* [PATCH 1/1] riscv: Fix KASAN memory mapping.
@ 2021-01-13 2:24 Nylon Chen
2021-01-14 4:57 ` Palmer Dabbelt
0 siblings, 1 reply; 2+ messages in thread
From: Nylon Chen @ 2021-01-13 2:24 UTC (permalink / raw)
To: linux-riscv, linux-kernel
Cc: kasan-dev, aou, palmer, paul.walmsley, dvyukov, glider,
aryabinin, alankao, nickhu, nylon7
From: Nick Hu <nickhu@andestech.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@andestech.com>
Signed-off-by: Nylon Chen <nylon7@andestech.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
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH 1/1] riscv: Fix KASAN memory mapping.
2021-01-13 2:24 [PATCH 1/1] riscv: Fix KASAN memory mapping Nylon Chen
@ 2021-01-14 4:57 ` Palmer Dabbelt
0 siblings, 0 replies; 2+ messages in thread
From: Palmer Dabbelt @ 2021-01-14 4:57 UTC (permalink / raw)
To: nylon7
Cc: linux-riscv, linux-kernel, kasan-dev, aou, Paul Walmsley,
dvyukov, glider, aryabinin, alankao, nickhu, nylon7
On Tue, 12 Jan 2021 18:24:10 PST (-0800), nylon7@andestech.com wrote:
> From: Nick Hu <nickhu@andestech.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@andestech.com>
> Signed-off-by: Nylon Chen <nylon7@andestech.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;
Thanks, this is on fixes.
^ permalink raw reply [flat|nested] 2+ messages in thread
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2021-01-13 2:24 [PATCH 1/1] riscv: Fix KASAN memory mapping Nylon Chen
2021-01-14 4:57 ` Palmer Dabbelt
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