Subject: Re: [PATCH 4.14] phonet: refcount leak in pep_sock_accep

From: Greg KH <[email-masked]>
Date: Fri, 7 Jan 2022 12:24:02 +0100

On Fri, Jan 07, 2022 at 02:53:32AM -0800, Aayush Agarwal wrote:
> From: Hangyu Hua <[email-masked]>
> 
> commit bcd0f9335332 ("phonet: refcount leak in pep_sock_accep")
> upstream.
> 
> sock_hold(sk) is invoked in pep_sock_accept(), but __sock_put(sk) is not
> invoked in subsequent failure branches(pep_accept_conn() != 0).
> 
> Signed-off-by: Hangyu Hua <[email-masked]>
> Link: https://lore.kernel.org/r/[email-masked]
> Signed-off-by: Jakub Kicinski <[email-masked]>
> Signed-off-by: Aayush Agarwal <[email-masked]>
> ---
>  net/phonet/pep.c | 1 +
>  1 file changed, 1 insertion(+)

What about releases 5.15.y, 5.10.y, 5.4.y, and 4.19.y?  Is this also
relevant for those trees?

thanks,

greg k-h