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UPSTREAM: kasan: test fix: warn if the UAF could not be detected in kmalloc_uaf2

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Signed-off-by: Alexander Potapenko <glider@google.com>
Acked-by: Andrey Ryabinin <aryabinin@virtuozzo.com>
Cc: Christoph Lameter <cl@linux.com>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: David Rientjes <rientjes@google.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Andrey Konovalov <adech.fo@gmail.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Konstantin Serebryany <kcc@google.com>
Cc: Dmitry Chernenkov <dmitryc@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

Bug: 64145065
(cherry-picked from 9dcadd381b)
Change-Id: I1111f642f21b3821d5e594e80d32db03fbce186c
Signed-off-by: Paul Lawrence <paullawrence@google.com>
This commit is contained in:
Alexander Potapenko 2016-03-25 14:22:11 -07:00 committed by Amit Pundir
parent b53bc4dbda
commit f2fcd0f292
1 changed files with 2 additions and 0 deletions
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2
lib/test_kasan.c
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@ -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);
}