Re: rtlwifi: rtl8192c_common: "BUG: KASAN: slab-out-of-bounds"

From: Johannes Berg
Date: Mon Feb 06 2017 - 05:29:51 EST


On Sat, 2017-02-04 at 12:41 -0600, Larry Finger wrote:
> On 02/04/2017 10:58 AM, Dmitry Osipenko wrote:
> > Seems the problem is caused by rtl92c_dm_*() casting .priv to
> > "struct
> > rtl_pci_priv", while it is "struct rtl_usb_priv".
>
> Those routines are shared by rtl8192ce and rtl8192cu, thus we need to
> make thatÂ
> difference in cast to be immaterial. I think we need to move "structÂ
> bt_coexist_info" to the beginning of both rtlpci_priv and
> rtl_usb_priv. Then itÂ
> should not matter.

I think you really should consider putting a struct rtl_common into
that or something, and getting rid of all the casting that causes this
problem to start with?

johannes