Messages in this thread | | | Date | Thu, 26 Jun 2014 09:57:48 +0900 | From | AKASHI Takahiro <> | Subject | Re: [PATCH_v4 0/2] arm64: Add seccomp support |
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On 06/25/2014 11:53 PM, Mark Salter wrote: > What is the current status of this patch series? Is it on track > for 3.17?
I assume not as I saw no comments on this so far. But I will re-post a new version soon or later due to recent changes on seccomp.
-Takahiro AKASHI
> 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 >> > >
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