uvm_fault(fffffd807eb8d720,e7000,0,2) at uvm_fault+0x106 sys/uvm/uvm_fault.c:668
kpageflttrap(ffff80002a4d68c0,e7a40) at kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279
kerntrap(ffff80002a4d68c0) at kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
copyout() at copyout+0x57
syscall(ffff80002a4d6d10) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002a4d6d10) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x83f6deb10b0, count: -16
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:437
witness_checkorder(fffffd806911e1b8,9,0) at witness_checkorder+0x1047
rw_do_enter_write(fffffd806911e1a0,1) at rw_do_enter_write+0xb7 sys/kern/kern_rwlock.c:233
rrw_enter(fffffd806911e1a0,1) at rrw_enter+0xc6 sys/kern/kern_rwlock.c:616
VOP_LOCK(fffffd806bf14a80,2001) at VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524
vn_lock(fffffd806bf14a80,2001) at vn_lock+0xa4 sys/kern/vfs_vnops.c:570
vfs_lookup(ffff80003c590208) at vfs_lookup+0x109 sys/kern/vfs_lookup.c:418
namei(ffff80003c590208) at namei+0x7aa sys/kern/vfs_lookup.c:250
unp_connect(ffff8000013f72e8,fffffd8074da7d00,ffff80003c681708) at unp_connect+0x27d sys/kern/uipc_usrreq.c:868
uipc_dgram_send(ffff8000013f72e8,fffffd807eb95e00,fffffd8074da7d00,0) at uipc_dgram_send+0x131 sys/kern/uipc_usrreq.c:607
sosend(ffff8000013f72e8,fffffd8074da7d00,ffff80003c590488,0,0,0) at sosend+0x804
sendit(ffff80003c681708,a,ffff80003c590600,0,ffff80003c5906c0) at sendit+0x721 sys/kern/uipc_syscalls.c:779
sys_sendmsg(ffff80003c681708,ffff80003c590770,ffff80003c5906c0) at sys_sendmsg+0x246 sys/kern/uipc_syscalls.c:597
syscall(ffff80003c590770) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003c590770) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xca8593e3d10, count: -15