uvm_fault(fffffd807b0e09b0,61423694000,0,1) at uvm_fault+0x159 sys/uvm/uvm_fault.c:632
upageflttrap(ffff8000383f76d0,61423694808) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192
usertrap(ffff8000383f76d0) at usertrap+0x42f sys/arch/amd64/amd64/trap.c:632
recall_trap() at recall_trap+0x8
end of kernel
end trace frame: 0x77708caef310, 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(fffffd806c63a208,9,0) at witness_checkorder+0x10d1 sys/kern/subr_witness.c:-1
rw_do_enter_write(fffffd806c63a1f0,1) at rw_do_enter_write+0xba sys/kern/kern_rwlock.c:234
rrw_enter(fffffd806c63a1f0,1) at rrw_enter+0xc6 sys/kern/kern_rwlock.c:621
VOP_LOCK(fffffd807954fc18,2001) at VOP_LOCK+0xbd sys/kern/vfs_vops.c:527
vn_lock(fffffd807954fc18,2001) at vn_lock+0xa4 sys/kern/vfs_vnops.c:570
vfs_lookup(ffff80003c41b550) at vfs_lookup+0x11c sys/kern/vfs_lookup.c:-1
namei(ffff80003c41b550) at namei+0x7ca sys/kern/vfs_lookup.c:250
unp_connect(ffff8000015e34d8,fffffd80654f1c00,ffff8000367e5a10) at unp_connect+0x29d sys/kern/uipc_usrreq.c:872
uipc_dgram_send(ffff8000015e34d8,fffffd8065528600,fffffd80654f1c00,0) at uipc_dgram_send+0x163 sys/kern/uipc_usrreq.c:609
sosend(ffff8000015e34d8,fffffd80654f1c00,ffff80003c41b7d8,0,0,e) at sosend+0x804 sys/kern/uipc_socket.c:-1
sendit(ffff8000367e5a10,3,ffff80003c41b958,e,ffff80003c41ba10) at sendit+0x5a5 sys/kern/uipc_syscalls.c:785
sys_sendmsg(ffff8000367e5a10,ffff80003c41bac0,ffff80003c41ba10) at sys_sendmsg+0x246 sys/kern/uipc_syscalls.c:603
syscall(ffff80003c41bac0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003c41bac0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:775
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xd7df543fc50, count: -15