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author | Andrey Konovalov <andreyknvl@google.com> | 2023-10-06 18:18:44 +0300 |
---|---|---|
committer | Andrew Morton <akpm@linux-foundation.org> | 2023-10-19 00:34:15 +0300 |
commit | 01a5ad81637672940844052404678678a0ec8854 (patch) | |
tree | 717185ce865a29e3d86ae9075c03b6a03c640feb /mm/kasan/shadow.c | |
parent | d7196d87a1559db9ece24852e6167061b199d58d (diff) | |
download | linux-01a5ad81637672940844052404678678a0ec8854.tar.xz |
kasan: use unchecked __memset internally
KASAN code is supposed to use the unchecked __memset implementation when
accessing its metadata.
Change uses of memset to __memset in mm/kasan/.
Link: https://lkml.kernel.org/r/6f621966c6f52241b5aaa7220c348be90c075371.1696605143.git.andreyknvl@google.com
Fixes: 59e6e098d1c1 ("kasan: introduce kasan_complete_mode_report_info")
Fixes: 3c5c3cfb9ef4 ("kasan: support backing vmalloc space with real shadow memory")
Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
Reviewed-by: Marco Elver <elver@google.com>
Cc: Alexander Potapenko <glider@google.com>
Cc: Andrey Ryabinin <ryabinin.a.a@gmail.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: kernel test robot <lkp@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/kasan/shadow.c')
-rw-r--r-- | mm/kasan/shadow.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/kasan/shadow.c b/mm/kasan/shadow.c index dd772f9d0f08..d687f09a7ae3 100644 --- a/mm/kasan/shadow.c +++ b/mm/kasan/shadow.c @@ -324,7 +324,7 @@ static int kasan_populate_vmalloc_pte(pte_t *ptep, unsigned long addr, if (!page) return -ENOMEM; - memset((void *)page, KASAN_VMALLOC_INVALID, PAGE_SIZE); + __memset((void *)page, KASAN_VMALLOC_INVALID, PAGE_SIZE); pte = pfn_pte(PFN_DOWN(__pa(page)), PAGE_KERNEL); spin_lock(&init_mm.page_table_lock); |