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bpo-36301: Fix Py_Main() memory leaks (GH-12420)

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bpo-36301, bpo-36333:

* Fix memory allocator used by _PyPathConfig_ClearGlobal():
  force the default allocator.
* _PyPreConfig_ReadFromArgv(): free init_ctype_locale memory.
* pymain_main(): call pymain_free() on init error

Co-Authored-By: Stéphane Wirtel <stephane@wirtel.be>
This commit is contained in:
Victor Stinner 2019-03-18 22:24:28 +01:00 • committed by GitHub
parent a10d426bab
commit c183444f7e
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GPG key ID: 4AEE18F83AFDEB23
3 changed files with 12 additions and 2 deletions
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5
Python/pathconfig.c
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@ -149,7 +149,12 @@ done:
void
_PyPathConfig_ClearGlobal(void)
{
PyMemAllocatorEx old_alloc;
_PyMem_SetDefaultAllocator(PYMEM_DOMAIN_RAW, &old_alloc);
_PyPathConfig_Clear(&_Py_path_config);
PyMem_SetAllocator(PYMEM_DOMAIN_RAW, &old_alloc);
}

1
Python/preconfig.c
View file

@ -758,6 +758,7 @@ _PyPreConfig_ReadFromArgv(_PyPreConfig *config, const _PyArgv *args)
done:
if (init_ctype_locale != NULL) {
setlocale(LC_CTYPE, init_ctype_locale);
PyMem_RawFree(init_ctype_locale);
}
_PyPreConfig_Clear(&save_config);
Py_UTF8Mode = init_utf8_mode ;