conn: windows: reset ring to starting position after free

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>

diff --git a/conn/bind_windows.go b/conn/bind_windows.go
index a25c7aa2710ac04ad7dacf4215082cc709a1c7b5..fdd1c242474432ab0dd949f90b461eaeac9ee14d 100644 (file)
--- a/conn/bind_windows.go
+++ b/conn/bind_windows.go
@@ -197,6 +197,9 @@ func (ring *ringBuffer) CloseAndZero() {
                windows.VirtualFree(ring.packets, 0, windows.MEM_RELEASE)
                ring.packets = 0
        }
+       ring.head = 0
+       ring.tail = 0
+       ring.isFull = false
 }
 
 func (bind *afWinRingBind) CloseAndZero() {