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Bluetooth: bnep: bnep_add_connection() should verify that it's dealing with l2cap...
author
Al Viro
<viro@zeniv.linux.org.uk>
Fri, 19 Dec 2014 06:20:59 +0000
(06:20 +0000)
committer
Ben Hutchings
<ben@decadent.org.uk>
Mon, 1 Jan 2018 20:51:04 +0000
(20:51 +0000)
commit
71bb99a02b32b4cc4265118e85f6035ca72923f0
upstream.
same story as cmtp
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
[bwh: Backported to 3.2: adjust context]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
net/bluetooth/bnep/core.c
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diff --git
a/net/bluetooth/bnep/core.c
b/net/bluetooth/bnep/core.c
index
1eea820
..
1bafa4c
100644
(file)
--- a/
net/bluetooth/bnep/core.c
+++ b/
net/bluetooth/bnep/core.c
@@
-560,6
+560,9
@@
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);