libavcodec/bink.c:378: error: Integer Overflow L2
  ([0, +oo] - 1):unsigned32 by call to `bitstream_read_bit`.

libavcodec/bink.c:366:1: Parameter `b->len`
364. static const uint8_t bink_rlelens[4] = { 4, 8, 12, 32 };
365. 
366. static int read_block_types(AVCodecContext *avctx, BitstreamContext *bc, Bundle *b)
     ^
367. {
368.     int t, v;

libavcodec/bink.c:372:5: Call
370.     const uint8_t *dec_end;
371. 
372.     CHECK_READ_VAL(bc, b, t);
         ^
373.     dec_end = b->cur_dec + t;
374.     if (dec_end > b->data_end) {

libavcodec/bitstream.h:183:1: Parameter `bc->bits_left`
  181. 
  182. /* Return n bits from the buffer. n has to be in the 0-32 range. */
  183. static inline uint32_t bitstream_read(BitstreamContext *bc, unsigned n)
       ^
  184. {
  185.     if (!n)

libavcodec/bink.c:378:9: Call
376.         return AVERROR_INVALIDDATA;
377.     }
378.     if (bitstream_read_bit(bc)) {
             ^
379.         v = bitstream_read(bc, 4);
380.         memset(b->cur_dec, v, t);

libavcodec/bitstream.h:145:1: Parameter `bc->bits_left`
  143. 
  144. /* Return one bit from the buffer. */
  145. static inline unsigned bitstream_read_bit(BitstreamContext *bc)
       ^
  146. {
  147.     if (!bc->bits_left)

libavcodec/bitstream.h:150:12: Call
  148.         refill_64(bc);
  149. 
  150.     return get_val(bc, 1);
                  ^
  151. }
  152. 

libavcodec/bitstream.h:130:1: <LHS trace>
128. }
129. 
130. static inline uint64_t get_val(BitstreamContext *bc, unsigned n)
     ^
131. {
132. #ifdef BITSTREAM_READER_LE

libavcodec/bitstream.h:130:1: Parameter `bc->bits_left`
    128. }
    129. 
    130. static inline uint64_t get_val(BitstreamContext *bc, unsigned n)
         ^
    131. {
    132. #ifdef BITSTREAM_READER_LE

libavcodec/bitstream.h:130:1: <RHS trace>
128. }
129. 
130. static inline uint64_t get_val(BitstreamContext *bc, unsigned n)
     ^
131. {
132. #ifdef BITSTREAM_READER_LE

libavcodec/bitstream.h:130:1: Parameter `n`
    128. }
    129. 
    130. static inline uint64_t get_val(BitstreamContext *bc, unsigned n)
         ^
    131. {
    132. #ifdef BITSTREAM_READER_LE

libavcodec/bitstream.h:139:5: Binary operation: ([0, +oo] - 1):unsigned32 by call to `bitstream_read_bit` 
    137.     bc->bits <<= n;
    138. #endif
    139.     bc->bits_left -= n;
             ^
    140. 
    141.     return ret;
