fs: fix ReadStream fd leak

Close the file descriptor when a read operation fails.

Fixes #4387.

1 files changed, 5 insertions, 2 deletions

diff --git a/lib/fs.js b/lib/fs.js
index 62cbcf01ba..d9a0a110ea 100644
--- a/lib/fs.js
+++ b/lib/fs.js
@@ -1318,8 +1318,11 @@ ReadStream.prototype._read = function() {
   function afterRead(err, bytesRead) {
     self.reading = false;
     if (err) {
-      self.emit('error', err);
-      self.readable = false;
+      fs.close(self.fd, function() {
+        self.fd = null;
+        self.emit('error', err);
+        self.readable = false;
+      });
       return;
     }