crypto/ct/ct_log.c:201: error: NULL_DEREFERENCE
  pointer `load_ctx` last assigned on line 199 could be null and is dereferenced at line 201, column 5.
Showing all 41 steps of the trace


crypto/ct/ct_log.c:195:1: start of procedure CTLOG_STORE_load_file()
193.   }
194.   
195. > int CTLOG_STORE_load_file(CTLOG_STORE *store, const char *file)
196.   {
197.       int ret = 0;

crypto/ct/ct_log.c:197:5: 
195.   int CTLOG_STORE_load_file(CTLOG_STORE *store, const char *file)
196.   {
197. >     int ret = 0;
198.       char *enabled_logs;
199.       CTLOG_STORE_LOAD_CTX* load_ctx = ctlog_store_load_ctx_new();

crypto/ct/ct_log.c:199:5: 
197.       int ret = 0;
198.       char *enabled_logs;
199. >     CTLOG_STORE_LOAD_CTX* load_ctx = ctlog_store_load_ctx_new();
200.   
201.       load_ctx->log_store = store;

crypto/ct/ct_log.c:57:1: start of procedure ctlog_store_load_ctx_new()
  55.   static void ctlog_store_load_ctx_free(CTLOG_STORE_LOAD_CTX* ctx);
  56.   
  57. > static CTLOG_STORE_LOAD_CTX *ctlog_store_load_ctx_new()
  58.   {
  59.       CTLOG_STORE_LOAD_CTX *ctx = OPENSSL_zalloc(sizeof(*ctx));

crypto/ct/ct_log.c:59:5: 
  57.   static CTLOG_STORE_LOAD_CTX *ctlog_store_load_ctx_new()
  58.   {
  59. >     CTLOG_STORE_LOAD_CTX *ctx = OPENSSL_zalloc(sizeof(*ctx));
  60.   
  61.       if (ctx == NULL)

crypto/mem.c:197:1: start of procedure CRYPTO_zalloc()
    195.   }
    196.   
    197. > void *CRYPTO_zalloc(size_t num, const char *file, int line)
    198.   {
    199.       void *ret = CRYPTO_malloc(num, file, line);

crypto/mem.c:199:5: 
    197.   void *CRYPTO_zalloc(size_t num, const char *file, int line)
    198.   {
    199. >     void *ret = CRYPTO_malloc(num, file, line);
    200.   
    201.       FAILTEST();

crypto/mem.c:169:1: start of procedure CRYPTO_malloc()
      167.   #endif
      168.   
      169. > void *CRYPTO_malloc(size_t num, const char *file, int line)
      170.   {
      171.       void *ret = NULL;

crypto/mem.c:171:5: 
      169.   void *CRYPTO_malloc(size_t num, const char *file, int line)
      170.   {
      171. >     void *ret = NULL;
      172.   
      173.       if (malloc_impl != NULL && malloc_impl != CRYPTO_malloc)

crypto/mem.c:173:9: Taking false branch
      171.       void *ret = NULL;
      172.   
      173.       if (malloc_impl != NULL && malloc_impl != CRYPTO_malloc)
                     ^
      174.           return malloc_impl(num, file, line);
      175.   

crypto/mem.c:176:9: Taking false branch
      174.           return malloc_impl(num, file, line);
      175.   
      176.       if (num == 0)
                     ^
      177.           return NULL;
      178.   

crypto/mem.c:180:5: 
      178.   
      179.       FAILTEST();
      180. >     allow_customize = 0;
      181.   #ifndef OPENSSL_NO_CRYPTO_MDEBUG
      182.       if (call_malloc_debug) {

crypto/mem.c:190:5: 
      188.       }
      189.   #else
      190. >     osslargused(file); osslargused(line);
      191.       ret = malloc(num);
      192.   #endif

crypto/mem.c:190:24: 
      188.       }
      189.   #else
      190. >     osslargused(file); osslargused(line);
      191.       ret = malloc(num);
      192.   #endif

crypto/mem.c:191:5: 
      189.   #else
      190.       osslargused(file); osslargused(line);
      191. >     ret = malloc(num);
      192.   #endif
      193.   

crypto/mem.c:194:5: 
      192.   #endif
      193.   
      194. >     return ret;
      195.   }
      196.   

crypto/mem.c:195:1: return from a call to CRYPTO_malloc
      193.   
      194.       return ret;
      195. > }
      196.   
      197.   void *CRYPTO_zalloc(size_t num, const char *file, int line)

crypto/mem.c:202:9: Taking false branch
    200.   
    201.       FAILTEST();
    202.       if (ret != NULL)
                   ^
    203.           memset(ret, 0, num);
    204.       return ret;

crypto/mem.c:204:5: 
    202.       if (ret != NULL)
    203.           memset(ret, 0, num);
    204. >     return ret;
    205.   }
    206.   

crypto/mem.c:205:1: return from a call to CRYPTO_zalloc
    203.           memset(ret, 0, num);
    204.       return ret;
    205. > }
    206.   
    207.   void *CRYPTO_realloc(void *str, size_t num, const char *file, int line)

crypto/ct/ct_log.c:61:9: Taking true branch
  59.       CTLOG_STORE_LOAD_CTX *ctx = OPENSSL_zalloc(sizeof(*ctx));
  60.   
  61.       if (ctx == NULL)
                ^
  62.           CTerr(CT_F_CTLOG_STORE_LOAD_CTX_NEW, ERR_R_MALLOC_FAILURE);
  63.   

crypto/ct/ct_log.c:62:9: 
  60.   
  61.       if (ctx == NULL)
  62. >         CTerr(CT_F_CTLOG_STORE_LOAD_CTX_NEW, ERR_R_MALLOC_FAILURE);
  63.   
  64.       return ctx;

crypto/err/err.c:365:1: start of procedure ERR_put_error()
    363.   /********************************************************/
    364.   
    365. > void ERR_put_error(int lib, int func, int reason, const char *file, int line)
    366.   {
    367.       ERR_STATE *es;

crypto/err/err.c:388:5: 
    386.       }
    387.   #endif
    388. >     es = ERR_get_state();
    389.       if (es == NULL)
    390.           return;

crypto/err/err.c:679:1: start of procedure ERR_get_state()
      677.   }
      678.   
      679. > ERR_STATE *ERR_get_state(void)
      680.   {
      681.       ERR_STATE *state = NULL;

crypto/err/err.c:681:5: 
      679.   ERR_STATE *ERR_get_state(void)
      680.   {
      681. >     ERR_STATE *state = NULL;
      682.   
      683.       if (!RUN_ONCE(&err_init, err_do_init))

crypto/err/err.c:683:10: 
      681.       ERR_STATE *state = NULL;
      682.   
      683. >     if (!RUN_ONCE(&err_init, err_do_init))
      684.           return NULL;
      685.   

crypto/threads_pthread.c:105:1: start of procedure CRYPTO_THREAD_run_once()
        103.   }
        104.   
        105. > int CRYPTO_THREAD_run_once(CRYPTO_ONCE *once, void (*init)(void))
        106.   {
        107.       if (pthread_once(once, init) != 0)

crypto/threads_pthread.c:107:9: Taking true branch
        105.   int CRYPTO_THREAD_run_once(CRYPTO_ONCE *once, void (*init)(void))
        106.   {
        107.       if (pthread_once(once, init) != 0)
                       ^
        108.           return 0;
        109.   

crypto/threads_pthread.c:108:9: 
        106.   {
        107.       if (pthread_once(once, init) != 0)
        108. >         return 0;
        109.   
        110.       return 1;

crypto/threads_pthread.c:111:1: return from a call to CRYPTO_THREAD_run_once
        109.   
        110.       return 1;
        111. > }
        112.   
        113.   int CRYPTO_THREAD_init_local(CRYPTO_THREAD_LOCAL *key, void (*cleanup)(void *))

crypto/err/err.c:683:10: Condition is false
      681.       ERR_STATE *state = NULL;
      682.   
      683.       if (!RUN_ONCE(&err_init, err_do_init))
                      ^
      684.           return NULL;
      685.   

crypto/err/err.c:683:10: Taking true branch
      681.       ERR_STATE *state = NULL;
      682.   
      683.       if (!RUN_ONCE(&err_init, err_do_init))
                      ^
      684.           return NULL;
      685.   

crypto/err/err.c:684:9: 
      682.   
      683.       if (!RUN_ONCE(&err_init, err_do_init))
      684. >         return NULL;
      685.   
      686.       state = CRYPTO_THREAD_get_local(&err_thread_local);

crypto/err/err.c:704:1: return from a call to ERR_get_state
      702.   
      703.       return state;
      704. > }
      705.   
      706.   int ERR_get_next_error_library(void)

crypto/err/err.c:389:9: Taking true branch
    387.   #endif
    388.       es = ERR_get_state();
    389.       if (es == NULL)
                   ^
    390.           return;
    391.   

crypto/err/err.c:390:9: 
    388.       es = ERR_get_state();
    389.       if (es == NULL)
    390. >         return;
    391.   
    392.       es->top = (es->top + 1) % ERR_NUM_ERRORS;

crypto/err/err.c:400:1: return from a call to ERR_put_error
    398.       es->err_line[es->top] = line;
    399.       err_clear_data(es, es->top);
    400. > }
    401.   
    402.   void ERR_clear_error(void)

crypto/ct/ct_log.c:64:5: 
  62.           CTerr(CT_F_CTLOG_STORE_LOAD_CTX_NEW, ERR_R_MALLOC_FAILURE);
  63.   
  64. >     return ctx;
  65.   }
  66.   

crypto/ct/ct_log.c:65:1: return from a call to ctlog_store_load_ctx_new
  63.   
  64.       return ctx;
  65. > }
  66.   
  67.   static void ctlog_store_load_ctx_free(CTLOG_STORE_LOAD_CTX* ctx)

crypto/ct/ct_log.c:201:5: 
199.       CTLOG_STORE_LOAD_CTX* load_ctx = ctlog_store_load_ctx_new();
200.   
201. >     load_ctx->log_store = store;
202.       load_ctx->conf = NCONF_new(NULL);
203.       if (load_ctx->conf == NULL)
