kernel panic at kern/arch/x86/trap.c:325, from core 3: Proc-ful Page Fault in the Kernel at 0x0000000020000000!
HW TRAP frame at 0xfffffff0010dfbe0 on core 3
  rax  0xfffffff0010dfd30
  rbx  0xfffffff0010dfd28
  rcx  0x0000000020000001
  rdx  0x0000000020000000
  rbp  0xfffffff0010dfca8
  rsi  0xfffffff0010dfd28
  rdi  0x000000000000002f
  r8   0x0000000000000020
  r9   0xffff80001543db60
  r10  0x000010000000cec0
  r11  0xffffffffc20c4095
  r12  0xffffffffc20489b0
  r13  0xffff80001543db60
  r14  0x00000000ffffffff
  r15  0x00000000ffffffff
  trap 0x0000000e Page Fault
  gsbs 0xffffffffc8f7a340
  fsbs 0x0000000000000000
  err  0x--------00000003
  rip  0xffffffffc20489c7
  cs   0x------------0008
  flag 0x0000000000010293
  rsp  0xfffffff0010dfca8
  ss   0x------------0010
Backtrace of kernel context on Core 3:
#01 [<0xffffffffc20489c7>] in sprintputch at src/printfmt.c:301
#02 [<0xffffffffc2048deb>] in vprintfmt at src/printfmt.c:204
#03 [<0xffffffffc2049492>] in vsnprintf at src/printfmt.c:328
#04 [<0xffffffffc2049504>] in snprintf at src/printfmt.c:342
#05 [<0xffffffffc2058b10>] in sys_fd2path at src/syscall.c:2352
#06 [<0xffffffffc205a249>] in syscall at src/syscall.c:2582
#07 [<0xffffffffc205add8>] in run_local_syscall at src/syscall.c:2619
#08 [<0xffffffffc205b319>] in prep_syscalls at src/syscall.c:2639
#09 [<0xffffffffc20b7a92>] in sysenter_callwrapper at arch/x86/trap.c:932