From: Andrey Konovalov <andreyknvl@gmail.com>
To: Kefeng Wang <wangkefeng.wang@huawei.com>
Cc: Arnd Bergmann <arnd@arndb.de>,
linux-arch@vger.kernel.org, LKML <linux-kernel@vger.kernel.org>,
linuxppc-dev@lists.ozlabs.org,
Steven Rostedt <rostedt@goodmis.org>,
mingo@redhat.com, David Miller <davem@davemloft.net>,
Alexei Starovoitov <ast@kernel.org>,
Andrey Ryabinin <ryabinin.a.a@gmail.com>,
Andrew Morton <akpm@linux-foundation.org>,
mpe@ellerman.id.au, benh@kernel.crashing.org, paulus@samba.org,
bpf <bpf@vger.kernel.org>,
linux-alpha@vger.kernel.org,
Christophe Leroy <christophe.leroy@csgroup.eu>,
Alexander Potapenko <glider@google.com>,
Dmitry Vyukov <dvyukov@google.com>
Subject: Re: [PATCH v4 07/11] mm: kasan: Use is_kernel() helper
Date: Sun, 3 Oct 2021 19:19:12 +0200 [thread overview]
Message-ID: <CA+fCnZd6=sXgb-782KkijqJ7zgBj38oXLeLbi4HoUhm3MY4J8g@mail.gmail.com> (raw)
In-Reply-To: <20210930071143.63410-8-wangkefeng.wang@huawei.com>
On Thu, Sep 30, 2021 at 9:09 AM Kefeng Wang <wangkefeng.wang@huawei.com> wrote:
>
> 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
>
Reviewed-by: Andrey Konovalov <andreyknvl@gmail.com>
next prev parent reply other threads:[~2021-10-03 17:19 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-30 7:11 [PATCH v4 00/11] sections: Unify kernel sections range check and use Kefeng Wang
2021-09-30 7:11 ` [PATCH v4 01/11] kallsyms: Remove arch specific text and data check Kefeng Wang
2021-09-30 7:11 ` [PATCH v4 02/11] kallsyms: Fix address-checks for kernel related range Kefeng Wang
2021-09-30 7:11 ` [PATCH v4 03/11] sections: Move and rename core_kernel_data() to is_kernel_core_data() Kefeng Wang
2021-09-30 7:11 ` [PATCH v4 04/11] sections: Move is_kernel_inittext() into sections.h Kefeng Wang
2021-09-30 7:11 ` [PATCH v4 05/11] x86: mm: Rename __is_kernel_text() to is_x86_32_kernel_text() Kefeng Wang
2021-09-30 7:11 ` [PATCH v4 06/11] sections: Provide internal __is_kernel() and __is_kernel_text() helper Kefeng Wang
2021-09-30 7:11 ` [PATCH v4 07/11] mm: kasan: Use is_kernel() helper Kefeng Wang
2021-09-30 15:45 ` Alexander Potapenko
2021-10-03 17:19 ` Andrey Konovalov [this message]
2021-09-30 7:11 ` [PATCH v4 08/11] extable: Use is_kernel_text() helper Kefeng Wang
2021-09-30 7:11 ` [PATCH v4 09/11] powerpc/mm: Use core_kernel_text() helper Kefeng Wang
2021-09-30 7:11 ` [PATCH v4 10/11] microblaze: Use is_kernel_text() helper Kefeng Wang
2021-09-30 10:13 ` Michal Simek
2021-09-30 7:11 ` [PATCH v4 11/11] alpha: " Kefeng Wang
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