Re: [PATCH 1/1] digsig: Fix memory leakage in digsig_verify_rsa()

[Kasatkin, Dmitry]

On Fri, Jan 25, 2013 at 4:54 PM, Dmitry Kasatkin
<dmitry.kasatkin@xxxxxxxxx> wrote:
> From: YOSHIFUJI Hideaki <yoshfuji@xxxxxxxxxxxxxx>
>
> digsig_verify_rsa() does not free kmalloc'ed buffer returned by
> mpi_get_buffer().
>
> Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@xxxxxxxxxxxxxx>
> Signed-off-by: Dmitry Kasatkin <dmitry.kasatkin@xxxxxxxxx>
> Cc: stable@xxxxxxxxxxxxxxx
> ---
>  lib/digsig.c |    2 ++
>  1 file changed, 2 insertions(+)
>
> diff --git a/lib/digsig.c b/lib/digsig.c
> index 8c0e629..dc2be7e 100644
> --- a/lib/digsig.c
> +++ b/lib/digsig.c
> @@ -162,6 +162,8 @@ static int digsig_verify_rsa(struct key *key,
>         memset(out1, 0, head);
>         memcpy(out1 + head, p, l);
>
> +       kfree(p);
> +
>         err = pkcs_1_v1_5_decode_emsa(out1, len, mblen, out2, &len);
>         if (err)
>                 goto err;
> --
> 1.7.10.4
>

James, can you please apply this patch.

- Dmitry
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