libavcodec/opus_celt.c:1349: error: Integer Overflow L2
  ([0, +oo] - 1):unsigned32 by call to `opus_getrawbits`.

libavcodec/opus_celt.c:1317:1: Parameter `rc->rb.cachelen`
1315. }
1316. 
1317. static unsigned int celt_decode_band(CeltContext *s, OpusRangeCoder *rc,
      ^
1318.                                      const int band, float *X, float *Y,
1319.                                      int N, int b, unsigned int blocks,

libavcodec/opus_celt.c:1349:34: Call
1347.             int sign = 0;
1348.             if (s->remaining2 >= 1<<3) {
1349.                 sign           = opus_getrawbits(rc, 1);
                                       ^
1350.                 s->remaining2 -= 1 << 3;
1351.                 b             -= 1 << 3;

libavcodec/opus.h:265:1: <LHS trace>
263.  * CELT: read 1-25 raw bits at the end of the frame, backwards byte-wise
264.  */
265. static av_always_inline unsigned int opus_getrawbits(OpusRangeCoder *rc, unsigned int count)
     ^
266. {
267.     unsigned int value = 0;

libavcodec/opus.h:265:1: Parameter `count`
  263.  * CELT: read 1-25 raw bits at the end of the frame, backwards byte-wise
  264.  */
  265. static av_always_inline unsigned int opus_getrawbits(OpusRangeCoder *rc, unsigned int count)
       ^
  266. {
  267.     unsigned int value = 0;

libavcodec/opus.h:265:1: <RHS trace>
263.  * CELT: read 1-25 raw bits at the end of the frame, backwards byte-wise
264.  */
265. static av_always_inline unsigned int opus_getrawbits(OpusRangeCoder *rc, unsigned int count)
     ^
266. {
267.     unsigned int value = 0;

libavcodec/opus.h:265:1: Parameter `count`
  263.  * CELT: read 1-25 raw bits at the end of the frame, backwards byte-wise
  264.  */
  265. static av_always_inline unsigned int opus_getrawbits(OpusRangeCoder *rc, unsigned int count)
       ^
  266. {
  267.     unsigned int value = 0;

libavcodec/opus.h:277:5: Binary operation: ([0, +oo] - 1):unsigned32 by call to `opus_getrawbits` 
  275.     value = rc->rb.cacheval & ((1<<count)-1);
  276.     rc->rb.cacheval    >>= count;
  277.     rc->rb.cachelen     -= count;
           ^
  278.     rc->total_read_bits += count;
  279. 
