On Tue, 15 Nov 2016 17:07:25 +0100 Dmitry Vyukov <dvyu...@google.com> wrote:
> Gcc revision 241896 implements use-after-scope detection. > Will be available in gcc 7. Support it in KASAN. > > Gcc emits 2 new callbacks to poison/unpoison large stack > objects when they go in/out of scope. > Implement the callbacks and add a test. > > ... > > --- a/lib/test_kasan.c > +++ b/lib/test_kasan.c > @@ -411,6 +411,29 @@ static noinline void __init copy_user_test(void) > kfree(kmem); > } > > +static noinline void __init use_after_scope_test(void) This reader has no idea why this code uses noinline, and I expect others will have the same issue. Can we please get a code comment in there to reveal the reason?
