ssl/s3_srvr.c:3095: error: NULL_DEREFERENCE
  pointer `pkey` last assigned on line 3047 could be null and is dereferenced at line 3095, column 16.
Showing all 27 steps of the trace


ssl/s3_srvr.c:3023:1: start of procedure ssl3_get_cert_verify()
3021.   	}
3022.   
3023. > int ssl3_get_cert_verify(SSL *s)
3024.   	{
3025.   	EVP_PKEY *pkey=NULL;

ssl/s3_srvr.c:3025:2: 
3023.   int ssl3_get_cert_verify(SSL *s)
3024.   	{
3025. > 	EVP_PKEY *pkey=NULL;
3026.   	unsigned char *p;
3027.   	int al,ok,ret=0;

ssl/s3_srvr.c:3027:2: 
3025.   	EVP_PKEY *pkey=NULL;
3026.   	unsigned char *p;
3027. > 	int al,ok,ret=0;
3028.   	long n;
3029.   	int type=0,i,j;

ssl/s3_srvr.c:3029:2: 
3027.   	int al,ok,ret=0;
3028.   	long n;
3029. > 	int type=0,i,j;
3030.   	X509 *peer;
3031.   	const EVP_MD *md = NULL;

ssl/s3_srvr.c:3031:2: 
3029.   	int type=0,i,j;
3030.   	X509 *peer;
3031. > 	const EVP_MD *md = NULL;
3032.   	EVP_MD_CTX mctx;
3033.   	EVP_MD_CTX_init(&mctx);

ssl/s3_srvr.c:3033:2: 
3031.   	const EVP_MD *md = NULL;
3032.   	EVP_MD_CTX mctx;
3033. > 	EVP_MD_CTX_init(&mctx);
3034.   
3035.   	n=s->method->ssl_get_message(s,

crypto/evp/digest.c:120:1: start of procedure EVP_MD_CTX_init()
  118.   #endif
  119.   
  120. > void EVP_MD_CTX_init(EVP_MD_CTX *ctx)
  121.   	{
  122.   	memset(ctx,'\0',sizeof *ctx);

crypto/evp/digest.c:122:2: 
  120.   void EVP_MD_CTX_init(EVP_MD_CTX *ctx)
  121.   	{
  122. > 	memset(ctx,'\0',sizeof *ctx);
  123.   	}
  124.   

crypto/evp/digest.c:123:2: return from a call to EVP_MD_CTX_init
  121.   	{
  122.   	memset(ctx,'\0',sizeof *ctx);
  123.   	}
          ^
  124.   
  125.   EVP_MD_CTX *EVP_MD_CTX_create(void)

ssl/s3_srvr.c:3035:2: Skipping __function_pointer__(): unresolved function pointer
3033.   	EVP_MD_CTX_init(&mctx);
3034.   
3035.   	n=s->method->ssl_get_message(s,
         ^
3036.   		SSL3_ST_SR_CERT_VRFY_A,
3037.   		SSL3_ST_SR_CERT_VRFY_B,

ssl/s3_srvr.c:3042:7: Taking false branch
3040.   		&ok);
3041.   
3042.   	if (!ok) return((int)n);
              ^
3043.   
3044.   	if (s->session->peer != NULL)

ssl/s3_srvr.c:3044:6: Taking true branch
3042.   	if (!ok) return((int)n);
3043.   
3044.   	if (s->session->peer != NULL)
             ^
3045.   		{
3046.   		peer=s->session->peer;

ssl/s3_srvr.c:3046:3: 
3044.   	if (s->session->peer != NULL)
3045.   		{
3046. > 		peer=s->session->peer;
3047.   		pkey=X509_get_pubkey(peer);
3048.   		type=X509_certificate_type(peer,pkey);

ssl/s3_srvr.c:3047:3: 
3045.   		{
3046.   		peer=s->session->peer;
3047. > 		pkey=X509_get_pubkey(peer);
3048.   		type=X509_certificate_type(peer,pkey);
3049.   		}

crypto/x509/x509_cmp.c:313:1: start of procedure X509_get_pubkey()
  311.   	}
  312.   
  313. > EVP_PKEY *X509_get_pubkey(X509 *x)
  314.   	{
  315.   	if ((x == NULL) || (x->cert_info == NULL))

crypto/x509/x509_cmp.c:315:7: Taking false branch
  313.   EVP_PKEY *X509_get_pubkey(X509 *x)
  314.   	{
  315.   	if ((x == NULL) || (x->cert_info == NULL))
               ^
  316.   		return(NULL);
  317.   	return(X509_PUBKEY_get(x->cert_info->key));

crypto/x509/x509_cmp.c:315:22: Taking true branch
  313.   EVP_PKEY *X509_get_pubkey(X509 *x)
  314.   	{
  315.   	if ((x == NULL) || (x->cert_info == NULL))
                              ^
  316.   		return(NULL);
  317.   	return(X509_PUBKEY_get(x->cert_info->key));

crypto/x509/x509_cmp.c:316:3: 
  314.   	{
  315.   	if ((x == NULL) || (x->cert_info == NULL))
  316. > 		return(NULL);
  317.   	return(X509_PUBKEY_get(x->cert_info->key));
  318.   	}

crypto/x509/x509_cmp.c:318:2: return from a call to X509_get_pubkey
  316.   		return(NULL);
  317.   	return(X509_PUBKEY_get(x->cert_info->key));
  318.   	}
          ^
  319.   
  320.   ASN1_BIT_STRING *X509_get0_pubkey_bitstr(const X509 *x)

ssl/s3_srvr.c:3048:3: Skipping X509_certificate_type(): empty list of specs
3046.   		peer=s->session->peer;
3047.   		pkey=X509_get_pubkey(peer);
3048.   		type=X509_certificate_type(peer,pkey);
          ^
3049.   		}
3050.   	else

ssl/s3_srvr.c:3056:6: Taking false branch
3054.   		}
3055.   
3056.   	if (s->s3->tmp.message_type != SSL3_MT_CERTIFICATE_VERIFY)
             ^
3057.   		{
3058.   		s->s3->tmp.reuse_message=1;

ssl/s3_srvr.c:3069:6: Taking false branch
3067.   		}
3068.   
3069.   	if (peer == NULL)
             ^
3070.   		{
3071.   		SSLerr(SSL_F_SSL3_GET_CERT_VERIFY,SSL_R_NO_CLIENT_CERT_RECEIVED);

ssl/s3_srvr.c:3076:8: Taking false branch
3074.   		}
3075.   
3076.   	if (!(type & EVP_PKT_SIGN))
               ^
3077.   		{
3078.   		SSLerr(SSL_F_SSL3_GET_CERT_VERIFY,SSL_R_SIGNATURE_FOR_NON_SIGNING_CERTIFICATE);

ssl/s3_srvr.c:3083:6: Taking false branch
3081.   		}
3082.   
3083.   	if (s->s3->change_cipher_spec)
             ^
3084.   		{
3085.   		SSLerr(SSL_F_SSL3_GET_CERT_VERIFY,SSL_R_CCS_RECEIVED_EARLY);

ssl/s3_srvr.c:3091:2: 
3089.   
3090.   	/* we now have a signature that we need to verify */
3091. > 	p=(unsigned char *)s->init_msg;
3092.   	/* Check for broken implementations of GOST ciphersuites */
3093.   	/* If key is GOST and n is exactly 64, it is bare

ssl/s3_srvr.c:3095:6: Taking true branch
3093.   	/* If key is GOST and n is exactly 64, it is bare
3094.   	 * signature without length field */
3095.   	if (n==64 && (pkey->type==NID_id_GostR3410_94 ||
             ^
3096.   		pkey->type == NID_id_GostR3410_2001) )
3097.   		{

ssl/s3_srvr.c:3095:16: 
3093.   	/* If key is GOST and n is exactly 64, it is bare
3094.   	 * signature without length field */
3095. > 	if (n==64 && (pkey->type==NID_id_GostR3410_94 ||
3096.   		pkey->type == NID_id_GostR3410_2001) )
3097.   		{
