From a7f2260203befb7e9c70b585219f0f0b5ca57703 Mon Sep 17 00:00:00 2001
From: Cheolhee Lee <sourcehatchery@gmail.com>
Date: Tue, 29 Sep 2026 11:18:58 +0900
Subject: [PATCH] fix(clipboard): unix, don't wrap FILETIMEs past 2554 (#16385)

---
 libs/clipboard/src/platform/unix/filetype.rs   | 12 ++++++++++--
 libs/clipboard/src/platform/unix/local_file.rs |  9 ++++++---
 2 files changed, 16 insertions(+), 5 deletions(-)

diff --git a/libs/clipboard/src/platform/unix/filetype.rs b/libs/clipboard/src/platform/unix/filetype.rs
index aa66d331b..2ff48174e 100644
--- a/libs/clipboard/src/platform/unix/filetype.rs
+++ b/libs/clipboard/src/platform/unix/filetype.rs
@@ -168,8 +168,11 @@ impl FileDescription {
 
         let valid_write_time = flags & FLAGS_FD_LAST_WRITE != 0;
         let last_modified = if valid_write_time && last_write_time >= LDAP_EPOCH_DELTA {
-            let last_write_time = (last_write_time - LDAP_EPOCH_DELTA) * 100;
-            let last_write_time = Duration::from_nanos(last_write_time);
+            let last_write_time = last_write_time - LDAP_EPOCH_DELTA;
+            let last_write_time = Duration::new(
+                last_write_time / 10_000_000,
+                (last_write_time % 10_000_000) as u32 * 100,
+            );
             SystemTime::UNIX_EPOCH + last_write_time
         } else {
             SystemTime::UNIX_EPOCH
@@ -340,6 +343,11 @@ mod tests {
             parse_last_write_time(133_444_736_000_000_000),
             SystemTime::UNIX_EPOCH + Duration::from_secs(1_700_000_000)
         );
+        // 3000-01-01 00:00:00 UTC
+        assert_eq!(
+            parse_last_write_time(441_481_536_000_000_000),
+            SystemTime::UNIX_EPOCH + Duration::from_secs(32_503_680_000)
+        );
         // 1969-12-31 23:59:59 UTC falls back to the Unix epoch.
         assert_eq!(
             parse_last_write_time(116_444_736_000_000_000 - 10_000_000),
diff --git a/libs/clipboard/src/platform/unix/local_file.rs b/libs/clipboard/src/platform/unix/local_file.rs
index 202bd5ac8..1aff129ed 100644
--- a/libs/clipboard/src/platform/unix/local_file.rs
+++ b/libs/clipboard/src/platform/unix/local_file.rs
@@ -160,12 +160,12 @@ impl LocalFile {
             | archive_flag
             | normal_flag;
 
-        let win32_time = self
+        let win32_time = (self
             .last_write_time
             .duration_since(std::time::UNIX_EPOCH)
             .unwrap_or_default()
-            .as_nanos() as u64
-            / 100
+            .as_nanos()
+            / 100) as u64
             + LDAP_EPOCH_DELTA;
 
         let size_high = (self.size >> 32) as u32;
@@ -511,6 +511,9 @@ mod file_list_test {
         // 2023-11-14 22:13:20 UTC
         let time = SystemTime::UNIX_EPOCH + Duration::from_secs(1_700_000_000);
         assert_eq!(encoded_last_write_time(time)?, 133_444_736_000_000_000);
+        // 3000-01-01 00:00:00 UTC
+        let time = SystemTime::UNIX_EPOCH + Duration::from_secs(32_503_680_000);
+        assert_eq!(encoded_last_write_time(time)?, 441_481_536_000_000_000);
         // Times before 1970 are sent as 1970-01-01 00:00:00 UTC.
         let time = SystemTime::UNIX_EPOCH - Duration::from_secs(1);
         assert_eq!(encoded_last_write_time(time)?, 116_444_736_000_000_000);