Change-the-system.map-file-permission-only-readable.patch

From 01e598f75f4ab650555b01116ceec4e5c8f2899b Mon Sep 17 00:00:00 2001
From: xumia <xumia@contoso.com>
Date: Thu, 7 Sep 2023 02:53:49 +0000
Subject: [PATCH] Change the system.map file permission only readable by root

---
 debian/rules.real | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/debian/rules.real b/debian/rules.real
index 3304579ad..908258789 100644
--- a/debian/rules.real
+++ b/debian/rules.real
@@ -505,7 +505,7 @@ install-image-dbg_$(ARCH)_$(FEATURESET)_$(FLAVOUR): $(STAMPS_DIR)/build_$(ARCH)_
 	dh_installdirs usr/lib/debug usr/lib/debug/boot usr/share/lintian/overrides/
 	dh_lintian
 	install -m644 $(DIR)/vmlinux $(DEBUG_DIR)/boot/vmlinux-$(REAL_VERSION)
-	install -m644 $(DIR)/System.map $(DEBUG_DIR)/boot/System.map-$(REAL_VERSION)
+	install -m600 $(DIR)/System.map $(DEBUG_DIR)/boot/System.map-$(REAL_VERSION)
 	+$(MAKE_CLEAN) -C $(DIR) modules_install DEPMOD='$(CURDIR)/debian/bin/no-depmod' INSTALL_MOD_PATH='$(CURDIR)'/$(DEBUG_DIR)
 	find $(DEBUG_DIR)/lib/modules/$(REAL_VERSION)/ -mindepth 1 -maxdepth 1 \! -name kernel -exec rm {} \+
 	rm $(DEBUG_DIR)/lib/firmware -rf
-- 
2.30.2