[dm-devel] [PATCH] dm ioctl: prevent stack leak in dm ioctl call

[Alasdair G Kergon]

On Tue, Apr 25, 2017 at 05:33:19PM -0700, Adrian Salido wrote:
> Will update the patch to be clear
 
So at the moment, we're leaning towards just:

  param->data_size = offsetof(struct dm_ioctl, data)

to replace

  param->data_size = sizeof(*param);

in the caller.

Alasdair