From 205dbb8ad55dfdd98e3839e056a0ff74a933f10d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Christian=20G=C3=B6ttsche?= <cgzones@googlemail.com>
Date: Tue, 1 Oct 2024 17:22:22 +0200
Subject: [PATCH] Support gaps in type array
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Support gaps in the type array which are supported by libsepol.

Encountered while experimenting on a policy optimization step that
removes unused type-attributes.

Signed-off-by: Christian Göttsche <cgzones@googlemail.com>
---
 setools/policyrep/selinuxpolicy.pxi | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/setools/policyrep/selinuxpolicy.pxi b/setools/policyrep/selinuxpolicy.pxi
index d7b59fdf..d7178a1b 100644
--- a/setools/policyrep/selinuxpolicy.pxi
+++ b/setools/policyrep/selinuxpolicy.pxi
@@ -934,6 +934,10 @@ cdef class SELinuxPolicy:
         for i in range(self.handle.p.symtab[sepol.SYM_TYPES].nprim):
             tmp_type = self.handle.p.type_val_to_struct[i]
 
+            # skip gaps
+            if tmp_type == NULL:
+                continue
+
             # skip types
             if tmp_type.flavor != sepol.TYPE_ATTRIB:
                 continue