On Sat, Mar 28, 2020 at 10:50 PM Kees Cook <keescook@xxxxxxxxxxxx> wrote: > > On Sat, Mar 28, 2020 at 08:56:36PM +0100, KP Singh wrote: > > Since the attachment succeeds and the hook does not get called, it > > seems like "bpf" LSM is not being initialized and the hook, although > > present, does not get called. > > > > This indicates that "bpf" is not in CONFIG_LSM. It should, however, be > > there by default as we added it to default value of CONFIG_LSM and > > also for other DEFAULT_SECURITY_* options. > > > > Let me know if that's the case and it fixes it. > > Is the selftest expected to at least fail cleanly (i.e. not segfault) I am not sure where the crash comes from, it does not look like it's test_lsm, it seems to happen in test_overhead. Both seem to run fine for me. - KP > when the BPF LSF is not built into the kernel? > > -- > Kees Cook
