crypto/bn/bn_sqrt.c:146: error: INTEGER_OVERFLOW_L2
  ([0, +oo] - 1):unsigned32 by call to `BN_mod_exp`.
Showing all 25 steps of the trace


crypto/bn/bn_sqrt.c:126:7: Call
124.   
125.   	/* A = a mod p */
126.   	if (!BN_nnmod(A, a, p, ctx)) goto end;
             ^
127.   
128.   	/* now write  |p| - 1  as  2^e*q  where  q  is odd */

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->pool.used`
    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_sqrt.c:146:8: Call
144.   		q->neg = 0;
145.   		if (!BN_add_word(q, 1)) goto end;
146.   		if (!BN_mod_exp(ret, A, q, p, ctx)) goto end;
              ^
147.   		err = 0;
148.   		goto vrfy;

crypto/bn/bn_exp.c:155:1: Parameter `ctx->pool.used`
  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:220:9: Call
  218.   #endif
  219.   #ifdef RECP_MUL_MOD
  220.   		{ ret=BN_mod_exp_recp(r,a,p,m,ctx); }
                 ^
  221.   #else
  222.   		{ ret=BN_mod_exp_simple(r,a,p,m,ctx); }

crypto/bn/bn_exp.c:230:1: Parameter `ctx->pool.used`
    228.   
    229.   
    230. > int BN_mod_exp_recp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
    231.   		    const BIGNUM *m, BN_CTX *ctx)
    232.   	{

crypto/bn/bn_exp.c:248:12: Call
    246.   
    247.   	BN_CTX_start(ctx);
    248.   	if ((aa = BN_CTX_get(ctx)) == NULL) goto err;
                      ^
    249.   
    250.   	BN_RECP_CTX_init(&recp);

crypto/bn/bn_ctx.c:288:1: Parameter `ctx->pool.used`
      286.   	}
      287.   
      288. > BIGNUM *BN_CTX_get(BN_CTX *ctx)
      289.   	{
      290.   	BIGNUM *ret;

crypto/bn/bn_exp.c:266:7: Call
    264.   	ts=1;
    265.   
    266.   	if (!BN_nnmod(&(val[0]),a,m,ctx)) goto err;		/* 1 */
                 ^
    267.   	if (BN_is_zero(&(val[0])))
    268.   		{

crypto/bn/bn_mod.c:127:1: Parameter `ctx->pool.used`
      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->pool.used`
        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:210:6: Call
        208.   
        209.   	BN_CTX_start(ctx);
        210.   	tmp=BN_CTX_get(ctx);
                    ^
        211.   	snum=BN_CTX_get(ctx);
        212.   	sdiv=BN_CTX_get(ctx);

crypto/bn/bn_ctx.c:288:1: Parameter `ctx->pool.used`
          286.   	}
          287.   
          288. > BIGNUM *BN_CTX_get(BN_CTX *ctx)
          289.   	{
          290.   	BIGNUM *ret;

crypto/bn/bn_div.c:211:7: Call
        209.   	BN_CTX_start(ctx);
        210.   	tmp=BN_CTX_get(ctx);
        211.   	snum=BN_CTX_get(ctx);
                     ^
        212.   	sdiv=BN_CTX_get(ctx);
        213.   	if (dv == NULL)

crypto/bn/bn_ctx.c:288:1: Parameter `ctx->pool.used`
          286.   	}
          287.   
          288. > BIGNUM *BN_CTX_get(BN_CTX *ctx)
          289.   	{
          290.   	BIGNUM *ret;

crypto/bn/bn_div.c:212:7: Call
        210.   	tmp=BN_CTX_get(ctx);
        211.   	snum=BN_CTX_get(ctx);
        212.   	sdiv=BN_CTX_get(ctx);
                     ^
        213.   	if (dv == NULL)
        214.   		res=BN_CTX_get(ctx);

crypto/bn/bn_ctx.c:288:1: Parameter `ctx->pool.used`
          286.   	}
          287.   
          288. > BIGNUM *BN_CTX_get(BN_CTX *ctx)
          289.   	{
          290.   	BIGNUM *ret;

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->pool.used`
          268.   	}
          269.   
          270. > void BN_CTX_end(BN_CTX *ctx)
          271.   	{
          272.   	CTXDBG_ENTRY("BN_CTX_end", ctx);

crypto/bn/bn_ctx.c:280:4: Call
          278.   		/* Does this stack frame have anything to release? */
          279.   		if(fp < ctx->used)
          280.   			BN_POOL_release(&ctx->pool, ctx->used - fp);
                    ^
          281.   		ctx->used = fp;
          282.   		/* Unjam "too_many" in case "get" had failed */

crypto/bn/bn_ctx.c:438:1: <LHS trace>
436.   	}
437.   
438. > static void BN_POOL_release(BN_POOL *p, unsigned int num)
439.   	{
440.   	unsigned int offset = (p->used - 1) % BN_CTX_POOL_SIZE;

crypto/bn/bn_ctx.c:438:1: Parameter `p->used`
            436.   	}
            437.   
            438. > static void BN_POOL_release(BN_POOL *p, unsigned int num)
            439.   	{
            440.   	unsigned int offset = (p->used - 1) % BN_CTX_POOL_SIZE;

crypto/bn/bn_ctx.c:440:2: Binary operation: ([0, +oo] - 1):unsigned32 by call to `BN_mod_exp` 
            438.   static void BN_POOL_release(BN_POOL *p, unsigned int num)
            439.   	{
            440.   	unsigned int offset = (p->used - 1) % BN_CTX_POOL_SIZE;
                    ^
            441.   	p->used -= num;
            442.   	while(num--)
