crypto/ec/ec_lib.c:502: error: INTEGER_OVERFLOW_L2
  ([0, +oo] - 1):unsigned32 by call to `BN_CTX_end`.
Showing all 19 steps of the trace


crypto/ec/ec_lib.c:473:1: Parameter `ctx->pool.used`
471.   
472.   
473. > int EC_GROUP_cmp(const EC_GROUP *a, const EC_GROUP *b, BN_CTX *ctx)
474.   	{
475.   	int    r = 0;

crypto/ec/ec_lib.c:494:7: Call
492.   	
493.   	BN_CTX_start(ctx);
494.   	a1 = BN_CTX_get(ctx);
             ^
495.   	a2 = BN_CTX_get(ctx);
496.   	a3 = 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/ec/ec_lib.c:495:7: Call
493.   	BN_CTX_start(ctx);
494.   	a1 = BN_CTX_get(ctx);
495.   	a2 = BN_CTX_get(ctx);
             ^
496.   	a3 = BN_CTX_get(ctx);
497.   	b1 = 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/ec/ec_lib.c:496:7: Call
494.   	a1 = BN_CTX_get(ctx);
495.   	a2 = BN_CTX_get(ctx);
496.   	a3 = BN_CTX_get(ctx);
             ^
497.   	b1 = BN_CTX_get(ctx);
498.   	b2 = 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/ec/ec_lib.c:497:7: Call
495.   	a2 = BN_CTX_get(ctx);
496.   	a3 = BN_CTX_get(ctx);
497.   	b1 = BN_CTX_get(ctx);
             ^
498.   	b2 = BN_CTX_get(ctx);
499.   	b3 = 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/ec/ec_lib.c:498:7: Call
496.   	a3 = BN_CTX_get(ctx);
497.   	b1 = BN_CTX_get(ctx);
498.   	b2 = BN_CTX_get(ctx);
             ^
499.   	b3 = BN_CTX_get(ctx);
500.   	if (!b3)

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/ec_lib.c:499:7: Call
497.   	b1 = BN_CTX_get(ctx);
498.   	b2 = BN_CTX_get(ctx);
499.   	b3 = BN_CTX_get(ctx);
             ^
500.   	if (!b3)
501.   		{

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/ec_lib.c:502:3: Call
500.   	if (!b3)
501.   		{
502.   		BN_CTX_end(ctx);
         ^
503.   		if (ctx_new)
504.   			BN_CTX_free(ctx);

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_CTX_end` 
    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--)
