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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug nscd/29607] nscd repeatably crashes calling __strlen_avx2 when
 hosts cache is enabled
Date: Tue, 04 Oct 2022 22:44:07 +0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D29607

--- Comment #17 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot g=
nu.org> ---
The release/2.36/master branch has been updated by Siddhesh Poyarekar
<siddhesh@sourceware.org>:

https://sourceware.org/git/gitweb.cgi?p=3Dglibc.git;h=3D2bd815d8347851212b9=
a91dbdca8053f4dbdac87

commit 2bd815d8347851212b9a91dbdca8053f4dbdac87
Author: Siddhesh Poyarekar <siddhesh@sourceware.org>
Date:   Tue Oct 4 18:43:50 2022 -0400

    nscd: Drop local address tuple variable [BZ #29607]

    When a request needs to be resent (e.g. due to insufficient buffer
    space), the references to subsequent tuples in the local variable are
    stale and should not be used.  This used to work by accident before, but
    since 1d495912a it no longer does.  Instead of trying to reset it, just
    let gethostbyname4_r write into TUMPBUF6 for us, thus maintaining a
    consistent state at all times.  This is now consistent with what is done
    in gaih_inet for getaddrinfo.

    Resolves: BZ #29607
    Reported-by: Holger Hoffst=C3=A4tte <holger@applied-asynchrony.com>
    Tested-by: Holger Hoffst=C3=A4tte <holger@applied-asynchrony.com>
    Reviewed-by: Carlos O'Donell <carlos@redhat.com>
    (cherry picked from commit 6e33e5c4b73cea7b8aa3de0947123db16200fb65)

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