[PATCH] MdeModulePkg/SetupBrowserDxe: Fix IsZeroGuid() ASSERT.

[PATCH] MdeModulePkg/SetupBrowserDxe: Fix IsZeroGuid() ASSERT.

[nickle.wang]

>From the function description of GetIfrBinaryData(), FormSetGuid can be NULL. However, FormSetGuid is passed to IsZeroGuid(). This causes exception when FormSetGuid is NULL.

Signed-off-by: Nickle Wang <nickle.wang@hpe.com>
---
 MdeModulePkg/Universal/SetupBrowserDxe/Setup.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/MdeModulePkg/Universal/SetupBrowserDxe/Setup.c b/MdeModulePkg/Universal/SetupBrowserDxe/Setup.c
index 288f1c3197..82067b541c 100644
--- a/MdeModulePkg/Universal/SetupBrowserDxe/Setup.c
+++ b/MdeModulePkg/Universal/SetupBrowserDxe/Setup.c
@@ -2,6 +2,7 @@
 Entry and initialization module for the browser.
 
 Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>
+(C) Copyright 2020 Hewlett Packard Enterprise Development LP<BR>
 SPDX-License-Identifier: BSD-2-Clause-Patent
 
 **/
@@ -5844,7 +5845,7 @@ GetIfrBinaryData (
           //
           // Try to compare against formset GUID
           //
-          if (IsZeroGuid (FormSetGuid) ||
+          if (IsZeroGuid (ComparingGuid) ||
               CompareGuid (ComparingGuid, (EFI_GUID *)(OpCodeData + sizeof (EFI_IFR_OP_HEADER)))) {
             break;
           }
-- 
2.20.1.windows.1

Re: [edk2-devel] [PATCH] MdeModulePkg/SetupBrowserDxe: Fix IsZeroGuid() ASSERT.

[Dandan Bi]

Thanks Nickle for the fix.
One minor comment is that please pay attention to the format of commit message.
Refer to  https://github.com/tianocore/tianocore.github.io/wiki/Commit-Message-Format, Line length of commit message should be less than 76 characters when possible.
Please address it when submit the patch.
Reviewed-by: Dandan Bi <dandan.bi@intel.com>


Thanks,
Dandan

> -----Original Message-----
> From: devel@edk2.groups.io [mailto:devel@edk2.groups.io] On Behalf Of
> Nickle Wang
> Sent: Wednesday, February 19, 2020 10:23 PM
> To: devel@edk2.groups.io; nickle.wang@hpe.com
> Cc: Bi, Dandan <dandan.bi@intel.com>
> Subject: [edk2-devel] [PATCH] MdeModulePkg/SetupBrowserDxe: Fix
> IsZeroGuid() ASSERT.
> 
> From the function description of GetIfrBinaryData(), FormSetGuid can be
> NULL. However, FormSetGuid is passed to IsZeroGuid(). This causes
> exception when FormSetGuid is NULL.
> 
> Signed-off-by: Nickle Wang <nickle.wang@hpe.com>
> ---
>  MdeModulePkg/Universal/SetupBrowserDxe/Setup.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/MdeModulePkg/Universal/SetupBrowserDxe/Setup.c
> b/MdeModulePkg/Universal/SetupBrowserDxe/Setup.c
> index 288f1c3197..82067b541c 100644
> --- a/MdeModulePkg/Universal/SetupBrowserDxe/Setup.c
> +++ b/MdeModulePkg/Universal/SetupBrowserDxe/Setup.c
> @@ -2,6 +2,7 @@
>  Entry and initialization module for the browser.
> 
>  Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>
> +(C) Copyright 2020 Hewlett Packard Enterprise Development LP<BR>
>  SPDX-License-Identifier: BSD-2-Clause-Patent
> 
>  **/
> @@ -5844,7 +5845,7 @@ GetIfrBinaryData (
>            //
>            // Try to compare against formset GUID
>            //
> -          if (IsZeroGuid (FormSetGuid) ||
> +          if (IsZeroGuid (ComparingGuid) ||
>                CompareGuid (ComparingGuid, (EFI_GUID *)(OpCodeData + sizeof
> (EFI_IFR_OP_HEADER)))) {
>              break;
>            }
> --
> 2.20.1.windows.1
> 
> 
> 

Re: [edk2-devel] [PATCH] MdeModulePkg/SetupBrowserDxe: Fix IsZeroGuid() ASSERT.

[Liming Gao]

Nickle:
  Is this a real issue found in production?

Thanks
Liming
> -----Original Message-----
> From: devel@edk2.groups.io <devel@edk2.groups.io> On Behalf Of Dandan Bi
> Sent: Thursday, February 20, 2020 4:24 PM
> To: devel@edk2.groups.io; nickle.wang@hpe.com
> Subject: Re: [edk2-devel] [PATCH] MdeModulePkg/SetupBrowserDxe: Fix IsZeroGuid() ASSERT.
> 
> Thanks Nickle for the fix.
> One minor comment is that please pay attention to the format of commit message.
> Refer to  https://github.com/tianocore/tianocore.github.io/wiki/Commit-Message-Format, Line length of commit message should be less
> than 76 characters when possible.
> Please address it when submit the patch.
> Reviewed-by: Dandan Bi <dandan.bi@intel.com>
> 
> 
> Thanks,
> Dandan
> 
> > -----Original Message-----
> > From: devel@edk2.groups.io [mailto:devel@edk2.groups.io] On Behalf Of
> > Nickle Wang
> > Sent: Wednesday, February 19, 2020 10:23 PM
> > To: devel@edk2.groups.io; nickle.wang@hpe.com
> > Cc: Bi, Dandan <dandan.bi@intel.com>
> > Subject: [edk2-devel] [PATCH] MdeModulePkg/SetupBrowserDxe: Fix
> > IsZeroGuid() ASSERT.
> >
> > From the function description of GetIfrBinaryData(), FormSetGuid can be
> > NULL. However, FormSetGuid is passed to IsZeroGuid(). This causes
> > exception when FormSetGuid is NULL.
> >
> > Signed-off-by: Nickle Wang <nickle.wang@hpe.com>
> > ---
> >  MdeModulePkg/Universal/SetupBrowserDxe/Setup.c | 3 ++-
> >  1 file changed, 2 insertions(+), 1 deletion(-)
> >
> > diff --git a/MdeModulePkg/Universal/SetupBrowserDxe/Setup.c
> > b/MdeModulePkg/Universal/SetupBrowserDxe/Setup.c
> > index 288f1c3197..82067b541c 100644
> > --- a/MdeModulePkg/Universal/SetupBrowserDxe/Setup.c
> > +++ b/MdeModulePkg/Universal/SetupBrowserDxe/Setup.c
> > @@ -2,6 +2,7 @@
> >  Entry and initialization module for the browser.
> >
> >  Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>
> > +(C) Copyright 2020 Hewlett Packard Enterprise Development LP<BR>
> >  SPDX-License-Identifier: BSD-2-Clause-Patent
> >
> >  **/
> > @@ -5844,7 +5845,7 @@ GetIfrBinaryData (
> >            //
> >            // Try to compare against formset GUID
> >            //
> > -          if (IsZeroGuid (FormSetGuid) ||
> > +          if (IsZeroGuid (ComparingGuid) ||
> >                CompareGuid (ComparingGuid, (EFI_GUID *)(OpCodeData + sizeof
> > (EFI_IFR_OP_HEADER)))) {
> >              break;
> >            }
> > --
> > 2.20.1.windows.1
> >
> >
> >
> 
> 
> 

Re: [edk2-devel] [PATCH] MdeModulePkg/SetupBrowserDxe: Fix IsZeroGuid() ASSERT.

[Nickle Wang]

Hi Dandan,

Thanks for your reminder. I update my patch and it passed BaseTools/Scripts/PatchCheck.py test.

Nickle

-----Original Message-----
From: devel@edk2.groups.io [mailto:devel@edk2.groups.io] On Behalf Of Dandan Bi
Sent: Thursday, February 20, 2020 4:24 PM
To: devel@edk2.groups.io; Wang, Nickle (HPS SW) <nickle.wang@hpe.com>
Subject: Re: [edk2-devel] [PATCH] MdeModulePkg/SetupBrowserDxe: Fix IsZeroGuid() ASSERT.

Thanks Nickle for the fix.
One minor comment is that please pay attention to the format of commit message.
Refer to  https://github.com/tianocore/tianocore.github.io/wiki/Commit-Message-Format, Line length of commit message should be less than 76 characters when possible.
Please address it when submit the patch.
Reviewed-by: Dandan Bi <dandan.bi@intel.com>


Thanks,
Dandan

> -----Original Message-----
> From: devel@edk2.groups.io [mailto:devel@edk2.groups.io] On Behalf Of 
> Nickle Wang
> Sent: Wednesday, February 19, 2020 10:23 PM
> To: devel@edk2.groups.io; nickle.wang@hpe.com
> Cc: Bi, Dandan <dandan.bi@intel.com>
> Subject: [edk2-devel] [PATCH] MdeModulePkg/SetupBrowserDxe: Fix
> IsZeroGuid() ASSERT.
> 
> From the function description of GetIfrBinaryData(), FormSetGuid can 
> be NULL. However, FormSetGuid is passed to IsZeroGuid(). This causes 
> exception when FormSetGuid is NULL.
> 
> Signed-off-by: Nickle Wang <nickle.wang@hpe.com>
> ---
>  MdeModulePkg/Universal/SetupBrowserDxe/Setup.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/MdeModulePkg/Universal/SetupBrowserDxe/Setup.c
> b/MdeModulePkg/Universal/SetupBrowserDxe/Setup.c
> index 288f1c3197..82067b541c 100644
> --- a/MdeModulePkg/Universal/SetupBrowserDxe/Setup.c
> +++ b/MdeModulePkg/Universal/SetupBrowserDxe/Setup.c
> @@ -2,6 +2,7 @@
>  Entry and initialization module for the browser.
> 
>  Copyright (c) 2007 - 2018, Intel Corporation. All rights 
> reserved.<BR>
> +(C) Copyright 2020 Hewlett Packard Enterprise Development LP<BR>
>  SPDX-License-Identifier: BSD-2-Clause-Patent
> 
>  **/
> @@ -5844,7 +5845,7 @@ GetIfrBinaryData (
>            //
>            // Try to compare against formset GUID
>            //
> -          if (IsZeroGuid (FormSetGuid) ||
> +          if (IsZeroGuid (ComparingGuid) ||
>                CompareGuid (ComparingGuid, (EFI_GUID *)(OpCodeData + 
> sizeof
> (EFI_IFR_OP_HEADER)))) {
>              break;
>            }
> --
> 2.20.1.windows.1
> 
> 
> 

Re: [edk2-devel] [PATCH] MdeModulePkg/SetupBrowserDxe: Fix IsZeroGuid() ASSERT.

[Nickle Wang]

Hi Liming,

Yes, I made a function and call GetIfrBinaryData() with NULL value to second parameter. Then I see system assert. 

Thanks,
Nickle

-----Original Message-----
From: Gao, Liming [mailto:liming.gao@intel.com] 
Sent: Thursday, February 20, 2020 10:20 PM
To: devel@edk2.groups.io; Bi, Dandan <dandan.bi@intel.com>; Wang, Nickle (HPS SW) <nickle.wang@hpe.com>
Subject: RE: [edk2-devel] [PATCH] MdeModulePkg/SetupBrowserDxe: Fix IsZeroGuid() ASSERT.

Nickle:
  Is this a real issue found in production?

Thanks
Liming
> -----Original Message-----
> From: devel@edk2.groups.io <devel@edk2.groups.io> On Behalf Of Dandan 
> Bi
> Sent: Thursday, February 20, 2020 4:24 PM
> To: devel@edk2.groups.io; nickle.wang@hpe.com
> Subject: Re: [edk2-devel] [PATCH] MdeModulePkg/SetupBrowserDxe: Fix IsZeroGuid() ASSERT.
> 
> Thanks Nickle for the fix.
> One minor comment is that please pay attention to the format of commit message.
> Refer to
> https://github.com/tianocore/tianocore.github.io/wiki/Commit-Message-Format, Line length of commit message should be less than 76 characters when possible.
> Please address it when submit the patch.
> Reviewed-by: Dandan Bi <dandan.bi@intel.com>
> 
> 
> Thanks,
> Dandan
> 
> > -----Original Message-----
> > From: devel@edk2.groups.io [mailto:devel@edk2.groups.io] On Behalf 
> > Of Nickle Wang
> > Sent: Wednesday, February 19, 2020 10:23 PM
> > To: devel@edk2.groups.io; nickle.wang@hpe.com
> > Cc: Bi, Dandan <dandan.bi@intel.com>
> > Subject: [edk2-devel] [PATCH] MdeModulePkg/SetupBrowserDxe: Fix
> > IsZeroGuid() ASSERT.
> >
> > From the function description of GetIfrBinaryData(), FormSetGuid can 
> > be NULL. However, FormSetGuid is passed to IsZeroGuid(). This causes 
> > exception when FormSetGuid is NULL.
> >
> > Signed-off-by: Nickle Wang <nickle.wang@hpe.com>
> > ---
> >  MdeModulePkg/Universal/SetupBrowserDxe/Setup.c | 3 ++-
> >  1 file changed, 2 insertions(+), 1 deletion(-)
> >
> > diff --git a/MdeModulePkg/Universal/SetupBrowserDxe/Setup.c
> > b/MdeModulePkg/Universal/SetupBrowserDxe/Setup.c
> > index 288f1c3197..82067b541c 100644
> > --- a/MdeModulePkg/Universal/SetupBrowserDxe/Setup.c
> > +++ b/MdeModulePkg/Universal/SetupBrowserDxe/Setup.c
> > @@ -2,6 +2,7 @@
> >  Entry and initialization module for the browser.
> >
> >  Copyright (c) 2007 - 2018, Intel Corporation. All rights 
> > reserved.<BR>
> > +(C) Copyright 2020 Hewlett Packard Enterprise Development LP<BR>
> >  SPDX-License-Identifier: BSD-2-Clause-Patent
> >
> >  **/
> > @@ -5844,7 +5845,7 @@ GetIfrBinaryData (
> >            //
> >            // Try to compare against formset GUID
> >            //
> > -          if (IsZeroGuid (FormSetGuid) ||
> > +          if (IsZeroGuid (ComparingGuid) ||
> >                CompareGuid (ComparingGuid, (EFI_GUID *)(OpCodeData + 
> > sizeof
> > (EFI_IFR_OP_HEADER)))) {
> >              break;
> >            }
> > --
> > 2.20.1.windows.1
> >
> >
> >
> 
> 
> 

Re: [edk2-devel] [PATCH] MdeModulePkg/SetupBrowserDxe: Fix IsZeroGuid() ASSERT.

[Liming Gao]

Do you request to catch this fix into this edk2 stable tag 202002?

> -----Original Message-----
> From: Wang, Nickle (HPS SW) <nickle.wang@hpe.com>
> Sent: Friday, February 21, 2020 10:21 AM
> To: Gao, Liming <liming.gao@intel.com>; devel@edk2.groups.io; Bi, Dandan <dandan.bi@intel.com>
> Subject: RE: [edk2-devel] [PATCH] MdeModulePkg/SetupBrowserDxe: Fix IsZeroGuid() ASSERT.
> 
> Hi Liming,
> 
> Yes, I made a function and call GetIfrBinaryData() with NULL value to second parameter. Then I see system assert.
> 
> Thanks,
> Nickle
> 
> -----Original Message-----
> From: Gao, Liming [mailto:liming.gao@intel.com]
> Sent: Thursday, February 20, 2020 10:20 PM
> To: devel@edk2.groups.io; Bi, Dandan <dandan.bi@intel.com>; Wang, Nickle (HPS SW) <nickle.wang@hpe.com>
> Subject: RE: [edk2-devel] [PATCH] MdeModulePkg/SetupBrowserDxe: Fix IsZeroGuid() ASSERT.
> 
> Nickle:
>   Is this a real issue found in production?
> 
> Thanks
> Liming
> > -----Original Message-----
> > From: devel@edk2.groups.io <devel@edk2.groups.io> On Behalf Of Dandan
> > Bi
> > Sent: Thursday, February 20, 2020 4:24 PM
> > To: devel@edk2.groups.io; nickle.wang@hpe.com
> > Subject: Re: [edk2-devel] [PATCH] MdeModulePkg/SetupBrowserDxe: Fix IsZeroGuid() ASSERT.
> >
> > Thanks Nickle for the fix.
> > One minor comment is that please pay attention to the format of commit message.
> > Refer to
> > https://github.com/tianocore/tianocore.github.io/wiki/Commit-Message-Format, Line length of commit message should be less than
> 76 characters when possible.
> > Please address it when submit the patch.
> > Reviewed-by: Dandan Bi <dandan.bi@intel.com>
> >
> >
> > Thanks,
> > Dandan
> >
> > > -----Original Message-----
> > > From: devel@edk2.groups.io [mailto:devel@edk2.groups.io] On Behalf
> > > Of Nickle Wang
> > > Sent: Wednesday, February 19, 2020 10:23 PM
> > > To: devel@edk2.groups.io; nickle.wang@hpe.com
> > > Cc: Bi, Dandan <dandan.bi@intel.com>
> > > Subject: [edk2-devel] [PATCH] MdeModulePkg/SetupBrowserDxe: Fix
> > > IsZeroGuid() ASSERT.
> > >
> > > From the function description of GetIfrBinaryData(), FormSetGuid can
> > > be NULL. However, FormSetGuid is passed to IsZeroGuid(). This causes
> > > exception when FormSetGuid is NULL.
> > >
> > > Signed-off-by: Nickle Wang <nickle.wang@hpe.com>
> > > ---
> > >  MdeModulePkg/Universal/SetupBrowserDxe/Setup.c | 3 ++-
> > >  1 file changed, 2 insertions(+), 1 deletion(-)
> > >
> > > diff --git a/MdeModulePkg/Universal/SetupBrowserDxe/Setup.c
> > > b/MdeModulePkg/Universal/SetupBrowserDxe/Setup.c
> > > index 288f1c3197..82067b541c 100644
> > > --- a/MdeModulePkg/Universal/SetupBrowserDxe/Setup.c
> > > +++ b/MdeModulePkg/Universal/SetupBrowserDxe/Setup.c
> > > @@ -2,6 +2,7 @@
> > >  Entry and initialization module for the browser.
> > >
> > >  Copyright (c) 2007 - 2018, Intel Corporation. All rights
> > > reserved.<BR>
> > > +(C) Copyright 2020 Hewlett Packard Enterprise Development LP<BR>
> > >  SPDX-License-Identifier: BSD-2-Clause-Patent
> > >
> > >  **/
> > > @@ -5844,7 +5845,7 @@ GetIfrBinaryData (
> > >            //
> > >            // Try to compare against formset GUID
> > >            //
> > > -          if (IsZeroGuid (FormSetGuid) ||
> > > +          if (IsZeroGuid (ComparingGuid) ||
> > >                CompareGuid (ComparingGuid, (EFI_GUID *)(OpCodeData +
> > > sizeof
> > > (EFI_IFR_OP_HEADER)))) {
> > >              break;
> > >            }
> > > --
> > > 2.20.1.windows.1
> > >
> > >
> > >
> >
> >
> > 
> 

Re: [edk2-devel] [PATCH] MdeModulePkg/SetupBrowserDxe: Fix IsZeroGuid() ASSERT.

[Nickle Wang]

No, I can have a dummy variable to work around this issue.

Nickle

-----Original Message-----
From: Gao, Liming [mailto:liming.gao@intel.com] 
Sent: Friday, February 21, 2020 10:23 AM
To: Wang, Nickle (HPS SW) <nickle.wang@hpe.com>; devel@edk2.groups.io; Bi, Dandan <dandan.bi@intel.com>
Subject: RE: [edk2-devel] [PATCH] MdeModulePkg/SetupBrowserDxe: Fix IsZeroGuid() ASSERT.

Do you request to catch this fix into this edk2 stable tag 202002?

> -----Original Message-----
> From: Wang, Nickle (HPS SW) <nickle.wang@hpe.com>
> Sent: Friday, February 21, 2020 10:21 AM
> To: Gao, Liming <liming.gao@intel.com>; devel@edk2.groups.io; Bi, 
> Dandan <dandan.bi@intel.com>
> Subject: RE: [edk2-devel] [PATCH] MdeModulePkg/SetupBrowserDxe: Fix IsZeroGuid() ASSERT.
> 
> Hi Liming,
> 
> Yes, I made a function and call GetIfrBinaryData() with NULL value to second parameter. Then I see system assert.
> 
> Thanks,
> Nickle
> 
> -----Original Message-----
> From: Gao, Liming [mailto:liming.gao@intel.com]
> Sent: Thursday, February 20, 2020 10:20 PM
> To: devel@edk2.groups.io; Bi, Dandan <dandan.bi@intel.com>; Wang, 
> Nickle (HPS SW) <nickle.wang@hpe.com>
> Subject: RE: [edk2-devel] [PATCH] MdeModulePkg/SetupBrowserDxe: Fix IsZeroGuid() ASSERT.
> 
> Nickle:
>   Is this a real issue found in production?
> 
> Thanks
> Liming
> > -----Original Message-----
> > From: devel@edk2.groups.io <devel@edk2.groups.io> On Behalf Of 
> > Dandan Bi
> > Sent: Thursday, February 20, 2020 4:24 PM
> > To: devel@edk2.groups.io; nickle.wang@hpe.com
> > Subject: Re: [edk2-devel] [PATCH] MdeModulePkg/SetupBrowserDxe: Fix IsZeroGuid() ASSERT.
> >
> > Thanks Nickle for the fix.
> > One minor comment is that please pay attention to the format of commit message.
> > Refer to
> > https://github.com/tianocore/tianocore.github.io/wiki/Commit-Message
> > -Format, Line length of commit message should be less than
> 76 characters when possible.
> > Please address it when submit the patch.
> > Reviewed-by: Dandan Bi <dandan.bi@intel.com>
> >
> >
> > Thanks,
> > Dandan
> >
> > > -----Original Message-----
> > > From: devel@edk2.groups.io [mailto:devel@edk2.groups.io] On Behalf 
> > > Of Nickle Wang
> > > Sent: Wednesday, February 19, 2020 10:23 PM
> > > To: devel@edk2.groups.io; nickle.wang@hpe.com
> > > Cc: Bi, Dandan <dandan.bi@intel.com>
> > > Subject: [edk2-devel] [PATCH] MdeModulePkg/SetupBrowserDxe: Fix
> > > IsZeroGuid() ASSERT.
> > >
> > > From the function description of GetIfrBinaryData(), FormSetGuid 
> > > can be NULL. However, FormSetGuid is passed to IsZeroGuid(). This 
> > > causes exception when FormSetGuid is NULL.
> > >
> > > Signed-off-by: Nickle Wang <nickle.wang@hpe.com>
> > > ---
> > >  MdeModulePkg/Universal/SetupBrowserDxe/Setup.c | 3 ++-
> > >  1 file changed, 2 insertions(+), 1 deletion(-)
> > >
> > > diff --git a/MdeModulePkg/Universal/SetupBrowserDxe/Setup.c
> > > b/MdeModulePkg/Universal/SetupBrowserDxe/Setup.c
> > > index 288f1c3197..82067b541c 100644
> > > --- a/MdeModulePkg/Universal/SetupBrowserDxe/Setup.c
> > > +++ b/MdeModulePkg/Universal/SetupBrowserDxe/Setup.c
> > > @@ -2,6 +2,7 @@
> > >  Entry and initialization module for the browser.
> > >
> > >  Copyright (c) 2007 - 2018, Intel Corporation. All rights 
> > > reserved.<BR>
> > > +(C) Copyright 2020 Hewlett Packard Enterprise Development LP<BR>
> > >  SPDX-License-Identifier: BSD-2-Clause-Patent
> > >
> > >  **/
> > > @@ -5844,7 +5845,7 @@ GetIfrBinaryData (
> > >            //
> > >            // Try to compare against formset GUID
> > >            //
> > > -          if (IsZeroGuid (FormSetGuid) ||
> > > +          if (IsZeroGuid (ComparingGuid) ||
> > >                CompareGuid (ComparingGuid, (EFI_GUID *)(OpCodeData 
> > > + sizeof
> > > (EFI_IFR_OP_HEADER)))) {
> > >              break;
> > >            }
> > > --
> > > 2.20.1.windows.1
> > >
> > >
> > >
> >
> >
> > 
>