From: djm <djm@openbsd.org>
Date: Fri, 3 Mar 2023 05:00:34 +0000 (+0000)
Subject: guard against getsockname(-1, ...) from Coverity CID 291832
X-Git-Url: http://artulab.com/gitweb/?a=commitdiff_plain;h=8135c598ee79a5f3e70923204f4687b8debfeb04;p=openbsd

guard against getsockname(-1, ...) from Coverity CID 291832
---

diff --git a/usr.bin/ssh/canohost.c b/usr.bin/ssh/canohost.c
index 406c5fd32aa..3a7305666ff 100644
--- a/usr.bin/ssh/canohost.c
+++ b/usr.bin/ssh/canohost.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: canohost.c,v 1.75 2020/10/18 11:32:01 djm Exp $ */
+/* $OpenBSD: canohost.c,v 1.76 2023/03/03 05:00:34 djm Exp $ */
 /*
  * Author: Tatu Ylonen <ylo@cs.hut.fi>
  * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@@ -44,6 +44,9 @@ get_socket_address(int sock, int remote, int flags)
 	char ntop[NI_MAXHOST];
 	int r;
 
+	if (sock < 0)
+		return NULL;
+
 	/* Get IP address of client. */
 	addrlen = sizeof(addr);
 	memset(&addr, 0, sizeof(addr));