/usr/share/gocode/src/github.com/linuxkit/virtsock/cmd/sock_stress/ is in golang-github-linuxkit-virtsock-dev 0.0~git20170720.0.0416e3d-1.
This file is owned by root:root, with mode 0o755.
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/usr/share/gocode/src/github.com/linuxkit/virtsock/cmd/sock_stress/dgram_echo.go
/usr/share/gocode/src/github.com/linuxkit/virtsock/cmd/sock_stress/hvsock.go
/usr/share/gocode/src/github.com/linuxkit/virtsock/cmd/sock_stress/main.go
/usr/share/gocode/src/github.com/linuxkit/virtsock/cmd/sock_stress/main_darwin.go
/usr/share/gocode/src/github.com/linuxkit/virtsock/cmd/sock_stress/main_fallback.go
/usr/share/gocode/src/github.com/linuxkit/virtsock/cmd/sock_stress/stream_echo.go
/usr/share/gocode/src/github.com/linuxkit/virtsock/cmd/sock_stress/tcp.go
/usr/share/gocode/src/github.com/linuxkit/virtsock/cmd/sock_stress/udp.go
/usr/share/gocode/src/github.com/linuxkit/virtsock/cmd/sock_stress/unix.go
/usr/share/gocode/src/github.com/linuxkit/virtsock/cmd/sock_stress/utils.go
/usr/share/gocode/src/github.com/linuxkit/virtsock/cmd/sock_stress/vsock.go