crypto/bn/bn_exp.c:1327: error: INTEGER_OVERFLOW_L2
  ([0, 4+max(0, `ctx->stack.depth`)] - 1):unsigned32 by call to `BN_mod_mul`.
Showing all 21 steps of the trace


crypto/bn/bn_exp.c:1289:1: Parameter `ctx->stack.depth`
1287.   
1288.   /* The old fallback, simple version :-) */
1289. > int BN_mod_exp_simple(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
1290.                         const BIGNUM *m, BN_CTX *ctx)
1291.   {

crypto/bn/bn_exp.c:1311:5: Call
1309.       }
1310.   
1311.       BN_CTX_start(ctx);
            ^
1312.       d = BN_CTX_get(ctx);
1313.       val[0] = BN_CTX_get(ctx);

crypto/bn/bn_ctx.c:253:1: Parameter `ctx->stack.depth`
  251.   }
  252.   
  253. > void BN_CTX_start(BN_CTX *ctx)
  254.   {
  255.       CTXDBG_ENTRY("BN_CTX_start", ctx);

crypto/bn/bn_exp.c:1317:10: Call
1315.           goto err;
1316.   
1317.       if (!BN_nnmod(val[0], a, m, ctx))
                 ^
1318.           goto err;               /* 1 */
1319.       if (BN_is_zero(val[0])) {

crypto/bn/bn_mod.c:119:1: Parameter `ctx->stack.depth`
  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->stack.depth`
    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_exp.c:1327:14: Call
1325.       window = BN_window_bits_for_exponent_size(bits);
1326.       if (window > 1) {
1327.           if (!BN_mod_mul(d, val[0], val[0], m, ctx))
                     ^
1328.               goto err;           /* 2 */
1329.           j = 1 << (window - 1);

crypto/bn/bn_mod.c:179:1: Parameter `ctx->stack.depth`
  177.   
  178.   /* slow but works */
  179. > int BN_mod_mul(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, const BIGNUM *m,
  180.                  BN_CTX *ctx)
  181.   {

crypto/bn/bn_mod.c:189:5: Call
  187.       bn_check_top(m);
  188.   
  189.       BN_CTX_start(ctx);
             ^
  190.       if ((t = BN_CTX_get(ctx)) == NULL)
  191.           goto err;

crypto/bn/bn_ctx.c:253:1: Parameter `ctx->stack.depth`
    251.   }
    252.   
    253. > void BN_CTX_start(BN_CTX *ctx)
    254.   {
    255.       CTXDBG_ENTRY("BN_CTX_start", ctx);

crypto/bn/bn_mod.c:193:14: Call
  191.           goto err;
  192.       if (a == b) {
  193.           if (!BN_sqr(t, a, ctx))
                      ^
  194.               goto err;
  195.       } else {

crypto/bn/bn_sqr.c:66:1: Parameter `ctx->stack.depth`
    64.    * I've just gone over this and it is now %20 faster on x86 - eay - 27 Jun 96
    65.    */
    66. > int BN_sqr(BIGNUM *r, const BIGNUM *a, BN_CTX *ctx)
    67.   {
    68.       int max, al;

crypto/bn/bn_sqr.c:81:5: Call
    79.       }
    80.   
    81.       BN_CTX_start(ctx);
              ^
    82.       rr = (a != r) ? r : BN_CTX_get(ctx);
    83.       tmp = BN_CTX_get(ctx);

crypto/bn/bn_ctx.c:253:1: Parameter `ctx->stack.depth`
      251.   }
      252.   
      253. > void BN_CTX_start(BN_CTX *ctx)
      254.   {
      255.       CTXDBG_ENTRY("BN_CTX_start", ctx);

crypto/bn/bn_sqr.c:148:5: Call
    146.       bn_check_top(rr);
    147.       bn_check_top(tmp);
    148.       BN_CTX_end(ctx);
               ^
    149.       return (ret);
    150.   }

crypto/bn/bn_ctx.c:267:1: Parameter `ctx->stack.depth`
      265.   }
      266.   
      267. > void BN_CTX_end(BN_CTX *ctx)
      268.   {
      269.       CTXDBG_ENTRY("BN_CTX_end", ctx);

crypto/bn/bn_ctx.c:273:27: Call
      271.           ctx->err_stack--;
      272.       else {
      273.           unsigned int fp = BN_STACK_pop(&ctx->stack);
                                       ^
      274.           /* Does this stack frame have anything to release? */
      275.           if (fp < ctx->used)

crypto/bn/bn_ctx.c:351:1: <LHS trace>
349.   }
350.   
351. > static unsigned int BN_STACK_pop(BN_STACK *st)
352.   {
353.       return st->indexes[--(st->depth)];

crypto/bn/bn_ctx.c:351:1: Parameter `st->depth`
        349.   }
        350.   
        351. > static unsigned int BN_STACK_pop(BN_STACK *st)
        352.   {
        353.       return st->indexes[--(st->depth)];

crypto/bn/bn_ctx.c:353:12: Binary operation: ([0, 4+max(0, ctx->stack.depth)] - 1):unsigned32 by call to `BN_mod_mul` 
        351.   static unsigned int BN_STACK_pop(BN_STACK *st)
        352.   {
        353.       return st->indexes[--(st->depth)];
                          ^
        354.   }
        355.   
