libavcodec/vorbis_dec.c:324: error: Integer Overflow L2
  ([0, +oo] - 1):unsigned32 by call to `ff_vorbis_nth_root`.

libavcodec/vorbis_dec.c:316:39: Call
314.         }
315. 
316.         codebook_setup->lookup_type = get_bits(gb, 4);
                                           ^
317. 
318.         AV_DEBUG(" lookup type: %d : %s \n", codebook_setup->lookup_type, codebook_setup->lookup_type ? "vq" : "no lookup");

libavcodec/get_bits.h:388:5: Call
  386.     register int tmp;
  387.     OPEN_READER(re, s)
  388.     UPDATE_CACHE(re, s)
           ^
  389.     tmp= SHOW_UBITS(re, s, n);
  390.     LAST_SKIP_BITS(re, s, n)

libavutil/bswap.h:54:1: Parameter `x`
    52. 
    53. #ifndef bswap_32
    54. static av_always_inline av_const uint32_t bswap_32(uint32_t x)
        ^
    55. {
    56.     x= ((x<<8)&0xFF00FF00) | ((x>>8)&0x00FF00FF);

libavutil/bswap.h:56:5: Assignment
    54. static av_always_inline av_const uint32_t bswap_32(uint32_t x)
    55. {
    56.     x= ((x<<8)&0xFF00FF00) | ((x>>8)&0x00FF00FF);
            ^
    57.     x= (x>>16) | (x<<16);
    58.     return x;

libavutil/bswap.h:57:5: Assignment
    55. {
    56.     x= ((x<<8)&0xFF00FF00) | ((x>>8)&0x00FF00FF);
    57.     x= (x>>16) | (x<<16);
            ^
    58.     return x;
    59. }

libavutil/bswap.h:58:5: Assignment
    56.     x= ((x<<8)&0xFF00FF00) | ((x>>8)&0x00FF00FF);
    57.     x= (x>>16) | (x<<16);
    58.     return x;
            ^
    59. }
    60. #endif

libavcodec/get_bits.h:388:5: Assignment
  386.     register int tmp;
  387.     OPEN_READER(re, s)
  388.     UPDATE_CACHE(re, s)
           ^
  389.     tmp= SHOW_UBITS(re, s, n);
  390.     LAST_SKIP_BITS(re, s, n)

libavcodec/get_bits.h:389:5: Assignment
  387.     OPEN_READER(re, s)
  388.     UPDATE_CACHE(re, s)
  389.     tmp= SHOW_UBITS(re, s, n);
           ^
  390.     LAST_SKIP_BITS(re, s, n)
  391.     CLOSE_READER(re, s)

libavcodec/get_bits.h:392:5: Assignment
  390.     LAST_SKIP_BITS(re, s, n)
  391.     CLOSE_READER(re, s)
  392.     return tmp;
           ^
  393. }
  394. 

libavcodec/vorbis_dec.c:316:9: Assignment
314.         }
315. 
316.         codebook_setup->lookup_type = get_bits(gb, 4);
             ^
317. 
318.         AV_DEBUG(" lookup type: %d : %s \n", codebook_setup->lookup_type, codebook_setup->lookup_type ? "vq" : "no lookup");

libavcodec/vorbis_dec.c:324:52: Call
322.         if (codebook_setup->lookup_type == 1) {
323.             uint_fast16_t i, j, k;
324.             uint_fast16_t codebook_lookup_values = ff_vorbis_nth_root(entries, codebook_setup->dimensions);
                                                        ^
325.             uint_fast16_t codebook_multiplicands[codebook_lookup_values];
326. 

libavcodec/vorbis.c:36:1: <LHS trace>
34. 
35. // x^(1/n)
36. unsigned int ff_vorbis_nth_root(unsigned int x, unsigned int n)
    ^
37. {
38.     unsigned int ret = 0, i, j;

libavcodec/vorbis.c:36:1: Parameter `n`
  34. 
  35. // x^(1/n)
  36. unsigned int ff_vorbis_nth_root(unsigned int x, unsigned int n)
      ^
  37. {
  38.     unsigned int ret = 0, i, j;

libavcodec/vorbis.c:42:30: Binary operation: ([0, +oo] - 1):unsigned32 by call to `ff_vorbis_nth_root` 
  40.     do {
  41.         ++ret;
  42.         for (i = 0, j = ret; i < n - 1; i++)
                                   ^
  43.             j *= ret;
  44.     } while (j <= x);
