crypto/bn/bn_exp.c:1215: error: INTEGER_OVERFLOW_L2
  ([0, +oo] - 1):unsigned32 by call to `BN_to_montgomery`.
Showing all 21 steps of the trace


crypto/bn/bn_exp.c:1129:1: Parameter `ctx->stack.depth`
1127.   }
1128.   
1129. > int BN_mod_exp_mont_word(BIGNUM *rr, BN_ULONG a, const BIGNUM *p,
1130.                            const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *in_mont)
1131.   {

crypto/bn/bn_exp.c:1189:5: Call
1187.       }
1188.   
1189.       BN_CTX_start(ctx);
            ^
1190.       r = BN_CTX_get(ctx);
1191.       t = BN_CTX_get(ctx);

crypto/bn/bn_ctx.c:171:1: Parameter `ctx->stack.depth`
  169.   }
  170.   
  171. > void BN_CTX_start(BN_CTX *ctx)
  172.   {
  173.       CTXDBG("ENTER BN_CTX_start()", ctx);

crypto/bn/bn_exp.c:1215:22: Call
1213.           if ((next_w / w) != w) { /* overflow */
1214.               if (r_is_one) {
1215.                   if (!BN_TO_MONTGOMERY_WORD(r, w, mont))
                             ^
1216.                       goto err;
1217.                   r_is_one = 0;

crypto/bn/bn_lib.c:891:1: Parameter `ctx->stack.depth`
  889.   }
  890.   
  891. > int BN_to_montgomery(BIGNUM *r, const BIGNUM *a, BN_MONT_CTX *mont,
  892.                        BN_CTX *ctx)
  893.   {

crypto/bn/bn_lib.c:894:12: Call
  892.                        BN_CTX *ctx)
  893.   {
  894.       return BN_mod_mul_montgomery(r, a, &(mont->RR), mont, ctx);
                    ^
  895.   }
  896.   

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:171:1: Parameter `ctx->stack.depth`
        169.   }
        170.   
        171. > void BN_CTX_start(BN_CTX *ctx)
        172.   {
        173.       CTXDBG("ENTER 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_fixed_top(tmp, a, ctx))
                         ^
      68.               goto err;
      69.       } else {

crypto/bn/bn_sqr.c:27:1: Parameter `ctx->stack.depth`
        25.   }
        26.   
        27. > int bn_sqr_fixed_top(BIGNUM *r, const BIGNUM *a, BN_CTX *ctx)
        28.   {
        29.       int max, al;

crypto/bn/bn_sqr.c:42:5: Call
        40.       }
        41.   
        42.       BN_CTX_start(ctx);
                  ^
        43.       rr = (a != r) ? r : BN_CTX_get(ctx);
        44.       tmp = BN_CTX_get(ctx);

crypto/bn/bn_ctx.c:171:1: Parameter `ctx->stack.depth`
          169.   }
          170.   
          171. > void BN_CTX_start(BN_CTX *ctx)
          172.   {
          173.       CTXDBG("ENTER BN_CTX_start()", ctx);

crypto/bn/bn_sqr.c:104:5: Call
        102.       bn_check_top(rr);
        103.       bn_check_top(tmp);
        104.       BN_CTX_end(ctx);
                   ^
        105.       return ret;
        106.   }

crypto/bn/bn_ctx.c:185:1: Parameter `ctx->stack.depth`
          183.   }
          184.   
          185. > void BN_CTX_end(BN_CTX *ctx)
          186.   {
          187.       if (ctx == NULL)

crypto/bn/bn_ctx.c:193:27: Call
          191.           ctx->err_stack--;
          192.       else {
          193.           unsigned int fp = BN_STACK_pop(&ctx->stack);
                                           ^
          194.           /* Does this stack frame have anything to release? */
          195.           if (fp < ctx->used)

crypto/bn/bn_ctx.c:268:1: <LHS trace>
266.   }
267.   
268. > static unsigned int BN_STACK_pop(BN_STACK *st)
269.   {
270.       return st->indexes[--(st->depth)];

crypto/bn/bn_ctx.c:268:1: Parameter `st->depth`
            266.   }
            267.   
            268. > static unsigned int BN_STACK_pop(BN_STACK *st)
            269.   {
            270.       return st->indexes[--(st->depth)];

crypto/bn/bn_ctx.c:270:12: Binary operation: ([0, +oo] - 1):unsigned32 by call to `BN_to_montgomery` 
            268.   static unsigned int BN_STACK_pop(BN_STACK *st)
            269.   {
            270.       return st->indexes[--(st->depth)];
                              ^
            271.   }
            272.   
