Messages in this thread | | | From | Sami Tolvanen <> | Date | Tue, 16 Mar 2021 13:44:33 -0700 | Subject | Re: [PATCH 17/17] arm64: allow CONFIG_CFI_CLANG to be selected |
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On Thu, Mar 11, 2021 at 6:51 PM Kees Cook <keescook@chromium.org> wrote: > > On Thu, Mar 11, 2021 at 04:49:19PM -0800, Sami Tolvanen wrote: > > Select ARCH_SUPPORTS_CFI_CLANG to allow CFI to be enabled. > > > > Signed-off-by: Sami Tolvanen <samitolvanen@google.com> > > Reviewed-by: Kees Cook <keescook@chromium.org> > > Random thought: the vDSO doesn't need special handling because it > doesn't make any indirect calls, yes?
That might be true, but we also filter out CC_FLAGS_LTO for the vDSO, which disables CFI as well.
Sami
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