test/bntest.c:1960: error: INTEGER_OVERFLOW_L2
  ([0, +oo] - 1):unsigned32 by call to `BN_mod_exp`.
Showing all 18 steps of the trace


test/bntest.c:1960:10: Call
1958.       BN_zero(zero);
1959.   
1960.       if (!BN_mod_exp(r, a, zero, BN_value_one(), NULL)
                 ^
1961.               || !BN_is_zero(r)
1962.               || !BN_mod_exp_mont(r, a, zero, BN_value_one(), NULL, NULL)

crypto/bn/bn_exp.c:91:1: Parameter `ctx->stack.depth`
  89.   }
  90.   
  91. > int BN_mod_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, const BIGNUM *m,
  92.                  BN_CTX *ctx)
  93.   {

crypto/bn/bn_exp.c:156:15: Call
  154.   #ifdef RECP_MUL_MOD
  155.       {
  156.           ret = BN_mod_exp_recp(r, a, p, m, ctx);
                       ^
  157.       }
  158.   #else

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` 
            271.   static unsigned int BN_STACK_pop(BN_STACK *st)
            272.   {
            273.       return st->indexes[--(st->depth)];
                              ^
            274.   }
            275.   
