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Date: Wed, 1 Nov 2017 22:17:06 +0100 From: Willy Tarreau <w@....eu> To: linux-kernel@...r.kernel.org, stable@...r.kernel.org, linux@...ck-us.net Cc: Al Viro <viro@...iv.linux.org.uk>, Marcel Holtmann <marcel@...tmann.org>, Willy Tarreau <w@....eu> Subject: [PATCH 3.10 006/139] Bluetooth: bnep: bnep_add_connection() should verify that it's dealing with l2cap socket From: Al Viro <viro@...iv.linux.org.uk> commit 71bb99a02b32b4cc4265118e85f6035ca72923f0 upstream. same story as cmtp Signed-off-by: Al Viro <viro@...iv.linux.org.uk> Signed-off-by: Marcel Holtmann <marcel@...tmann.org> Signed-off-by: Willy Tarreau <w@....eu> --- net/bluetooth/bnep/core.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/net/bluetooth/bnep/core.c b/net/bluetooth/bnep/core.c index e430b1a..e387e67 100644 --- a/net/bluetooth/bnep/core.c +++ b/net/bluetooth/bnep/core.c @@ -32,6 +32,7 @@ #include <asm/unaligned.h> #include <net/bluetooth/bluetooth.h> +#include <net/bluetooth/l2cap.h> #include <net/bluetooth/hci_core.h> #include "bnep.h" @@ -539,6 +540,9 @@ int bnep_add_connection(struct bnep_connadd_req *req, struct socket *sock) BT_DBG(""); + if (!l2cap_is_socket(sock)) + return -EBADFD; + baswap((void *) dst, &bt_sk(sock->sk)->dst); baswap((void *) src, &bt_sk(sock->sk)->src); -- 2.8.0.rc2.1.gbe9624a
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