[Bug network/18784] res_query and related function crash for special record type queries (CVE-2015-5180)

[cvs-commit at gcc dot gnu.org]

https://sourceware.org/bugzilla/show_bug.cgi?id=18784

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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=fc82b0a2dfe7dbd35671c10510a8da1043d746a5

commit fc82b0a2dfe7dbd35671c10510a8da1043d746a5
Author: Florian Weimer <fweimer@redhat.com>
Date:   Sat Dec 31 20:22:09 2016 +0100

    CVE-2015-5180: resolv: Fix crash with internal QTYPE [BZ #18784]

    Also rename T_UNSPEC because an upcoming public header file
    update will use that name.

-----------------------------------------------------------------------

Summary of changes:
 ChangeLog                     |   14 +++
 NEWS                          |    8 ++-
 include/arpa/nameser_compat.h |    6 +-
 resolv/Makefile               |    3 +
 resolv/nss_dns/dns-host.c     |    2 +-
 resolv/res_mkquery.c          |    4 +
 resolv/res_query.c            |    6 +-
 resolv/tst-resolv-qtypes.c    |  185 +++++++++++++++++++++++++++++++++++++++++
 8 files changed, 220 insertions(+), 8 deletions(-)
 create mode 100644 resolv/tst-resolv-qtypes.c

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