compat: backport kfree_sensitive and switch to it

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/src/noise.c b/src/noise.c
index 5fbe063..5cc0806 100644
--- a/src/noise.c
+++ b/src/noise.c
@@ -114,7 +114,7 @@ static struct noise_keypair *keypair_create(struct wg_peer *peer)
 
 static void keypair_free_rcu(struct rcu_head *rcu)
 {
-	kzfree(container_of(rcu, struct noise_keypair, rcu));
+	kfree_sensitive(container_of(rcu, struct noise_keypair, rcu));
 }
 
 static void keypair_free_kref(struct kref *kref)
@@ -823,7 +823,7 @@ bool wg_noise_handshake_begin_session(struct noise_handshake *handshake,
 			handshake->entry.peer->device->index_hashtable,
 			&handshake->entry, &new_keypair->entry);
 	} else {
-		kzfree(new_keypair);
+		kfree_sensitive(new_keypair);
 	}
 	rcu_read_unlock_bh();