ceph: fix use-after-free on symlink traversal

[linux-2.6-block.git] / fs / ceph / inode.c

diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c
index e3346628efe2e221c844db3af6b4336d07b4f7f1..2d61ddda9bf5653fb559fb320422fd84ec470419 100644 (file)
--- a/fs/ceph/inode.c
+++ b/fs/ceph/inode.c
@@ -524,6 +524,7 @@ static void ceph_i_callback(struct rcu_head *head)
        struct inode *inode = container_of(head, struct inode, i_rcu);
        struct ceph_inode_info *ci = ceph_inode(inode);
 
+       kfree(ci->i_symlink);
        kmem_cache_free(ceph_inode_cachep, ci);
 }
 
@@ -566,7 +567,6 @@ void ceph_destroy_inode(struct inode *inode)
                }
        }
 
-       kfree(ci->i_symlink);
        while ((n = rb_first(&ci->i_fragtree)) != NULL) {
                frag = rb_entry(n, struct ceph_inode_frag, node);
                rb_erase(n, &ci->i_fragtree);