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Date: Wed, 5 Mar 2014 16:27:01 -0500
From: Richard Guy Briggs <rgb@...hat.com>
To: linux-audit@...hat.com, linux-kernel@...r.kernel.org
Cc: Richard Guy Briggs <rgb@...hat.com>, eparis@...hat.com,
sgrubb@...hat.com, oleg@...hat.com,
linux-arm-kernel@...ts.infradead.org, x86@...nel.org,
linux-ia64@...r.kernel.org, microblaze-uclinux@...e.uq.edu.au,
linux-mips@...ux-mips.org, linux@...nrisc.net,
linux-parisc@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
linux-s390@...r.kernel.org, linux-sh@...r.kernel.org,
sparclinux@...r.kernel.org,
user-mode-linux-devel@...ts.sourceforge.net,
linux-arch@...r.kernel.org
Subject: [PATCH 0/6][RFC] audit: standardize and simplify syscall_get_arch()
Each arch that supports audit requires syscall_get_arch() to able to log
and identify architecture-dependent syscall numbers. The information is used
in at least two different subsystems, so standardize it in the same call across
all arches.
Use the standardized syscall_get_arch() locally to add the arch to the
AUDIT_SECCOMP record to identify which syscall was issued.
Since all the callers of syscall_get_arch() presently pass "current" and none
of the arch-specific syscall_get_arch() implementations use the regs parameter,
call syscall_get_arch() locally where it is needed and drop passing around
arch, current and regs in __audit_syscall_entry() and audit_syscall_entry().
Compiles and runs on i686, x86_64, ppc, ppc64, s390, s390x, manually tested in
an x86_64 VM. aarch64 will be added soon.
Richard Guy Briggs (6):
syscall: define syscall_get_arch() for each audit-supported arch
audit: add arch field to seccomp event log
audit: __audit_syscall_entry: ignore arch arg and call
syscall_get_arch() directly
audit: drop arch from audit_syscall_entry() interface
audit: drop args from syscall_get_arch() interface
audit: drop arch from __audit_syscall_entry() interface
arch/arm/include/asm/syscall.h | 5 ++---
arch/arm/kernel/ptrace.c | 2 +-
arch/ia64/include/asm/syscall.h | 6 ++++++
arch/ia64/kernel/ptrace.c | 2 +-
arch/microblaze/include/asm/syscall.h | 5 +++++
arch/microblaze/kernel/ptrace.c | 2 +-
arch/mips/include/asm/syscall.h | 6 +++---
arch/mips/kernel/ptrace.c | 3 +--
arch/openrisc/include/asm/syscall.h | 5 +++++
arch/openrisc/kernel/ptrace.c | 2 +-
arch/parisc/include/asm/syscall.h | 11 +++++++++++
arch/parisc/kernel/ptrace.c | 5 ++---
arch/powerpc/include/asm/syscall.h | 12 ++++++++++++
arch/powerpc/kernel/ptrace.c | 6 ++----
arch/s390/include/asm/syscall.h | 7 +++----
arch/s390/kernel/ptrace.c | 4 +---
arch/sh/include/asm/syscall.h | 16 ++++++++++++++++
arch/sh/kernel/ptrace_32.c | 13 +------------
arch/sh/kernel/ptrace_64.c | 16 +---------------
arch/sparc/include/asm/syscall.h | 7 +++++++
arch/sparc/kernel/ptrace_64.c | 5 +----
arch/um/kernel/ptrace.c | 3 +--
arch/x86/ia32/ia32entry.S | 12 ++++++------
arch/x86/include/asm/syscall.h | 10 ++++------
arch/x86/kernel/entry_32.S | 11 +++++------
arch/x86/kernel/entry_64.S | 11 +++++------
arch/x86/kernel/ptrace.c | 6 ++----
arch/xtensa/kernel/ptrace.c | 2 +-
include/asm-generic/syscall.h | 6 ++----
include/linux/audit.h | 9 ++++-----
include/uapi/linux/audit.h | 1 +
kernel/auditsc.c | 6 ++++--
kernel/seccomp.c | 4 ++--
33 files changed, 120 insertions(+), 101 deletions(-)
--
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