docs: assorted windows instructions fixes

docs/windows.md

@@ -11,7 +11,9 @@ syz-sysgen
 To build binaries:
 ```
 make fuzzer execprog stress TARGETOS=windows
+REV=git rev-parse HEAD
 cl executor\executor_windows.cc /EHsc -o bin\windows_amd64\syz-executor.exe \
+	-DGIT_REVISION=\"$REV\" \
 	kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib \
 	shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib \
 	winmm.lib rpcrt4.lib Crypt32.lib imm32.lib Urlmon.lib Oleaut32.lib \
@@ -28,17 +30,16 @@ bin\windows_amd64\syz-stress.exe -executor c:\full\path\to\bin\windows_amd64\syz
 Windows is supported by only `gce` VMs at the moment.
 To use `gce`, create a Windows GCE VM, inside of the machine:
 
- - Enable serial console debugging:
+ - Enable serial console debugging (see [this](https://docs.microsoft.com/en-us/windows-hardware/drivers/devtest/boot-parameters-to-enable-debugging) for details):
 ```
 bcdedit /debug on
-bcdedit /dbgsettings serial debugport:1 baudrate:115200
+bcdedit /dbgsettings serial debugport:1 baudrate:115200 /noumex
 ```
-See [this](https://docs.microsoft.com/en-us/windows-hardware/drivers/devtest/boot-parameters-to-enable-debugging) for details.
 
- - Disable automatic restart in sysdm.cpl -> Advanced -> Startup and Recovery
+ - Disable automatic restart in `sysdm.cpl -> Advanced -> Startup and Recovery`
 
  - Setup sshd with key auth, [these](https://winscp.net/eng/docs/guide_windows_openssh_server) instructions worked for me.
-   Save private ssh key.
+   Preferably use non-admin user. Save private ssh key.
 
 Then shutdown the machine, stop the instance and create an image from the disk.
 Then start `syz-manager` with config similar to the following one:
@@ -51,14 +52,14 @@ Then start `syz-manager` with config similar to the following one:
 	"workdir": "/workdir",
 	"syzkaller": "/syzkaller",
 	"sshkey": "/id_rsa",
+	"ssh_user": "you",
 	"cover": false,
 	"procs": 8,
 	"type": "gce",
 	"vm": {
 		"count": 10,
 		"machine_type": "n1-highcpu-2",
-		"gce_image": "your-gce-image",
-		"ssh_user": "you"
+		"gce_image": "your-gce-image"
 	}
 }
 ```