From 6dd72ce8e99a867bd6cd77ae1a72bff546dcb649 Mon Sep 17 00:00:00 2001
From: Abtin Keshavarzian <abtink@google.com>
Date: Mon, 24 Aug 2026 15:05:28 -0700
Subject: [PATCH] [meshcop-tlvs] fix `kRevMask` in `VendorStackVersionTlv`
 (#13547)

This commit fixes a bug in `VendorStackVersionTlv` where `kRevMask` was
incorrectly defined using `kBuildOffset` instead of `kRevOffset`,
causing the Revision field bitmask to be shifted incorrectly.
---
 src/core/meshcop/meshcop_tlvs.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/core/meshcop/meshcop_tlvs.hpp b/src/core/meshcop/meshcop_tlvs.hpp
index cebe8775e..62bc8ef5c 100644
--- a/src/core/meshcop/meshcop_tlvs.hpp
+++ b/src/core/meshcop/meshcop_tlvs.hpp
@@ -898,7 +898,7 @@ private:
     static constexpr uint8_t  kBuildOffset = 4;
     static constexpr uint16_t kBuildMask   = 0xfff << kBuildOffset;
     static constexpr uint8_t  kRevOffset   = 0;
-    static constexpr uint16_t kRevMask     = 0xf << kBuildOffset;
+    static constexpr uint16_t kRevMask     = 0xf << kRevOffset;
 
     // For `mMinorMajor`
     static constexpr uint8_t kMinorOffset = 4;