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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug network/29305] Inefficient buffer space usage in nss_dns for
 gethostbyname and other functions
Date: Tue, 13 Sep 2022 11:23:47 +0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D29305

--- Comment #3 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gn=
u.org> ---
The release/2.36/master branch has been updated by Florian Weimer
<fw@sourceware.org>:

https://sourceware.org/git/gitweb.cgi?p=3Dglibc.git;h=3D78c8ef21fa54e994451=
d5b42ead6080d99a88a49

commit 78c8ef21fa54e994451d5b42ead6080d99a88a49
Author: Florian Weimer <fweimer@redhat.com>
Date:   Tue Aug 30 10:02:49 2022 +0200

    nss_dns: Rewrite getanswer_r to match getanswer_ptr (bug 12154, bug 293=
05)

    Allocate the pointer arrays only at the end, when their sizes
    are known.  This addresses bug 29305.

    Skip over invalid names instead of failing lookups.  This partially
    fixes bug 12154 (for gethostbyname, fixing getaddrinfo requires
    different changes).

    Reviewed-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
    (cherry picked from commit d101d836e7e4bd1d4e4972b0e0bd0a55c9b650fa)

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