From 8bd16328a9332c57b03198826e22b48fadcd21d9 Mon Sep 17 00:00:00 2001
From: Ross Burton <ross.burton@intel.com>
Date: Mon, 13 Aug 2018 19:02:26 +0100
Subject: checksum: sanity check path when recursively checksumming

In case something goes tragically wrong, catch a request to checksum / and
refuse.

Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
---
 lib/bb/checksum.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/bb/checksum.py b/lib/bb/checksum.py
index 84289208f..4e1598fe8 100644
--- a/lib/bb/checksum.py
+++ b/lib/bb/checksum.py
@@ -97,6 +97,8 @@ class FileChecksumCache(MultiProcessCache):
 
         def checksum_dir(pth):
             # Handle directories recursively
+            if pth == "/":
+                bb.fatal("Refusing to checksum /")
             dirchecksums = []
             for root, dirs, files in os.walk(pth):
                 for name in files:
-- 
cgit 1.2.3-korg