On Thu, Feb 2, 2017 at 9:37 PM, Tyler Hicks <[email protected]> wrote:
> Extend the kernel selftests for seccomp to test the newly added
> SECCOMP_RET_LOG action. The added tests follow the example of existing
> tests.
>
> Unfortunately, the tests are not capable of inspecting the audit log to
> verify that the syscall was logged.
>
> Signed-off-by: Tyler Hicks <[email protected]>
> ---
>  tools/testing/selftests/seccomp/seccomp_bpf.c | 94 
> +++++++++++++++++++++++++++
>  1 file changed, 94 insertions(+)
>
> diff --git a/tools/testing/selftests/seccomp/seccomp_bpf.c 
> b/tools/testing/selftests/seccomp/seccomp_bpf.c
> index 03f1fa4..a39f620 100644
> --- a/tools/testing/selftests/seccomp/seccomp_bpf.c
> +++ b/tools/testing/selftests/seccomp/seccomp_bpf.c
> @@ -87,6 +87,10 @@ struct seccomp_data {
>  };
>  #endif
>
> +#ifndef SECCOMP_RET_LOG
> +#define SECCOMP_RET_LOG       0x7ffe0000U /* allow after logging */

Except changing this to match my suggested tweak, this all looks
great. (Though it would be fun to find a clean way to actually examine
the dmesg buffer...)

-Kees

-- 
Kees Cook
Pixel Security

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