Blame SOURCES/mariadb-admincrash.patch

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mysqladmin crash on execution of below command:
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  #> mysqladmin -u root -p
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  ...
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  Segmentation fault (core dumped)
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This is probably caused by memory corruption based on working with temp_argv[-1].
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RHBZ: #1207041
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Upstream report: https://mariadb.atlassian.net/browse/MDEV-7883
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diff -up mariadb-5.5.41/client/mysqladmin.cc.bz1207041 mariadb-5.5.41/client/mysqladmin.cc
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--- mariadb-5.5.41/client/mysqladmin.cc.bz1207041	2015-03-30 12:37:31.078880914 +0200
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+++ mariadb-5.5.41/client/mysqladmin.cc	2015-03-30 13:03:32.442152833 +0200
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@@ -1266,7 +1266,8 @@ static char **mask_password(int argc, ch
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      }
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     argc--;
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   }
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-  temp_argv[argc]= my_strdup((*argv)[argc], MYF(MY_FAE));
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+  if (argc >= 0)
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+    temp_argv[argc]= my_strdup((*argv)[argc], MYF(MY_FAE));
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   return(temp_argv);
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 }
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