Commit 23181655 authored Sep 24, 2020 by Daniel Mentz Committed by Alistair Delva Sep 29, 2020

ANDROID: Disable kthread delayed work fp check in CFI builds



With non-canonical CFI, LLVM generates jump table entries for external
symbols in modules and as a result, a function pointer passed from a
module to the core kernel will have a different address.

Disable the warning for now.

Bug: 145210207
Signed-off-by: Daniel Mentz <danielmentz@google.com>
Change-Id: I576a07206a465902773481e51a84529f0ac2e84b

parent f4c28ebf

kernel/kthread.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -886,7 +886,9 @@ static void __kthread_queue_delayed_work(struct kthread_worker *worker,
		struct timer_list *timer = &dwork->timer;
		struct kthread_work *work = &dwork->work;

		#ifndef CONFIG_CFI_CLANG
		WARN_ON_ONCE(timer->function != kthread_delayed_work_timer_fn);
		#endif

		/*
		* If @delay is 0, queue @dwork->work immediately. This is for