crypto/ec/ecp_nist.c:227: error: INTEGER_OVERFLOW_L2
  ([0, +oo] - 1):unsigned32 by call to `BN_sqr`.
Showing all 11 steps of the trace


crypto/ec/ecp_nist.c:213:1: Parameter `ctx->pool.used`
211.   
212.   
213. > int ec_GFp_nist_field_sqr(const EC_GROUP *group, BIGNUM *r, const BIGNUM *a,
214.   	BN_CTX *ctx)
215.   	{

crypto/ec/ecp_nist.c:227:7: Call
225.   		if ((ctx_new = ctx = BN_CTX_new()) == NULL) goto err;
226.   
227.   	if (!BN_sqr(r, a, ctx)) goto err;
             ^
228.   	if (!group->field_mod_func(r, r, &group->field, ctx))
229.   		goto err;

crypto/bn/bn_sqr.c:65:1: Parameter `ctx->pool.used`
  63.   /* r must not be a */
  64.   /* I've just gone over this and it is now %20 faster on x86 - eay - 27 Jun 96 */
  65. > int BN_sqr(BIGNUM *r, const BIGNUM *a, BN_CTX *ctx)
  66.   	{
  67.   	int max,al;

crypto/bn/bn_sqr.c:85:6: Call
  83.   	BN_CTX_start(ctx);
  84.   	rr=(a != r) ? r : BN_CTX_get(ctx);
  85.   	tmp=BN_CTX_get(ctx);
             ^
  86.   	if (!rr || !tmp) goto err;
  87.   

crypto/bn/bn_ctx.c:288:1: Parameter `ctx->pool.used`
    286.   	}
    287.   
    288. > BIGNUM *BN_CTX_get(BN_CTX *ctx)
    289.   	{
    290.   	BIGNUM *ret;

crypto/bn/bn_sqr.c:153:2: Call
  151.   	bn_check_top(rr);
  152.   	bn_check_top(tmp);
  153.   	BN_CTX_end(ctx);
          ^
  154.   	return(ret);
  155.   	}

crypto/bn/bn_ctx.c:270:1: Parameter `ctx->pool.used`
    268.   	}
    269.   
    270. > void BN_CTX_end(BN_CTX *ctx)
    271.   	{
    272.   	CTXDBG_ENTRY("BN_CTX_end", ctx);

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

crypto/bn/bn_ctx.c:438:1: <LHS trace>
436.   	}
437.   
438. > static void BN_POOL_release(BN_POOL *p, unsigned int num)
439.   	{
440.   	unsigned int offset = (p->used - 1) % BN_CTX_POOL_SIZE;

crypto/bn/bn_ctx.c:438:1: Parameter `p->used`
      436.   	}
      437.   
      438. > static void BN_POOL_release(BN_POOL *p, unsigned int num)
      439.   	{
      440.   	unsigned int offset = (p->used - 1) % BN_CTX_POOL_SIZE;

crypto/bn/bn_ctx.c:440:2: Binary operation: ([0, +oo] - 1):unsigned32 by call to `BN_sqr` 
      438.   static void BN_POOL_release(BN_POOL *p, unsigned int num)
      439.   	{
      440.   	unsigned int offset = (p->used - 1) % BN_CTX_POOL_SIZE;
              ^
      441.   	p->used -= num;
      442.   	while(num--)
