From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751313Ab1L1ILg (ORCPT ); Wed, 28 Dec 2011 03:11:36 -0500 Received: from mail.windriver.com ([147.11.1.11]:54908 "EHLO mail.windriver.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750760Ab1L1ILd (ORCPT ); Wed, 28 Dec 2011 03:11:33 -0500 From: Tiejun Chen To: Subject: [PATCH 1/1] kmemleak/module: only scan the existed data section Date: Wed, 28 Dec 2011 16:11:31 +0800 Message-ID: <1325059891-20540-1-git-send-email-tiejun.chen@windriver.com> X-Mailer: git-send-email 1.6.0.4 MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org We should only scan the sections containing data and it's size is not zero as well. Signed-off-by: Tiejun Chen --- kernel/module.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-) diff --git a/kernel/module.c b/kernel/module.c index 12cfa2b..0b93c30 100644 --- a/kernel/module.c +++ b/kernel/module.c @@ -2045,6 +2045,8 @@ static void kmemleak_load_module(struct module *mod, Elf_Ehdr *hdr, if (strncmp(secstrings + sechdrs[i].sh_name, ".data", 5) != 0 && strncmp(secstrings + sechdrs[i].sh_name, ".bss", 4) != 0) continue; + if (sechdrs[i].sh_size == 0) + continue; kmemleak_scan_area((void *)sechdrs[i].sh_addr, sechdrs[i].sh_size, GFP_KERNEL); -- 1.6.0.4