crypto/bn/bn_recp.c:192: error: INTEGER_OVERFLOW_L2
  ([0, +oo] - 1):unsigned32 by call to `BN_CTX_end`.
Showing all 8 steps of the trace


crypto/bn/bn_recp.c:186:10: Call
184.           goto err;
185.   
186.       if (!BN_div(r, NULL, t, m, ctx))
                ^
187.           goto err;
188.   

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_recp.c:192:5: Call
190.    err:
191.       bn_check_top(r);
192.       BN_CTX_end(ctx);
           ^
193.       return ret;
194.   }

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_CTX_end` 
    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;
