Check if m->env is NULL before dereferencing it; fix #3436

2026-06-08 16:11:16 +00:00 · 2017-02-08 19:01:09 +09:00
parent b277c58e78
commit 76135e757f
1 changed files with 3 additions and 1 deletions
@@ -1309,7 +1309,9 @@ RETRY_TRY_BLOCK:
        else {
          stack_extend(mrb, irep->nregs, ci->argc+2);
        }
-        regs[0] = m->env->stack[0];
+        if(m->env) {
+          regs[0] = m->env->stack[0];
+        }
        pc = irep->iseq;
        JUMP;
      }