crypto/ec/ecp_smpl.c:327: error: INTEGER_OVERFLOW_L2
  ([0, +oo] - 1):unsigned32 by call to `BN_mod_sqr`.
Showing all 23 steps of the trace


crypto/ec/ecp_smpl.c:282:1: Parameter `ctx->pool.used`
280.   }
281.   
282. > int ec_GFp_simple_group_check_discriminant(const EC_GROUP *group, BN_CTX *ctx)
283.   {
284.       int ret = 0;

crypto/ec/ecp_smpl.c:298:9: Call
296.       }
297.       BN_CTX_start(ctx);
298.       a = BN_CTX_get(ctx);
               ^
299.       b = BN_CTX_get(ctx);
300.       tmp_1 = BN_CTX_get(ctx);

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/ec/ecp_smpl.c:299:9: Call
297.       BN_CTX_start(ctx);
298.       a = BN_CTX_get(ctx);
299.       b = BN_CTX_get(ctx);
               ^
300.       tmp_1 = BN_CTX_get(ctx);
301.       tmp_2 = BN_CTX_get(ctx);

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/ec/ecp_smpl.c:300:13: Call
298.       a = BN_CTX_get(ctx);
299.       b = BN_CTX_get(ctx);
300.       tmp_1 = BN_CTX_get(ctx);
                   ^
301.       tmp_2 = BN_CTX_get(ctx);
302.       order = BN_CTX_get(ctx);

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/ec/ecp_smpl.c:301:13: Call
299.       b = BN_CTX_get(ctx);
300.       tmp_1 = BN_CTX_get(ctx);
301.       tmp_2 = BN_CTX_get(ctx);
                   ^
302.       order = BN_CTX_get(ctx);
303.       if (order == NULL)

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/ec/ecp_smpl.c:302:13: Call
300.       tmp_1 = BN_CTX_get(ctx);
301.       tmp_2 = BN_CTX_get(ctx);
302.       order = BN_CTX_get(ctx);
                   ^
303.       if (order == NULL)
304.           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/ec/ecp_smpl.c:327:14: Call
325.               goto err;
326.       } else if (!BN_is_zero(b)) {
327.           if (!BN_mod_sqr(tmp_1, a, p, ctx))
                    ^
328.               goto err;
329.           if (!BN_mod_mul(tmp_2, tmp_1, a, p, ctx))

crypto/bn/bn_mod.c:208:1: Parameter `ctx->pool.used`
  206.   }
  207.   
  208. > int BN_mod_sqr(BIGNUM *r, const BIGNUM *a, const BIGNUM *m, BN_CTX *ctx)
  209.   {
  210.       if (!BN_sqr(r, a, ctx))

crypto/bn/bn_mod.c:210:10: Call
  208.   int BN_mod_sqr(BIGNUM *r, const BIGNUM *a, const BIGNUM *m, BN_CTX *ctx)
  209.   {
  210.       if (!BN_sqr(r, a, ctx))
                  ^
  211.           return 0;
  212.       /* r->neg == 0,  thus we don't need BN_nnmod */

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_mod_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;
