Messages in this thread | | | Date | Thu, 11 Sep 2014 13:35:31 -0700 | Subject | Re: [PATCH v11 net-next 00/12] eBPF syscall, verifier, testsuite | From | Alexei Starovoitov <> |
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On Thu, Sep 11, 2014 at 12:54 PM, Daniel Borkmann <dborkman@redhat.com> 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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