libavcodec/atrac3.c:278: error: Integer Overflow L2
  ([1, +oo] - 3):unsigned32 by call to `bitstream_read`.

libavcodec/atrac3.c:278:32: Call
276.     /* get the VLC selector table for the subbands, 0 means not coded */
277.     for (i = 0; i <= num_subbands; i++)
278.         subband_vlc_index[i] = bitstream_read(bc, 3);
                                    ^
279. 
280.     /* read the scale factor indexes from the stream */

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_spectrum(BitstreamContext *bc, float *output)\n{\n    int num_subbands, coding_mode, i, j, first, last, subband_size;\n    int subband_vlc_index[32], sf_index[32];\n    int mantissas[128];\n    float scale_factor;\n    num_subbands = bitstream_read(bc, 5);\n    coding_mode  = bitstream_read_bit(bc);\n    for (i = 0; i <= num_subbands; i++)\n        subband_vlc_index[i] = bitstream_read(bc, 3);\n    for (i = 0; i <= num_subbands; i++) {\n        if (subband_vlc_index[i] != 0)\n            sf_index[i] = bitstream_read(bc, 6);\n    }\n    for (i = 0; i <= num_subbands; i++) {\n        first = subband_tab[i    ];\n        last  = subband_tab[i + 1];\n        subband_size = last - first;\n        if (subband_vlc_index[i] != 0) {\n            read_quant_spectral_coeffs(bc, subband_vlc_index[i], coding_mode,\n                                       mantissas, subband_size);\n            scale_factor = ff_atrac_sf_table[sf_index[i]] *\n                           inv_max_quant[subband_vlc_index[i]];\n            for (j = 0; first < last; first++, j++)\n                output[first] = mantissas[j] * scale_factor;\n        } else {\n            memset(output + first, 0, subband_size * sizeof(*output));\n        }\n    }\n    first = subband_tab[i];\n    memset(output + first, 0, (SAMPLES_PER_FRAME - first) * sizeof(*output));\n    return num_subbands;\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}']