libavcodec/mpc.c:54: error: Buffer Overrun L2
  Offset: [400+min(0, `c->synth_buf_offset[*]`), 401+max(511, `c->synth_buf_offset[*]`)] (⇐ [16+min(0, `c->synth_buf_offset[*]`), 17+max(511, `c->synth_buf_offset[*]`)] + 384) Size: 2 by call to `ff_mpa_synth_filter`.

libavcodec/mpc.c:45:1: Parameter `c->synth_buf[*]`
43.  * Process decoded Musepack data and produce PCM
44.  */
45. static void mpc_synth(MPCContext *c, int16_t *out)
    ^
46. {
47.     int dither_state = 0;

libavcodec/mpc.c:54:13: Call
52.         samples_ptr = samples + ch;
53.         for(i = 0; i < SAMPLES_PER_BAND; i++) {
54.             ff_mpa_synth_filter(c->synth_buf[ch], &(c->synth_buf_offset[ch]),
                ^
55.                                 ff_mpa_synth_window, &dither_state,
56.                                 samples_ptr, 2,

libavcodec/mpegaudiodec.c:920:1: Parameter `*synth_buf_ptr`
  918. }
  919. #else
  920. void ff_mpa_synth_filter(MPA_INT *synth_buf_ptr, int *synth_buf_offset,
       ^
  921.                          MPA_INT *window, int *dither_state,
  922.                          OUT_INT *samples, int incr,

libavcodec/mpegaudiodec.c:932:5: Assignment
  930. 
  931.     offset = *synth_buf_offset;
  932.     synth_buf = synth_buf_ptr + offset;
           ^
  933. 
  934. #if FRAC_BITS <= 15 && !CONFIG_FLOAT

libavcodec/mpegaudiodec.c:945:5: Call
  943. #endif
  944. 
  945.     apply_window_mp3_c(synth_buf, window, dither_state, samples, incr);
           ^
  946. 
  947.     offset = (offset - 32) & 511;

libavcodec/mpegaudiodec.c:842:1: <Length trace>
840. }
841. 
842. static void apply_window_mp3_c(MPA_INT *synth_buf, MPA_INT *window,
     ^
843.                                int *dither_state, OUT_INT *samples, int incr)
844. {

libavcodec/mpegaudiodec.c:842:1: Parameter `*synth_buf`
    840. }
    841. 
    842. static void apply_window_mp3_c(MPA_INT *synth_buf, MPA_INT *window,
         ^
    843.                                int *dither_state, OUT_INT *samples, int incr)
    844. {

libavcodec/mpegaudiodec.c:864:5: Assignment
    862. 
    863.     sum = *dither_state;
    864.     p = synth_buf + 16;
             ^
    865.     SUM8(MACS, sum, w, p);
    866.     p = synth_buf + 48;

libavcodec/mpegaudiodec.c:865:5: Array access: Offset: [400+min(0, c->synth_buf_offset[*]), 401+max(511, c->synth_buf_offset[*])] (⇐ [16+min(0, c->synth_buf_offset[*]), 17+max(511, c->synth_buf_offset[*])] + 384) Size: 2 by call to `ff_mpa_synth_filter` 
    863.     sum = *dither_state;
    864.     p = synth_buf + 16;
    865.     SUM8(MACS, sum, w, p);
             ^
    866.     p = synth_buf + 48;
    867.     SUM8(MLSS, sum, w + 32, p);
