panic: mutex 0xfffffd806bf64838 not held in mtx_leave
Starting stack trace...
panic(ffffffff830777cb) at panic+0x1d0 sys/kern/subr_prf.c:229
mtx_leave(fffffd806bf64838) at mtx_leave+0x17c sys/kern/kern_lock.c:335
msleep(fffffd806bf64750,fffffd806bf64838,4,ffffffff832017c0,0) at msleep+0x125 sys/kern/kern_synch.c:249
vm_map_lock_ln(fffffd806bf64720,53b0fc91000,0) at vm_map_lock_ln+0xd4 sys/uvm/uvm_map.c:5250
uvm_map_protect(fffffd806bf64720,53b0fa92000,53b0fc91000,1,0,0,7b480d0332a7ec03) at uvm_map_protect+0xe1 sys/uvm/uvm_map.c:3059
sys_mprotect(ffff8000371cb480,ffff8000371f90d0,ffff8000371f9020) at sys_mprotect+0x34c sys/uvm/uvm_mmap.c:585
syscall(ffff8000371f90d0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline]
syscall(ffff8000371f90d0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x75a4f87a3640, count: 249
End of stack trace.