ocfs2: check ia_size limits in setattr

We have to manually check the requested truncate size as the check in vmtruncate() comes too late for Ocfs2. Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
git-mirror · Aug 10, 2007 · ce76fd3 · ce76fd3
1 parent 7c08d70
commit ce76fd3
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c
@@ -1028,6 +1028,11 @@ int ocfs2_setattr(struct dentry *dentry, struct iattr *attr)
 	}
 
 	if (size_change && attr->ia_size != i_size_read(inode)) {
+		if (attr->ia_size > sb->s_maxbytes) {
+			status = -EFBIG;
+			goto bail_unlock;
+		}
+
 		if (i_size_read(inode) > attr->ia_size)
 			status = ocfs2_truncate_file(inode, bh, attr->ia_size);
 		else