kernel panic at kern/arch/x86/trap.c:312, from core 0: Proc-ful Page Fault in the Kernel at 0x00000002deadbac6! HW TRAP frame at 0xfffffff00006dd00 on core 0 rax 0x0000000000000001 rbx 0x00000002deadbabe rcx 0x0000000000000000 rdx 0x00000002deadbac6 rbp 0xfffffff00006ddc8 rsi 0x00000000ffffffff rdi 0x00000002deadbac6 r8 0x0000000000000000 r9 0x0000000000000000 r10 0x0000000000000000 r11 0x0000000000000202 r12 0xffff80000218c3a0 r13 0x00000000ffffffff r14 0x0000000000000003 r15 0xffff80000218c000 trap 0x0000000e Page Fault gsbs 0xffffffffc880b9c0 fsbs 0x0000000000000000 err 0x--------00000000 rip 0xffffffffc2007b47 cs 0x------------0008 flag 0x0000000000010206 rsp 0xfffffff00006ddc8 ss 0x------------0010 Backtrace of kernel context on Core 0: #01 [<0xffffffffc2007b47>] in kref_put at include/kref.h:67 #02 [<0xffffffffc2007ec6>] in remove_fd_tap at src/fdtap.c:136 #03 [< [inline] >] in handle_tap_req at src/syscall.c:2318 #03 [<0xffffffffc205889c>] in sys_tap_fds at src/syscall.c:2338 #04 [<0xffffffffc2059569>] in syscall at src/syscall.c:2455 #05 [<0xffffffffc2059734>] in run_local_syscall at src/syscall.c:2490 #06 [<0xffffffffc2059c69>] in prep_syscalls at src/syscall.c:2510 #07 [<0xffffffffc20ab5fa>] in sysenter_callwrapper at arch/x86/trap.c:854