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commit 905a6129147e7ee80e8918e23efe212433b8cce7
Author: Florian Weimer <fweimer@redhat.com>
Date:   Wed Sep 6 15:46:54 2017 +0200

    resolv: Fix memory leak with OOM during resolv.conf parsing [BZ #22095]
    
    (cherry picked from commit 5670c4ab256114e869b1df4b05653aa5f909182c)

diff --git a/resolv/res_init.c b/resolv/res_init.c
index fa46ce7813c1f8af..4e1f9fe8dea93e8a 100644
--- a/resolv/res_init.c
+++ b/resolv/res_init.c
@@ -446,6 +446,11 @@ res_vinit_1 (FILE *fp, struct resolv_conf_parser *parser)
                     (&parser->nameserver_list);
                   if (p != NULL)
                     *p = sa;
+                  else
+                    {
+                      free (sa);
+                      return false;
+                    }
                 }
               continue;
             }