crypto/bn/bn_x931p.c:228: error: BUFFER_OVERRUN_L3
  Offset added: [8, +oo] Size: [0, 67108856] by call to `BN_priv_rand`.
Showing all 24 steps of the trace


crypto/bn/bn_x931p.c:213:1: Parameter `Xp1->top`
211.    */
212.   
213. > int BN_X931_generate_prime_ex(BIGNUM *p, BIGNUM *p1, BIGNUM *p2,
214.                                 BIGNUM *Xp1, BIGNUM *Xp2,
215.                                 const BIGNUM *Xp,

crypto/bn/bn_x931p.c:228:10: Call
226.           goto error;
227.   
228.       if (!BN_priv_rand(Xp1, 101, BN_RAND_TOP_ONE, BN_RAND_BOTTOM_ANY))
                ^
229.           goto error;
230.       if (!BN_priv_rand(Xp2, 101, BN_RAND_TOP_ONE, BN_RAND_BOTTOM_ANY))

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