Error with a Zip File - System at 100% CPU

Derek Winkler dwinkler at ALGORITHMICS.COM
Tue Jun 15 20:55:42 IST 2004


I've had this happen again with another unrelated email.

Shouldn't MailScanner be able to handle zip files with errors a little
better?

Thanks

> -----Original Message-----
> From: MailScanner mailing list [mailto:MAILSCANNER at JISCMAIL.AC.UK]On
> Behalf Of Derek Winkler
> Sent: Wednesday, June 09, 2004 6:03 PM
> To: MAILSCANNER at JISCMAIL.AC.UK
> Subject: Error with a Zip File - System at 100% CPU
>
>
> Two of my servers were at 100% CPU utilization.
>
> After running MailScanner in debug mode got the following error on the
> console...
>
> format error: bad signature: 0x5003ff9b at offset 737316 in file
> /var/spool/MailScanner/incoming/10615/i5974bR05977/1.zip
>  at /usr/perl5/site_perl/5.005/Archive/Zip.pm line 677
>
> I moved the offending email into the outgoing queue, problem
> went away.
>
> I got a copy of qf, df and zip if interested.
>
> Different email, same problem, from and to same users on other server.
>
> Clam says:
>
> # clamscan 1.zip
> 1.zip: Zip module failure.
> 1.zip: OK
>
> ----------- SCAN SUMMARY -----------
> Known viruses: 21871
> Scanned directories: 0
> Scanned files: 1
> Infected files: 0
> Data scanned: 2.75 MB
> I/O buffer size: 131072 bytes
> Time: 4.162 sec (0 m 4 s)
> #
>
>

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