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Fix segfault on "lldptool -t -i eth2 -V PFC -c enabled" #1

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Fix segfault on "lldptool -t -i eth2 -V PFC -c enabled" #1

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4 changes: 2 additions & 2 deletions lldp_util.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1227,7 +1227,7 @@ 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;
Expand All @@ -1237,7 +1237,7 @@ int get_arg_val_list(char *ibuf, int ilen, int *ioff,
sizeof(argvalue_len));
argvalue_len = ntohs(argvalue_len);
*ioff += 2*sizeof(argvalue_len);
if (ilen - *ioff >= argvalue_len) {
if (ilen - *ioff >= 0) {
argvals[i] = ibuf+*ioff;
*ioff += argvalue_len;
*(argvallens+i) = argvalue_len;
Expand Down