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From: Kefeng Wang <wangkefeng.wang@huawei.com>
To: <arnd@arndb.de>, <linux-arch@vger.kernel.org>,
	<linux-kernel@vger.kernel.org>, <linuxppc-dev@lists.ozlabs.org>,
	<rostedt@goodmis.org>, <mingo@redhat.com>, <davem@davemloft.net>,
	<ast@kernel.org>, <ryabinin.a.a@gmail.com>,
	<akpm@linux-foundation.org>
Cc: <mpe@ellerman.id.au>, <benh@kernel.crashing.org>,
	<paulus@samba.org>, <bpf@vger.kernel.org>,
	Kefeng Wang <wangkefeng.wang@huawei.com>,
	"Alexander Potapenko" <glider@google.com>,
	Andrey Konovalov <andreyknvl@gmail.com>,
	Dmitry Vyukov <dvyukov@google.com>
Subject: [PATCH v3 7/9] mm: kasan: Use is_kernel() helper
Date: Sun, 26 Sep 2021 15:20:46 +0800	[thread overview]
Message-ID: <20210926072048.190336-8-wangkefeng.wang@huawei.com> (raw)
In-Reply-To: <20210926072048.190336-1-wangkefeng.wang@huawei.com>

Directly use is_kernel() helper in kernel_or_module_addr().

Cc: Andrey Ryabinin <ryabinin.a.a@gmail.com>
Cc: Alexander Potapenko <glider@google.com>
Cc: Andrey Konovalov <andreyknvl@gmail.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
---
 mm/kasan/report.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/kasan/report.c b/mm/kasan/report.c
index 3239fd8f8747..1c955e1c98d5 100644
--- a/mm/kasan/report.c
+++ b/mm/kasan/report.c
@@ -226,7 +226,7 @@ static void describe_object(struct kmem_cache *cache, void *object,
 
 static inline bool kernel_or_module_addr(const void *addr)
 {
-	if (addr >= (void *)_stext && addr < (void *)_end)
+	if (is_kernel((unsigned long)addr))
 		return true;
 	if (is_module_address((unsigned long)addr))
 		return true;
-- 
2.26.2


  parent reply	other threads:[~2021-09-26  7:18 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-26  7:20 [PATCH v3 0/9] sections: Unify kernel sections range check and use Kefeng Wang
2021-09-26  7:20 ` [PATCH v3 1/9] kallsyms: Remove arch specific text and data check Kefeng Wang
2021-09-26  7:20 ` [PATCH v3 2/9] kallsyms: Fix address-checks for kernel related range Kefeng Wang
2021-09-26  7:20 ` [PATCH v3 3/9] sections: Move and rename core_kernel_data() to is_kernel_core_data() Kefeng Wang
2021-09-26  7:20 ` [PATCH v3 4/9] sections: Move is_kernel_inittext() into sections.h Kefeng Wang
2021-09-26  7:20 ` [PATCH v3 5/9] x86: mm: Rename __is_kernel_text() to is_x86_32_kernel_text() Kefeng Wang
2021-09-26  7:20 ` [PATCH v3 6/9] sections: Provide internal __is_kernel() and __is_kernel_text() helper Kefeng Wang
2021-09-26  7:20 ` Kefeng Wang [this message]
2021-09-26  7:20 ` [PATCH v3 8/9] extable: Use is_kernel_text() helper Kefeng Wang
2021-09-26  7:20 ` [PATCH v3 9/9] powerpc/mm: Use is_kernel_text() and is_kernel_inittext() helper Kefeng Wang
2021-09-28 17:51   ` Christophe Leroy
2021-09-29  1:14     ` Kefeng Wang

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