From 982740822cc452957eb9ea5f0c963cf7fa9a1cd4 Mon Sep 17 00:00:00 2001
From: Kefeng Wang <wangkefeng.wang@huawei.com>
Date: Wed, 25 May 2022 20:08:04 +0800
Subject: [PATCH] UPSTREAM: 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: c056a364e954 ("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>
Bug: 254721825
(cherry picked from commit fbf4df0699926cf620b2f722ddc213826e248962)
Change-Id: Ia1b878b080bce0b112dcf96dc4dcef42ae30a018
Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
---
 mm/kasan/report.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/kasan/report.c b/mm/kasan/report.c
index e393d5c35e19..bd472838b829 100644
--- a/mm/kasan/report.c
+++ b/mm/kasan/report.c
@@ -334,7 +334,7 @@ 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);
 		}
 	}