crypto/bn/bn_prime.c:527: error: BUFFER_OVERRUN_L3
  Offset added: [8, +oo] Size: [0, 536870848] by call to `BN_rand`.
Showing all 21 steps of the trace


crypto/bn/bn_prime.c:518:10: Call
516.       bits--;
517.       BN_CTX_start(ctx);
518.       t1 = BN_CTX_get(ctx);
                ^
519.       q = BN_CTX_get(ctx);
520.       qadd = BN_CTX_get(ctx);

crypto/bn/bn_ctx.c:240:5: Call
  238.       }
  239.       /* OK, make sure the returned bignum is "zero" */
  240.       BN_zero(ret);
             ^
  241.       /* clear BN_FLG_CONSTTIME if leaked from previous frames */
  242.       ret->flags &= (~BN_FLG_CONSTTIME);

crypto/bn/bn_lib.c:361:1: Parameter `*a->d`
    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->d`
      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_prime.c:527:10: Call
525.           goto err;
526.   
527.       if (!BN_rand(q, bits, BN_RAND_TOP_ONE, BN_RAND_BOTTOM_ODD))
                ^
528.           goto err;
529.   

crypto/bn/bn_rand.c:106:1: Parameter `*rnd->d`
  104.       return bnrand(NORMAL, rnd, bits, top, bottom, ctx);
  105.   }
  106. > int BN_rand(BIGNUM *rnd, int bits, int top, int bottom)
  107.   {
  108.       return bnrand(NORMAL, rnd, bits, top, bottom, NULL);

crypto/bn/bn_rand.c:108:12: Call
  106.   int BN_rand(BIGNUM *rnd, int bits, int top, int bottom)
  107.   {
  108.       return bnrand(NORMAL, rnd, bits, top, bottom, NULL);
                    ^
  109.   }
  110.   

crypto/bn/bn_rand.c:23:1: Parameter `*rnd->d`
    21.   } BNRAND_FLAG;
    22.   
    23. > static int bnrand(BNRAND_FLAG flag, BIGNUM *rnd, int bits, int top, int bottom,
    24.                     BN_CTX *ctx)
    25.   {

crypto/bn/bn_rand.c:89:10: Call
    87.       if (bottom)                 /* set bottom bit if requested */
    88.           buf[bytes - 1] |= 1;
    89.       if (!BN_bin2bn(buf, bytes, rnd))
                   ^
    90.           goto err;
    91.       ret = 1;

crypto/bn/bn_lib.c:374:1: Parameter `*ret->d`
      372.   }
      373.   
      374. > BIGNUM *BN_bin2bn(const unsigned char *s, int len, BIGNUM *ret)
      375.   {
      376.       unsigned int i, m;

crypto/bn/bn_lib.c:396:9: Call
      394.       i = ((n - 1) / BN_BYTES) + 1;
      395.       m = ((n - 1) % (BN_BYTES));
      396.       if (bn_wexpand(ret, (int)i) == NULL) {
                     ^
      397.           BN_free(bn);
      398.           return NULL;

crypto/bn/bn_lib.c:962:1: Parameter `*a->d`
        960.   }
        961.   
        962. > BIGNUM *bn_wexpand(BIGNUM *a, int words)
        963.   {
        964.       return (words <= a->dmax) ? a : bn_expand2(a, words);

crypto/bn/bn_lib.c:964:37: Call
        962.   BIGNUM *bn_wexpand(BIGNUM *a, int words)
        963.   {
        964.       return (words <= a->dmax) ? a : bn_expand2(a, words);
                                                   ^
        965.   }
        966.   

crypto/bn/bn_lib.c:245:1: Parameter `*b->d`
          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 `*b->d`
            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:232:9: Array access: Offset added: [8, +oo] Size: [0, 536870848] by call to `BN_rand` 
            230.       assert(b->top <= words);
            231.       if (b->top > 0)
            232.           memcpy(a, b->d, sizeof(*a) * b->top);
                           ^
            233.   
            234.       return a;
