Messages in this thread | | | Subject | Re: [PATCH v16 16/16] selftests, arm64: add a selftest for passing tagged pointers to kernel | From | shuah <> | Date | Mon, 10 Jun 2019 16:08:10 -0600 |
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On 6/7/19 9:56 PM, Kees Cook wrote: > On Mon, Jun 03, 2019 at 06:55:18PM +0200, Andrey Konovalov wrote: >> This patch is a part of a series that extends arm64 kernel ABI to allow to >> pass tagged user pointers (with the top byte set to something else other >> than 0x00) as syscall arguments. >> >> This patch adds a simple test, that calls the uname syscall with a >> tagged user pointer as an argument. Without the kernel accepting tagged >> user pointers the test fails with EFAULT. >> >> Signed-off-by: Andrey Konovalov <andreyknvl@google.com> > > I'm adding Shuah to CC in case she has some suggestions about the new > selftest.
Thanks Kees.
> > Reviewed-by: Kees Cook <keescook@chromium.org> > > -Kees >
Looks good to me.
Acked-by: Shuah Khan <skhan@linuxfoundation.org>
thanks, -- Shuah
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