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[Bug dynamic-link/18928] LD_POINTER_GUARD is not ignored for privileged binaries

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The branch, release/2.18/master has been updated
       via  325241608584653c1275a2ea28ce349a04fc4d28 (commit)
       via  161a7ef860561b0738f953c533eb8920cbf0b813 (commit)
       via  f0cb70a25452585ff950b3a89f811ea3d473ae83 (commit)
       via  80e44fad705561e39d8001c8258a8bae9c149fc7 (commit)
      from  d4deb63367247eaddcbe10b872d39ff70659eaf4 (commit)

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- Log -----------------------------------------------------------------;h=325241608584653c1275a2ea28ce349a04fc4d28

commit 325241608584653c1275a2ea28ce349a04fc4d28
Author: Paul Pluzhnikov <>
Date:   Sun Feb 22 12:01:47 2015 -0800

    Fix BZ #17269 -- _IO_wstr_overflow integer overflow

    (cherry picked from commit bdf1ff052a8e23d637f2c838fa5642d78fcedc33)


commit 161a7ef860561b0738f953c533eb8920cbf0b813
Author: Andreas Schwab <>
Date:   Thu Feb 26 14:55:24 2015 +0100

    Fix read past end of pattern in fnmatch (bug 18032)

    (cherry picked from commit 4a28f4d55a6cc33474c0792fe93b5942d81bf185)


commit f0cb70a25452585ff950b3a89f811ea3d473ae83
Author: Florian Weimer <>
Date:   Tue Oct 6 13:12:36 2015 +0200

    Harden tls_dtor_list with pointer mangling [BZ #19018]

    (cherry picked from commit f586e1328681b400078c995a0bb6ad301ef73549)


commit 80e44fad705561e39d8001c8258a8bae9c149fc7
Author: Florian Weimer <>
Date:   Thu Oct 15 09:23:07 2015 +0200

    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.

            [BZ #18928]
            * sysdeps/generic/ldsodefs.h (struct rtld_global_ro): Remove
            _dl_pointer_guard member.
            * elf/rtld.c (_rtld_global_ro): Remove _dl_pointer_guard
            (security_init): Always set up pointer guard.
            (process_envvars): Do not process LD_POINTER_GUARD.

    (cherry picked from commit a014cecd82b71b70a6a843e250e06b541ad524f7)



Summary of changes:
 ChangeLog                                   |   30 +++++++++++++++++++++++++++
 NEWS                                        |    5 +++-
 elf/rtld.c                                  |   15 +++---------
 libio/wstrops.c                             |    8 ++++++-
 posix/fnmatch_loop.c                        |    5 +--
 stdlib/tst-system.c => posix/tst-fnmatch3.c |   16 ++++++++------
 stdlib/cxa_thread_atexit_impl.c             |   12 +++++++++-
 sysdeps/generic/ldsodefs.h                  |    3 --
 8 files changed, 66 insertions(+), 28 deletions(-)
 copy stdlib/tst-system.c => posix/tst-fnmatch3.c (72%)

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