crypto: authencesn - don't leak pointers to authenc keys

In crypto_authenc_esn_setkey we save pointers to the authenc keys
in a local variable of type struct crypto_authenc_keys and we don't
zeroize it after use. Fix this and don't leak pointers to the
authenc keys.

Signed-off-by: Tudor Ambarus <[email protected]>
Signed-off-by: Herbert Xu <[email protected]>

diff --git a/crypto/authencesn.c b/crypto/authencesn.c
index 15f91ddd7f0e4e55cfba21b3da4505532e85cac3..50b804747e20a3a9a68e158bab1e900949b75b27 100644 (file)
--- a/crypto/authencesn.c
+++ b/crypto/authencesn.c
@@ -90,6 +90,7 @@ static int crypto_authenc_esn_setkey(struct crypto_aead *authenc_esn, const u8 *
                                           CRYPTO_TFM_RES_MASK);
 
 out:
+       memzero_explicit(&keys, sizeof(keys));
        return err;
 
 badkey: