apps/ca.c:3232: error: NULL_DEREFERENCE
  pointer `tmp` last assigned on line 3230 could be null and is dereferenced by call to `strchr()` at line 3232, column 6.
Showing all 48 steps of the trace


apps/ca.c:3222:1: start of procedure unpack_revinfo()
3220.   	}
3221.   
3222. > int unpack_revinfo(ASN1_TIME **prevtm, int *preason, ASN1_OBJECT **phold, ASN1_GENERALIZEDTIME **pinvtm, char *str)
3223.   	{
3224.   	char *tmp = NULL;

apps/ca.c:3224:2: 
3222.   int unpack_revinfo(ASN1_TIME **prevtm, int *preason, ASN1_OBJECT **phold, ASN1_GENERALIZEDTIME **pinvtm, char *str)
3223.   	{
3224. > 	char *tmp = NULL;
3225.   	char *rtime_str, *reason_str = NULL, *arg_str = NULL, *p;
3226.   	int reason_code = -1;

apps/ca.c:3225:2: 
3223.   	{
3224.   	char *tmp = NULL;
3225. > 	char *rtime_str, *reason_str = NULL, *arg_str = NULL, *p;
3226.   	int reason_code = -1;
3227.   	int i, ret = 0;

apps/ca.c:3226:2: 
3224.   	char *tmp = NULL;
3225.   	char *rtime_str, *reason_str = NULL, *arg_str = NULL, *p;
3226. > 	int reason_code = -1;
3227.   	int i, ret = 0;
3228.   	ASN1_OBJECT *hold = NULL;

apps/ca.c:3227:2: 
3225.   	char *rtime_str, *reason_str = NULL, *arg_str = NULL, *p;
3226.   	int reason_code = -1;
3227. > 	int i, ret = 0;
3228.   	ASN1_OBJECT *hold = NULL;
3229.   	ASN1_GENERALIZEDTIME *comp_time = NULL;

apps/ca.c:3228:2: 
3226.   	int reason_code = -1;
3227.   	int i, ret = 0;
3228. > 	ASN1_OBJECT *hold = NULL;
3229.   	ASN1_GENERALIZEDTIME *comp_time = NULL;
3230.   	tmp = BUF_strdup(str);

apps/ca.c:3229:2: 
3227.   	int i, ret = 0;
3228.   	ASN1_OBJECT *hold = NULL;
3229. > 	ASN1_GENERALIZEDTIME *comp_time = NULL;
3230.   	tmp = BUF_strdup(str);
3231.   

apps/ca.c:3230:2: 
3228.   	ASN1_OBJECT *hold = NULL;
3229.   	ASN1_GENERALIZEDTIME *comp_time = NULL;
3230. > 	tmp = BUF_strdup(str);
3231.   
3232.   	p = strchr(tmp, ',');

crypto/buffer/buffer.c:165:1: start of procedure BUF_strdup()
  163.   	}
  164.   
  165. > char *BUF_strdup(const char *str)
  166.   	{
  167.   	char *ret;

crypto/buffer/buffer.c:170:6: Taking false branch
  168.   	int n;
  169.   
  170.   	if (str == NULL) return(NULL);
              ^
  171.   
  172.   	n=strlen(str);

crypto/buffer/buffer.c:172:2: 
  170.   	if (str == NULL) return(NULL);
  171.   
  172. > 	n=strlen(str);
  173.   	ret=OPENSSL_malloc(n+1);
  174.   	if (ret == NULL) 

crypto/buffer/buffer.c:173:2: 
  171.   
  172.   	n=strlen(str);
  173. > 	ret=OPENSSL_malloc(n+1);
  174.   	if (ret == NULL) 
  175.   		{

crypto/mem.c:289:1: start of procedure CRYPTO_malloc()
    287.   	}
    288.   
    289. > void *CRYPTO_malloc(int num, const char *file, int line)
    290.   	{
    291.   	void *ret = NULL;

crypto/mem.c:291:2: 
    289.   void *CRYPTO_malloc(int num, const char *file, int line)
    290.   	{
    291. > 	void *ret = NULL;
    292.   	extern unsigned char cleanse_ctr;
    293.   

crypto/mem.c:294:2: 
    292.   	extern unsigned char cleanse_ctr;
    293.   
    294. > 	allow_customize = 0;
    295.   	if (malloc_debug_func != NULL)
    296.   		{

crypto/mem.c:295:6: Taking true branch
    293.   
    294.   	allow_customize = 0;
    295.   	if (malloc_debug_func != NULL)
                ^
    296.   		{
    297.   		allow_customize_debug = 0;

crypto/mem.c:297:3: 
    295.   	if (malloc_debug_func != NULL)
    296.   		{
    297. > 		allow_customize_debug = 0;
    298.   		malloc_debug_func(NULL, num, file, line, 0);
    299.   		}

crypto/mem.c:298:3: Skipping __function_pointer__(): unresolved function pointer
    296.   		{
    297.   		allow_customize_debug = 0;
    298.   		malloc_debug_func(NULL, num, file, line, 0);
             ^
    299.   		}
    300.   	ret = malloc_ex_func(num,file,line);

crypto/mem.c:300:2: Skipping __function_pointer__(): unresolved function pointer
    298.   		malloc_debug_func(NULL, num, file, line, 0);
    299.   		}
    300.   	ret = malloc_ex_func(num,file,line);
            ^
    301.   #ifdef LEVITTE_DEBUG_MEM
    302.   	fprintf(stderr, "LEVITTE_DEBUG_MEM:         > 0x%p (%d)\n", ret, num);

crypto/mem.c:304:6: Taking true branch
    302.   	fprintf(stderr, "LEVITTE_DEBUG_MEM:         > 0x%p (%d)\n", ret, num);
    303.   #endif
    304.   	if (malloc_debug_func != NULL)
                ^
    305.   		malloc_debug_func(ret, num, file, line, 1);
    306.   

crypto/mem.c:305:3: Skipping __function_pointer__(): unresolved function pointer
    303.   #endif
    304.   	if (malloc_debug_func != NULL)
    305.   		malloc_debug_func(ret, num, file, line, 1);
             ^
    306.   
    307.           /* Create a dependency on the value of 'cleanse_ctr' so our memory

crypto/mem.c:310:12: Taking false branch
    308.            * sanitisation function can't be optimised out. NB: We only do
    309.            * this for >2Kb so the overhead doesn't bother us. */
    310.           if(ret && (num > 2048))
                      ^
    311.                   ((unsigned char *)ret)[0] = cleanse_ctr;
    312.   

crypto/mem.c:313:2: 
    311.                   ((unsigned char *)ret)[0] = cleanse_ctr;
    312.   
    313. > 	return ret;
    314.   	}
    315.   

crypto/mem.c:314:2: return from a call to CRYPTO_malloc
    312.   
    313.   	return ret;
    314.   	}
            ^
    315.   
    316.   void *CRYPTO_realloc(void *str, int num, const char *file, int line)

crypto/buffer/buffer.c:174:6: Taking true branch
  172.   	n=strlen(str);
  173.   	ret=OPENSSL_malloc(n+1);
  174.   	if (ret == NULL) 
              ^
  175.   		{
  176.   		BUFerr(BUF_F_BUF_STRDUP,ERR_R_MALLOC_FAILURE);

crypto/buffer/buffer.c:176:3: 
  174.   	if (ret == NULL) 
  175.   		{
  176. > 		BUFerr(BUF_F_BUF_STRDUP,ERR_R_MALLOC_FAILURE);
  177.   		return(NULL);
  178.   		}

crypto/err/err.c:617:1: start of procedure ERR_put_error()
    615.   /********************************************************/
    616.   
    617. > void ERR_put_error(int lib, int func, int reason, const char *file,
    618.   	     int line)
    619.   	{

crypto/err/err.c:641:2: Skipping ERR_get_state(): empty list of specs
    639.   	}
    640.   #endif
    641.   	es=ERR_get_state();
            ^
    642.   
    643.   	es->top=(es->top+1)%ERR_NUM_ERRORS;

crypto/err/err.c:643:2: 
    641.   	es=ERR_get_state();
    642.   
    643. > 	es->top=(es->top+1)%ERR_NUM_ERRORS;
    644.   	if (es->top == es->bottom)
    645.   		es->bottom=(es->bottom+1)%ERR_NUM_ERRORS;

crypto/err/err.c:644:6: Taking false branch
    642.   
    643.   	es->top=(es->top+1)%ERR_NUM_ERRORS;
    644.   	if (es->top == es->bottom)
                ^
    645.   		es->bottom=(es->bottom+1)%ERR_NUM_ERRORS;
    646.   	es->err_buffer[es->top]=ERR_PACK(lib,func,reason);

crypto/err/err.c:646:2: 
    644.   	if (es->top == es->bottom)
    645.   		es->bottom=(es->bottom+1)%ERR_NUM_ERRORS;
    646. > 	es->err_buffer[es->top]=ERR_PACK(lib,func,reason);
    647.   	es->err_file[es->top]=file;
    648.   	es->err_line[es->top]=line;

crypto/err/err.c:647:2: 
    645.   		es->bottom=(es->bottom+1)%ERR_NUM_ERRORS;
    646.   	es->err_buffer[es->top]=ERR_PACK(lib,func,reason);
    647. > 	es->err_file[es->top]=file;
    648.   	es->err_line[es->top]=line;
    649.   	err_clear_data(es,es->top);

crypto/err/err.c:648:2: 
    646.   	es->err_buffer[es->top]=ERR_PACK(lib,func,reason);
    647.   	es->err_file[es->top]=file;
    648. > 	es->err_line[es->top]=line;
    649.   	err_clear_data(es,es->top);
    650.   	}

crypto/err/err.c:649:2: Taking true branch
    647.   	es->err_file[es->top]=file;
    648.   	es->err_line[es->top]=line;
    649.   	err_clear_data(es,es->top);
            ^
    650.   	}
    651.   

crypto/err/err.c:649:2: Taking true branch
    647.   	es->err_file[es->top]=file;
    648.   	es->err_line[es->top]=line;
    649.   	err_clear_data(es,es->top);
            ^
    650.   	}
    651.   

crypto/mem.c:357:1: start of procedure CRYPTO_free()
      355.   	}
      356.   
      357. > void CRYPTO_free(void *str)
      358.   	{
      359.   	if (free_debug_func != NULL)

crypto/mem.c:359:6: Taking true branch
      357.   void CRYPTO_free(void *str)
      358.   	{
      359.   	if (free_debug_func != NULL)
                  ^
      360.   		free_debug_func(str, 0);
      361.   #ifdef LEVITTE_DEBUG_MEM

crypto/mem.c:360:3: Skipping __function_pointer__(): unresolved function pointer
      358.   	{
      359.   	if (free_debug_func != NULL)
      360.   		free_debug_func(str, 0);
               ^
      361.   #ifdef LEVITTE_DEBUG_MEM
      362.   	fprintf(stderr, "LEVITTE_DEBUG_MEM:         < 0x%p\n", str);

crypto/mem.c:364:2: Skipping __function_pointer__(): unresolved function pointer
      362.   	fprintf(stderr, "LEVITTE_DEBUG_MEM:         < 0x%p\n", str);
      363.   #endif
      364.   	free_func(str);
              ^
      365.   	if (free_debug_func != NULL)
      366.   		free_debug_func(NULL, 1);

crypto/mem.c:365:6: Taking true branch
      363.   #endif
      364.   	free_func(str);
      365.   	if (free_debug_func != NULL)
                  ^
      366.   		free_debug_func(NULL, 1);
      367.   	}

crypto/mem.c:366:3: Skipping __function_pointer__(): unresolved function pointer
      364.   	free_func(str);
      365.   	if (free_debug_func != NULL)
      366.   		free_debug_func(NULL, 1);
               ^
      367.   	}
      368.   

crypto/mem.c:365:2: 
      363.   #endif
      364.   	free_func(str);
      365. > 	if (free_debug_func != NULL)
      366.   		free_debug_func(NULL, 1);
      367.   	}

crypto/mem.c:367:2: return from a call to CRYPTO_free
      365.   	if (free_debug_func != NULL)
      366.   		free_debug_func(NULL, 1);
      367.   	}
              ^
      368.   
      369.   void *CRYPTO_remalloc(void *a, int num, const char *file, int line)

crypto/err/err.c:649:2: 
    647.   	es->err_file[es->top]=file;
    648.   	es->err_line[es->top]=line;
    649. > 	err_clear_data(es,es->top);
    650.   	}
    651.   

crypto/err/err.c:650:2: return from a call to ERR_put_error
    648.   	es->err_line[es->top]=line;
    649.   	err_clear_data(es,es->top);
    650.   	}
            ^
    651.   
    652.   void ERR_clear_error(void)

crypto/buffer/buffer.c:177:3: 
  175.   		{
  176.   		BUFerr(BUF_F_BUF_STRDUP,ERR_R_MALLOC_FAILURE);
  177. > 		return(NULL);
  178.   		}
  179.   	memcpy(ret,str,n+1);

crypto/buffer/buffer.c:181:2: return from a call to BUF_strdup
  179.   	memcpy(ret,str,n+1);
  180.   	return(ret);
  181.   	}
          ^
  182.   
  183.   size_t BUF_strlcpy(char *dst, const char *src, size_t size)

apps/ca.c:3232:2: 
3230.   	tmp = BUF_strdup(str);
3231.   
3232. > 	p = strchr(tmp, ',');
3233.   
3234.   	rtime_str = tmp;

int unpack_revinfo(ASN1_TIME **prevtm, int *preason, ASN1_OBJECT **phold, ASN1_GENERALIZEDTIME **pinvtm, char *str)
	{
	char *tmp = NULL;
	char *rtime_str, *reason_str = NULL, *arg_str = NULL, *p;
	int reason_code = -1;
	int i, ret = 0;
	ASN1_OBJECT *hold = NULL;
	ASN1_GENERALIZEDTIME *comp_time = NULL;
	tmp = BUF_strdup(str);
	p = strchr(tmp, ',');
	rtime_str = tmp;
	if (p)
		{
		*p = '\0';
		p++;
		reason_str = p;
		p = strchr(p, ',');
		if (p)
			{
			*p = '\0';
			arg_str = p + 1;
			}
		}
	if (prevtm)
		{
		*prevtm = ASN1_UTCTIME_new();
		if (!ASN1_UTCTIME_set_string(*prevtm, rtime_str))
			{
			BIO_printf(bio_err, "invalid revocation date %s\n", rtime_str);
			goto err;
			}
		}
	if (reason_str)
		{
		for (i = 0; i < NUM_REASONS; i++)
			{
			if(!strcasecmp(reason_str, crl_reasons[i]))
				{
				reason_code = i;
				break;
				}
			}
		if (reason_code == OCSP_REVOKED_STATUS_NOSTATUS)
			{
			BIO_printf(bio_err, "invalid reason code %s\n", reason_str);
			goto err;
			}
		if (reason_code == 7)
			reason_code = OCSP_REVOKED_STATUS_REMOVEFROMCRL;
		else if (reason_code == 8)
			{
			if (!arg_str)
				{
				BIO_printf(bio_err, "missing hold instruction\n");
				goto err;
				}
			reason_code = OCSP_REVOKED_STATUS_CERTIFICATEHOLD;
			hold = OBJ_txt2obj(arg_str, 0);
			if (!hold)
				{
				BIO_printf(bio_err, "invalid object identifier %s\n", arg_str);
				goto err;
				}
			if (phold) *phold = hold;
			}
		else if ((reason_code == 9) || (reason_code == 10))
			{
			if (!arg_str)
				{
				BIO_printf(bio_err, "missing compromised time\n");
				goto err;
				}
			comp_time = ASN1_GENERALIZEDTIME_new();
			if (!ASN1_GENERALIZEDTIME_set_string(comp_time, arg_str))
				{
				BIO_printf(bio_err, "invalid compromised time %s\n", arg_str);
				goto err;
				}
			if (reason_code == 9)
				reason_code = OCSP_REVOKED_STATUS_KEYCOMPROMISE;
			else
				reason_code = OCSP_REVOKED_STATUS_CACOMPROMISE;
			}
		}
	if (preason) *preason = reason_code;
	if (pinvtm) *pinvtm = comp_time;
	else ASN1_GENERALIZEDTIME_free(comp_time);
	ret = 1;
	err:
	if (tmp) OPENSSL_free(tmp);
	if (!phold) ASN1_OBJECT_free(hold);
	if (!pinvtm) ASN1_GENERALIZEDTIME_free(comp_time);
	return ret;
	}
['int unpack_revinfo(ASN1_TIME **prevtm, int *preason, ASN1_OBJECT **phold, ASN1_GENERALIZEDTIME **pinvtm, char *str)\n\t{\n\tchar *tmp = NULL;\n\tchar *rtime_str, *reason_str = NULL, *arg_str = NULL, *p;\n\tint reason_code = -1;\n\tint i, ret = 0;\n\tASN1_OBJECT *hold = NULL;\n\tASN1_GENERALIZEDTIME *comp_time = NULL;\n\ttmp = BUF_strdup(str);\n\tp = strchr(tmp, \',\');\n\trtime_str = tmp;\n\tif (p)\n\t\t{\n\t\t*p = \'\\0\';\n\t\tp++;\n\t\treason_str = p;\n\t\tp = strchr(p, \',\');\n\t\tif (p)\n\t\t\t{\n\t\t\t*p = \'\\0\';\n\t\t\targ_str = p + 1;\n\t\t\t}\n\t\t}\n\tif (prevtm)\n\t\t{\n\t\t*prevtm = ASN1_UTCTIME_new();\n\t\tif (!ASN1_UTCTIME_set_string(*prevtm, rtime_str))\n\t\t\t{\n\t\t\tBIO_printf(bio_err, "invalid revocation date %s\\n", rtime_str);\n\t\t\tgoto err;\n\t\t\t}\n\t\t}\n\tif (reason_str)\n\t\t{\n\t\tfor (i = 0; i < NUM_REASONS; i++)\n\t\t\t{\n\t\t\tif(!strcasecmp(reason_str, crl_reasons[i]))\n\t\t\t\t{\n\t\t\t\treason_code = i;\n\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t}\n\t\tif (reason_code == OCSP_REVOKED_STATUS_NOSTATUS)\n\t\t\t{\n\t\t\tBIO_printf(bio_err, "invalid reason code %s\\n", reason_str);\n\t\t\tgoto err;\n\t\t\t}\n\t\tif (reason_code == 7)\n\t\t\treason_code = OCSP_REVOKED_STATUS_REMOVEFROMCRL;\n\t\telse if (reason_code == 8)\n\t\t\t{\n\t\t\tif (!arg_str)\n\t\t\t\t{\n\t\t\t\tBIO_printf(bio_err, "missing hold instruction\\n");\n\t\t\t\tgoto err;\n\t\t\t\t}\n\t\t\treason_code = OCSP_REVOKED_STATUS_CERTIFICATEHOLD;\n\t\t\thold = OBJ_txt2obj(arg_str, 0);\n\t\t\tif (!hold)\n\t\t\t\t{\n\t\t\t\tBIO_printf(bio_err, "invalid object identifier %s\\n", arg_str);\n\t\t\t\tgoto err;\n\t\t\t\t}\n\t\t\tif (phold) *phold = hold;\n\t\t\t}\n\t\telse if ((reason_code == 9) || (reason_code == 10))\n\t\t\t{\n\t\t\tif (!arg_str)\n\t\t\t\t{\n\t\t\t\tBIO_printf(bio_err, "missing compromised time\\n");\n\t\t\t\tgoto err;\n\t\t\t\t}\n\t\t\tcomp_time = ASN1_GENERALIZEDTIME_new();\n\t\t\tif (!ASN1_GENERALIZEDTIME_set_string(comp_time, arg_str))\n\t\t\t\t{\n\t\t\t\tBIO_printf(bio_err, "invalid compromised time %s\\n", arg_str);\n\t\t\t\tgoto err;\n\t\t\t\t}\n\t\t\tif (reason_code == 9)\n\t\t\t\treason_code = OCSP_REVOKED_STATUS_KEYCOMPROMISE;\n\t\t\telse\n\t\t\t\treason_code = OCSP_REVOKED_STATUS_CACOMPROMISE;\n\t\t\t}\n\t\t}\n\tif (preason) *preason = reason_code;\n\tif (pinvtm) *pinvtm = comp_time;\n\telse ASN1_GENERALIZEDTIME_free(comp_time);\n\tret = 1;\n\terr:\n\tif (tmp) OPENSSL_free(tmp);\n\tif (!phold) ASN1_OBJECT_free(hold);\n\tif (!pinvtm) ASN1_GENERALIZEDTIME_free(comp_time);\n\treturn ret;\n\t}', 'char *BUF_strdup(const char *str)\n\t{\n\tchar *ret;\n\tint n;\n\tif (str == NULL) return(NULL);\n\tn=strlen(str);\n\tret=OPENSSL_malloc(n+1);\n\tif (ret == NULL)\n\t\t{\n\t\tBUFerr(BUF_F_BUF_STRDUP,ERR_R_MALLOC_FAILURE);\n\t\treturn(NULL);\n\t\t}\n\tmemcpy(ret,str,n+1);\n\treturn(ret);\n\t}', 'void *CRYPTO_malloc(int num, const char *file, int line)\n\t{\n\tvoid *ret = NULL;\n\textern unsigned char cleanse_ctr;\n\tallow_customize = 0;\n\tif (malloc_debug_func != NULL)\n\t\t{\n\t\tallow_customize_debug = 0;\n\t\tmalloc_debug_func(NULL, num, file, line, 0);\n\t\t}\n\tret = malloc_ex_func(num,file,line);\n#ifdef LEVITTE_DEBUG_MEM\n\tfprintf(stderr, "LEVITTE_DEBUG_MEM:         > 0x%p (%d)\\n", ret, num);\n#endif\n\tif (malloc_debug_func != NULL)\n\t\tmalloc_debug_func(ret, num, file, line, 1);\n        if(ret && (num > 2048))\n                ((unsigned char *)ret)[0] = cleanse_ctr;\n\treturn ret;\n\t}', 'void ERR_put_error(int lib, int func, int reason, const char *file,\n\t     int line)\n\t{\n\tERR_STATE *es;\n#ifdef _OSD_POSIX\n\tif (strncmp(file,"*POSIX(", sizeof("*POSIX(")-1) == 0) {\n\t\tchar *end;\n\t\tfile += sizeof("*POSIX(")-1;\n\t\tend = &file[strlen(file)-1];\n\t\tif (*end == \')\')\n\t\t\t*end = \'\\0\';\n\t\tif ((end = strrchr(file, \'/\')) != NULL)\n\t\t\tfile = &end[1];\n\t}\n#endif\n\tes=ERR_get_state();\n\tes->top=(es->top+1)%ERR_NUM_ERRORS;\n\tif (es->top == es->bottom)\n\t\tes->bottom=(es->bottom+1)%ERR_NUM_ERRORS;\n\tes->err_buffer[es->top]=ERR_PACK(lib,func,reason);\n\tes->err_file[es->top]=file;\n\tes->err_line[es->top]=line;\n\terr_clear_data(es,es->top);\n\t}', 'void CRYPTO_free(void *str)\n\t{\n\tif (free_debug_func != NULL)\n\t\tfree_debug_func(str, 0);\n#ifdef LEVITTE_DEBUG_MEM\n\tfprintf(stderr, "LEVITTE_DEBUG_MEM:         < 0x%p\\n", str);\n#endif\n\tfree_func(str);\n\tif (free_debug_func != NULL)\n\t\tfree_debug_func(NULL, 1);\n\t}']