From 08e54827f6706016347e1e4f4866b84126842b20 Mon Sep 17 00:00:00 2001
From: Florian Zenker <floriank@google.com>
Date: Tue, 25 Nov 2025 15:13:51 +0000
Subject: [PATCH] unix: fix out of bounds memory access in tests

sockaddrIUCVToAny used the wrong size to for copying to RawSockaddrAny.
We found this by running the test with ASAN.

Change-Id: I2a2ec28f9bd55aeba4ddcb4243ad61ec010087df
Reviewed-on: https://go-review.googlesource.com/c/sys/+/724280
Reviewed-by: Michael Stapelberg <stapelberg@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
---
 unix/syscall_internal_linux_test.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/unix/syscall_internal_linux_test.go b/unix/syscall_internal_linux_test.go
index e8b74917..8798d1bf 100644
--- a/unix/syscall_internal_linux_test.go
+++ b/unix/syscall_internal_linux_test.go
@@ -909,7 +909,7 @@ func sockaddrIUCVToAny(in RawSockaddrIUCV) *RawSockaddrAny {
 	var out RawSockaddrAny
 	copy(
 		(*(*[SizeofSockaddrAny]byte)(unsafe.Pointer(&out)))[:],
-		(*(*[SizeofSockaddrUnix]byte)(unsafe.Pointer(&in)))[:],
+		(*(*[SizeofSockaddrIUCV]byte)(unsafe.Pointer(&in)))[:],
 	)
 	return &out
 }