From bd3bbe12945c48944b5e92fa6e3ad7bb11c82963 Mon Sep 17 00:00:00 2001
From: Michael Lumish <mlumish@google.com>
Date: Tue, 11 Mar 2025 13:54:42 -0700
Subject: [PATCH] grpc-js: Fix reentrancy problem in backoff timer callback

---
 packages/grpc-js/src/backoff-timeout.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/grpc-js/src/backoff-timeout.ts b/packages/grpc-js/src/backoff-timeout.ts
index e2fd4a2c..8be560da 100644
--- a/packages/grpc-js/src/backoff-timeout.ts
+++ b/packages/grpc-js/src/backoff-timeout.ts
@@ -132,8 +132,8 @@ export class BackoffTimeout {
     clearTimeout(this.timerId);
     this.timerId = setTimeout(() => {
       this.trace('timer fired');
-      this.callback();
       this.running = false;
+      this.callback();
     }, delay);
     if (!this.hasRef) {
       this.timerId.unref?.();