libavcodec/atrac3.c:352: error: Integer Overflow L2
  ([1, +oo] - 3):unsigned32 by call to `bitstream_read`.

libavcodec/atrac3.c:352:28: Call
350.         coded_values_per_component = bitstream_read(bc, 3);
351. 
352.         quant_step_index = bitstream_read(bc, 3);
                                ^
353.         if (quant_step_index <= 1)
354.             return AVERROR_INVALIDDATA;

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] - 3):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 decode_tonal_components(BitstreamContext *bc,\n                                   TonalComponent *components, int num_bands)\n{\n    int i, b, c, m;\n    int nb_components, coding_mode_selector, coding_mode;\n    int band_flags[4], mantissa[8];\n    int component_count = 0;\n    nb_components = bitstream_read(bc, 5);\n    if (nb_components == 0)\n        return 0;\n    coding_mode_selector = bitstream_read(bc, 2);\n    if (coding_mode_selector == 2)\n        return AVERROR_INVALIDDATA;\n    coding_mode = coding_mode_selector & 1;\n    for (i = 0; i < nb_components; i++) {\n        int coded_values_per_component, quant_step_index;\n        for (b = 0; b <= num_bands; b++)\n            band_flags[b] = bitstream_read_bit(bc);\n        coded_values_per_component = bitstream_read(bc, 3);\n        quant_step_index = bitstream_read(bc, 3);\n        if (quant_step_index <= 1)\n            return AVERROR_INVALIDDATA;\n        if (coding_mode_selector == 3)\n            coding_mode = bitstream_read_bit(bc);\n        for (b = 0; b < (num_bands + 1) * 4; b++) {\n            int coded_components;\n            if (band_flags[b >> 2] == 0)\n                continue;\n            coded_components = bitstream_read(bc, 3);\n            for (c = 0; c < coded_components; c++) {\n                TonalComponent *cmp = &components[component_count];\n                int sf_index, coded_values, max_coded_values;\n                float scale_factor;\n                sf_index = bitstream_read(bc, 6);\n                if (component_count >= 64)\n                    return AVERROR_INVALIDDATA;\n                cmp->pos = b * 64 + bitstream_read(bc, 6);\n                max_coded_values = SAMPLES_PER_FRAME - cmp->pos;\n                coded_values     = coded_values_per_component + 1;\n                coded_values     = FFMIN(max_coded_values, coded_values);\n                scale_factor = ff_atrac_sf_table[sf_index] *\n                               inv_max_quant[quant_step_index];\n                read_quant_spectral_coeffs(bc, quant_step_index, coding_mode,\n                                           mantissa, coded_values);\n                cmp->num_coefs = coded_values;\n                for (m = 0; m < coded_values; m++)\n                    cmp->coef[m] = mantissa[m] * scale_factor;\n                component_count++;\n            }\n        }\n    }\n    return component_count;\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}']