mirrors/cpython
1
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2025-07-16 15:55:18 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 8

closes bpo-41533: Fix a potential memory leak when allocating a stack (GH-21847)

Browse source 
Free the stack allocated in va_build_stack if do_mkstack fails
and the stack is not a small_stack
This commit is contained in:
Tony Solomonik 2020-08-30 07:53:08 +03:00 • committed by GitHub
parent c68c5af2dc
commit 75c80b0bda
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
2 changed files with 5 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

3
Python/modsupport.c
View file

@ -622,6 +622,9 @@ va_build_stack(PyObject **small_stack, Py_ssize_t small_stack_len,
va_end(lva);
if (res < 0) {
if (stack != small_stack) {
PyMem_Free(stack);
}
return NULL;
}