From 504c7612c398353b0832d75ac67ab5e59d50b102 Mon Sep 17 00:00:00 2001
From: Martin Turon <mturon@google.com>
Date: Fri, 17 Jun 2022 08:42:20 -0700
Subject: [PATCH] [tlv] Disable 64-bit lengths. NCC-E003350-GH4 (#19539)

---
 src/lib/core/CHIPTLVReader.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/lib/core/CHIPTLVReader.cpp b/src/lib/core/CHIPTLVReader.cpp
index 1fb5558b522472..9a95a42779e9dc 100644
--- a/src/lib/core/CHIPTLVReader.cpp
+++ b/src/lib/core/CHIPTLVReader.cpp
@@ -731,6 +731,7 @@ CHIP_ERROR TLVReader::ReadElement()
         break;
     case kTLVFieldSize_8Byte:
         mElemLenOrVal = LittleEndian::Read64(p);
+        VerifyOrReturnError(!TLVTypeHasLength(elemType) || (mElemLenOrVal <= UINT32_MAX), CHIP_ERROR_NOT_IMPLEMENTED);
         break;
     }