crypto/ec/ecp_smpl.c:198: error: INTEGER_OVERFLOW_L2
  ([0, +oo] - 1):unsigned32 by call to `BN_nnmod`.
Showing all 19 steps of the trace


crypto/ec/ecp_smpl.c:168:1: Parameter `ctx->pool.used`
166.   
167.   
168. > int ec_GFp_simple_group_set_curve(EC_GROUP *group,
169.   	const BIGNUM *p, const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx)
170.   	{

crypto/ec/ecp_smpl.c:190:10: Call
188.   
189.   	BN_CTX_start(ctx);
190.   	tmp_a = BN_CTX_get(ctx);
                ^
191.   	if (tmp_a == NULL) goto err;
192.   

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/ec/ecp_smpl.c:198:7: Call
196.   
197.   	/* group->a */
198.   	if (!BN_nnmod(tmp_a, a, p, ctx)) goto err;
             ^
199.   	if (group->meth->field_encode)
200.   		{ if (!group->meth->field_encode(group, &group->a, tmp_a, ctx)) goto err; }	

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:208:6: Call
    206.   
    207.   	BN_CTX_start(ctx);
    208.   	tmp=BN_CTX_get(ctx);
                ^
    209.   	snum=BN_CTX_get(ctx);
    210.   	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:209:7: Call
    207.   	BN_CTX_start(ctx);
    208.   	tmp=BN_CTX_get(ctx);
    209.   	snum=BN_CTX_get(ctx);
                 ^
    210.   	sdiv=BN_CTX_get(ctx);
    211.   	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:210:7: Call
    208.   	tmp=BN_CTX_get(ctx);
    209.   	snum=BN_CTX_get(ctx);
    210.   	sdiv=BN_CTX_get(ctx);
                 ^
    211.   	if (dv == NULL)
    212.   		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:392:2: Call
    390.   		bn_check_top(rm);
    391.   		}
    392.   	BN_CTX_end(ctx);
            ^
    393.   	return(1);
    394.   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_nnmod` 
        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--)
