fix: possible data location errors in vision read

2025-12-20 00:50:06 +08:00 · 2025-09-10 10:14:21 +08:00 · 2025-09-10 10:14:21 +08:00 · 7061c5a8ea
commit 7061c5a8ea
parent 23448ec119
1 changed files with 4 additions and 0 deletions
--- a/transport/vless/vision/conn.go
+++ b/transport/vless/vision/conn.go
@ -7,6 +7,7 @@ import (
 	"fmt"
 	"io"
 	"net"
+	"unsafe"

 	"github.com/metacubex/mihomo/common/buf"
 	N "github.com/metacubex/mihomo/common/net"
@ -51,6 +52,9 @@ func (vc *Conn) Read(b []byte) (int, error) {
 	if vc.readProcess {
 		buffer := buf.With(b)
 		err := vc.ReadBuffer(buffer)
+		if unsafe.SliceData(buffer.Bytes()) != unsafe.SliceData(b) { // buffer.Bytes() not at the beginning of b
+			copy(b, buffer.Bytes())
+		}
 		return buffer.Len(), err
 	}
 	return vc.ExtendedReader.Read(b)