs. Since the application may have
changed its current working directory before the dlopen() call, the calculation
may not yield the correct result. To avoid this possibility, an object may
signal its intention to reference $ORIGIN by setting the DF_ORIGIN flag. An
implementation may reject an attempt to use $ORIGIN within a dlopen() call from
an object that did not set the DF_ORIGIN flag and did not use $ORIGIN within
its dynamic array.

-- 
You are receiving this mail because:
You are the assignee for the bug.