diff --git a/tools/squashfs4/patches/140-mode_check.patch b/tools/squashfs4/patches/140-mode_check.patch
new file mode 100644
index 0000000000..30ab4e1374
--- /dev/null
+++ b/tools/squashfs4/patches/140-mode_check.patch
@@ -0,0 +1,11 @@
+--- a/squashfs-tools/pseudo.c
++++ b/squashfs-tools/pseudo.c
+@@ -374,7 +374,7 @@
+ 	}
+ 
+ 
+-	if(mode > 0777) {
++	if(mode > 07777) {
+ 		ERROR("Mode %o out of range\n", mode);
+ 		goto error;
+ 	}