200- 201:login: DF-1075: kmalloc(0) returned 0xfffffffffffffff8 (ZERO_LENGTH_PTR expected 0xfffffffffffffff8) 202:DF-1075: NULL check would PASS (BUG: missed) (bug: sentinel is non-NULL) 203:DF-1075: about to memcpy 6 bytes into &mcfilters[0] = 0xfffffffffffffff8 204:DF-1075: THIS SHOULD PANIC WITH: Fatal trap 12: page fault 205- 206- 207:Fatal trap 12: page fault while in kernel mode 208-cpuid = 5; lapic id = 5 209:fault virtual address = 0xfffffffffffffff8 210-fault code = supervisor write data, page not present 211-instruction pointer = 0x8:0xffffffff82600091 -- 222- stopped 223:Stopped at df1075_modevent+0x91: movl $0x3333,(%rbx) 224-db>