Re: [PATCH net] net: openvswitch: fix nested key length validation in the set() action

[Aaron Conole]

Ilya Maximets <i.maximets@xxxxxxx> writes:

> It's not safe to access nla_len(ovs_key) if the data is smaller than
> the netlink header.  Check that the attribute is OK first.
>
> Fixes: ccb1352e76cf ("net: Add Open vSwitch kernel components.")
> Reported-by: syzbot+b07a9da40df1576b8048@xxxxxxxxxxxxxxxxxxxxxxxxx
> Closes: https://syzkaller.appspot.com/bug?extid=b07a9da40df1576b8048
> Tested-by: syzbot+b07a9da40df1576b8048@xxxxxxxxxxxxxxxxxxxxxxxxx
> Signed-off-by: Ilya Maximets <i.maximets@xxxxxxx>
> ---

Acked-by: Aaron Conole <aconole@xxxxxxxxxx>