From 0c9c2a2863211432f232e3b14ccf62adea6ebe67 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E4=B8=B6=E8=BF=9C=E6=96=B9?= <yangpanteng@gmail.com>
Date: Thu, 9 Nov 2023 13:35:25 +0800
Subject: [PATCH 1/3] fix(runtime-core): fix errorHandler causes an infinite
 loop during execution

---
 packages/runtime-core/src/errorHandling.ts | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/packages/runtime-core/src/errorHandling.ts b/packages/runtime-core/src/errorHandling.ts
index afbd226c4c6..7222871d58a 100644
--- a/packages/runtime-core/src/errorHandling.ts
+++ b/packages/runtime-core/src/errorHandling.ts
@@ -1,3 +1,4 @@
+import { pauseTracking, resetTracking } from '@vue/reactivity'
 import { VNode } from './vnode'
 import { ComponentInternalInstance } from './component'
 import { warn, pushWarningContext, popWarningContext } from './warning'
@@ -127,12 +128,14 @@ export function handleError(
     // app-level handling
     const appErrorHandler = instance.appContext.config.errorHandler
     if (appErrorHandler) {
+      pauseTracking()
       callWithErrorHandling(
         appErrorHandler,
         null,
         ErrorCodes.APP_ERROR_HANDLER,
         [err, exposedInstance, errorInfo]
       )
+      resetTracking()
       return
     }
   }

From 8d2aad8dd33b1291b13813c75ae34f5309c3d595 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E4=B8=B6=E8=BF=9C=E6=96=B9?= <yangpanteng@gmail.com>
Date: Thu, 23 Nov 2023 11:14:24 +0800
Subject: [PATCH 2/3] test(runtime-core): add unit test

---
 .../__tests__/errorHandling.spec.ts           | 26 +++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/packages/runtime-core/__tests__/errorHandling.spec.ts b/packages/runtime-core/__tests__/errorHandling.spec.ts
index ebbfeb1d08e..f8ba1e82ea9 100644
--- a/packages/runtime-core/__tests__/errorHandling.spec.ts
+++ b/packages/runtime-core/__tests__/errorHandling.spec.ts
@@ -583,5 +583,31 @@ describe('error handling', () => {
     expect(handler).toHaveBeenCalledTimes(4)
   })
 
+  // #9574
+  test('should pause tracking in error handler', async () => {
+    const error = new Error('error')
+    const x = ref(Math.random())
+
+    const handler = vi.fn(() => {
+      x.value
+      x.value = Math.random()
+    })
+
+    const app = createApp({
+      setup() {
+        return () => {
+          throw error
+        }
+      }
+    })
+
+    app.config.errorHandler = handler
+    app.mount(nodeOps.createElement('div'))
+
+    await nextTick()
+    expect(handler).toHaveBeenCalledWith(error, {}, 'render function')
+    expect(handler).toHaveBeenCalledTimes(1)
+  })
+
   // native event handler handling should be tested in respective renderers
 })

From fb0e9d9f68f63814bfbea1c10f755833d657a094 Mon Sep 17 00:00:00 2001
From: "autofix-ci[bot]" <114827586+autofix-ci[bot]@users.noreply.github.com>
Date: Thu, 28 Dec 2023 13:58:44 +0000
Subject: [PATCH 3/3] [autofix.ci] apply automated fixes

---
 packages/runtime-core/__tests__/errorHandling.spec.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/runtime-core/__tests__/errorHandling.spec.ts b/packages/runtime-core/__tests__/errorHandling.spec.ts
index 1b076040827..085127677ba 100644
--- a/packages/runtime-core/__tests__/errorHandling.spec.ts
+++ b/packages/runtime-core/__tests__/errorHandling.spec.ts
@@ -598,7 +598,7 @@ describe('error handling', () => {
         return () => {
           throw error
         }
-      }
+      },
     })
 
     app.config.errorHandler = handler