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=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT 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 9E89AC433FF for ; Fri, 9 Aug 2019 01:25:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 826F62171F for ; Fri, 9 Aug 2019 01:25:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2405376AbfHIBZm (ORCPT ); Thu, 8 Aug 2019 21:25:42 -0400 Received: from foss.arm.com ([217.140.110.172]:40446 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2404978AbfHIBZk (ORCPT ); Thu, 8 Aug 2019 21:25:40 -0400 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id CAF6C15AB; Thu, 8 Aug 2019 18:25:39 -0700 (PDT) Received: from localhost.localdomain (unknown [10.169.40.54]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 503D43F575; Thu, 8 Aug 2019 18:25:37 -0700 (PDT) From: Jia He To: Petr Mladek , Andy Shevchenko , Sergey Senozhatsky , Geert Uytterhoeven , linux-kernel@vger.kernel.org, Thomas Gleixner Cc: "Steven Rostedt (VMware)" , Kees Cook , Shuah Khan , "Tobin C. Harding" , Jia He Subject: [PATCH 2/2] lib/test_printf: add test of null/invalid pointer dereference for dentry Date: Fri, 9 Aug 2019 09:24:57 +0800 Message-Id: <20190809012457.56685-2-justin.he@arm.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190809012457.56685-1-justin.he@arm.com> References: <20190809012457.56685-1-justin.he@arm.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This add some additional test cases of null/invalid pointer dereference for dentry and file (%pd and %pD) Signed-off-by: Jia He --- lib/test_printf.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/lib/test_printf.c b/lib/test_printf.c index 944eb50f3862..befedffeb476 100644 --- a/lib/test_printf.c +++ b/lib/test_printf.c @@ -455,6 +455,13 @@ dentry(void) test("foo", "%pd", &test_dentry[0]); test("foo", "%pd2", &test_dentry[0]); + /* test the null/invalid pointer case for dentry */ + test("(null)", "%pd", NULL); + test("(efault)", "%pd", PTR_INVALID); + /* test the null/invalid pointer case for file */ + test("(null)", "%pD", NULL); + test("(efault)", "%pD", PTR_INVALID); + test("romeo", "%pd", &test_dentry[3]); test("alfa/romeo", "%pd2", &test_dentry[3]); test("bravo/alfa/romeo", "%pd3", &test_dentry[3]); -- 2.17.1