crypto/dsa/dsa_vrf.c:121: error: BUFFER_OVERRUN_L3
  Offset: [16, +oo] Size: [0, +oo] by call to `BN_mod_exp2_mont`.
Showing all 12 steps of the trace


crypto/dsa/dsa_vrf.c:69:1: Parameter `dsa->method_mont_p->RR.d`
67.   #include "asn1_mac.h"
68.   
69. > int DSA_do_verify(const unsigned char *dgst, int dgst_len, DSA_SIG *sig,
70.   		  DSA *dsa)
71.   	{

crypto/dsa/dsa_vrf.c:121:7: Call
119.   #else
120.   	{
121.   	if (!BN_mod_exp2_mont(&t1,dsa->g,&u1,dsa->pub_key,&u2,dsa->p,ctx,mont))
             ^
122.   		goto err;
123.   	/* BN_copy(&u1,&t1); */

crypto/bn/bn_exp2.c:18:1: Parameter `*in_mont->RR.d`
  16.   #define EXP2_TABLE_SIZE	4 /* 2  4  8 16 32  */
  17.   
  18. > int BN_mod_exp2_mont(BIGNUM *rr, BIGNUM *a1, BIGNUM *p1, BIGNUM *a2,
  19.   	     BIGNUM *p2, BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *in_mont)
  20.   	{

crypto/bn/bn_exp2.c:79:7: Call
  77.   	else
  78.   		aa2=a2;
  79.   	if (!BN_to_montgomery(&(val[1][0]),aa1,mont,ctx)) goto err;
              ^
  80.   	if (!BN_to_montgomery(&(val[0][1]),aa2,mont,ctx)) goto err;
  81.   	if (!BN_mod_mul_montgomery(&(val[1][1]),

crypto/bn/bn_mont.c:71:1: Parameter `*b->d`
    69.   #define MONT_WORD
    70.   
    71. > int BN_mod_mul_montgomery(BIGNUM *r, BIGNUM *a, BIGNUM *b, BN_MONT_CTX *mont,
    72.   	     BN_CTX *ctx)
    73.   	{

crypto/bn/bn_mont.c:98:8: Call
    96.   	else
    97.   		{
    98.   		if (!BN_mul(tmp,a,b,ctx)) goto err;
                  ^
    99.   		}
    100.   	/* reduce from aRR to aR */

crypto/bn/bn_mul.c:560:1: <Offset trace>
558.   #endif
559.   
560. > int BN_mul(BIGNUM *r, BIGNUM *a, BIGNUM *b, BN_CTX *ctx)
561.   	{
562.   	int top,al,bl;

crypto/bn/bn_mul.c:560:1: Parameter `a->top`
      558.   #endif
      559.   
      560. > int BN_mul(BIGNUM *r, BIGNUM *a, BIGNUM *b, BN_CTX *ctx)
      561.   	{
      562.   	int top,al,bl;

crypto/bn/bn_mul.c:577:2: Assignment
      575.   	bn_check_top(r);
      576.   
      577.   	al=a->top;
              ^
      578.   	bl=b->top;
      579.   	r->neg=a->neg^b->neg;

crypto/bn/bn_mul.c:560:1: <Length trace>
558.   #endif
559.   
560. > int BN_mul(BIGNUM *r, BIGNUM *a, BIGNUM *b, BN_CTX *ctx)
561.   	{
562.   	int top,al,bl;

crypto/bn/bn_mul.c:560:1: Parameter `*b->d`
      558.   #endif
      559.   
      560. > int BN_mul(BIGNUM *r, BIGNUM *a, BIGNUM *b, BN_CTX *ctx)
      561.   	{
      562.   	int top,al,bl;

crypto/bn/bn_mul.c:641:4: Array access: Offset: [16, +oo] Size: [0, +oo] by call to `BN_mod_exp2_mont` 
      639.   			{
      640.   			bn_wexpand(b,al);
      641.   			b->d[bl]=0;
                ^
      642.   			bl++;
      643.   			goto symetric;
