Message ID | 20191205065809.16728-2-mathieu.desnoyers@efficios.com |
---|---|
State | New |
Headers | show |
Series | Babeltrace 1.5 lttng-live with per-pid ust buffers | expand |
diff --git a/formats/lttng-live/lttng-live-comm.c b/formats/lttng-live/lttng-live-comm.c index 33a78029..96817f5e 100644 --- a/formats/lttng-live/lttng-live-comm.c +++ b/formats/lttng-live/lttng-live-comm.c @@ -1108,8 +1108,8 @@ retry: viewer_stream->in_trace = 0; bt_list_del(&viewer_stream->trace_stream_node); bt_list_del(&viewer_stream->session_stream_node); - g_free(viewer_stream); *stream_id = be64toh(rp->stream_id); + g_free(viewer_stream); break; case LTTNG_VIEWER_INDEX_ERR: fprintf(stderr, "[error] get_next_index: error\n");
Running babeltrace under valgrind with a test-cases doing per-pid lttng tracing in live mode triggers this use-after-free in get_next_index() when stream is hung up. Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers at efficios.com> --- formats/lttng-live/lttng-live-comm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)