i am also facing this same issue.
when i execute the command.
dmesg | grep -i oom
output i get is:
clamscan invoked oom-killer: gfp_mask=0x201da, order=0, oom_adj=0, oom_score_adj=0
[250865.031807] [] oom_kill_process+0x5c/0x80
[250865.032876] [ pid ] uid tgid total_vm rss cpu oom_adj oom_score_adj name
[252665.438495] clamscan invoked oom-killer: gfp_mask=0x201da, order=0, oom_adj=0, oom_score_adj=0
[252665.438525] [] oom_kill_process+0x5c/0x80
[252665.439583] [ pid ] uid tgid total_vm rss cpu oom_adj oom_score_adj name
[364077.792997] fail2ban-server invoked oom-killer: gfp_mask=0x201da, order=0, oom_adj=0, oom_score_adj=0
[364077.793027] [] oom_kill_process+0x5c/0x80
[364077.794143] [ pid ] uid tgid total_vm rss cpu oom_adj oom_score_adj name
[364570.612300] clamscan invoked oom-killer: gfp_mask=0x201da, order=0, oom_adj=0, oom_score_adj=0
[364570.612328] [] oom_kill_process+0x5c/0x80
[364570.613425] [ pid ] uid tgid total_vm rss cpu oom_adj oom_score_adj name
[365170.316679] clamscan invoked oom-killer: gfp_mask=0x201da, order=0, oom_adj=0, oom_score_adj=0
[365170.316705] [] oom_kill_process+0x5c/0x80
[365170.317739] [ pid ] uid tgid total_vm rss cpu oom_adj oom_score_adj name
[365316.024421] clamscan invoked oom-killer: gfp_mask=0x201da, order=0, oom_adj=0, oom_score_adj=0
[365316.024447] [] oom_kill_process+0x5c/0x80
[365316.025457] [ pid ] uid tgid total_vm rss cpu oom_adj oom_score_adj name
[365601.689597] clamscan invoked oom-killer: gfp_mask=0x201da, order=0, oom_adj=0, oom_score_adj=0
[365601.689626] [] oom_kill_process+0x5c/0x80
[365601.690791] [ pid ] uid tgid total_vm rss cpu oom_adj oom_score_adj name
[366070.447334] clamscan invoked oom-killer: gfp_mask=0x201da, order=0, oom_adj=0, oom_score_adj=0
[366070.447361] [] oom_kill_process+0x5c/0x80
[366070.448398] [ pid ] uid tgid total_vm rss cpu oom_adj oom_score_adj name
[366370.289040] clamscan invoked oom-killer: gfp_mask=0x201da, order=0, oom_adj=0, oom_score_adj=0
[366370.289067] [] oom_kill_process+0x5c/0x80
[366370.290081] [ pid ] uid tgid total_vm rss cpu oom_adj oom_score_adj name
[366970.209529] clamscan invoked oom-killer: gfp_mask=0x201da, order=0, oom_adj=0, oom_score_adj=0
[366970.209557] [] oom_kill_process+0x5c/0x80
[366970.210551] [ pid ] uid tgid total_vm rss cpu oom_adj oom_score_adj name
[368769.284445] clamscan invoked oom-killer: gfp_mask=0x201da, order=0, oom_adj=0, oom_score_adj=0
[368769.284474] [] oom_kill_process+0x5c/0x80
[368769.285574] [ pid ] uid tgid total_vm rss cpu oom_adj oom_score_adj name
[368774.452359] proxymap invoked oom-killer: gfp_mask=0x201da, order=0, oom_adj=0, oom_score_adj=0
[368774.452386] [] oom_kill_process+0x5c/0x80
[368774.453386] [ pid ] uid tgid total_vm rss cpu oom_adj oom_score_adj name
clamd invoked oom-killer: gfp_mask=0x201da, order=0, oom_adj=0, oom_score_adj=0
[] oom_kill_process+0x5c/0x80
[ pid ] uid tgid total_vm rss cpu oom_adj oom_score_adj name
can you tell what is the problem facing by me?