fs: use IsSafeJsInt instead of IsNumber for ftruncate

PR-URL: #26572
Reviewed-By: Anna Henningsen <[email protected]>
Reviewed-By: Ruben Bridgewater <[email protected]>
Reviewed-By: Ujjwal Sharma <[email protected]>
Reviewed-By: James M Snell <[email protected]>
Reviewed-By: Rich Trott <[email protected]>

Author: zbjornson

src/node_file.cc

@@ -1130,7 +1130,7 @@ static void FTruncate(const FunctionCallbackInfo<Value>& args) {
   CHECK(args[0]->IsInt32());
   const int fd = args[0].As<Int32>()->Value();
 
-  CHECK(args[1]->IsNumber());
+  CHECK(IsSafeJsInt(args[1]));
   const int64_t len = args[1].As<Integer>()->Value();
 
   FSReqBase* req_wrap_async = GetReqWrap(env, args[2]);