Description of problem:

Version-Release number of selected component (if applicable):
lldpad-1.1.0-4.git85e5583.el9.x86_64

How reproducible:

• always

Steps to Reproduce:
1. get a RHEL-9.3 machine
2. start the lldpad service
3. run the lldptool program
4. write the quit word and hit the enter key

Actual results:

1. service lldpad start
   Redirecting to /bin/systemctl start lldpad.service
2. service lldpad status
   Redirecting to /bin/systemctl status lldpad.service
   ● lldpad.service - Link Layer Discovery Protocol Agent Daemon.
   Loaded: loaded (/usr/lib/systemd/system/lldpad.service; disabled; preset: disabled)
   Active: active (running) since Tue 2023-06-20 04:33:29 EDT; 2s ago
   TriggeredBy: ● lldpad.socket
   Main PID: 6532 (lldpad)
   Tasks: 1 (limit: 11103)
   Memory: 260.0K
   CPU: 3ms
   CGroup: /system.slice/lldpad.service
   └─6532 /usr/sbin/lldpad -t

Jun 20 04:33:29 localhost systemd[1]: Started Link Layer Discovery Protocol Agent Daemon..

1. lldptool
   lldptool v1.1.0
   Copyright (c) 2007-2010, Intel Corporation

Substantially modified from: hostapd_cli v 0.5.7
Copyright (c) 2004-2007, Jouni Malinen <j@w1.fi> and contributors

This program is free software. You can distribute it and/or modify it
under the terms of the GNU General Public License version 2.

Interactive mode

> quit
Segmentation fault (core dumped)

1. echo $?
   139
2. coredumpctl info -1
   PID: 6541 (lldptool)
   UID: 0 (root)
   GID: 0 (root)
   Signal: 11 (SEGV)
   Timestamp: Tue 2023-06-20 04:33:53 EDT (19s ago)
   Command Line: lldptool
   Executable: /usr/sbin/lldptool
   Control Group: /user.slice/user-0.slice/session-4.scope
   Unit: session-4.scope
   Slice: user-0.slice
   Session: 4
   Owner UID: 0 (root)
   Boot ID: 91c337f8e9d84076b6c161b945a84099
   Machine ID: 75adac55e63d405788054ece8700e152
   Hostname: localhost
   Storage: /var/lib/systemd/coredump/core.lldptool.0.91c337f8e9d84076b6c161b945a84099.6541.1687250033000000.zst (present)
   Size on Disk: 29.7K
   Message: Process 6541 (lldptool) of user 0 dumped core.

Stack trace of thread 6541:
#0 0x00007f81a05be2ae _dl_close (ld-linux-x86-64.so.2 + 0x82ae)
#1 0x00007f81a0395fd8 _dl_catch_exception (libc.so.6 + 0x195fd8)
#2 0x00007f81a03960a3 _dl_catch_error (libc.so.6 + 0x1960a3)
#3 0x00007f81a029b36e _dlerror_run (libc.so.6 + 0x9b36e)
#4 0x00007f81a029b0d6 dlclose@GLIBC_2.2.5 (libc.so.6 + 0x9b0d6)
#5 0x0000555bf06dba92 main (lldptool + 0x3a92)
#6 0x00007f81a023feb0 __libc_start_call_main (libc.so.6 + 0x3feb0)
#7 0x00007f81a023ff60 __libc_start_main@@GLIBC_2.34 (libc.so.6 + 0x3ff60)
#8 0x0000555bf06dbae5 _start (lldptool + 0x3ae5)
ELF object binary architecture: AMD x86-64
#

Expected results:

• no segfaults