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:270:1: start of procedure OPENSSL_sk_find()
    268.   }
    269.   
    270. > int OPENSSL_sk_find(OPENSSL_STACK *st, const void *data)
    271.   {
    272.       return internal_find(st, data, OBJ_BSEARCH_FIRST_VALUE_ON_MATCH);

crypto/stack/stack.c:272:5: 
    270.   int OPENSSL_sk_find(OPENSSL_STACK *st, const void *data)
    271.   {
    272. >     return internal_find(st, data, OBJ_BSEARCH_FIRST_VALUE_ON_MATCH);
    273.   }
    274.   

crypto/stack/stack.c:245:1: start of procedure internal_find()
      243.   }
      244.   
      245. > static int internal_find(OPENSSL_STACK *st, const void *data,
      246.                            int ret_val_options)
      247.   {

crypto/stack/stack.c:251:9: Taking false branch
      249.       int i;
      250.   
      251.       if (st == NULL)
                     ^
      252.           return -1;
      253.   

crypto/stack/stack.c:254:9: Taking true branch
      252.           return -1;
      253.   
      254.       if (st->comp == NULL) {
                     ^
      255.           for (i = 0; i < st->num; i++)
      256.               if (st->data[i] == data)

crypto/stack/stack.c:255:14: 
      253.   
      254.       if (st->comp == NULL) {
      255. >         for (i = 0; i < st->num; i++)
      256.               if (st->data[i] == data)
      257.                   return (i);

crypto/stack/stack.c:255:21: Loop condition is true. Entering loop body
      253.   
      254.       if (st->comp == NULL) {
      255.           for (i = 0; i < st->num; i++)
                                 ^
      256.               if (st->data[i] == data)
      257.                   return (i);

crypto/stack/stack.c:256:17: Taking false branch
      254.       if (st->comp == NULL) {
      255.           for (i = 0; i < st->num; i++)
      256.               if (st->data[i] == data)
                             ^
      257.                   return (i);
      258.           return (-1);

crypto/stack/stack.c:255:34: 
      253.   
      254.       if (st->comp == NULL) {
      255. >         for (i = 0; i < st->num; i++)
      256.               if (st->data[i] == data)
      257.                   return (i);

crypto/stack/stack.c:255:21: Loop condition is true. Entering loop body
      253.   
      254.       if (st->comp == NULL) {
      255.           for (i = 0; i < st->num; i++)
                                 ^
      256.               if (st->data[i] == data)
      257.                   return (i);

crypto/stack/stack.c:256:17: Taking true branch
      254.       if (st->comp == NULL) {
      255.           for (i = 0; i < st->num; i++)
      256.               if (st->data[i] == data)
                             ^
      257.                   return (i);
      258.           return (-1);

crypto/stack/stack.c:257:17: 
      255.           for (i = 0; i < st->num; i++)
      256.               if (st->data[i] == data)
      257. >                 return (i);
      258.           return (-1);
      259.       }

crypto/stack/stack.c:268:1: return from a call to internal_find
      266.           return (-1);
      267.       return (int)((const void **)r - st->data);
      268. > }
      269.   
      270.   int OPENSSL_sk_find(OPENSSL_STACK *st, const void *data)

crypto/stack/stack.c:273:1: return from a call to OPENSSL_sk_find
    271.   {
    272.       return internal_find(st, data, OBJ_BSEARCH_FIRST_VALUE_ON_MATCH);
    273. > }
    274.   
    275.   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:338:1: start of procedure OPENSSL_sk_num()
    336.   }
    337.   
    338. > int OPENSSL_sk_num(const OPENSSL_STACK *st)
    339.   {
    340.       if (st == NULL)

crypto/stack/stack.c:340:9: Taking false branch
    338.   int OPENSSL_sk_num(const OPENSSL_STACK *st)
    339.   {
    340.       if (st == NULL)
                   ^
    341.           return -1;
    342.       return st->num;

crypto/stack/stack.c:342:5: 
    340.       if (st == NULL)
    341.           return -1;
    342. >     return st->num;
    343.   }
    344.   

crypto/stack/stack.c:343:1: return from a call to OPENSSL_sk_num
    341.           return -1;
    342.       return st->num;
    343. > }
    344.   
    345.   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:345:1: start of procedure OPENSSL_sk_value()
    343.   }
    344.   
    345. > void *OPENSSL_sk_value(const OPENSSL_STACK *st, int i)
    346.   {
    347.       if (st == NULL || i < 0 || i >= st->num)

crypto/stack/stack.c:347:9: Taking false branch
    345.   void *OPENSSL_sk_value(const OPENSSL_STACK *st, int i)
    346.   {
    347.       if (st == NULL || i < 0 || i >= st->num)
                   ^
    348.           return NULL;
    349.       return (void *)st->data[i];

crypto/stack/stack.c:347:23: Taking true branch
    345.   void *OPENSSL_sk_value(const OPENSSL_STACK *st, int i)
    346.   {
    347.       if (st == NULL || i < 0 || i >= st->num)
                                 ^
    348.           return NULL;
    349.       return (void *)st->data[i];

crypto/stack/stack.c:348:9: 
    346.   {
    347.       if (st == NULL || i < 0 || i >= st->num)
    348. >         return NULL;
    349.       return (void *)st->data[i];
    350.   }

crypto/stack/stack.c:350:1: return from a call to OPENSSL_sk_value
    348.           return NULL;
    349.       return (void *)st->data[i];
    350. > }
    351.   
    352.   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;

static int x509_object_idx_cnt(STACK_OF(X509_OBJECT) *h, X509_LOOKUP_TYPE type,
                               X509_NAME *name, int *pnmatch)
{
    X509_OBJECT stmp;
    X509 x509_s;
    X509_CRL crl_s;
    int idx;
    stmp.type = type;
    switch (type) {
    case X509_LU_X509:
        stmp.data.x509 = &x509_s;
        x509_s.cert_info.subject = name;
        break;
    case X509_LU_CRL:
        stmp.data.crl = &crl_s;
        crl_s.crl.issuer = name;
        break;
    case X509_LU_NONE:
        return -1;
    }
    idx = sk_X509_OBJECT_find(h, &stmp);
    if (idx >= 0 && pnmatch) {
        int tidx;
        const X509_OBJECT *tobj, *pstmp;
        *pnmatch = 1;
        pstmp = &stmp;
        for (tidx = idx + 1; tidx < sk_X509_OBJECT_num(h); tidx++) {
            tobj = sk_X509_OBJECT_value(h, tidx);
            if (x509_object_cmp(&tobj, &pstmp))
                break;
            (*pnmatch)++;
        }
    }
    return idx;
}
['static int x509_object_idx_cnt(STACK_OF(X509_OBJECT) *h, X509_LOOKUP_TYPE type,\n                               X509_NAME *name, int *pnmatch)\n{\n    X509_OBJECT stmp;\n    X509 x509_s;\n    X509_CRL crl_s;\n    int idx;\n    stmp.type = type;\n    switch (type) {\n    case X509_LU_X509:\n        stmp.data.x509 = &x509_s;\n        x509_s.cert_info.subject = name;\n        break;\n    case X509_LU_CRL:\n        stmp.data.crl = &crl_s;\n        crl_s.crl.issuer = name;\n        break;\n    case X509_LU_NONE:\n        return -1;\n    }\n    idx = sk_X509_OBJECT_find(h, &stmp);\n    if (idx >= 0 && pnmatch) {\n        int tidx;\n        const X509_OBJECT *tobj, *pstmp;\n        *pnmatch = 1;\n        pstmp = &stmp;\n        for (tidx = idx + 1; tidx < sk_X509_OBJECT_num(h); tidx++) {\n            tobj = sk_X509_OBJECT_value(h, tidx);\n            if (x509_object_cmp(&tobj, &pstmp))\n                break;\n            (*pnmatch)++;\n        }\n    }\n    return idx;\n}', 'int OPENSSL_sk_find(OPENSSL_STACK *st, const void *data)\n{\n    return internal_find(st, data, OBJ_BSEARCH_FIRST_VALUE_ON_MATCH);\n}', 'static int internal_find(OPENSSL_STACK *st, const void *data,\n                         int ret_val_options)\n{\n    const void *r;\n    int i;\n    if (st == NULL)\n        return -1;\n    if (st->comp == NULL) {\n        for (i = 0; i < st->num; i++)\n            if (st->data[i] == data)\n                return (i);\n        return (-1);\n    }\n    OPENSSL_sk_sort(st);\n    if (data == NULL)\n        return (-1);\n    r = OBJ_bsearch_ex_(&data, st->data, st->num, sizeof(void *), st->comp,\n                        ret_val_options);\n    if (r == NULL)\n        return (-1);\n    return (int)((const void **)r - st->data);\n}', 'int OPENSSL_sk_num(const OPENSSL_STACK *st)\n{\n    if (st == NULL)\n        return -1;\n    return st->num;\n}', '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 (void *)st->data[i];\n}', 'static int x509_object_cmp(const X509_OBJECT *const *a,\n                           const X509_OBJECT *const *b)\n{\n    int ret;\n    ret = ((*a)->type - (*b)->type);\n    if (ret)\n        return ret;\n    switch ((*a)->type) {\n    case X509_LU_X509:\n        ret = X509_subject_name_cmp((*a)->data.x509, (*b)->data.x509);\n        break;\n    case X509_LU_CRL:\n        ret = X509_CRL_cmp((*a)->data.crl, (*b)->data.crl);\n        break;\n    case X509_LU_NONE:\n        return 0;\n    }\n    return ret;\n}']