[PATCH 7/7] exec: Implement kernel_execve

Christoph Hellwig hch at infradead.org
Wed Jul 15 06:42:20 UTC 2020


> +static int count_strings_kernel(const char *const *argv)
> +{
> +	int i;
> +
> +	if (!argv)
> +		return 0;
> +
> +	for (i = 0; argv[i]; ++i) {
> +		if (i >= MAX_ARG_STRINGS)
> +			return -E2BIG;
> +		if (fatal_signal_pending(current))
> +			return -ERESTARTNOHAND;
> +		cond_resched();

I don't think we need a fatal_signal_pending and cond_resched() is
needed in each step given that we don't actually do anything.



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