https://git.ruby-lang.org/ruby.git/commit/?id=4079f0da51

From 4079f0da51c1e226ce6e09597e32ab116d1c7812 Mon Sep 17 00:00:00 2001
From: Aaron Patterson <tenderlove@r...>
Date: Mon, 22 Nov 2021 12:32:47 -0800
Subject: Check that cb / ocb exist before marking executable

If YJIT isn't enabled, or hasn't finished booting, cb / ocb could be
null.  This commit just checks to make sure they're available before
marking as executable

Co-Authored-By: Maxime Chevalier-Boisvert <maxime.chevalierboisvert@s...>
Co-Authored-By: Kevin Newton <kddnewton@g...>
---
 yjit_iface.c | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/yjit_iface.c b/yjit_iface.c
index 39967a89a95..739d639ae66 100644
--- a/yjit_iface.c
+++ b/yjit_iface.c
@@ -962,8 +962,15 @@ rb_yjit_iseq_update_references(const struct rb_iseq_constant_body *body) https://github.com/ruby/ruby/blob/trunk/yjit_iface.c#L962
             //block->code_page = rb_gc_location(block->code_page);
         }
     }
-    cb_mark_all_executable(cb);
-    cb_mark_all_executable(ocb);
+
+    /* If YJIT isn't initialized, then cb or ocb could be NULL. */
+    if (cb) {
+        cb_mark_all_executable(cb);
+    }
+
+    if (ocb) {
+        cb_mark_all_executable(ocb);
+    }
 }
 
 // Free the yjit resources associated with an iseq
-- 
cgit v1.2.1


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