crypto/bn/bn_prime.c:525: 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:504:7: Call
502.   	/* we need ((rnd-rem) % add) == 0 */
503.   
504.   	if (!BN_mod(t1,rnd,add,ctx)) goto err;
             ^
505.   	if (!BN_sub(rnd,rnd,t1)) goto err;
506.   	if (rem == NULL)

crypto/bn/bn_div.c:183:1: Parameter `ctx->pool.used`
  181.    * If 'dv' or 'rm' is NULL, the respective value is not returned.
  182.    */
  183. > int BN_div(BIGNUM *dv, BIGNUM *rm, const BIGNUM *num, const BIGNUM *divisor,
  184.   	   BN_CTX *ctx)
  185.   	{

crypto/bn/bn_prime.c:525:2: Call
523.   	ret=1;
524.   err:
525.   	BN_CTX_end(ctx);
        ^
526.   	bn_check_top(rnd);
527.   	return(ret);

crypto/bn/bn_ctx.c:272:1: Parameter `ctx->pool.used`
  270.   	}
  271.   
  272. > void BN_CTX_end(BN_CTX *ctx)
  273.   	{
  274.   	CTXDBG_ENTRY("BN_CTX_end", ctx);

crypto/bn/bn_ctx.c:282:4: Call
  280.   		/* Does this stack frame have anything to release? */
  281.   		if(fp < ctx->used)
  282.   			BN_POOL_release(&ctx->pool, ctx->used - fp);
            ^
  283.   		ctx->used = fp;
  284.   		/* Unjam "too_many" in case "get" had failed */

crypto/bn/bn_ctx.c:440:1: <LHS trace>
438.   	}
439.   
440. > static void BN_POOL_release(BN_POOL *p, unsigned int num)
441.   	{
442.   	unsigned int offset = (p->used - 1) % BN_CTX_POOL_SIZE;

crypto/bn/bn_ctx.c:440:1: Parameter `p->used`
    438.   	}
    439.   
    440. > static void BN_POOL_release(BN_POOL *p, unsigned int num)
    441.   	{
    442.   	unsigned int offset = (p->used - 1) % BN_CTX_POOL_SIZE;

crypto/bn/bn_ctx.c:442:2: Binary operation: ([0, +oo] - 1):unsigned32 by call to `BN_CTX_end` 
    440.   static void BN_POOL_release(BN_POOL *p, unsigned int num)
    441.   	{
    442.   	unsigned int offset = (p->used - 1) % BN_CTX_POOL_SIZE;
            ^
    443.   	p->used -= num;
    444.   	while(num--)
