On Thu, 2025-02-20 at 15:22 -0500, Mimi Zohar wrote: > On Thu, 2025-02-20 at 20:13 +0100, Petr Vorel wrote: > > > On Thu, 2025-02-20 at 19:16 +0100, Petr Vorel wrote: > > > > Hi Mimi, > > > > > > > Kernel patch "ima: limit the number of ToMToU integrity violations" > > > > > prevents superfluous ToMToU violations. Add corresponding LTP tests. > > > > > > > Link: > > > > > https://lore.kernel.org/linux-integrity/20250219162131.416719-3-zohar@xxxxxxxxxxxxx/ > > > > > Signed-off-by: Mimi Zohar <zohar@xxxxxxxxxxxxx> > > > > > > Unfortunately tests fail on both mainline kernel and kernel with your patches. > > > > > The new LTP IMA violations patches should fail without the associated kernel > > > patches. > > > > > > Any hint what could be wrong? > > > > > Of course it's dependent on the IMA policy. The tests assume being booted with the > > > IMA > > > TCB measurement policy or similar policy being loaded. Can you share the IMA > > > policy? > > > e.g. cat /sys/kernel/security/ima/policy > > > > > thanks, > > > > > Mimi > > > > Now testing on kernel *with* your patches. First run always fails, regardless > > whether using ima_policy=tcb or > > /opt/ltp/testcases/data/ima_violations/violations.policy). > > > > Kind regards, > > Petr > > I'm not seeing that on my test machine. Could there be other things running on your > system causing violations. In anycase, your original test was less exacting. > Similarly, > instead of "-eq", try using "-qe" in the following test and removing the subsequent new > "gt" test. -> "-ge" > > if [ $(($num_violations_new - $num_violations)) -eq $expected_violations ]; then >