crypto/hmac/hm_ameth.c:130: error: NULL_DEREFERENCE
  pointer `*pder` last assigned on line 125 could be null and is dereferenced by call to `memcpy()` at line 130, column 3.
Showing all 20 steps of the trace


crypto/hmac/hm_ameth.c:117:1: start of procedure old_hmac_encode()
115.   	}
116.   
117. > static int old_hmac_encode(const EVP_PKEY *pkey, unsigned char **pder)
118.   	{
119.   	int inc;

crypto/hmac/hm_ameth.c:120:2: 
118.   	{
119.   	int inc;
120. > 	ASN1_OCTET_STRING *os = (ASN1_OCTET_STRING *)pkey->pkey.ptr;
121.   	if (pder)
122.   		{

crypto/hmac/hm_ameth.c:121:6: Taking true branch
119.   	int inc;
120.   	ASN1_OCTET_STRING *os = (ASN1_OCTET_STRING *)pkey->pkey.ptr;
121.   	if (pder)
            ^
122.   		{
123.   		if (!*pder)

crypto/hmac/hm_ameth.c:123:8: Taking true branch
121.   	if (pder)
122.   		{
123.   		if (!*pder)
              ^
124.   			{
125.   			*pder = OPENSSL_malloc(os->length);

crypto/hmac/hm_ameth.c:125:4: 
123.   		if (!*pder)
124.   			{
125. > 			*pder = OPENSSL_malloc(os->length);
126.   			inc = 0;
127.   			}

crypto/mem.c:294:1: start of procedure CRYPTO_malloc()
  292.   	}
  293.   
  294. > void *CRYPTO_malloc(size_t num, const char *file, int line)
  295.   	{
  296.   	void *ret = NULL;

crypto/mem.c:296:2: 
  294.   void *CRYPTO_malloc(size_t num, const char *file, int line)
  295.   	{
  296. > 	void *ret = NULL;
  297.   
  298.   	if (num <= 0) return NULL;

crypto/mem.c:298:6: Taking false branch
  296.   	void *ret = NULL;
  297.   
  298.   	if (num <= 0) return NULL;
              ^
  299.   
  300.   	allow_customize = 0;

crypto/mem.c:300:2: 
  298.   	if (num <= 0) return NULL;
  299.   
  300. > 	allow_customize = 0;
  301.   	if (malloc_debug_func != NULL)
  302.   		{

crypto/mem.c:301:6: Taking true branch
  299.   
  300.   	allow_customize = 0;
  301.   	if (malloc_debug_func != NULL)
              ^
  302.   		{
  303.   		allow_customize_debug = 0;

crypto/mem.c:303:3: 
  301.   	if (malloc_debug_func != NULL)
  302.   		{
  303. > 		allow_customize_debug = 0;
  304.   		malloc_debug_func(NULL, num, file, line, 0);
  305.   		}

crypto/mem.c:304:3: Skipping __function_pointer__(): unresolved function pointer
  302.   		{
  303.   		allow_customize_debug = 0;
  304.   		malloc_debug_func(NULL, num, file, line, 0);
           ^
  305.   		}
  306.   	ret = malloc_ex_func(num,file,line);

crypto/mem.c:306:2: Skipping __function_pointer__(): unresolved function pointer
  304.   		malloc_debug_func(NULL, num, file, line, 0);
  305.   		}
  306.   	ret = malloc_ex_func(num,file,line);
          ^
  307.   #ifdef LEVITTE_DEBUG_MEM
  308.   	fprintf(stderr, "LEVITTE_DEBUG_MEM:         > 0x%p (%d)\n", ret, num);

crypto/mem.c:310:6: Taking true branch
  308.   	fprintf(stderr, "LEVITTE_DEBUG_MEM:         > 0x%p (%d)\n", ret, num);
  309.   #endif
  310.   	if (malloc_debug_func != NULL)
              ^
  311.   		malloc_debug_func(ret, num, file, line, 1);
  312.   

crypto/mem.c:311:3: Skipping __function_pointer__(): unresolved function pointer
  309.   #endif
  310.   	if (malloc_debug_func != NULL)
  311.   		malloc_debug_func(ret, num, file, line, 1);
           ^
  312.   
  313.   #ifndef OPENSSL_CPUID_OBJ

crypto/mem.c:317:12: Taking false branch
  315.            * sanitisation function can't be optimised out. NB: We only do
  316.            * this for >2Kb so the overhead doesn't bother us. */
  317.           if(ret && (num > 2048))
                    ^
  318.   	{	extern unsigned char cleanse_ctr;
  319.                   ((unsigned char *)ret)[0] = cleanse_ctr;

crypto/mem.c:323:2: 
  321.   #endif
  322.   
  323. > 	return ret;
  324.   	}
  325.   char *CRYPTO_strdup(const char *str, const char *file, int line)

crypto/mem.c:324:2: return from a call to CRYPTO_malloc
  322.   
  323.   	return ret;
  324.   	}
          ^
  325.   char *CRYPTO_strdup(const char *str, const char *file, int line)
  326.   	{

crypto/hmac/hm_ameth.c:126:4: 
124.   			{
125.   			*pder = OPENSSL_malloc(os->length);
126. > 			inc = 0;
127.   			}
128.   		else inc = 1;

crypto/hmac/hm_ameth.c:130:3: 
128.   		else inc = 1;
129.   
130. > 		memcpy(*pder, os->data, os->length);
131.   
132.   		if (inc)
