From: Brendan Higgins <brendanhiggins@google.com>
To: Peng Liu <liupeng256@huawei.com>
Cc: glider@google.com, elver@google.com, dvyukov@google.com,
akpm@linux-foundation.org, linux-kselftest@vger.kernel.org,
kunit-dev@googlegroups.com, linux-kernel@vger.kernel.org,
kasan-dev@googlegroups.com, linux-mm@kvack.org,
wangkefeng.wang@huawei.com
Subject: Re: [PATCH v2 0/3] kunit: fix a UAF bug and do some optimization
Date: Thu, 10 Mar 2022 03:07:48 -0500 [thread overview]
Message-ID: <CAFd5g457_aWs2mbiD0Eq6Tz=8dpjJD9nHa+iK-RTe8H6kXwT=A@mail.gmail.com> (raw)
In-Reply-To: <20220309083753.1561921-1-liupeng256@huawei.com>
On Wed, Mar 9, 2022 at 3:19 AM 'Peng Liu' via KUnit Development
<kunit-dev@googlegroups.com> wrote:
>
> This series is to fix UAF when running kfence test case test_gfpzero,
> which is time costly. This UAF bug can be easily triggered by setting
> CONFIG_KFENCE_NUM_OBJECTS = 65535. Furthermore, some optimization for
> kunit tests has been done.
I was able to reproduce the error you described and can confirm that I
didn't see the UAF after applying your patches.
Tested-by: Brendan Higgins <brendanhiggins@google.com>
prev parent reply other threads:[~2022-03-10 8:08 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-03-09 8:37 Peng Liu
2022-03-09 8:37 ` [PATCH v2 1/3] kunit: fix UAF when run kfence test case test_gfpzero Peng Liu
2022-03-09 10:03 ` Marco Elver
2022-03-10 8:08 ` Brendan Higgins
2022-03-09 8:37 ` [PATCH v2 2/3] kunit: make kunit_test_timeout compatible with comment Peng Liu
2022-03-09 10:04 ` Marco Elver
2022-03-09 13:53 ` Daniel Latypov
2022-03-10 8:10 ` Brendan Higgins
2022-03-09 8:37 ` [PATCH v2 3/3] kfence: test: try to avoid test_gfpzero trigger rcu_stall Peng Liu
2022-03-09 8:31 ` Marco Elver
2022-03-10 8:07 ` Brendan Higgins [this message]
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