libavcodec/wavpack.c:313: error: Integer Overflow L2
  ([1, +oo] - [1, 32]):unsigned32 by call to `bitstream_read`.

libavcodec/wavpack.c:309:17: Call
307.             }
308.         } else {
309.             t = get_unary_0_33(bc);
                     ^
310.             if (t >= 2) {
311.                 if (bitstream_bits_left(bc) < t - 1)

libavcodec/unary.h:49:12: Call
  47. static inline int get_unary_0_33(BitstreamContext *bc)
  48. {
  49.     return get_unary(bc, 0, 33);
                 ^
  50. }
  51. 

libavcodec/unary.h:33:1: Parameter `len`
    31.  * @return Unary length/index
    32.  */
    33. static inline int get_unary(BitstreamContext *bc, int stop, int len)
        ^
    34. {
    35.     int i;

libavcodec/unary.h:39:5: Assignment
    37.     for (i = 0; i < len && bitstream_read_bit(bc) != stop; i++)
    38.         ;
    39.     return i;
            ^
    40. }
    41. 

libavcodec/unary.h:49:5: Assignment
  47. static inline int get_unary_0_33(BitstreamContext *bc)
  48. {
  49.     return get_unary(bc, 0, 33);
          ^
  50. }
  51. 

libavcodec/wavpack.c:309:13: Assignment
307.             }
308.         } else {
309.             t = get_unary_0_33(bc);
                 ^
310.             if (t >= 2) {
311.                 if (bitstream_bits_left(bc) < t - 1)

libavcodec/wavpack.c:313:21: Call
311.                 if (bitstream_bits_left(bc) < t - 1)
312.                     goto error;
313.                 t = bitstream_read(bc, t - 1) | (1 << (t - 1));
                         ^
314.             } else {
315.                 if (bitstream_bits_left(bc) < 0)

libavcodec/bitstream.h:183:1: Parameter `n`
  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/bitstream.h:194:12: Call
  192.     }
  193. 
  194.     return get_val(bc, n);
                  ^
  195. }
  196. 

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: ([1, +oo] - [1, 32]):unsigned32 by call to `bitstream_read` 
    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 wv_get_value(WavpackFrameContext *ctx, BitstreamContext *bc,\n                        int channel, int *last)\n{\n    int t, t2;\n    int sign, base, add, ret;\n    WvChannel *c = &ctx->ch[channel];\n    *last = 0;\n    if ((ctx->ch[0].median[0] < 2U) && (ctx->ch[1].median[0] < 2U) &&\n        !ctx->zero && !ctx->one) {\n        if (ctx->zeroes) {\n            ctx->zeroes--;\n            if (ctx->zeroes) {\n                c->slow_level -= LEVEL_DECAY(c->slow_level);\n                return 0;\n            }\n        } else {\n            t = get_unary_0_33(bc);\n            if (t >= 2) {\n                if (bitstream_bits_left(bc) < t - 1)\n                    goto error;\n                t = bitstream_read(bc, t - 1) | (1 << (t - 1));\n            } else {\n                if (bitstream_bits_left(bc) < 0)\n                    goto error;\n            }\n            ctx->zeroes = t;\n            if (ctx->zeroes) {\n                memset(ctx->ch[0].median, 0, sizeof(ctx->ch[0].median));\n                memset(ctx->ch[1].median, 0, sizeof(ctx->ch[1].median));\n                c->slow_level -= LEVEL_DECAY(c->slow_level);\n                return 0;\n            }\n        }\n    }\n    if (ctx->zero) {\n        t         = 0;\n        ctx->zero = 0;\n    } else {\n        t = get_unary_0_33(bc);\n        if (bitstream_bits_left(bc) < 0)\n            goto error;\n        if (t == 16) {\n            t2 = get_unary_0_33(bc);\n            if (t2 < 2) {\n                if (bitstream_bits_left(bc) < 0)\n                    goto error;\n                t += t2;\n            } else {\n                if (bitstream_bits_left(bc) < t2 - 1)\n                    goto error;\n                t += bitstream_read(bc, t2 - 1) | (1 << (t2 - 1));\n            }\n        }\n        if (ctx->one) {\n            ctx->one = t & 1;\n            t        = (t >> 1) + 1;\n        } else {\n            ctx->one = t & 1;\n            t      >>= 1;\n        }\n        ctx->zero = !ctx->one;\n    }\n    if (ctx->hybrid && !channel)\n        update_error_limit(ctx);\n    if (!t) {\n        base = 0;\n        add  = GET_MED(0) - 1;\n        DEC_MED(0);\n    } else if (t == 1) {\n        base = GET_MED(0);\n        add  = GET_MED(1) - 1;\n        INC_MED(0);\n        DEC_MED(1);\n    } else if (t == 2) {\n        base = GET_MED(0) + GET_MED(1);\n        add  = GET_MED(2) - 1;\n        INC_MED(0);\n        INC_MED(1);\n        DEC_MED(2);\n    } else {\n        base = GET_MED(0) + GET_MED(1) + GET_MED(2) * (t - 2);\n        add  = GET_MED(2) - 1;\n        INC_MED(0);\n        INC_MED(1);\n        INC_MED(2);\n    }\n    if (!c->error_limit) {\n        ret = base + get_tail(bc, add);\n        if (bitstream_bits_left(bc) <= 0)\n            goto error;\n    } else {\n        int mid = (base * 2 + add + 1) >> 1;\n        while (add > c->error_limit) {\n            if (bitstream_bits_left(bc) <= 0)\n                goto error;\n            if (bitstream_read_bit(bc)) {\n                add -= (mid - base);\n                base = mid;\n            } else\n                add = mid - base - 1;\n            mid = (base * 2 + add + 1) >> 1;\n        }\n        ret = mid;\n    }\n    sign = bitstream_read_bit(bc);\n    if (ctx->hybrid_bitrate)\n        c->slow_level += wp_log2(ret) - LEVEL_DECAY(c->slow_level);\n    return sign ? ~ret : ret;\nerror:\n    *last = 1;\n    return 0;\n}', 'static inline int get_unary_0_33(BitstreamContext *bc)\n{\n    return get_unary(bc, 0, 33);\n}', 'static inline int get_unary(BitstreamContext *bc, int stop, int len)\n{\n    int i;\n    for (i = 0; i < len && bitstream_read_bit(bc) != stop; i++)\n        ;\n    return i;\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 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}']