Bad access to IP address in memory
Russ Allbery
rra at stanford.edu
Sat Jul 5 00:37:54 UTC 2008
Julien ÉLIE <julien at trigofacile.com> writes:
>> case CTnntp:
>> snprintf(cp->Name, sizeof(cp->Name), "%s:%d",
>> cp->Address.ss_family == 0 ? "localhost" : RChostname(cp),
>> cp->fd);
>> break;
>>
>> I wonder if something similar is needed in status, although the results
>> you see still don't look like printing out zeroed memory.
>
> Sure. It would indeed solve the visible problem, but not what happens
> below the iceberg.
>
> By the way, if I change
> memset( &new->Address, 0, sizeof( new->Address ) );
> to
> memset( &new->Address, 1, sizeof( new->Address ) );
> or another value, "localhost" is not written; I thought ss_family
> could be AF_INET or AF_INET6 (or 0).
Well, the code uses a family value of 0 to determine that it's a local
socket, so if you set it to something else, the code gets confused.
> Sorry for this lame question but... how to run innd under valgrind?
>
> I tried
>
> valgrind --trace-children=yes --track-fds=yes --log-file=inn-valgrind /home/news/bin/innd
>
> (and also rc.news)
> but it does not work. After a few seconds, valgrind stops... (And innd
> goes on alone.)
I'm not sure. When I've done this before, I don't recall having any
special trouble.
--
Russ Allbery (rra at stanford.edu) <http://www.eyrie.org/~eagle/>
Please send questions to the list rather than mailing me directly.
<http://www.eyrie.org/~eagle/faqs/questions.html> explains why.
More information about the inn-workers
mailing list