Patch "[PATCH 134/135] tipc: fix an infoleak in tipc_nl_compat_link_dump" has been added to the 4.4-stable tree

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

[PATCH 134/135] tipc: fix an infoleak in tipc_nl_compat_link_dump

to the 4.4-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:

     0134-tipc-fix-an-infoleak-in-tipc_nl_compat_link_dump.patch

and it can be found in the queue-4.4 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree, please let <[email protected]> know about it.

From: Kangjie Lu <[email protected]>
Date: Thu, 14 Jul 2016 15:02:06 +0100
Subject: [PATCH 134/135] tipc: fix an infoleak in tipc_nl_compat_link_dump

[ Upstream commit 5d2be1422e02ccd697ccfcd45c85b4a26e6178e2 ]

link_info.str is a char array of size 60. Memory after the NULL byte is not initialized. Sending the whole object out can cause a leak.

---
 net/tipc/netlink_compat.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

@@ -574,7 +574,8 @@ static int tipc_nl_compat_link_dump(stru
 
 	link_info.dest = nla_get_flag(link[TIPC_NLA_LINK_DEST]);
 	link_info.up = htonl(nla_get_flag(link[TIPC_NLA_LINK_UP]));
-	strcpy(link_info.str, nla_data(link[TIPC_NLA_LINK_NAME]));
+	nla_strlcpy(link_info.str, nla_data(link[TIPC_NLA_LINK_NAME]),
+		    TIPC_MAX_LINK_NAME);
 
 	return tipc_add_tlv(msg->rep, TIPC_TLV_LINK_INFO,
 			    &link_info, sizeof(link_info));

Patches currently in stable-queue which might be from [email protected] are

queue-4.4/0134-tipc-fix-an-infoleak-in-tipc_nl_compat_link_dump.patch