| File: | _mysql.c |
| Function: | _mysql_server_init |
| Error: | memory leak: ob_refcnt of new ref from (unknown) _mysql_Exception is 1 too high |
259 static PyObject *_mysql_server_init(
260 PyObject *self,
261 PyObject *args,
262 PyObject *kwargs) {
263 static char *kwlist[] = {"args", "groups", NULL};
264 char **cmd_args_c=NULL, **groups_c=NULL, *s;
265 int cmd_argc=0, i, groupc;
266 PyObject *cmd_args=NULL, *groups=NULL, *ret=NULL, *item;
267
268 if (_mysql_server_init_done) {
269 PyErr_SetString(_mysql_ProgrammingError,
when considering value == (int)0 from _mysql.c:121
taking False path
270 "already initialized");
271 return NULL;
272 }
273
274 if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|OO", kwlist,
275 &cmd_args, &groups))
when PyArg_ParseTupleAndKeywords() succeeds
taking False path
276 return NULL;
277
278 #if MYSQL_VERSION_ID >= 40000
279 if (cmd_args) {
280 if (!PySequence_Check(cmd_args)) {
taking True path
281 PyErr_SetString(PyExc_TypeError,
when considering range: -0x80000000 <= value <= -1
taking False path
282 "args must be a sequence");
283 goto finish;
284 }
285 cmd_argc = PySequence_Size(cmd_args);
286 if (cmd_argc == -1) {
when PySequence_Size() succeeds
287 PyErr_SetString(PyExc_TypeError,
when considering range: -0x80000000 <= value <= -2
taking False path
288 "args could not be sized");
289 goto finish;
290 }
291 cmd_args_c = (char **) PyMem_Malloc(cmd_argc*sizeof(char *));
292 for (i=0; i< cmd_argc; i++) {
when PyMem_Malloc() succeeds
293 item = PySequence_GetItem(cmd_args, i);
taking False path
294 s = get_string(item);
295
296 Py_DECREF(item);
297 if (!s) { goto finish; }
298 cmd_args_c[i] = s;
299 }
300 }
301 if (groups) {
302 if (!PySequence_Check(groups)) {
taking True path
303 PyErr_SetString(PyExc_TypeError,
when considering range: 1 <= value <= 0x7fffffff
taking False path
304 "groups must be a sequence");
305 goto finish;
306 }
307 groupc = PySequence_Size(groups);
308 if (groupc == -1) {
when PySequence_Size() succeeds
309 PyErr_SetString(PyExc_TypeError,
when considering range: 0 <= value <= 0x7fffffff
taking False path
310 "groups could not be sized");
311 goto finish;
312 }
313 groups_c = (char **) PyMem_Malloc((1+groupc)*sizeof(char *));
314 for (i=0; i< groupc; i++) {
when PyMem_Malloc() succeeds
315 item = PySequence_GetItem(groups, i);
when considering range: 1 <= groupc <= 0x7fffffff
taking True path
when considering groupc == (int)1 from _mysql.c:308
taking False path
316 s = get_string(item);
when PySequence_GetItem() succeeds
317 Py_DECREF(item);
318 if (!s) { goto finish; }
when taking False path
calling tp_dealloc on new ref from PySequence_GetItem allocated at _mysql.c:316
319 groups_c[i] = s;
when treating unknown char * from _mysql.c:317 as non-NULL
taking False path
320 }
321 groups_c[groupc] = (char *)NULL;
322 }
323 /* even though this may block, don't give up the interpreter lock
324 so that the server can't be initialized multiple times. */
325 if (mysql_server_init(cmd_argc, cmd_args_c, groups_c)) {
326 _mysql_Exception(NULL);
when considering range: -0x80000000 <= value <= -1
taking True path
327 goto finish;
when _mysql_Exception() succeeds
new ref from (unknown) _mysql_Exception was allocated at: _mysql_Exception(NULL);
ob_refcnt is now refs: 1 owned
328 }
329 #endif
330 ret = Py_None;
331 Py_INCREF(Py_None);
332 _mysql_server_init_done = 1;
333 finish:
334 PyMem_Free(groups_c);
335 PyMem_Free(cmd_args_c);
calling PyMem_Free on PyMem_Malloc allocated at _mysql.c:314
336 return ret;
calling PyMem_Free on PyMem_Malloc allocated at _mysql.c:292
337 }
338 | File: | _mysql.c |
| Function: | _mysql_server_init |
| Error: | returning (PyObject*)NULL without setting an exception |
259 static PyObject *_mysql_server_init(
260 PyObject *self,
261 PyObject *args,
262 PyObject *kwargs) {
263 static char *kwlist[] = {"args", "groups", NULL};
264 char **cmd_args_c=NULL, **groups_c=NULL, *s;
265 int cmd_argc=0, i, groupc;
266 PyObject *cmd_args=NULL, *groups=NULL, *ret=NULL, *item;
267
268 if (_mysql_server_init_done) {
269 PyErr_SetString(_mysql_ProgrammingError,
when considering value == (int)0 from _mysql.c:121
taking False path
270 "already initialized");
271 return NULL;
272 }
273
274 if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|OO", kwlist,
275 &cmd_args, &groups))
when PyArg_ParseTupleAndKeywords() succeeds
taking False path
276 return NULL;
277
278 #if MYSQL_VERSION_ID >= 40000
279 if (cmd_args) {
280 if (!PySequence_Check(cmd_args)) {
taking True path
281 PyErr_SetString(PyExc_TypeError,
when considering range: -0x80000000 <= value <= -1
taking False path
282 "args must be a sequence");
283 goto finish;
284 }
285 cmd_argc = PySequence_Size(cmd_args);
286 if (cmd_argc == -1) {
when PySequence_Size() succeeds
287 PyErr_SetString(PyExc_TypeError,
when considering range: -0x80000000 <= value <= -2
taking False path
288 "args could not be sized");
289 goto finish;
290 }
291 cmd_args_c = (char **) PyMem_Malloc(cmd_argc*sizeof(char *));
292 for (i=0; i< cmd_argc; i++) {
when PyMem_Malloc() succeeds
293 item = PySequence_GetItem(cmd_args, i);
taking False path
294 s = get_string(item);
295
296 Py_DECREF(item);
297 if (!s) { goto finish; }
298 cmd_args_c[i] = s;
299 }
300 }
301 if (groups) {
302 if (!PySequence_Check(groups)) {
taking True path
303 PyErr_SetString(PyExc_TypeError,
when considering range: 1 <= value <= 0x7fffffff
taking False path
304 "groups must be a sequence");
305 goto finish;
306 }
307 groupc = PySequence_Size(groups);
308 if (groupc == -1) {
when PySequence_Size() succeeds
309 PyErr_SetString(PyExc_TypeError,
when considering range: 0 <= value <= 0x7fffffff
taking False path
310 "groups could not be sized");
311 goto finish;
312 }
313 groups_c = (char **) PyMem_Malloc((1+groupc)*sizeof(char *));
314 for (i=0; i< groupc; i++) {
when PyMem_Malloc() succeeds
315 item = PySequence_GetItem(groups, i);
when considering range: 1 <= groupc <= 0x7fffffff
taking True path
when considering groupc == (int)1 from _mysql.c:308
taking False path
316 s = get_string(item);
when PySequence_GetItem() succeeds
317 Py_DECREF(item);
318 if (!s) { goto finish; }
when taking False path
calling tp_dealloc on new ref from PySequence_GetItem allocated at _mysql.c:316
319 groups_c[i] = s;
when treating unknown char * from _mysql.c:317 as non-NULL
taking False path
320 }
321 groups_c[groupc] = (char *)NULL;
322 }
323 /* even though this may block, don't give up the interpreter lock
324 so that the server can't be initialized multiple times. */
325 if (mysql_server_init(cmd_argc, cmd_args_c, groups_c)) {
326 _mysql_Exception(NULL);
when considering range: -0x80000000 <= value <= -1
taking True path
327 goto finish;
when _mysql_Exception() succeeds
328 }
329 #endif
330 ret = Py_None;
331 Py_INCREF(Py_None);
332 _mysql_server_init_done = 1;
333 finish:
334 PyMem_Free(groups_c);
335 PyMem_Free(cmd_args_c);
calling PyMem_Free on PyMem_Malloc allocated at _mysql.c:314
336 return ret;
calling PyMem_Free on PyMem_Malloc allocated at _mysql.c:292
337 }
338 | File: | _mysql.c |
| Function: | _mysql_server_init |
| Error: | dereferencing NULL (item->ob_refcnt) at _mysql.c:318 |
259 static PyObject *_mysql_server_init(
260 PyObject *self,
261 PyObject *args,
262 PyObject *kwargs) {
263 static char *kwlist[] = {"args", "groups", NULL};
264 char **cmd_args_c=NULL, **groups_c=NULL, *s;
265 int cmd_argc=0, i, groupc;
266 PyObject *cmd_args=NULL, *groups=NULL, *ret=NULL, *item;
267
268 if (_mysql_server_init_done) {
269 PyErr_SetString(_mysql_ProgrammingError,
when considering value == (int)0 from _mysql.c:121
taking False path
270 "already initialized");
271 return NULL;
272 }
273
274 if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|OO", kwlist,
275 &cmd_args, &groups))
when PyArg_ParseTupleAndKeywords() succeeds
taking False path
276 return NULL;
277
278 #if MYSQL_VERSION_ID >= 40000
279 if (cmd_args) {
280 if (!PySequence_Check(cmd_args)) {
taking True path
281 PyErr_SetString(PyExc_TypeError,
when considering range: -0x80000000 <= value <= -1
taking False path
282 "args must be a sequence");
283 goto finish;
284 }
285 cmd_argc = PySequence_Size(cmd_args);
286 if (cmd_argc == -1) {
when PySequence_Size() succeeds
287 PyErr_SetString(PyExc_TypeError,
when considering range: -0x80000000 <= value <= -2
taking False path
288 "args could not be sized");
289 goto finish;
290 }
291 cmd_args_c = (char **) PyMem_Malloc(cmd_argc*sizeof(char *));
292 for (i=0; i< cmd_argc; i++) {
when PyMem_Malloc() succeeds
293 item = PySequence_GetItem(cmd_args, i);
taking False path
294 s = get_string(item);
295
296 Py_DECREF(item);
297 if (!s) { goto finish; }
298 cmd_args_c[i] = s;
299 }
300 }
301 if (groups) {
302 if (!PySequence_Check(groups)) {
taking True path
303 PyErr_SetString(PyExc_TypeError,
when considering range: -0x80000000 <= value <= -1
taking False path
304 "groups must be a sequence");
305 goto finish;
306 }
307 groupc = PySequence_Size(groups);
308 if (groupc == -1) {
when PySequence_Size() succeeds
309 PyErr_SetString(PyExc_TypeError,
when considering range: 0 <= value <= 0x7fffffff
taking False path
310 "groups could not be sized");
311 goto finish;
312 }
313 groups_c = (char **) PyMem_Malloc((1+groupc)*sizeof(char *));
314 for (i=0; i< groupc; i++) {
when PyMem_Malloc() succeeds
315 item = PySequence_GetItem(groups, i);
when considering range: 1 <= groupc <= 0x7fffffff
taking True path
316 s = get_string(item);
when PySequence_GetItem() fails
317 Py_DECREF(item);
318 if (!s) { goto finish; }
dereferencing NULL (item->ob_refcnt) at _mysql.c:318
found 1 similar trace(s) to this
319 groups_c[i] = s;
320 }
321 groups_c[groupc] = (char *)NULL;
322 }
323 /* even though this may block, don't give up the interpreter lock
324 so that the server can't be initialized multiple times. */
325 if (mysql_server_init(cmd_argc, cmd_args_c, groups_c)) {
326 _mysql_Exception(NULL);
327 goto finish;
328 }
329 #endif
330 ret = Py_None;
331 Py_INCREF(Py_None);
332 _mysql_server_init_done = 1;
333 finish:
334 PyMem_Free(groups_c);
335 PyMem_Free(cmd_args_c);
336 return ret;
337 }
338