panic: mutex 0xfffffd8068e34110 not held in mtx_leave
Starting stack trace...
panic(ffffffff83047ff8) at panic+0x1ba sys/kern/subr_prf.c:229
mtx_leave(fffffd8068e34110) at mtx_leave+0x11c sys/kern/kern_lock.c:335
msleep(fffffd8068e34048,fffffd8068e34110,4,ffffffff830c4a60,0) at msleep+0x125 sys/kern/kern_synch.c:249
vm_map_lock_ln(fffffd8068e34018,372d848d000,0) at vm_map_lock_ln+0xcb sys/uvm/uvm_map.c:5250
uvm_map_protect(fffffd8068e34018,372d828d000,372d848d000,3,0,0,e48d6e48b94719ec) at uvm_map_protect+0xe1 sys/uvm/uvm_map.c:3059
sys_mprotect(ffff80002a580038,ffff800037607b00,ffff800037607a50) at sys_mprotect+0x34c sys/uvm/uvm_mmap.c:585
syscall(ffff800037607b00) at syscall+0x97e sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x750886f2b830, count: 249
End of stack trace.