Re: [PATCH v11 net-next 00/12] eBPF syscall, verifier, testsuite

[Alexei Starovoitov]

On Thu, Sep 11, 2014 at 12:54 PM, Daniel Borkmann <dborkman@xxxxxxxxxx> wrote:
> On 09/10/2014 10:21 PM, Alexei Starovoitov wrote:
> ...
>>>>
>>>>                char bpf_log_buf[LOG_BUF_SIZE];
>>>
>>>
>>> What happens if the size isn't LOG_BUF_SIZE?
>>
>>
>> would do you mean?
>> LOG_BUF_SIZE is just a user defined macro.
>> Can be anything.
>
> I believe, Andy means, what would happen if log_level > 0 but
> the log_size is not big enough so that the human-readable error
> text string from the verifier will fit into it? I presume that
> will be truncated then ... hm.

Correct. It will be truncated and ENOSPC returned from syscall.
Just noticed that I didn't mention that in the manpage... will do.
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