Patch "tipc: error path leak fixes in tipc_enable_bearer()" has been added to the 4.9-stable tree

Patch "tipc: error path leak fixes in tipc_enable_bearer()" 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: error path leak fixes in tipc_enable_bearer()

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-error-path-leak-fixes-in-tipc_enable_bearer.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 Wed Feb 28 16:13:29 CET 2018
From: Tommi Rantala <tommi.t.rantala@nokia.com>
Date: Fri, 22 Dec 2017 09:35:16 +0200
Subject: tipc: error path leak fixes in tipc_enable_bearer()

From: Tommi Rantala <tommi.t.rantala@nokia.com>


[ Upstream commit 19142551b2be4a9e13838099fde1351386e5e007 ]

Fix memory leak in tipc_enable_bearer() if enable_media() fails, and
cleanup with bearer_disable() if tipc_mon_create() fails.

Acked-by: Ying Xue <ying.xue@windriver.com>
Acked-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: Tommi Rantala <tommi.t.rantala@nokia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 net/tipc/bearer.c |    5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

--- a/net/tipc/bearer.c
+++ b/net/tipc/bearer.c
@@ -322,6 +322,7 @@ restart:
 	if (res) {
 		pr_warn("Bearer <%s> rejected, enable failure (%d)\n",
 			name, -res);
+		kfree(b);
 		return -EINVAL;
 	}
 
@@ -345,8 +346,10 @@ restart:
 	if (skb)
 		tipc_bearer_xmit_skb(net, bearer_id, skb, &b->bcast_addr);
 
-	if (tipc_mon_create(net, bearer_id))
+	if (tipc_mon_create(net, bearer_id)) {
+		bearer_disable(net, b);
 		return -ENOMEM;
+	}
 
 	pr_info("Enabled bearer <%s>, discovery domain %s, priority %u\n",
 		name,


Patches currently in stable-queue which might be from tommi.t.rantala@nokia.com are

queue-4.9/tipc-error-path-leak-fixes-in-tipc_enable_bearer.patch
queue-4.9/tipc-fix-tipc_mon_delete-oops-in-tipc_enable_bearer-error-path.patch