Re: [PATCH v4 08/11] selftests/seccomp: Make kcmp() less required

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On Mon, Jun 15, 2020 at 08:25:21PM -0700, Kees Cook wrote:
> The seccomp tests are a bit noisy without CONFIG_CHECKPOINT_RESTORE (due
> to missing the kcmp() syscall). The seccomp tests are more accurate with
> kcmp(), but it's not strictly required. Refactor the tests to use
> alternatives (comparing fd numbers), and provide a central test for
> kcmp() so there is a single XFAIL instead of many. Continue to produce
> warnings for the other tests, though.
> 
> Additionally adds some more bad flag EINVAL tests to the addfd selftest.
> 
> Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx>

This looks fine, but I wonder if this is enough motivation for taking
kcmp() out of CONFIG_CHECKPOINT_RESTORE guards?

Tycho



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