Handle very large -f files by rejecting them.

[tcpdump] / print-dhcp6.c

diff --git a/print-dhcp6.c b/print-dhcp6.c
index 762d9187eb0b12cd79c8a46226460198c216fd9b..cbb6d84a0588b8204f1c930a089136925e46197f 100644 (file)
--- a/print-dhcp6.c
+++ b/print-dhcp6.c
@@ -518,6 +518,10 @@ dhcp6opt_print(netdissect_options *ndo,
                        ND_PRINT((ndo, "...)"));
                        break;
                case DH6OPT_RECONF_MSG:
+                       if (optlen != 1) {
+                               ND_PRINT((ndo, " ?)"));
+                               break;
+                       }
                        tp = (const u_char *)(dh6o + 1);
                        switch (*tp) {
                        case DH6_RENEW: