DF5624: cpu5 td=0xfffff8008e11f500 kstack=[0xfffff80118810000,0xfffff80118814000) size=0x4000 bot=0xfffff80118811000 top=0xfffff80118814000 DF5624: tf_rbp=0xfffff80118813ff8 == top-8: passes 'rbp > top-8' (equal is not greater), is 8-aligned, >= bot -> hard_sniff loads *(rbp+8) at 0xfffff80118814000 = [top, top+8): OUT OF BOUNDS READ Fatal trap 12: page fault while in kernel mode cpuid = 5; lapic id = 5 fault virtual address = 0xfffff80118814000 fault code = supervisor read data, page not present instruction pointer = 0x8:0xffffffff80c1e41e stack pointer = 0x10:0xfffff801188136e0 frame pointer = 0x10:0xfffff801188137e8 code segment = base 0x0, limit 0xfffff, type 0x1b = DPL 0, pres 1, long 1, def32 0, gran 1 processor eflags = interrupt enabled, resume, IOPL = 0 current process = 1182 current thread = pri 6 kernel: type 12 trap, code=0 CPU5 stopping CPUs: 0x0000001f stopped Stopped at hard_sniff+0x9e: movq 0x8(%rdx),%rax db>