uvm_fault(fffffd805ec395e0,af000,0,2) at uvm_fault+0x106 sys/uvm/uvm_fault.c:627
kpageflttrap(ffff80003c497400,af500) at kpageflttrap+0x2f4 sys/arch/amd64/amd64/trap.c:283
kerntrap(ffff80003c497400) at kerntrap+0x19d sys/arch/amd64/amd64/trap.c:528
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
copyout() at copyout+0x64
syscall(ffff80003c497840) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003c497840) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x781537ed4d0, count: -17
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(fffffd806ee1a5c0,9,0) at witness_checkorder+0x10d1 sys/kern/subr_witness.c:-1
rw_do_enter_write(fffffd806ee1a5a8,1) at rw_do_enter_write+0xba sys/kern/kern_rwlock.c:234
rrw_enter(fffffd806ee1a5a8,1) at rrw_enter+0xc6 sys/kern/kern_rwlock.c:621
VOP_LOCK(fffffd8070c307c0,2001) at VOP_LOCK+0xbd sys/kern/vfs_vops.c:527
vn_lock(fffffd8070c307c0,2001) at vn_lock+0xa4 sys/kern/vfs_vnops.c:576
vfs_lookup(ffff80003c49ce70) at vfs_lookup+0x12b sys/kern/vfs_lookup.c:431
namei(ffff80003c49ce70) at namei+0x7c5 sys/kern/vfs_lookup.c:250
unp_connect(ffff80000168f5c0,fffffd806da91000,ffff8000373b8d18) at unp_connect+0x29d sys/kern/uipc_usrreq.c:872
uipc_dgram_send(ffff80000168f5c0,fffffd8061bfd300,fffffd806da91000,0) at uipc_dgram_send+0x163 sys/kern/uipc_usrreq.c:609
sosend(ffff80000168f5c0,fffffd806da91000,ffff80003c49d0f8,0,0,c) at sosend+0x804 sys/kern/uipc_socket.c:-1
sendit(ffff8000373b8d18,7,ffff80003c49d278,c,ffff80003c49d330) at sendit+0x5a5 sys/kern/uipc_syscalls.c:785
sys_sendmsg(ffff8000373b8d18,ffff80003c49d3e0,ffff80003c49d330) at sys_sendmsg+0x246 sys/kern/uipc_syscalls.c:603
syscall(ffff80003c49d3e0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003c49d3e0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7057c3f1ce0, count: -15