All of lore.kernel.org
 help / color / mirror / Atom feed
* [PATCH] drm/amdgpu: Off by one in dm_dmub_outbox1_low_irq()
@ 2022-05-16  7:05 ` Dan Carpenter
  0 siblings, 0 replies; 6+ messages in thread
From: Dan Carpenter @ 2022-05-16  7:05 UTC (permalink / raw)
  To: Harry Wentland, Jude Shih
  Cc: Leo Li, Rodrigo Siqueira, Alex Deucher, Christian König,
	Pan, Xinhui, David Airlie, Daniel Vetter, Nicholas Kazlauskas,
	Roman Li, Qingqing Zhuo, Wayne Lin, Simon Ser, amd-gfx,
	kernel-janitors

The > ARRAY_SIZE() should be >= ARRAY_SIZE() to prevent an out of bounds
access.

Fixes: e27c41d5b068 ("drm/amd/display: Support for DMUB HPD interrupt handling")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
---
 drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index 6edfc0963dab..c4f122c6faec 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -770,7 +770,7 @@ static void dm_dmub_outbox1_low_irq(void *interrupt_params)
 
 		do {
 			dc_stat_get_dmub_notification(adev->dm.dc, &notify);
-			if (notify.type > ARRAY_SIZE(dm->dmub_thread_offload)) {
+			if (notify.type >= ARRAY_SIZE(dm->dmub_thread_offload)) {
 				DRM_ERROR("DM: notify type %d invalid!", notify.type);
 				continue;
 			}
-- 
2.35.1


^ permalink raw reply related	[flat|nested] 6+ messages in thread

* [PATCH] drm/amdgpu: Off by one in dm_dmub_outbox1_low_irq()
@ 2022-05-16  7:05 ` Dan Carpenter
  0 siblings, 0 replies; 6+ messages in thread
From: Dan Carpenter @ 2022-05-16  7:05 UTC (permalink / raw)
  To: Harry Wentland, Jude Shih
  Cc: kernel-janitors, Leo Li, Simon Ser, Qingqing Zhuo, Pan, Xinhui,
	Rodrigo Siqueira, Roman Li, amd-gfx, Nicholas Kazlauskas,
	David Airlie, Daniel Vetter, Wayne Lin, Alex Deucher,
	Christian König

The > ARRAY_SIZE() should be >= ARRAY_SIZE() to prevent an out of bounds
access.

Fixes: e27c41d5b068 ("drm/amd/display: Support for DMUB HPD interrupt handling")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
---
 drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index 6edfc0963dab..c4f122c6faec 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -770,7 +770,7 @@ static void dm_dmub_outbox1_low_irq(void *interrupt_params)
 
 		do {
 			dc_stat_get_dmub_notification(adev->dm.dc, &notify);
-			if (notify.type > ARRAY_SIZE(dm->dmub_thread_offload)) {
+			if (notify.type >= ARRAY_SIZE(dm->dmub_thread_offload)) {
 				DRM_ERROR("DM: notify type %d invalid!", notify.type);
 				continue;
 			}
-- 
2.35.1


^ permalink raw reply related	[flat|nested] 6+ messages in thread

* Re: [PATCH] drm/amdgpu: Off by one in dm_dmub_outbox1_low_irq()
  2022-05-16  7:05 ` Dan Carpenter
@ 2022-05-19 20:52   ` Harry Wentland
  -1 siblings, 0 replies; 6+ messages in thread
From: Harry Wentland @ 2022-05-19 20:52 UTC (permalink / raw)
  To: Dan Carpenter, Jude Shih
  Cc: Leo Li, Rodrigo Siqueira, Alex Deucher, Christian König,
	Pan, Xinhui, David Airlie, Daniel Vetter, Nicholas Kazlauskas,
	Roman Li, Qingqing Zhuo, Wayne Lin, Simon Ser, amd-gfx,
	kernel-janitors

On 2022-05-16 03:05, Dan Carpenter wrote:
> The > ARRAY_SIZE() should be >= ARRAY_SIZE() to prevent an out of bounds
> access.
> 
> Fixes: e27c41d5b068 ("drm/amd/display: Support for DMUB HPD interrupt handling")
> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>

Reviewed-by: Harry Wentland <harry.wentland@amd.com>

Harry

> ---
>  drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> index 6edfc0963dab..c4f122c6faec 100644
> --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> @@ -770,7 +770,7 @@ static void dm_dmub_outbox1_low_irq(void *interrupt_params)
>  
>  		do {
>  			dc_stat_get_dmub_notification(adev->dm.dc, &notify);
> -			if (notify.type > ARRAY_SIZE(dm->dmub_thread_offload)) {
> +			if (notify.type >= ARRAY_SIZE(dm->dmub_thread_offload)) {
>  				DRM_ERROR("DM: notify type %d invalid!", notify.type);
>  				continue;
>  			}


^ permalink raw reply	[flat|nested] 6+ messages in thread

* Re: [PATCH] drm/amdgpu: Off by one in dm_dmub_outbox1_low_irq()
@ 2022-05-19 20:52   ` Harry Wentland
  0 siblings, 0 replies; 6+ messages in thread
From: Harry Wentland @ 2022-05-19 20:52 UTC (permalink / raw)
  To: Dan Carpenter, Jude Shih
  Cc: kernel-janitors, Leo Li, Simon Ser, Qingqing Zhuo, Pan, Xinhui,
	Rodrigo Siqueira, Roman Li, amd-gfx, Nicholas Kazlauskas,
	David Airlie, Daniel Vetter, Wayne Lin, Alex Deucher,
	Christian König

On 2022-05-16 03:05, Dan Carpenter wrote:
> The > ARRAY_SIZE() should be >= ARRAY_SIZE() to prevent an out of bounds
> access.
> 
> Fixes: e27c41d5b068 ("drm/amd/display: Support for DMUB HPD interrupt handling")
> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>

Reviewed-by: Harry Wentland <harry.wentland@amd.com>

Harry

> ---
>  drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> index 6edfc0963dab..c4f122c6faec 100644
> --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> @@ -770,7 +770,7 @@ static void dm_dmub_outbox1_low_irq(void *interrupt_params)
>  
>  		do {
>  			dc_stat_get_dmub_notification(adev->dm.dc, &notify);
> -			if (notify.type > ARRAY_SIZE(dm->dmub_thread_offload)) {
> +			if (notify.type >= ARRAY_SIZE(dm->dmub_thread_offload)) {
>  				DRM_ERROR("DM: notify type %d invalid!", notify.type);
>  				continue;
>  			}


^ permalink raw reply	[flat|nested] 6+ messages in thread

* Re: [PATCH] drm/amdgpu: Off by one in dm_dmub_outbox1_low_irq()
  2022-05-19 20:52   ` Harry Wentland
@ 2022-05-20 14:39     ` Alex Deucher
  -1 siblings, 0 replies; 6+ messages in thread
From: Alex Deucher @ 2022-05-20 14:39 UTC (permalink / raw)
  To: Harry Wentland
  Cc: Dan Carpenter, Jude Shih, kernel-janitors, Leo Li, Simon Ser,
	Qingqing Zhuo, Pan, Xinhui, Rodrigo Siqueira, Roman Li,
	amd-gfx list, Nicholas Kazlauskas, David Airlie, Daniel Vetter,
	Wayne Lin, Alex Deucher, Christian König

Applied.  Thanks!

Alex

On Thu, May 19, 2022 at 4:53 PM Harry Wentland <harry.wentland@amd.com> wrote:
>
> On 2022-05-16 03:05, Dan Carpenter wrote:
> > The > ARRAY_SIZE() should be >= ARRAY_SIZE() to prevent an out of bounds
> > access.
> >
> > Fixes: e27c41d5b068 ("drm/amd/display: Support for DMUB HPD interrupt handling")
> > Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
>
> Reviewed-by: Harry Wentland <harry.wentland@amd.com>
>
> Harry
>
> > ---
> >  drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> > index 6edfc0963dab..c4f122c6faec 100644
> > --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> > +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> > @@ -770,7 +770,7 @@ static void dm_dmub_outbox1_low_irq(void *interrupt_params)
> >
> >               do {
> >                       dc_stat_get_dmub_notification(adev->dm.dc, &notify);
> > -                     if (notify.type > ARRAY_SIZE(dm->dmub_thread_offload)) {
> > +                     if (notify.type >= ARRAY_SIZE(dm->dmub_thread_offload)) {
> >                               DRM_ERROR("DM: notify type %d invalid!", notify.type);
> >                               continue;
> >                       }
>

^ permalink raw reply	[flat|nested] 6+ messages in thread

* Re: [PATCH] drm/amdgpu: Off by one in dm_dmub_outbox1_low_irq()
@ 2022-05-20 14:39     ` Alex Deucher
  0 siblings, 0 replies; 6+ messages in thread
From: Alex Deucher @ 2022-05-20 14:39 UTC (permalink / raw)
  To: Harry Wentland
  Cc: Wayne Lin, Leo Li, Jude Shih, Qingqing Zhuo, Pan, Xinhui,
	kernel-janitors, Roman Li, amd-gfx list, Christian König,
	David Airlie, Daniel Vetter, Simon Ser, Alex Deucher,
	Rodrigo Siqueira, Nicholas Kazlauskas, Dan Carpenter

Applied.  Thanks!

Alex

On Thu, May 19, 2022 at 4:53 PM Harry Wentland <harry.wentland@amd.com> wrote:
>
> On 2022-05-16 03:05, Dan Carpenter wrote:
> > The > ARRAY_SIZE() should be >= ARRAY_SIZE() to prevent an out of bounds
> > access.
> >
> > Fixes: e27c41d5b068 ("drm/amd/display: Support for DMUB HPD interrupt handling")
> > Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
>
> Reviewed-by: Harry Wentland <harry.wentland@amd.com>
>
> Harry
>
> > ---
> >  drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> > index 6edfc0963dab..c4f122c6faec 100644
> > --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> > +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> > @@ -770,7 +770,7 @@ static void dm_dmub_outbox1_low_irq(void *interrupt_params)
> >
> >               do {
> >                       dc_stat_get_dmub_notification(adev->dm.dc, &notify);
> > -                     if (notify.type > ARRAY_SIZE(dm->dmub_thread_offload)) {
> > +                     if (notify.type >= ARRAY_SIZE(dm->dmub_thread_offload)) {
> >                               DRM_ERROR("DM: notify type %d invalid!", notify.type);
> >                               continue;
> >                       }
>

^ permalink raw reply	[flat|nested] 6+ messages in thread

end of thread, other threads:[~2022-05-20 14:39 UTC | newest]

Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2022-05-16  7:05 [PATCH] drm/amdgpu: Off by one in dm_dmub_outbox1_low_irq() Dan Carpenter
2022-05-16  7:05 ` Dan Carpenter
2022-05-19 20:52 ` Harry Wentland
2022-05-19 20:52   ` Harry Wentland
2022-05-20 14:39   ` Alex Deucher
2022-05-20 14:39     ` Alex Deucher

This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.