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Re: [PATCH] Ignore LD_POINTER_GUARD for set-user-ID/set-group-ID binaries.

From: Mike Frysinger <vapier at gentoo dot org>
To: Florian Weimer <fweimer at redhat dot com>
Cc: GNU C Library <libc-alpha at sourceware dot org>, Carlos O'Donell <carlos at redhat dot com>, Hector Marco-Gisbert <hecmargi at upv dot es>, "Joseph S. Myers" <joseph at codesourcery dot com>, Siddhesh Poyarekar <siddhesh at redhat dot com>, Andreas Jaeger <aj at suse dot com>, Ismael Ripoll Ripoll <iripoll at upv dot es>, mtk dot manpages at gmail dot com
Date: Wed, 14 Oct 2015 23:53:06 -0400
Subject: Re: [PATCH] Ignore LD_POINTER_GUARD for set-user-ID/set-group-ID binaries.
Authentication-results: sourceware.org; auth=none
References: <1441471191-4683-1-git-send-email-hecmargi at upv dot es> <56162CD0 dot 4070902 at redhat dot com> <5618710F dot 6060406 at redhat dot com> <20151011001054 dot GC4119 at vapier dot lan> <561D0E20 dot 3000409 at redhat dot com>

On 13 Oct 2015 15:58, Florian Weimer wrote:
> Always enable pointer guard [BZ #18928]
> 
> Honoring the LD_POINTER_GUARD environment variable in AT_SECURE mode
> has security implications. This commit enables pointer guard
> unconditionally, and the environment variable is now ignored.

lgtm

cc-ing Michael Kerrisk for man-page upate to ldso(8)
-mike

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References:
- Re: [PATCH] Ignore LD_POINTER_GUARD for set-user-ID/set-group-ID binaries.
  - From: Florian Weimer
- Re: [PATCH] Ignore LD_POINTER_GUARD for set-user-ID/set-group-ID binaries.
  - From: Carlos O'Donell
- Re: [PATCH] Ignore LD_POINTER_GUARD for set-user-ID/set-group-ID binaries.
  - From: Mike Frysinger
- Re: [PATCH] Ignore LD_POINTER_GUARD for set-user-ID/set-group-ID binaries.
  - From: Florian Weimer

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