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GeezerVison is showing github.com — gh-146011: Fix use-after-free in `signaldict_repr` after deletion by brijkapadia · Pull Request #153784 · python/cpython

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brijkapadia commented Jul 15, 2026 •

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Issue: heap-use-after-free in signaldict_repr: signaldict outlives its parent Context after explicit del #146011

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          pythongh-146011: Fix use-after-free in signaldict_repr after deletion

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bedevere-app Bot added the awaiting review label

Jul 15, 2026

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Jul 15, 2026

heap-use-after-free in signaldict_repr: signaldict outlives its parent Context after explicit del #146011

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blurb-it Bot and others added 2 commits

July 15, 2026 21:56


          📜🤖 Added by blurb_it.

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          fix segv

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brijkapadia commented Jul 18, 2026

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@skirpichev could you take a look whenever you have time?

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skirpichev self-requested a review

July 19, 2026 08:40

skirpichev reviewed

Jul 19, 2026

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Modules/_decimal/_decimal.c Resolved

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skirpichev approved these changes

Jul 24, 2026

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bedevere-app Bot added awaiting core review and removed awaiting review labels

Jul 24, 2026

skirpichev commented Jul 24, 2026

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CC @vstinner

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vstinner reviewed

Jul 24, 2026

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Modules/_decimal/_decimal.c Resolved

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Lib/test/test_decimal.py Resolved

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brijkapadia and others added 2 commits

July 24, 2026 07:11


          Check error message

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Co-authored-by: Victor Stinner <[email protected]>


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Jul 24, 2026

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Modules/_decimal/_decimal.c Resolved

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          Improve comment

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Co-authored-by: Victor Stinner <[email protected]>

vstinner enabled auto-merge (squash)

July 24, 2026 12:12

vstinner added needs backport to 3.13

only security fixes

needs backport to 3.14

bugs and security fixes

needs backport to 3.15 bugs and security fixes labels

Jul 24, 2026

vstinner merged commit 41a087a into python:main

Jul 24, 2026

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miss-islington-app Bot commented Jul 24, 2026

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Thanks @brijkapadia for the PR, and @vstinner for merging it 🌮🎉.. I'm working now to backport this PR to: 3.13, 3.14, 3.15.
🐍🍒⛏🤖

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bedevere-app Bot removed the awaiting core review label

Jul 24, 2026

bedevere-app Bot commented Jul 24, 2026

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GH-154599 is a backport of this pull request to the 3.15 branch.

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bedevere-app Bot removed the needs backport to 3.15 bugs and security fixes label

Jul 24, 2026

miss-islington-app Bot commented Jul 24, 2026

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Sorry, @brijkapadia and @vstinner, I could not cleanly backport this to 3.13 due to a conflict.
Please backport using cherry_picker on command line.

cherry_picker 41a087acc2d04c5bc3db93b5367456f05ae400a4 3.13

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miss-islington-app Bot assigned vstinner

Jul 24, 2026

bedevere-app Bot commented Jul 24, 2026

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GH-154600 is a backport of this pull request to the 3.14 branch.

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bedevere-app Bot removed the needs backport to 3.14 bugs and security fixes label

Jul 24, 2026

brijkapadia deleted the signaldict-repr branch

July 24, 2026 12:44

bedevere-app Bot commented Jul 24, 2026

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GH-154607 is a backport of this pull request to the 3.13 branch.

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bedevere-app Bot removed the needs backport to 3.13 only security fixes label

Jul 24, 2026

vstinner added a commit that referenced this pull request

Jul 24, 2026


          [3.15] gh-146011: Fix use-after-free in signaldict_repr after delet…

f921edf

…ion (GH-153784) (#154599)

gh-146011: Fix use-after-free in `signaldict_repr` after deletion (GH-153784)
(cherry picked from commit 41a087a)

Co-authored-by: Brij Kapadia <[email protected]>
Co-authored-by: blurb-it[bot] <43283697+blurb-it[bot]@users.noreply.github.com>
Co-authored-by: Victor Stinner <[email protected]>

bedevere-app Bot commented Jul 24, 2026

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GH-154615 is a backport of this pull request to the 3.13 branch.

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vstinner commented Jul 24, 2026

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Merged, thanks for the fix!

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vstinner added a commit that referenced this pull request

Jul 24, 2026


          [3.14] gh-146011: Fix use-after-free in signaldict_repr after delet…

0e8b607

…ion (GH-153784) (#154600)

gh-146011: Fix use-after-free in `signaldict_repr` after deletion (GH-153784)
(cherry picked from commit 41a087a)

Co-authored-by: Brij Kapadia <[email protected]>
Co-authored-by: blurb-it[bot] <43283697+blurb-it[bot]@users.noreply.github.com>
Co-authored-by: Victor Stinner <[email protected]>

vstinner added a commit that referenced this pull request

Jul 24, 2026


          [3.13] gh-146011: Fix use-after-free in signaldict_repr after delet…

fa16a75

…ion (GH-153784) (#154607)

* [3.13] gh-146011: Fix use-after-free in `signaldict_repr` after deletion (GH-153784)
(cherry picked from commit 41a087a)

Co-authored-by: Brij Kapadia <[email protected]>
Co-authored-by: blurb-it[bot] <43283697+blurb-it[bot]@users.noreply.github.com>
Co-authored-by: Victor Stinner <[email protected]>

mbeijen pushed a commit to mbeijen/cpython that referenced this pull request

Aug 14, 2026


          pythongh-146011: Fix use-after-free in signaldict_repr after deleti…

f40e13e

…on (python#153784)

Co-authored-by: blurb-it[bot] <43283697+blurb-it[bot]@users.noreply.github.com>
Co-authored-by: Victor Stinner <[email protected]>

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brijkapadia commented Jul 15, 2026 • edited by bedevere-app Bot Loading Uh oh! There was an error while loading. Please reload this page.

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brijkapadia commented Jul 15, 2026 •

edited by bedevere-app Bot

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