vms/qemu: Fix CID range to exclude reserved vsock IDs

2025-08-25 15:27:03 +02:00
parent 7407fef21b
commit c57d8b30d3
1 changed files with 2 additions and 1 deletions
--- a/pkgs/clan-cli/clan_cli/vms/qemu.py
+++ b/pkgs/clan-cli/clan_cli/vms/qemu.py
@@ -27,7 +27,8 @@ def graphics_options(vm: VmConfig) -> GraphicOptions:

    if vm.waypipe.enable:
        # FIXME: check for collisions
-        cid = secrets.randbelow(2**32 - 1) + 1  # Generate random CID between 1 and 2^32
+        # Generate random CID in [3, 2^32-1] (0,1,2 are reserved)
+        cid = secrets.randbelow(2**32 - 3) + 3
        # fmt: off
        return GraphicOptions([
          *common,