1 files changed, 9 insertions, 0 deletions
diff --git a/pkg/sentry/fs/fsutil/inode_cached_test.go b/pkg/sentry/fs/fsutil/inode_cached_test.go
index 3f10efc12..be3d4b6fc 100644
--- a/pkg/sentry/fs/fsutil/inode_cached_test.go
+++ b/pkg/sentry/fs/fsutil/inode_cached_test.go
@@ -26,6 +26,7 @@ import (
 	"gvisor.googlesource.com/gvisor/pkg/sentry/memmap"
 	"gvisor.googlesource.com/gvisor/pkg/sentry/safemem"
 	"gvisor.googlesource.com/gvisor/pkg/sentry/usermem"
+	"gvisor.googlesource.com/gvisor/pkg/syserror"
 )
 
 type noopBackingFile struct{}
@@ -50,6 +51,10 @@ func (noopBackingFile) FD() int {
 	return -1
 }
 
+func (noopBackingFile) Allocate(ctx context.Context, offset int64, length int64) error {
+	return nil
+}
+
 func TestSetPermissions(t *testing.T) {
 	ctx := contexttest.Context(t)
 
@@ -237,6 +242,10 @@ func (*sliceBackingFile) FD() int {
 	return -1
 }
 
+func (f *sliceBackingFile) Allocate(ctx context.Context, offset int64, length int64) error {
+	return syserror.EOPNOTSUPP
+}
+
 type noopMappingSpace struct{}
 
 // Invalidate implements memmap.MappingSpace.Invalidate.