test/bntest.c:1713: error: INTEGER_OVERFLOW_L2
  ([0, +oo] - 1):unsigned32 by call to `BN_mod_exp_recp`.
Showing all 17 steps of the trace


test/bntest.c:1665:1: Parameter `ctx->stack.depth`
1663.   }
1664.   
1665. > int test_kron(BIO *bp, BN_CTX *ctx)
1666.   {
1667.       BN_GENCB cb;

test/bntest.c:1713:14: Call
1711.           b->neg = 0;
1712.   
1713.           if (!BN_mod_exp_recp(r, a, t, b, ctx))
                     ^
1714.               goto err;
1715.           b->neg = 1;

crypto/bn/bn_exp.c:168:1: Parameter `ctx->stack.depth`
  166.   }
  167.   
  168. > int BN_mod_exp_recp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
  169.                       const BIGNUM *m, BN_CTX *ctx)
  170.   {

crypto/bn/bn_exp.c:196:5: Call
  194.       }
  195.   
  196.       BN_CTX_start(ctx);
             ^
  197.       aa = BN_CTX_get(ctx);
  198.       val[0] = BN_CTX_get(ctx);

crypto/bn/bn_ctx.c:181:1: Parameter `ctx->stack.depth`
    179.   }
    180.   
    181. > void BN_CTX_start(BN_CTX *ctx)
    182.   {
    183.       CTXDBG_ENTRY("BN_CTX_start", ctx);

crypto/bn/bn_exp.c:215:10: Call
  213.       }
  214.   
  215.       if (!BN_nnmod(val[0], a, m, ctx))
                  ^
  216.           goto err;               /* 1 */
  217.       if (BN_is_zero(val[0])) {

crypto/bn/bn_mod.c:13:1: Parameter `ctx->stack.depth`
    11.   #include "bn_lcl.h"
    12.   
    13. > int BN_nnmod(BIGNUM *r, const BIGNUM *m, const BIGNUM *d, BN_CTX *ctx)
    14.   {
    15.       /*

crypto/bn/bn_mod.c:20:11: Call
    18.        */
    19.   
    20.       if (!(BN_mod(r, m, d, ctx)))
                    ^
    21.           return 0;
    22.       if (!r->neg)

crypto/bn/bn_div.c:140:1: Parameter `ctx->stack.depth`
      138.    * If 'dv' or 'rm' is NULL, the respective value is not returned.
      139.    */
      140. > int BN_div(BIGNUM *dv, BIGNUM *rm, const BIGNUM *num, const BIGNUM *divisor,
      141.              BN_CTX *ctx)
      142.   {

crypto/bn/bn_div.c:193:5: Call
      191.       }
      192.   
      193.       BN_CTX_start(ctx);
                 ^
      194.       tmp = BN_CTX_get(ctx);
      195.       snum = BN_CTX_get(ctx);

crypto/bn/bn_ctx.c:181:1: Parameter `ctx->stack.depth`
        179.   }
        180.   
        181. > void BN_CTX_start(BN_CTX *ctx)
        182.   {
        183.       CTXDBG_ENTRY("BN_CTX_start", ctx);

crypto/bn/bn_div.c:416:5: Call
      414.       if (no_branch)
      415.           bn_correct_top(res);
      416.       BN_CTX_end(ctx);
                 ^
      417.       return (1);
      418.    err:

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

crypto/bn/bn_ctx.c:201:27: Call
        199.           ctx->err_stack--;
        200.       else {
        201.           unsigned int fp = BN_STACK_pop(&ctx->stack);
                                         ^
        202.           /* Does this stack frame have anything to release? */
        203.           if (fp < ctx->used)

crypto/bn/bn_ctx.c:271:1: <LHS trace>
269.   }
270.   
271. > static unsigned int BN_STACK_pop(BN_STACK *st)
272.   {
273.       return st->indexes[--(st->depth)];

crypto/bn/bn_ctx.c:271:1: Parameter `st->depth`
          269.   }
          270.   
          271. > static unsigned int BN_STACK_pop(BN_STACK *st)
          272.   {
          273.       return st->indexes[--(st->depth)];

crypto/bn/bn_ctx.c:273:12: Binary operation: ([0, +oo] - 1):unsigned32 by call to `BN_mod_exp_recp` 
          271.   static unsigned int BN_STACK_pop(BN_STACK *st)
          272.   {
          273.       return st->indexes[--(st->depth)];
                            ^
          274.   }
          275.   
