crypto/rsa/rsa_x931g.c:169: error: BUFFER_OVERRUN_L3
  Offset added: [8, +oo] Size: [0, +oo] by call to `BN_X931_generate_prime_ex`.
Showing all 33 steps of the trace


crypto/rsa/rsa_x931g.c:155:10: Call
153.   
154.       BN_CTX_start(ctx);
155.       Xp = BN_CTX_get(ctx);
                ^
156.       Xq = BN_CTX_get(ctx);
157.       if (Xq == NULL)

crypto/bn/bn_ctx.c:229:5: Call
  227.       }
  228.       /* OK, make sure the returned bignum is "zero" */
  229.       BN_zero(ret);
             ^
  230.       ctx->used++;
  231.       CTXDBG_RET(ctx, ret);

crypto/bn/bn_lib.c:387:1: Parameter `*a->d`
    385.   }
    386.   
    387. > int BN_set_word(BIGNUM *a, BN_ULONG w)
    388.   {
    389.       bn_check_top(a);

crypto/bn/bn_lib.c:390:9: Call
    388.   {
    389.       bn_check_top(a);
    390.       if (bn_expand(a, (int)sizeof(BN_ULONG) * 8) == NULL)
                   ^
    391.           return 0;
    392.       a->neg = 0;

crypto/bn/bn_lcl.h:651:1: Parameter `*a->d`
      649.                            const BIGNUM *add, const BIGNUM *rem, BN_CTX *ctx);
      650.   
      651. > static ossl_inline BIGNUM *bn_expand(BIGNUM *a, int bits)
      652.   {
      653.       if (bits > (INT_MAX - BN_BITS2 + 1))

crypto/rsa/rsa_x931g.c:159:10: Call
157.       if (Xq == NULL)
158.           goto error;
159.       if (!BN_X931_generate_Xpq(Xp, Xq, bits, ctx))
                ^
160.           goto error;
161.   

crypto/bn/bn_x931p.c:160:1: Parameter `*Xp->d`
  158.    */
  159.   
  160. > int BN_X931_generate_Xpq(BIGNUM *Xp, BIGNUM *Xq, int nbits, BN_CTX *ctx)
  161.   {
  162.       BIGNUM *t;

crypto/bn/bn_x931p.c:176:10: Call
  174.        * exceeded.
  175.        */
  176.       if (!BN_priv_rand(Xp, nbits, BN_RAND_TOP_TWO, BN_RAND_BOTTOM_ANY))
                  ^
  177.           goto err;
  178.   

crypto/bn/bn_rand.c:107:1: Parameter `*rnd->d`
    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->d`
      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:84:10: Call
      82.       if (bottom)                 /* set bottom bit if requested */
      83.           buf[bytes - 1] |= 1;
      84.       if (!BN_bin2bn(buf, bytes, rnd))
                     ^
      85.           goto err;
      86.       ret = 1;

crypto/bn/bn_lib.c:399:1: Parameter `*ret->d`
        397.   }
        398.   
        399. > BIGNUM *BN_bin2bn(const unsigned char *s, int len, BIGNUM *ret)
        400.   {
        401.       unsigned int i, m;

crypto/bn/bn_lib.c:421:9: Call
        419.       i = ((n - 1) / BN_BYTES) + 1;
        420.       m = ((n - 1) % (BN_BYTES));
        421.       if (bn_wexpand(ret, (int)i) == NULL) {
                       ^
        422.           BN_free(bn);
        423.           return NULL;

crypto/bn/bn_lib.c:940:1: Parameter `*a->d`
          938.   }
          939.   
          940. > BIGNUM *bn_wexpand(BIGNUM *a, int words)
          941.   {
          942.       return (words <= a->dmax) ? a : bn_expand2(a, words);

crypto/rsa/rsa_x931g.c:169:10: Call
167.       /* Generate two primes from Xp, Xq */
168.   
169.       if (!BN_X931_generate_prime_ex(rsa->p, NULL, NULL, NULL, NULL, Xp,
                ^
170.                                      e, ctx, cb))
171.           goto error;

crypto/bn/bn_x931p.c:213:1: Parameter `*Xp1->d`
  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->d`
    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->d`
      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:387:1: Parameter `*a->d`
        385.   }
        386.   
        387. > int BN_set_word(BIGNUM *a, BN_ULONG w)
        388.   {
        389.       bn_check_top(a);

crypto/bn/bn_lib.c:390:9: Call
        388.   {
        389.       bn_check_top(a);
        390.       if (bn_expand(a, (int)sizeof(BN_ULONG) * 8) == NULL)
                       ^
        391.           return 0;
        392.       a->neg = 0;

crypto/bn/bn_lcl.h:651:1: Parameter `*a->d`
          649.                            const BIGNUM *add, const BIGNUM *rem, BN_CTX *ctx);
          650.   
          651. > static ossl_inline BIGNUM *bn_expand(BIGNUM *a, int bits)
          652.   {
          653.       if (bits > (INT_MAX - BN_BITS2 + 1))

crypto/bn/bn_lcl.h:659:12: Call
          657.           return a;
          658.   
          659.       return bn_expand2((a),(bits+BN_BITS2-1)/BN_BITS2);
                            ^
          660.   }
          661.   

crypto/bn/bn_lib.c:273:1: Parameter `*b->d`
            271.    */
            272.   
            273. > BIGNUM *bn_expand2(BIGNUM *b, int words)
            274.   {
            275.       bn_check_top(b);

crypto/bn/bn_lib.c:278:23: Call
            276.   
            277.       if (words > b->dmax) {
            278.           BN_ULONG *a = bn_expand_internal(b, words);
                                         ^
            279.           if (!a)
            280.               return NULL;

crypto/bn/bn_lib.c:235:1: <Offset trace>
233.   /* This is used by bn_expand2() */
234.   /* The caller MUST check that words > b->dmax before calling this */
235. > static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)
236.   {
237.       BN_ULONG *a = NULL;

crypto/bn/bn_lib.c:235:1: Parameter `b->top`
              233.   /* This is used by bn_expand2() */
              234.   /* The caller MUST check that words > b->dmax before calling this */
              235. > static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)
              236.   {
              237.       BN_ULONG *a = NULL;

crypto/bn/bn_lib.c:235:1: <Length trace>
233.   /* This is used by bn_expand2() */
234.   /* The caller MUST check that words > b->dmax before calling this */
235. > static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)
236.   {
237.       BN_ULONG *a = NULL;

crypto/bn/bn_lib.c:235:1: Parameter `*b->d`
              233.   /* This is used by bn_expand2() */
              234.   /* The caller MUST check that words > b->dmax before calling this */
              235. > static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)
              236.   {
              237.       BN_ULONG *a = NULL;

crypto/bn/bn_lib.c:260:9: Array access: Offset added: [8, +oo] Size: [0, +oo] by call to `BN_X931_generate_prime_ex` 
              258.       assert(b->top <= words);
              259.       if (b->top > 0)
              260.           memcpy(a, b->d, sizeof(*a) * b->top);
                             ^
              261.   
              262.       return a;
