export GOBIN=/bin; go list -f '{{.Stale}}' ./sys/syz-sysgen | grep -q false || go install ./sys/syz-sysgen
make .descriptions
make[1]: Entering directory '/syzkaller/gopath/src/github.com/google/syzkaller'
make[1]: *** No rule to make target 'bin/syz-sysgen', needed by '.descriptions'.  Stop.
make[1]: Leaving directory '/syzkaller/gopath/src/github.com/google/syzkaller'
Makefile:139: recipe for target 'descriptions' failed
make: *** [descriptions] Error 2