4.17-stable review patch. If anyone has any objections, please let me know.
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From: Jason A. Donenfeld Jason@zx2c4.com
commit dd275caf4a0d9b219fffe49288b6cc33cd564312 upstream.
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 Signed-off-by: Linus Torvalds torvalds@linux-foundation.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- lib/Kconfig.kasan | 1 + 1 file changed, 1 insertion(+)
--- 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