diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index 0ada6e91cc38eb50b1a79138b1f4d8b6e64bc19d..21fd510183c3db666c83e3dd787f3215f93de3a3 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -2975,6 +2975,13 @@ static long fuse_file_fallocate(struct file *file, int mode, loff_t offset,
 		}
 	}
 
+	if (!(mode & FALLOC_FL_KEEP_SIZE) &&
+	    offset + length > i_size_read(inode)) {
+		err = inode_newsize_ok(inode, offset + length);
+		if (err)
+			return err;
+	}
+
 	if (!(mode & FALLOC_FL_KEEP_SIZE))
 		set_bit(FUSE_I_SIZE_UNSTABLE, &fi->state);