It seems a more logical order than "payload+header".
It is not in current release 4.99.4, will be in 4.99.5.
Update some test outputs accordingly.
if (payload_len != 0) {
len = payload_len + sizeof(struct ip6_hdr);
if (len > length) {
- ND_PRINT("[payload+header length %u > length %u]",
+ ND_PRINT("[header+payload length %u > length %u]",
len, length);
nd_print_invalid(ndo);
ND_PRINT(" ");
if (len < total_advance)
goto trunc;
if (len > length) {
- ND_PRINT("[payload+header length %u > length %u]",
+ ND_PRINT("[header+payload length %u > length %u]",
len, length);
nd_print_invalid(ndo);
ND_PRINT(" ");
- 1 13:55:31.300000 IP6 [payload+header length 26510 > length 185] (invalid) (class 0x76, flowlabel 0x76767, hlim 103, next-header Mobility (135) payload length: 26470) 6767:6767:6767:6767:6767:6767:6767:6767 > 6767:6767:6767:6767:6767:6767:6767:6705: mobility: BU seq#=26471 HL lifetime=105884(type-0x67: len=103) [|mobility]
- 2 15:21:11.300000 IP6 [payload+header length 26510 > length 185] (invalid) (class 0x76, flowlabel 0x76767, hlim 103, next-header Mobility (135) payload length: 26470) 6767:6767:6767:6767:6767:6767:6767:6767 > 6767:6767:4f67:6767:6767:6767:6767:6767: (header length 8 is too small for type 6) [|mobility]
+ 1 13:55:31.300000 IP6 [header+payload length 26510 > length 185] (invalid) (class 0x76, flowlabel 0x76767, hlim 103, next-header Mobility (135) payload length: 26470) 6767:6767:6767:6767:6767:6767:6767:6767 > 6767:6767:6767:6767:6767:6767:6767:6705: mobility: BU seq#=26471 HL lifetime=105884(type-0x67: len=103) [|mobility]
+ 2 15:21:11.300000 IP6 [header+payload length 26510 > length 185] (invalid) (class 0x76, flowlabel 0x76767, hlim 103, next-header Mobility (135) payload length: 26470) 6767:6767:6767:6767:6767:6767:6767:6767 > 6767:6767:4f67:6767:6767:6767:6767:6767: (header length 8 is too small for type 6) [|mobility]
- 1 12:40:23.226395 IP6 (class 0xc0, hlim 0, next-header Options (0) payload length: 0) 1:6:1a28:312:d7cb:b318:34e5:d3ea > 2b7f:cd1f:ec3c:fb9c:e731:d16b:a8fe:ba8c: HBH (opt_type 0x1a: len=0)(padn)(opt_type 0x16: len=0)(opt_type 0x64: len=114)(jumbo: 3858694210) (opt_type 0x42: len=3)(opt_type 0xfe: len=6)(pad1)(jumbo: 248 - already seen) (opt_type 0x0e: len=8)(opt_type 0x07: len=4)(opt_type 0xf1: len=60) [payload+header length 3858694250 > length 476] (invalid) ip-proto-12 3858693802
+ 1 12:40:23.226395 IP6 (class 0xc0, hlim 0, next-header Options (0) payload length: 0) 1:6:1a28:312:d7cb:b318:34e5:d3ea > 2b7f:cd1f:ec3c:fb9c:e731:d16b:a8fe:ba8c: HBH (opt_type 0x1a: len=0)(padn)(opt_type 0x16: len=0)(opt_type 0x64: len=114)(jumbo: 3858694210) (opt_type 0x42: len=3)(opt_type 0xfe: len=6)(pad1)(jumbo: 248 - already seen) (opt_type 0x0e: len=8)(opt_type 0x07: len=4)(opt_type 0xf1: len=60) [header+payload length 3858694250 > length 476] (invalid) ip-proto-12 3858693802
- 1 08:59:14.753767 IP6 [payload+header length 105 > length 104] (invalid) (flowlabel 0x67576, hlim 64, next-header UDP (17) payload length: 65) 2605:bc80:3010:104::8cd3:9ce.45678 > 2600:3c00:e000:19::1.53: [udp sum ok] 34053+ [1au] A? www.tcpdump.org. (56)
+ 1 08:59:14.753767 IP6 [header+payload length 105 > length 104] (invalid) (flowlabel 0x67576, hlim 64, next-header UDP (17) payload length: 65) 2605:bc80:3010:104::8cd3:9ce.45678 > 2600:3c00:e000:19::1.53: [udp sum ok] 34053+ [1au] A? www.tcpdump.org. (56)
- 1 09:09:55.627421 IP6 (hlim 227, next-header Options (0) payload length: 0) 2200::244:212:3fff:feae:22f7 > 2200::240:2:0:0:4: HBH (jumbo: 65537) [payload+header length 65577 > length 65576] (invalid) ICMP6, echo request, id 4576, seq 51486
+ 1 09:09:55.627421 IP6 (hlim 227, next-header Options (0) payload length: 0) 2200::244:212:3fff:feae:22f7 > 2200::240:2:0:0:4: HBH (jumbo: 65537) [header+payload length 65577 > length 65576] (invalid) ICMP6, echo request, id 4576, seq 51486
- 1 14:32:46.453540455 IP6 ::8:46:ee:102:202:202 > 202:200:0:fe7e:b65f:677a:82b:601: HBH [payload+header length 201311194 > length 58451] (invalid) 0 > 443: quic, initial, vb2a10200, dcid 00000100, length 1 [|quic]
+ 1 14:32:46.453540455 IP6 ::8:46:ee:102:202:202 > 202:200:0:fe7e:b65f:677a:82b:601: HBH [header+payload length 201311194 > length 58451] (invalid) 0 > 443: quic, initial, vb2a10200, dcid 00000100, length 1 [|quic]