crypto/x509/x509_lu.c:440: error: NULL_DEREFERENCE
  pointer `&tobj` last assigned on line 439 could be null and is dereferenced by call to `x509_object_cmp()` at line 440, column 17.
Showing all 47 steps of the trace


crypto/x509/x509_lu.c:409:1: start of procedure x509_object_idx_cnt()
407.   }
408.   
409. > static int x509_object_idx_cnt(STACK_OF(X509_OBJECT) *h, X509_LOOKUP_TYPE type,
410.                                  X509_NAME *name, int *pnmatch)
411.   {

crypto/x509/x509_lu.c:417:5: 
415.       int idx;
416.   
417. >     stmp.type = type;
418.       switch (type) {
419.       case X509_LU_X509:

crypto/x509/x509_lu.c:418:5: 
416.   
417.       stmp.type = type;
418. >     switch (type) {
419.       case X509_LU_X509:
420.           stmp.data.x509 = &x509_s;

crypto/x509/x509_lu.c:419:5: Switch condition is false. Skipping switch case
417.       stmp.type = type;
418.       switch (type) {
419.       case X509_LU_X509:
           ^
420.           stmp.data.x509 = &x509_s;
421.           x509_s.cert_info.subject = name;

crypto/x509/x509_lu.c:423:5: Switch condition is false. Skipping switch case
421.           x509_s.cert_info.subject = name;
422.           break;
423.       case X509_LU_CRL:
           ^
424.           stmp.data.crl = &crl_s;
425.           crl_s.crl.issuer = name;

crypto/x509/x509_lu.c:427:5: Switch condition is false. Skipping switch case
425.           crl_s.crl.issuer = name;
426.           break;
427.       case X509_LU_NONE:
           ^
428.           /* abort(); */
429.           return -1;

crypto/x509/x509_lu.c:432:5: 
430.       }
431.   
432. >     idx = sk_X509_OBJECT_find(h, &stmp);
433.       if (idx >= 0 && pnmatch) {
434.           int tidx;

include/openssl/x509_vfy.h:58:1: start of procedure sk_X509_OBJECT_find()
  56.   
  57.   DEFINE_STACK_OF(X509_LOOKUP)
  58. > DEFINE_STACK_OF(X509_OBJECT)
  59.   DEFINE_STACK_OF(X509_VERIFY_PARAM)
  60.   

crypto/stack/stack.c:209:1: start of procedure OPENSSL_sk_find()
    207.   }
    208.   
    209. > int OPENSSL_sk_find(OPENSSL_STACK *st, const void *data)
    210.   {
    211.       return internal_find(st, data, OBJ_BSEARCH_FIRST_VALUE_ON_MATCH);

crypto/stack/stack.c:211:5: 
    209.   int OPENSSL_sk_find(OPENSSL_STACK *st, const void *data)
    210.   {
    211. >     return internal_find(st, data, OBJ_BSEARCH_FIRST_VALUE_ON_MATCH);
    212.   }
    213.   

crypto/stack/stack.c:184:1: start of procedure internal_find()
      182.   }
      183.   
      184. > static int internal_find(OPENSSL_STACK *st, const void *data,
      185.                            int ret_val_options)
      186.   {

crypto/stack/stack.c:190:9: Taking false branch
      188.       int i;
      189.   
      190.       if (st == NULL)
                     ^
      191.           return -1;
      192.   

crypto/stack/stack.c:193:9: Taking true branch
      191.           return -1;
      192.   
      193.       if (st->comp == NULL) {
                     ^
      194.           for (i = 0; i < st->num; i++)
      195.               if (st->data[i] == data)

crypto/stack/stack.c:194:14: 
      192.   
      193.       if (st->comp == NULL) {
      194. >         for (i = 0; i < st->num; i++)
      195.               if (st->data[i] == data)
      196.                   return (i);

crypto/stack/stack.c:194:21: Loop condition is true. Entering loop body
      192.   
      193.       if (st->comp == NULL) {
      194.           for (i = 0; i < st->num; i++)
                                 ^
      195.               if (st->data[i] == data)
      196.                   return (i);

crypto/stack/stack.c:195:17: Taking false branch
      193.       if (st->comp == NULL) {
      194.           for (i = 0; i < st->num; i++)
      195.               if (st->data[i] == data)
                             ^
      196.                   return (i);
      197.           return (-1);

crypto/stack/stack.c:194:34: 
      192.   
      193.       if (st->comp == NULL) {
      194. >         for (i = 0; i < st->num; i++)
      195.               if (st->data[i] == data)
      196.                   return (i);

crypto/stack/stack.c:194:21: Loop condition is true. Entering loop body
      192.   
      193.       if (st->comp == NULL) {
      194.           for (i = 0; i < st->num; i++)
                                 ^
      195.               if (st->data[i] == data)
      196.                   return (i);

crypto/stack/stack.c:195:17: Taking true branch
      193.       if (st->comp == NULL) {
      194.           for (i = 0; i < st->num; i++)
      195.               if (st->data[i] == data)
                             ^
      196.                   return (i);
      197.           return (-1);

crypto/stack/stack.c:196:17: 
      194.           for (i = 0; i < st->num; i++)
      195.               if (st->data[i] == data)
      196. >                 return (i);
      197.           return (-1);
      198.       }

crypto/stack/stack.c:207:1: return from a call to internal_find
      205.           return (-1);
      206.       return (int)((const char **)r - st->data);
      207. > }
      208.   
      209.   int OPENSSL_sk_find(OPENSSL_STACK *st, const void *data)

crypto/stack/stack.c:212:1: return from a call to OPENSSL_sk_find
    210.   {
    211.       return internal_find(st, data, OBJ_BSEARCH_FIRST_VALUE_ON_MATCH);
    212. > }
    213.   
    214.   int OPENSSL_sk_find_ex(OPENSSL_STACK *st, const void *data)

include/openssl/x509_vfy.h:58:1: return from a call to sk_X509_OBJECT_find
  56.   
  57.   DEFINE_STACK_OF(X509_LOOKUP)
  58. > DEFINE_STACK_OF(X509_OBJECT)
  59.   DEFINE_STACK_OF(X509_VERIFY_PARAM)
  60.   

crypto/x509/x509_lu.c:433:9: Taking true branch
431.   
432.       idx = sk_X509_OBJECT_find(h, &stmp);
433.       if (idx >= 0 && pnmatch) {
               ^
434.           int tidx;
435.           const X509_OBJECT *tobj, *pstmp;

crypto/x509/x509_lu.c:433:21: Taking true branch
431.   
432.       idx = sk_X509_OBJECT_find(h, &stmp);
433.       if (idx >= 0 && pnmatch) {
                           ^
434.           int tidx;
435.           const X509_OBJECT *tobj, *pstmp;

crypto/x509/x509_lu.c:436:9: 
434.           int tidx;
435.           const X509_OBJECT *tobj, *pstmp;
436. >         *pnmatch = 1;
437.           pstmp = &stmp;
438.           for (tidx = idx + 1; tidx < sk_X509_OBJECT_num(h); tidx++) {

crypto/x509/x509_lu.c:437:9: 
435.           const X509_OBJECT *tobj, *pstmp;
436.           *pnmatch = 1;
437. >         pstmp = &stmp;
438.           for (tidx = idx + 1; tidx < sk_X509_OBJECT_num(h); tidx++) {
439.               tobj = sk_X509_OBJECT_value(h, tidx);

crypto/x509/x509_lu.c:438:14: 
436.           *pnmatch = 1;
437.           pstmp = &stmp;
438. >         for (tidx = idx + 1; tidx < sk_X509_OBJECT_num(h); tidx++) {
439.               tobj = sk_X509_OBJECT_value(h, tidx);
440.               if (x509_object_cmp(&tobj, &pstmp))

crypto/x509/x509_lu.c:438:30: 
436.           *pnmatch = 1;
437.           pstmp = &stmp;
438. >         for (tidx = idx + 1; tidx < sk_X509_OBJECT_num(h); tidx++) {
439.               tobj = sk_X509_OBJECT_value(h, tidx);
440.               if (x509_object_cmp(&tobj, &pstmp))

include/openssl/x509_vfy.h:58:1: start of procedure sk_X509_OBJECT_num()
  56.   
  57.   DEFINE_STACK_OF(X509_LOOKUP)
  58. > DEFINE_STACK_OF(X509_OBJECT)
  59.   DEFINE_STACK_OF(X509_VERIFY_PARAM)
  60.   

crypto/stack/stack.c:277:1: start of procedure OPENSSL_sk_num()
    275.   }
    276.   
    277. > int OPENSSL_sk_num(const OPENSSL_STACK *st)
    278.   {
    279.       if (st == NULL)

crypto/stack/stack.c:279:9: Taking false branch
    277.   int OPENSSL_sk_num(const OPENSSL_STACK *st)
    278.   {
    279.       if (st == NULL)
                   ^
    280.           return -1;
    281.       return st->num;

crypto/stack/stack.c:281:5: 
    279.       if (st == NULL)
    280.           return -1;
    281. >     return st->num;
    282.   }
    283.   

crypto/stack/stack.c:282:1: return from a call to OPENSSL_sk_num
    280.           return -1;
    281.       return st->num;
    282. > }
    283.   
    284.   void *OPENSSL_sk_value(const OPENSSL_STACK *st, int i)

include/openssl/x509_vfy.h:58:1: return from a call to sk_X509_OBJECT_num
  56.   
  57.   DEFINE_STACK_OF(X509_LOOKUP)
  58. > DEFINE_STACK_OF(X509_OBJECT)
  59.   DEFINE_STACK_OF(X509_VERIFY_PARAM)
  60.   

crypto/x509/x509_lu.c:438:30: Loop condition is true. Entering loop body
436.           *pnmatch = 1;
437.           pstmp = &stmp;
438.           for (tidx = idx + 1; tidx < sk_X509_OBJECT_num(h); tidx++) {
                                    ^
439.               tobj = sk_X509_OBJECT_value(h, tidx);
440.               if (x509_object_cmp(&tobj, &pstmp))

crypto/x509/x509_lu.c:439:13: 
437.           pstmp = &stmp;
438.           for (tidx = idx + 1; tidx < sk_X509_OBJECT_num(h); tidx++) {
439. >             tobj = sk_X509_OBJECT_value(h, tidx);
440.               if (x509_object_cmp(&tobj, &pstmp))
441.                   break;

include/openssl/x509_vfy.h:58:1: start of procedure sk_X509_OBJECT_value()
  56.   
  57.   DEFINE_STACK_OF(X509_LOOKUP)
  58. > DEFINE_STACK_OF(X509_OBJECT)
  59.   DEFINE_STACK_OF(X509_VERIFY_PARAM)
  60.   

crypto/stack/stack.c:284:1: start of procedure OPENSSL_sk_value()
    282.   }
    283.   
    284. > void *OPENSSL_sk_value(const OPENSSL_STACK *st, int i)
    285.   {
    286.       if (st == NULL || i < 0 || i >= st->num)

crypto/stack/stack.c:286:9: Taking false branch
    284.   void *OPENSSL_sk_value(const OPENSSL_STACK *st, int i)
    285.   {
    286.       if (st == NULL || i < 0 || i >= st->num)
                   ^
    287.           return NULL;
    288.       return (void *)st->data[i];

crypto/stack/stack.c:286:23: Taking true branch
    284.   void *OPENSSL_sk_value(const OPENSSL_STACK *st, int i)
    285.   {
    286.       if (st == NULL || i < 0 || i >= st->num)
                                 ^
    287.           return NULL;
    288.       return (void *)st->data[i];

crypto/stack/stack.c:287:9: 
    285.   {
    286.       if (st == NULL || i < 0 || i >= st->num)
    287. >         return NULL;
    288.       return (void *)st->data[i];
    289.   }

crypto/stack/stack.c:289:1: return from a call to OPENSSL_sk_value
    287.           return NULL;
    288.       return (void *)st->data[i];
    289. > }
    290.   
    291.   void *OPENSSL_sk_set(OPENSSL_STACK *st, int i, const void *data)

include/openssl/x509_vfy.h:58:1: return from a call to sk_X509_OBJECT_value
  56.   
  57.   DEFINE_STACK_OF(X509_LOOKUP)
  58. > DEFINE_STACK_OF(X509_OBJECT)
  59.   DEFINE_STACK_OF(X509_VERIFY_PARAM)
  60.   

crypto/x509/x509_lu.c:440:17: 
438.           for (tidx = idx + 1; tidx < sk_X509_OBJECT_num(h); tidx++) {
439.               tobj = sk_X509_OBJECT_value(h, tidx);
440. >             if (x509_object_cmp(&tobj, &pstmp))
441.                   break;
442.               (*pnmatch)++;

crypto/x509/x509_lu.c:120:1: start of procedure x509_object_cmp()
  118.   }
  119.   
  120. > static int x509_object_cmp(const X509_OBJECT *const *a,
  121.                              const X509_OBJECT *const *b)
  122.   {

crypto/x509/x509_lu.c:125:5: 
  123.       int ret;
  124.   
  125. >     ret = ((*a)->type - (*b)->type);
  126.       if (ret)
  127.           return ret;
