Jump address should fit in 16 bits range; fix #3426

2026-06-08 16:11:16 +00:00 · 2017-02-04 12:37:08 +09:00
parent a746ebe96f
commit 6e0ba0085d
1 changed files with 3 additions and 0 deletions
@@ -388,6 +388,9 @@ dispatch(codegen_scope *s, int pc)
    scope_error(s);
    break;
  }
+  if (diff > MAXARG_sBx) {
+    codegen_error(s, "too distant jump address");
+  }
  s->iseq[pc] = MKOP_AsBx(c, GETARG_A(i), diff);
 }