Why is clamscan being killed?

Question

linux

I want to hang clamscan on cron I run it
for verification
clamscan -i -r <some_dir>
After 20 seconds
killed
without explanation.
What does not suit him?

Answer 1

Perhaps there is not enough memory and the OOM killer is killing this process.
Or some other process. Does this process kill every time exactly 20 seconds later?