crypto/bn/bn_prime.c:128: 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:87:1: Parameter `ret->top`
85.   }
86.   
87. > int BN_generate_prime_ex(BIGNUM *ret, int bits, int safe,
88.                            const BIGNUM *add, const BIGNUM *rem, BN_GENCB *cb)
89.   {

crypto/bn/bn_prime.c:128:18: Call
126.                   goto err;
127.           } else {
128.               if (!bn_probable_prime_dh(ret, bits, add, rem, ctx))
                        ^
129.                   goto err;
130.           }

crypto/bn/bn_prime.c:461:1: Parameter `rnd->top`
  459.   }
  460.   
  461. > int bn_probable_prime_dh(BIGNUM *rnd, int bits,
  462.                            const BIGNUM *add, const BIGNUM *rem, BN_CTX *ctx)
  463.   {

crypto/bn/bn_prime.c:471:10: Call
  469.           goto err;
  470.   
  471.       if (!BN_rand(rnd, bits, BN_RAND_TOP_ONE, BN_RAND_BOTTOM_ODD))
                  ^
  472.           goto err;
  473.   

crypto/bn/bn_rand.c:114:1: Parameter `rnd->top`
    112.   }
    113.   
    114. > int BN_rand(BIGNUM *rnd, int bits, int top, int bottom)
    115.   {
    116.       return bnrand(NORMAL, rnd, bits, top, bottom);

crypto/bn/bn_rand.c:116:12: Call
    114.   int BN_rand(BIGNUM *rnd, int bits, int top, int bottom)
    115.   {
    116.       return bnrand(NORMAL, rnd, bits, top, bottom);
                      ^
    117.   }
    118.   

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_rand.c:31:9: Call
      29.           if (top != BN_RAND_TOP_ANY || bottom != BN_RAND_BOTTOM_ANY)
      30.               goto toosmall;
      31.           BN_zero(rnd);
                    ^
      32.           return 1;
      33.       }

crypto/bn/bn_lib.c:361:1: Parameter `a->top`
        359.   }
        360.   
        361. > int BN_set_word(BIGNUM *a, BN_ULONG w)
        362.   {
        363.       bn_check_top(a);

crypto/bn/bn_lib.c:364:9: Call
        362.   {
        363.       bn_check_top(a);
        364.       if (bn_expand(a, (int)sizeof(BN_ULONG) * 8) == NULL)
                       ^
        365.           return 0;
        366.       a->neg = 0;

crypto/bn/bn_lcl.h:660:1: Parameter `a->top`
          658.                            const BIGNUM *add, const BIGNUM *rem, BN_CTX *ctx);
          659.   
          660. > static ossl_inline BIGNUM *bn_expand(BIGNUM *a, int bits)
          661.   {
          662.       if (bits > (INT_MAX - BN_BITS2 + 1))

crypto/bn/bn_lcl.h:668:12: Call
          666.           return a;
          667.   
          668.       return bn_expand2((a),(bits+BN_BITS2-1)/BN_BITS2);
                            ^
          669.   }
          670.   

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_probable_prime_dh` 
              230.       assert(b->top <= words);
              231.       if (b->top > 0)
              232.           memcpy(a, b->d, sizeof(*a) * b->top);
                             ^
              233.   
              234.       return a;
