From 2b43f5f650288ecb39497f7dad2f15888e83b120 Mon Sep 17 00:00:00 2001
From: Kevin Albertson <kevin.eric.albertson@gmail.com>
Date: Tue, 8 Nov 2022 20:17:17 -0500
Subject: [PATCH] mongo: fix document depth tracking

Fixes a "BSON document recursion exceeds" error on lists of > 100
documents.
---
 epan/dissectors/packet-mongo.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/epan/dissectors/packet-mongo.c b/epan/dissectors/packet-mongo.c
index b37c1a1a62..91d2730f3a 100644
--- a/epan/dissectors/packet-mongo.c
+++ b/epan/dissectors/packet-mongo.c
@@ -469,6 +469,10 @@ dissect_bson_document(tvbuff_t *tvb, packet_info *pinfo, guint offset, proto_tre
     }  /* end switch() */
   } while (offset < final_offset-1);
 
+  // Restore depth.
+  nest_level--;
+  p_set_proto_depth(pinfo, proto_mongo, nest_level);
+
   return document_length;
 }