[New-bugs-announce] [issue40957] _Py_fopen_obj leaks reference on audit error

[Christian Heimes]

New submission from Christian Heimes <lists at cheimes.de>:

Direct leak of 50 byte(s) in 1 object(s) allocated from:
    #0 0x7f429c681667 in __interceptor_malloc (/lib64/libasan.so.6+0xb0667)
    #1 0x487496 in _PyBytes_FromSize Objects/bytesobject.c:81
    #2 0x487496 in PyBytes_FromStringAndSize Objects/bytesobject.c:112
    #3 0x487496 in PyBytes_FromStringAndSize Objects/bytesobject.c:97
    #4 0x75f140 in unicode_encode_utf8 Objects/unicodeobject.c:5425
    #5 0x7f2052 in PyUnicode_EncodeFSDefault Objects/unicodeobject.c:3660
    #6 0x7f28a7 in PyUnicode_FSConverter Objects/unicodeobject.c:3947
    #7 0xab48ab in _Py_fopen_obj Python/fileutils.c:1459
    #8 0x7f428a713cc5 in _ssl__SSLContext_load_dh_params /home/heimes/dev/python/cpython/Modules/_ssl.c:4293
    #9 0xe03e0c in cfunction_vectorcall_O Objects/methodobject.c:510
    #10 0x4c166a in PyVectorcall_Call Objects/call.c:230

----------
assignee: christian.heimes
components: Interpreter Core
messages: 371349
nosy: christian.heimes, steve.dower
priority: normal
severity: normal
status: open
title: _Py_fopen_obj leaks reference on audit error
type: resource usage
versions: Python 3.10, Python 3.8, Python 3.9

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue40957>
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