| Message ID | 20220309014705.1265861-1-liupeng256@huawei.com (mailing list archive) |
|---|---|
| Headers | show |
| Series | kunit: fix a UAF bug and do some optimization | expand |
On Wed, 9 Mar 2022 at 02:29, 'Peng Liu' via kasan-dev <kasan-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_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@googlegroups.com. > To view this discussion on the web visit https://groups.google.com/d/msgid/kasan-dev/20220309014705.1265861-1-liupeng256%40huawei.com.
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@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_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 >> >> -- >> 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@googlegroups.com. >> To view this discussion on the web visit https://groups.google.com/d/msgid/kasan-dev/20220309014705.1265861-1-liupeng256%40huawei.com. > .