On Thu, Mar 11, 2021 at 04:49:07PM -0800, Sami Tolvanen wrote: > With CONFIG_CFI_CLANG, a callback function passed to > __queue_delayed_work from a module points to a jump table entry > defined in the module instead of the one used in the core kernel, > which breaks function address equality in this check: > > WARN_ON_ONCE(timer->function != delayed_work_timer_fn); > > Disable the warning when CFI and modules are enabled. Reviewed-by: Kees Cook <keescook@xxxxxxxxxxxx> -- Kees Cook