[gnutls-devel] GnuTLS | Fix uninitialized warning in pkcs11.c (2063c619)
    Development of GNU's TLS library 
    gnutls-devel at lists.gnutls.org
       
    Wed Jan 30 15:40:15 CET 2019
    
    
  
Tim Rühsen commented on a discussion on lib/pkcs11.c:
>  
> -	if (temp_str)
> -		len = strlen(temp_str);
> -	else if (str_max == 0)
> -		len = 0;
> -	else
> -		len = p11_kit_space_strlen(str, str_max);
> -
> -	if (len + 1 > *output_size) {
> +	if (len < *output_size) {
> +		if (len)
> +			memcpy(output, str, len);
> +		((char *) output)[len] = '\0';
> +		*output_size = len;
> +		ret = 0;
> +	} else {
I see. But we currently don't have a test that we can easily extend. The function is called during the tests only indirectly from p11tool. IMO we should have a fuzzer for the gnutls_pkcs11 API. But that is definitely a different issue.
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