On Fri, Jun 22, 2018 at 8:46 AM Jason A. Donenfeld <[email protected]> wrote: > > KASAN depends on having access to some of the accounting that SLUB_DEBUG > does; without it, there are immediate crashes [1]. So, the natural thing > to do is to make KASAN select SLUB_DEBUG. > > [1] > http://lkml.kernel.org/r/CAHmME9rtoPwxUSnktxzKso14iuVCWT7BE_-_8PAC=pgw1ij...@mail.gmail.com > > Fixes: f9e13c0a5a33 ("slab, slub: skip unnecessary kasan_cache_shutdown()") > Cc: Shakeel Butt <[email protected]> > Cc: David Rientjes <[email protected]> > Cc: Christoph Lameter <[email protected]> > Cc: Pekka Enberg <[email protected]> > Cc: Joonsoo Kim <[email protected]> > Cc: Andrew Morton <[email protected]> > Cc: Andrey Ryabinin <[email protected]> > Cc: <[email protected]> > Cc: <[email protected]> > Cc: <[email protected]> > Signed-off-by: Jason A. Donenfeld <[email protected]>
Reviewed-by: Shakeel Butt <[email protected]> > --- > lib/Kconfig.kasan | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/lib/Kconfig.kasan b/lib/Kconfig.kasan > index 3d35d062970d..c253c1b46c6b 100644 > --- a/lib/Kconfig.kasan > +++ b/lib/Kconfig.kasan > @@ -6,6 +6,7 @@ if HAVE_ARCH_KASAN > config KASAN > bool "KASan: runtime memory debugger" > depends on SLUB || (SLAB && !DEBUG_SLAB) > + select SLUB_DEBUG if SLUB > select CONSTRUCTORS > select STACKDEPOT > help > -- > 2.17.1 >
