crypto/bn/bn_exp.c:220: error: INTEGER_OVERFLOW_L2
  ([0, +oo] - 1):unsigned32 by call to `BN_mod_mul_reciprocal`.
Showing all 17 steps of the trace


crypto/bn/bn_exp.c:210:10: Call
208.       }
209.   
210.       if (!BN_nnmod(val[0], a, m, ctx))
                ^
211.           goto err;               /* 1 */
212.       if (BN_is_zero(val[0])) {

crypto/bn/bn_mod.c:20:11: Call
  18.        */
  19.   
  20.       if (!(BN_mod(r, m, d, ctx)))
                  ^
  21.           return 0;
  22.       if (!r->neg)

crypto/bn/bn_div.c:209:1: Parameter `ctx->pool.used`
    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_exp.c:220:14: Call
218.       window = BN_window_bits_for_exponent_size(bits);
219.       if (window > 1) {
220.           if (!BN_mod_mul_reciprocal(aa, val[0], val[0], &recp, ctx))
                    ^
221.               goto err;           /* 2 */
222.           j = 1 << (window - 1);

crypto/bn/bn_recp.c:55:1: Parameter `ctx->pool.used`
  53.   }
  54.   
  55. > int BN_mod_mul_reciprocal(BIGNUM *r, const BIGNUM *x, const BIGNUM *y,
  56.                             BN_RECP_CTX *recp, BN_CTX *ctx)
  57.   {

crypto/bn/bn_recp.c:63:14: Call
  61.   
  62.       BN_CTX_start(ctx);
  63.       if ((a = BN_CTX_get(ctx)) == NULL)
                     ^
  64.           goto err;
  65.       if (y != NULL) {

crypto/bn/bn_ctx.c:204:1: Parameter `ctx->pool.used`
    202.   }
    203.   
    204. > BIGNUM *BN_CTX_get(BN_CTX *ctx)
    205.   {
    206.       BIGNUM *ret;

crypto/bn/bn_recp.c:70:18: Call
  68.                   goto err;
  69.           } else {
  70.               if (!BN_mul(a, x, y, ctx))
                         ^
  71.                   goto err;
  72.           }

crypto/bn/bn_mul.c:497:1: Parameter `ctx->pool.used`
    495.   #endif                          /* BN_RECURSION */
    496.   
    497. > int BN_mul(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx)
    498.   {
    499.       int ret = bn_mul_fixed_top(r, a, b, ctx);

crypto/bn/bn_mul.c:499:15: Call
    497.   int BN_mul(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx)
    498.   {
    499.       int ret = bn_mul_fixed_top(r, a, b, ctx);
                         ^
    500.   
    501.       bn_correct_top(r);

crypto/bn/bn_mul.c:507:1: Parameter `ctx->pool.used`
      505.   }
      506.   
      507. > int bn_mul_fixed_top(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx)
      508.   {
      509.       int ret = 0;

crypto/bn/bn_mul.c:618:5: Call
      616.    err:
      617.       bn_check_top(r);
      618.       BN_CTX_end(ctx);
                 ^
      619.       return ret;
      620.   }

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

crypto/bn/bn_ctx.c:196:13: Call
        194.           /* Does this stack frame have anything to release? */
        195.           if (fp < ctx->used)
        196.               BN_POOL_release(&ctx->pool, ctx->used - fp);
                           ^
        197.           ctx->used = fp;
        198.           /* Unjam "too_many" in case "get" had failed */

crypto/bn/bn_ctx.c:340:1: <LHS trace>
338.   }
339.   
340. > static void BN_POOL_release(BN_POOL *p, unsigned int num)
341.   {
342.       unsigned int offset = (p->used - 1) % BN_CTX_POOL_SIZE;

crypto/bn/bn_ctx.c:340:1: Parameter `p->used`
          338.   }
          339.   
          340. > static void BN_POOL_release(BN_POOL *p, unsigned int num)
          341.   {
          342.       unsigned int offset = (p->used - 1) % BN_CTX_POOL_SIZE;

crypto/bn/bn_ctx.c:342:5: Binary operation: ([0, +oo] - 1):unsigned32 by call to `BN_mod_mul_reciprocal` 
          340.   static void BN_POOL_release(BN_POOL *p, unsigned int num)
          341.   {
          342.       unsigned int offset = (p->used - 1) % BN_CTX_POOL_SIZE;
                     ^
          343.   
          344.       p->used -= num;
