crypto/bn/bn_exp2.c:83: error: BUFFER_OVERRUN_L3
  Offset added: [8, +oo] Size: [0, 536870848] by call to `BN_to_montgomery`.
Showing all 18 steps of the trace


crypto/bn/bn_exp2.c:72:14: Call
70.        */
71.       if (a1->neg || BN_ucmp(a1, m) >= 0) {
72.           if (!BN_mod(val1[0], a1, m, ctx))
                   ^
73.               goto err;
74.           a_mod_m = val1[0];

crypto/bn/bn_div.c:209:1: Parameter `rm->top`
  207.    * If 'dv' or 'rm' is NULL, the respective value is not returned.
  208.    */
  209. > int BN_div(BIGNUM *dv, BIGNUM *rm, const BIGNUM *num, const BIGNUM *divisor,
  210.              BN_CTX *ctx)
  211.   {

crypto/bn/bn_exp2.c:83:10: Call
81.       }
82.   
83.       if (!BN_to_montgomery(val1[0], a_mod_m, mont, ctx))
               ^
84.           goto err;
85.       if (window1 > 1) {

crypto/bn/bn_lib.c:868:1: Parameter `*r->d`
  866.   }
  867.   
  868. > int BN_to_montgomery(BIGNUM *r, const BIGNUM *a, BN_MONT_CTX *mont,
  869.                        BN_CTX *ctx)
  870.   {

crypto/bn/bn_lib.c:871:12: Call
  869.                        BN_CTX *ctx)
  870.   {
  871.       return BN_mod_mul_montgomery(r, a, &(mont->RR), mont, ctx);
                    ^
  872.   }
  873.   

crypto/bn/bn_mont.c:26:1: Parameter `*r->d`
    24.   #endif
    25.   
    26. > int BN_mod_mul_montgomery(BIGNUM *r, const BIGNUM *a, const BIGNUM *b,
    27.                             BN_MONT_CTX *mont, BN_CTX *ctx)
    28.   {

crypto/bn/bn_mont.c:29:15: Call
    27.                             BN_MONT_CTX *mont, BN_CTX *ctx)
    28.   {
    29.       int ret = bn_mul_mont_fixed_top(r, a, b, mont, ctx);
                        ^
    30.   
    31.       bn_correct_top(r);

crypto/bn/bn_mont.c:37:1: Parameter `*r->d`
      35.   }
      36.   
      37. > int bn_mul_mont_fixed_top(BIGNUM *r, const BIGNUM *a, const BIGNUM *b,
      38.                             BN_MONT_CTX *mont, BN_CTX *ctx)
      39.   {

crypto/bn/bn_mont.c:46:13: Call
      44.   #if defined(OPENSSL_BN_ASM_MONT) && defined(MONT_WORD)
      45.       if (num > 1 && a->top == num && b->top == num) {
      46.           if (bn_wexpand(r, num) == NULL)
                        ^
      47.               return 0;
      48.           if (bn_mul_mont(r->d, a->d, b->d, mont->N.d, mont->n0, num)) {

crypto/bn/bn_lib.c:939:1: Parameter `*a->d`
        937.   }
        938.   
        939. > BIGNUM *bn_wexpand(BIGNUM *a, int words)
        940.   {
        941.       return (words <= a->dmax) ? a : bn_expand2(a, words);

crypto/bn/bn_lib.c:941:37: Call
        939.   BIGNUM *bn_wexpand(BIGNUM *a, int words)
        940.   {
        941.       return (words <= a->dmax) ? a : bn_expand2(a, words);
                                                   ^
        942.   }
        943.   

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