Amavisd logging question
bill at inetmsg.com
Tue Mar 8 19:28:22 CET 2011
On 3/8/2011 6:57 AM, Mark Martinec wrote:
>>>> I have been noticing for quite some time that amavisd-new logs test
>>>> results messages to the maillog differently at time. For example:
>>>> Feb 27 14:22:06 mail amavis: (27931-08) Passed CLEAN
>>>> Feb 27 14:22:56 mail ch4-03611-04): (03611-04) Passed CLEAN
>>>> These are 2 different message that amavisd-new tested and reported to
>>>> the maillog as "Passed CLEAN". However, notice that the first log entry
>>>> clearly shows it came from "amavis", but the second log entry show it
>>>> came from "ch4-03611-04)". Note that there is also a closing ")" is the
>>>> second log entry but no opening "(".
>>>> Any ideas why this is happening and what I can do to fix it? I am
>>>> currently running amavisd-new-2.6.4 (20090625).
>>> What syslog variant are you using?
>>> Looks like part of a process name ($0) ends up as a syslog ident.
>> I'm running Fedora 12:
>> Linux mail.inetmsg.com 22.214.171.124-175.fc12.i686.PAE #1 SMP Wed Dec 1
>> 21:45:50 UTC 2010 i686 athlon i386 GNU/Linux
>> rsyslogd 4.4.2, compiled with: [...]
> I just came across a note in the syslog(3) man page on Linux:
> The argument 'ident' in the call of openlog() is probably stored as-is.
> Thus, if the string it points to is changed, syslog() may start prepending
> the changed string, and if the string it points to ceases to exist, the results
> are undefined.
> Perhaps using a static variable would help, in case the Unix::Syslog
> module does not cope with this detail.
> Could you please try the attached patch for 2.6.4 (same for 2.7.0).
Mark, I've applied the patch and so far things are looking good.
Usually I see about 500 of these "Mar 8 04:26:36 mail ch25-04407-25)"
type entries in the maillog per day, so I'll report back tomorrow on
whether the patched resolved this or not.
Thanks for the awesome support you always provide for amavisd!
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