Re: [PATCH v4 6/7] kasan: Test fix: Warn if the UAF could not be detected in kmalloc_uaf2
From: Andrey Ryabinin <ryabinin.a.a@gmail.com>
Date: 2016-02-29 16:31:41
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On 02/26/2016 07:48 PM, Alexander Potapenko wrote:
Signed-off-by: Alexander Potapenko <glider@google.com> --- lib/test_kasan.c | 2 ++ 1 file changed, 2 insertions(+)
Acked-by: Andrey Ryabinin <redacted>
quoted hunk ↗ jump to hunk
diff --git a/lib/test_kasan.c b/lib/test_kasan.c index 90ad74f..82169fb 100644 --- a/lib/test_kasan.c +++ b/lib/test_kasan.c@@ -294,6 +294,8 @@ static noinline void __init kmalloc_uaf2(void) } ptr1[40] = 'x'; + if (ptr1 == ptr2) + pr_err("Could not detect use-after-free: ptr1 == ptr2\n"); kfree(ptr2); }
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