fs: Don't bother saving negative dirents.

PiperOrigin-RevId: 210616454 Change-Id: I3f536e2b4d603e540cdd9a67c61b8ec3351f4ac3
2018-08-28 15:17:32 -07:00 · 2018-08-28 15:17:32 -07:00 · 3b11769c77
parent 515d9bf43b
commit 3b11769c77
1 changed files with 7 additions and 1 deletions
--- a/pkg/sentry/fs/dirent_state.go
+++ b/pkg/sentry/fs/dirent_state.go
@ -45,7 +45,13 @@ func (d *Dirent) saveChildren() map[string]*Dirent {
 		if rc := w.Get(); rc != nil {
 			// Drop the reference count obtain in w.Get()
 			rc.DecRef()
-			c[name] = rc.(*Dirent)
+
+			cd := rc.(*Dirent)
+			if cd.IsNegative() {
+				// Don't bother saving negative Dirents.
+				continue
+			}
+			c[name] = cd
 		}
 	}
 	return c