glibc/CVE-2014-9402-Avoid-infinite-loop-in-nss_dns-getnetbyname.patch

   1 From c9e9c2e4b1bdd880e11ad1d0756da87634456b95 Mon Sep 17 00:00:00 2001
   2 From: Florian Weimer <fweimer@redhat.com>
   3 Date: Mon, 15 Dec 2014 17:41:13 +0100
   4 Subject: [PATCH] Avoid infinite loop in nss_dns getnetbyname [BZ #17630]
   5
   6 Conflicts:
   7         ChangeLog
   8         NEWS
   9 ---
  10  ChangeLog                    | 14 ++++++++++++++
  11  NEWS                         |  8 ++++++++
  12  resolv/nss_dns/dns-network.c |  4 ++--
  13  3 files changed, 24 insertions(+), 2 deletions(-)
  14
  15 diff --git a/resolv/nss_dns/dns-network.c b/resolv/nss_dns/dns-network.c
  16 index 13ad38c..1993ec1 100644
  17 --- a/resolv/nss_dns/dns-network.c
  18 +++ b/resolv/nss_dns/dns-network.c
  19 @@ -398,8 +398,8 @@ getanswer_r (const querybuf *answer, int anslen, struct netent *result,
  20
  21         case BYNAME:
  22           {
  23 -           char **ap = result->n_aliases++;
  24 -           while (*ap != NULL)
  25 +           char **ap;
  26 +           for (ap = result->n_aliases; *ap != NULL; ++ap)
  27               {
  28                 /* Check each alias name for being of the forms:
  29                    4.3.2.1.in-addr.arpa         = net 1.2.3.4
  30 --
  31 2.2.1
  32