Mailscanner crash with word doc in attachment

[Emmanuel Varin]

Hi all,

 

When mailscanner receive a mail with a word document in attachement,
Mailscanner crash (if virus scanning is enabled). A core is generated under
a directory (HAAxxxx) in the incomming directory of mailscanner. With the
core, the header and the attachement of the message is also present. but the
process of mailscanner is crashed and the mails in queue are blocked until a
desactivate the virus scanning parameter.

 

Maillog without debug mode, with a word document in attachment in mail queue
(Mailscanner crash with a zombie process) :

 

Mar 12 11:30:10 MailScanner[25207]: New Batch: Found 2 messages waiting 

Mar 12 11:30:10 MailScanner[25207]: New Batch: Scanning 1 messages, 16855
bytes 

Mar 12 11:30:10 MailScanner[25207]: Spam Checks: Starting 

Mar 12 11:30:10 MailScanner[25307]: MailScanner E-Mail Virus Scanner version
4.28.6 starting... 

Mar 12 11:30:17 MailScanner[25281]: Using locktype = flock 

Mar 12 11:30:20 MailScanner[25185]: New Batch: Scanning 1 messages, 16855
bytes 

Mar 12 11:30:20 MailScanner[25185]: Spam Checks: Starting 

Mar 12 11:30:20 MailScanner[25327]: MailScanner E-Mail Virus Scanner version
4.28.6 starting...

 

 

Starting debugging mode :

 

Starting MailScanner...

In Debugging mode, not forking... 

 

 

Messages in Maillog while mailscanner processing in debug mode :

 

Mar 12 11:33:43 MailScanner[25619]: MailScanner E-Mail Virus Scanner version
4.28.6 starting... 

Mar 12 11:33:49 MailScanner[25619]: lock.pl sees Config  LockType =  flock 

Mar 12 11:33:49 MailScanner[25619]: lock.pl sees have_module =  0 

Mar 12 11:33:49 MailScanner[25619]: Using locktype = flock 

Mar 12 11:33:49 MailScanner[25619]: New Batch: Scanning 3 messages, 22643
bytes 

Mar 12 11:33:49 MailScanner[25619]: Spam Checks: Starting 

Mar 12 11:33:49 MailScanner[25619]: RBL Checks: returned 0 

Mar 12 11:33:50 MailScanner[25619]: SpamAssassin returned 0 

Mar 12 11:33:50 MailScanner[25619]: RBL Checks: returned 0 

Mar 12 11:33:51 MailScanner[25619]: SpamAssassin returned 0 

Mar 12 11:33:52 MailScanner[25619]: RBL Checks: returned 0 

Mar 12 11:33:54 MailScanner[25619]: SpamAssassin returned 0 

Mar 12 11:33:54 MailScanner[25619]: Created attachment dirs for 3 messages

 

At this time, Mailscanner crash. And the messages aren't sent !!!

 

What can I do ?

 

Thanks

 

Emmanuel.

 

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