Roundup Robot added the comment:
New changeset 442ebebad516 by Serhiy Storchaka in branch '3.4':
Issue #23785: Fixed memory leak in TextIOWrapper.tell() in rare circumstances.
https://hg.python.org/cpython/rev/442ebebad516
New changeset 2fcd99929dba by Serhiy Storchaka in branch 'default':
Changes by Serhiy Storchaka storch...@gmail.com:
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assignee: - serhiy.storchaka
resolution: - fixed
stage: patch review - resolved
status: open - closed
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New submission from Serhiy Storchaka:
If an exception was raised in TextIOWrapper.tell() and then restoring state is
failed, original exception is lost and leaked.
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components: Extension Modules
messages: 239327
nosy: benjamin.peterson, haypo, pitrou, serhiy.storchaka, stutzbach
Changes by Serhiy Storchaka storch...@gmail.com:
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keywords: +patch
Added file: http://bugs.python.org/file38699/issue23785.patch
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Serhiy Storchaka added the comment:
Proposed patch chain original exception to the exception raised by
setstate(saved_state). This matches the behavior of Python implementation.
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stage: - patch review
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Benjamin Peterson added the comment:
lgtm with a test
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Serhiy Storchaka added the comment:
It would be not easy to reproduce without special broken decoder.
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Benjamin Peterson added the comment:
How did you notice it, btw?
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Serhiy Storchaka added the comment:
Just reading the code that uses PyErr_Restore(). I found 3 issues and may be
the fourth in sqlite (it is more complicate than other 3).
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