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@xxxxxxxxxx>
I'm adding Shuah to CC in case she has some suggestions about the new
selftest.
Thanks Kees.
Reviewed-by: Kees Cook <keescook@xxxxxxxxxxxx>
-Kees
Looks good to me.
Acked-by: Shuah Khan <skhan@xxxxxxxxxxxxxxxxxxx>
thanks,
-- Shuah
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