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[Bug network/14889] CVE-2011-4609 svc_run() produces high cpu usage when accept() fails with EMFILE


https://sourceware.org/bugzilla/show_bug.cgi?id=14889

--- Comment #3 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".

The branch, ibm/2.16/master has been created
        at  ec36394743c15fedca294219f2254b180c4e327c (commit)

- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=ec36394743c15fedca294219f2254b180c4e327c

commit ec36394743c15fedca294219f2254b180c4e327c
Author: Andreas Schwab <schwab@suse.de>
Date:   Mon Jan 21 17:41:28 2013 +0100

    Fix parsing of numeric hosts in gethostbyname_r

    Conflicts:
        ChangeLog
        NEWS

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=20ac5d44837b82c064dfabd3646ec1f4f6826263

commit 20ac5d44837b82c064dfabd3646ec1f4f6826263
Author: Siddhesh Poyarekar <siddhesh@redhat.com>
Date:   Mon Nov 19 13:01:43 2012 +0530

    Return EAI_SYSTEM if we're out of file descriptors

    Resolves BZ #14719.

    Conflicts:
        ChangeLog
        NEWS

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=dfc25d72984eb5a3354e104612d0ca0129af3f98

commit dfc25d72984eb5a3354e104612d0ca0129af3f98
Author: Adhemerval Zanella <azanella@linux.vnet.ibm.com>
Date:   Wed Sep 25 13:43:04 2013 -0500

    PowerPC: Fix POINTER_CHK_GUARD thread register for PPC64

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1442655ba419867ce1a045a97cdd7904ac1ad516

commit 1442655ba419867ce1a045a97cdd7904ac1ad516
Author: Adhemerval Zanella <azanella@linux.vnet.ibm.com>
Date:   Mon Jan 20 12:29:51 2014 -0600

    PowerPC: Fix gettimeofday ifunc selection

    The IFUNC selector for gettimeofday runs before _libc_vdso_platform_setup
where
    __vdso_gettimeofday is set. The selector then sets __gettimeofday (the
internal
    version used within GLIBC) to use the system call version instead of the
vDSO one.
    This patch changes the check if vDSO is available to get its value directly
    instead of rely on __vdso_gettimeofday.

    This patch changes it by getting the vDSO value directly.

    It fixes BZ#16431.

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1bdb6daceb10307543599df3b118afd2109d2ec8

commit 1bdb6daceb10307543599df3b118afd2109d2ec8
Author: Adhemerval Zanella <azanella@linux.vnet.ibm.com>
Date:   Thu Jan 16 06:53:18 2014 -0600

    PowerPC: Fix ftime gettimeofday internal call returning bogus data

    This patches fixes BZ#16430 by setting a different symbol for internal
    GLIBC calls that points to ifunc resolvers. For PPC32, if the symbol
    is defined as hidden (which is the case for gettimeofday and time) the
    compiler will create local branches (symbol@local) and linker will not
    create PLT calls (required for IFUNC). This will leads to internal symbol
    calling the IFUNC resolver instead of the resolved symbol.
    For PPC64 this behavior does not occur because a call to a function in
    another translation unit might use a different toc pointer thus requiring
    a PLT call.

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e3008132765936162552b15a77fe348c01074310

commit e3008132765936162552b15a77fe348c01074310
Author: Adhemerval Zanella <azanella@linux.vnet.ibm.com>
Date:   Thu Nov 7 05:34:22 2013 -0600

    PowerPC: Fix vDSO missing ODP entries

    This patch fixes the vDSO symbol used directed in IFUNC resolver where
    they do not have an associated ODP entry leading to undefined behavior
    in some cases. It adds an artificial OPD static entry to such cases
    and set its TOC to non 0 to avoid triggering lazy resolutions.

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=6ff69e1eb81719ee907642f615cef889d5bf8b2c

commit 6ff69e1eb81719ee907642f615cef889d5bf8b2c
Author: Carlos O'Donell <carlos@redhat.com>
Date:   Wed Nov 19 11:44:12 2014 -0500

    CVE-2014-7817: wordexp fails to honour WRDE_NOCMD.

    The function wordexp() fails to properly handle the WRDE_NOCMD
    flag when processing arithmetic inputs in the form of "$((... ``))"
    where "..." can be anything valid. The backticks in the arithmetic
    epxression are evaluated by in a shell even if WRDE_NOCMD forbade
    command substitution. This allows an attacker to attempt to pass
    dangerous commands via constructs of the above form, and bypass
    the WRDE_NOCMD flag. This patch fixes this by checking for WRDE_NOCMD
    in exec_comm(), the only place that can execute a shell. All other
    checks for WRDE_NOCMD are superfluous and removed.

    We expand the testsuite and add 3 new regression tests of roughly
    the same form but with a couple of nested levels.

    On top of the 3 new tests we add fork validation to the WRDE_NOCMD
    testing. If any forks are detected during the execution of a wordexp()
    call with WRDE_NOCMD, the test is marked as failed. This is slightly
    heuristic since vfork might be used in the future, but it provides a
    higher level of assurance that no shells were executed as part of
    command substitution with WRDE_NOCMD in effect. In addition it doesn't
    require libpthread or libdl, instead we use the public implementation
    namespace function __register_atfork (already part of the public ABI
    for libpthread).

    Tested on x86_64 with no regressions.

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3ded3d365f0237e92e8af90c878b233f265d7b4a

commit 3ded3d365f0237e92e8af90c878b233f265d7b4a
Author: Allan McRae <allan@archlinux.org>
Date:   Thu Dec 18 11:01:43 2014 +1000

    Label CVE-2014-9402 in NEWS

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c7093fd0fedd8a0b4ed5b01347e3798219ba22ec

commit c7093fd0fedd8a0b4ed5b01347e3798219ba22ec
Author: Florian Weimer <fweimer@redhat.com>
Date:   Mon Dec 15 17:41:13 2014 +0100

    Avoid infinite loop in nss_dns getnetbyname [BZ #17630]

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c9b43ec3890d5c750a5127a543a55cd94aa73c94

commit c9b43ec3890d5c750a5127a543a55cd94aa73c94
Author: Jeff Law <law@redhat.com>
Date:   Mon Dec 15 10:09:32 2014 +0100

    CVE-2012-3406: Stack overflow in vfprintf [BZ #16617]

    A larger number of format specifiers coudld cause a stack overflow,
    potentially allowing to bypass _FORTIFY_SOURCE format string
    protection.

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3b6ac4b1093333f364698ca3bb812c80b11c2f77

commit 3b6ac4b1093333f364698ca3bb812c80b11c2f77
Author: Allan McRae <allan@archlinux.org>
Date:   Sat Jun 21 17:23:55 2014 +1000

    Mention CVE-2014-4043 in NEWS

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f7865ec21e8ad32929509796497fa3b44c3ef826

commit f7865ec21e8ad32929509796497fa3b44c3ef826
Author: Florian Weimer <fweimer@redhat.com>
Date:   Thu Jan 15 15:16:54 2015 -0500

    posix_spawn_file_actions_addopen needs to copy the path argument (BZ 17048)

    POSIX requires that we make a copy, so we allocate a new string
    and free it in posix_spawn_file_actions_destroy.

    Reported by David Reid, Alex Gaynor, and Glyph Lefkowitz.  This bug
    may have security implications.

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c7a91d241b095855e06e0bd00287968df2f6d87e

commit c7a91d241b095855e06e0bd00287968df2f6d87e
Author: Florian Weimer <fweimer@redhat.com>
Date:   Mon May 12 15:24:12 2014 +0200

    _nl_find_locale: Improve handling of crafted locale names [BZ #17137]

    Prevent directory traversal in locale-related environment variables
    (CVE-2014-0475).

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=588b214bc7fa3e54d6b679ed4b755e6d1310e61d

commit 588b214bc7fa3e54d6b679ed4b755e6d1310e61d
Author: Florian Weimer <fweimer@redhat.com>
Date:   Tue Aug 26 19:38:59 2014 +0200

    __gconv_translit_find: Disable function [BZ #17187]

    This functionality has never worked correctly, and the implementation
    contained a security vulnerability (CVE-2014-5119).

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=bd51e93f9305e37aa17e08dbdb86a2e146c09eff

commit bd51e93f9305e37aa17e08dbdb86a2e146c09eff
Author: Florian Weimer <fweimer@redhat.com>
Date:   Wed Sep 3 19:45:43 2014 +0200

    CVE-2014-6040: Crashes on invalid input in IBM gconv modules [BZ #17325]

    These changes are based on the fix for BZ #14134 in commit
    6e230d11837f3ae7b375ea69d7905f0d18eb79e5.

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=97ef0b2223e10fe3053494defd8a008d7dd9d6d8

commit 97ef0b2223e10fe3053494defd8a008d7dd9d6d8
Author: Will Newton <will.newton@linaro.org>
Date:   Fri Sep 13 09:26:02 2013 +0100

    Add CVE-2013-4332 to NEWS.

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=ccb8f6bab96cfcc7aedf5cd0d1946f26b028d733

commit ccb8f6bab96cfcc7aedf5cd0d1946f26b028d733
Author: Will Newton <will.newton@linaro.org>
Date:   Fri Aug 16 12:54:29 2013 +0100

    malloc: Check for integer overflow in memalign.

    A large bytes parameter to memalign could cause an integer overflow
    and corrupt allocator internals. Check the overflow does not occur
    before continuing with the allocation.

    ChangeLog:

    2013-09-11  Will Newton  <will.newton@linaro.org>

        [BZ #15857]
        * malloc/malloc.c (__libc_memalign): Check the value of bytes
        does not overflow.

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f1292792799a507711ce24b497e40f8fea8f9c9c

commit f1292792799a507711ce24b497e40f8fea8f9c9c
Author: Will Newton <will.newton@linaro.org>
Date:   Fri Aug 16 11:59:37 2013 +0100

    malloc: Check for integer overflow in valloc.

    A large bytes parameter to valloc could cause an integer overflow
    and corrupt allocator internals. Check the overflow does not occur
    before continuing with the allocation.

    ChangeLog:

    2013-09-11  Will Newton  <will.newton@linaro.org>

        [BZ #15856]
        * malloc/malloc.c (__libc_valloc): Check the value of bytes
        does not overflow.

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b1e934aed5170eb8948e0f3c6618c9431d6810ad

commit b1e934aed5170eb8948e0f3c6618c9431d6810ad
Author: Will Newton <will.newton@linaro.org>
Date:   Mon Aug 12 15:08:02 2013 +0100

    malloc: Check for integer overflow in pvalloc.

    A large bytes parameter to pvalloc could cause an integer overflow
    and corrupt allocator internals. Check the overflow does not occur
    before continuing with the allocation.

    ChangeLog:

    2013-09-11  Will Newton  <will.newton@linaro.org>

        [BZ #15855]
        * malloc/malloc.c (__libc_pvalloc): Check the value of bytes
        does not overflow.

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=bcd619797e785f90cc9fd67208267c26c8e4b40d

commit bcd619797e785f90cc9fd67208267c26c8e4b40d
Author: Florian Weimer <fweimer@redhat.com>
Date:   Fri Aug 16 09:38:52 2013 +0200

    CVE-2013-4237, BZ #14699: Buffer overflow in readdir_r

        * sysdeps/posix/dirstream.h (struct __dirstream): Add errcode
        member.
        * sysdeps/posix/opendir.c (__alloc_dir): Initialize errcode
        member.
        * sysdeps/posix/rewinddir.c (rewinddir): Reset errcode member.
        * sysdeps/posix/readdir_r.c (__READDIR_R): Enforce NAME_MAX limit.
        Return delayed error code.  Remove GETDENTS_64BIT_ALIGNED
        conditional.
        * sysdeps/unix/sysv/linux/wordsize-64/readdir_r.c: Do not define
        GETDENTS_64BIT_ALIGNED.
        * sysdeps/unix/sysv/linux/i386/readdir64_r.c: Likewise.
        * manual/filesys.texi (Reading/Closing Directory): Document
        ENAMETOOLONG return value of readdir_r.  Recommend readdir more
        strongly.
        * manual/conf.texi (Limits for Files): Add portability note to
        NAME_MAX, PATH_MAX.
        (Pathconf): Add portability note for _PC_NAME_MAX, _PC_PATH_MAX.

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=6fd8e941423354e6c7a951d37a60d2f1424d568e

commit 6fd8e941423354e6c7a951d37a60d2f1424d568e
Author: Carlos O'Donell <carlos@redhat.com>
Date:   Mon Sep 23 00:52:09 2013 -0400

    BZ #15754: CVE-2013-4788

    The pointer guard used for pointer mangling was not initialized for
    static applications resulting in the security feature being disabled.
    The pointer guard is now correctly initialized to a random value for
    static applications. Existing static applications need to be
    recompiled to take advantage of the fix.

    The test tst-ptrguard1-static and tst-ptrguard1 add regression
    coverage to ensure the pointer guards are sufficiently random
    and initialized to a default value.

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a243b1a0797180e142d525d1325a173c758c3714

commit a243b1a0797180e142d525d1325a173c758c3714
Author: Siddhesh Poyarekar <siddhesh@redhat.com>
Date:   Mon Sep 23 11:24:30 2013 +0530

    Check for integer overflow in cache size computation in strcoll

    strcoll is implemented using a cache for indices and weights of
    collation sequences in the strings so that subsequent passes do not
    have to search through collation data again.  For very large string
    inputs, the cache size computation could overflow.  In such a case,
    use the fallback function that does not cache indices and weights of
    collation sequences.

    Fixes CVE-2012-4412.

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c1132021659d22753104762a074d6339ae6cbd01

commit c1132021659d22753104762a074d6339ae6cbd01
Author: Siddhesh Poyarekar <siddhesh@redhat.com>
Date:   Mon Sep 23 11:20:02 2013 +0530

    Fall back to non-cached sequence traversal and comparison on malloc fail

    strcoll currently falls back to alloca if malloc fails, resulting in a
    possible stack overflow.  This patch implements sequence traversal and
    comparison without caching indices and rules.

    Fixes CVE-2012-4424.

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=2dc811b78adc97b5f5d951716df30053a24da1a1

commit 2dc811b78adc97b5f5d951716df30053a24da1a1
Author: Siddhesh Poyarekar <siddhesh@redhat.com>
Date:   Tue Aug 20 08:40:05 2013 +0530

    Simplify strcoll implementation

    Break up strcoll into simpler functions so that the logic is easier to
    follow and maintain.

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9b951f59aa3c2f2d58d398aab146951216f9ff8d

commit 9b951f59aa3c2f2d58d398aab146951216f9ff8d
Author: Siddhesh Poyarekar <siddhesh@redhat.com>
Date:   Fri Oct 25 10:22:12 2013 +0530

    Fix stack overflow due to large AF_INET6 requests

    Resolves #16072 (CVE-2013-4458).

    This patch fixes another stack overflow in getaddrinfo when it is
    called with AF_INET6.  The AF_UNSPEC case was fixed as CVE-2013-1914,
    but the AF_INET6 case went undetected back then.

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=302c61e2d3536a6ff99d518499771afd6a951b0c

commit 302c61e2d3536a6ff99d518499771afd6a951b0c
Author: Andreas Schwab <schwab@suse.de>
Date:   Tue Jan 29 14:45:15 2013 +0100

    Fix buffer overrun in regexp matcher

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b7e0492e183efc24e5658c860ca5711e00524dd7

commit b7e0492e183efc24e5658c860ca5711e00524dd7
Author: Carlos O'Donell <carlos@redhat.com>
Date:   Fri Jul 19 02:42:03 2013 -0400

    CVE-2013-2207, BZ #15755: Disable pt_chown.

    The helper binary pt_chown tricked into granting access to another
    user's pseudo-terminal.

    Pre-conditions for the attack:

     * Attacker with local user account
     * Kernel with FUSE support
     * "user_allow_other" in /etc/fuse.conf
     * Victim with allocated slave in /dev/pts

    Using the setuid installed pt_chown and a weak check on whether a file
    descriptor is a tty, an attacker could fake a pty check using FUSE and
    trick pt_chown to grant ownership of a pty descriptor that the current
    user does not own.  It cannot access /dev/pts/ptmx however.

    In most modern distributions pt_chown is not needed because devpts
    is enabled by default. The fix for this CVE is to disable building
    and using pt_chown by default. We still provide a configure option
    to enable hte use of pt_chown but distributions do so at their own
    risk.

    Cherry-pick of e4608715e6e1dd2adc91982fd151d5ba4f761d69.

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=02a002fe9c0b65532643a88b01253e95ba8ba8c6

commit 02a002fe9c0b65532643a88b01253e95ba8ba8c6
Author: Jeff Law <law@redhat.com>
Date:   Wed Nov 28 14:12:28 2012 -0700

           [BZ #14889]
            * sunrpc/rpc/svc.h (__svc_accept_failed): New prototype.
            * sunrpc/svc.c: Include time.h.
            (__svc_accept_failed): New function.
            * sunrpc/svc_tcp.c (rendezvous_request): If the accept fails for
            any reason other than EINTR, call __svc_accept_failed.
            * sunrpc/svc_udp.c (svcudp_recv): Similarly.
            * sunrpc/svc_unix.c (rendezvous_request): Similarly.

    Cherry-pick of 14bc93a967e62abf8cf2704725b6f76619399f83

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3b498440aac70e994f32f45a31102964313af690

commit 3b498440aac70e994f32f45a31102964313af690
Author: Andreas Schwab <schwab@suse.de>
Date:   Wed Nov 28 10:24:06 2012 +0100

    Properly handle indirect functions in ABI check on powerpc64

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=8282b7f2aa6380e8a91515f748d4693d8151fc4f

commit 8282b7f2aa6380e8a91515f748d4693d8151fc4f
Author: Adhemerval Zanella <azanella@linux.vnet.ibm.com>
Date:   Fri Apr 26 13:00:56 2013 -0500

    PowerPC: modf optimization fix

    This patch fix the 3c0265394d9ffedff2b0de508602dc52e077ce5c commits
    by correctly setting minimum architecture for modf PPC optimization
    to power5+ instead of power5 (since only on power5+ round/ceil will
    be inline to inline assembly).

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=17e599d2613c2a2e4cb6d5c3f9d5f626879aa63f

commit 17e599d2613c2a2e4cb6d5c3f9d5f626879aa63f
Author: Adhemerval Zanella <azanella@linux.vnet.ibm.com>
Date:   Mon Mar 25 16:10:06 2013 -0500

    PowerPC: modf optimization

    This patch implements modf/modff optimization for POWER by focus
    on FP operations instead of relying in integer ones.

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=60dc6d12c5c61b05013cb15f63349dd3d343f26d

commit 60dc6d12c5c61b05013cb15f63349dd3d343f26d
Author: Adhemerval Zanella <azanella@linux.vnet.ibm.com>
Date:   Wed Mar 13 10:46:08 2013 -0300

    PowerPC: Change sched_getcpu to use vDSO getcpu instead of syscall.

    Backport of d5e0b9bd6e296f3ec5263fa296d39f3fed9b8fa2.

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=cc328ae264f5b97d2811a95d84112bb1c6c7cae3

commit cc328ae264f5b97d2811a95d84112bb1c6c7cae3
Author: Adhemerval Zanella <azanella@linux.vnet.ibm.com>
Date:   Mon Mar 4 22:02:41 2013 -0300

    PowerPC: gettimeofday optimization by using IFUNC

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=36016f626e72f5d1cb6107deeab29768d82ff7e3

commit 36016f626e72f5d1cb6107deeab29768d82ff7e3
Merge: 4e1f97c 043c748
Author: Ryan S. Arnold <rsa@linux.vnet.ibm.com>
Date:   Fri Mar 1 16:20:18 2013 -0600

    Merge remote branch 'remotes/origin/release/2.16/master' into
local_ibm_2.16

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=4e1f97ccdcc257eba262667f7a3179a7d530330d

commit 4e1f97ccdcc257eba262667f7a3179a7d530330d
Author: Mike Frysinger <vapier@gentoo.org>
Date:   Wed Nov 28 23:04:32 2012 -0500

    byteswap.h: fix gcc ver test for __builtin_bswap{32,64}

    The __builtin_bswap* functions were introduced in gcc-4.3, not gcc-4.2.
    Fix the __GNUC_PREREQ tests to reflect this.

    Otherwise trying to compile code with gcc-4.2 falls down:
    In file included from /usr/include/endian.h:60,
                     from /usr/include/ctype.h:40,
    /usr/include/bits/byteswap.h: In function 'unsigned int __bswap_32(unsigned
int)':
    /usr/include/bits/byteswap.h:46: error: '__builtin_bswap32' was not
declared in this scope
    /usr/include/bits/byteswap.h: In function 'long long unsigned int
__bswap_64(long long unsigned int)':
    /usr/include/bits/byteswap.h:110: error: '__builtin_bswap64' was not
declared in this scope

    Signed-off-by: Mike Frysinger <vapier@gentoo.org>
    (cherry picked from commit c9d6789ebe028a260d3e5be0c26b7d02fdfe99fe)

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=025b233a88a30f5f0474ff2c6051313eb33e5689

commit 025b233a88a30f5f0474ff2c6051313eb33e5689
Author: Joseph Myers <joseph@codesourcery.com>
Date:   Tue Nov 20 00:04:45 2012 +0000

    Fix __bswap_64 return type in generic bits/byteswap.h.
    (cherry picked from commit ecd4caf9783c99fb068a100c35899a0c3a3c6d98)

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=2c739e2cffb65d80787cfa861f9f6c62de327ad6

commit 2c739e2cffb65d80787cfa861f9f6c62de327ad6
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Fri Oct 12 09:21:47 2012 -0700

    Use __uint64_t in x86 __bswap_64
    (cherry picked from commit d394eb742a3565d7fe7a4b02710a60b5f219ee64)

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a24f8ac8e65b451efc81839dd653d0a0e95a23ab

commit a24f8ac8e65b451efc81839dd653d0a0e95a23ab
Author: Andreas Schwab <schwab@linux-m68k.org>
Date:   Tue May 1 17:10:10 2012 +0200

    Fix missing _mcount@GLIBC_2.0 on powerpc32
    (cherry picked from commit 261f485936b283f4327fc1f2fc8fd1705d805c12)

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=94464655b576985fdd5f66f7f6126ee1f92a41cc

commit 94464655b576985fdd5f66f7f6126ee1f92a41cc
Author: Peter Bergner <bergner@vnet.ibm.com>
Date:   Fri Jul 6 13:24:49 2012 -0500

    Add AT_PLATFORM env variable to ld.so to override auxv AT_PLATFORM.

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d846920271a0f4dc54c0dbbd56998228e75e776c

commit d846920271a0f4dc54c0dbbd56998228e75e776c
Author: Ryan S. Arnold <rsa@linux.vnet.ibm.com>
Date:   Fri Jul 6 13:03:09 2012 -0500

    Remove assert() if DT_RUNPATH and DT_RPATH flags are found in ld.so.

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