From 083c5f08ec4e95c9b75810d46f933928327a5ab3 Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@ruby-lang.org>
Date: Thu, 10 Dec 2020 22:00:11 +0900
Subject: Check stack overflow in recursive glob_helper [Bug #17162]

---
 dir.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'dir.c')

diff --git a/dir.c b/dir.c
index 48c9eaefa0..fc2c811509 100644
--- a/dir.c
+++ b/dir.c
@@ -2274,6 +2274,8 @@ glob_helper(
     int escape = !(flags & FNM_NOESCAPE);
     size_t pathlen = baselen + namelen;
 
+    rb_check_stack_overflow();
+
     for (cur = beg; cur < end; ++cur) {
 	struct glob_pattern *p = *cur;
 	if (p->type == RECURSIVE) {
-- 
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