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:355:1: Parameter `rnd->top`
  353.   }
  354.   
  355. > int bn_probable_prime_dh(BIGNUM *rnd, int bits,
  356.                            const BIGNUM *add, const BIGNUM *rem, BN_CTX *ctx)
  357.   {

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

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

crypto/bn/bn_lib.c:361:9: Call
        359.   {
        360.       bn_check_top(a);
        361.       if (bn_expand(a, (int)sizeof(BN_ULONG) * 8) == NULL)
                       ^
        362.           return 0;
        363.       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:244:1: Parameter `b->top`
            242.    */
            243.   
            244. > BIGNUM *bn_expand2(BIGNUM *b, int words)
            245.   {
            246.       if (words > b->dmax) {

crypto/bn/bn_lib.c:247:23: Call
            245.   {
            246.       if (words > b->dmax) {
            247.           BN_ULONG *a = bn_expand_internal(b, words);
                                         ^
            248.           if (!a)
            249.               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:223:13: Call
              221.           a = OPENSSL_secure_zalloc(words * sizeof(*a));
              222.       else
              223.           a = OPENSSL_zalloc(words * sizeof(*a));
                                 ^
              224.       if (a == NULL) {
              225.           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:223:9: Assignment
              221.           a = OPENSSL_secure_zalloc(words * sizeof(*a));
              222.       else
              223.           a = OPENSSL_zalloc(words * sizeof(*a));
                             ^
              224.       if (a == NULL) {
              225.           BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE);

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