executor: add runner mode

Move all syz-fuzzer logic into syz-executor and remove syz-fuzzer.
Also restore syz-runtest functionality in the manager.

Update #4917 (sets most signal handlers to SIG_IGN)

1 files changed, 0 insertions, 8 deletions

diff --git a/vm/gvisor/gvisor.go b/vm/gvisor/gvisor.go
index ed3018a51..6d26da5bb 100644
--- a/vm/gvisor/gvisor.go
+++ b/vm/gvisor/gvisor.go
@@ -244,14 +244,6 @@ func (inst *instance) Info() ([]byte, error) {
 	return []byte(info), nil
 }
 
-func (inst *instance) PprofPort() int {
-	// Some of the gVisor instances use the host's network namespace, which
-	// results in conflicting bind operations on the same HTTP port.
-	// Until there's an actual need to debug gVisor VMs with pprof, let's
-	// just disable it.
-	return 0
-}
-
 func (inst *instance) runscCmd(add ...string) *exec.Cmd {
 	cmd := osutil.Command(inst.image, append(inst.args(), add...)...)
 	cmd.Env = []string{