From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS, URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B8332C43142 for ; Fri, 22 Jun 2018 15:46:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6C9912454A for ; Fri, 22 Jun 2018 15:46:34 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=zx2c4.com header.i=@zx2c4.com header.b="ffNjqBT1" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6C9912454A Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=zx2c4.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933944AbeFVPqd (ORCPT ); Fri, 22 Jun 2018 11:46:33 -0400 Received: from frisell.zx2c4.com ([192.95.5.64]:34461 "EHLO frisell.zx2c4.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933670AbeFVPqc (ORCPT ); Fri, 22 Jun 2018 11:46:32 -0400 Received: by frisell.zx2c4.com (ZX2C4 Mail Server) with ESMTP id b6585bef; Fri, 22 Jun 2018 15:40:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=zx2c4.com; h=from:to:cc :subject:date:message-id:in-reply-to:references; s=mail; bh=KW60 zVfrC8Hwr589uxTW8kpYXS0=; b=ffNjqBT1w6jjw84lejxF+5ntbUZqSN56rWHf HFe/wfV7l16uX3hZk+Xr7Aj1M2VW6nIDGwhGDslEId54vCDcXiTiQ6djPGYNSXbE EmiaraXNeTzD3DaoxZ6lhm10xdHqAkLQ+JLLmRl0ZvWEfk+DUQzD74hIZWeluvHK 2Z1/qUCCYGRt9lXbnclZT4nTiNuJXuvUqptkvAh/WkM7R5crP1JACs31AwlByHsO 2LUKBN8sy+n7m9nmqOSh30gxyIQNbUQgerrRNboDr8W3n4Mpac31Pb6SyJ6GBF1p uvAYP4RIuOBMF1QW2MUCoaPkkSe4GziWp7xOOjoIGrFFDhs7NQ== Received: by frisell.zx2c4.com (ZX2C4 Mail Server) with ESMTPSA id 00b1b5ac (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256:NO); Fri, 22 Jun 2018 15:40:15 +0000 (UTC) From: "Jason A. Donenfeld" To: Shakeel Butt Cc: "Jason A. Donenfeld" , David Rientjes , Christoph Lameter , Pekka Enberg , Joonsoo Kim , Andrew Morton , Andrey Ryabinin , stable@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: [PATCH] kasan: depend on CONFIG_SLUB_DEBUG Date: Fri, 22 Jun 2018 17:46:23 +0200 Message-Id: <20180622154623.25388-1-Jason@zx2c4.com> In-Reply-To: References: Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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@mail.gmail.com Fixes: f9e13c0a5a33 ("slab, slub: skip unnecessary kasan_cache_shutdown()") Cc: Shakeel Butt Cc: David Rientjes Cc: Christoph Lameter Cc: Pekka Enberg Cc: Joonsoo Kim Cc: Andrew Morton Cc: Andrey Ryabinin Cc: Cc: Cc: Signed-off-by: Jason A. Donenfeld --- 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