decode-ipv6: Set L4 proto on ipv6 incase of GRE decode error

Set the L4 proto before decoding GRE in ipv6 decoding in case there is a GRE header decoding error. Bug: #6222 (cherry picked from commit 1b08c561f6)
3 years ago · 970d81ba91
parent 79c9d3e1ca
commit 970d81ba91
1 changed files with 1 additions and 0 deletions
--- a/src/decode-ipv6.c
+++ b/src/decode-ipv6.c
@ -636,6 +636,7 @@ int DecodeIPV6(ThreadVars *tv, DecodeThreadVars *dtv, Packet *p, const uint8_t *
            DecodeIP6inIP6(tv, dtv, p, pkt + IPV6_HEADER_LEN, IPV6_GET_PLEN(p));
            return TM_ECODE_OK;
        case IPPROTO_GRE:
+            IPV6_SET_L4PROTO(p, IPPROTO_GRE);
            DecodeGRE(tv, dtv, p, pkt + IPV6_HEADER_LEN, IPV6_GET_PLEN(p));
            break;
        case IPPROTO_FRAGMENT: