crypto/bn/bn_sqrt.c:148: error: INTEGER_OVERFLOW_L2
  ([0, +oo] - 1):unsigned32 by call to `BN_mod_exp`.
Showing all 27 steps of the trace


crypto/bn/bn_sqrt.c:125:10: Call
123.   
124.       /* A = a mod p */
125.       if (!BN_nnmod(A, a, p, ctx))
                ^
126.           goto end;
127.   

crypto/bn/bn_mod.c:126:11: Call
  124.        */
  125.   
  126.       if (!(BN_mod(r, m, d, ctx)))
                   ^
  127.           return 0;
  128.       if (!r->neg)

crypto/bn/bn_div.c:189:1: Parameter `ctx->pool.used`
    187.    * If 'dv' or 'rm' is NULL, the respective value is not returned.
    188.    */
    189. > int BN_div(BIGNUM *dv, BIGNUM *rm, const BIGNUM *num, const BIGNUM *divisor,
    190.              BN_CTX *ctx)
    191.   {

crypto/bn/bn_sqrt.c:148:14: Call
146.           if (!BN_add_word(q, 1))
147.               goto end;
148.           if (!BN_mod_exp(ret, A, q, p, ctx))
                    ^
149.               goto end;
150.           err = 0;

crypto/bn/bn_exp.c:191:1: Parameter `ctx->pool.used`
  189.   }
  190.   
  191. > int BN_mod_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, const BIGNUM *m,
  192.                  BN_CTX *ctx)
  193.   {

crypto/bn/bn_exp.c:256:15: Call
  254.   #ifdef RECP_MUL_MOD
  255.       {
  256.           ret = BN_mod_exp_recp(r, a, p, m, ctx);
                       ^
  257.       }
  258.   #else

crypto/bn/bn_exp.c:268:1: Parameter `ctx->pool.used`
    266.   }
    267.   
    268. > int BN_mod_exp_recp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
    269.                       const BIGNUM *m, BN_CTX *ctx)
    270.   {

crypto/bn/bn_exp.c:292:10: Call
    290.   
    291.       BN_CTX_start(ctx);
    292.       aa = BN_CTX_get(ctx);
                    ^
    293.       val[0] = BN_CTX_get(ctx);
    294.       if (!aa || !val[0])

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_exp.c:293:14: Call
    291.       BN_CTX_start(ctx);
    292.       aa = BN_CTX_get(ctx);
    293.       val[0] = BN_CTX_get(ctx);
                        ^
    294.       if (!aa || !val[0])
    295.           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_exp.c:310:10: Call
    308.       }
    309.   
    310.       if (!BN_nnmod(val[0], a, m, ctx))
                    ^
    311.           goto err;               /* 1 */
    312.       if (BN_is_zero(val[0])) {

crypto/bn/bn_mod.c:119:1: Parameter `ctx->pool.used`
      117.   #include "bn_lcl.h"
      118.   
      119. > int BN_nnmod(BIGNUM *r, const BIGNUM *m, const BIGNUM *d, BN_CTX *ctx)
      120.   {
      121.       /*

crypto/bn/bn_mod.c:126:11: Call
      124.        */
      125.   
      126.       if (!(BN_mod(r, m, d, ctx)))
                       ^
      127.           return 0;
      128.       if (!r->neg)

crypto/bn/bn_div.c:189:1: Parameter `ctx->pool.used`
        187.    * If 'dv' or 'rm' is NULL, the respective value is not returned.
        188.    */
        189. > int BN_div(BIGNUM *dv, BIGNUM *rm, const BIGNUM *num, const BIGNUM *divisor,
        190.              BN_CTX *ctx)
        191.   {

crypto/bn/bn_div.c:243:11: Call
        241.   
        242.       BN_CTX_start(ctx);
        243.       tmp = BN_CTX_get(ctx);
                         ^
        244.       snum = BN_CTX_get(ctx);
        245.       sdiv = 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/bn/bn_div.c:244:12: Call
        242.       BN_CTX_start(ctx);
        243.       tmp = BN_CTX_get(ctx);
        244.       snum = BN_CTX_get(ctx);
                          ^
        245.       sdiv = BN_CTX_get(ctx);
        246.       if (dv == 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/bn/bn_div.c:245:12: Call
        243.       tmp = BN_CTX_get(ctx);
        244.       snum = BN_CTX_get(ctx);
        245.       sdiv = BN_CTX_get(ctx);
                          ^
        246.       if (dv == NULL)
        247.           res = 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/bn/bn_div.c:469:5: Call
        467.       if (no_branch)
        468.           bn_correct_top(res);
        469.       BN_CTX_end(ctx);
                   ^
        470.       return (1);
        471.    err:

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_exp` 
            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;
