Add size check in `InodeDesc::is_fast_symlink`

2026-02-01 23:30:57 +08:00 · 2026-02-01 23:30:57 +08:00 · 3cb457b620
parent 57c7546db0
commit 3cb457b620
1 changed files with 3 additions and 1 deletions
--- a/kernel/src/fs/ext2/inode.rs
+++ b/kernel/src/fs/ext2/inode.rs
@ -2647,7 +2647,9 @@ impl InodeDesc {
    ///
    /// Reference: <https://elixir.bootlin.com/linux/v6.18/source/fs/ext2/inode.c#L48-L55>.
    fn is_fast_symlink(&self) -> bool {
-        self.type_ == InodeType::SymLink && self.data_sectors() == 0
+        self.type_ == InodeType::SymLink
+            && self.data_sectors() == 0
+            && self.size <= MAX_FAST_SYMLINK_LEN
    }
 }