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djm pushed a commit to branch master
in repository openssh.

The following commit(s) were added to refs/heads/master by this push:
new c47e1c9c upstream: fix memory leak in mux proxy mode when requesting forwarding.
c47e1c9c is described below

commit c47e1c9c7911f38b2fc2fb01b1f6ae3a3121a838
Author: djm@openbsd.org <djm@openbsd.org>
AuthorDate: Wed Mar 6 02:59:59 2024 +0000

upstream: fix memory leak in mux proxy mode when requesting forwarding.

found by RASU JSC, reported by Maks Mishin in GHPR#467

OpenBSD-Commit-ID: 97d96a166b1ad4b8d229864a553e3e56d3116860
---
channels.c | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/channels.c b/channels.c
index 6862556b..ece8d30d 100644
--- a/channels.c
+++ b/channels.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: channels.c,v 1.436 2024/01/09 22:19:00 djm Exp $ */
+/* $OpenBSD: channels.c,v 1.437 2024/03/06 02:59:59 djm Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@@ -3245,9 +3245,8 @@ channel_proxy_downstream(struct ssh *ssh, Channel *downstream)
goto out;
}
/* Record that connection to this host/port is permitted. */
- permission_set_add(ssh, FORWARD_USER, FORWARD_LOCAL, "<mux>", -1,
- listen_host, NULL, (int)listen_port, downstream);
- listen_host = NULL;
+ permission_set_add(ssh, FORWARD_USER, FORWARD_LOCAL, "<mux>",
+ -1, listen_host, NULL, (int)listen_port, downstream);
break;
case SSH2_MSG_CHANNEL_CLOSE:
if (have < 4)

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