crypto/bn/bn_gf2m.c:616: error: INTEGER_OVERFLOW_L2
  ([0, +oo] - 1):unsigned32 by call to `BN_GF2m_mod_mul`.
Showing all 15 steps of the trace


crypto/bn/bn_gf2m.c:615:7: Call
613.   	if (xinv == NULL) goto err;
614.   	
615.   	if (!BN_GF2m_mod_inv(xinv, x, p, ctx)) goto err;
             ^
616.   	if (!BN_GF2m_mod_mul(r, y, xinv, p, ctx)) goto err;
617.   	bn_check_top(r);

crypto/bn/bn_gf2m.c:569:4: Call
  567.   
  568.   err:
  569.     	BN_CTX_end(ctx);
            ^
  570.   	return ret;
  571.   	}

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_gf2m.c:616:7: Call
614.   	
615.   	if (!BN_GF2m_mod_inv(xinv, x, p, ctx)) goto err;
616.   	if (!BN_GF2m_mod_mul(r, y, xinv, p, ctx)) goto err;
             ^
617.   	bn_check_top(r);
618.   	ret = 1;

crypto/bn/bn_gf2m.c:433:1: Parameter `ctx->pool.used`
  431.    * BN_GF2m_mod_mul_arr function.
  432.    */
  433. > int	BN_GF2m_mod_mul(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, const BIGNUM *p, BN_CTX *ctx)
  434.   	{
  435.   	int ret = 0;

crypto/bn/bn_gf2m.c:448:8: Call
  446.   		goto err;
  447.   		}
  448.   	ret = BN_GF2m_mod_mul_arr(r, a, b, arr, ctx);
                ^
  449.   	bn_check_top(r);
  450.   err:

crypto/bn/bn_gf2m.c:380:1: Parameter `ctx->pool.used`
    378.    * the result in r.  r could be a or b; a could be b.
    379.    */
    380. > int	BN_GF2m_mod_mul_arr(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, const int p[], BN_CTX *ctx)
    381.   	{
    382.   	int zlen, i, j, k, ret = 0;

crypto/bn/bn_gf2m.c:395:11: Call
    393.   
    394.   	BN_CTX_start(ctx);
    395.   	if ((s = BN_CTX_get(ctx)) == NULL) goto err;
                     ^
    396.   	
    397.   	zlen = a->top + b->top + 4;

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_gf2m.c:422:2: Call
    420.   
    421.   err:
    422.   	BN_CTX_end(ctx);
            ^
    423.   	return ret;
    424.   	}

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_GF2m_mod_mul` 
        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--)
