tipc: validate length of sockaddr in connect() for dgram/rdm
authorSasha Levin <sasha.levin@oracle.com>
Mon, 23 Mar 2015 19:30:00 +0000 (15:30 -0400)
committerDavid S. Miller <davem@davemloft.net>
Tue, 24 Mar 2015 16:50:39 +0000 (12:50 -0400)
commit610600c8c5e25d551a010b64412cf731c084b1e1
treeaa1e059d0a28f346d32e764c7720ff8126fc8f49
parent0117ec1970c5fa9c566045e7df8db76acc8f150e
tipc: validate length of sockaddr in connect() for dgram/rdm

Commit f2f8036 ("tipc: add support for connect() on dgram/rdm sockets")
hasn't validated user input length for the sockaddr structure which allows
a user to overwrite kernel memory with arbitrary input.

Fixes: f2f8036 ("tipc: add support for connect() on dgram/rdm sockets")
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
Acked-by: Ying Xue <ying.xue@windriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/tipc/socket.c