ssl/t1_lib.c:4063: error: NULL_DEREFERENCE
  pointer `null` is dereferenced by call to `ssl_security_cert()` at line 4063, column 10.
Showing all 11 steps of the trace


ssl/t1_lib.c:4054:1: start of procedure ssl_security_cert_chain()
4052.    */
4053.   
4054. > int ssl_security_cert_chain(SSL *s, STACK_OF(X509) *sk, X509 *x, int vfy)
4055.   {
4056.       int rv, start_idx, i;

ssl/t1_lib.c:4057:9: Taking true branch
4055.   {
4056.       int rv, start_idx, i;
4057.       if (x == NULL) {
                ^
4058.           x = sk_X509_value(sk, 0);
4059.           start_idx = 1;

ssl/t1_lib.c:4058:9: 
4056.       int rv, start_idx, i;
4057.       if (x == NULL) {
4058. >         x = sk_X509_value(sk, 0);
4059.           start_idx = 1;
4060.       } else

include/openssl/x509.h:98:1: start of procedure sk_X509_value()
  96.   typedef struct x509_cinf_st X509_CINF;
  97.   
  98. > DEFINE_STACK_OF(X509)
  99.   
  100.   /* This is used for a table of trust checking functions */

crypto/stack/stack.c:272:1: start of procedure OPENSSL_sk_value()
    270.   }
    271.   
    272. > void *OPENSSL_sk_value(const OPENSSL_STACK *st, int i)
    273.   {
    274.       if (st == NULL || i < 0 || i >= st->num)

crypto/stack/stack.c:274:9: Taking true branch
    272.   void *OPENSSL_sk_value(const OPENSSL_STACK *st, int i)
    273.   {
    274.       if (st == NULL || i < 0 || i >= st->num)
                   ^
    275.           return NULL;
    276.       return st->data[i];

crypto/stack/stack.c:275:9: 
    273.   {
    274.       if (st == NULL || i < 0 || i >= st->num)
    275. >         return NULL;
    276.       return st->data[i];
    277.   }

crypto/stack/stack.c:277:1: return from a call to OPENSSL_sk_value
    275.           return NULL;
    276.       return st->data[i];
    277. > }
    278.   
    279.   void *OPENSSL_sk_set(OPENSSL_STACK *st, int i, void *value)

include/openssl/x509.h:98:1: return from a call to sk_X509_value
  96.   typedef struct x509_cinf_st X509_CINF;
  97.   
  98. > DEFINE_STACK_OF(X509)
  99.   
  100.   /* This is used for a table of trust checking functions */

ssl/t1_lib.c:4059:9: 
4057.       if (x == NULL) {
4058.           x = sk_X509_value(sk, 0);
4059. >         start_idx = 1;
4060.       } else
4061.           start_idx = 0;

ssl/t1_lib.c:4063:5: 
4061.           start_idx = 0;
4062.   
4063. >     rv = ssl_security_cert(s, NULL, x, vfy, 1);
4064.       if (rv != 1)
4065.           return rv;

int ssl_security_cert_chain(SSL *s, STACK_OF(X509) *sk, X509 *x, int vfy)
{
    int rv, start_idx, i;
    if (x == NULL) {
        x = sk_X509_value(sk, 0);
        start_idx = 1;
    } else
        start_idx = 0;
    rv = ssl_security_cert(s, NULL, x, vfy, 1);
    if (rv != 1)
        return rv;
    for (i = start_idx; i < sk_X509_num(sk); i++) {
        x = sk_X509_value(sk, i);
        rv = ssl_security_cert(s, NULL, x, vfy, 0);
        if (rv != 1)
            return rv;
    }
    return 1;
}
['int ssl_security_cert_chain(SSL *s, STACK_OF(X509) *sk, X509 *x, int vfy)\n{\n    int rv, start_idx, i;\n    if (x == NULL) {\n        x = sk_X509_value(sk, 0);\n        start_idx = 1;\n    } else\n        start_idx = 0;\n    rv = ssl_security_cert(s, NULL, x, vfy, 1);\n    if (rv != 1)\n        return rv;\n    for (i = start_idx; i < sk_X509_num(sk); i++) {\n        x = sk_X509_value(sk, i);\n        rv = ssl_security_cert(s, NULL, x, vfy, 0);\n        if (rv != 1)\n            return rv;\n    }\n    return 1;\n}', 'DEFINE_STACK_OF(X509)', 'void *OPENSSL_sk_value(const OPENSSL_STACK *st, int i)\n{\n    if (st == NULL || i < 0 || i >= st->num)\n        return NULL;\n    return st->data[i];\n}']