apps/apps.c:415: error: NULL_DEREFERENCE
  pointer `arg->data` last assigned on line 412 could be null and is dereferenced at line 415, column 3.
Showing all 23 steps of the trace


apps/apps.c:399:1: start of procedure chopup_args()
397.   #endif
398.   
399. > int chopup_args(ARGS *arg, char *buf, int *argc, char **argv[])
400.   	{
401.   	int num,len,i;

apps/apps.c:404:2: 
402.   	char *p;
403.   
404. > 	*argc=0;
405.   	*argv=NULL;
406.   

apps/apps.c:405:2: 
403.   
404.   	*argc=0;
405. > 	*argv=NULL;
406.   
407.   	len=strlen(buf);

apps/apps.c:407:2: 
405.   	*argv=NULL;
406.   
407. > 	len=strlen(buf);
408.   	i=0;
409.   	if (arg->count == 0)

apps/apps.c:408:2: 
406.   
407.   	len=strlen(buf);
408. > 	i=0;
409.   	if (arg->count == 0)
410.   		{

apps/apps.c:409:6: Taking true branch
407.   	len=strlen(buf);
408.   	i=0;
409.   	if (arg->count == 0)
            ^
410.   		{
411.   		arg->count=20;

apps/apps.c:411:3: 
409.   	if (arg->count == 0)
410.   		{
411. > 		arg->count=20;
412.   		arg->data=(char **)OPENSSL_malloc(sizeof(char *)*arg->count);
413.   		}

apps/apps.c:412:3: 
410.   		{
411.   		arg->count=20;
412. > 		arg->data=(char **)OPENSSL_malloc(sizeof(char *)*arg->count);
413.   		}
414.   	for (i=0; i<arg->count; i++)

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)

apps/apps.c:414:7: 
412.   		arg->data=(char **)OPENSSL_malloc(sizeof(char *)*arg->count);
413.   		}
414. > 	for (i=0; i<arg->count; i++)
415.   		arg->data[i]=NULL;
416.   

apps/apps.c:414:12: Loop condition is true. Entering loop body
412.   		arg->data=(char **)OPENSSL_malloc(sizeof(char *)*arg->count);
413.   		}
414.   	for (i=0; i<arg->count; i++)
                  ^
415.   		arg->data[i]=NULL;
416.   

apps/apps.c:415:3: 
413.   		}
414.   	for (i=0; i<arg->count; i++)
415. > 		arg->data[i]=NULL;
416.   
417.   	num=0;

int chopup_args(ARGS *arg, char *buf, int *argc, char **argv[])
	{
	int num,len,i;
	char *p;
	*argc=0;
	*argv=NULL;
	len=strlen(buf);
	i=0;
	if (arg->count == 0)
		{
		arg->count=20;
		arg->data=(char **)OPENSSL_malloc(sizeof(char *)*arg->count);
		}
	for (i=0; i<arg->count; i++)
		arg->data[i]=NULL;
	num=0;
	p=buf;
	for (;;)
		{
		if (!*p) break;
		while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n')))
			p++;
		if (!*p) break;
		if (num >= arg->count)
			{
			arg->count+=20;
			arg->data=(char **)OPENSSL_realloc(arg->data,
				sizeof(char *)*arg->count);
			if (argc == 0) return(0);
			}
		arg->data[num++]=p;
		if ((*p == '\'') || (*p == '\"'))
			{
			i= *(p++);
			arg->data[num-1]++;
			while (*p && (*p != i))
				p++;
			*p='\0';
			}
		else
			{
			while (*p && ((*p != ' ') &&
				(*p != '\t') && (*p != '\n')))
				p++;
			if (*p == '\0')
				p--;
			else
				*p='\0';
			}
		p++;
		}
	*argc=num;
	*argv=arg->data;
	return(1);
	}
['int chopup_args(ARGS *arg, char *buf, int *argc, char **argv[])\n\t{\n\tint num,len,i;\n\tchar *p;\n\t*argc=0;\n\t*argv=NULL;\n\tlen=strlen(buf);\n\ti=0;\n\tif (arg->count == 0)\n\t\t{\n\t\targ->count=20;\n\t\targ->data=(char **)OPENSSL_malloc(sizeof(char *)*arg->count);\n\t\t}\n\tfor (i=0; i<arg->count; i++)\n\t\targ->data[i]=NULL;\n\tnum=0;\n\tp=buf;\n\tfor (;;)\n\t\t{\n\t\tif (!*p) break;\n\t\twhile (*p && ((*p == \' \') || (*p == \'\\t\') || (*p == \'\\n\')))\n\t\t\tp++;\n\t\tif (!*p) break;\n\t\tif (num >= arg->count)\n\t\t\t{\n\t\t\targ->count+=20;\n\t\t\targ->data=(char **)OPENSSL_realloc(arg->data,\n\t\t\t\tsizeof(char *)*arg->count);\n\t\t\tif (argc == 0) return(0);\n\t\t\t}\n\t\targ->data[num++]=p;\n\t\tif ((*p == \'\\\'\') || (*p == \'\\"\'))\n\t\t\t{\n\t\t\ti= *(p++);\n\t\t\targ->data[num-1]++;\n\t\t\twhile (*p && (*p != i))\n\t\t\t\tp++;\n\t\t\t*p=\'\\0\';\n\t\t\t}\n\t\telse\n\t\t\t{\n\t\t\twhile (*p && ((*p != \' \') &&\n\t\t\t\t(*p != \'\\t\') && (*p != \'\\n\')))\n\t\t\t\tp++;\n\t\t\tif (*p == \'\\0\')\n\t\t\t\tp--;\n\t\t\telse\n\t\t\t\t*p=\'\\0\';\n\t\t\t}\n\t\tp++;\n\t\t}\n\t*argc=num;\n\t*argv=arg->data;\n\treturn(1);\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}']