From 05166f14c93323d6279987ae3fe9a803ad188ade Mon Sep 17 00:00:00 2001
From: Andrei Vagin <avagin@google.com>
Date: Thu, 27 Aug 2020 16:50:11 -0700
Subject: unix: return ECONNREFUSE if a socket file exists but a socket isn't
 bound to it

PiperOrigin-RevId: 328843560
---
 pkg/sentry/fsimpl/tmpfs/filesystem.go | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'pkg/sentry/fsimpl/tmpfs/filesystem.go')

diff --git a/pkg/sentry/fsimpl/tmpfs/filesystem.go b/pkg/sentry/fsimpl/tmpfs/filesystem.go
index eddfeab76..e0de04e05 100644
--- a/pkg/sentry/fsimpl/tmpfs/filesystem.go
+++ b/pkg/sentry/fsimpl/tmpfs/filesystem.go
@@ -783,6 +783,9 @@ func (fs *filesystem) BoundEndpointAt(ctx context.Context, rp *vfs.ResolvingPath
 	}
 	switch impl := d.inode.impl.(type) {
 	case *socketFile:
+		if impl.ep == nil {
+			return nil, syserror.ECONNREFUSED
+		}
 		return impl.ep, nil
 	default:
 		return nil, syserror.ECONNREFUSED
-- 
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