From 778a82d434d097117ca3e3e6f77c47ece95f132f Mon Sep 17 00:00:00 2001
From: Abhijeet Jha <74712637+iamAbhi-916@users.noreply.github.com>
Date: Wed, 15 Apr 2026 10:45:04 +0530
Subject: [PATCH] [0.84] Fix multiline TextInput crash from TxDrawD2D
 reentrancy (#15990)

* Fix multiline TextInput crash from TxDrawD2D reentrancy

* Change files
---
 ...ative-windows-fd21e9f2-3f90-4b4a-94f5-fbf8802080dc.json | 7 +++++++
 .../TextInput/WindowsTextInputComponentView.cpp            | 3 +++
 2 files changed, 10 insertions(+)
 create mode 100644 change/react-native-windows-fd21e9f2-3f90-4b4a-94f5-fbf8802080dc.json

diff --git a/change/react-native-windows-fd21e9f2-3f90-4b4a-94f5-fbf8802080dc.json b/change/react-native-windows-fd21e9f2-3f90-4b4a-94f5-fbf8802080dc.json
new file mode 100644
index 00000000000..82689dec243
--- /dev/null
+++ b/change/react-native-windows-fd21e9f2-3f90-4b4a-94f5-fbf8802080dc.json
@@ -0,0 +1,7 @@
+{
+  "type": "prerelease",
+  "comment": "Fix multiline TextInput crash from TxDrawD2D reentrancy",
+  "packageName": "react-native-windows",
+  "email": "74712637+iamAbhi-916@users.noreply.github.com",
+  "dependentChangeType": "patch"
+}
diff --git a/vnext/Microsoft.ReactNative/Fabric/Composition/TextInput/WindowsTextInputComponentView.cpp b/vnext/Microsoft.ReactNative/Fabric/Composition/TextInput/WindowsTextInputComponentView.cpp
index 59cbe03aa61..7a5f30d8a66 100644
--- a/vnext/Microsoft.ReactNative/Fabric/Composition/TextInput/WindowsTextInputComponentView.cpp
+++ b/vnext/Microsoft.ReactNative/Fabric/Composition/TextInput/WindowsTextInputComponentView.cpp
@@ -1780,7 +1780,10 @@ void WindowsTextInputComponentView::DrawText() noexcept {
       }
 
       // TODO keep track of proper invalid rect
+      // Prevent reentrancy: TxDrawD2D may call TxViewChange -> DrawText
+      m_cDrawBlock++;
       auto hrDraw = m_textServices->TxDrawD2D(d2dDeviceContext, &rc, nullptr, TXTVIEW_ACTIVE);
+      m_cDrawBlock--;
       winrt::check_hresult(hrDraw);
 
       // draw placeholder text if needed