RE: [BUG] drm: vc4: refcount_t: increment on 0; use-after-free.

2017-11-28 Thread Reshetova, Elena
Hi and sorry for the delayed reply! > Hi Kees, > > On Sat, 25 Nov 2017 12:57:04 -0800 > Kees Cook wrote: > > > On Wed, Nov 22, 2017 at 11:57 PM, Daniel Vetter wrote: > > > On Wed, Nov 22, 2017 at 07:21:00PM +0100, Boris Brezillon wrote: > > >> On Wed,

Re: [BUG] drm: vc4: refcount_t: increment on 0; use-after-free.

2017-11-27 Thread Kees Cook
On Wed, Nov 22, 2017 at 11:57 PM, Daniel Vetter wrote: > On Wed, Nov 22, 2017 at 07:21:00PM +0100, Boris Brezillon wrote: >> On Wed, 22 Nov 2017 19:13:09 +0100 >> Daniel Vetter wrote: >> >> > On Wed, Nov 22, 2017 at 6:51 PM, Boris Brezillon >> >

Re: [BUG] drm: vc4: refcount_t: increment on 0; use-after-free.

2017-11-26 Thread Eric Anholt
Boris Brezillon writes: > Hi Kees, > > On Sat, 25 Nov 2017 12:57:04 -0800 > Kees Cook wrote: > >> On Wed, Nov 22, 2017 at 11:57 PM, Daniel Vetter wrote: >> > On Wed, Nov 22, 2017 at 07:21:00PM +0100, Boris Brezillon

Re: [BUG] drm: vc4: refcount_t: increment on 0; use-after-free.

2017-11-26 Thread Boris Brezillon
Hi Kees, On Sat, 25 Nov 2017 12:57:04 -0800 Kees Cook wrote: > On Wed, Nov 22, 2017 at 11:57 PM, Daniel Vetter wrote: > > On Wed, Nov 22, 2017 at 07:21:00PM +0100, Boris Brezillon wrote: > >> On Wed, 22 Nov 2017 19:13:09 +0100 > >> Daniel Vetter

Re: [BUG] drm: vc4: refcount_t: increment on 0; use-after-free.

2017-11-23 Thread Stefan Wahren
Hi Boris, > Boris Brezillon hat am 22. November 2017 > um 18:51 geschrieben: > > > Hi Stefan, > > On Wed, 22 Nov 2017 17:43:35 +0100 (CET) > Stefan Wahren wrote: > ... > > Looks like I didn't test this code with

Re: [BUG] drm: vc4: refcount_t: increment on 0; use-after-free.

2017-11-22 Thread Daniel Vetter
On Wed, Nov 22, 2017 at 07:21:00PM +0100, Boris Brezillon wrote: > On Wed, 22 Nov 2017 19:13:09 +0100 > Daniel Vetter wrote: > > > On Wed, Nov 22, 2017 at 6:51 PM, Boris Brezillon > > wrote: > > > Hi Stefan, > > > > > > On Wed, 22 Nov 2017

Re: [BUG] drm: vc4: refcount_t: increment on 0; use-after-free.

2017-11-22 Thread Boris Brezillon
On Wed, 22 Nov 2017 19:13:09 +0100 Daniel Vetter wrote: > On Wed, Nov 22, 2017 at 6:51 PM, Boris Brezillon > wrote: > > Hi Stefan, > > > > On Wed, 22 Nov 2017 17:43:35 +0100 (CET) > > Stefan Wahren wrote: > > > >>

Re: [BUG] drm: vc4: refcount_t: increment on 0; use-after-free.

2017-11-22 Thread Daniel Vetter
On Wed, Nov 22, 2017 at 6:51 PM, Boris Brezillon wrote: > Hi Stefan, > > On Wed, 22 Nov 2017 17:43:35 +0100 (CET) > Stefan Wahren wrote: > >> Hi Boris, >> if i boot Raspberry Pi 3 (ARM64, defconfig, linux-next-20171122) with >>

Re: [BUG] drm: vc4: refcount_t: increment on 0; use-after-free.

2017-11-22 Thread Boris Brezillon
Hi Stefan, On Wed, 22 Nov 2017 17:43:35 +0100 (CET) Stefan Wahren wrote: > Hi Boris, > if i boot Raspberry Pi 3 (ARM64, defconfig, linux-next-20171122) with > sufficient CMA memory (32 MB), i'll get this warning during boot: > > [7.623510] vc4-drm soc:gpu: bound