kernel panic at kern/src/ns/chan.c:334, from core 2: cclose 0x0000000000000000
Stack Backtrace on Core 2:
#01 [<0xffffffffc200a39c>] in backtrace at src/kdebug.c:235
#02 [<0xffffffffc2009b35>] in _panic at src/init.c:268
#03 [<0xffffffffc203187a>] in cclose at src/ns/chan.c:334
#04 [<0xffffffffc2033281>] in walk_symlink at src/ns/chan.c:1739
#05 [<0xffffffffc203326c>] in walk_symlink at src/ns/chan.c:1737
#06 [<0xffffffffc203326c>] in walk_symlink at src/ns/chan.c:1737
#07 [<0xffffffffc203326c>] in walk_symlink at src/ns/chan.c:1737
#08 [<0xffffffffc203326c>] in walk_symlink at src/ns/chan.c:1737
#09 [<0xffffffffc203326c>] in walk_symlink at src/ns/chan.c:1737
#10 [<0xffffffffc203326c>] in walk_symlink at src/ns/chan.c:1737
#11 [<0xffffffffc2032d82>] in walk at src/ns/chan.c:890
#12 [<0xffffffffc2033459>] in __namec_from at src/ns/chan.c:1162
#13 [<0xffffffffc2034043>] in namec at src/ns/chan.c:1552
#14 [<0xffffffffc203de95>] in sysremove at src/ns/sysfile.c:854
#15 [<0xffffffffc2056455>] in sys_rmdir at src/syscall.c:2144
#16 [<0xffffffffc2059a29>] in syscall at src/syscall.c:2560
#17 [<0xffffffffc205a5d8>] in run_local_syscall at src/syscall.c:2597
#18 [<0xffffffffc205ab19>] in prep_syscalls at src/syscall.c:2617
#19 [<0xffffffffc20ac432>] in sysenter_callwrapper at arch/x86/trap.c:877
kernel panic at kern/arch/x86/trap.c:318, from core 3: Proc-ful Page Fault in the Kernel at 0x000000000000001b!
HW TRAP frame at 0xfffffff000097d30 on core 3
  rax  0x0000000000000000
  rbx  0xffff800014b4b360
  rcx  0xfffffff000097ea0
  rdx  0x000000000000000f
  rbp  0xfffffff000097e38
  rsi  0x0000000000000000
  rdi  0xfffffff000097ea0
  r8   0x0000000000000001
  r9   0xffffffffc8ac35c0
  r10  0x0000000000000030
  r11  0xffff800002dc9d20
  r12  0xffff8000151a9a00
  r13  0x0000000020000000
  r14  0x0000000000000073
  r15  0x00000000000000ca
  trap 0x0000000e Page Fault
  gsbs 0xffffffffc8996340
  fsbs 0x0000000000000000
  err  0x--------00000000
  rip  0xffffffffc2058544
  cs   0x------------0008
  flag 0x0000000000010246
  rsp  0xfffffff000097df8
  ss   0x------------0010
Backtrace of kernel context on Core 3:
#01 [<0xffffffffc2058544>] in sys_readlink at src/syscall.c:2034
#02 [<0xffffffffc2059a29>] in syscall at src/syscall.c:2560
#03 [<0xffffffffc205a5d8>] in run_local_syscall at src/syscall.c:2597
#04 [<0xffffffffc205ab19>] in prep_syscalls at src/syscall.c:2617
#05 [<0xffffffffc20ac432>] in sysenter_callwrapper at arch/x86/trap.c:877