kasan: fix incorrect arguments passing in kasan_add_zero_shadow
authorLecopzer Chen <lecopzer@gmail.com>
Sun, 24 Jan 2021 05:01:29 +0000 (21:01 -0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 27 Jan 2021 10:55:23 +0000 (11:55 +0100)
commitfee5a83dfc4af016b8cd957d8bd4e289954588ef
treed8ab02ff63a851f9fb0502bee298dbb80825f539
parentecd63f04e72879b7c85c9e12698d2a3aabe34c94
kasan: fix incorrect arguments passing in kasan_add_zero_shadow

commit 5dabd1712cd056814f9ab15f1d68157ceb04e741 upstream.

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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
mm/kasan/init.c