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Message-ID: <1325059891-20540-1-git-send-email-tiejun.chen@windriver.com>
Date: Wed, 28 Dec 2011 16:11:31 +0800
From: Tiejun Chen <tiejun.chen@...driver.com>
To: <linux-kernel@...r.kernel.org>
Subject: [PATCH 1/1] kmemleak/module: only scan the existed data section
We should only scan the sections containing data and it's size is not
zero as well.
Signed-off-by: Tiejun Chen <tiejun.chen@...driver.com>
---
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
--
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