uvm_fault(fffffd806b996b88,2000,0,2) at uvm_fault+0x106 sys/uvm/uvm_fault.c:677
kpageflttrap(ffff800034c19030,2c60) at kpageflttrap+0x2f4 sys/arch/amd64/amd64/trap.c:283
kerntrap(ffff800034c19030) at kerntrap+0x198 sys/arch/amd64/amd64/trap.c:489
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
copyout() at copyout+0x64
syscall(ffff800034c19470) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff800034c19470) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:746
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x4ec21102540, count: -19
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(fffffd806f7178d0,9,0) at witness_checkorder+0x10b9 sys/kern/subr_witness.c:-1
rw_do_enter_write(fffffd806f7178b8,1) at rw_do_enter_write+0xba sys/kern/kern_rwlock.c:234
rrw_enter(fffffd806f7178b8,1) at rrw_enter+0xc6 sys/kern/kern_rwlock.c:621
VOP_LOCK(fffffd805e1ddb58,2001) at VOP_LOCK+0xa3 sys/kern/vfs_vops.c:527
vn_lock(fffffd805e1ddb58,2001) at vn_lock+0xa4 sys/kern/vfs_vnops.c:570
vfs_lookup(ffff800036c1ec60) at vfs_lookup+0x11c sys/kern/vfs_lookup.c:-1
namei(ffff800036c1ec60) at namei+0x7ca sys/kern/vfs_lookup.c:250
unp_connect(ffff8000014ba600,fffffd806b7d2f00,ffff80003780f788) at unp_connect+0x29d sys/kern/uipc_usrreq.c:872
uipc_dgram_send(ffff8000014ba600,fffffd806e9a6b00,fffffd806b7d2f00,0) at uipc_dgram_send+0x163 sys/kern/uipc_usrreq.c:609
sosend(ffff8000014ba600,fffffd806b7d2f00,ffff800036c1eee8,0,0,8) at sosend+0x804 sys/kern/uipc_socket.c:-1
sendit(ffff80003780f788,4,ffff800036c1f068,8,ffff800036c1f120) at sendit+0x5a5 sys/kern/uipc_syscalls.c:785
sys_sendmsg(ffff80003780f788,ffff800036c1f1d0,ffff800036c1f120) at sys_sendmsg+0x246 sys/kern/uipc_syscalls.c:603
syscall(ffff800036c1f1d0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff800036c1f1d0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:746
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x4ec34d6fd50, count: -15