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 [<0xffffffffc200a42c>] in backtrace at src/kdebug.c:235
#02 [<0xffffffffc2009bc5>] in _panic at src/init.c:268
#03 [<0xffffffffc20441c3>] in tree_file_rename at src/ns/tree_file.c:880
#04 [<0xffffffffc2044357>] in tree_chan_rename at src/ns/tree_file.c:980
#05 [<0xffffffffc2033978>] in __namec_from at src/ns/chan.c:1331
#06 [<0xffffffffc2034383>] in namec at src/ns/chan.c:1560
#07 [<0xffffffffc203e371>] in sysrename at src/ns/sysfile.c:889
#08 [<0xffffffffc2056ca2>] in sys_rename at src/syscall.c:2391
#09 [<0xffffffffc2059ea9>] in syscall at src/syscall.c:2575
#10 [<0xffffffffc205aa58>] in run_local_syscall at src/syscall.c:2612
#11 [<0xffffffffc205af99>] in prep_syscalls at src/syscall.c:2632
#12 [<0xffffffffc20ac882>] 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 [<0xffffffffc200a42c>] in backtrace at src/kdebug.c:235
#02 [<0xffffffffc2009bc5>] in _panic at src/init.c:268
#03 [<0xffffffffc207f4ea>] in mntralloc at drivers/dev/mnt.c:1131
#04 [<0xffffffffc207f593>] in mntflushalloc at drivers/dev/mnt.c:1058
#05 [<0xffffffffc207fa30>] in mountio at drivers/dev/mnt.c:854
#06 [<0xffffffffc207fb25>] in mountrpc at drivers/dev/mnt.c:783
#07 [<0xffffffffc2080658>] in mntopencreate at drivers/dev/mnt.c:568
#08 [<0xffffffffc20807b8>] in mntopen at drivers/dev/mnt.c:585
#09 [<0xffffffffc2033ba0>] in __namec_from at src/ns/chan.c:1268
#10 [<0xffffffffc2034383>] in namec at src/ns/chan.c:1560
#11 [<0xffffffffc2041936>] in sysopenat at src/ns/sysfile.c:597
#12 [<0xffffffffc205921f>] in sys_openat at src/syscall.c:1806
#13 [<0xffffffffc2059ea9>] in syscall at src/syscall.c:2575
#14 [<0xffffffffc205aa58>] in run_local_syscall at src/syscall.c:2612
#15 [<0xffffffffc205af99>] in prep_syscalls at src/syscall.c:2632
#16 [<0xffffffffc20ac882>] in sysenter_callwrapper at arch/x86/trap.c:877