Re: [PATCH][-next] mqueue: fix incorrect memset size for object v

[Al Viro]

On Tue, Jul 04, 2017 at 05:09:19PM +0100, Colin King wrote:
> From: Colin Ian King <colin.king@xxxxxxxxxxxxx>
> 
> The size of the memset is incorrect, it is currently using the size
> of attr (a struct mq_attr *) and not of v (a struct compat_mq_attr)

Folded (and that was a moderate infoleak - ->__reserved[] thing had
been copied out uninitialized).