From: ard.biesheuvel@linaro.org (Ard Biesheuvel)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 2/3] arm64: ptdump: add region marker for kasan shadow region
Date: Mon, 22 Feb 2016 11:00:38 +0100 [thread overview]
Message-ID: <1456135239-3607-3-git-send-email-ard.biesheuvel@linaro.org> (raw)
In-Reply-To: <1456135239-3607-1-git-send-email-ard.biesheuvel@linaro.org>
Annotate the KASAN shadow region with boundary markers, so that its
mappings stand out in the page table dumper output.
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
---
arch/arm64/mm/dump.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/arch/arm64/mm/dump.c b/arch/arm64/mm/dump.c
index eadcb70e733c..12e4b1732303 100644
--- a/arch/arm64/mm/dump.c
+++ b/arch/arm64/mm/dump.c
@@ -23,6 +23,7 @@
#include <linux/seq_file.h>
#include <asm/fixmap.h>
+#include <asm/kasan.h>
#include <asm/memory.h>
#include <asm/pgtable.h>
#include <asm/pgtable-hwdef.h>
@@ -35,6 +36,10 @@ struct addr_marker {
};
static struct addr_marker address_markers[] = {
+#ifdef CONFIG_KASAN
+ { KASAN_SHADOW_START, "Kasan shadow start" },
+ { KASAN_SHADOW_END, "Kasan shadow end" },
+#endif
{ MODULES_VADDR, "Modules start" },
{ MODULES_END, "Modules end" },
{ VMALLOC_START, "vmalloc() Area" },
--
2.5.0
next prev parent reply other threads:[~2016-02-22 10:00 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-02-22 10:00 [PATCH 0/3] arm64 pt dumper changes Ard Biesheuvel
2016-02-22 10:00 ` [PATCH 1/3] arm64: ptdump: use static initializers for vmemmap region boundaries Ard Biesheuvel
2016-02-22 11:33 ` Mark Rutland
2016-02-22 19:37 ` Laura Abbott
2016-02-22 10:00 ` Ard Biesheuvel [this message]
2016-02-22 11:33 ` [PATCH 2/3] arm64: ptdump: add region marker for kasan shadow region Mark Rutland
2016-02-22 10:00 ` [PATCH 3/3] arm64: ptdump: include UEFI runtime service mappings Ard Biesheuvel
2016-02-22 11:29 ` Mark Rutland
2016-02-22 11:51 ` Ard Biesheuvel
2016-02-22 19:04 ` Kees Cook
2016-04-22 14:11 ` [PATCH 0/3] arm64 pt dumper changes Catalin Marinas
2016-04-22 14:15 ` Ard Biesheuvel
2016-04-22 14:25 ` Mark Rutland
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