kernel panic at kern/src/ns/chan.c:331, from core 0: cclose 0x0000000000000000
Stack Backtrace on Core 0:
#01 [<0xffffffffc200a2dc>] in backtrace at src/kdebug.c:220
#02 [<0xffffffffc2009afd>] in _panic at src/init.c:268
#03 [<0xffffffffc203183a>] in cclose at src/ns/chan.c:331
#04 [<0xffffffffc2033219>] in walk_symlink at src/ns/chan.c:1702
#05 [<0xffffffffc2033204>] in walk_symlink at src/ns/chan.c:1700
#06 [<0xffffffffc2033204>] in walk_symlink at src/ns/chan.c:1700
#07 [<0xffffffffc2033204>] in walk_symlink at src/ns/chan.c:1700
#08 [<0xffffffffc2033204>] in walk_symlink at src/ns/chan.c:1700
#09 [<0xffffffffc2033204>] in walk_symlink at src/ns/chan.c:1700
#10 [<0xffffffffc2033204>] in walk_symlink at src/ns/chan.c:1700
#11 [<0xffffffffc2032d22>] in walk at src/ns/chan.c:871
#12 [<0xffffffffc20333f9>] in __namec_from at src/ns/chan.c:1138
#13 [<0xffffffffc2033fdf>] in namec at src/ns/chan.c:1516
#14 [<0xffffffffc203dcb5>] in sysremove at src/ns/sysfile.c:839
#15 [<0xffffffffc20557c5>] in sys_rmdir at src/syscall.c:2133
#16 [<0xffffffffc2059409>] in syscall at src/syscall.c:2528
#17 [<0xffffffffc20595d4>] in run_local_syscall at src/syscall.c:2563
#18 [<0xffffffffc2059b09>] in prep_syscalls at src/syscall.c:2583
#19 [<0xffffffffc20ab36a>] in sysenter_callwrapper at arch/x86/trap.c:854