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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/29528] __libc_early_init not called after dlmopen
 that reuses namespace
Date: Fri, 14 Oct 2022 11:03:18 +0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D29528

--- Comment #7 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gn=
u.org> ---
The release/2.34/master branch has been updated by Florian Weimer
<fw@sourceware.org>:

https://sourceware.org/git/gitweb.cgi?p=3Dglibc.git;h=3D9f55d2e7c42e6ca862a=
25d3ee3eb2b367811c30d

commit 9f55d2e7c42e6ca862a25d3ee3eb2b367811c30d
Author: Florian Weimer <fweimer@redhat.com>
Date:   Fri Oct 14 12:43:07 2022 +0200

    elf: Do not completely clear reused namespace in dlmopen (bug 29600)

    The data in the _ns_debug member must be preserved, otherwise
    _dl_debug_initialize enters an infinite loop.  To be conservative,
    only clear the libc_map member for now, to fix bug 29528.

    Fixes commit d0e357ff45a75553dee3b17ed7d303bfa544f6fe
    ("elf: Call __libc_early_init for reused namespaces (bug 29528)"),
    by reverting most of it.

    Reviewed-by: Carlos O'Donell <carlos@redhat.com>
    Tested-by: Carlos O'Donell <carlos@redhat.com>
    (cherry picked from commit 2c42257314536b94cc8d52edede86e94e98c1436)
    (Conflict in elf/dl-open.c due to missing _r_debug namespace support.)

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