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:395:1: Parameter `a->top`
        393.   }
        394.   
        395. > int BN_set_word(BIGNUM *a, BN_ULONG w)
        396.   {
        397.       bn_check_top(a);

crypto/bn/bn_lib.c:398:9: Call
        396.   {
        397.       bn_check_top(a);
        398.       if (bn_expand(a, (int)sizeof(BN_ULONG) * 8) == NULL)
                       ^
        399.           return (0);
        400.       a->neg = 0;

crypto/bn/bn_lcl.h:658:1: Parameter `a->top`
          656.                            const BIGNUM *add, const BIGNUM *rem, BN_CTX *ctx);
          657.   
          658. > static ossl_inline BIGNUM *bn_expand(BIGNUM *a, int bits)
          659.   {
          660.       if (bits > (INT_MAX - BN_BITS2 + 1))

crypto/bn/bn_lcl.h:666:12: Call
          664.           return a;
          665.   
          666.       return bn_expand2((a),(bits+BN_BITS2-1)/BN_BITS2);
                            ^
          667.   }
          668.   

crypto/bn/bn_lib.c:284:1: Parameter `b->top`
            282.    */
            283.   
            284. > BIGNUM *bn_expand2(BIGNUM *b, int words)
            285.   {
            286.       bn_check_top(b);

crypto/bn/bn_lib.c:289:23: Call
            287.   
            288.       if (words > b->dmax) {
            289.           BN_ULONG *a = bn_expand_internal(b, words);
                                         ^
            290.           if (!a)
            291.               return NULL;

crypto/bn/bn_lib.c:246:1: <Offset trace>
244.   /* This is used by bn_expand2() */
245.   /* The caller MUST check that words > b->dmax before calling this */
246. > static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)
247.   {
248.       BN_ULONG *a = NULL;

crypto/bn/bn_lib.c:246:1: Parameter `b->top`
              244.   /* This is used by bn_expand2() */
              245.   /* The caller MUST check that words > b->dmax before calling this */
              246. > static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)
              247.   {
              248.       BN_ULONG *a = NULL;

crypto/bn/bn_lib.c:246:1: <Length trace>
244.   /* This is used by bn_expand2() */
245.   /* The caller MUST check that words > b->dmax before calling this */
246. > static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)
247.   {
248.       BN_ULONG *a = NULL;

crypto/bn/bn_lib.c:246:1: Parameter `words`
              244.   /* This is used by bn_expand2() */
              245.   /* The caller MUST check that words > b->dmax before calling this */
              246. > static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)
              247.   {
              248.       BN_ULONG *a = NULL;

crypto/bn/bn_lib.c:263:13: Call
              261.           a = OPENSSL_secure_zalloc(words * sizeof(*a));
              262.       else
              263.           a = OPENSSL_zalloc(words * sizeof(*a));
                                 ^
              264.       if (a == NULL) {
              265.           BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE);

crypto/mem.c:197:1: Parameter `num`
                195.   }
                196.   
                197. > void *CRYPTO_zalloc(size_t num, const char *file, int line)
                198.   {
                199.       void *ret = CRYPTO_malloc(num, file, line);

crypto/mem.c:199:17: Call
                197.   void *CRYPTO_zalloc(size_t num, const char *file, int line)
                198.   {
                199.       void *ret = CRYPTO_malloc(num, file, line);
                                       ^
                200.   
                201.       FAILTEST();

crypto/mem.c:177:9: Assignment
                  175.   
                  176.       if (num == 0)
                  177.           return NULL;
                                 ^
                  178.   
                  179.       FAILTEST();

crypto/mem.c:199:5: Assignment
                197.   void *CRYPTO_zalloc(size_t num, const char *file, int line)
                198.   {
                199.       void *ret = CRYPTO_malloc(num, file, line);
                           ^
                200.   
                201.       FAILTEST();

crypto/mem.c:204:5: Assignment
                202.       if (ret != NULL)
                203.           memset(ret, 0, num);
                204.       return ret;
                           ^
                205.   }
                206.   

crypto/bn/bn_lib.c:263:9: Assignment
              261.           a = OPENSSL_secure_zalloc(words * sizeof(*a));
              262.       else
              263.           a = OPENSSL_zalloc(words * sizeof(*a));
                             ^
              264.       if (a == NULL) {
              265.           BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE);

crypto/bn/bn_lib.c:271:9: Array access: Offset added: [8, +oo] Size: [0, 67108856] by call to `bn_probable_prime_dh` 
              269.       assert(b->top <= words);
              270.       if (b->top > 0)
              271.           memcpy(a, b->d, sizeof(*a) * b->top);
                             ^
              272.   
              273.       return a;
