Re: [PATCH stable 5.4] xsk: validate user input for XDP_{UMEM|COMPLETION}_FILL_RING

[Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx>]

On Thu, Jun 13, 2024 at 09:18:28AM +0800, Shung-Hsi Yu wrote:
> [ Upstream commit 237f3cf13b20db183d3706d997eedc3c49eacd44 ]
> 
> From: Eric Dumazet <edumazet@xxxxxxxxxx>
> 
> syzbot reported an illegal copy in xsk_setsockopt() [1]
> 
> Make sure to validate setsockopt() @optlen parameter.
> 

Now queued up, thanks.

greg k-h