diff options
| author | Andrey Konovalov <[email protected]> | 2020-08-06 23:25:12 -0700 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2020-08-07 11:33:28 -0700 |
| commit | 51dcc81c282dc401dfd8460a7e59546bc1b30e32 (patch) | |
| tree | 6bb00c4e1d7d7b7069c7eee6a14a20efd7de8ec5 | |
| parent | cae9dc35ed9ff82a99754e51d57ff6c332e1f7e4 (diff) | |
kasan: adjust kasan_stack_oob for tag-based mode
Use OOB_TAG_OFF as access offset to land the access into the next granule.
Suggested-by: Walter Wu <[email protected]>
Signed-off-by: Andrey Konovalov <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Cc: Alexander Potapenko <[email protected]>
Cc: Andrey Ryabinin <[email protected]>
Cc: Catalin Marinas <[email protected]>
Cc: Dmitry Vyukov <[email protected]>
Cc: Elena Petrova <[email protected]>
Cc: Marco Elver <[email protected]>
Cc: Vincenzo Frascino <[email protected]>
Cc: Ard Biesheuvel <[email protected]>
Link: http://lkml.kernel.org/r/403b259f1de49a7a3694531c851ac28326a586a8.1596199677.git.andreyknvl@google.com
Link: http://lkml.kernel.org/r/3063ab1411e92bce36061a96e25b651212e70ba6.1596544734.git.andreyknvl@google.com
Signed-off-by: Linus Torvalds <[email protected]>
| -rw-r--r-- | lib/test_kasan.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/test_kasan.c b/lib/test_kasan.c index f362f2662938..53e953bb1d1d 100644 --- a/lib/test_kasan.c +++ b/lib/test_kasan.c @@ -488,7 +488,7 @@ static noinline void __init kasan_global_oob(void) static noinline void __init kasan_stack_oob(void) { char stack_array[10]; - volatile int i = 0; + volatile int i = OOB_TAG_OFF; char *p = &stack_array[ARRAY_SIZE(stack_array) + i]; pr_info("out-of-bounds on stack\n"); |