crypto/ec/ecdsa_ossl.c:244: error: BUFFER_OVERRUN_L3
  Offset: [16, +oo] (⇐ 1 + [15, +oo]) Size: [0, 8388607] by call to `bn_mul_mont_fixed_top`.
Showing all 17 steps of the trace


crypto/ec/ecdsa_ossl.c:212:10: Call
210.       if (8 * dgst_len > i)
211.           dgst_len = (i + 7) / 8;
212.       if (!BN_bin2bn(dgst, dgst_len, m)) {
                ^
213.           ECerr(EC_F_OSSL_ECDSA_SIGN_SIG, ERR_R_BN_LIB);
214.           goto err;

crypto/bn/bn_lib.c:372:1: Parameter `ret->top`
  370.   }
  371.   
  372. > BIGNUM *BN_bin2bn(const unsigned char *s, int len, BIGNUM *ret)
  373.   {
  374.       unsigned int i, m;

crypto/ec/ecdsa_ossl.c:244:17: Call
242.            */
243.           if (!bn_to_mont_fixed_top(s, ret->r, group->mont_data, ctx)
244.               || !bn_mul_mont_fixed_top(s, s, priv_key, group->mont_data, ctx)) {
                       ^
245.               ECerr(EC_F_OSSL_ECDSA_SIGN_SIG, ERR_R_BN_LIB);
246.               goto err;

crypto/bn/bn_mont.c:37:1: Parameter `b->top`
  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:67:14: Call
  65.       bn_check_top(tmp);
  66.       if (a == b) {
  67.           if (!BN_sqr(tmp, a, ctx))
                     ^
  68.               goto err;
  69.       } else {

crypto/bn/bn_sqr.c:17:1: Parameter `a->top`
    15.    * I've just gone over this and it is now %20 faster on x86 - eay - 27 Jun 96
    16.    */
    17. > int BN_sqr(BIGNUM *r, const BIGNUM *a, BN_CTX *ctx)
    18.   {
    19.       int max, al;

crypto/bn/bn_sqr.c:25:5: Assignment
    23.       bn_check_top(a);
    24.   
    25.       al = a->top;
              ^
    26.       if (al <= 0) {
    27.           r->top = 0;

crypto/bn/bn_sqr.c:74:17: Call
    72.                   if (bn_wexpand(tmp, max) == NULL)
    73.                       goto err;
    74.                   bn_sqr_normal(rr->d, a->d, al, tmp->d);
                          ^
    75.               }
    76.           }

crypto/bn/bn_sqr.c:99:1: <Offset trace>
97.   
98.   /* tmp must have 2*n words */
99. > void bn_sqr_normal(BN_ULONG *r, const BN_ULONG *a, int n, BN_ULONG *tmp)
100.   {
101.       int i, j, max;

crypto/bn/bn_sqr.c:99:1: Parameter `n`
      97.   
      98.   /* tmp must have 2*n words */
      99. > void bn_sqr_normal(BN_ULONG *r, const BN_ULONG *a, int n, BN_ULONG *tmp)
      100.   {
      101.       int i, j, max;

crypto/bn/bn_sqr.c:110:5: Assignment
      108.       rp[0] = rp[max - 1] = 0;
      109.       rp++;
      110.       j = n;
                 ^
      111.   
      112.       if (--j > 0) {

crypto/bn/bn_sqr.c:112:9: Assignment
      110.       j = n;
      111.   
      112.       if (--j > 0) {
                     ^
      113.           ap++;
      114.           rp[j] = bn_mul_words(rp, ap, j, ap[-1]);

crypto/bn/bn_sqr.c:99:1: <Length trace>
97.   
98.   /* tmp must have 2*n words */
99. > void bn_sqr_normal(BN_ULONG *r, const BN_ULONG *a, int n, BN_ULONG *tmp)
100.   {
101.       int i, j, max;

crypto/bn/bn_sqr.c:99:1: Parameter `*r`
      97.   
      98.   /* tmp must have 2*n words */
      99. > void bn_sqr_normal(BN_ULONG *r, const BN_ULONG *a, int n, BN_ULONG *tmp)
      100.   {
      101.       int i, j, max;

crypto/bn/bn_sqr.c:107:5: Assignment
      105.       max = n * 2;
      106.       ap = a;
      107.       rp = r;
                 ^
      108.       rp[0] = rp[max - 1] = 0;
      109.       rp++;

crypto/bn/bn_sqr.c:109:5: Assignment
      107.       rp = r;
      108.       rp[0] = rp[max - 1] = 0;
      109.       rp++;
                 ^
      110.       j = n;
      111.   

crypto/bn/bn_sqr.c:114:9: Array access: Offset: [16, +oo] (⇐ 1 + [15, +oo]) Size: [0, 8388607] by call to `bn_mul_mont_fixed_top` 
      112.       if (--j > 0) {
      113.           ap++;
      114.           rp[j] = bn_mul_words(rp, ap, j, ap[-1]);
                     ^
      115.           rp += 2;
      116.       }
