uvm_fault(fffffd800b0fb1f8,edf27758000,0,1) at uvm_fault+0x159 sys/uvm/uvm_fault.c:682
upageflttrap(ffff80003c4ad810,edf27758b78) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192
usertrap(ffff80003c4ad810) at usertrap+0x3c6 sys/arch/amd64/amd64/trap.c:603
recall_trap() at recall_trap+0x8
end of kernel
end trace frame: 0x7e5fce3cfdf0, count: -12
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(fffffd806e89eeb8,9,0) at witness_checkorder+0x10b9 sys/kern/subr_witness.c:-1
rw_do_enter_write(fffffd806e89eea0,1) at rw_do_enter_write+0xba sys/kern/kern_rwlock.c:234
rrw_enter(fffffd806e89eea0,1) at rrw_enter+0xc6 sys/kern/kern_rwlock.c:621
VOP_LOCK(fffffd8060fe5b58,2001) at VOP_LOCK+0xa3 sys/kern/vfs_vops.c:527
vn_lock(fffffd8060fe5b58,2001) at vn_lock+0xa4 sys/kern/vfs_vnops.c:570
vfs_getcwd_common(fffffd8060fe5b58,fffffd8072561000,0,0,200,0,a94935e7aa881899) at vfs_getcwd_common+0xd1 sys/kern/vfs_getcwd.c:287
vn_isunder(fffffd8060fe5b58,fffffd8072561000,ffff80002a36ed30) at vn_isunder+0x56 sys/kern/vfs_vnops.c:694
unp_externalize(fffffd806a66a500,33,0) at unp_externalize+0x26f sys/kern/uipc_usrreq.c:1090
soreceive(ffff8000014954a8,ffff80003c490d68,ffff80003c490d18,0,ffff80003c490d50,ffff80003c490edc,5f07bf79ef4645bc) at soreceive+0xc24 sys/kern/uipc_socket.c:1009
recvit(ffff80002a36ed30,5,ffff80003c490eb0,0,ffff80003c490f60) at recvit+0x40b sys/kern/uipc_syscalls.c:1078
sys_recvmsg(ffff80002a36ed30,ffff80003c491010,ffff80003c490f60) at sys_recvmsg+0x1bf sys/kern/uipc_syscalls.c:878
syscall(ffff80003c491010) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003c491010) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:746
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x6aad140ec90, count: -14