crypto/x509/x509_vfy.c:1206: error: NULL_DEREFERENCE
  pointer `crl_issuer` last assigned on line 1205 could be null and is dereferenced by call to `X509_get_subject_name()` at line 1206, column 27.
Showing all 52 steps of the trace


crypto/x509/x509_vfy.c:1183:1: start of procedure crl_akid_check()
1181.   }
1182.   
1183. > static void crl_akid_check(X509_STORE_CTX *ctx, X509_CRL *crl,
1184.                              X509 **pissuer, int *pcrl_score)
1185.   {

crypto/x509/x509_vfy.c:1186:5: 
1184.                              X509 **pissuer, int *pcrl_score)
1185.   {
1186. >     X509 *crl_issuer = NULL;
1187.       X509_NAME *cnm = X509_CRL_get_issuer(crl);
1188.       int cidx = ctx->error_depth;

crypto/x509/x509_vfy.c:1187:5: 
1185.   {
1186.       X509 *crl_issuer = NULL;
1187. >     X509_NAME *cnm = X509_CRL_get_issuer(crl);
1188.       int cidx = ctx->error_depth;
1189.       int i;

crypto/x509/x509cset.c:106:1: start of procedure X509_CRL_get_issuer()
  104.   #endif
  105.   
  106. > X509_NAME *X509_CRL_get_issuer(const X509_CRL *crl)
  107.   {
  108.       return crl->crl.issuer;

crypto/x509/x509cset.c:108:5: 
  106.   X509_NAME *X509_CRL_get_issuer(const X509_CRL *crl)
  107.   {
  108. >     return crl->crl.issuer;
  109.   }
  110.   

crypto/x509/x509cset.c:109:1: return from a call to X509_CRL_get_issuer
  107.   {
  108.       return crl->crl.issuer;
  109. > }
  110.   
  111.   const STACK_OF(X509_EXTENSION) *X509_CRL_get0_extensions(const X509_CRL *crl)

crypto/x509/x509_vfy.c:1188:5: 
1186.       X509 *crl_issuer = NULL;
1187.       X509_NAME *cnm = X509_CRL_get_issuer(crl);
1188. >     int cidx = ctx->error_depth;
1189.       int i;
1190.   

crypto/x509/x509_vfy.c:1191:9: 
1189.       int i;
1190.   
1191. >     if (cidx != sk_X509_num(ctx->chain) - 1)
1192.           cidx++;
1193.   

include/openssl/x509.h:99:1: start of procedure sk_X509_num()
  97.   typedef struct x509_cinf_st X509_CINF;
  98.   
  99. > DEFINE_STACK_OF(X509)
  100.   
  101.   /* This is used for a table of trust checking functions */

crypto/stack/stack.c:359:1: start of procedure OPENSSL_sk_num()
    357.   }
    358.   
    359. > int OPENSSL_sk_num(const OPENSSL_STACK *st)
    360.   {
    361.       return st == NULL ? -1 : st->num;

crypto/stack/stack.c:361:12: Condition is true
    359.   int OPENSSL_sk_num(const OPENSSL_STACK *st)
    360.   {
    361.       return st == NULL ? -1 : st->num;
                      ^
    362.   }
    363.   

crypto/stack/stack.c:361:5: 
    359.   int OPENSSL_sk_num(const OPENSSL_STACK *st)
    360.   {
    361. >     return st == NULL ? -1 : st->num;
    362.   }
    363.   

crypto/stack/stack.c:362:1: return from a call to OPENSSL_sk_num
    360.   {
    361.       return st == NULL ? -1 : st->num;
    362. > }
    363.   
    364.   void *OPENSSL_sk_value(const OPENSSL_STACK *st, int i)

include/openssl/x509.h:99:1: return from a call to sk_X509_num
  97.   typedef struct x509_cinf_st X509_CINF;
  98.   
  99. > DEFINE_STACK_OF(X509)
  100.   
  101.   /* This is used for a table of trust checking functions */

crypto/x509/x509_vfy.c:1191:9: Taking true branch
1189.       int i;
1190.   
1191.       if (cidx != sk_X509_num(ctx->chain) - 1)
                ^
1192.           cidx++;
1193.   

crypto/x509/x509_vfy.c:1192:9: 
1190.   
1191.       if (cidx != sk_X509_num(ctx->chain) - 1)
1192. >         cidx++;
1193.   
1194.       crl_issuer = sk_X509_value(ctx->chain, cidx);

crypto/x509/x509_vfy.c:1194:5: 
1192.           cidx++;
1193.   
1194. >     crl_issuer = sk_X509_value(ctx->chain, cidx);
1195.   
1196.       if (X509_check_akid(crl_issuer, crl->akid) == X509_V_OK) {

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

crypto/stack/stack.c:364:1: start of procedure OPENSSL_sk_value()
    362.   }
    363.   
    364. > void *OPENSSL_sk_value(const OPENSSL_STACK *st, int i)
    365.   {
    366.       if (st == NULL || i < 0 || i >= st->num)

crypto/stack/stack.c:366:9: Taking true branch
    364.   void *OPENSSL_sk_value(const OPENSSL_STACK *st, int i)
    365.   {
    366.       if (st == NULL || i < 0 || i >= st->num)
                   ^
    367.           return NULL;
    368.       return (void *)st->data[i];

crypto/stack/stack.c:367:9: 
    365.   {
    366.       if (st == NULL || i < 0 || i >= st->num)
    367. >         return NULL;
    368.       return (void *)st->data[i];
    369.   }

crypto/stack/stack.c:369:1: return from a call to OPENSSL_sk_value
    367.           return NULL;
    368.       return (void *)st->data[i];
    369. > }
    370.   
    371.   void *OPENSSL_sk_set(OPENSSL_STACK *st, int i, const void *data)

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

crypto/x509/x509_vfy.c:1196:9: 
1194.       crl_issuer = sk_X509_value(ctx->chain, cidx);
1195.   
1196. >     if (X509_check_akid(crl_issuer, crl->akid) == X509_V_OK) {
1197.           if (*pcrl_score & CRL_SCORE_ISSUER_NAME) {
1198.               *pcrl_score |= CRL_SCORE_AKID | CRL_SCORE_ISSUER_CERT;

crypto/x509v3/v3_purp.c:780:1: start of procedure X509_check_akid()
  778.   }
  779.   
  780. > int X509_check_akid(X509 *issuer, AUTHORITY_KEYID *akid)
  781.   {
  782.   

crypto/x509v3/v3_purp.c:783:10: Taking false branch
  781.   {
  782.   
  783.       if (!akid)
                  ^
  784.           return X509_V_OK;
  785.   

crypto/x509v3/v3_purp.c:787:9: Taking false branch
  785.   
  786.       /* Check key ids (if present) */
  787.       if (akid->keyid && issuer->skid &&
                 ^
  788.           ASN1_OCTET_STRING_cmp(akid->keyid, issuer->skid))
  789.           return X509_V_ERR_AKID_SKID_MISMATCH;

crypto/x509v3/v3_purp.c:791:9: Taking false branch
  789.           return X509_V_ERR_AKID_SKID_MISMATCH;
  790.       /* Check serial number */
  791.       if (akid->serial &&
                 ^
  792.           ASN1_INTEGER_cmp(X509_get_serialNumber(issuer), akid->serial))
  793.           return X509_V_ERR_AKID_ISSUER_SERIAL_MISMATCH;

crypto/x509v3/v3_purp.c:795:9: Taking false branch
  793.           return X509_V_ERR_AKID_ISSUER_SERIAL_MISMATCH;
  794.       /* Check issuer name */
  795.       if (akid->issuer) {
                 ^
  796.           /*
  797.            * Ugh, for some peculiar reason AKID includes SEQUENCE OF

crypto/x509v3/v3_purp.c:816:5: 
  814.               return X509_V_ERR_AKID_ISSUER_SERIAL_MISMATCH;
  815.       }
  816. >     return X509_V_OK;
  817.   }
  818.   

crypto/x509v3/v3_purp.c:817:1: return from a call to X509_check_akid
  815.       }
  816.       return X509_V_OK;
  817. > }
  818.   
  819.   uint32_t X509_get_extension_flags(X509 *x)

crypto/x509/x509_vfy.c:1196:9: Taking true branch
1194.       crl_issuer = sk_X509_value(ctx->chain, cidx);
1195.   
1196.       if (X509_check_akid(crl_issuer, crl->akid) == X509_V_OK) {
                ^
1197.           if (*pcrl_score & CRL_SCORE_ISSUER_NAME) {
1198.               *pcrl_score |= CRL_SCORE_AKID | CRL_SCORE_ISSUER_CERT;

crypto/x509/x509_vfy.c:1197:13: Taking false branch
1195.   
1196.       if (X509_check_akid(crl_issuer, crl->akid) == X509_V_OK) {
1197.           if (*pcrl_score & CRL_SCORE_ISSUER_NAME) {
                    ^
1198.               *pcrl_score |= CRL_SCORE_AKID | CRL_SCORE_ISSUER_CERT;
1199.               *pissuer = crl_issuer;

crypto/x509/x509_vfy.c:1204:10: 
1202.       }
1203.   
1204. >     for (cidx++; cidx < sk_X509_num(ctx->chain); cidx++) {
1205.           crl_issuer = sk_X509_value(ctx->chain, cidx);
1206.           if (X509_NAME_cmp(X509_get_subject_name(crl_issuer), cnm))

crypto/x509/x509_vfy.c:1204:18: 
1202.       }
1203.   
1204. >     for (cidx++; cidx < sk_X509_num(ctx->chain); cidx++) {
1205.           crl_issuer = sk_X509_value(ctx->chain, cidx);
1206.           if (X509_NAME_cmp(X509_get_subject_name(crl_issuer), cnm))

include/openssl/x509.h:99:1: start of procedure sk_X509_num()
  97.   typedef struct x509_cinf_st X509_CINF;
  98.   
  99. > DEFINE_STACK_OF(X509)
  100.   
  101.   /* This is used for a table of trust checking functions */

crypto/stack/stack.c:359:1: start of procedure OPENSSL_sk_num()
    357.   }
    358.   
    359. > int OPENSSL_sk_num(const OPENSSL_STACK *st)
    360.   {
    361.       return st == NULL ? -1 : st->num;

crypto/stack/stack.c:361:12: Condition is true
    359.   int OPENSSL_sk_num(const OPENSSL_STACK *st)
    360.   {
    361.       return st == NULL ? -1 : st->num;
                      ^
    362.   }
    363.   

crypto/stack/stack.c:361:5: 
    359.   int OPENSSL_sk_num(const OPENSSL_STACK *st)
    360.   {
    361. >     return st == NULL ? -1 : st->num;
    362.   }
    363.   

crypto/stack/stack.c:362:1: return from a call to OPENSSL_sk_num
    360.   {
    361.       return st == NULL ? -1 : st->num;
    362. > }
    363.   
    364.   void *OPENSSL_sk_value(const OPENSSL_STACK *st, int i)

include/openssl/x509.h:99:1: return from a call to sk_X509_num
  97.   typedef struct x509_cinf_st X509_CINF;
  98.   
  99. > DEFINE_STACK_OF(X509)
  100.   
  101.   /* This is used for a table of trust checking functions */

crypto/x509/x509_vfy.c:1204:18: Loop condition is true. Entering loop body
1202.       }
1203.   
1204.       for (cidx++; cidx < sk_X509_num(ctx->chain); cidx++) {
                         ^
1205.           crl_issuer = sk_X509_value(ctx->chain, cidx);
1206.           if (X509_NAME_cmp(X509_get_subject_name(crl_issuer), cnm))

crypto/x509/x509_vfy.c:1205:9: 
1203.   
1204.       for (cidx++; cidx < sk_X509_num(ctx->chain); cidx++) {
1205. >         crl_issuer = sk_X509_value(ctx->chain, cidx);
1206.           if (X509_NAME_cmp(X509_get_subject_name(crl_issuer), cnm))
1207.               continue;

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

crypto/stack/stack.c:364:1: start of procedure OPENSSL_sk_value()
    362.   }
    363.   
    364. > void *OPENSSL_sk_value(const OPENSSL_STACK *st, int i)
    365.   {
    366.       if (st == NULL || i < 0 || i >= st->num)

crypto/stack/stack.c:366:9: Taking true branch
    364.   void *OPENSSL_sk_value(const OPENSSL_STACK *st, int i)
    365.   {
    366.       if (st == NULL || i < 0 || i >= st->num)
                   ^
    367.           return NULL;
    368.       return (void *)st->data[i];

crypto/stack/stack.c:367:9: 
    365.   {
    366.       if (st == NULL || i < 0 || i >= st->num)
    367. >         return NULL;
    368.       return (void *)st->data[i];
    369.   }

crypto/stack/stack.c:369:1: return from a call to OPENSSL_sk_value
    367.           return NULL;
    368.       return (void *)st->data[i];
    369. > }
    370.   
    371.   void *OPENSSL_sk_set(OPENSSL_STACK *st, int i, const void *data)

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

crypto/x509/x509_vfy.c:1206:13: 
1204.       for (cidx++; cidx < sk_X509_num(ctx->chain); cidx++) {
1205.           crl_issuer = sk_X509_value(ctx->chain, cidx);
1206. >         if (X509_NAME_cmp(X509_get_subject_name(crl_issuer), cnm))
1207.               continue;
1208.           if (X509_check_akid(crl_issuer, crl->akid) == X509_V_OK) {

crypto/x509/x509_cmp.c:99:1: start of procedure X509_get_subject_name()
  97.   #endif
  98.   
  99. > X509_NAME *X509_get_subject_name(const X509 *a)
  100.   {
  101.       return (a->cert_info.subject);

crypto/x509/x509_cmp.c:101:5: 
  99.   X509_NAME *X509_get_subject_name(const X509 *a)
  100.   {
  101. >     return (a->cert_info.subject);
  102.   }
  103.   
