engines/e_aep.c:805: error: INTEGER_OVERFLOW_L2
  ([0, +oo] - 1):unsigned32 by call to `aep_mod_exp`.
Showing all 29 steps of the trace


engines/e_aep.c:794:1: Parameter `ctx->stack.depth`
792.   
793.   #ifndef OPENSSL_NO_DSA
794. > static int aep_dsa_mod_exp(DSA *dsa, BIGNUM *rr, BIGNUM *a1,
795.   	BIGNUM *p1, BIGNUM *a2, BIGNUM *p2, BIGNUM *m,
796.   	BN_CTX *ctx, BN_MONT_CTX *in_mont)

engines/e_aep.c:803:7: Call
801.   
802.   	/* let rr = a1 ^ p1 mod m */
803.   	if (!aep_mod_exp(rr,a1,p1,m,ctx)) goto end;
             ^
804.   	/* let t = a2 ^ p2 mod m */
805.   	if (!aep_mod_exp(&t,a2,p2,m,ctx)) goto end;

engines/e_aep.c:583:1: Parameter `ctx->stack.depth`
  581.   	}
  582.   
  583. > static int aep_mod_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
  584.   	const BIGNUM *m, BN_CTX *ctx)
  585.   	{

engines/e_aep.c:805:7: Call
803.   	if (!aep_mod_exp(rr,a1,p1,m,ctx)) goto end;
804.   	/* let t = a2 ^ p2 mod m */
805.   	if (!aep_mod_exp(&t,a2,p2,m,ctx)) goto end;
             ^
806.   	/* let rr = rr * t mod m */
807.   	if (!BN_mod_mul(rr,rr,&t,m,ctx)) goto end;

engines/e_aep.c:583:1: Parameter `ctx->stack.depth`
  581.   	}
  582.   
  583. > static int aep_mod_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
  584.   	const BIGNUM *m, BN_CTX *ctx)
  585.   	{

engines/e_aep.c:597:10: Call
  595.   	if (r_len > max_key_len){
  596.   		AEPHKerr(AEPHK_F_AEP_MOD_EXP, AEPHK_R_SIZE_TOO_LARGE_OR_TOO_SMALL);
  597.   		return BN_mod_exp(r, a, p, m, ctx);
                  ^
  598.   	} 
  599.   

crypto/bn/bn_exp.c:155:1: Parameter `ctx->stack.depth`
    153.   
    154.   
    155. > int BN_mod_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, const BIGNUM *m,
    156.   	       BN_CTX *ctx)
    157.   	{

crypto/bn/bn_exp.c:211:8: Call
    209.   			{
    210.   			BN_ULONG A = a->d[0];
    211.   			ret=BN_mod_exp_mont_word(r,A,p,m,ctx,NULL);
                  ^
    212.   			}
    213.   		else

crypto/bn/bn_exp.c:503:1: Parameter `ctx->stack.depth`
      501.   	}
      502.   
      503. > int BN_mod_exp_mont_word(BIGNUM *rr, BN_ULONG a, const BIGNUM *p,
      504.                            const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *in_mont)
      505.   	{

crypto/bn/bn_exp.c:551:2: Call
      549.   		}
      550.   
      551.   	BN_CTX_start(ctx);
              ^
      552.   	d = BN_CTX_get(ctx);
      553.   	r = BN_CTX_get(ctx);

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

crypto/bn/bn_exp.c:562:8: Call
      560.   		{
      561.   		if ((mont = BN_MONT_CTX_new()) == NULL) goto err;
      562.   		if (!BN_MONT_CTX_set(mont, m, ctx)) goto err;
                    ^
      563.   		}
      564.   

crypto/bn/bn_mont.c:272:1: Parameter `ctx->stack.depth`
        270.   	}
        271.   
        272. > int BN_MONT_CTX_set(BN_MONT_CTX *mont, const BIGNUM *mod, BN_CTX *ctx)
        273.   	{
        274.   	BIGNUM Ri,*R;

crypto/bn/bn_mont.c:297:8: Call
        295.   		tmod.neg=0;
        296.   							/* Ri = R^-1 mod N*/
        297.   		if ((BN_mod_inverse(&Ri,R,&tmod,ctx)) == NULL)
                      ^
        298.   			goto err;
        299.   		if (!BN_lshift(&Ri,&Ri,BN_BITS2)) goto err; /* R*Ri */

crypto/bn/bn_gcd.c:206:1: Parameter `ctx->stack.depth`
          204.   
          205.   /* solves ax == 1 (mod n) */
          206. > BIGNUM *BN_mod_inverse(BIGNUM *in,
          207.   	const BIGNUM *a, const BIGNUM *n, BN_CTX *ctx)
          208.   	{

crypto/bn/bn_gcd.c:216:2: Call
          214.   	bn_check_top(n);
          215.   
          216.   	BN_CTX_start(ctx);
                  ^
          217.   	A = BN_CTX_get(ctx);
          218.   	B = BN_CTX_get(ctx);

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

crypto/bn/bn_gcd.c:239:8: Call
          237.   	if (B->neg || (BN_ucmp(B, A) >= 0))
          238.   		{
          239.   		if (!BN_nnmod(B, B, A, ctx)) goto err;
                        ^
          240.   		}
          241.   	sign = -1;

crypto/bn/bn_mod.c:127:1: Parameter `ctx->stack.depth`
            125.   
            126.   
            127. > int BN_nnmod(BIGNUM *r, const BIGNUM *m, const BIGNUM *d, BN_CTX *ctx)
            128.   	{
            129.   	/* like BN_mod, but returns non-negative remainder

crypto/bn/bn_mod.c:132:8: Call
            130.   	 * (i.e.,  0 <= r < |d|  always holds) */
            131.   
            132.   	if (!(BN_mod(r,m,d,ctx)))
                          ^
            133.   		return 0;
            134.   	if (!r->neg)

crypto/bn/bn_div.c:179:1: Parameter `ctx->stack.depth`
              177.    * If 'dv' or 'rm' is NULL, the respective value is not returned.
              178.    */
              179. > int BN_div(BIGNUM *dv, BIGNUM *rm, const BIGNUM *num, const BIGNUM *divisor,
              180.   	   BN_CTX *ctx)
              181.   	{

crypto/bn/bn_div.c:209:2: Call
              207.   		}
              208.   
              209.   	BN_CTX_start(ctx);
                      ^
              210.   	tmp=BN_CTX_get(ctx);
              211.   	snum=BN_CTX_get(ctx);

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

crypto/bn/bn_div.c:394:2: Call
              392.   		bn_check_top(rm);
              393.   		}
              394.   	BN_CTX_end(ctx);
                      ^
              395.   	return(1);
              396.   err:

crypto/bn/bn_ctx.c:270:1: Parameter `ctx->stack.depth`
                268.   	}
                269.   
                270. > void BN_CTX_end(BN_CTX *ctx)
                271.   	{
                272.   	CTXDBG_ENTRY("BN_CTX_end", ctx);

crypto/bn/bn_ctx.c:277:21: Call
                275.   	else
                276.   		{
                277.   		unsigned int fp = BN_STACK_pop(&ctx->stack);
                                           ^
                278.   		/* Does this stack frame have anything to release? */
                279.   		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:353:9: Binary operation: ([0, +oo] - 1):unsigned32 by call to `aep_mod_exp` 
                  351.   static unsigned int BN_STACK_pop(BN_STACK *st)
                  352.   	{
                  353.   	return st->indexes[--(st->depth)];
                                 ^
                  354.   	}
                  355.   
