Mirror
/
cpython
mirror of https://github.com/python/cpython
4
1
Fork 0
Code Issues Releases Wiki Activity

bpo-30602: Fix refleak in os.spawnve() (#2184) 

When os.spawnve() fails while handling arguments, free correctly
argvlist: pass lastarg+1 rather than lastarg to free_string_array()
to also free the first item.
This commit is contained in:
Victor Stinner 2017-06-14 14:26:21 +02:00 committed by GitHub
parent 3402f72688
commit 526b22657c
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
Modules/posixmodule.c
View File

@ -5223,7 +5223,7 @@ os_spawnve_impl(PyObject *module, int mode, path_t *path, PyObject *argv,
Py_ssize_t argc, i, envc;
intptr_t spawnval;
PyObject *(*getitem)(PyObject *, Py_ssize_t);
Py_ssize_t lastarg = 0;
Py_ssize_t lastarg = -1;
/* spawnve has four arguments: (mode, path, argv, env), where
argv is a list or tuple of strings and env is a dictionary
@ -5302,7 +5302,7 @@ os_spawnve_impl(PyObject *module, int mode, path_t *path, PyObject *argv,
PyMem_DEL(envlist[envc]);
PyMem_DEL(envlist);
fail_1:
free_string_array(argvlist, lastarg);
free_string_array(argvlist, lastarg + 1);
fail_0:
return res;
}