uvm_fault(fffffd8068f1e5e8,e638c5f6000,0,1) at uvm_fault+0x1ea sys/uvm/uvm_fault.c:700
upageflttrap(ffff8000373edd70,e638c5f6000) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192
usertrap(ffff8000373edd70) at usertrap+0x3c6 sys/arch/amd64/amd64/trap.c:603
recall_trap() at recall_trap+0x8
end of kernel
end trace frame: 0x714325b743d0, 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(fffffd806e34a928,9,0) at witness_checkorder+0x10b9 sys/kern/subr_witness.c:-1
rw_do_enter_write(fffffd806e34a910,1) at rw_do_enter_write+0xba sys/kern/kern_rwlock.c:234
rrw_enter(fffffd806e34a910,1) at rrw_enter+0xc6 sys/kern/kern_rwlock.c:621
VOP_LOCK(fffffd80672d33a0,2001) at VOP_LOCK+0xa3 sys/kern/vfs_vops.c:527
vn_lock(fffffd80672d33a0,2001) at vn_lock+0xa4 sys/kern/vfs_vnops.c:570
vfs_lookup(ffff8000383f6c60) at vfs_lookup+0x11c sys/kern/vfs_lookup.c:-1
namei(ffff8000383f6c60) at namei+0x7ca sys/kern/vfs_lookup.c:250
unp_connect(ffff800010fd4ec0,fffffd805def2800,ffff800032fe0a88) at unp_connect+0x29d sys/kern/uipc_usrreq.c:872
uipc_dgram_send(ffff800010fd4ec0,fffffd806ec5b500,fffffd805def2800,0) at uipc_dgram_send+0x163 sys/kern/uipc_usrreq.c:609
sosend(ffff800010fd4ec0,fffffd805def2800,ffff8000383f6ee8,0,0,e) at sosend+0x804 sys/kern/uipc_socket.c:-1
sendit(ffff800032fe0a88,7,ffff8000383f7068,e,ffff8000383f7120) at sendit+0x5a5 sys/kern/uipc_syscalls.c:785
sys_sendmsg(ffff800032fe0a88,ffff8000383f71d0,ffff8000383f7120) at sys_sendmsg+0x246 sys/kern/uipc_syscalls.c:603
syscall(ffff8000383f71d0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff8000383f71d0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:746
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x787a1ebdd20, count: -15