libavcodec/bink.c:432: error: Integer Overflow L2
  ([0, +oo] - 1):unsigned32 by call to `bitstream_read_bit`.

libavcodec/bink.c:421:1: Parameter `b->len`
419. }
420. 
421. static int read_colors(BitstreamContext *bc, Bundle *b, BinkContext *c)
     ^
422. {
423.     int t, sign, v;

libavcodec/bink.c:426:5: Call
424.     const uint8_t *dec_end;
425. 
426.     CHECK_READ_VAL(bc, b, t);
         ^
427.     dec_end = b->cur_dec + t;
428.     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:432:9: Call
430.         return AVERROR_INVALIDDATA;
431.     }
432.     if (bitstream_read_bit(bc)) {
             ^
433.         c->col_lastval = GET_HUFF(bc, c->col_high[c->col_lastval]);
434.         v = GET_HUFF(bc, b->tree);

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;

static inline uint64_t get_val(BitstreamContext *bc, unsigned n)
{
#ifdef BITSTREAM_READER_LE
    uint64_t ret = bc->bits & ((UINT64_C(1) << n) - 1);
    bc->bits >>= n;
#else
    uint64_t ret = bc->bits >> (64 - n);
    bc->bits <<= n;
#endif
    bc->bits_left -= n;
    return ret;
}
['static int read_colors(BitstreamContext *bc, Bundle *b, BinkContext *c)\n{\n    int t, sign, v;\n    const uint8_t *dec_end;\n    CHECK_READ_VAL(bc, b, t);\n    dec_end = b->cur_dec + t;\n    if (dec_end > b->data_end) {\n        av_log(c->avctx, AV_LOG_ERROR, "Too many color values\\n");\n        return AVERROR_INVALIDDATA;\n    }\n    if (bitstream_read_bit(bc)) {\n        c->col_lastval = GET_HUFF(bc, c->col_high[c->col_lastval]);\n        v = GET_HUFF(bc, b->tree);\n        v = (c->col_lastval << 4) | v;\n        if (c->version < \'i\') {\n            sign = ((int8_t) v) >> 7;\n            v = ((v & 0x7F) ^ sign) - sign;\n            v += 0x80;\n        }\n        memset(b->cur_dec, v, t);\n        b->cur_dec += t;\n    } else {\n        while (b->cur_dec < dec_end) {\n            c->col_lastval = GET_HUFF(bc, c->col_high[c->col_lastval]);\n            v = GET_HUFF(bc, b->tree);\n            v = (c->col_lastval << 4) | v;\n            if (c->version < \'i\') {\n                sign = ((int8_t) v) >> 7;\n                v = ((v & 0x7F) ^ sign) - sign;\n                v += 0x80;\n            }\n            *b->cur_dec++ = v;\n        }\n    }\n    return 0;\n}', 'static inline uint32_t bitstream_read(BitstreamContext *bc, unsigned n)\n{\n    if (!n)\n        return 0;\n    if (n > bc->bits_left) {\n        refill_32(bc);\n        if (bc->bits_left < 32)\n            bc->bits_left = n;\n    }\n    return get_val(bc, n);\n}', 'static inline unsigned bitstream_read_bit(BitstreamContext *bc)\n{\n    if (!bc->bits_left)\n        refill_64(bc);\n    return get_val(bc, 1);\n}', 'static inline uint64_t get_val(BitstreamContext *bc, unsigned n)\n{\n#ifdef BITSTREAM_READER_LE\n    uint64_t ret = bc->bits & ((UINT64_C(1) << n) - 1);\n    bc->bits >>= n;\n#else\n    uint64_t ret = bc->bits >> (64 - n);\n    bc->bits <<= n;\n#endif\n    bc->bits_left -= n;\n    return ret;\n}']