AVC on getpgid when executing "sudo reboot" as a user mapped to staff_u

Issue

• After mapping staff_u SELinux user to a wheel user, this user can successfully execute sudo reboot but this generates AVC messages as per below:

  type=PROCTITLE msg=audit(...): proctitle=7375646F0062617368
  type=SYSCALL msg=audit(...): arch=c000003e syscall=121 success=no exit=-13 ... comm="sudo" exe="/usr/bin/sudo" subj=staff_u:staff_r:staff_sudo_t:s0-s0:c0.c1023 key=(null)
  type=AVC msg=audit(...): avc:  denied  { getpgid } for  ... comm="sudo" scontext=staff_u:staff_r:staff_sudo_t:s0-s0:c0.c1023 tcontext=system_u:system_r:init_t:s0 tclass=process permissive=0