From 677be52f7109c248a2ea35393871fd6c2f67560a Mon Sep 17 00:00:00 2001
From: Thomas Haller <thaller@redhat.com>
Date: Sat, 3 Dec 2022 19:52:47 +0100
Subject: [PATCH] core: fix possible unaligned access in
 nm_utils_get_ipv6_interface_identifier()

Fixes: e2270040c0a2 ('core: use Interface Identifiers for IPv6 SLAAC addresses')
(cherry picked from commit 0f4114c27c82ce9bfb2e38ff6f7269f6376cb9f8)
---
 src/core/nm-core-utils.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/core/nm-core-utils.c b/src/core/nm-core-utils.c
index 480e9b28f0..25b2f3b909 100644
--- a/src/core/nm-core-utils.c
+++ b/src/core/nm-core-utils.c
@@ -3272,7 +3272,7 @@ nm_utils_get_ipv6_interface_identifier(NMLinkType          link_type,
     case NM_LINK_TYPE_GRE:
         /* Hardware address is the network-endian IPv4 address */
         g_return_val_if_fail(hwaddr_len == 4, FALSE);
-        addr              = *(guint32 *) hwaddr;
+        addr              = unaligned_read_ne32(hwaddr);
         out_iid->id_u8[0] = get_gre_eui64_u_bit(addr);
         out_iid->id_u8[1] = 0x00;
         out_iid->id_u8[2] = 0x5E;