Fix: relayd: check for a trace chunk before writing a packet
[lttng-tools.git] / src / bin / lttng-relayd / stream.c
index 9d753bd0a7037c042c6218487d0bda0a4d95a0b4..35ed262d64c737db048809427bb3a2d3328d27c9 100644 (file)
@@ -955,6 +955,14 @@ int stream_init_packet(struct relay_stream *stream, size_t packet_size,
        int ret = 0;
 
        ASSERT_LOCKED(stream->lock);
+
+       if (!stream->stream_fd || !stream->trace_chunk) {
+               ERR("Protocol error: received a packet for a stream that doesn't have a current trace chunk: stream_id = %" PRIu64 ", channel_name = %s",
+                               stream->stream_handle, stream->channel_name);
+               ret = -1;
+               goto end;
+       }
+
        if (caa_likely(stream->tracefile_size == 0)) {
                /* No size limit set; nothing to check. */
                goto end;
@@ -1020,6 +1028,12 @@ int stream_write(struct relay_stream *stream,
        memset(padding_buffer, 0,
                        min(sizeof(padding_buffer), padding_to_write));
 
+       if (!stream->stream_fd || !stream->trace_chunk) {
+               ERR("Protocol error: received a packet for a stream that doesn't have a current trace chunk: stream_id = %" PRIu64 ", channel_name = %s",
+                               stream->stream_handle, stream->channel_name);
+               ret = -1;
+               goto end;
+       }
        if (packet) {
                write_ret = lttng_write(stream->stream_fd->fd,
                                packet->data, packet->size);
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