From: Lecopzer Chen <lecopzer.chen@mediatek.com>
To: <linux-arm-kernel@lists.infradead.org>,
<linux-kernel@vger.kernel.org>, <kasan-dev@googlegroups.com>,
<catalin.marinas@arm.com>, <will@kernel.org>
Cc: <ryabinin.a.a@gmail.com>, <glider@google.com>,
<andreyknvl@gmail.com>, <dvyukov@google.com>,
<akpm@linux-foundation.org>, <tyhicks@linux.microsoft.com>,
<maz@kernel.org>, <rppt@kernel.org>, <linux@roeck-us.net>,
<gustavoars@kernel.org>, <yj.chiang@mediatek.com>,
Lecopzer Chen <lecopzer.chen@mediatek.com>
Subject: [PATCH v4 3/5] arm64: Kconfig: support CONFIG_KASAN_VMALLOC
Date: Wed, 24 Mar 2021 12:05:20 +0800 [thread overview]
Message-ID: <20210324040522.15548-4-lecopzer.chen@mediatek.com> (raw)
In-Reply-To: <20210324040522.15548-1-lecopzer.chen@mediatek.com>
We can backed shadow memory in vmalloc area after vmalloc area
isn't populated at kasan_init(), thus make KASAN_VMALLOC selectable.
Signed-off-by: Lecopzer Chen <lecopzer.chen@mediatek.com>
Acked-by: Andrey Konovalov <andreyknvl@gmail.com>
Tested-by: Andrey Konovalov <andreyknvl@gmail.com>
Tested-by: Ard Biesheuvel <ardb@kernel.org>
---
arch/arm64/Kconfig | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index 5656e7aacd69..3e54fa938234 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -138,6 +138,7 @@ config ARM64
select HAVE_ARCH_JUMP_LABEL
select HAVE_ARCH_JUMP_LABEL_RELATIVE
select HAVE_ARCH_KASAN if !(ARM64_16K_PAGES && ARM64_VA_BITS_48)
+ select HAVE_ARCH_KASAN_VMALLOC if HAVE_ARCH_KASAN
select HAVE_ARCH_KASAN_SW_TAGS if HAVE_ARCH_KASAN
select HAVE_ARCH_KASAN_HW_TAGS if (HAVE_ARCH_KASAN && ARM64_MTE)
select HAVE_ARCH_KFENCE
--
2.25.1
WARNING: multiple messages have this Message-ID (diff)
From: Lecopzer Chen <lecopzer.chen@mediatek.com>
To: <linux-arm-kernel@lists.infradead.org>,
<linux-kernel@vger.kernel.org>, <kasan-dev@googlegroups.com>,
<catalin.marinas@arm.com>, <will@kernel.org>
Cc: <ryabinin.a.a@gmail.com>, <glider@google.com>,
<andreyknvl@gmail.com>, <dvyukov@google.com>,
<akpm@linux-foundation.org>, <tyhicks@linux.microsoft.com>,
<maz@kernel.org>, <rppt@kernel.org>, <linux@roeck-us.net>,
<gustavoars@kernel.org>, <yj.chiang@mediatek.com>,
Lecopzer Chen <lecopzer.chen@mediatek.com>
Subject: [PATCH v4 3/5] arm64: Kconfig: support CONFIG_KASAN_VMALLOC
Date: Wed, 24 Mar 2021 12:05:20 +0800 [thread overview]
Message-ID: <20210324040522.15548-4-lecopzer.chen@mediatek.com> (raw)
In-Reply-To: <20210324040522.15548-1-lecopzer.chen@mediatek.com>
We can backed shadow memory in vmalloc area after vmalloc area
isn't populated at kasan_init(), thus make KASAN_VMALLOC selectable.
Signed-off-by: Lecopzer Chen <lecopzer.chen@mediatek.com>
Acked-by: Andrey Konovalov <andreyknvl@gmail.com>
Tested-by: Andrey Konovalov <andreyknvl@gmail.com>
Tested-by: Ard Biesheuvel <ardb@kernel.org>
---
arch/arm64/Kconfig | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index 5656e7aacd69..3e54fa938234 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -138,6 +138,7 @@ config ARM64
select HAVE_ARCH_JUMP_LABEL
select HAVE_ARCH_JUMP_LABEL_RELATIVE
select HAVE_ARCH_KASAN if !(ARM64_16K_PAGES && ARM64_VA_BITS_48)
+ select HAVE_ARCH_KASAN_VMALLOC if HAVE_ARCH_KASAN
select HAVE_ARCH_KASAN_SW_TAGS if HAVE_ARCH_KASAN
select HAVE_ARCH_KASAN_HW_TAGS if (HAVE_ARCH_KASAN && ARM64_MTE)
select HAVE_ARCH_KFENCE
--
2.25.1
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http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2021-03-24 4:06 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-24 4:05 [PATCH v4 0/5] arm64: kasan: support CONFIG_KASAN_VMALLOC Lecopzer Chen
2021-03-24 4:05 ` Lecopzer Chen
2021-03-24 4:05 ` [PATCH v4 1/5] arm64: kasan: don't populate vmalloc area for CONFIG_KASAN_VMALLOC Lecopzer Chen
2021-03-24 4:05 ` Lecopzer Chen
2021-03-24 4:05 ` [PATCH v4 2/5] arm64: kasan: abstract _text and _end to KERNEL_START/END Lecopzer Chen
2021-03-24 4:05 ` Lecopzer Chen
2021-03-24 4:05 ` Lecopzer Chen [this message]
2021-03-24 4:05 ` [PATCH v4 3/5] arm64: Kconfig: support CONFIG_KASAN_VMALLOC Lecopzer Chen
2021-03-24 4:05 ` [PATCH v4 4/5] arm64: kaslr: support randomized module area with KASAN_VMALLOC Lecopzer Chen
2021-03-24 4:05 ` Lecopzer Chen
2021-03-24 4:05 ` [PATCH v4 5/5] arm64: Kconfig: select KASAN_VMALLOC if KANSAN_GENERIC is enabled Lecopzer Chen
2021-03-24 4:05 ` Lecopzer Chen
2021-03-29 12:54 ` Will Deacon
2021-03-29 12:54 ` Will Deacon
2021-03-30 8:14 ` Lecopzer Chen
2021-03-30 8:14 ` Lecopzer Chen
2021-03-30 15:41 ` Andrey Konovalov
2021-03-30 15:41 ` Andrey Konovalov
2021-03-29 12:28 ` [PATCH v4 0/5] arm64: kasan: support CONFIG_KASAN_VMALLOC Catalin Marinas
2021-03-29 12:28 ` Catalin Marinas
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