[clamav-users] Message PNG: Unexpected Early-End-Of-File

[newcomer01]

Hi @ all,

an other most frequment "Message" is PNG: Unexpected Eealy-End-Of-File
I get this in really much e-mails from my Thunderbird maildir ...
What does this Message exactly mean?

kind regards
Marc

Von / From: Clamav User Mailinglist <mailto:clamav-users at lists.clamav.net>
An / To: newcomer01 <mailto:newcomer01 at posteo.de>
CC / CC: Andy Ragusa \(Aragusa\) <mailto:aragusa at cisco.com>
Gesendet / Sent: Freitag, Dezember 09, 2022 um 22:07 (at 10:07 PM) +0100
Betreff / Subject: Re: [clamav-users] Memory Allocation error, clamd stop running
> Hi Jorge,
>
> I have attempted to reproduce the issue and haven't had any luck.  Here is what I tried, please let me know what I could be doing wrong.
>
>  1.  Downloaded the prebuilt clamav-1.0.0.win.x64.zip
>  2. clamd.exe --log=<log path>
>  3. clamdscan --log=<log path> --multiscan <folder>
>
> the scan folder had 23k files.
>
> I then tried separating the files into multiple folders, and passing all the folders into clamdscan
>
>  4. clamdscan --log=<log> --multiscan <folder 1> <folder2> ...
>
> Neither of these were able to reproduce the behavior you are seeing.  Can you tell me a little more about your particular configuration, and what else I can try to reproduce this?
>
> Thanks,
> Andy
>
> ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
> *From:* clamav-users <clamav-users-bounces at lists.clamav.net> on behalf of Jorge Elissalde via clamav-users <clamav-users at lists.clamav.net>
> *Sent:* Thursday, December 8, 2022 6:20 AM
> *To:* ClamAV users ML <clamav-users at lists.clamav.net>
> *Cc:* Jorge Elissalde <elissalde.j.e at gmail.com>
> *Subject:* Re: [clamav-users] Memory Allocation error, clamd stop running
> Hi,
>
> This is a very frequent error in the log:
>
> LibClamAV Error: cli_calloc(): Can't allocate memory (65013504 bytes).
> LibClamAV Error: cli_ac_init: Can't allocate memory for data->lsigsuboff_(last|first)[0]
> C:\Windows\SysWOW64\odbcad32.exe: Can't allocate memory ERROR
> calloc_problem: Not enough space
> LibClamAV Error: cli_calloc(): Can't allocate memory (65013504 bytes).
> calloc_problem: Not enough space
> LibClamAV Error: cli_calloc(): Can't allocate memory (65013504 bytes).
> LibClamAV Error: cli_ac_init: Can't allocate memory for data->lsigsuboff_(last|first)[0]
> C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell_ise.exe: Can't allocate memory ERROR
>
> Thanks,
>
> Jorge
>
>
> El mié, 7 dic 2022 a las 18:43, Andy Ragusa (aragusa) via clamav-users (<clamav-users at lists.clamav.net>) escribió:
>
>     Hi Jorge,
>
>     Is it a particular file that is being scanned when this happens?
>
>     Could you please send clamd's logs to help determine what is going on?
>
>     Thanks,
>     Andy
>     ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
>     *From:* clamav-users <clamav-users-bounces at lists.clamav.net> on behalf of Jorge Elissalde via clamav-users <clamav-users at lists.clamav.net>
>     *Sent:* Wednesday, December 7, 2022 3:41 PM
>     *To:* ClamAV users ML <clamav-users at lists.clamav.net>
>     *Cc:* Jorge Elissalde <elissalde.j.e at gmail.com>
>     *Subject:* [clamav-users] Memory Allocation error, clamd stop running
>     Hi,
>
>     I'm using the latest Windows Clamav version (1.0.0).
>     I'm connected to clamd and I request a folder scan having 94,249 files, 10GB total.
>     The command I send is MULTISCAN [folder].
>     When scanner is over 9,075 files it stops working and the message is:
>
>     memory allocation of 1048576 bytes failed
>
>     Clamd stop running.
>     I'm running with next relevant settings in clamd.conf:
>
>     MaxThreads 6
>     ScanArchive yes
>     MaxScanSize 20M
>     MaxFileSize 10M
>     MaxFiles 150
>     MaxRecursion 10
>
>     The same test with the older 0.105 Clamav version works without trouble using the same parameters.
>     What could be happening there?
>     Thank you
>
>     Jorge
>
>
>     _______________________________________________
>
>     Manage your clamav-users mailing list subscription / unsubscribe:
>     https://lists.clamav.net/mailman/listinfo/clamav-users
>
>
>     Help us build a comprehensive ClamAV guide:
>     https://github.com/Cisco-Talos/clamav-documentation
>
>     https://docs.clamav.net/#mailing-lists-and-chat
>
>
> _______________________________________________
>
> Manage your clamav-users mailing list subscription / unsubscribe:
> https://lists.clamav.net/mailman/listinfo/clamav-users
>
>
> Help us build a comprehensive ClamAV guide:
> https://github.com/Cisco-Talos/clamav-documentation
>
> https://docs.clamav.net/#mailing-lists-and-chat