netdev - Re: [PATCH] Bluetooth: Use hci_conn_hash_lookup

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <alpine.DEB.2.02.1605022133030.2048@localhost6.localdomain6>
Date:	Mon, 2 May 2016 21:33:25 +0200 (CEST)
From:	Julia Lawall <julia.lawall@...6.fr>
To:	Johan Hedberg <johan.hedberg@...il.com>
cc:	Julia Lawall <Julia.Lawall@...6.fr>,
	Marcel Holtmann <marcel@...tmann.org>,
	kernel-janitors@...r.kernel.org,
	Gustavo Padovan <gustavo@...ovan.org>,
	"David S. Miller" <davem@...emloft.net>,
	linux-bluetooth@...r.kernel.org, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Bluetooth: Use hci_conn_hash_lookup_le



On Mon, 2 May 2016, Johan Hedberg wrote:

> Hi,
> 
> On Fri, Apr 29, 2016, Julia Lawall wrote:
> > --- a/net/bluetooth/mgmt.c
> > +++ b/net/bluetooth/mgmt.c
> > @@ -4773,7 +4773,8 @@ static int get_conn_info(struct sock *sk, struct hci_dev *hdev, void *data,
> >  		conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK,
> >  					       &cp->addr.bdaddr);
> >  	else
> > -		conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &cp->addr.bdaddr);
> > +		conn = hci_conn_hash_lookup_le(hdev, &cp->addr.bdaddr,
> > +					       cp->addr.type);
> 
> I don't think is is correct. There are two possible domains for address
> types: the user space-facing interface that has three values: BR/EDR, LE
> public & LE random, and the internal one which maps to HCI that has two
> values: random or public. You'd need to convert from the former to the
> latter when making the lookup call, i.e:
> 
> 	conn = hci_conn_hash_lookup_le(hdev, &cp->addr.bdaddr,
> 				       le_addr_type(cp->addr.type));

OK, thanks for the feedback.

julia

> 
> 
> Johan
> --
> To unsubscribe from this list: send the line "unsubscribe kernel-janitors" in
> the body of a message to majordomo@...r.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html
>