Richard,

On 01/30/2014 07:36 AM, Richard Guy Briggs wrote:
On 14/01/29, Richard Guy Briggs wrote:
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

These arches above all pass compile and basic tests with the following patches 
applied:

        audit: correct a type mismatch in audit_syscall_exit() pending (already 
upstream)

        audit: Modify a set of system calls in audit class definitions (already 
upstream)

        [PATCH v3] audit: Add generic compat syscall support

        [PATCH v2] audit: Enable arm64 support
        [PATCH v2] arm64: Add regs_return_value() in syscall.h
        [PATCH v2] arm64: Add audit support
        [PATCH v2] arm64: audit: Add 32-bit (compat) syscall support
        [PATCH v2] arm64: audit: Add makefile rule to create unistd_32.h for 
compat syscalls
        [PATCH v2] arm64: audit: Add audit hook in ptrace/syscall_trace

I think that you missed Catalin's suggestion.
Please use the patch I will post after this message and try it again, please?

Thanks,
-Takahiro AKASHI



So I'm afraid that the change might break someone's assumption.

Thanks,
-Takahiro AKASHI

- RGB

- RGB

--
Richard Guy Briggs <rbri...@redhat.com>
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

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