crypto/bn/bn_prime.c:453: error: BUFFER_OVERRUN_L3
  Offset added: [8, +oo] Size: [0, 67108856] by call to `BN_add_word`.
Showing all 24 steps of the trace


crypto/bn/bn_prime.c:378:1: Parameter `rnd->top`
376.   }
377.   
378. > static int probable_prime(BIGNUM *rnd, int bits, prime_t *mods)
379.   {
380.       int i;

crypto/bn/bn_prime.c:387:10: Call
385.    again:
386.       /* TODO: Not all primes are private */
387.       if (!BN_priv_rand(rnd, bits, BN_RAND_TOP_TWO, BN_RAND_BOTTOM_ODD))
                ^
388.           return 0;
389.       /* we now have a random number 'rnd' to test. */

crypto/bn/bn_rand.c:124:1: Parameter `rnd->top`
  122.   }
  123.   
  124. > int BN_priv_rand(BIGNUM *rnd, int bits, int top, int bottom)
  125.   {
  126.       return bnrand(PRIVATE, rnd, bits, top, bottom);

crypto/bn/bn_rand.c:126:12: Call
  124.   int BN_priv_rand(BIGNUM *rnd, int bits, int top, int bottom)
  125.   {
  126.       return bnrand(PRIVATE, rnd, bits, top, bottom);
                    ^
  127.   }
  128.   

crypto/bn/bn_rand.c:23:1: Parameter `rnd->top`
    21.   } BNRAND_FLAG;
    22.   
    23. > static int bnrand(BNRAND_FLAG flag, BIGNUM *rnd, int bits, int top, int bottom)
    24.   {
    25.       unsigned char *buf = NULL;

crypto/bn/bn_prime.c:453:10: Call
451.           }
452.       }
453.       if (!BN_add_word(rnd, delta))
                ^
454.           return 0;
455.       if (BN_num_bits(rnd) != bits)

crypto/bn/bn_word.c:120:10: Assignment
  118.           return i;
  119.       }
  120.       for (i = 0; w != 0 && i < a->top; i++) {
                  ^
  121.           a->d[i] = l = (a->d[i] + w) & BN_MASK2;
  122.           w = (w > l) ? 1 : 0;

crypto/bn/bn_word.c:125:13: Call
  123.       }
  124.       if (w && i == a->top) {
  125.           if (bn_wexpand(a, a->top + 1) == NULL)
                     ^
  126.               return 0;
  127.           a->top++;

crypto/bn/bn_lib.c:962:1: Parameter `a->top`
    960.   }
    961.   
    962. > BIGNUM *bn_wexpand(BIGNUM *a, int words)
    963.   {
    964.       return (words <= a->dmax) ? a : bn_expand2(a, words);

crypto/bn/bn_lib.c:964:37: Call
    962.   BIGNUM *bn_wexpand(BIGNUM *a, int words)
    963.   {
    964.       return (words <= a->dmax) ? a : bn_expand2(a, words);
                                               ^
    965.   }
    966.   

crypto/bn/bn_lib.c:245:1: Parameter `b->top`
      243.    */
      244.   
      245. > BIGNUM *bn_expand2(BIGNUM *b, int words)
      246.   {
      247.       if (words > b->dmax) {

crypto/bn/bn_lib.c:248:23: Call
      246.   {
      247.       if (words > b->dmax) {
      248.           BN_ULONG *a = bn_expand_internal(b, words);
                                   ^
      249.           if (!a)
      250.               return NULL;

crypto/bn/bn_lib.c:209:1: <Offset trace>
207.   /* This is used by bn_expand2() */
208.   /* The caller MUST check that words > b->dmax before calling this */
209. > static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)
210.   {
211.       BN_ULONG *a = NULL;

crypto/bn/bn_lib.c:209:1: Parameter `b->top`
        207.   /* This is used by bn_expand2() */
        208.   /* The caller MUST check that words > b->dmax before calling this */
        209. > static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)
        210.   {
        211.       BN_ULONG *a = NULL;

crypto/bn/bn_lib.c:209:1: <Length trace>
207.   /* This is used by bn_expand2() */
208.   /* The caller MUST check that words > b->dmax before calling this */
209. > static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)
210.   {
211.       BN_ULONG *a = NULL;

crypto/bn/bn_lib.c:209:1: Parameter `words`
        207.   /* This is used by bn_expand2() */
        208.   /* The caller MUST check that words > b->dmax before calling this */
        209. > static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)
        210.   {
        211.       BN_ULONG *a = NULL;

crypto/bn/bn_lib.c:224:13: Call
        222.           a = OPENSSL_secure_zalloc(words * sizeof(*a));
        223.       else
        224.           a = OPENSSL_zalloc(words * sizeof(*a));
                           ^
        225.       if (a == NULL) {
        226.           BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE);

crypto/mem.c:228:1: Parameter `num`
          226.   }
          227.   
          228. > void *CRYPTO_zalloc(size_t num, const char *file, int line)
          229.   {
          230.       void *ret = CRYPTO_malloc(num, file, line);

crypto/mem.c:230:17: Call
          228.   void *CRYPTO_zalloc(size_t num, const char *file, int line)
          229.   {
          230.       void *ret = CRYPTO_malloc(num, file, line);
                                 ^
          231.   
          232.       FAILTEST();

crypto/mem.c:201:9: Assignment
            199.   
            200.       if (num == 0)
            201.           return NULL;
                           ^
            202.   
            203.       FAILTEST();

crypto/mem.c:230:5: Assignment
          228.   void *CRYPTO_zalloc(size_t num, const char *file, int line)
          229.   {
          230.       void *ret = CRYPTO_malloc(num, file, line);
                     ^
          231.   
          232.       FAILTEST();

crypto/mem.c:235:5: Assignment
          233.       if (ret != NULL)
          234.           memset(ret, 0, num);
          235.       return ret;
                     ^
          236.   }
          237.   

crypto/bn/bn_lib.c:224:9: Assignment
        222.           a = OPENSSL_secure_zalloc(words * sizeof(*a));
        223.       else
        224.           a = OPENSSL_zalloc(words * sizeof(*a));
                       ^
        225.       if (a == NULL) {
        226.           BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE);

crypto/bn/bn_lib.c:232:9: Array access: Offset added: [8, +oo] Size: [0, 67108856] by call to `BN_add_word` 
        230.       assert(b->top <= words);
        231.       if (b->top > 0)
        232.           memcpy(a, b->d, sizeof(*a) * b->top);
                       ^
        233.   
        234.       return a;
