engines/ccgost/gost2001.c:307: error: INTEGER_OVERFLOW_L2
  ([0, +oo] - 1):unsigned32 by call to `BN_CTX_end`.
Showing all 8 steps of the trace


engines/ccgost/gost2001.c:287:2: Call
285.   		}	
286.   	ctx=BN_CTX_new();
287.   	BN_CTX_start(ctx);
        ^
288.   	if (!(priv_key=EC_KEY_get0_private_key(ec))) 
289.   		{

crypto/bn/bn_ctx.c:255:1: Parameter `ctx->stack.depth`
  253.   	}
  254.   
  255. > void BN_CTX_start(BN_CTX *ctx)
  256.   	{
  257.   	CTXDBG_ENTRY("BN_CTX_start", ctx);

engines/ccgost/gost2001.c:307:2: Call
305.   	ok = 256;
306.   	err:
307.   	BN_CTX_end(ctx);
        ^
308.   	EC_POINT_free(pub_key);
309.   	BN_CTX_free(ctx);

crypto/bn/bn_ctx.c:270:1: Parameter `ctx->stack.depth`
  268.   	}
  269.   
  270. > void BN_CTX_end(BN_CTX *ctx)
  271.   	{
  272.   	CTXDBG_ENTRY("BN_CTX_end", ctx);

crypto/bn/bn_ctx.c:277:21: Call
  275.   	else
  276.   		{
  277.   		unsigned int fp = BN_STACK_pop(&ctx->stack);
                             ^
  278.   		/* Does this stack frame have anything to release? */
  279.   		if(fp < ctx->used)

crypto/bn/bn_ctx.c:351:1: <LHS trace>
349.   	}
350.   
351. > static unsigned int BN_STACK_pop(BN_STACK *st)
352.   	{
353.   	return st->indexes[--(st->depth)];

crypto/bn/bn_ctx.c:351:1: Parameter `st->depth`
    349.   	}
    350.   
    351. > static unsigned int BN_STACK_pop(BN_STACK *st)
    352.   	{
    353.   	return st->indexes[--(st->depth)];

crypto/bn/bn_ctx.c:353:9: Binary operation: ([0, +oo] - 1):unsigned32 by call to `BN_CTX_end` 
    351.   static unsigned int BN_STACK_pop(BN_STACK *st)
    352.   	{
    353.   	return st->indexes[--(st->depth)];
                   ^
    354.   	}
    355.   

static unsigned int BN_STACK_pop(BN_STACK *st)
	{
	return st->indexes[--(st->depth)];
	}
['int gost2001_compute_public(EC_KEY *ec)\n\t{\n\tconst EC_GROUP *group = EC_KEY_get0_group(ec);\n\tEC_POINT *pub_key=NULL;\n\tconst BIGNUM *priv_key=NULL;\n\tBN_CTX *ctx=NULL;\n\tint ok=0;\n\tif (!group)\n\t\t{\n\t\tGOSTerr(GOST_F_GOST2001_COMPUTE_PUBLIC,GOST_R_KEY_IS_NOT_INITIALIZED);\n\t\treturn 0;\n\t\t}\n\tctx=BN_CTX_new();\n\tBN_CTX_start(ctx);\n\tif (!(priv_key=EC_KEY_get0_private_key(ec)))\n\t\t{\n\t\tGOSTerr(GOST_F_GOST2001_COMPUTE_PUBLIC,ERR_R_EC_LIB);\n\t\tgoto err;\n\t\t}\n\tpub_key = EC_POINT_new(group);\n\tif (!EC_POINT_mul(group,pub_key,priv_key,NULL,NULL,ctx))\n\t\t{\n\t\tGOSTerr(GOST_F_GOST2001_COMPUTE_PUBLIC,ERR_R_EC_LIB);\n\t\tgoto err;\n\t\t}\n\tif (!EC_KEY_set_public_key(ec,pub_key))\n\t\t{\n\t\tGOSTerr(GOST_F_GOST2001_COMPUTE_PUBLIC,ERR_R_EC_LIB);\n\t\tgoto err;\n\t\t}\n\tok = 256;\n\terr:\n\tBN_CTX_end(ctx);\n\tEC_POINT_free(pub_key);\n\tBN_CTX_free(ctx);\n\treturn ok;\n\t}', 'void BN_CTX_start(BN_CTX *ctx)\n\t{\n\tCTXDBG_ENTRY("BN_CTX_start", ctx);\n\tif(ctx->err_stack || ctx->too_many)\n\t\tctx->err_stack++;\n\telse if(!BN_STACK_push(&ctx->stack, ctx->used))\n\t\t{\n\t\tBNerr(BN_F_BN_CTX_START,BN_R_TOO_MANY_TEMPORARY_VARIABLES);\n\t\tctx->err_stack++;\n\t\t}\n\tCTXDBG_EXIT(ctx);\n\t}', 'void BN_CTX_end(BN_CTX *ctx)\n\t{\n\tCTXDBG_ENTRY("BN_CTX_end", ctx);\n\tif(ctx->err_stack)\n\t\tctx->err_stack--;\n\telse\n\t\t{\n\t\tunsigned int fp = BN_STACK_pop(&ctx->stack);\n\t\tif(fp < ctx->used)\n\t\t\tBN_POOL_release(&ctx->pool, ctx->used - fp);\n\t\tctx->used = fp;\n\t\tctx->too_many = 0;\n\t\t}\n\tCTXDBG_EXIT(ctx);\n\t}', 'static unsigned int BN_STACK_pop(BN_STACK *st)\n\t{\n\treturn st->indexes[--(st->depth)];\n\t}']