test/bntest.c:1055: error: INTEGER_OVERFLOW_L2
  ([0, +oo] - 1):unsigned32 by call to `BN_mod_exp_mont_consttime`.
Showing all 31 steps of the trace


test/bntest.c:1034:1: Parameter `ctx->stack.depth`
1032.   }
1033.   
1034. > int test_mod_exp_mont_consttime(BIO *bp, BN_CTX *ctx)
1035.   {
1036.       BIGNUM *a, *b, *c, *d, *e;

test/bntest.c:1048:9: Call
1046.       BN_one(b);
1047.       BN_zero(c);
1048.       if (BN_mod_exp_mont_consttime(d, a, b, c, ctx, NULL)) {
                ^
1049.           fprintf(stderr, "BN_mod_exp_mont_consttime with zero modulus "
1050.                   "succeeded\n");

crypto/bn/bn_exp.c:644:1: Parameter `ctx->stack.depth`
  642.    * http://www.daemong-consideredperthreading-considered-harmful/)
  643.    */
  644. > int BN_mod_exp_mont_consttime(BIGNUM *rr, const BIGNUM *a, const BIGNUM *p,
  645.                                 const BIGNUM *m, BN_CTX *ctx,
  646.                                 BN_MONT_CTX *in_mont)

test/bntest.c:1055:9: Call
1053.   
1054.       BN_set_word(c, 16);
1055.       if (BN_mod_exp_mont_consttime(d, a, b, c, ctx, NULL)) {
                ^
1056.           fprintf(stderr, "BN_mod_exp_mont_consttime with even modulus "
1057.                   "succeeded\n");

crypto/bn/bn_exp.c:644:1: Parameter `ctx->stack.depth`
  642.    * http://www.daemong-consideredperthreading-considered-harmful/)
  643.    */
  644. > int BN_mod_exp_mont_consttime(BIGNUM *rr, const BIGNUM *a, const BIGNUM *p,
  645.                                 const BIGNUM *m, BN_CTX *ctx,
  646.                                 BN_MONT_CTX *in_mont)

crypto/bn/bn_exp.c:678:5: Call
  676.       }
  677.   
  678.       BN_CTX_start(ctx);
             ^
  679.   
  680.       /*

crypto/bn/bn_ctx.c:236:1: Parameter `ctx->stack.depth`
    234.   }
    235.   
    236. > void BN_CTX_start(BN_CTX *ctx)
    237.   {
    238.       CTXDBG_ENTRY("BN_CTX_start", ctx);

crypto/bn/bn_exp.c:689:14: Call
  687.           if ((mont = BN_MONT_CTX_new()) == NULL)
  688.               goto err;
  689.           if (!BN_MONT_CTX_set(mont, m, ctx))
                      ^
  690.               goto err;
  691.       }

crypto/bn/bn_mont.c:349:1: Parameter `ctx->stack.depth`
    347.   }
    348.   
    349. > int BN_MONT_CTX_set(BN_MONT_CTX *mont, const BIGNUM *mod, BN_CTX *ctx)
    350.   {
    351.       int ret = 0;

crypto/bn/bn_mont.c:357:5: Call
    355.           return 0;
    356.   
    357.       BN_CTX_start(ctx);
               ^
    358.       if ((Ri = BN_CTX_get(ctx)) == NULL)
    359.           goto err;

crypto/bn/bn_ctx.c:236:1: Parameter `ctx->stack.depth`
      234.   }
      235.   
      236. > void BN_CTX_start(BN_CTX *ctx)
      237.   {
      238.       CTXDBG_ENTRY("BN_CTX_start", ctx);

crypto/bn/bn_mont.c:428:14: Call
    426.           tmod.top = buf[0] != 0 ? 1 : 0;
    427.           /* Ri = R^-1 mod N */
    428.           if ((BN_mod_inverse(Ri, R, &tmod, ctx)) == NULL)
                        ^
    429.               goto err;
    430.           if (!BN_lshift(Ri, Ri, BN_BITS2))

crypto/bn/bn_gcd.c:226:1: Parameter `ctx->stack.depth`
      224.                                           BN_CTX *ctx);
      225.   
      226. > BIGNUM *BN_mod_inverse(BIGNUM *in,
      227.                          const BIGNUM *a, const BIGNUM *n, BN_CTX *ctx)
      228.   {

crypto/bn/bn_gcd.c:231:10: Call
      229.       BIGNUM *rv;
      230.       int noinv;
      231.       rv = int_bn_mod_inverse(in, a, n, ctx, &noinv);
                      ^
      232.       if (noinv)
      233.           BNerr(BN_F_BN_MOD_INVERSE, BN_R_NO_INVERSE);

crypto/bn/bn_gcd.c:237:1: Parameter `ctx->stack.depth`
        235.   }
        236.   
        237. > BIGNUM *int_bn_mod_inverse(BIGNUM *in,
        238.                              const BIGNUM *a, const BIGNUM *n, BN_CTX *ctx,
        239.                              int *pnoinv)

crypto/bn/bn_gcd.c:250:16: Call
        248.       if ((BN_get_flags(a, BN_FLG_CONSTTIME) != 0)
        249.           || (BN_get_flags(n, BN_FLG_CONSTTIME) != 0)) {
        250.           return BN_mod_inverse_no_branch(in, a, n, ctx);
                              ^
        251.       }
        252.   

crypto/bn/bn_gcd.c:557:1: Parameter `ctx->stack.depth`
          555.    * not contain branches that may leak sensitive information.
          556.    */
          557. > static BIGNUM *BN_mod_inverse_no_branch(BIGNUM *in,
          558.                                           const BIGNUM *a, const BIGNUM *n,
          559.                                           BN_CTX *ctx)

crypto/bn/bn_gcd.c:570:5: Call
          568.       bn_check_top(n);
          569.   
          570.       BN_CTX_start(ctx);
                     ^
          571.       A = BN_CTX_get(ctx);
          572.       B = BN_CTX_get(ctx);

crypto/bn/bn_ctx.c:236:1: Parameter `ctx->stack.depth`
            234.   }
            235.   
            236. > void BN_CTX_start(BN_CTX *ctx)
            237.   {
            238.       CTXDBG_ENTRY("BN_CTX_start", ctx);

crypto/bn/bn_gcd.c:604:14: Call
          602.           local_B.flags = 0;
          603.           BN_with_flags(pB, B, BN_FLG_CONSTTIME);
          604.           if (!BN_nnmod(B, pB, A, ctx))
                              ^
          605.               goto err;
          606.       }

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_div.c:242:5: Call
              240.       }
              241.   
              242.       BN_CTX_start(ctx);
                         ^
              243.       tmp = BN_CTX_get(ctx);
              244.       snum = BN_CTX_get(ctx);

crypto/bn/bn_ctx.c:236:1: Parameter `ctx->stack.depth`
                234.   }
                235.   
                236. > void BN_CTX_start(BN_CTX *ctx)
                237.   {
                238.       CTXDBG_ENTRY("BN_CTX_start", ctx);

crypto/bn/bn_div.c:469:5: Call
              467.       if (no_branch)
              468.           bn_correct_top(res);
              469.       BN_CTX_end(ctx);
                         ^
              470.       return (1);
              471.    err:

crypto/bn/bn_ctx.c:250:1: Parameter `ctx->stack.depth`
                248.   }
                249.   
                250. > void BN_CTX_end(BN_CTX *ctx)
                251.   {
                252.       CTXDBG_ENTRY("BN_CTX_end", ctx);

crypto/bn/bn_ctx.c:256:27: Call
                254.           ctx->err_stack--;
                255.       else {
                256.           unsigned int fp = BN_STACK_pop(&ctx->stack);
                                                 ^
                257.           /* Does this stack frame have anything to release? */
                258.           if (fp < ctx->used)

crypto/bn/bn_ctx.c:326:1: <LHS trace>
324.   }
325.   
326. > static unsigned int BN_STACK_pop(BN_STACK *st)
327.   {
328.       return st->indexes[--(st->depth)];

crypto/bn/bn_ctx.c:326:1: Parameter `st->depth`
                  324.   }
                  325.   
                  326. > static unsigned int BN_STACK_pop(BN_STACK *st)
                  327.   {
                  328.       return st->indexes[--(st->depth)];

crypto/bn/bn_ctx.c:328:12: Binary operation: ([0, +oo] - 1):unsigned32 by call to `BN_mod_exp_mont_consttime` 
                  326.   static unsigned int BN_STACK_pop(BN_STACK *st)
                  327.   {
                  328.       return st->indexes[--(st->depth)];
                                    ^
                  329.   }
                  330.   
