From: Alexander Potapenko <glider@google.com>
To: adech.fo@gmail.com, cl@linux.com, dvyukov@google.com,
akpm@linux-foundation.org, ryabinin.a.a@gmail.com,
rostedt@goodmis.org
Cc: kasan-dev@googlegroups.com, linux-kernel@vger.kernel.org,
linux-mm@kvack.org
Subject: [PATCH v1 6/8] kasan: Test fix: Warn if the UAF could not be detected in kmalloc_uaf2
Date: Wed, 27 Jan 2016 19:25:11 +0100 [thread overview]
Message-ID: <543521b8a452188f870cd0e87fabb80e32d9e1a1.1453918525.git.glider@google.com> (raw)
In-Reply-To: <cover.1453918525.git.glider@google.com>
In-Reply-To: <cover.1453918525.git.glider@google.com>
Signed-off-by: Alexander Potapenko <glider@google.com>
---
lib/test_kasan.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/lib/test_kasan.c b/lib/test_kasan.c
index 66dd92f..5498a78 100644
--- a/lib/test_kasan.c
+++ b/lib/test_kasan.c
@@ -286,6 +286,8 @@ 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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next prev parent reply other threads:[~2016-01-27 18:25 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-01-27 18:25 [PATCH v1 0/8] SLAB support for KASAN Alexander Potapenko
2016-01-27 18:25 ` [PATCH v1 1/8] kasan: Change the behavior of kmalloc_large_oob_right test Alexander Potapenko
2016-02-02 5:34 ` Andrew Morton
2016-02-02 15:29 ` Andrey Ryabinin
2016-02-02 16:25 ` Alexander Potapenko
2016-02-15 14:05 ` Alexander Potapenko
2016-01-27 18:25 ` [PATCH v1 2/8] mm, kasan: SLAB support Alexander Potapenko
2016-01-28 7:44 ` Joonsoo Kim
2016-01-28 12:37 ` Alexander Potapenko
2016-01-28 13:29 ` Alexander Potapenko
2016-02-01 2:15 ` Joonsoo Kim
2016-02-18 12:58 ` Alexander Potapenko
2016-02-19 1:41 ` Joonsoo Kim
2016-02-19 12:57 ` Alexander Potapenko
2016-01-27 18:25 ` [PATCH v1 3/8] mm, kasan: Added GFP flags to KASAN API Alexander Potapenko
2016-01-27 18:25 ` [PATCH v1 4/8] arch, ftrace: For KASAN put hard/soft IRQ entries into separate sections Alexander Potapenko
2016-01-28 14:53 ` Steven Rostedt
2016-01-29 11:33 ` Alexander Potapenko
2016-01-29 11:59 ` Alexander Potapenko
2016-01-29 14:45 ` Steven Rostedt
2016-02-16 15:32 ` Alexander Potapenko
2016-01-27 18:25 ` [PATCH v1 5/8] mm, kasan: Stackdepot implementation. Enable stackdepot for SLAB Alexander Potapenko
2016-01-28 7:40 ` Joonsoo Kim
2016-01-28 12:51 ` Alexander Potapenko
2016-01-28 13:27 ` Alexander Potapenko
2016-02-01 2:55 ` Joonsoo Kim
2016-02-16 18:37 ` Alexander Potapenko
2016-02-17 18:29 ` Alexander Potapenko
2016-02-18 8:13 ` Joonsoo Kim
2016-02-18 15:01 ` Alexander Potapenko
2016-02-18 7:58 ` Joonsoo Kim
2016-01-27 18:25 ` Alexander Potapenko [this message]
2016-01-27 18:25 ` [PATCH v1 7/8] kasan: Changed kmalloc_large_oob_right, added kmalloc_pagealloc_oob_right Alexander Potapenko
2016-01-27 18:25 ` [PATCH v1 8/8] mm: kasan: Initial memory quarantine implementation Alexander Potapenko
2016-02-01 2:47 ` Joonsoo Kim
2016-02-18 14:06 ` Alexander Potapenko
2016-02-19 2:11 ` Joonsoo Kim
2016-02-19 9:19 ` Dmitry Vyukov
2016-02-19 15:43 ` Christoph Lameter
2016-02-23 7:23 ` Joonsoo Kim
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