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Diffstat (limited to 'image')
-rw-r--r--image/rootfs.go3
1 files changed, 2 insertions, 1 deletions
diff --git a/image/rootfs.go b/image/rootfs.go
index 84843e10c6..f73a0660fa 100644
--- a/image/rootfs.go
+++ b/image/rootfs.go
@@ -38,7 +38,8 @@ func (r *RootFS) Append(id layer.DiffID) {
func (r *RootFS) Clone() *RootFS {
newRoot := NewRootFS()
newRoot.Type = r.Type
- newRoot.DiffIDs = append(r.DiffIDs)
+ newRoot.DiffIDs = make([]layer.DiffID, len(r.DiffIDs))
+ copy(newRoot.DiffIDs, r.DiffIDs)
return newRoot
}