[clamav-users] Lots of "fmap_readpage" errors with ClamAV 0.99.2 on centos 7

[Steve Morgan (stevmorg)]

Hi,

You could try setting "Debug true" in your clamd.conf file, or use clamscan --debug, to obtain some more info about the issue. Using debug mode will produce lots of output. If you post it somewhere, I'll take a look at it.

Steve 

-----Original Message-----
From: clamav-users [mailto:clamav-users-bounces at lists.clamav.net] On Behalf Of Ardavast Dayleryan
Sent: Thursday, June 08, 2017 5:13 AM
To: clamav-users at lists.clamav.net
Subject: [clamav-users] Lots of "fmap_readpage" errors with ClamAV 0.99.2 on centos 7

Hello,

I'm running a freshly installed centos 7 box with this vagrant
image: https://atlas.hashicorp.com/centos/boxes/7
SELinux is set to disabled. ClamAV is installed from EPEL, and is running with this configuration: https://pastebin.com/JZqPHc05

It works properly, and succeeds in detecting malicious files, however on many filesystem operations (e.g. if I manually type "ls" in the console), I get errors like these in /var/log/messages which quickly fill the entire
logfile:
Jun  8 08:46:06 clamav clamd: LibClamAV Error: fmap_readpage: pread error:
Is a directory
Jun  8 08:46:06 clamav clamd: LibClamAV Error: fmap_readpage: pread error:
Is a directory
Jun  8 08:46:07 clamav clamd: LibClamAV Error: fmap_readpage: pread error:
Is a directory
Jun  8 08:46:07 clamav clamd: LibClamAV Error: fmap_readpage: pread error:
Is a directory
Jun  8 08:46:08 clamav clamd: LibClamAV Error: fmap_readpage: pread error:
Is a directory
Jun  8 08:46:09 clamav clamd: LibClamAV Error: fmap_readpage: pread error:
Is a directory
Jun  8 08:46:09 clamav clamd: LibClamAV Error: fmap_readpage: pread error:
Is a directory

I was not able to determine the cause by reading the source, and I'm not sure if this is a sign of something worse. Can someone help me understand why is this happening and should I be worried? Any help is appreciated.
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