diff mbox series

[5.10,028/152] riscv: Fix KASAN memory mapping.

Message ID 20210118113354.130434971@linuxfoundation.org
State New
Headers show
Series None | expand

Commit Message

Greg Kroah-Hartman Jan. 18, 2021, 11:33 a.m. UTC
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(-)
diff mbox series

Patch

--- 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;