On Mon, 28 Mar 2022 at 17:54, Muchun Song <songmuchun@xxxxxxxxxxxxx> wrote: [...] > > > > > > Btw, how did you test this? > > > > > I have tested it with syzkaller with the following configs. > And I didn't find any issues. > > CONFIG_KFENCE=y > CONFIG_KFENCE_SAMPLE_INTERVAL=10 > CONFIG_KFENCE_NUM_OBJECTS=2550 > CONFIG_KFENCE_DEFERRABLE=n > CONFIG_KFENCE_STATIC_KEYS=y > CONFIG_KFENCE_STRESS_TEST_FAULTS=0 Hmm, I would have expected that you have some definitive test case that shows the issue, and with the patch the issue is gone. Were there issues triggered by syzkaller w/o this patch? Thanks, -- Marco