Re: [Patch] rose_route_frame() NULL pointer dereference kernel panic

[David Miller]

From: f6bvp <f6...@free.fr>
Date: Wed, 24 Feb 2016 17:53:11 +0100

> @@ -863,6 +863,11 @@ int rose_route_frame(struct sk_buff *skb, ax25_cb
> *ax25)

First of all this patch was corrupted by your email client.

>         int res = 0;
>         char buf[11];
> 
> +       if (ax25 == NULL) {
> +               printk("Null ax25 destination !\n");
> +               return res;
> +       }

Second of all, this log message is not appropriate, especially given that
rose_xmit() calls rose_rout_frame() with an explicit NULL second argument.