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Message-Id: <543521b8a452188f870cd0e87fabb80e32d9e1a1.1453918525.git.glider@google.com>
Date: Wed, 27 Jan 2016 19:25:11 +0100
From: Alexander Potapenko <glider@...gle.com>
To: adech.fo@...il.com, cl@...ux.com, dvyukov@...gle.com,
akpm@...ux-foundation.org, ryabinin.a.a@...il.com,
rostedt@...dmis.org
Cc: kasan-dev@...glegroups.com, linux-kernel@...r.kernel.org,
linux-mm@...ck.org
Subject: [PATCH v1 6/8] kasan: Test fix: Warn if the UAF could not be detected in kmalloc_uaf2
Signed-off-by: Alexander Potapenko <glider@...gle.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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