diff --git a/net/ipv4/fib_lookup.h b/net/ipv4/fib_lookup.h
index 78e40ea42e58..82e77516ca8d 100644
--- a/net/ipv4/fib_lookup.h
+++ b/net/ipv4/fib_lookup.h
@@ -27,8 +27,10 @@ struct fib_alias {
 /* Don't write on fa_state unless needed, to keep it shared on all cpus */
 static inline void fib_alias_accessed(struct fib_alias *fa)
 {
-	if (!(fa->fa_state & FA_S_ACCESSED))
-		fa->fa_state |= FA_S_ACCESSED;
+	u8 fa_state = READ_ONCE(fa->fa_state);
+
+	if (!(fa_state & FA_S_ACCESSED))
+		WRITE_ONCE(fa->fa_state, fa_state | FA_S_ACCESSED);
 }
 
 /* Exported by fib_semantics.c */
diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c
index 2cec18cb5c48..3f43851f87e3 100644
--- a/net/ipv4/fib_trie.c
+++ b/net/ipv4/fib_trie.c
@@ -1279,7 +1279,7 @@ int fib_table_insert(struct net *net, struct fib_table *tb,
 			new_fa->fa_tos = fa->fa_tos;
 			new_fa->fa_info = fi;
 			new_fa->fa_type = cfg->fc_type;
-			state = fa->fa_state;
+			state = READ_ONCE(fa->fa_state);
 			new_fa->fa_state = state & ~FA_S_ACCESSED;
 			new_fa->fa_slen = fa->fa_slen;
 			new_fa->tb_id = tb->tb_id;
@@ -1741,7 +1741,7 @@ int fib_table_delete(struct net *net, struct fib_table *tb,
 
 	fib_remove_alias(t, tp, l, fa_to_delete);
 
-	if (fa_to_delete->fa_state & FA_S_ACCESSED)
+	if (READ_ONCE(fa_to_delete->fa_state) & FA_S_ACCESSED)
 		rt_cache_flush(cfg->fc_nlinfo.nl_net);
 
 	fib_release_info(fa_to_delete->fa_info);