1 files changed, 1 insertions, 0 deletions
diff --git a/gc.c b/gc.c
index a9d7352f2f..9471a95354 100644
--- a/gc.c
+++ b/gc.c
@@ -2218,6 +2218,7 @@ rb_objspace_set_event_hook(const rb_event_flag_t event)
 static void
 gc_event_hook_body(rb_execution_context_t *ec, rb_objspace_t *objspace, const rb_event_flag_t event, VALUE data)
 {
+    if (UNLIKELY(!ec->cfp)) return;
     const VALUE *pc = ec->cfp->pc;
     if (pc && VM_FRAME_RUBYFRAME_P(ec->cfp)) {
         /* increment PC because source line is calculated with PC-1 */