From: Kefeng Wang <wangkefeng.wang@huawei.com>
Date: Wed, 25 May 2022 12:08:04 +0000 (+0800)
Subject: mm: kasan: fix input of vmalloc_to_page()
X-Git-Tag: baikal/aarch64/sdk6.1~3894^2~2
X-Git-Url: https://git.baikalelectronics.ru/sdk/?a=commitdiff_plain;h=6d944c937b3cb9b51d84795971de967f3b5a577c;p=kernel.git

mm: kasan: fix input of vmalloc_to_page()

When print virtual mapping info for vmalloc address, it should pass
the addr not page, fix it.

Link: https://lkml.kernel.org/r/20220525120804.38155-1-wangkefeng.wang@huawei.com
Fixes: 15fefde98845 ("kasan: print virtual mapping info in reports")
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Reviewed-by: Andrey Konovalov <andreyknvl@gmail.com>
Cc: Andrey Ryabinin <ryabinin.a.a@gmail.com>
Cc: Alexander Potapenko <glider@google.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Vincenzo Frascino <vincenzo.frascino@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

diff --git a/mm/kasan/report.c b/mm/kasan/report.c
index 199d77cce21a3..b341a191651d3 100644
--- a/mm/kasan/report.c
+++ b/mm/kasan/report.c
@@ -347,7 +347,7 @@ static void print_address_description(void *addr, u8 tag)
 			       va->addr, va->addr + va->size, va->caller);
 			pr_err("\n");
 
-			page = vmalloc_to_page(page);
+			page = vmalloc_to_page(addr);
 		}
 	}