Implement /proc/net/unix.

PiperOrigin-RevId: 232948478
Change-Id: Ib830121e5e79afaf5d38d17aeef5a1ef97913d23

2 files changed, 9 insertions, 3 deletions

diff --git a/pkg/sentry/socket/socket.go b/pkg/sentry/socket/socket.go
index e28d2c4fa..5ab423f3c 100644
--- a/pkg/sentry/socket/socket.go
+++ b/pkg/sentry/socket/socket.go
@@ -147,6 +147,7 @@ func New(t *kernel.Task, family int, stype transport.SockType, protocol int) (*f
 			return nil, err
 		}
 		if s != nil {
+			t.Kernel().RecordSocket(s, family)
 			return s, nil
 		}
 	}
@@ -163,12 +164,15 @@ func Pair(t *kernel.Task, family int, stype transport.SockType, protocol int) (*
 	}
 
 	for _, p := range providers {
-		s, t, err := p.Pair(t, stype, protocol)
+		s1, s2, err := p.Pair(t, stype, protocol)
 		if err != nil {
 			return nil, nil, err
 		}
-		if s != nil && t != nil {
-			return s, t, nil
+		if s1 != nil && s2 != nil {
+			k := t.Kernel()
+			k.RecordSocket(s1, family)
+			k.RecordSocket(s2, family)
+			return s1, s2, nil
 		}
 	}
 
diff --git a/pkg/sentry/socket/unix/unix.go b/pkg/sentry/socket/unix/unix.go
index 19258e692..c857a0f33 100644
--- a/pkg/sentry/socket/unix/unix.go
+++ b/pkg/sentry/socket/unix/unix.go
@@ -219,6 +219,8 @@ func (s *SocketOperations) Accept(t *kernel.Task, peerRequested bool, flags int,
 		return 0, nil, 0, syserr.FromError(e)
 	}
 
+	t.Kernel().RecordSocket(ns, linux.AF_UNIX)
+
 	return fd, addr, addrLen, nil
 }