On 24.09.2015 13:37, marcandre.lur...@redhat.com wrote:
> From: Marc-André Lureau <marcandre.lur...@redhat.com>
>
> Check the number of vectors received from the server, to avoid
> out of bound array access.
>
> Signed-off-by: Marc-André Lureau <marcandre.lur...@redhat.com>
> ---
> contrib/ivshmem-client/ivshmem-client.c | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/contrib/ivshmem-client/ivshmem-client.c
> b/contrib/ivshmem-client/ivshmem-client.c
> index 11c805c..01e24a7 100644
> --- a/contrib/ivshmem-client/ivshmem-client.c
> +++ b/contrib/ivshmem-client/ivshmem-client.c
> @@ -128,6 +128,10 @@ ivshmem_client_handle_server_msg(IvshmemClient *client)
> /* new vector */
> IVSHMEM_CLIENT_DEBUG(client, " new vector %d (fd=%d) for peer id %ld\n",
> peer->vectors_count, fd, peer->id);
> + if (peer->vectors_count >= G_N_ELEMENTS(peer->vectors)) {
> + return -1;
> + }
Anything we want to print with IVSHMEM_CLIENT_DEBUG ?
The caller will only spew a "ivshmem_client_handle_server_msg() failed\n" in
this case.
> +
> peer->vectors[peer->vectors_count] = fd;
> peer->vectors_count++;
>
>
