root_image: explicitly chmod the image to 644

Otherwise it is inaccessible to non-root users on systems that use a
umask of 0077.

Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>

1 files changed, 1 insertions, 0 deletions

diff --git a/root_image b/root_image
index f2f36a4..964c791 100755
--- a/root_image
+++ b/root_image
@@ -333,6 +333,7 @@ cmd_create()
     #trap 'umount_image; rm "$ktest_image"' EXIT
 
     fallocate -l "$IMAGE_SIZE" "$ktest_image"
+    chmod 644 "$ktest_image"
     mkfs.ext4 -F "$ktest_image"
     mount "$ktest_image" "$MNT"