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Message-ID: <20210113022410.9057-1-nylon7@andestech.com>
Date: Wed, 13 Jan 2021 10:24:10 +0800
From: Nylon Chen <nylon7@...estech.com>
To: <linux-riscv@...ts.infradead.org>, <linux-kernel@...r.kernel.org>
CC: <kasan-dev@...glegroups.com>, <aou@...s.berkeley.edu>,
<palmer@...belt.com>, <paul.walmsley@...ive.com>,
<dvyukov@...gle.com>, <glider@...gle.com>,
<aryabinin@...tuozzo.com>, <alankao@...estech.com>,
<nickhu@...estech.com>, <nylon7@...estech.com>
Subject: [PATCH 1/1] riscv: Fix KASAN memory mapping.
From: Nick Hu <nickhu@...estech.com>
Use virtual address instead of physical address when translating
the address to shadow memory by kasan_mem_to_shadow().
Signed-off-by: Nick Hu <nickhu@...estech.com>
Signed-off-by: Nylon Chen <nylon7@...estech.com>
---
arch/riscv/mm/kasan_init.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/riscv/mm/kasan_init.c b/arch/riscv/mm/kasan_init.c
index 12ddd1f6bf70..a8a2ffd9114a 100644
--- a/arch/riscv/mm/kasan_init.c
+++ b/arch/riscv/mm/kasan_init.c
@@ -93,8 +93,8 @@ void __init kasan_init(void)
VMALLOC_END));
for_each_mem_range(i, &_start, &_end) {
- void *start = (void *)_start;
- void *end = (void *)_end;
+ void *start = (void *)__va(_start);
+ void *end = (void *)__va(_end);
if (start >= end)
break;
--
2.17.1
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