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. > 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 > > -- > You received this message because you are subscribed to the Google Groups "kasan-dev" group. > To unsubscribe from this group and stop receiving emails from it, send an email to kasan-dev+unsubscribe@xxxxxxxxxxxxxxxx. > To view this discussion on the web visit https://groups.google.com/d/msgid/kasan-dev/20220309014705.1265861-1-liupeng256%40huawei.com.
