Commit 052897ca authored May 01, 2010 by Gustavo Padovan Committed by Marcel Holtmann May 10, 2010

Bluetooth: Check the SDU size against the MTU value



If the SDU size is greater than the MTU something is wrong, so report
an error.

Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
[jprvita@profusion.mobi: set err to appropriate errno value]
Signed-off-by: João Paulo Rechi Vita <jprvita@profusion.mobi>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

parent 10467e9e

net/bluetooth/l2cap.c

+5 −0

Original line number	Diff line number	Diff line
		@@ -3338,6 +3338,11 @@ static int l2cap_sar_reassembly_sdu(struct sock sk, struct sk_buff skb, u16 co
		pi->sdu_len = get_unaligned_le16(skb->data);
		skb_pull(skb, 2);

		if (pi->sdu_len > pi->imtu) {
		err = -EMSGSIZE;
		break;
		}

		pi->sdu = bt_skb_alloc(pi->sdu_len, GFP_ATOMIC);
		if (!pi->sdu) {
		err = -ENOMEM;