diff options
| author | Ursula Braun <ursula.braun@de.ibm.com> | 2016-01-19 10:41:33 +0100 |
|---|---|---|
| committer | Luis Henriques <luis.henriques@canonical.com> | 2016-03-09 10:38:48 +0000 |
| commit | db729fa3f3ffe02c6cc6eb235a9eb4ca4a5e60f6 (patch) | |
| tree | 78c88b3985bbb807420b293aff818e1d661df2ab | |
| parent | d34102e6c5701f1d9fda547ad1767788a2b97e1f (diff) | |
af_iucv: Validate socket address length in iucv_sock_bind()
commit 52a82e23b9f2a9e1d429c5207f8575784290d008 upstream.
Signed-off-by: Ursula Braun <ursula.braun@de.ibm.com>
Reported-by: Dmitry Vyukov <dvyukov@google.com>
Reviewed-by: Evgeny Cherkashin <Eugene.Crosser@ru.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Luis Henriques <luis.henriques@canonical.com>
| -rw-r--r-- | net/iucv/af_iucv.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/net/iucv/af_iucv.c b/net/iucv/af_iucv.c index 7a95fa4a3de1..f521848e26c7 100644 --- a/net/iucv/af_iucv.c +++ b/net/iucv/af_iucv.c @@ -709,6 +709,9 @@ static int iucv_sock_bind(struct socket *sock, struct sockaddr *addr, if (!addr || addr->sa_family != AF_IUCV) return -EINVAL; + if (addr_len < sizeof(struct sockaddr_iucv)) + return -EINVAL; + lock_sock(sk); if (sk->sk_state != IUCV_OPEN) { err = -EBADFD; |