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:357:1: Parameter `rnd->top`
  355.   }
  356.   
  357. > int bn_probable_prime_dh(BIGNUM *rnd, int bits,
  358.                            const BIGNUM *add, const BIGNUM *rem, BN_CTX *ctx)
  359.   {

crypto/bn/bn_prime.c:367:10: Call
  365.           goto err;
  366.   
  367.       if (!BN_rand(rnd, bits, BN_RAND_TOP_ONE, BN_RAND_BOTTOM_ODD))
                  ^
  368.           goto err;
  369.   

crypto/bn/bn_rand.c:97:1: Parameter `rnd->top`
    95.   }
    96.   
    97. > int BN_rand(BIGNUM *rnd, int bits, int top, int bottom)
    98.   {
    99.       return bnrand(NORMAL, rnd, bits, top, bottom);

crypto/bn/bn_rand.c:99:12: Call
    97.   int BN_rand(BIGNUM *rnd, int bits, int top, int bottom)
    98.   {
    99.       return bnrand(NORMAL, rnd, bits, top, bottom);
                      ^
    100.   }
    101.   

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:357:1: Parameter `a->top`
        355.   }
        356.   
        357. > int BN_set_word(BIGNUM *a, BN_ULONG w)
        358.   {
        359.       bn_check_top(a);

crypto/bn/bn_lib.c:360:9: Call
        358.   {
        359.       bn_check_top(a);
        360.       if (bn_expand(a, (int)sizeof(BN_ULONG) * 8) == NULL)
                       ^
        361.           return 0;
        362.       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:246:1: Parameter `b->top`
            244.    */
            245.   
            246. > BIGNUM *bn_expand2(BIGNUM *b, int words)
            247.   {
            248.       bn_check_top(b);

crypto/bn/bn_lib.c:251:23: Call
            249.   
            250.       if (words > b->dmax) {
            251.           BN_ULONG *a = bn_expand_internal(b, words);
                                         ^
            252.           if (!a)
            253.               return NULL;

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

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

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

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

crypto/bn/bn_lib.c:225:13: Call
              223.           a = OPENSSL_secure_zalloc(words * sizeof(*a));
              224.       else
              225.           a = OPENSSL_zalloc(words * sizeof(*a));
                                 ^
              226.       if (a == NULL) {
              227.           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:225:9: Assignment
              223.           a = OPENSSL_secure_zalloc(words * sizeof(*a));
              224.       else
              225.           a = OPENSSL_zalloc(words * sizeof(*a));
                             ^
              226.       if (a == NULL) {
              227.           BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE);

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