linux-kernel - Re: [PATCH] usb: typec: fix unreleased fwnode_handle in typec_port_register

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <ZxZPS7jt4mI1TUG-@kuha.fi.intel.com>
Date: Mon, 21 Oct 2024 15:55:39 +0300
From: Heikki Krogerus <heikki.krogerus@...ux.intel.com>
To: Javier Carrasco <javier.carrasco.cruz@...il.com>
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Hans de Goede <hdegoede@...hat.com>, linux-usb@...r.kernel.org,
	linux-kernel@...r.kernel.org, stable@...r.kernel.org
Subject: Re: [PATCH] usb: typec: fix unreleased fwnode_handle in
 typec_port_register_altmodes()

On Sat, Oct 19, 2024 at 10:40:19PM +0200, Javier Carrasco wrote:
> The 'altmodes_node' fwnode_handle is never released after it is no
> longer required, which leaks the resource.
> 
> Add the required call to fwnode_handle_put() when 'altmodes_node' is no
> longer required.
> 
> Cc: stable@...r.kernel.org
> Fixes: 7b458a4c5d73 ("usb: typec: Add typec_port_register_altmodes()")
> Signed-off-by: Javier Carrasco <javier.carrasco.cruz@...il.com>

Reviewed-by: Heikki Krogerus <heikki.krogerus@...ux.intel.com>

> ---
>  drivers/usb/typec/class.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/usb/typec/class.c b/drivers/usb/typec/class.c
> index d61b4c74648d..1eb240604cf6 100644
> --- a/drivers/usb/typec/class.c
> +++ b/drivers/usb/typec/class.c
> @@ -2341,6 +2341,7 @@ void typec_port_register_altmodes(struct typec_port *port,
>  		altmodes[index] = alt;
>  		index++;
>  	}
> +	fwnode_handle_put(altmodes_node);
>  }
>  EXPORT_SYMBOL_GPL(typec_port_register_altmodes);
>  
> 

-- 
heikki