* [PATCH] uapi: stddef.h: Provide UAPI macros for __counted_by_{le, be}
@ 2024-05-06 17:42 Erick Archer
2024-05-06 17:48 ` Miguel Ojeda
2024-05-07 12:58 ` Alexander Lobakin
0 siblings, 2 replies; 4+ messages in thread
From: Erick Archer @ 2024-05-06 17:42 UTC (permalink / raw
To: Kees Cook, Alexey Dobriyan, Erick Archer, Miguel Ojeda,
Nathan Chancellor, Dmitry Antipov, Gustavo A. R. Silva,
Justin Stitt
Cc: linux-kernel, linux-hardening
Provide UAPI macros for UAPI structs that will gain annotations for
__counted_by_{le, be} attributes.
Signed-off-by: Erick Archer <erick.archer@outlook.com>
---
include/uapi/linux/stddef.h | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/include/uapi/linux/stddef.h b/include/uapi/linux/stddef.h
index 2ec6f35cda32..58154117d9b0 100644
--- a/include/uapi/linux/stddef.h
+++ b/include/uapi/linux/stddef.h
@@ -55,4 +55,12 @@
#define __counted_by(m)
#endif
+#ifndef __counted_by_le
+#define __counted_by_le(m)
+#endif
+
+#ifndef __counted_by_be
+#define __counted_by_be(m)
+#endif
+
#endif /* _UAPI_LINUX_STDDEF_H */
--
2.25.1
^ permalink raw reply related [flat|nested] 4+ messages in thread
* Re: [PATCH] uapi: stddef.h: Provide UAPI macros for __counted_by_{le, be}
2024-05-06 17:42 [PATCH] uapi: stddef.h: Provide UAPI macros for __counted_by_{le, be} Erick Archer
@ 2024-05-06 17:48 ` Miguel Ojeda
2024-05-07 12:58 ` Alexander Lobakin
1 sibling, 0 replies; 4+ messages in thread
From: Miguel Ojeda @ 2024-05-06 17:48 UTC (permalink / raw
To: Erick Archer
Cc: Kees Cook, Alexey Dobriyan, Miguel Ojeda, Nathan Chancellor,
Dmitry Antipov, Gustavo A. R. Silva, Justin Stitt, linux-kernel,
linux-hardening
On Mon, May 6, 2024 at 7:42 PM Erick Archer <erick.archer@outlook.com> wrote:
>
> Provide UAPI macros for UAPI structs that will gain annotations for
> __counted_by_{le, be} attributes.
>
> Signed-off-by: Erick Archer <erick.archer@outlook.com>
I guess this is a mirror of the kernel one at
https://lore.kernel.org/lkml/20240327142241.1745989-1-aleksander.lobakin@intel.com/,
but it would be nice to add some context, e.g. Link: tag, to this, and
possibly a comment or two.
Thanks!
Cheers,
Miguel
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH] uapi: stddef.h: Provide UAPI macros for __counted_by_{le, be}
2024-05-06 17:42 [PATCH] uapi: stddef.h: Provide UAPI macros for __counted_by_{le, be} Erick Archer
2024-05-06 17:48 ` Miguel Ojeda
@ 2024-05-07 12:58 ` Alexander Lobakin
2024-05-11 11:04 ` Erick Archer
1 sibling, 1 reply; 4+ messages in thread
From: Alexander Lobakin @ 2024-05-07 12:58 UTC (permalink / raw
To: Erick Archer
Cc: Kees Cook, Alexey Dobriyan, Miguel Ojeda, Nathan Chancellor,
Dmitry Antipov, Gustavo A. R. Silva, Justin Stitt, linux-kernel,
linux-hardening
From: Erick Archer <erick.archer@outlook.com>
Date: Mon, 6 May 2024 19:42:08 +0200
> Provide UAPI macros for UAPI structs that will gain annotations for
> __counted_by_{le, be} attributes.
Pls add me to Cc next time.
Why is this change needed? __counted_by_{le, be}() aren't used anywhere
in the uAPI headers.
>
> Signed-off-by: Erick Archer <erick.archer@outlook.com>
> ---
> include/uapi/linux/stddef.h | 8 ++++++++
> 1 file changed, 8 insertions(+)
>
> diff --git a/include/uapi/linux/stddef.h b/include/uapi/linux/stddef.h
> index 2ec6f35cda32..58154117d9b0 100644
> --- a/include/uapi/linux/stddef.h
> +++ b/include/uapi/linux/stddef.h
> @@ -55,4 +55,12 @@
> #define __counted_by(m)
> #endif
>
> +#ifndef __counted_by_le
> +#define __counted_by_le(m)
> +#endif
> +
> +#ifndef __counted_by_be
> +#define __counted_by_be(m)
> +#endif
> +
> #endif /* _UAPI_LINUX_STDDEF_H */
Thanks,
Olek
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH] uapi: stddef.h: Provide UAPI macros for __counted_by_{le, be}
2024-05-07 12:58 ` Alexander Lobakin
@ 2024-05-11 11:04 ` Erick Archer
0 siblings, 0 replies; 4+ messages in thread
From: Erick Archer @ 2024-05-11 11:04 UTC (permalink / raw
To: Alexander Lobakin
Cc: Erick Archer, Kees Cook, Alexey Dobriyan, Miguel Ojeda,
Nathan Chancellor, Dmitry Antipov, Gustavo A. R. Silva,
Justin Stitt, linux-kernel, linux-hardening
Hi Alexander,
On Tue, May 07, 2024 at 02:58:15PM +0200, Alexander Lobakin wrote:
> From: Erick Archer <erick.archer@outlook.com>
> Date: Mon, 6 May 2024 19:42:08 +0200
>
> > Provide UAPI macros for UAPI structs that will gain annotations for
> > __counted_by_{le, be} attributes.
>
> Pls add me to Cc next time.
Ok.
> Why is this change needed? __counted_by_{le, be}() aren't used anywhere
> in the uAPI headers.
The goal of this commit is to be able to accept this another one [1].
In the "batman-adv" we annotate "struct batadv_tvlv_tt_data" with the
"__counted_by_be()" attribute.
[1] https://lore.kernel.org/linux-hardening/AS8PR02MB72371F89D188B047410B755E8B192@AS8PR02MB7237.eurprd02.prod.outlook.com/
Thanks,
Erick
>
> >
> > Signed-off-by: Erick Archer <erick.archer@outlook.com>
> > ---
> > include/uapi/linux/stddef.h | 8 ++++++++
> > 1 file changed, 8 insertions(+)
> >
> > diff --git a/include/uapi/linux/stddef.h b/include/uapi/linux/stddef.h
> > index 2ec6f35cda32..58154117d9b0 100644
> > --- a/include/uapi/linux/stddef.h
> > +++ b/include/uapi/linux/stddef.h
> > @@ -55,4 +55,12 @@
> > #define __counted_by(m)
> > #endif
> >
> > +#ifndef __counted_by_le
> > +#define __counted_by_le(m)
> > +#endif
> > +
> > +#ifndef __counted_by_be
> > +#define __counted_by_be(m)
> > +#endif
> > +
> > #endif /* _UAPI_LINUX_STDDEF_H */
>
> Thanks,
> Olek
^ permalink raw reply [flat|nested] 4+ messages in thread
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2024-05-06 17:42 [PATCH] uapi: stddef.h: Provide UAPI macros for __counted_by_{le, be} Erick Archer
2024-05-06 17:48 ` Miguel Ojeda
2024-05-07 12:58 ` Alexander Lobakin
2024-05-11 11:04 ` Erick Archer
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