uvm_fault(fffffd80699df3f0,200000000000,0,2) at uvm_fault+0x278 sys/uvm/uvm_fault.c:-1
upageflttrap(ffff80002a3e1110,200000000000) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192
usertrap(ffff80002a3e1110) at usertrap+0x403 sys/arch/amd64/amd64/trap.c:605
recall_trap() at recall_trap+0x8
end of kernel
end trace frame: 0x79475741e3c0, count: -13
ddb{0}> machine ddbcpu 1
Stopped at      db_enter+0x25:  addq    $0x8,%rsp
ddb{1}> trace
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
witness_checkorder(fffffd806e0d9240,9,0) at witness_checkorder+0x10fb sys/kern/subr_witness.c:-1
rw_do_enter_write(fffffd806e0d9228,1) at rw_do_enter_write+0xb7 sys/kern/kern_rwlock.c:234
rrw_enter(fffffd806e0d9228,1) at rrw_enter+0xc6 sys/kern/kern_rwlock.c:621
VOP_LOCK(fffffd805a1f4600,2001) at VOP_LOCK+0xa6 sys/kern/vfs_vops.c:527
vn_lock(fffffd805a1f4600,2001) at vn_lock+0xa4 sys/kern/vfs_vnops.c:570
vfs_getcwd_common(fffffd805a1f4600,fffffd805a1f4600,0,0,200,0,5c75d00d22c4acbc) at vfs_getcwd_common+0xd1 sys/kern/vfs_getcwd.c:287
vn_isunder(fffffd805a1f4600,fffffd805a1f4600,ffff80003c4254a8) at vn_isunder+0x56 sys/kern/vfs_vnops.c:694
unp_externalize(fffffd806ff1e300,33,0) at unp_externalize+0x286 sys/kern/uipc_usrreq.c:1090
soreceive(ffff80000142b4a0,ffff80002a343a68,ffff80002a343a18,0,ffff80002a343a58,ffff80002a343bdc,5a480f2216afc40c) at soreceive+0xc73 sys/kern/uipc_socket.c:1006
recvit(ffff80003c4254a8,9,ffff80002a343bb0,0,ffff80002a343c60) at recvit+0x40a sys/kern/uipc_syscalls.c:1072
sys_recvmsg(ffff80003c4254a8,ffff80002a343d10,ffff80002a343c60) at sys_recvmsg+0x1bf sys/kern/uipc_syscalls.c:872
syscall(ffff80002a343d10) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002a343d10) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:748
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x8b366e18530, count: -14