lkml.org 
[lkml]   [2014]   [Jun]   [25]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH_v4 0/2] arm64: Add seccomp support
From
Date
What is the current status of this patch series? Is it on track
for 3.17?

On Sat, 2014-03-15 at 14:50 +0900, AKASHI Takahiro wrote:
> (Please apply this patch after my ftrace patch and audit patch in order
> to avoid some conflict on arm64/Kconfig.)
>
> This patch enables secure computing (system call filtering) on arm64.
> System calls can be allowed or denied by loaded bpf-style rules.
> Architecture specific part is to run secure_computing() on syscall entry
> and check the result. See [2/2]
>
> Prerequisites are:
> * "arm64: make a single hook to syscall_trace() for all syscall features" patch
> * "arm64: split syscall_trace() into separate functions for enter/exit" patch
> * "arm64: Add audit support" patch
> * "arm64: is_compat_task is defined both in asm/compat.h and
> linux/compat.h" patch
>
> This code is tested on ARMv8 fast model using libseccomp v2.1.1 with
> modifications for arm64 and verified by its "live" tests, 20, 21 and 24.
>
> Changes v3 -> v4:
> * removed the following patch and moved it to "arm64: prerequisites for
> audit and ftrace" patchset since it is required for audit and ftrace in
> case of !COMPAT, too.
> "arm64: is_compat_task is defined both in asm/compat.h and linux/compat.h"
>
> Changes v2 -> v3:
> * removed unnecessary 'type cast' operations [2/3]
> * check for a return value (-1) of secure_computing() explicitly [2/3]
> * aligned with the patch, "arm64: split syscall_trace() into separate
> functions for enter/exit" [2/3]
> * changed default of CONFIG_SECCOMP to n [2/3]
>
> Changes v1 -> v2:
> * added generic seccomp.h for arm64 to utilize it [1,2/3]
> * changed syscall_trace() to return more meaningful value (-EPERM)
> on seccomp failure case [2/3]
> * aligned with the change in "arm64: make a single hook to syscall_trace()
> for all syscall features" v2 [2/3]
> * removed is_compat_task() definition from compat.h [3/3]
>
> AKASHI Takahiro (2):
> asm-generic: Add generic seccomp.h for secure computing mode 1
> arm64: Add seccomp support
>
> arch/arm64/Kconfig | 14 ++++++++++++++
> arch/arm64/include/asm/seccomp.h | 25 +++++++++++++++++++++++++
> arch/arm64/include/asm/unistd.h | 3 +++
> arch/arm64/kernel/entry.S | 4 ++++
> arch/arm64/kernel/ptrace.c | 6 ++++++
> include/asm-generic/seccomp.h | 28 ++++++++++++++++++++++++++++
> 6 files changed, 80 insertions(+)
> create mode 100644 arch/arm64/include/asm/seccomp.h
> create mode 100644 include/asm-generic/seccomp.h
>




\
 
 \ /
  Last update: 2014-06-25 17:41    [W:0.155 / U:43.940 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site