func (e *execProcess) start(ctx context.Context) (err error) {
	// The reaper may receive exit signal right after
	// the container is started, before the e.pid is updated.
	// In that case, we want to block the signal handler to
	// access e.pid until it is updated.
	e.pid.Lock()
	defer e.pid.Unlock()

	var (
		socket  *runc.Socket
		pio     *processIO
		pidFile = newExecPidFile(e.path, e.id)
	)
	if e.stdio.Terminal {
		if socket, err = runc.NewTempConsoleSocket(); err != nil {
			return fmt.Errorf("failed to create runc console socket: %w", err)
		}
		defer socket.Close()
	} else {
		if pio, err = createIO(ctx, e.id, e.parent.IoUID, e.parent.IoGID, e.stdio); err != nil {
			return fmt.Errorf("failed to create init process I/O: %w", err)
		}
		e.io = pio
	}
	opts := &runc.ExecOpts{
		PidFile: pidFile.Path(),
		Detach:  true,
	}
	if pio != nil {
		opts.IO = pio.IO()
	}
	if socket != nil {
		opts.ConsoleSocket = socket
	}
	if err := e.parent.runtime.Exec(ctx, e.parent.id, e.spec, opts); err != nil {
		close(e.waitBlock)
		return e.parent.runtimeError(err, "OCI runtime exec failed")
	}
	if e.stdio.Stdin != "" {
		if err := e.openStdin(e.stdio.Stdin); err != nil {
			return err
		}
	}
	ctx, cancel := context.WithTimeout(ctx, 30*time.Second)
	defer cancel()
	if socket != nil {
		console, err := socket.ReceiveMaster()
		if err != nil {
			return fmt.Errorf("failed to retrieve console master: %w", err)
		}
		if e.console, err = e.parent.Platform.CopyConsole(ctx, console, e.id, e.stdio.Stdin, e.stdio.Stdout, e.stdio.Stderr, &e.wg); err != nil {
			return fmt.Errorf("failed to start console copy: %w", err)
		}
	} else {
		if err := pio.Copy(ctx, &e.wg); err != nil {
			return fmt.Errorf("failed to start io pipe copy: %w", err)
		}
	}
	pid, err := pidFile.Read()
	if err != nil {
		return fmt.Errorf("failed to retrieve OCI runtime exec pi: %wd", err)
	}
	e.pid.pid = pid
	return nil
}

Applying: runc-shim: remove misleading comment
Using index info to reconstruct a base tree...
A	cmd/containerd-shim-runc-v2/task/service.go
Falling back to patching base and 3-way merge...
Auto-merging runtime/v2/runc/task/service.go
Applying: runc-shim: refuse to start execs after init exits
Using index info to reconstruct a base tree...
A	cmd/containerd-shim-runc-v2/task/service.go
Falling back to patching base and 3-way merge...
Auto-merging runtime/v2/runc/task/service.go
Applying: runc-shim: handle pending execs as running
Using index info to reconstruct a base tree...
A	cmd/containerd-shim-runc-v2/task/service.go
Falling back to patching base and 3-way merge...
Auto-merging runtime/v2/runc/task/service.go
CONFLICT (content): Merge conflict in runtime/v2/runc/task/service.go
error: Failed to merge in the changes.
hint: Use 'git am --show-current-patch=diff' to see the failed patch
Patch failed at 0003 runc-shim: handle pending execs as running
When you have resolved this problem, run "git am --continue".
If you prefer to skip this patch, run "git am --skip" instead.
To restore the original branch and stop patching, run "git am --abort".