kernel panic at kern/drivers/dev/mnt.c:1131, from core 3: rpc tags
Stack Backtrace on Core 3:
#01 [<0xffffffffc200aa6c>] in backtrace at src/kdebug.c:235
#02 [<0xffffffffc200a205>] in _panic at src/init.c:275
#03 [<0xffffffffc207faca>] in mntralloc at drivers/dev/mnt.c:1131
#04 [<0xffffffffc207fb73>] in mntflushalloc at drivers/dev/mnt.c:1058
#05 [<0xffffffffc2080010>] in mountio at drivers/dev/mnt.c:854
#06 [<0xffffffffc2080105>] in mountrpc at drivers/dev/mnt.c:783
#07 [<0xffffffffc2080f3b>] in mntwalk at drivers/dev/mnt.c:475
#08 [<0xffffffffc2033bcb>] in walk at src/ns/chan.c:800
#09 [<0xffffffffc2034039>] in __namec_from at src/ns/chan.c:1138
#10 [<0xffffffffc2034c43>] in namec at src/ns/chan.c:1530
#11 [<0xffffffffc2041ddd>] in sysopenat at src/ns/sysfile.c:585
#12 [<0xffffffffc20592de>] in sys_openat at src/syscall.c:1826
#13 [<0xffffffffc205a249>] in syscall at src/syscall.c:2582
#14 [<0xffffffffc205add8>] in run_local_syscall at src/syscall.c:2619
#15 [<0xffffffffc205b319>] in prep_syscalls at src/syscall.c:2639
23:38:36 executing program 4:
rename(&(0x7f0000000000)='.\x00', 0x2, &(0x7f0000000040)='./file0\x00', 0x8)
stat(&(0x7f0000000080)='./file0\x00', 0x8, &(0x7f00000000c0))
nunmount(&(0x7f0000000140)='./file0\x00', 0x8, &(0x7f0000000180)='./file0\x00', 0x8)
symlink(&(0x7f00000001c0)='./file0\x00', 0x8, &(0x7f0000000200)='./file1\x00', 0x8)
rename(&(0x7f0000000240)='./file1\x00', 0x8, &(0x7f0000000280)='./file0\x00', 0x8)
proc_create(&(0x7f00000002c0)='./file1\x00', 0x8, &(0x7f0000000300)='}{<&*^]\\{{/$\x00', 0xd, 0x1)
symlink(&(0x7f0000000340)='./file0\x00', 0x8, &(0x7f0000000380)='./file1\x00', 0x8)
r0 = proc_create(&(0x7f00000003c0)='./file0\x00', 0x8, &(0x7f0000000400)='\x00', 0x1, 0x1)
proc_destroy(r0, 0x9)
symlink(&(0x7f0000000440)='./file1\x00', 0x8, &(0x7f0000000480)='./file0\x00', 0x8)
symlink(&(0x7f00000004c0)='./file1\x00', 0x8, &(0x7f0000000500)='./file0\x00', 0x8)
proc_create(&(0x7f0000000540)='./file0\x00', 0x8, &(0x7f0000000580)='}{<&*^]\\{{/$\x00', 0xd, 0x1)
exec(&(0x7f00000005c0)='./file0\x00', 0x8, &(0x7f0000000600)='[+\xb2/]\x00', 0x6)
nbind(&(0x7f0000000640)='./file0\x00', 0x8, &(0x7f0000000680)='./file0\x00', 0x8, 0x0)
symlink(&(0x7f00000006c0)='./file1\x00', 0x8, &(0x7f0000000700)='./file1\x00', 0x8)
symlink(&(0x7f0000000740)='./file1\x00', 0x8, &(0x7f0000000780)='./file1\x00', 0x8)
r1 = openat$dev_config(0xffffffffffffff9c, &(0x7f00000007c0), 0xc, 0x1, 0x0)
nmount(r1, &(0x7f0000000800)='./file0\x00', 0x8, 0x12)
unlink(&(0x7f0000000840)='./file0\x00', 0x8)
read(0xffffffffffffff9c, &(0x7f0000000880)=""/118, 0x76)
#16 [<0xffffffffc20b7a92>] in sysenter_callwrapper at arch/x86/trap.c:932
ROS(Core 3)> 
kernel panic at kern/drivers/dev/mnt.c:1131, from core 0: rpc tags
Stack Backtrace on Core 0:
#01 [<0xffffffffc200aa6c>] in backtrace at src/kdebug.c:235
#02 [<0xffffffffc200a205>] in _panic at src/init.c:275
#03 [<0xffffffffc207faca>] in mntralloc at drivers/dev/mnt.c:1131
#04 [<0xffffffffc2080e98>] in mntwalk at drivers/dev/mnt.c:453
#05 [<0xffffffffc2033bcb>] in walk at src/ns/chan.c:800
#06 [<0xffffffffc2034039>] in __namec_from at src/ns/chan.c:1138
#07 [<0xffffffffc2034c43>] in namec at src/ns/chan.c:1530
#08 [<0xffffffffc2041ddd>] in sysopenat at src/ns/sysfile.c:585
#09 [<0xffffffffc20592de>] in sys_openat at src/syscall.c:1826
#10 [<0xffffffffc205a249>] in syscall at src/syscall.c:2582
#11 [<0xffffffffc205add8>] in run_local_syscall at src/syscall.c:2619
#12 [<0xffffffffc205b319>] in prep_syscalls at src/syscall.c:2639
#13 [<0xffffffffc20b7a92>] in sysenter_callwrapper at arch/x86/trap.c:932