Issue

• When setting the pam_fprintd.so, file descriptor (FD) leak occurs in a process. However, when pam_fprintd.so is not set, this problem does not occur.

/etc/pam.d/system-auth:
  #%PAM-1.0
  # This file is auto-generated.
  # User changes will be destroyed the next time authconfig is run.
  auth        required      pam_env.so
  auth        sufficient    pam_fprintd.so <--- Setting
  auth        sufficient    pam_unix.so nullok try_first_pass
  auth        requisite     pam_succeed_if.so uid >= 1000 quiet_success
  auth        required      pam_deny.so