bug processing zip file with errors

Fred Broughton phred at SVERICA.COM
Wed Jun 30 18:45:37 IST 2004


Stuck in the Incoming Queue Dir.
-rw-------    1 root     smmsp     6689347 Jun 30 10:17 dfi5UFHJPq025431
-rw-------    1 root     smmsp         881 Jun 30 10:17 qfi5UFHJPq025431

Each time I restart MailScanner I lose one process
root     28625 28616  0 12:30 ?        00:00:00 [MailScanner <defunct>]

mv the files and restart and every process starts up fine.

Phred


-----Original Message-----
From: Mariano Absatz [mailto:mailscanner at LISTS.COM.AR] 
Sent: Wednesday, June 30, 2004 11:48
To: MAILSCANNER at JISCMAIL.AC.UK
Subject: Re: bug processing zip file with errors

Hi Phred,

thanx for doing the test... did the queue files qf/df for this message remain 
in the input queue?

El 30 Jun 2004 a las 11:37, Fred Broughton escribió:

> RH ES3.0 with sendmail 8.12.8, MailSacnner 4.31.6, Archive::Zip 1.09 and
> Mcafee v4.24.0.
> MailScanner process that picked up the file died silently (defunct)
> Email never made it through.
> 
> 
> 
> -----Original Message-----
> From: Mariano Absatz [mailto:mailscanner at LISTS.COM.AR] 
> Sent: Wednesday, June 30, 2004 09:31
> To: MAILSCANNER at JISCMAIL.AC.UK
> Subject: bug processing zip file with errors
> 
> Hi,
> 
> I got again the same problem I described in http://tinyurl.com/228le but
> now
> I could capture the message.
> 
> The culprit is an (apparently) innocent message that contains a
> corrupted zip
> file. The big problem is that instead of detecting the zip file as
> corrupt
> and do something (maybe we should have an option about what to do?),
> MailScanner loops infinitely, eating CPU, and the message doesn't get
> delivered nor deleted.
> 
> Julian, would you take a look at this when you have a moment, please?
> 
> INFO: MailScanner 4.29.7 with ZMailer 2.99.56 - Archive::Zip 1.10 -
> RedHat
> (used with an old RHL6.1 and with Fedora Core 1). Verified with Perl
> 5.6.1
> and 5.8.3.
> 
> Example corrupt zip file (don't know where it came from nor what it has,
> it
> was in a message that triggered the problem):
> http://baby.com.ar/MailScanner/err_zip/PSt422.zip
> 
> Would someone with an MTA other than ZMailer try to send this file thru
> a
> MailScanner server and see what happens?
> 
> 
> Example ZMailer queue file:
> http://baby.com.ar/MailScanner/err_zip/queue_file
> 
> Supervise log (supervise is capturing STDERR from MailScanner):
> http://baby.com.ar/MailScanner/err_zip/supervise_times.log
> 
> MailScanner log of the affected process (pid=3472):
> http://baby.com.ar/MailScanner/err_zip/mailscanner.log
> (there were no further output from that PID until I manually killed it
> at
> 10:57).
> 
> Output of 'top -b -n1' before killing the affected process:
> http://baby.com.ar/MailScanner/err_zip/top.out
> 

--
Mariano Absatz
El Baby
----------------------------------------------------------
"An idiot with a computer is a faster, better idiot"
                                  -- Rich Julius

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