This adds an extra check for ensuring that the size of sockaddr_l2
does not grow larger than sockaddr.
Signed-off-by: Marcel Holtmann <marcel@xxxxxxxxxxxx>
---
net/bluetooth/l2cap_sock.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/net/bluetooth/l2cap_sock.c b/net/bluetooth/l2cap_sock.c
index f65caf41953f..20206cd3acbc 100644
--- a/net/bluetooth/l2cap_sock.c
+++ b/net/bluetooth/l2cap_sock.c
@@ -1614,6 +1614,8 @@ int __init l2cap_init_sockets(void)
{
int err;
+ BUILD_BUG_ON(sizeof(struct sockaddr_l2) > sizeof(struct sockaddr));
+
err = proto_register(&l2cap_proto, 0);
if (err < 0)
return err;
--
2.1.0
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