On 09. 03. 2023. 22:23, Thomas Weißschuh wrote: Very well, but who then destroys the cache crated here: security/integrity/iint.c:177-179 > 177 iint_cache = > 178 kmem_cache_create("iint_cache", sizeof(struct integrity_iint_cache), > 179 0, SLAB_PANIC, init_once); I assumed that it must have been done from iint.c because iint_cache is static? BTW, moving check for !ktype->release to kobject_init() is great for it might make such problems noticed in dmesg, rather than taking screenshots. Regards, -- Mirsad Goran Todorovac Sistem inženjer Grafički fakultet | Akademija likovnih umjetnosti Sveučilište u Zagrebu System engineer Faculty of Graphic Arts | Academy of Fine Arts University of Zagreb, Republic of Croatia The European Union