Wireshark: Re: recent buildbot fuzz failures

[Gerald Combs <gerald () wireshark org>]

On 1/23/13 7:46 PM, Jeff Morriss wrote:
> Hi Gerald,
>
> The buildbot's been generating a lot of fuzz failure bugs recently--none
> of which I've been able to reproduce in any of the supported trunks
> (Valgrind is silent too).
>
> Any idea what's going on?
>
> The last fuzz failure log says this (which doesn't make sense):
>
> >     /home/wireshark/menagerie/menagerie/9460-test.pcap: (-nVxr) (-nr)  OK
> >
> > ls: cannot access
> > /dev/shm/buildbot/clangcodeanalysis/menagerie-fuzz/fuzz-*.pcap: No
> > such file or directory
In order to improve performance and reduce the I/O load I've been using
/dev/shm (which uses tmpfs) as the temporary directory for fuzzing.
However, it looks like the contents of /dev/shm disappear and reappear
periodically. The buildbots complain about missing files but when I
check they're there. I'm not sure what's causing it. Maybe a cron job or
daemon periodically clobbers and un-clobbers /dev/shm?

I moved fuzzing to its own mount point. Hopefully Buildbot will stop
complaining.
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