Patch "tipc: fix memory leak in tipc_accept_from_sock()" has been added to the 4.9-stable tree

Patch "tipc: fix memory leak in tipc_accept_from_sock()" has been added to the 4.9-stable tree

[gregkh]

This is a note to let you know that I've just added the patch titled

    tipc: fix memory leak in tipc_accept_from_sock()

to the 4.9-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     tipc-fix-memory-leak-in-tipc_accept_from_sock.patch
and it can be found in the queue-4.9 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.


>From foo@baz Thu Dec 14 11:45:58 CET 2017
From: Jon Maloy <jon.maloy@ericsson.com>
Date: Mon, 4 Dec 2017 22:00:20 +0100
Subject: tipc: fix memory leak in tipc_accept_from_sock()

From: Jon Maloy <jon.maloy@ericsson.com>


[ Upstream commit a7d5f107b4978e08eeab599ee7449af34d034053 ]

When the function tipc_accept_from_sock() fails to create an instance of
struct tipc_subscriber it omits to free the already created instance of
struct tipc_conn instance before it returns.

We fix that with this commit.

Reported-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 net/tipc/server.c |    1 +
 1 file changed, 1 insertion(+)

--- a/net/tipc/server.c
+++ b/net/tipc/server.c
@@ -313,6 +313,7 @@ static int tipc_accept_from_sock(struct
 	newcon->usr_data = s->tipc_conn_new(newcon->conid);
 	if (!newcon->usr_data) {
 		sock_release(newsock);
+		conn_put(newcon);
 		return -ENOMEM;
 	}
 


Patches currently in stable-queue which might be from jon.maloy@ericsson.com are

queue-4.9/tipc-call-tipc_rcv-only-if-bearer-is-up-in-tipc_udp_recv.patch
queue-4.9/tipc-fix-memory-leak-in-tipc_accept_from_sock.patch