crypto/dsa/dsa_ossl.c:307: error: INTEGER_OVERFLOW_L2
  ([0, +oo] - 1):unsigned32 by call to `BN_mod_exp_mont`.
Showing all 31 steps of the trace


crypto/dsa/dsa_ossl.c:232:1: Parameter `ctx_in->stack.depth`
230.   }
231.   
232. > static int dsa_sign_setup(DSA *dsa, BN_CTX *ctx_in,
233.                             BIGNUM **kinvp, BIGNUM **rp,
234.                             const unsigned char *dgst, int dlen)

crypto/dsa/dsa_ossl.c:307:5: Call
305.           K = k;
306.       }
307.       DSA_BN_MOD_EXP(goto err, dsa, r, dsa->g, K, dsa->p, ctx,
           ^
308.                      dsa->method_mont_p);
309.       if (!BN_mod(r, r, dsa->q, ctx))

crypto/bn/bn_exp.c:402:1: Parameter `ctx->stack.depth`
  400.   }
  401.   
  402. > int BN_mod_exp_mont(BIGNUM *rr, const BIGNUM *a, const BIGNUM *p,
  403.                       const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *in_mont)
  404.   {

crypto/bn/bn_exp.c:414:16: Call
  412.   
  413.       if (BN_get_flags(p, BN_FLG_CONSTTIME) != 0) {
  414.           return BN_mod_exp_mont_consttime(rr, a, p, m, ctx, in_mont);
                        ^
  415.       }
  416.   

crypto/bn/bn_exp.c:650:1: Parameter `ctx->stack.depth`
    648.    * http://www.daemong-consideredperthreading-considered-harmful/)
    649.    */
    650. > int BN_mod_exp_mont_consttime(BIGNUM *rr, const BIGNUM *a, const BIGNUM *p,
    651.                                 const BIGNUM *m, BN_CTX *ctx,
    652.                                 BN_MONT_CTX *in_mont)

crypto/bn/bn_exp.c:683:5: Call
    681.       }
    682.   
    683.       BN_CTX_start(ctx);
               ^
    684.   
    685.       /*

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:694:14: Call
    692.           if ((mont = BN_MONT_CTX_new()) == NULL)
    693.               goto err;
    694.           if (!BN_MONT_CTX_set(mont, m, ctx))
                        ^
    695.               goto err;
    696.       }

crypto/bn/bn_mont.c:347:1: Parameter `ctx->stack.depth`
      345.   }
      346.   
      347. > int BN_MONT_CTX_set(BN_MONT_CTX *mont, const BIGNUM *mod, BN_CTX *ctx)
      348.   {
      349.       int ret = 0;

crypto/bn/bn_mont.c:352:5: Call
      350.       BIGNUM *Ri, *R;
      351.   
      352.       BN_CTX_start(ctx);
                 ^
      353.       if ((Ri = BN_CTX_get(ctx)) == NULL)
      354.           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_mont.c:423:14: Call
      421.           tmod.top = buf[0] != 0 ? 1 : 0;
      422.           /* Ri = R^-1 mod N */
      423.           if ((BN_mod_inverse(Ri, R, &tmod, ctx)) == NULL)
                          ^
      424.               goto err;
      425.           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: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_gcd.c:603:14: Call
            601.           pB = &local_B;
            602.           BN_with_flags(pB, B, BN_FLG_CONSTTIME);
            603.           if (!BN_nnmod(B, pB, A, ctx))
                                ^
            604.               goto err;
            605.       }

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: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_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: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, +oo] - 1):unsigned32 by call to `BN_mod_exp_mont` 
                    351.   static unsigned int BN_STACK_pop(BN_STACK *st)
                    352.   {
                    353.       return st->indexes[--(st->depth)];
                                      ^
                    354.   }
                    355.   
