From 19c77acfeecceb73580e3c9275f39a83ce7dd2de Mon Sep 17 00:00:00 2001
From: Lecopzer Chen <lecopzer@gmail.com>
Date: Sat, 23 Jan 2021 21:01:29 -0800
Subject: [PATCH] UPSTREAM: kasan: fix incorrect arguments passing in
 kasan_add_zero_shadow

[ Upstream commit 5dabd1712cd056814f9ab15f1d68157ceb04e741 ]

kasan_remove_zero_shadow() shall use original virtual address, start and
size, instead of shadow address.

Link: https://lkml.kernel.org/r/20210103063847.5963-1-lecopzer@gmail.com
Fixes: 0207df4fa1a86 ("kernel/memremap, kasan: make ZONE_DEVICE with work with KASAN")
Signed-off-by: Lecopzer Chen <lecopzer.chen@mediatek.com>
Reviewed-by: Andrey Konovalov <andreyknvl@google.com>
Cc: Andrey Ryabinin <aryabinin@virtuozzo.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Alexander Potapenko <glider@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Bug: 172318110
Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
Change-Id: I924ce60f3f4efb55989c3dade3bc8d5905c401b6