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bluetooth: Validate socket address length in sco_sock_bind().

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[ Upstream commit 5233252fce714053f0151680933571a2da9cbfb4 ]

Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
David S. Miller 2015-12-15 15:39:08 -05:00 committed by Greg Kroah-Hartman
parent 83f2b08607
commit aea23834fd
1 changed files with 3 additions and 0 deletions
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3
net/bluetooth/sco.c
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@ -456,6 +456,9 @@ static int sco_sock_bind(struct socket *sock, struct sockaddr *addr, int addr_le
if (!addr || addr->sa_family != AF_BLUETOOTH)
return -EINVAL;
if (addr_len < sizeof(struct sockaddr_sco))
return -EINVAL;
lock_sock(sk);
if (sk->sk_state != BT_OPEN) {