From 4ffa687bceed12b4c7163310fb0390320ac48e3b Mon Sep 17 00:00:00 2001
From: sashan <sashan@openbsd.org>
Date: Tue, 7 Jun 2022 22:18:34 +0000
Subject: [PATCH] fixes potential memory leak. if_vinput() should always
 consume packet by either passing it further or releasing it.

OK mvs@
---
 sys/net/if.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/sys/net/if.c b/sys/net/if.c
index f354c9d8a6c..58af5730cde 100644
--- a/sys/net/if.c
+++ b/sys/net/if.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: if.c,v 1.652 2022/05/03 11:47:03 bluhm Exp $	*/
+/*	$OpenBSD: if.c,v 1.653 2022/06/07 22:18:34 sashan Exp $	*/
 /*	$NetBSD: if.c,v 1.35 1996/05/07 05:26:04 thorpej Exp $	*/
 
 /*
@@ -869,6 +869,8 @@ if_vinput(struct ifnet *ifp, struct mbuf *m)
 
 	if (__predict_true(!ISSET(ifp->if_xflags, IFXF_MONITOR)))
 		(*ifp->if_input)(ifp, m);
+	else
+		m_freem(m);
 }
 
 void
-- 
2.20.1