crypto/bio/b_addr.c:601: error: MEMORY_LEAK
  memory dynamically allocated to `*bai` by call to `CRYPTO_zalloc()` at line 572, column 12 is not reachable after line 601, column 9.
Showing all 30 steps of the trace


crypto/bio/b_addr.c:565:1: start of procedure addrinfo_wrap()
563.    * only happens if a memory allocation error occured.
564.    */
565. > static int addrinfo_wrap(int family, int socktype,
566.                            const void *where, size_t wherelen,
567.                            unsigned short port,

crypto/bio/b_addr.c:570:5: Condition is true
568.                            BIO_ADDRINFO **bai)
569.   {
570.       OPENSSL_assert(bai != NULL);
           ^
571.   
572.       *bai = OPENSSL_zalloc(sizeof(**bai));

crypto/bio/b_addr.c:572:5: 
570.       OPENSSL_assert(bai != NULL);
571.   
572. >     *bai = OPENSSL_zalloc(sizeof(**bai));
573.       if (*bai == NULL)
574.           return 0;

crypto/mem.c:156:1: start of procedure CRYPTO_zalloc()
  154.   }
  155.   
  156. > void *CRYPTO_zalloc(size_t num, const char *file, int line)
  157.   {
  158.       void *ret = CRYPTO_malloc(num, file, line);

crypto/mem.c:158:5: 
  156.   void *CRYPTO_zalloc(size_t num, const char *file, int line)
  157.   {
  158. >     void *ret = CRYPTO_malloc(num, file, line);
  159.   
  160.       if (ret != NULL)

crypto/mem.c:119:1: start of procedure CRYPTO_malloc()
    117.   }
    118.   
    119. > void *CRYPTO_malloc(size_t num, const char *file, int line)
    120.   {
    121.       void *ret = NULL;

crypto/mem.c:121:5: 
    119.   void *CRYPTO_malloc(size_t num, const char *file, int line)
    120.   {
    121. >     void *ret = NULL;
    122.   
    123.       if (num <= 0)

crypto/mem.c:123:9: Taking false branch
    121.       void *ret = NULL;
    122.   
    123.       if (num <= 0)
                   ^
    124.           return NULL;
    125.   

crypto/mem.c:126:5: 
    124.           return NULL;
    125.   
    126. >     allow_customize = 0;
    127.   #ifndef OPENSSL_NO_CRYPTO_MDEBUG
    128.       if (call_malloc_debug) {

crypto/mem.c:136:5: 
    134.       }
    135.   #else
    136. >     (void)file;
    137.       (void)line;
    138.       ret = malloc(num);

crypto/mem.c:137:5: 
    135.   #else
    136.       (void)file;
    137. >     (void)line;
    138.       ret = malloc(num);
    139.   #endif

crypto/mem.c:138:5: 
    136.       (void)file;
    137.       (void)line;
    138. >     ret = malloc(num);
    139.   #endif
    140.   

crypto/mem.c:153:5: 
    151.   #endif
    152.   
    153. >     return ret;
    154.   }
    155.   

crypto/mem.c:154:1: return from a call to CRYPTO_malloc
    152.   
    153.       return ret;
    154. > }
    155.   
    156.   void *CRYPTO_zalloc(size_t num, const char *file, int line)

crypto/mem.c:160:9: Taking true branch
  158.       void *ret = CRYPTO_malloc(num, file, line);
  159.   
  160.       if (ret != NULL)
                 ^
  161.           memset(ret, 0, num);
  162.       return ret;

crypto/mem.c:161:9: 
  159.   
  160.       if (ret != NULL)
  161. >         memset(ret, 0, num);
  162.       return ret;
  163.   }

crypto/mem.c:162:5: 
  160.       if (ret != NULL)
  161.           memset(ret, 0, num);
  162. >     return ret;
  163.   }
  164.   

crypto/mem.c:163:1: return from a call to CRYPTO_zalloc
  161.           memset(ret, 0, num);
  162.       return ret;
  163. > }
  164.   
  165.   void *CRYPTO_realloc(void *str, size_t num, const char *file, int line)

crypto/bio/b_addr.c:573:9: Taking false branch
571.   
572.       *bai = OPENSSL_zalloc(sizeof(**bai));
573.       if (*bai == NULL)
               ^
574.           return 0;
575.   

crypto/bio/b_addr.c:576:5: 
574.           return 0;
575.   
576. >     (*bai)->bai_family = family;
577.       (*bai)->bai_socktype = socktype;
578.       if (socktype == SOCK_STREAM)

crypto/bio/b_addr.c:577:5: 
575.   
576.       (*bai)->bai_family = family;
577. >     (*bai)->bai_socktype = socktype;
578.       if (socktype == SOCK_STREAM)
579.           (*bai)->bai_protocol = IPPROTO_TCP;

crypto/bio/b_addr.c:578:9: Taking false branch
576.       (*bai)->bai_family = family;
577.       (*bai)->bai_socktype = socktype;
578.       if (socktype == SOCK_STREAM)
               ^
579.           (*bai)->bai_protocol = IPPROTO_TCP;
580.       if (socktype == SOCK_DGRAM)

crypto/bio/b_addr.c:580:9: Taking false branch
578.       if (socktype == SOCK_STREAM)
579.           (*bai)->bai_protocol = IPPROTO_TCP;
580.       if (socktype == SOCK_DGRAM)
               ^
581.           (*bai)->bai_protocol = IPPROTO_UDP;
582.   #ifdef AF_UNIX

crypto/bio/b_addr.c:583:9: Taking false branch
581.           (*bai)->bai_protocol = IPPROTO_UDP;
582.   #ifdef AF_UNIX
583.       if (family == AF_UNIX)
               ^
584.           (*bai)->bai_protocol = 0;
585.   #endif

crypto/bio/b_addr.c:592:9: Skipping BIO_ADDR_new(): empty list of specs
590.              creating a memory leak here, we are not.  It will be
591.              all right. */
592.           BIO_ADDR *addr = BIO_ADDR_new();
               ^
593.           if (addr != NULL) {
594.               BIO_ADDR_rawmake(addr, family, where, wherelen, port);

crypto/bio/b_addr.c:593:13: Taking false branch
591.              all right. */
592.           BIO_ADDR *addr = BIO_ADDR_new();
593.           if (addr != NULL) {
                   ^
594.               BIO_ADDR_rawmake(addr, family, where, wherelen, port);
595.               (*bai)->bai_addr = BIO_ADDR_sockaddr_noconst(addr);

crypto/bio/b_addr.c:598:5: 
596.           }
597.       }
598. >     (*bai)->bai_next = NULL;
599.       if ((*bai)->bai_addr == NULL) {
600.           BIO_ADDRINFO_free(*bai);

crypto/bio/b_addr.c:599:9: Taking true branch
597.       }
598.       (*bai)->bai_next = NULL;
599.       if ((*bai)->bai_addr == NULL) {
               ^
600.           BIO_ADDRINFO_free(*bai);
601.           *bai = NULL;

crypto/bio/b_addr.c:600:9: Skipping BIO_ADDRINFO_free(): empty list of specs
598.       (*bai)->bai_next = NULL;
599.       if ((*bai)->bai_addr == NULL) {
600.           BIO_ADDRINFO_free(*bai);
               ^
601.           *bai = NULL;
602.           return 0;

crypto/bio/b_addr.c:601:9: 
599.       if ((*bai)->bai_addr == NULL) {
600.           BIO_ADDRINFO_free(*bai);
601. >         *bai = NULL;
602.           return 0;
603.       }

static int addrinfo_wrap(int family, int socktype,
                         const void *where, size_t wherelen,
                         unsigned short port,
                         BIO_ADDRINFO **bai)
{
    OPENSSL_assert(bai != NULL);
    *bai = OPENSSL_zalloc(sizeof(**bai));
    if (*bai == NULL)
        return 0;
    (*bai)->bai_family = family;
    (*bai)->bai_socktype = socktype;
    if (socktype == SOCK_STREAM)
        (*bai)->bai_protocol = IPPROTO_TCP;
    if (socktype == SOCK_DGRAM)
        (*bai)->bai_protocol = IPPROTO_UDP;
#ifdef AF_UNIX
    if (family == AF_UNIX)
        (*bai)->bai_protocol = 0;
#endif
    {
        BIO_ADDR *addr = BIO_ADDR_new();
        if (addr != NULL) {
            BIO_ADDR_rawmake(addr, family, where, wherelen, port);
            (*bai)->bai_addr = BIO_ADDR_sockaddr_noconst(addr);
        }
    }
    (*bai)->bai_next = NULL;
    if ((*bai)->bai_addr == NULL) {
        BIO_ADDRINFO_free(*bai);
        *bai = NULL;
        return 0;
    }
    return 1;
}
['static int addrinfo_wrap(int family, int socktype,\n                         const void *where, size_t wherelen,\n                         unsigned short port,\n                         BIO_ADDRINFO **bai)\n{\n    OPENSSL_assert(bai != NULL);\n    *bai = OPENSSL_zalloc(sizeof(**bai));\n    if (*bai == NULL)\n        return 0;\n    (*bai)->bai_family = family;\n    (*bai)->bai_socktype = socktype;\n    if (socktype == SOCK_STREAM)\n        (*bai)->bai_protocol = IPPROTO_TCP;\n    if (socktype == SOCK_DGRAM)\n        (*bai)->bai_protocol = IPPROTO_UDP;\n#ifdef AF_UNIX\n    if (family == AF_UNIX)\n        (*bai)->bai_protocol = 0;\n#endif\n    {\n        BIO_ADDR *addr = BIO_ADDR_new();\n        if (addr != NULL) {\n            BIO_ADDR_rawmake(addr, family, where, wherelen, port);\n            (*bai)->bai_addr = BIO_ADDR_sockaddr_noconst(addr);\n        }\n    }\n    (*bai)->bai_next = NULL;\n    if ((*bai)->bai_addr == NULL) {\n        BIO_ADDRINFO_free(*bai);\n        *bai = NULL;\n        return 0;\n    }\n    return 1;\n}', 'void *CRYPTO_zalloc(size_t num, const char *file, int line)\n{\n    void *ret = CRYPTO_malloc(num, file, line);\n    if (ret != NULL)\n        memset(ret, 0, num);\n    return ret;\n}', 'void *CRYPTO_malloc(size_t num, const char *file, int line)\n{\n    void *ret = NULL;\n    if (num <= 0)\n        return NULL;\n    allow_customize = 0;\n#ifndef OPENSSL_NO_CRYPTO_MDEBUG\n    if (call_malloc_debug) {\n        CRYPTO_mem_debug_malloc(NULL, num, 0, file, line);\n        ret = malloc(num);\n        CRYPTO_mem_debug_malloc(ret, num, 1, file, line);\n    } else {\n        ret = malloc(num);\n    }\n#else\n    (void)file;\n    (void)line;\n    ret = malloc(num);\n#endif\n#ifndef OPENSSL_CPUID_OBJ\n    if (ret && (num > 2048)) {\n        extern unsigned char cleanse_ctr;\n        ((unsigned char *)ret)[0] = cleanse_ctr;\n    }\n#endif\n    return ret;\n}']