From 6d0dd7d86390458e02830684dd45830b5869a7aa Mon Sep 17 00:00:00 2001
From: Jean Boussier <jean.boussier@gmail.com>
Date: Wed, 23 Apr 2025 07:04:09 +0200
Subject: rb_gc_impl_define_finalizer: unlock on early return

---
 gc/mmtk/mmtk.c | 1 +
 1 file changed, 1 insertion(+)

(limited to 'gc/mmtk')

diff --git a/gc/mmtk/mmtk.c b/gc/mmtk/mmtk.c
index 70df47563d..d74bce79e8 100644
--- a/gc/mmtk/mmtk.c
+++ b/gc/mmtk/mmtk.c
@@ -986,6 +986,7 @@ rb_gc_impl_define_finalizer(void *objspace_ptr, VALUE obj, VALUE block)
             for (i = 0; i < len; i++) {
                 VALUE recv = RARRAY_AREF(table, i);
                 if (rb_equal(recv, block)) {
+                    rb_gc_vm_unlock(lev);
                     return recv;
                 }
             }
-- 
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