crypto/bn/bn_sqrt.c:148: error: INTEGER_OVERFLOW_L2
  ([0, +oo] - 1):unsigned32 by call to `BN_mod_exp`.
Showing all 29 steps of the trace


crypto/bn/bn_sqrt.c:128:7: Call
126.   
127.   	/* A = a mod p */
128.   	if (!BN_nnmod(A, a, p, ctx)) goto end;
             ^
129.   
130.   	/* 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:148:8: Call
146.   		q->neg = 0;
147.   		if (!BN_add_word(q, 1)) goto end;
148.   		if (!BN_mod_exp(ret, A, q, p, ctx)) goto end;
              ^
149.   		err = 0;
150.   		goto vrfy;

crypto/bn/bn_exp.c:163:1: Parameter `ctx->pool.used`
  161.   
  162.   
  163. > int BN_mod_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, const BIGNUM *m,
  164.   	       BN_CTX *ctx)
  165.   	{

crypto/bn/bn_exp.c:228:9: Call
  226.   #endif
  227.   #ifdef RECP_MUL_MOD
  228.   		{ ret=BN_mod_exp_recp(r,a,p,m,ctx); }
                 ^
  229.   #else
  230.   		{ ret=BN_mod_exp_simple(r,a,p,m,ctx); }

crypto/bn/bn_exp.c:238:1: Parameter `ctx->pool.used`
    236.   
    237.   
    238. > int BN_mod_exp_recp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
    239.   		    const BIGNUM *m, BN_CTX *ctx)
    240.   	{

crypto/bn/bn_exp.c:264:7: Call
    262.   
    263.   	BN_CTX_start(ctx);
    264.   	aa = BN_CTX_get(ctx);
                 ^
    265.   	val[0] = BN_CTX_get(ctx);
    266.   	if(!aa || !val[0]) goto err;

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:265:11: Call
    263.   	BN_CTX_start(ctx);
    264.   	aa = BN_CTX_get(ctx);
    265.   	val[0] = BN_CTX_get(ctx);
                     ^
    266.   	if(!aa || !val[0]) goto err;
    267.   

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:281:7: Call
    279.   		}
    280.   
    281.   	if (!BN_nnmod(val[0],a,m,ctx)) goto err;		/* 1 */
                 ^
    282.   	if (BN_is_zero(val[0]))
    283.   		{

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:190:10: Call
        188.   	if ((BN_get_flags(num, BN_FLG_CONSTTIME) != 0) || (BN_get_flags(divisor, BN_FLG_CONSTTIME) != 0))
        189.   		{
        190.   		return BN_div_no_branch(dv, rm, num, divisor, ctx);
                        ^
        191.   		}
        192.   

crypto/bn/bn_div.c:409:1: Parameter `ctx->pool.used`
          407.    * branches that may leak sensitive information.
          408.    */
          409. > int BN_div_no_branch(BIGNUM *dv, BIGNUM *rm, const BIGNUM *num, 
          410.   	const BIGNUM *divisor, BN_CTX *ctx)
          411.   	{

crypto/bn/bn_div.c:430:6: Call
          428.   
          429.   	BN_CTX_start(ctx);
          430.   	tmp=BN_CTX_get(ctx);
                      ^
          431.   	snum=BN_CTX_get(ctx);
          432.   	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:431:7: Call
          429.   	BN_CTX_start(ctx);
          430.   	tmp=BN_CTX_get(ctx);
          431.   	snum=BN_CTX_get(ctx);
                       ^
          432.   	sdiv=BN_CTX_get(ctx);
          433.   	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:432:7: Call
          430.   	tmp=BN_CTX_get(ctx);
          431.   	snum=BN_CTX_get(ctx);
          432.   	sdiv=BN_CTX_get(ctx);
                       ^
          433.   	if (dv == NULL)
          434.   		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:622:2: Call
          620.   		}
          621.   	bn_correct_top(res);
          622.   	BN_CTX_end(ctx);
                  ^
          623.   	return(1);
          624.   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--)
