Hi Kees,
On Fri, Jun 07, 2013 at 04:50:54PM -0700, Kees Cook wrote:
> Calling kthread_run with a single name parameter causes it to be handled
> as a format string. Many callers are passing potentially dynamic string
> content, so use "%s" in those cases to avoid any potential accidents.
>
> Signed-off-by: Kees Cook <keesc...@chromium.org>
> ---
> drivers/block/aoe/aoecmd.c | 2 +-
> drivers/block/mtip32xx/mtip32xx.c | 3 ++-
[...]
> diff --git a/drivers/block/mtip32xx/mtip32xx.c
> b/drivers/block/mtip32xx/mtip32xx.c
> index 847107e..81ce4c0 100644
> --- a/drivers/block/mtip32xx/mtip32xx.c
> +++ b/drivers/block/mtip32xx/mtip32xx.c
> @@ -4085,7 +4085,8 @@ skip_create_disk:
> start_service_thread:
> sprintf(thd_name, "mtip_svc_thd_%02d", index);
We can also save some bytes here, remove the sprintf() and thd_name[]
> dd->mtip_svc_handler = kthread_create_on_node(mtip_service_thread,
> - dd, dd->numa_node, thd_name);
> + dd, dd->numa_node, "%s",
> + thd_name);
>
> if (IS_ERR(dd->mtip_svc_handler)) {
> dev_err(&dd->pdev->dev, "service thread failed to start\n");
Thanks!
--
Djalal Harouni
http://opendz.org
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