build: remove sgid permission from tar

[openwrt/openwrt.git] / include / image.mk

diff --git a/include/image.mk b/include/image.mk
index edbd5b8daaecc083cb20c210fa49d94152268d5f..5b022195589d37e806798e729c2babfa056123de 100644 (file)
--- a/include/image.mk
+++ b/include/image.mk
@@ -291,7 +291,7 @@ endef
 
 ifdef CONFIG_TARGET_ROOTFS_TARGZ
   define Image/Build/targz
-       $(TAR) -cp --numeric-owner --owner=0 --group=0 --sort=name \
+       $(TAR) -cp --numeric-owner --owner=0 --group=0 --mode=a-s --sort=name \
                $(if $(SOURCE_DATE_EPOCH),--mtime="@$(SOURCE_DATE_EPOCH)") \
                -C $(TARGET_DIR)/ . | gzip -9n > $(BIN_DIR)/$(IMG_PREFIX)$(if $(PROFILE_SANITIZED),-$(PROFILE_SANITIZED))-rootfs.tar.gz
   endef