diff options
| author | Anders Broman <anders.broman@ericsson.com> | 2010-06-22 13:29:33 +0000 |
|---|---|---|
| committer | Anders Broman <anders.broman@ericsson.com> | 2010-06-22 13:29:33 +0000 |
| commit | 017e4d0dc06dc5725518070c9110b53d4e98f063 (patch) | |
| tree | 0c0b9ccc523cdef0d387f0e052810efb53037d7b /epan/dissectors/packet-gmhdr.c | |
| parent | c7ed9aa2b82d9a36ebb0fbf472d8ff3c8397d4e2 (diff) | |
If the trailer is less than 4 bytes it's not a Gigamon hdr.
svn path=/trunk/; revision=33287
Diffstat (limited to 'epan/dissectors/packet-gmhdr.c')
| -rw-r--r-- | epan/dissectors/packet-gmhdr.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/epan/dissectors/packet-gmhdr.c b/epan/dissectors/packet-gmhdr.c index 04fa14ddc9..18417878f5 100644 --- a/epan/dissectors/packet-gmhdr.c +++ b/epan/dissectors/packet-gmhdr.c @@ -199,6 +199,11 @@ dissect_gmtrailer(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree) guint offset; guint16 cksum, comp_cksum; + offset = tvb_reported_length(tvb); + if (offset<4){ + return 0; + } + /* See if this packet has a Gigamon trailer, if yes, then decode it */ if (tvb_get_ntohs(tvb, -4) != ETHERTYPE_GIGAMON) { return 0; |