Fix coredump when reading an empty file(`node:stream:createReadStream`) (#3882)

* Fix coredump when reading an empty file.
Close: #3607

* It seems that the fd is closed when `auto_close` is true.

2 files changed, 30 insertions, 0 deletions

diff --git a/src/bun.js/webcore/streams.zig b/src/bun.js/webcore/streams.zig
index 5dc4ea830..f2c5914ef 100644
--- a/src/bun.js/webcore/streams.zig
+++ b/src/bun.js/webcore/streams.zig
@@ -4433,6 +4433,10 @@ pub const FileReader = struct {
                     var readable_file = File{ .loop = this.globalThis().bunVM().eventLoop() };
 
                     const result = readable_file.start(&blob.data.file);
+                    if (result == .empty) {
+                        this.lazy_readable = .{ .empty = {} };
+                        return result;
+                    }
                     if (result != .ready) {
                         return result;
                     }
diff --git a/test/js/node/stream/node-stream.test.js b/test/js/node/stream/node-stream.test.js
index 51252a5f6..5f5b9d67a 100644
--- a/test/js/node/stream/node-stream.test.js
+++ b/test/js/node/stream/node-stream.test.js
@@ -41,6 +41,32 @@ describe("Readable", () => {
 
     readable.pipe(writable);
   });
+  it("should be able to be piped via .pipe, issue #3607", done => {
+    const path = `${tmpdir()}/${Date.now()}.testReadStreamEmptyFile.txt`;
+    writeFileSync(path, "");
+    const stream = createReadStream(path);
+    stream.on("error", err => {
+      done(err);
+    });
+
+    let called = false;
+    const writable = new Writable({
+      write(chunk, encoding, callback) {
+        called = true;
+        callback();
+      },
+    });
+    writable.on("finish", () => {
+      try {
+        expect(called).toBeFalse();
+      } catch (err) {
+        return done(err);
+      }
+      done();
+    });
+
+    stream.pipe(writable);
+  });
   it("should be able to be piped via .pipe, issue #3668", done => {
     const path = `${tmpdir()}/${Date.now()}.testReadStream.txt`;
     writeFileSync(path, "12345");