From 548646fb06489cc05559cfa47bd6455ac9b5ae87 Mon Sep 17 00:00:00 2001
From: yuhan6665 <1588741+yuhan6665@users.noreply.github.com>
Date: Thu, 4 Apr 2024 02:50:15 -0400
Subject: [PATCH] Fix an edge case with tls hello fragment

---
 proxy/freedom/freedom.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/proxy/freedom/freedom.go b/proxy/freedom/freedom.go
index 55853646..0176929c 100644
--- a/proxy/freedom/freedom.go
+++ b/proxy/freedom/freedom.go
@@ -373,6 +373,9 @@ func (f *FragmentWriter) Write(b []byte) (int, error) {
 			return f.writer.Write(b)
 		}
 		recordLen := 5 + ((int(b[3]) << 8) | int(b[4]))
+		if len(b) < recordLen { // maybe already fragmented somehow
+			return f.writer.Write(b)
+		}
 		data := b[5:recordLen]
 		buf := make([]byte, 1024)
 		for from := 0; ; {