systemd-logind process is taking up to 100% of CPU

Issue

• A few processes are taking CPU upto 100%, including systemd-logind
• There are lots of cores created under /var/spool/abrt
• systemctl does not work properly
• Created coredump shows the following trace:

Core was generated by `/usr/lib/systemd/systemd-logind'.
Program terminated with signal 6, Aborted.
#0  0x00007f943602d39c in session_is_active (s=<optimized out>) at src/login/logind-session.c:732
732         if (!s->seat)
(gdb) bt
#0  0x00007f943602d39c in session_is_active (s=<optimized out>) at src/login/logind-session.c:732
#1  0x00007f94360418c8 in user_save (u=0x7f94360c09f0) at src/login/logind-user.c:218
#2  0x00007f943602b830 in session_start (s=<optimized out>, s=<optimized out>) at src/login/logind-session.c:585
#3  0x00007f9436025d28 in manager_startup.part.6.2764 (m=m@entry=0x7f94360b60a0) at src/login/logind.c:1078
#4  0x00007f9435ffbce6 in manager_startup (m=0x7f94360b60a0) at src/login/logind.c:886
#5  main (argc=<optimized out>, argv=<optimized out>) at src/login/logind.c:1169
(gdb)