crypto/ec/ecp_nist.c:196: 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:182:1: Parameter `ctx->pool.used`
180.   }
181.   
182. > int ec_GFp_nist_field_sqr(const EC_GROUP *group, BIGNUM *r, const BIGNUM *a,
183.                             BN_CTX *ctx)
184.   {

crypto/ec/ecp_nist.c:196:10: Call
194.               goto err;
195.   
196.       if (!BN_sqr(r, a, ctx))
                ^
197.           goto err;
198.       if (!group->field_mod_func(r, r, group->field, ctx))

crypto/bn/bn_sqr.c:66:1: Parameter `ctx->pool.used`
  64.    * I've just gone over this and it is now %20 faster on x86 - eay - 27 Jun 96
  65.    */
  66. > int BN_sqr(BIGNUM *r, const BIGNUM *a, BN_CTX *ctx)
  67.   {
  68.       int max, al;

crypto/bn/bn_sqr.c:83:11: Call
  81.       BN_CTX_start(ctx);
  82.       rr = (a != r) ? r : BN_CTX_get(ctx);
  83.       tmp = BN_CTX_get(ctx);
                  ^
  84.       if (!rr || !tmp)
  85.           goto err;

crypto/bn/bn_ctx.c:271:1: Parameter `ctx->pool.used`
    269.   }
    270.   
    271. > BIGNUM *BN_CTX_get(BN_CTX *ctx)
    272.   {
    273.       BIGNUM *ret;

crypto/bn/bn_sqr.c:148:5: Call
  146.       bn_check_top(rr);
  147.       bn_check_top(tmp);
  148.       BN_CTX_end(ctx);
             ^
  149.       return (ret);
  150.   }

crypto/bn/bn_ctx.c:254:1: Parameter `ctx->pool.used`
    252.   }
    253.   
    254. > void BN_CTX_end(BN_CTX *ctx)
    255.   {
    256.       CTXDBG_ENTRY("BN_CTX_end", ctx);

crypto/bn/bn_ctx.c:263:13: Call
    261.           /* Does this stack frame have anything to release? */
    262.           if (fp < ctx->used)
    263.               BN_POOL_release(&ctx->pool, ctx->used - fp);
                       ^
    264.           ctx->used = fp;
    265.           /* Unjam "too_many" in case "get" had failed */

crypto/bn/bn_ctx.c:399:1: <LHS trace>
397.   }
398.   
399. > static void BN_POOL_release(BN_POOL *p, unsigned int num)
400.   {
401.       unsigned int offset = (p->used - 1) % BN_CTX_POOL_SIZE;

crypto/bn/bn_ctx.c:399:1: Parameter `p->used`
      397.   }
      398.   
      399. > static void BN_POOL_release(BN_POOL *p, unsigned int num)
      400.   {
      401.       unsigned int offset = (p->used - 1) % BN_CTX_POOL_SIZE;

crypto/bn/bn_ctx.c:401:5: Binary operation: ([0, +oo] - 1):unsigned32 by call to `BN_sqr` 
      399.   static void BN_POOL_release(BN_POOL *p, unsigned int num)
      400.   {
      401.       unsigned int offset = (p->used - 1) % BN_CTX_POOL_SIZE;
                 ^
      402.   
      403.       p->used -= num;
