From f5d0c59f5c736f5f7fceb566e134f41b03229c22 Mon Sep 17 00:00:00 2001
From: Ian Gudger <igudger@google.com>
Date: Wed, 13 Jun 2018 20:00:00 -0700
Subject: Fix reference leak in VDSO validation

PiperOrigin-RevId: 200496070
Change-Id: I33adb717c44e5b4bcadece882be3ab1ee3920556
---
 pkg/sentry/fs/dirent.go | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'pkg/sentry/fs')

diff --git a/pkg/sentry/fs/dirent.go b/pkg/sentry/fs/dirent.go
index 554aa30d8..b56437b3c 100644
--- a/pkg/sentry/fs/dirent.go
+++ b/pkg/sentry/fs/dirent.go
@@ -213,7 +213,12 @@ func NewDirent(inode *Inode, name string) *Dirent {
 
 // NewTransientDirent creates a transient Dirent that shouldn't actually be
 // visible to users.
+//
+// An Inode is required.
 func NewTransientDirent(inode *Inode) *Dirent {
+	if inode == nil {
+		panic("an inode is required")
+	}
 	return newDirent(inode, "transient")
 }
 
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