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-rw-r--r--pkg/sentry/fsimpl/gofer/directory.go4
1 files changed, 4 insertions, 0 deletions
diff --git a/pkg/sentry/fsimpl/gofer/directory.go b/pkg/sentry/fsimpl/gofer/directory.go
index baa2cdd8e..6d4ebc2bf 100644
--- a/pkg/sentry/fsimpl/gofer/directory.go
+++ b/pkg/sentry/fsimpl/gofer/directory.go
@@ -87,6 +87,10 @@ func (d *dentry) getDirents(ctx context.Context) ([]vfs.Dirent, error) {
// to assume that directory fids have the correct semantics, and translates
// struct file_operations::readdir calls directly to readdir RPCs), but is
// consistent with VFS1.
+ //
+ // NOTE(b/135560623): In particular, some gofer implementations may not
+ // retain state between calls to Readdir, so may not provide a coherent
+ // directory stream across in the presence of mutation.
d.fs.renameMu.RLock()
defer d.fs.renameMu.RUnlock()