ICMPv6: Add a comment about "don't use GET_IP6ADDR_STRING()"

[skip ci]

(cherry picked from commit b34f18bdffd263ae544e370c048238a90179e877)

diff --git a/print-icmp6.c b/print-icmp6.c
index 0ba65690147a303025a084600462cbce79b79240..f380be20ccedf90799dbc583fa402f33e421582d 100644 (file)
--- a/print-icmp6.c
+++ b/print-icmp6.c
@@ -1520,7 +1520,7 @@ icmp6_opt_print(netdissect_options *ndo, const u_char *bp, int resid)
                        default:
                                goto trunc;
                        }
-                       ND_PRINT(" %s/%u", ip6addr_string(ndo, (const u_char *)&in6),
+                       ND_PRINT(" %s/%u", ip6addr_string(ndo, (const u_char *)&in6), /* local buffer, not packet data; don't use GET_IP6ADDR_STRING() */
                                   GET_U_1(opri->nd_opt_rti_prefixlen));
                        ND_PRINT(", pref=%s",
                                 get_rtpref(GET_U_1(opri->nd_opt_rti_flags)));