crypto/bn/bn_prime.c:572: error: INTEGER_OVERFLOW_L2
  ([0, +oo] - 1):unsigned32 by call to `BN_CTX_end`.
Showing all 8 steps of the trace


crypto/bn/bn_prime.c:531:10: Call
529.   
530.       /* we need ((rnd-rem) % add) == 0 */
531.       if (!BN_mod(t1, q, qadd, ctx))
                ^
532.           goto err;
533.       if (!BN_sub(q, q, t1))

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_prime.c:572:5: Call
570.   
571.    err:
572.       BN_CTX_end(ctx);
           ^
573.       bn_check_top(p);
574.       return ret;

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;
