* Add MFD_NOEXEC_SEAL, MFD_EXEC from Linux 6.3 to bits/mman-shared.h
@ 2023-05-17 23:03 Joseph Myers
2023-05-25 21:35 ` Ping " Joseph Myers
2023-05-26 6:49 ` Florian Weimer
0 siblings, 2 replies; 3+ messages in thread
From: Joseph Myers @ 2023-05-17 23:03 UTC (permalink / raw)
To: libc-alpha
Linux 6.3 adds new constants MFD_NOEXEC_SEAL and MFD_EXEC. Add these
to bits/mman-shared.h (conditional on MFD_NOEXEC_SEAL not already
being defined, similar to the existing conditional on the older MFD_*
macros).
Tested for x86_64.
diff --git a/sysdeps/unix/sysv/linux/bits/mman-shared.h b/sysdeps/unix/sysv/linux/bits/mman-shared.h
index 91f2cad00f..6684a84a26 100644
--- a/sysdeps/unix/sysv/linux/bits/mman-shared.h
+++ b/sysdeps/unix/sysv/linux/bits/mman-shared.h
@@ -32,6 +32,10 @@
# define MFD_ALLOW_SEALING 2U
# define MFD_HUGETLB 4U
# endif
+# ifndef MFD_NOEXEC_SEAL
+# define MFD_NOEXEC_SEAL 8U
+# define MFD_EXEC 0x10U
+# endif
/* Flags for mlock2. */
# ifndef MLOCK_ONFAULT
--
Joseph S. Myers
joseph@codesourcery.com
^ permalink raw reply [flat|nested] 3+ messages in thread
* Ping Re: Add MFD_NOEXEC_SEAL, MFD_EXEC from Linux 6.3 to bits/mman-shared.h
2023-05-17 23:03 Add MFD_NOEXEC_SEAL, MFD_EXEC from Linux 6.3 to bits/mman-shared.h Joseph Myers
@ 2023-05-25 21:35 ` Joseph Myers
2023-05-26 6:49 ` Florian Weimer
1 sibling, 0 replies; 3+ messages in thread
From: Joseph Myers @ 2023-05-25 21:35 UTC (permalink / raw)
To: libc-alpha
Ping. This patch
<https://sourceware.org/pipermail/libc-alpha/2023-May/148238.html> is
pending review.
--
Joseph S. Myers
joseph@codesourcery.com
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: Add MFD_NOEXEC_SEAL, MFD_EXEC from Linux 6.3 to bits/mman-shared.h
2023-05-17 23:03 Add MFD_NOEXEC_SEAL, MFD_EXEC from Linux 6.3 to bits/mman-shared.h Joseph Myers
2023-05-25 21:35 ` Ping " Joseph Myers
@ 2023-05-26 6:49 ` Florian Weimer
1 sibling, 0 replies; 3+ messages in thread
From: Florian Weimer @ 2023-05-26 6:49 UTC (permalink / raw)
To: Joseph Myers; +Cc: libc-alpha
* Joseph Myers:
> diff --git a/sysdeps/unix/sysv/linux/bits/mman-shared.h b/sysdeps/unix/sysv/linux/bits/mman-shared.h
> index 91f2cad00f..6684a84a26 100644
> --- a/sysdeps/unix/sysv/linux/bits/mman-shared.h
> +++ b/sysdeps/unix/sysv/linux/bits/mman-shared.h
> @@ -32,6 +32,10 @@
> # define MFD_ALLOW_SEALING 2U
> # define MFD_HUGETLB 4U
> # endif
> +# ifndef MFD_NOEXEC_SEAL
> +# define MFD_NOEXEC_SEAL 8U
> +# define MFD_EXEC 0x10U
> +# endif
>
> /* Flags for mlock2. */
> # ifndef MLOCK_ONFAULT
Okay.
Thanks,
Florian
^ permalink raw reply [flat|nested] 3+ messages in thread
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2023-05-17 23:03 Add MFD_NOEXEC_SEAL, MFD_EXEC from Linux 6.3 to bits/mman-shared.h Joseph Myers
2023-05-25 21:35 ` Ping " Joseph Myers
2023-05-26 6:49 ` Florian Weimer
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