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bpo-42146: Fix memory leak in subprocess.Popen() in case of uid/gid overflow #22966

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Merged
merged 3 commits into from
Oct 26, 2020

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izbyshev
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@izbyshev izbyshev commented Oct 25, 2020

Also add a test that would catch this leak with --huntrleaks.

https://bugs.python.org/issue42146

…verflow

Also add a test that would catch this leak with `--huntrleaks`.
Alas, the test for `extra_groups` also exposes an inconsistency
in our error reporting: we use a custom ValueError for `extra_groups`,
but propagate OverflowError for `user` and `group`.
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gpshead commented Oct 25, 2020

thanks! good to go in after adding a simple news entry.

@gpshead gpshead self-assigned this Oct 25, 2020
@gpshead gpshead added the needs backport to 3.9 only security fixes label Oct 26, 2020
@gpshead gpshead merged commit c0590c0 into python:master Oct 26, 2020
@miss-islington
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Thanks @izbyshev for the PR, and @gpshead for merging it 🌮🎉.. I'm working now to backport this PR to: 3.9.
🐍🍒⛏🤖

miss-islington pushed a commit to miss-islington/cpython that referenced this pull request Oct 26, 2020
…verflow (pythonGH-22966)

Fix memory leak in subprocess.Popen() in case of uid/gid overflow

Also add a test that would catch this leak with `--huntrleaks`.

Alas, the test for `extra_groups` also exposes an inconsistency
in our error reporting: we use a custom ValueError for `extra_groups`,
but propagate OverflowError for `user` and `group`.
(cherry picked from commit c0590c0)

Co-authored-by: Alexey Izbyshev <[email protected]>
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GH-22980 is a backport of this pull request to the 3.9 branch.

@bedevere-bot bedevere-bot removed the needs backport to 3.9 only security fixes label Oct 26, 2020
miss-islington added a commit that referenced this pull request Oct 26, 2020
…/gid overflow (GH-22966) (GH-22980)

Fix memory leak in subprocess.Popen() in case of uid/gid overflow

Also add a test that would catch this leak with `--huntrleaks`.

Alas, the test for `extra_groups` also exposes an inconsistency
in our error reporting: we use a custom ValueError for `extra_groups`,
but propagate OverflowError for `user` and `group`.
(cherry picked from commit c0590c0)


Co-authored-by: Alexey Izbyshev <[email protected]>

Automerge-Triggered-By: GH:gpshead
@izbyshev izbyshev deleted the bpo-42146-cwd-obj-memleak branch October 26, 2020 07:07
adorilson pushed a commit to adorilson/cpython that referenced this pull request Mar 13, 2021
…verflow (pythonGH-22966)

Fix memory leak in subprocess.Popen() in case of uid/gid overflow

Also add a test that would catch this leak with `--huntrleaks`.

Alas, the test for `extra_groups` also exposes an inconsistency
in our error reporting: we use a custom ValueError for `extra_groups`,
but propagate OverflowError for `user` and `group`.
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5 participants