From: Jason A. Donenfeld <Jason@zx2c4.com>
Date: Tue, 17 Sep 2019 01:38:33 +0000 (-0600)
Subject: wintun: use correct length for security attributes
X-Git-Tag: 0.0.20191012~6
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=70f6c42556afad75fa5c9734fe02cd8d2679ed0b;p=thirdparty%2Fwireguard-go.git

wintun: use correct length for security attributes
---

diff --git a/tun/wintun/namespace_windows.go b/tun/wintun/namespace_windows.go
index 01fff91..de781a5 100644
--- a/tun/wintun/namespace_windows.go
+++ b/tun/wintun/namespace_windows.go
@@ -37,7 +37,7 @@ func initializeNamespace() error {
 		return fmt.Errorf("SddlToSecurityDescriptor failed: %v", err)
 	}
 	wintunObjectSecurityAttributes = &windows.SecurityAttributes{
-		Length:             uint32(len(sd)),
+		Length:             uint32(unsafe.Sizeof(windows.SecurityAttributes{})),
 		SecurityDescriptor: uintptr(unsafe.Pointer(&sd[0])),
 	}
 	sid, err := windows.CreateWellKnownSid(windows.WinLocalSystemSid)