diff options
| author | Ursula Braun <ursula.braun@de.ibm.com> | 2016-01-19 10:41:33 +0100 |
|---|---|---|
| committer | Sasha Levin <sasha.levin@oracle.com> | 2016-03-04 10:25:46 -0500 |
| commit | 257ed6d440536351b9ceca7005ee89fbcc352b75 (patch) | |
| tree | 1490f09f5df8a2f72b5770e2b835ce45a848658a /net/iucv | |
| parent | 35cc814663e4f3515fb6bae8a3b5c188aa2b6f89 (diff) | |
af_iucv: Validate socket address length in iucv_sock_bind()
[ Upstream commit 52a82e23b9f2a9e1d429c5207f8575784290d008 ]
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: Sasha Levin <sasha.levin@oracle.com>
Diffstat (limited to 'net/iucv')
| -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 6daa52a18d40..123f6f9f854c 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; |