Re: [PATCH v2 1/6] audit: Enable arm64 support

From: Richard Guy Briggs
Date: Wed Jan 29 2014 - 15:22:20 EST


On 14/01/27, AKASHI Takahiro wrote:
> [To audit maintainers]
>
> On 01/23/2014 11:18 PM, Catalin Marinas wrote:
> >On Fri, Jan 17, 2014 at 08:13:14AM +0000, AKASHI Takahiro wrote:
> >>--- a/include/uapi/linux/audit.h
> >>+++ b/include/uapi/linux/audit.h
> >>@@ -327,6 +327,8 @@ enum {
> >> /* distinguish syscall tables */
> >> #define __AUDIT_ARCH_64BIT 0x80000000
> >> #define __AUDIT_ARCH_LE 0x40000000
> >>+#define AUDIT_ARCH_AARCH64 (EM_AARCH64|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE)
> >>+#define AUDIT_ARCH_AARCH64EB (EM_AARCH64|__AUDIT_ARCH_64BIT)
> >> #define AUDIT_ARCH_ALPHA (EM_ALPHA|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE)
> >> #define AUDIT_ARCH_ARM (EM_ARM|__AUDIT_ARCH_LE)
> >> #define AUDIT_ARCH_ARMEB (EM_ARM)
> >>diff --git a/init/Kconfig b/init/Kconfig
> >>index 79383d3..3aae602 100644
> >>--- a/init/Kconfig
> >>+++ b/init/Kconfig
> >>@@ -284,7 +284,7 @@ config AUDIT
> >>
> >> config AUDITSYSCALL
> >> bool "Enable system-call auditing support"
> >>- depends on AUDIT && (X86 || PARISC || PPC || S390 || IA64 || UML || SPARC64 || SUPERH || (ARM && AEABI && !OABI_COMPAT))
> >>+ depends on AUDIT && (X86 || PARISC || PPC || S390 || IA64 || UML || SPARC64 || SUPERH || (ARM && AEABI && !OABI_COMPAT) || ARM64)
> >
> >The usual comment for such changes: could you please clean this up and
> >just use something like "depends on HAVE_ARCH_AUDITSYSCALL"?
>
> Do you agree to this change?
>
> If so, I can create a patch, but have some concerns:
> 1) I can't verify it on other architectures than (arm &) arm64.
> 2) Some architectures (microblaze, mips, openrisc) are not listed here, but
> their ptrace.c have a call to audit_syscall_entry/exit().
> (audit_syscall_entry/exit are null if !AUDITSYSCALL, though)

I can try: ppc s390 x86_64 ppc64 i686 s390x

> So I'm afraid that the change might break someone's assumption.
>
> Thanks,
> -Takahiro AKASHI

- RGB

--
Richard Guy Briggs <rbriggs@xxxxxxxxxx>
Senior Software Engineer, Kernel Security, AMER ENG Base Operating Systems, Red Hat
Remote, Ottawa, Canada
Voice: +1.647.777.2635, Internal: (81) 32635, Alt: +1.613.693.0684x3545
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/