kernel panic at kern/src/ns/tree_file.c:880, from core 2: assertion failed: tree_file_is_dir(new_parent)
Stack Backtrace on Core 2:
#01 [<0xffffffffc200a3ec>] in backtrace at src/kdebug.c:235
#02 [<0xffffffffc2009b85>] in _panic at src/init.c:268
#03 [<0xffffffffc2044183>] in tree_file_rename at src/ns/tree_file.c:880
#04 [<0xffffffffc2044317>] in tree_chan_rename at src/ns/tree_file.c:980
#05 [<0xffffffffc2033938>] in __namec_from at src/ns/chan.c:1331
#06 [<0xffffffffc2034343>] in namec at src/ns/chan.c:1560
#07 [<0xffffffffc203e331>] in sysrename at src/ns/sysfile.c:889
#08 [<0xffffffffc2056c62>] in sys_rename at src/syscall.c:2391
#09 [<0xffffffffc2059e69>] in syscall at src/syscall.c:2575
#10 [<0xffffffffc205aa18>] in run_local_syscall at src/syscall.c:2612
#11 [<0xffffffffc205af59>] in prep_syscalls at src/syscall.c:2632
#12 [<0xffffffffc20ac842>] in sysenter_callwrapper at arch/x86/trap.c:877
kernel panic at kern/drivers/dev/mnt.c:1131, from core 0: rpc tags
Stack Backtrace on Core 0:
#01 [<0xffffffffc200a3ec>] in backtrace at src/kdebug.c:235
#02 [<0xffffffffc2009b85>] in _panic at src/init.c:268
#03 [<0xffffffffc207f4aa>] in mntralloc at drivers/dev/mnt.c:1131
#04 [<0xffffffffc207f553>] in mntflushalloc at drivers/dev/mnt.c:1058
#05 [<0xffffffffc207f9f0>] in mountio at drivers/dev/mnt.c:854
#06 [<0xffffffffc207fae5>] in mountrpc at drivers/dev/mnt.c:783
#07 [<0xffffffffc2080618>] in mntopencreate at drivers/dev/mnt.c:568
#08 [<0xffffffffc2080778>] in mntopen at drivers/dev/mnt.c:585
#09 [<0xffffffffc2033b60>] in __namec_from at src/ns/chan.c:1268
#10 [<0xffffffffc2034343>] in namec at src/ns/chan.c:1560
#11 [<0xffffffffc20418f6>] in sysopenat at src/ns/sysfile.c:597
#12 [<0xffffffffc20591df>] in sys_openat at src/syscall.c:1806
#13 [<0xffffffffc2059e69>] in syscall at src/syscall.c:2575
#14 [<0xffffffffc205aa18>] in run_local_syscall at src/syscall.c:2612
#15 [<0xffffffffc205af59>] in prep_syscalls at src/syscall.c:2632
#16 [<0xffffffffc20ac842>] in sysenter_callwrapper at arch/x86/trap.c:877