Re: [PATCH] wifi: cfg80211: validate IEs in cfg80211_wext_siwgenie()

[Johannes Berg]

On Fri, 2026-07-10 at 08:16 +0530, Deepanshu Kartikey wrote:
> 
> +bool cfg80211_validate_ies(const u8 *ies, size_t ies_len)
> +{
> +	size_t pos = 0;
> +
> +	while (pos < ies_len) {
> +		if (pos + 2 > ies_len)
> +			return false;
> +		if (pos + 2 + ies[pos + 1] > ies_len)
> +			return false;
> +		pos += 2 + ies[pos + 1];
> +	}
> +
> +	return true;
> +}
> +EXPORT_SYMBOL(cfg80211_validate_ies);

I don't believe you'd need to even export this, and we also already have
validate_ie_attr() in nl80211, written in a better way too...

johannes