From 856e190dd707c02002dcdf6434424ef8af375ada Mon Sep 17 00:00:00 2001
From: Nadia Pinaeva <n.m.pinaeva@gmail.com>
Date: Thu, 25 Apr 2024 09:28:44 +0200
Subject: [PATCH] nl_linux: align message length before parsing.

Signed-off-by: Nadia Pinaeva <n.m.pinaeva@gmail.com>
---
 nl/nl_linux.go | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/nl/nl_linux.go b/nl/nl_linux.go
index a0bfe83d..959a72c3 100644
--- a/nl/nl_linux.go
+++ b/nl/nl_linux.go
@@ -804,8 +804,9 @@ func (s *NetlinkSocket) Receive() ([]syscall.NetlinkMessage, *unix.SockaddrNetli
 	if nr < unix.NLMSG_HDRLEN {
 		return nil, nil, fmt.Errorf("Got short response from netlink")
 	}
-	rb2 := make([]byte, nr)
-	copy(rb2, rb[:nr])
+	msgLen := nlmAlignOf(nr)
+	rb2 := make([]byte, msgLen)
+	copy(rb2, rb[:msgLen])
 	nl, err := syscall.ParseNetlinkMessage(rb2)
 	if err != nil {
 		return nil, nil, err