Memory allocated by save_error_string_nocopy in src/lib/gssapi/krb5/disp_status.c is not being freed.  This fixed it:

 

Index: src/lib/gssapi/krb5/disp_status.c

===================================================================

--- src/lib/gssapi/krb5/disp_status.c        (revision 53585)

+++ src/lib/gssapi/krb5/disp_status.c     (working copy)

@@ -148,6 +148,7 @@

void krb5_gss_delete_error_info(void *p)

{

     gsserrmap_destroy(p);

+    free(p);

}

 /**/