On Wed, Feb 03, 2021 at 02:59:02PM -0800, Yu-cheng Yu wrote: > From: "H.J. Lu" <[email protected]> > > When Indirect Branch Tracking (IBT) is enabled, vDSO functions may be > called indirectly, and must have ENDBR32 or ENDBR64 as the first > instruction. The compiler must support -fcf-protection=branch so that it > can be used to compile vDSO. > > Signed-off-by: H.J. Lu <[email protected]>
Reviewed-by: Kees Cook <[email protected]> -- Kees Cook
