On 2023-07-17 11:45, Wang Ming wrote:
> key might contain private part of the key, so better use
> kfree_sensitive to free it.
>
> Signed-off-by: Wang Ming <[email protected]>
> ---
> arch/s390/crypto/paes_s390.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/s390/crypto/paes_s390.c
> b/arch/s390/crypto/paes_s390.c
> index d29a9d908797..38349150c96e 100644
> --- a/arch/s390/crypto/paes_s390.c
> +++ b/arch/s390/crypto/paes_s390.c
> @@ -103,7 +103,7 @@ static inline void _free_kb_keybuf(struct key_blob
> *kb)
> {
> if (kb->key && kb->key != kb->keybuf
> && kb->keylen > sizeof(kb->keybuf)) {
> - kfree(kb->key);
> + kfree_sensitive(kb->key);
> kb->key = NULL;
> }
> }
Reviewed-by: Harald Freudenberger <[email protected]>