From: "Jason A. Donenfeld" Jason@zx2c4.com Subject: kasan: depend on CONFIG_SLUB_DEBUG
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=pGw1iJnQg...
Link: http://lkml.kernel.org/r/20180622154623.25388-1-Jason@zx2c4.com Fixes: f9e13c0a5a33 ("slab, slub: skip unnecessary kasan_cache_shutdown()") Signed-off-by: Jason A. Donenfeld Jason@zx2c4.com Acked-by: Michal Hocko mhocko@suse.com Reviewed-by: Shakeel Butt shakeelb@google.com Acked-by: Christoph Lameter cl@linux.com Cc: Shakeel Butt shakeelb@google.com Cc: David Rientjes rientjes@google.com Cc: Pekka Enberg penberg@kernel.org Cc: Joonsoo Kim iamjoonsoo.kim@lge.com Cc: Andrey Ryabinin aryabinin@virtuozzo.com Cc: stable@vger.kernel.org Signed-off-by: Andrew Morton akpm@linux-foundation.org ---
diff -puN lib/Kconfig.kasan~kasan-depend-on-config_slub_debug lib/Kconfig.kasan --- a/lib/Kconfig.kasan~kasan-depend-on-config_slub_debug +++ a/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 _