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[PATCH] Fix signedness problem at socket creation

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CAN-2005-0750 is assigned to this issue

ilja <ilja@suresec.org> discovered potential local root exploit in
bluetooth socket creation.

This patch fixes a small signedness problem when creating the
socket.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Chris Wright <chrisw@osdl.org>
This commit is contained in:
Marcel Holtmann 2005-03-25 17:49:05 -08:00 committed by Greg KH
parent cc981951db
commit ff8b1b95f7
1 changed files with 3 additions and 3 deletions
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6
net/bluetooth/af_bluetooth.c
View file

@ -64,7 +64,7 @@ static kmem_cache_t *bt_sock_cache;
int bt_sock_register(int proto, struct net_proto_family *ops)
{
if (proto >= BT_MAX_PROTO)
if (proto < 0 || proto >= BT_MAX_PROTO)
return -EINVAL;
if (bt_proto[proto])
@ -77,7 +77,7 @@ EXPORT_SYMBOL(bt_sock_register);
int bt_sock_unregister(int proto)
{
if (proto >= BT_MAX_PROTO)
if (proto < 0 || proto >= BT_MAX_PROTO)
return -EINVAL;
if (!bt_proto[proto])
@ -92,7 +92,7 @@ static int bt_sock_create(struct socket *sock, int proto)
{
int err = 0;
if (proto >= BT_MAX_PROTO)
if (proto < 0 || proto >= BT_MAX_PROTO)
return -EINVAL;
#if defined(CONFIG_KMOD)