crypto/bn/bn_prime.c:93: error: BUFFER_OVERRUN_L3
  Offset added: [8, +oo] Size: [0, 67108856] by call to `bn_probable_prime_dh`.
Showing all 26 steps of the trace


crypto/bn/bn_prime.c:52:1: Parameter `ret->top`
50.   }
51.   
52. > int BN_generate_prime_ex(BIGNUM *ret, int bits, int safe,
53.                            const BIGNUM *add, const BIGNUM *rem, BN_GENCB *cb)
54.   {

crypto/bn/bn_prime.c:93:18: Call
91.                   goto err;
92.           } else {
93.               if (!bn_probable_prime_dh(ret, bits, add, rem, ctx))
                       ^
94.                   goto err;
95.           }

crypto/bn/bn_prime.c:356:1: Parameter `rnd->top`
  354.   }
  355.   
  356. > int bn_probable_prime_dh(BIGNUM *rnd, int bits,
  357.                            const BIGNUM *add, const BIGNUM *rem, BN_CTX *ctx)
  358.   {

crypto/bn/bn_prime.c:366:10: Call
  364.           goto err;
  365.   
  366.       if (!BN_priv_rand(rnd, bits, BN_RAND_TOP_ONE, BN_RAND_BOTTOM_ODD))
                  ^
  367.           goto err;
  368.   

crypto/bn/bn_rand.c:107:1: Parameter `rnd->top`
    105.   }
    106.   
    107. > int BN_priv_rand(BIGNUM *rnd, int bits, int top, int bottom)
    108.   {
    109.       return bnrand(PRIVATE, rnd, bits, top, bottom);

crypto/bn/bn_rand.c:109:12: Call
    107.   int BN_priv_rand(BIGNUM *rnd, int bits, int top, int bottom)
    108.   {
    109.       return bnrand(PRIVATE, rnd, bits, top, bottom);
                      ^
    110.   }
    111.   

crypto/bn/bn_rand.c:21:1: Parameter `rnd->top`
      19.   } BNRAND_FLAG;
      20.   
      21. > static int bnrand(BNRAND_FLAG flag, BIGNUM *rnd, int bits, int top, int bottom)
      22.   {
      23.       unsigned char *buf = NULL;

crypto/bn/bn_rand.c:29:9: Call
      27.           if (top != BN_RAND_TOP_ANY || bottom != BN_RAND_BOTTOM_ANY)
      28.               goto toosmall;
      29.           BN_zero(rnd);
                    ^
      30.           return 1;
      31.       }

crypto/bn/bn_lib.c:387:1: Parameter `a->top`
        385.   }
        386.   
        387. > int BN_set_word(BIGNUM *a, BN_ULONG w)
        388.   {
        389.       bn_check_top(a);

crypto/bn/bn_lib.c:390:9: Call
        388.   {
        389.       bn_check_top(a);
        390.       if (bn_expand(a, (int)sizeof(BN_ULONG) * 8) == NULL)
                       ^
        391.           return 0;
        392.       a->neg = 0;

crypto/bn/bn_lcl.h:651:1: Parameter `a->top`
          649.                            const BIGNUM *add, const BIGNUM *rem, BN_CTX *ctx);
          650.   
          651. > static ossl_inline BIGNUM *bn_expand(BIGNUM *a, int bits)
          652.   {
          653.       if (bits > (INT_MAX - BN_BITS2 + 1))

crypto/bn/bn_lcl.h:659:12: Call
          657.           return a;
          658.   
          659.       return bn_expand2((a),(bits+BN_BITS2-1)/BN_BITS2);
                            ^
          660.   }
          661.   

crypto/bn/bn_lib.c:273:1: Parameter `b->top`
            271.    */
            272.   
            273. > BIGNUM *bn_expand2(BIGNUM *b, int words)
            274.   {
            275.       bn_check_top(b);

crypto/bn/bn_lib.c:278:23: Call
            276.   
            277.       if (words > b->dmax) {
            278.           BN_ULONG *a = bn_expand_internal(b, words);
                                         ^
            279.           if (!a)
            280.               return NULL;

crypto/bn/bn_lib.c:235:1: <Offset trace>
233.   /* This is used by bn_expand2() */
234.   /* The caller MUST check that words > b->dmax before calling this */
235. > static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)
236.   {
237.       BN_ULONG *a = NULL;

crypto/bn/bn_lib.c:235:1: Parameter `b->top`
              233.   /* This is used by bn_expand2() */
              234.   /* The caller MUST check that words > b->dmax before calling this */
              235. > static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)
              236.   {
              237.       BN_ULONG *a = NULL;

crypto/bn/bn_lib.c:235:1: <Length trace>
233.   /* This is used by bn_expand2() */
234.   /* The caller MUST check that words > b->dmax before calling this */
235. > static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)
236.   {
237.       BN_ULONG *a = NULL;

crypto/bn/bn_lib.c:235:1: Parameter `words`
              233.   /* This is used by bn_expand2() */
              234.   /* The caller MUST check that words > b->dmax before calling this */
              235. > static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)
              236.   {
              237.       BN_ULONG *a = NULL;

crypto/bn/bn_lib.c:252:13: Call
              250.           a = OPENSSL_secure_zalloc(words * sizeof(*a));
              251.       else
              252.           a = OPENSSL_zalloc(words * sizeof(*a));
                                 ^
              253.       if (a == NULL) {
              254.           BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE);

crypto/mem.c:218:1: Parameter `num`
                216.   }
                217.   
                218. > void *CRYPTO_zalloc(size_t num, const char *file, int line)
                219.   {
                220.       void *ret = CRYPTO_malloc(num, file, line);

crypto/mem.c:220:17: Call
                218.   void *CRYPTO_zalloc(size_t num, const char *file, int line)
                219.   {
                220.       void *ret = CRYPTO_malloc(num, file, line);
                                       ^
                221.   
                222.       FAILTEST();

crypto/mem.c:198:9: Assignment
                  196.   
                  197.       if (num == 0)
                  198.           return NULL;
                                 ^
                  199.   
                  200.       FAILTEST();

crypto/mem.c:220:5: Assignment
                218.   void *CRYPTO_zalloc(size_t num, const char *file, int line)
                219.   {
                220.       void *ret = CRYPTO_malloc(num, file, line);
                           ^
                221.   
                222.       FAILTEST();

crypto/mem.c:225:5: Assignment
                223.       if (ret != NULL)
                224.           memset(ret, 0, num);
                225.       return ret;
                           ^
                226.   }
                227.   

crypto/bn/bn_lib.c:252:9: Assignment
              250.           a = OPENSSL_secure_zalloc(words * sizeof(*a));
              251.       else
              252.           a = OPENSSL_zalloc(words * sizeof(*a));
                             ^
              253.       if (a == NULL) {
              254.           BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE);

crypto/bn/bn_lib.c:260:9: Array access: Offset added: [8, +oo] Size: [0, 67108856] by call to `bn_probable_prime_dh` 
              258.       assert(b->top <= words);
              259.       if (b->top > 0)
              260.           memcpy(a, b->d, sizeof(*a) * b->top);
                             ^
              261.   
              262.       return a;
