segfautl on "lldptool -t -i eth2 -V PFC -c enabled :

[sowminiv]

Man page at https://linux.die.net/man/8/lldptool-pfc claims this should work.
But I get a segfault at
(gdb) bt
#0 0x000000000040a993 in get_arg_val_list (ibuf=0x7fffffffc2cd "07enabled",
ilen=14, ioff=0x7fffffffb12c, args=0x6163e0, argvals=0x6163c0)
at lldp_util.c:1239
#1 0x0000000000403c86 in print_arg_value (ibuf=0x7fffffffc2cd "07enabled")
at lldptool_cmds.c:406
#2 0x0000000000403d65 in print_tlvs (cmd=0x7fffffffb1e0,
ibuf=0x7fffffffc2cd "07enabled") at lldptool_cmds.c:436
#3 0x0000000000404225 in print_cmd_response (
ibuf=0x7fffffffc2b3 "C3010000001504eth10080c20b07enabled", status=0)
at lldptool_cmds.c:559
#4 0x000000000040432a in print_response (
buf=0x7fffffffc2b0 "R00C3010000001504eth10080c20b07enabled", status=0)
at lldptool_cmds.c:591
#5 0x0000000000401f6c in parse_print_message (
msg=0x7fffffffc2b0 "R00C3010000001504eth10080c20b07enabled", print=1)
at lldptool.c:280
#6 0x0000000000402142 in _clif_command (clif=0x616010,
cmd=0x7fffffffd3d2 "M00000001C3010000001504eth1000080c20b07enabled",
print=1) at lldptool.c:337
#7 0x0000000000402180 in clif_command (clif=0x616010,
cmd=0x7fffffffd3d2 "M00000001C3010000001504eth1000080c20b07enabled", raw=0)
at lldptool.c:346
#8 0x000000000040359d in cli_cmd_gettlv (clif=0x616010, argc=1,
argv=0x7fffffffe590, cmd=0x7fffffffd3b0, raw=0) at lldptool_cmds.c:177
#9 0x0000000000402a5a in request (clif=0x616010, argc=8, argv=0x7fffffffe558)
at lldptool.c:643
#10 0x0000000000402f5f in main (argc=8, argv=0x7fffffffe558) at lldptool.c:796

Sounds like this needs
--- a/lldp_util.c
+++ b/lldp_util.c
@@ -1207,7 +1207,7 @@ int get_arg_val_list(char *ibuf, int ilen, int *ioff,
}
hexstr2bin(ibuf+*ioff, &arglen, sizeof(arglen));
*ioff += 2 * (int)sizeof(arglen);

•           if (ilen - *ioff >= arglen) {
  

•           if (ilen - *ioff >= 0) {
                    args[i] = ibuf+*ioff;
                    *ioff += arglen;
                    *(arglens+i) = arglen;
  

@@ -1217,7 +1217,7 @@ int get_arg_val_list(char *ibuf, int ilen, int *ioff,
sizeof(argvalue_len));
argvalue_len = ntohs(argvalue_len);
ioff += 2sizeof(argvalue_len);

•                           if (ilen - *ioff >= argvalue_len) {
  

•                           if (ilen - *ioff >= 0) {
                                    argvals[i] = ibuf+*ioff;
                                    *ioff += argvalue_len;
                                    *(argvallens+i) = argvalue_len;
  

But given that the existing code has cuss-words like ibuf+*ioff
(spaces are free, you know?) one can never tell what the author was thinking.