Re: [PATCH net-next v2] net: Implement fault injection forcing skb reallocation

[Paolo Abeni]

On 10/8/24 13:13, Breno Leitao wrote:
> +void skb_might_realloc(struct sk_buff *skb)
> +{
> +	struct net_device *net = skb->dev;
> +
> +	if (skb_realloc.filtered &&
> +	    strncmp(net->name, skb_realloc.devname, IFNAMSIZ))
> +		/* device name filter set, but names do not match */
> +		return;
> +
> +	if (!should_fail(&skb_realloc.attr, 1))
> +		return;

if you wraps the above 2 statement in an helper() taking an skb 
argument, you could wrap it with the ALLOW_ERROR_INJECTION() macro, for 
added flexibility, i.e. look at the existing should_failslab().

Cheers,

Paolo