lkml.org 
[lkml]   [2021]   [Jan]   [18]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 5.10 028/152] riscv: Fix KASAN memory mapping.
Date
From: Nick Hu <nickhu@andestech.com>

commit c25a053e15778f6b4d6553708673736e27a6c2cf upstream.

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>
Fixes: b10d6bca8720 ("arch, drivers: replace for_each_membock() with for_each_mem_range()")
Cc: stable@vger.kernel.org
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
arch/riscv/mm/kasan_init.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

--- 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;

\
 
 \ /
  Last update: 2021-01-18 19:29    [W:1.847 / U:0.084 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site