crypto/ec/ecdsa_ossl.c:257: error: BUFFER_OVERRUN_L3
  Offset: [-1, +oo] Size: [1, +oo] by call to `BN_mod_mul_montgomery`.
Showing all 19 steps of the trace


crypto/ec/ecdsa_ossl.c:223:18: Call
221.       do {
222.           if (in_kinv == NULL || in_r == NULL) {
223.               if (!ecdsa_sign_setup(eckey, ctx, &kinv, &ret->r, dgst, dgst_len)) {
                        ^
224.                   ECerr(EC_F_OSSL_ECDSA_SIGN_SIG, ERR_R_ECDSA_LIB);
225.                   goto err;

crypto/ec/ecdsa_ossl.c:33:1: Parameter `ctx_in->stack.depth`
  31.   }
  32.   
  33. > static int ecdsa_sign_setup(EC_KEY *eckey, BN_CTX *ctx_in,
  34.                               BIGNUM **kinvp, BIGNUM **rp,
  35.                               const unsigned char *dgst, int dlen)

crypto/ec/ecdsa_ossl.c:257:17: Call
255.            */
256.           if (!bn_to_mont_fixed_top(s, s, group->mont_data, ctx)
257.               || !BN_mod_mul_montgomery(s, s, ckinv, group->mont_data, ctx)) {
                       ^
258.               ECerr(EC_F_OSSL_ECDSA_SIGN_SIG, ERR_R_BN_LIB);
259.               goto err;

crypto/bn/bn_mont.c:26:1: Parameter `ctx->stack.depth`
  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 `ctx->stack.depth`
    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:60:5: Call
    58.           return 0;
    59.   
    60.       BN_CTX_start(ctx);
              ^
    61.       tmp = BN_CTX_get(ctx);
    62.       if (tmp == NULL)

crypto/bn/bn_ctx.c:181:1: Parameter `ctx->stack.depth`
      179.   }
      180.   
      181. > void BN_CTX_start(BN_CTX *ctx)
      182.   {
      183.       CTXDBG_ENTRY("BN_CTX_start", ctx);

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:32:5: Call
      30.       }
      31.   
      32.       BN_CTX_start(ctx);
                ^
      33.       rr = (a != r) ? r : BN_CTX_get(ctx);
      34.       tmp = BN_CTX_get(ctx);

crypto/bn/bn_ctx.c:181:1: Parameter `*ctx->stack.indexes`
        179.   }
        180.   
        181. > void BN_CTX_start(BN_CTX *ctx)
        182.   {
        183.       CTXDBG_ENTRY("BN_CTX_start", ctx);

crypto/bn/bn_sqr.c:94:5: Call
      92.       bn_check_top(rr);
      93.       bn_check_top(tmp);
      94.       BN_CTX_end(ctx);
                ^
      95.       return ret;
      96.   }

crypto/bn/bn_ctx.c:195:1: Parameter `*ctx->stack.indexes`
        193.   }
        194.   
        195. > void BN_CTX_end(BN_CTX *ctx)
        196.   {
        197.       CTXDBG_ENTRY("BN_CTX_end", ctx);

crypto/bn/bn_ctx.c:201:27: Call
        199.           ctx->err_stack--;
        200.       else {
        201.           unsigned int fp = BN_STACK_pop(&ctx->stack);
                                         ^
        202.           /* Does this stack frame have anything to release? */
        203.           if (fp < ctx->used)

crypto/bn/bn_ctx.c:274:1: <Offset trace>
272.   }
273.   
274. > static unsigned int BN_STACK_pop(BN_STACK *st)
275.   {
276.       return st->indexes[--(st->depth)];

crypto/bn/bn_ctx.c:274:1: Parameter `st->depth`
          272.   }
          273.   
          274. > static unsigned int BN_STACK_pop(BN_STACK *st)
          275.   {
          276.       return st->indexes[--(st->depth)];

crypto/bn/bn_ctx.c:274:1: <Length trace>
272.   }
273.   
274. > static unsigned int BN_STACK_pop(BN_STACK *st)
275.   {
276.       return st->indexes[--(st->depth)];

crypto/bn/bn_ctx.c:274:1: Parameter `*st->indexes`
          272.   }
          273.   
          274. > static unsigned int BN_STACK_pop(BN_STACK *st)
          275.   {
          276.       return st->indexes[--(st->depth)];

crypto/bn/bn_ctx.c:276:12: Array access: Offset: [-1, +oo] Size: [1, +oo] by call to `BN_mod_mul_montgomery` 
          274.   static unsigned int BN_STACK_pop(BN_STACK *st)
          275.   {
          276.       return st->indexes[--(st->depth)];
                            ^
          277.   }
          278.   
