diff options
Diffstat (limited to 'epan/dissectors/packet-mongo.c')
| -rw-r--r-- | epan/dissectors/packet-mongo.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/epan/dissectors/packet-mongo.c b/epan/dissectors/packet-mongo.c index db23a06..346b132 100644 --- a/epan/dissectors/packet-mongo.c +++ b/epan/dissectors/packet-mongo.c @@ -831,7 +831,10 @@ dissect_op_msg_section(tvbuff_t *tvb, packet_info *pinfo, guint offset, proto_tr switch (e_type) { case KIND_BODY: - dissect_bson_document(tvb, pinfo, offset, section_tree, hf_mongo_msg_sections_section_body); + section_len = dissect_bson_document(tvb, pinfo, offset, section_tree, hf_mongo_msg_sections_section_body); + /* If section_len is bogus (e.g., negative), dissect_bson_document sets + * an expert info and can return a different value than read above. + */ break; case KIND_DOCUMENT_SEQUENCE: { gint32 dsi_length; @@ -840,6 +843,9 @@ dissect_op_msg_section(tvbuff_t *tvb, packet_info *pinfo, guint offset, proto_tr proto_tree *documents_tree; proto_tree_add_item(section_tree, hf_mongo_msg_sections_section_size, tvb, offset, 4, ENC_LITTLE_ENDIAN); + /* This is redundant with the lengths in the documents, we don't use this + * size at all. We could still report an expert info if it's bogus. + */ offset += 4; to_read -= 4; |