The quilt patch titled
Subject: kasan: use virt_addr_valid in kasan_addr_to_page/slab
has been removed from the -mm tree. Its filename was
kasan-use-virt_addr_valid-in-kasan_addr_to_page-slab.patch
This patch was dropped because it was merged into the mm-stable branch
of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
------------------------------------------------------
From: Andrey Konovalov <andreyknvl@xxxxxxxxxx>
Subject: kasan: use virt_addr_valid in kasan_addr_to_page/slab
Date: Mon, 5 Sep 2022 23:05:37 +0200
Instead of open-coding the validity checks for addr in
kasan_addr_to_page/slab(), use the virt_addr_valid() helper.
Link: https://lkml.kernel.org/r/c22a4850d74d7430f8a6c08216fd55c2860a2b9e.1662411799.git.andreyknvl@xxxxxxxxxx
Signed-off-by: Andrey Konovalov <andreyknvl@xxxxxxxxxx>
Reviewed-by: Marco Elver <elver@xxxxxxxxxx>
Cc: Alexander Potapenko <glider@xxxxxxxxxx>
Cc: Andrey Ryabinin <ryabinin.a.a@xxxxxxxxx>
Cc: Dmitry Vyukov <dvyukov@xxxxxxxxxx>
Cc: Evgenii Stepanov <eugenis@xxxxxxxxxx>
Cc: Peter Collingbourne <pcc@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/kasan/report.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- a/mm/kasan/report.c~kasan-use-virt_addr_valid-in-kasan_addr_to_page-slab
+++ a/mm/kasan/report.c
@@ -208,14 +208,14 @@ static void print_track(struct kasan_tra
struct page *kasan_addr_to_page(const void *addr)
{
- if ((addr >= (void *)PAGE_OFFSET) && (addr < high_memory))
+ if (virt_addr_valid(addr))
return virt_to_head_page(addr);
return NULL;
}
struct slab *kasan_addr_to_slab(const void *addr)
{
- if ((addr >= (void *)PAGE_OFFSET) && (addr < high_memory))
+ if (virt_addr_valid(addr))
return virt_to_slab(addr);
return NULL;
}
_
Patches currently in -mm which might be from andreyknvl@xxxxxxxxxx are
kasan-fix-array-bounds-warnings-in-tests.patch
