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Groups > linux.kernel > #1357146
| From | Alexander Potapenko <glider@google.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH v7 6/7] kasan: Test fix: Warn if the UAF could not be detected in kmalloc_uaf2 |
| Date | 2016-03-14 11:50 +0100 |
| Message-ID | <rcyeu-2Bi-21@gated-at.bofh.it> (permalink) |
| References | <rcyet-2Bi-3@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
Signed-off-by: Alexander Potapenko <glider@google.com>
Acked-by: Andrey Ryabinin <aryabinin@virtuozzo.com>
---
lib/test_kasan.c | 2 ++
1 file changed, 2 insertions(+)
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);
}
--
2.7.0.rc3.207.g0ac5344
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[PATCH v7 0/7] SLAB support for KASAN Alexander Potapenko <glider@google.com> - 2016-03-14 11:50 +0100 [PATCH v7 7/7] mm: kasan: Initial memory quarantine implementation Alexander Potapenko <glider@google.com> - 2016-03-14 11:50 +0100 [PATCH v7 4/7] arch, ftrace: For KASAN put hard/soft IRQ entries into separate sections Alexander Potapenko <glider@google.com> - 2016-03-14 11:50 +0100 [PATCH v7 6/7] kasan: Test fix: Warn if the UAF could not be detected in kmalloc_uaf2 Alexander Potapenko <glider@google.com> - 2016-03-14 11:50 +0100 [PATCH v7 2/7] mm, kasan: SLAB support Alexander Potapenko <glider@google.com> - 2016-03-14 11:50 +0100
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