From: Luiz Augusto von Dentz Date: Mon, 16 Mar 2026 18:34:13 +0000 (-0400) Subject: Bluetooth: L2CAP: Fix printing wrong information if SDU length exceeds MTU X-Git-Url: http://git.ipfire.org/index.cgi?a=commitdiff_plain;h=15bf35a660eb82a49f8397fc3d3acada8dae13db;p=thirdparty%2Fkernel%2Flinux.git Bluetooth: L2CAP: Fix printing wrong information if SDU length exceeds MTU The code was printing skb->len and sdu_len in the places where it should be sdu_len and chan->imtu respectively to match the if conditions. Link: https://lore.kernel.org/linux-bluetooth/20260315132013.75ab40c5@kernel.org/T/#m1418f9c82eeff8510c1beaa21cf53af20db96c06 Fixes: e1d9a6688986 ("Bluetooth: LE L2CAP: Disconnect if received packet's SDU exceeds IMTU") Signed-off-by: Luiz Augusto von Dentz Reviewed-by: Paul Menzel --- diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c index 9916ae6abef04..5a4cd530ef33c 100644 --- a/net/bluetooth/l2cap_core.c +++ b/net/bluetooth/l2cap_core.c @@ -6740,7 +6740,7 @@ static int l2cap_ecred_data_rcv(struct l2cap_chan *chan, struct sk_buff *skb) if (sdu_len > chan->imtu) { BT_ERR("Too big LE L2CAP SDU length: len %u > %u", - skb->len, sdu_len); + sdu_len, chan->imtu); l2cap_send_disconn_req(chan, ECONNRESET); err = -EMSGSIZE; goto failed;