bpo-25862: Fix several bugs in the _io module. #8026
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They can be exposed when some C API calls fail due to lack of memory. * Failed Py_BuildValue() could cause an assertion error in the following TextIOWrapper.tell(). * input_chunk could be decrefed twice in TextIOWrapper.seek() after failed Py_BuildValue(). * initvalue could leak in StringIO.__getstate__() after failed PyDict_Copy().
serhiy-storchaka
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ZackerySpytz
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Jun 30, 2018
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Thanks @serhiy-storchaka for the PR 🌮🎉.. I'm working now to backport this PR to: 2.7, 3.6, 3.7. |
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GH-8028 is a backport of this pull request to the 3.7 branch. |
miss-islington
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Jun 30, 2018
They can be exposed when some C API calls fail due to lack of memory. * Failed Py_BuildValue() could cause an assertion error in the following TextIOWrapper.tell(). * input_chunk could be decrefed twice in TextIOWrapper.seek() after failed Py_BuildValue(). * initvalue could leak in StringIO.__getstate__() after failed PyDict_Copy(). (cherry picked from commit fdb5a50) Co-authored-by: Serhiy Storchaka <[email protected]>
Contributor
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Sorry, @serhiy-storchaka, I could not cleanly backport this to |
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GH-8029 is a backport of this pull request to the 3.6 branch. |
miss-islington
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Jun 30, 2018
They can be exposed when some C API calls fail due to lack of memory. * Failed Py_BuildValue() could cause an assertion error in the following TextIOWrapper.tell(). * input_chunk could be decrefed twice in TextIOWrapper.seek() after failed Py_BuildValue(). * initvalue could leak in StringIO.__getstate__() after failed PyDict_Copy(). (cherry picked from commit fdb5a50) Co-authored-by: Serhiy Storchaka <[email protected]>
serhiy-storchaka
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Jun 30, 2018
They can be exposed when some C API calls fail due to lack of memory. * Failed Py_BuildValue() could cause an assertion error in the following TextIOWrapper.tell(). * input_chunk could be decrefed twice in TextIOWrapper.seek() after failed Py_BuildValue(). * initvalue could leak in StringIO.__getstate__() after failed PyDict_Copy().. (cherry picked from commit fdb5a50) Co-authored-by: Serhiy Storchaka <[email protected]>
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GH-8033 is a backport of this pull request to the 2.7 branch. |
miss-islington
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Jun 30, 2018
They can be exposed when some C API calls fail due to lack of memory. * Failed Py_BuildValue() could cause an assertion error in the following TextIOWrapper.tell(). * input_chunk could be decrefed twice in TextIOWrapper.seek() after failed Py_BuildValue(). * initvalue could leak in StringIO.__getstate__() after failed PyDict_Copy(). (cherry picked from commit fdb5a50) Co-authored-by: Serhiy Storchaka <[email protected]>
miss-islington
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Jun 30, 2018
They can be exposed when some C API calls fail due to lack of memory. * Failed Py_BuildValue() could cause an assertion error in the following TextIOWrapper.tell(). * input_chunk could be decrefed twice in TextIOWrapper.seek() after failed Py_BuildValue(). * initvalue could leak in StringIO.__getstate__() after failed PyDict_Copy(). (cherry picked from commit fdb5a50) Co-authored-by: Serhiy Storchaka <[email protected]>
serhiy-storchaka
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Dec 4, 2018
They can be exposed when some C API calls fail due to lack of memory. * Failed Py_BuildValue() could cause an assertion error in the following TextIOWrapper.tell(). * initvalue could leak in StringIO.__getstate__() after failed PyDict_Copy(). (cherry picked from commit fdb5a50)
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They can be exposed when some C API calls fail due to lack of
memory.
following TextIOWrapper.tell().
after failed Py_BuildValue().
PyDict_Copy().
https://bugs.python.org/issue25862