fix(runtime): allow nul device on windows (#23741)

Fixes [23721](https://github.com/denoland/deno/issues/23721)

1 files changed, 6 insertions, 0 deletions

diff --git a/runtime/permissions/lib.rs b/runtime/permissions/lib.rs
index e66f16a7f..70d1abae7 100644
--- a/runtime/permissions/lib.rs
+++ b/runtime/permissions/lib.rs
@@ -1696,6 +1696,12 @@ impl PermissionsContainer {
         self.check_was_allow_all_flag_passed().map_err(error_all)?;
       }
     } else if cfg!(target_os = "windows") {
+      // \\.\nul is allowed
+      let s = path.as_os_str().as_encoded_bytes();
+      if s.eq_ignore_ascii_case(br#"\\.\nul"#) {
+        return Ok(());
+      }
+
       fn is_normalized_windows_drive_path(path: &Path) -> bool {
         let s = path.as_os_str().as_encoded_bytes();
         // \\?\X:\