Re: [PATCH 0/3] kunit: fix a UAF bug and do some optimization

[liupeng (DM)]

Good, I will send a revised series latter.

On 2022/3/9 14:12, Marco Elver wrote:
> On Wed, 9 Mar 2022 at 02:29, 'Peng Liu' via kasan-dev
> <kasan-dev@xxxxxxxxxxxxxxxx> 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_DYNAMIC_OBJECTS = 65535. Furthermore, some optimization
> > for kunit tests has been done.
> Yeah, I've observed this problem before, so thanks for fixing.
>
> It's CONFIG_KFENCE_NUM_OBJECTS (not "DYNAMIC") - please fix in all patches.
Sorry for this mistake, I will check it in all patches.
> > Peng Liu (3):
> >    kunit: fix UAF when run kfence test case test_gfpzero
> >    kunit: make kunit_test_timeout compatible with comment
> >    kfence: test: try to avoid test_gfpzero trigger rcu_stall
> >
> >   lib/kunit/try-catch.c   | 3 ++-
> >   mm/kfence/kfence_test.c | 3 ++-
> >   2 files changed, 4 insertions(+), 2 deletions(-)
> >
> > --
> > 2.18.0.huawei.25
> >
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