Bug#486826: multipathd: suspicious file descriptors
Ferenc Wagner
wferi at niif.hu
Thu Jun 19 20:45:52 UTC 2008
Bastian Blank <waldi at debian.org> writes:
> On Thu, Jun 19, 2008 at 01:03:08PM +0200, Guido Günther wrote:
>
>> On Wed, Jun 18, 2008 at 02:22:41PM +0200, Ferenc Wagner wrote:
>>> * Shouldn't a daemon process always use /dev/null as stdin/stdout/stderr?
>>
>> multipathd uses /dev/console to output messages if necessary. See
>> daemonize in the code. I'm not seeing anything really wrong with this.
>
> /dev/console is routed somewhere. In case of emergency it should write
> to syslog with the appropriate severity to get the admin notified.
Hi Bastian,
It may not belong here, but I'd be interested in this. How is
/dev/console routed anywhere? Isn't that what's specified on the
kernel command line, eg. the active vc or a serial line?
>>> The sockets seem reasonable (based on /proc/net/unix), but how could I find out
>>> what the pipe is for? /proc/*/fd reveals writers only.
>
> lsof and grep? Otherwise: strace.
As you may have probably noticed, dpkg seems guilty in this.
--
Thanks,
Feri.
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