crypto/bn/bn_mod.c:227: error: INTEGER_OVERFLOW_L2
  ([0, +oo] - 1):unsigned32 by call to `BN_div`.
Showing all 17 steps of the trace


crypto/bn/bn_mod.c:224:10: Call
222.   int BN_mod_sqr(BIGNUM *r, const BIGNUM *a, const BIGNUM *m, BN_CTX *ctx)
223.   {
224.       if (!BN_sqr(r, a, ctx))
                ^
225.           return 0;
226.       /* r->neg == 0,  thus we don't need BN_nnmod */

crypto/bn/bn_sqr.c:19:15: Call
  17.   int BN_sqr(BIGNUM *r, const BIGNUM *a, BN_CTX *ctx)
  18.   {
  19.       int ret = bn_sqr_fixed_top(r, a, ctx);
                      ^
  20.   
  21.       bn_correct_top(r);

crypto/bn/bn_sqr.c:27:1: Parameter `ctx->pool.used`
    25.   }
    26.   
    27. > int bn_sqr_fixed_top(BIGNUM *r, const BIGNUM *a, BN_CTX *ctx)
    28.   {
    29.       int max, al;

crypto/bn/bn_mod.c:227:12: Call
225.           return 0;
226.       /* r->neg == 0,  thus we don't need BN_nnmod */
227.       return BN_mod(r, r, m, ctx);
                  ^
228.   }
229.   

crypto/bn/bn_div.c:137:1: Parameter `ctx->pool.used`
  135.    * If 'dv' or 'rm' is NULL, the respective value is not returned.
  136.    */
  137. > int BN_div(BIGNUM *dv, BIGNUM *rm, const BIGNUM *num, const BIGNUM *divisor,
  138.              BN_CTX *ctx)
  139.   {

crypto/bn/bn_div.c:192:11: Call
  190.       BN_CTX_start(ctx);
  191.       res = (dv == NULL) ? BN_CTX_get(ctx) : dv;
  192.       tmp = BN_CTX_get(ctx);
                   ^
  193.       snum = BN_CTX_get(ctx);
  194.       sdiv = BN_CTX_get(ctx);

crypto/bn/bn_ctx.c:212:1: Parameter `ctx->pool.used`
    210.   }
    211.   
    212. > BIGNUM *BN_CTX_get(BN_CTX *ctx)
    213.   {
    214.       BIGNUM *ret;

crypto/bn/bn_div.c:193:12: Call
  191.       res = (dv == NULL) ? BN_CTX_get(ctx) : dv;
  192.       tmp = BN_CTX_get(ctx);
  193.       snum = BN_CTX_get(ctx);
                    ^
  194.       sdiv = BN_CTX_get(ctx);
  195.       if (sdiv == NULL)

crypto/bn/bn_ctx.c:212:1: Parameter `ctx->pool.used`
    210.   }
    211.   
    212. > BIGNUM *BN_CTX_get(BN_CTX *ctx)
    213.   {
    214.       BIGNUM *ret;

crypto/bn/bn_div.c:194:12: Call
  192.       tmp = BN_CTX_get(ctx);
  193.       snum = BN_CTX_get(ctx);
  194.       sdiv = BN_CTX_get(ctx);
                    ^
  195.       if (sdiv == NULL)
  196.           goto err;

crypto/bn/bn_ctx.c:212:1: Parameter `ctx->pool.used`
    210.   }
    211.   
    212. > BIGNUM *BN_CTX_get(BN_CTX *ctx)
    213.   {
    214.       BIGNUM *ret;

crypto/bn/bn_div.c:411:5: Call
  409.       if (no_branch)
  410.           bn_correct_top(res);
  411.       BN_CTX_end(ctx);
             ^
  412.       return 1;
  413.    err:

crypto/bn/bn_ctx.c:195:1: Parameter `ctx->pool.used`
    193.   }
    194.   
    195. > void BN_CTX_end(BN_CTX *ctx)
    196.   {
    197.       CTXDBG_ENTRY("BN_CTX_end", ctx);

crypto/bn/bn_ctx.c:204:13: Call
    202.           /* Does this stack frame have anything to release? */
    203.           if (fp < ctx->used)
    204.               BN_POOL_release(&ctx->pool, ctx->used - fp);
                       ^
    205.           ctx->used = fp;
    206.           /* Unjam "too_many" in case "get" had failed */

crypto/bn/bn_ctx.c:346:1: <LHS trace>
344.   }
345.   
346. > static void BN_POOL_release(BN_POOL *p, unsigned int num)
347.   {
348.       unsigned int offset = (p->used - 1) % BN_CTX_POOL_SIZE;

crypto/bn/bn_ctx.c:346:1: Parameter `p->used`
      344.   }
      345.   
      346. > static void BN_POOL_release(BN_POOL *p, unsigned int num)
      347.   {
      348.       unsigned int offset = (p->used - 1) % BN_CTX_POOL_SIZE;

crypto/bn/bn_ctx.c:348:5: Binary operation: ([0, +oo] - 1):unsigned32 by call to `BN_div` 
      346.   static void BN_POOL_release(BN_POOL *p, unsigned int num)
      347.   {
      348.       unsigned int offset = (p->used - 1) % BN_CTX_POOL_SIZE;
                 ^
      349.   
      350.       p->used -= num;
