| Date | Thu, 11 Mar 2021 18:45:43 -0800 | From | Kees Cook <> | Subject | Re: [PATCH 10/17] lkdtm: use __va_function |
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On Thu, Mar 11, 2021 at 04:49:12PM -0800, Sami Tolvanen wrote: > To ensure we take the actual address of a function in kernel text, use > __va_function. Otherwise, with CONFIG_CFI_CLANG, the compiler replaces > the address with a pointer to the CFI jump table, which is actually in > the module when compiled with CONFIG_LKDTM=m. > > Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
Acked-by: Kees Cook <keescook@chromium.org>
-- Kees Cook
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