On Mon, Oct 12, 2026 at 02:04:25AM -0700, Kees Cook wrote: > The "cs" prefix on the LEA in the FineIBT paranoid caller template is > padding: it places the LEA's 0xf0 immediate byte where it doubles as the > LOCK prefix that makes the failing Jcc raise #UD. GNU as warns about it > in every CONFIG_FINEIBT=y build: > > Warning: segment override on `lea' is ineffectual
Shees...
