From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S935216AbcA0SZh (ORCPT ); Wed, 27 Jan 2016 13:25:37 -0500 Received: from mail-wm0-f45.google.com ([74.125.82.45]:38122 "EHLO mail-wm0-f45.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S935191AbcA0SZ2 (ORCPT ); Wed, 27 Jan 2016 13:25:28 -0500 From: Alexander Potapenko To: adech.fo@gmail.com, cl@linux.com, dvyukov@google.com, akpm@linux-foundation.org, ryabinin.a.a@gmail.com, rostedt@goodmis.org Cc: kasan-dev@googlegroups.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: [PATCH v1 6/8] kasan: Test fix: Warn if the UAF could not be detected in kmalloc_uaf2 Date: Wed, 27 Jan 2016 19:25:11 +0100 Message-Id: <543521b8a452188f870cd0e87fabb80e32d9e1a1.1453918525.git.glider@google.com> X-Mailer: git-send-email 2.7.0.rc3.207.g0ac5344 In-Reply-To: References: In-Reply-To: References: Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Signed-off-by: Alexander Potapenko --- lib/test_kasan.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/lib/test_kasan.c b/lib/test_kasan.c index 66dd92f..5498a78 100644 --- a/lib/test_kasan.c +++ b/lib/test_kasan.c @@ -286,6 +286,8 @@ static noinline void __init kmalloc_uaf2(void) } ptr1[40] = 'x'; + if (ptr1 == ptr2) + pr_err("Could not detect use-after-free: ptr1 == ptr2\n"); kfree(ptr2); } -- 2.7.0.rc3.207.g0ac5344