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diff --git a/‎src/node_child_process.cc‎
Lines changed: 6 additions & 0 deletions b/‎src/node_child_process.cc‎
Lines changed: 6 additions & 0 deletions
diff --git a/‎test/simple/test-child-process-customfd-bounded.js‎
Lines changed: 8 additions & 0 deletions b/‎test/simple/test-child-process-customfd-bounded.js‎
Lines changed: 8 additions & 0 deletions
@@ -167,7 +167,13 @@ Handle<Value> ChildProcess::Spawn(const Arguments& args) {
   if (args[4]->IsArray()) {
     // Set the custom file descriptor values (if any) for the child process
     Local<Array> custom_fds_handle = Local<Array>::Cast(args[4]);
+
     int custom_fds_len = custom_fds_handle->Length();
+    // Bound by 3.
+    if (custom_fds_len > 3) {
+      custom_fds_len = 3;
+    }
+
     for (int i = 0; i < custom_fds_len; i++) {
       if (custom_fds_handle->Get(i)->IsUndefined()) continue;
       Local<Integer> fd = custom_fds_handle->Get(i)->ToInteger();
 
@@ -0,0 +1,8 @@
+var common = require('../common');
+var bigish = Array(200);
+
+for (var i = 0, il = bigish.length; i < il; ++i)
+ bigish[i] = -1;
+
+common.spawnPwd({ customFds: bigish });
+