attach: fix double free

Signed-off-by: Donghwa Jeong <dh48.jeong@samsung.com>

diff --git a/src/lxc/attach.c b/src/lxc/attach.c
index cb1d7b97705648ce06ffe6cf5982d8259704db05..6d921223f9c7149d18c2702f12fbbe54889bfef0 100644 (file)
--- a/src/lxc/attach.c
+++ b/src/lxc/attach.c
@@ -166,7 +166,6 @@ static void lxc_proc_put_context_info(struct lxc_proc_context_info *ctx)
 
        lxc_proc_close_ns_fd(ctx);
        free(ctx);
-       ctx = NULL;
 }
 
 /**
@@ -862,6 +861,7 @@ static int attach_child_main(struct attach_clone_payload *payload)
        close(payload->ipc_socket);
        payload->ipc_socket = -EBADF;
        lxc_proc_put_context_info(init_ctx);
+       payload->init_ctx = NULL;
 
        /* The following is done after the communication socket is shut down.
         * That way, all errors that might (though unlikely) occur up until this