crypto/bn/bn_exp.c:72: error: INTEGER_OVERFLOW_L2
  ([0, +oo] - 1):unsigned32 by call to `BN_sqr`.
Showing all 19 steps of the trace


crypto/bn/bn_exp.c:41:1: Parameter `ctx->stack.depth`
39.   
40.   /* this one works - simple but works */
41. > int BN_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, BN_CTX *ctx)
42.   {
43.       int i, bits, ret = 0;

crypto/bn/bn_exp.c:53:5: Call
51.       }
52.   
53.       BN_CTX_start(ctx);
          ^
54.       rr = ((r == a) || (r == p)) ? BN_CTX_get(ctx) : r;
55.       v = BN_CTX_get(ctx);

crypto/bn/bn_ctx.c:171:1: Parameter `ctx->stack.depth`
  169.   }
  170.   
  171. > void BN_CTX_start(BN_CTX *ctx)
  172.   {
  173.       CTXDBG("ENTER BN_CTX_start()", ctx);

crypto/bn/bn_exp.c:55:9: Call
53.       BN_CTX_start(ctx);
54.       rr = ((r == a) || (r == p)) ? BN_CTX_get(ctx) : r;
55.       v = BN_CTX_get(ctx);
              ^
56.       if (rr == NULL || v == NULL)
57.           goto err;

crypto/bn/bn_ctx.c:202:1: Parameter `ctx->stack.depth`
  200.   }
  201.   
  202. > BIGNUM *BN_CTX_get(BN_CTX *ctx)
  203.   {
  204.       BIGNUM *ret;

crypto/bn/bn_exp.c:72:14: Call
70.   
71.       for (i = 1; i < bits; i++) {
72.           if (!BN_sqr(v, v, ctx))
                   ^
73.               goto err;
74.           if (BN_is_bit_set(p, i)) {

crypto/bn/bn_sqr.c:17:1: Parameter `ctx->stack.depth`
  15.    * I've just gone over this and it is now %20 faster on x86 - eay - 27 Jun 96
  16.    */
  17. > int BN_sqr(BIGNUM *r, const BIGNUM *a, BN_CTX *ctx)
  18.   {
  19.       int ret = bn_sqr_fixed_top(r, a, ctx);

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->stack.depth`
    25.   }
    26.   
    27. > int bn_sqr_fixed_top(BIGNUM *r, const BIGNUM *a, BN_CTX *ctx)
    28.   {
    29.       int max, al;

crypto/bn/bn_sqr.c:42:5: Call
    40.       }
    41.   
    42.       BN_CTX_start(ctx);
              ^
    43.       rr = (a != r) ? r : BN_CTX_get(ctx);
    44.       tmp = BN_CTX_get(ctx);

crypto/bn/bn_ctx.c:171:1: Parameter `ctx->stack.depth`
      169.   }
      170.   
      171. > void BN_CTX_start(BN_CTX *ctx)
      172.   {
      173.       CTXDBG("ENTER BN_CTX_start()", ctx);

crypto/bn/bn_sqr.c:44:11: Call
    42.       BN_CTX_start(ctx);
    43.       rr = (a != r) ? r : BN_CTX_get(ctx);
    44.       tmp = BN_CTX_get(ctx);
                    ^
    45.       if (rr == NULL || tmp == NULL)
    46.           goto err;

crypto/bn/bn_ctx.c:202:1: Parameter `ctx->stack.depth`
      200.   }
      201.   
      202. > BIGNUM *BN_CTX_get(BN_CTX *ctx)
      203.   {
      204.       BIGNUM *ret;

crypto/bn/bn_sqr.c:104:5: Call
    102.       bn_check_top(rr);
    103.       bn_check_top(tmp);
    104.       BN_CTX_end(ctx);
               ^
    105.       return ret;
    106.   }

crypto/bn/bn_ctx.c:185:1: Parameter `ctx->stack.depth`
      183.   }
      184.   
      185. > void BN_CTX_end(BN_CTX *ctx)
      186.   {
      187.       CTXDBG("ENTER BN_CTX_end()", ctx);

crypto/bn/bn_ctx.c:191:27: Call
      189.           ctx->err_stack--;
      190.       else {
      191.           unsigned int fp = BN_STACK_pop(&ctx->stack);
                                       ^
      192.           /* Does this stack frame have anything to release? */
      193.           if (fp < ctx->used)

crypto/bn/bn_ctx.c:266:1: <LHS trace>
264.   }
265.   
266. > static unsigned int BN_STACK_pop(BN_STACK *st)
267.   {
268.       return st->indexes[--(st->depth)];

crypto/bn/bn_ctx.c:266:1: Parameter `st->depth`
        264.   }
        265.   
        266. > static unsigned int BN_STACK_pop(BN_STACK *st)
        267.   {
        268.       return st->indexes[--(st->depth)];

crypto/bn/bn_ctx.c:268:12: Binary operation: ([0, +oo] - 1):unsigned32 by call to `BN_sqr` 
        266.   static unsigned int BN_STACK_pop(BN_STACK *st)
        267.   {
        268.       return st->indexes[--(st->depth)];
                          ^
        269.   }
        270.   
