libavfilter/af_join.c:150: error: Integer Overflow L2
  ([0, +oo] - 1):unsigned64 by call to `av_get_channel_layout_channel_index`.

libavfilter/af_join.c:143:9: Call
141. 
142.         /* parse output channel */
143.         PARSE_CHANNEL(sep, out_channel, "output");
             ^
144.         if (!(out_channel & s->channel_layout)) {
145.             av_log(ctx, AV_LOG_ERROR, "Output channel '%s' is not present in "

libavutil/audioconvert.c:136:13: Assignment
  134.         layout_single = get_channel_layout_single(n, e - n);
  135.         if (!layout_single)
  136.             return 0;
                   ^
  137.         layout |= layout_single;
  138.     }

libavfilter/af_join.c:143:9: Assignment
141. 
142.         /* parse output channel */
143.         PARSE_CHANNEL(sep, out_channel, "output");
             ^
144.         if (!(out_channel & s->channel_layout)) {
145.             av_log(ctx, AV_LOG_ERROR, "Output channel '%s' is not present in "

libavfilter/af_join.c:150:22: Call
148.         }
149. 
150.         out_ch_idx = av_get_channel_layout_channel_index(s->channel_layout,
                          ^
151.                                                          out_channel);
152.         if (s->channels[out_ch_idx].input >= 0) {

libavutil/audioconvert.c:196:1: <LHS trace>
194. }
195. 
196. int av_get_channel_layout_channel_index(uint64_t channel_layout,
     ^
197.                                         uint64_t channel)
198. {

libavutil/audioconvert.c:196:1: Parameter `channel`
  194. }
  195. 
  196. int av_get_channel_layout_channel_index(uint64_t channel_layout,
       ^
  197.                                         uint64_t channel)
  198. {

libavutil/audioconvert.c:202:5: Binary operation: ([0, +oo] - 1):unsigned64 by call to `av_get_channel_layout_channel_index` 
  200.         av_get_channel_layout_nb_channels(channel) != 1)
  201.         return AVERROR(EINVAL);
  202.     channel_layout &= channel - 1;
           ^
  203.     return av_get_channel_layout_nb_channels(channel_layout);
  204. }
